ПОЛИТИОЭФИРЫ С КОНЦЕВЫМИ ГИДРОКСИ/АМИНОГРУППАМИ

Изобретение относится к политиоэфирам с концевыми гидрокси/аминогруппами и к отверждаемым композициям таких политиоэфиров. Описан политиоэфир с концевыми гидрокси/аминогруппами структуры, показанной ниже. Технический результат - производство политиоэфиров с концевыми гидрокси/аминогруппами с регулируемым и при этом узким диапазоном эпоксидной эквивалентной массы. 3 з.п. ф-лы, 1 табл.

ПРЕПОЛИМЕРЫ, СОДЕРЖАЩИЕ ЛИГАНД, СПОСОБНЫЙ СВЯЗЫВАТЬСЯ С МЕТАЛЛОМ, МЕТОДЫ ИХ СИНТЕЗА И СОДЕРЖАЩИЕ ИХ КОМПОЗИЦИИ

Изобретение относится к преполимерам, к композициям, содержащим преполимеры, к способам получения преполимеров и к применению преполимеров в герметиках в аэрокосмической отрасли. Преполимер в основной цепи содержит лиганд, способный связываться с металлом. Изобретение позволяет получить отвержденные герметики, обладающие повышенной прочностью на разрыв и улучшенной адгезией к металлическим поверхностям. 17 н. и 28 з.п. ф-лы, 1 ил., 1 табл., 9 пр.

ПРОСТЫЕ СУЛЬФОНСОДЕРЖАЩИЕ ПОЛИТИОЭФИРЫ, ИХ КОМПОЗИЦИИ И СПОСОБЫ СИНТЕЗА

Описан простой сульфонсодержащий политиоэфир, содержащий фрагмент формулы (1):, где: каждое А независимо представляет собой фрагмент формулы (2):, где: каждый Rнезависимо содержит Салкандиил, Сциклоалкандиил, Салканциклоалкандиил, Сгетероциклоалкандиил, или -[(-CHR-)-X-]-(-CHR-)-, где: s является целым числом от 2 до 6; q является целым числом от 1 до 5; r является целым числом от 2 до 10; каждый Rнезависимо содержит водород или метил; и каждый X независимо содержит -О-, -S- и -NR-, где Rсодержит водород или метил; и каждый Rнезависимо содержит Салкандиил, Сциклоалкандиил, Салканциклоалкандиил или -[(-CHR-)-X-]-(-CHR-)-, где s, q, r, Rи X являются такими, как указано для R; m является целым числом от 0 до 50; n является целым числом от 1 до 60; и р является целым числом от 2 до 6. Также описаны композиции, применяемые в качестве герметика аэрокосмического назначения, содержащие указанный выше простой сульфонсодержащий политиоэфир, и отвердитель, который способен реагировать с концевыми ...

ТОПЛИВОСТОЙКИЕ УРЕТАНСОДЕРЖАЩИЕ ФОРПОЛИМЕРЫ С КОНЦЕВЫМИ ГРУППАМИ, ЯВЛЯЮЩИМИСЯ АКЦЕПТОРОМ МИХАЭЛЯ, И ИХ КОМПОЗИЦИИ

Изобретение относится к уретансодержащему форполимеру с концевыми группами, являющимися акцептором Михаэля, а также к герметизирующей композиции, отвержденному герметику и аэрокосмическому аппарату. Указанный уретансодержащий форполимер с концевыми группами, являющимися акцептором Михаэля, включает продукт реакции (а) уретансодержащего аддукта с концевыми изоцианатными группами и (b) бис(винилсульфонил)алканола. Указанный уретансодержащий аддукт с концевыми изоцианатными группами включает продукт реакции (i) серосодержащего аддукта с концевыми гидроксильными группами и (ii) диизоцианата. Использование указанных уретансодержащих форполимеров обеспечивает улучшение свойств герметизирующих композиций, в частности повышает предел прочности при растяжении. 5 н. и 5 з.п. ф-лы, 1 ил., 5 пр.

СОПОЛИМЕРИЗУЕМЫЕ СЕРОСОДЕРЖАЩИЕ УСИЛИТЕЛИ АДГЕЗИИ И КОМПОЗИЦИИ, ИХ СОДЕРЖАЩИЕ

Настоящее изобретение относится к полимерам, в которых усилители адгезии сополимеризованы с цепью серосодержащего полимера. Описано серосодержащее соединение, имеющее структуру формулы (1):, где каждый Rнезависимо выбран из Салкандиила, Сциклоалкандиила, Салканциклоалкандиила, Сгетероциклоалкандиила и -[-(CHR)-X-]-(CHR)-; где каждый Rнезависимо выбран из водорода и метила; каждый X независимо выбран из -О-, -S- и -NR-, где R выбран из водорода и метила; s является целым числом от 2 до 6; q является целым числом от 1 до 5; и r является целым числом от 2 до 10; каждый А' независимо является группой, образованной в результате взаимодействия соединения А с тиольной группой, причем соединение А является соединением, имеющим концевую группу, которая может реагировать с тиольной группой, и концевую группу, которая усиливает адгезию; где группа, усиливающая адгезию, выбрана из силана, имеющего структуру -Si(R)(OR), фосфоната, амина, карбоновой кислоты и фосфоновой кислоты; где y1 выбран из 0, 1 ...

СОПОЛИМЕРИЗУЕМЫЕ СЕРОСОДЕРЖАЩИЕ УСИЛИТЕЛИ АДГЕЗИИ И КОМПОЗИЦИИ, ИХ СОДЕРЖАЩИЕ

... 1. Серосодержащее соединение, имеющее структуру формулы (1):,где каждый Rнезависимо выбран из Салкандиила, Сциклоалкандиила, Салканциклоалкандиила, Сгетероциклоалкандиила и -[-(CHR)-X-](CHR);где каждый Rнезависимо выбран из водорода и метила;каждый X независимо выбран из -О-, -S- и -NR-, где R выбран из водорода и метила;s является целым числом от 2 до 6;q является целым числом от 1 до 5; иr является целым числом от 2 до 10;каждый А′ независимо является группой, образованной в результате взаимодействия соединения А с тиольной группой, причем соединение А является соединением, имеющим концевую группу, которая может реагировать с тиольной группой, и концевую группу, которая усиливает адгезию;В представляет собой центр z-валентного полифункционального соединения B(-V)с алкенильными концевыми группами,где z является суммой z1 и z2 и z является целым числом от 3 до 6;z1 является целым числом от 1 до 4;z2 является целым числом от 2 до 5; икаждый -V представляет собой фрагмент, включающий концевую ...

ПРЕПОЛИМЕРЫ, СОДЕРЖАЩИЕ ЛИГАНД, СПОСОБНЫЙ СВЯЗЫВАТЬСЯ С МЕТАЛЛОМ, МЕТОДЫ ИХ СИНТЕЗА И СОДЕРЖАЩИЕ ИХ КОМПОЗИЦИИ

Изобретение относится к преполимерам, к композициям, содержащим преполимеры, к способам получения преполимеров и к применению преполимеров в герметиках в аэрокосмической отрасли. Преполимер в основной цепи содержит лиганд, способный связываться с металлом. Изобретение позволяет получить отвержденные герметики, обладающие повышенной прочностью на разрыв и улучшенной адгезией к металлическим поверхностям. 17 н. и 28 з.п. ф-лы, 1 ил., 1 табл., 9 пр.

ТОПЛИВОСТОЙКИЕ УРЕТАНСОДЕРЖАЩИЕ ФОРПОЛИМЕРЫ С КОНЦЕВЫМИ ГРУППАМИ, ЯВЛЯЮЩИМИСЯ АКЦЕПТОРОМ МИХАЭЛЯ, И ИХ КОМПОЗИЦИИ

УЛУЧШАЮЩИЕ АДГЕЗИЮ АДДУКТЫ, СОДЕРЖАЩИЕ ЛИГАНДЫ, СПОСОБНЫЕ КООРДИНИРОВАТЬСЯ С МЕТАЛЛОМ, КОМПОЗИЦИИ С НИМИ И ИХ ПРИМЕНЕНИЕ

ПОЛИТИОЭФИРНЫЕ ГЕРМЕТИКИ С ПОВЫШЕННОЙ ТЕРМОСТОЙКОСТЬЮ

ПОЛИУРЕТАНОВЫЕ КОМПОЗИЦИИ И СПОСОБЫ ИХ ПРИМЕНЕНИЯ

Verfahren zur Herstellung von Polythioaethern

Mercaptan terminated polymers

A polymeric material having the formula HS-Mp(SxMq)kSH where M is a monomer unit obtained from a conjugated diene having from 4 to 8 carbon atoms; p, q and k are integers, the sum of p, q and k being such that the polymer has a molecular weight not greater than 10,000, and x has values of from 0 to 8, at least some of the x's having values of 1 or more is obtained by treating with solvent a copolymer of 1-10% of sulphur and at least one diene, with or without another copolymerizable monomer, to swell the copolymer and then treating the swollen copolymer with a hydrogenolytic agent. The hydrogenolytic agent is an alkali aluminium hydride or a combination of metallic zinc and a non-oxidizing mineral acid. The copolymer may be hydrogenolysed in the latex form, or may be coagulated from an aqueous dispersion or emulsion and hydrogenolysed in the solid state. Examples describe the hydrogenolysis of copolymers of sulphur with isoprene or butadiene with or without styrene. The mercapto terminated ...

Polyurethanes formed from sulphur condensation products and method for their production

Polyurethanes are prepared by reacting (a) a polyisocyanate with (b) a compound consisting of residues of hydroxylated phenols joined by sulphur linkages and containing reactive hydroxyl groups. Preferably, the compounds (b) contain an average of 2.5 to 7 phenylene-oxyalkanol radical joined by sulphur linkages and having a ratio of 0.85 to 1 atom of sulphur/phenyleneoxyalkano radical, a hydroxyl no. of 30 to 500 and a viscosity of 50 to 500 Gardner seconds at 50 DEG C. Conventional polyisocyanates, especially polyaryl polyisocyanates may be used. The polyurethanes may be foamed by including a foaming agent in the reaction mixture which may also contain catalysts such as tertiary amines and antimony and tin compounds, phosphorus compounds for improved fire resistance such as tertiary phosphates, secondary phosphonates, phosphinates, tertiary phosphine oxides, tertiary phosphites, secondary phosphonites, phosphinites and phosphorus acids including those which are partially esterified; surfactants ...

Catalysing the replacement of aromatic nuclear halogen by sulphur,and polymers produced thereby

Polyphenylene sulphides are prepared by reacting at least one compound having an aromatic nucleus substituted by chlorine, bromine or iodine with sulphur in the presence of a carboxylic acid derivative having a chlorine, bromine or iodine atom directly attached to a nitrogen atom which is directly attached to at least one acyl group and an alkali metal or alkaline earth metal oxide, carbonate or sulphide. The aromatic compound is suitably a halobenzene or a halo-phenyl substituted triazine and the reaction mixture preferably contains at least one tri-halogen substituted compound to effect cross-linking in the product. Suitable carboxylic acid derivatives are N-chlorosuccinimide, N - bromosuccinimide, N - iodosuccinimide, N-bromophthalimide, N-bromocaprolactam, N - bromacetamide and isocyanuric bromide.

ROSIN AND ROSIN DERIVATIVES PROCESSING

... 1,129,546. Treating rosin compounds, tall oil &C. ARIZONA CHEMICAL CO. 6 Oct., 1966 [15 Oct., 1965 (4); 22 June, 1966 (2); 31 Aug., 1966; 16 Sept., 1966 (4)], No. 44750/66. Heading C2C. [Also in Divisions C3 and C4] Rosin compounds, tall oil or tall oil fractions predominating in fatty acids are improved by heating with a compound of the formula where n is at least 1, m is 0 or at least 1, x is 1-3, p is 0 or at least 1, aryl contains 6-18 carbon atoms and R is a hydrocarbon group containing 1-22 carbon atoms. The term " rosin compound " includes tall oil rosins and tall oil fractions predominating in rosin acids, wood and gum rosin, hydrogenated rosins, formaldehyde-treated rosins, Diels-Alder reaction products of rosins, rosin esters, amines, amides and alcohols. The treating agents may be employed in disproportionation reactions. The examples describe the treatment of various rosins, crude and acid-treated and steamdistilled tall oils with agents selected from 2,2- thiobis (4-methyl- ...

Polymers useful for sensitizing photographic silver halide emulsions

Polymers containing at least three units of the formula: where R1 and R2 each represent alkylene groups of 2-20 carbon atoms; X represents O or S; R3 represents a hydrogen atom or, when Z has the meaning (b) below, an alkyl group of 1-4 carbon atoms; p is O or an integer of 1-4; Z is: where R4 is an alkylene group of 1-20 carbon atoms; or where R5 and R6 have the meanings given for R1 and R2 above and q is an integer of 1-4. The polymers are linear, have a molecular weight of at least 250, and are substantially free from disulphide linkages or -SH groups. They may be prepared by the process disclosed in U.S.A. Specification 2,347,182, by reacting a dithiol (HS-R1-(-OR2)p-SH) with a compound containing two olefinic linkages (H2C=CR3-Z-CR3= CH2), by heating or U.V. irradiation. The sulphur atoms in the polymers may be converted to tertiary sulphonium groups by reaction with various esters, e.g. methyl benzene sulphonate, methyl p-toluene ...

Process for making an elastic caoutchouc-like body

... 302,399. Baer, J. Sept. 16, 1927. Divided on and addition to 279,406. Caoutchouc, synthetic.-An elastic caoutchouclike body is obtained by causing alkali sulphides or alkaline earth sulphides or ammonium sulphide to effect a polymerizing action on single or mixed saturated halogenized hydrocarbons of the Cn H2n + 2 group in the presence of aqueous alkaline, alcoholic or other solvent. Methylene dichloride, methylene dibromide, methylene iodide, ethylene dichloride, ethylene dibromide, ethylene iodide or a mixture thereof may be so treated. Specification 279,406 is referred to.

Perhalocyclobutane-1,2-diones and their preparation

Tetrahalo-1, 2-cyclobutanediones (see Group IV(b)) are homopolymerized, or copolymerized with compounds of the same type or with other monomers capable of addition polymerization. The halogen atoms in the dione compound may be fluorine, chlorine, or bromine atoms and they may be all alike or different. Polymerization may take place without the presence of any added initiator and at temperatures below room temperature. The diones may be copolymerized with monomers capable of forming co-polymers by free-radical mechanisms, e.g. those containing ethylenic and acetylenic linkages, or with monomers capable of forming co-polymers by anionic means e.g. styrene, vinylidene cyanide, or acrylonitrile, or those monomers wherein the molecules contain at least one oxygen or sulphur atom e.g. cyclic ethers and compounds containing carbonyl or thiocarbonyl groups such as aldehydes and ketones. In the case of polymerization by freeradical means the polymers are probably acyclic and have the structure of ...

Solubilization and targeted delivery of drugs withself-assembling amphiphilic polymers

Solubilization and targeted delivery of drugs withself-assembling amphiphilic polymers

Mass plastic with sulphur.

VERFAHREN ZUR HERSTELLUNG VON NEUEN, ENDSTANDIGE AMINOGRUPPEN AUFWEISENDEN POLYATHERN UND DIE HERSTELLUNG VON KUNSTSTOFFEN HIERAUS

PROCEDURE FOR THE PRODUCTION OF POLYARYLENSULFID

VERFAHREN ZUR HERSTELLUNG VON NEUEN, ENDSTANDIGE AMINOGRUPPEN AUFWEISENDEN POLYATHERN UND IHRE VERWENDUNG ALS REAKTIONSPARTNER BEI DER HERSTELLUNG VON KUNSTSTOFFEN

VERFAHREN ZUR HERSTELLUNG VON NEUEN, ENDSTANDIGE AMINOGRUPPEN AUFWEISENDEN POLYATHERN UND DIE HERSTELLUNG VON KUNSTSTOFFEN HIERAUS

VERFAHREN ZUR HERSTELLUNG VON NEUEN, ENDSTANDIGE AMINOGRUPPEN AUFWEISENDEN POLYATHERN UND IHRE VERWENDUNG ALS REAKTIONSPARTNER BEI DER HERSTELLUNG VON KUNSTSTOFFEN

VERFAHREN ZUR HERSTELLUNG VON NEUEN, ENDSTANDIGE AMINOGRUPPEN AUFWEISENDEN POLYATHERN UND DIE HERSTELLUNG VON KUNSTSTOFFEN HIERAUS

AT LOW TEMPERATURES LIQUID ONES OF POLYMERS OF POLYTHIOETHER

PROCEDURE FOR THE PRODUCTION OF NEW ONE, ENDSTANDIGE AMINO GROUPS EXHIBITING POLYATHERN AND YOUR USE AS REACTION PARTNERS WITH THE PRODUCTION OF PLASTICS

PROCEDURE FOR THE PRODUCTION OF NEW ONE, ENDSTANDIGE AMINO GROUPS EXHIBITING POLYATHERN AND THE PRODUCTION OF PLASTICS FROM THIS

OPTICAL PRODUCT OF ONE ATE DISULPHIDE CONNECTION AND PROCEDURE FOR THE PRODUCTION OF THE DISULPHIDE CONNECTION

DISTANCE OF WATER BY DEGASSING DURING POLYMERIZING POLYPHENYLENSULFIDEN

POLYMERE ONE WITH CALIXARENSUBSTITUENTEN.

PROCEDURE FOR THE PRODUCTION OF NEW ONE, ENDSTANDIGE AMINO GROUPS EXHIBITING POLYATHERN AND THE PRODUCTION OF PLASTICS FROM THIS

PROCEDURE FOR THE PRODUCTION POLYMERS ON THE BASIS OF LIGNIN

OXIDATION OF SCHWEFELHALTIGEN POLYMERS WITH NO 2? /N 2? O 4?

Procedure for the production elastomers

Procedure for the production of aromatic polymers

SULFIDE-CONTAINING POLYTHIOLS

POLYARYLENE THIOETHER

Thioethers, methods for their preparation, and compositions including such thioethers

Disclosed are thioethers, methods for preparing such thioethers, and curable compositions, such as coating and sealant compositions, that include such thioethers. The thioethers can be the reaction product of (a) an alpha, omega dihalo organic compound, (b) a metal hydrosulfide, and (c) a metal hydroxide.

Sulfone-containing polythioethers, compositions thereof, and methods of synthesis

Sulfone-containing polythioethers, compositions containing sulfone-containing polythioethers, methods of synthesizing sulfone-containing polythioethers and the use of sulfone-containing polythioethers in aerospace sealant applications are disclosed. The sulfone-containing polythioethers have sulfone groups incorporated into the backbone of the polythioether. Cured sealant compositions comprising the sulfone-containing polythioethers exhibit enhanced thermal resistance.

HETEROATOM CONTAINING CYCLIC DIMERS

The present invention provides polymers derived from cyclic dimers of alpha acids. Also provided are processes for synthesising the polymer derived from cyclic dimers of alpha acids using a catalyst and a ring opening initiator, and uses of said polymer.

Bis(sulfonyl)alkanol-containing polythioethers, methods of synthesis, and compositions thereof

Bis(sulfonyl)alkanol-containing polythioethers, compositions containing bis(sulfonyl)alkanol-containing polythioethers, methods of synthesizing bis(sulfonyl)alkanol-containing polythioethers and the use of bis(sulfonyl)alkanol-containing polythioethers in aerospace sealant applications are disclosed. The bis(sulfonyl)alkanol-containing polythioethers have bis(sulfonyl)alkanol groups incorporated into the backbone of the polythioether. Cured sealant compositions comprising the bis(sulfonyl)alkanol-containing polythioethers exhibit enhanced properties suitable for aerospace sealant applications.

FUNCTIONALIZED POLYMER COMPOSITIONS

A composition comprising a polymer chosen from a homopolymer, a copolymer, or combination thereof, and at least one additional polymer; the homopolymer having an average molecular weight above about 800 Da and comprising repeat units of Formula (I): R2 CR4R5)nZR6R7 wherein, R2, R4, and R5 are independently hydrogen, hydrocarbyl, or substituted hydrocarbyl; R6 is hydrogen, hydrocarbyl, or substituted hydrocarbyl; R7 is not present; Z is sulfur, sulfone, sulfoxide, or selenium; and n is an integer > 1; the copolymer having an average molecular weight above about 800 Da and comprising first repeat units and second repeat units, the first repeat unit having Formula (I) wherein the variables are set out as above.

Polymerisable monomers and polymers

CO-CURED COMPOSITIONS OF AMINE-TERMINATED LIQUID POLYMERS AND VINYLIDENE-TERMINATED POLYMERS AND PROCESS FOR PREPARATION THEREOF

Co-cured compositions are prepared readily by mixing (1) 100 parts by weight of at least one amine-terminated liquid polymer having a carbon-carbon backbone and (2) from about 80 to about 120 parts by weight of at least one vinylideneterminated polymer having a carbon-carbon, polyether or polysulfide polymeric backbone. The compositions undergo a soft cure readily at room temperature without addition of catalysts or crosslinking agents. The compositions are useful as caulks, sealants and potting compounds.

AROMATIC SULFIDE AMIDE POLYMERS AND A PROCESS FOR THE PRODUCTION THEREOF

Aromatic sulfide amide polymers composed of a repeating unit having the formula (I) and a repeating unit having the formula (II) below, having an inherent viscosity ranging from 0.02 to 10 dl/g, (I) ?Ar4(R4)d-S? (II) wherein, Ar1, Ar2, Ar3 and Ar4 are same or different aromatic rings and R1, R2, R3 and R4 are groups selected from the group consisting of alkyl groups having 1 - 20 carbon atoms, cycloalkyl groups having 3 - 20 carbon atoms, aryl groups having 6 - 20 carbon atoms, alkoxyl groups having 1 - 20 carbon atoms, acyl groups having 2 - 20 carbon atoms, and aralkyl groups having 7 - 20 carbon atoms, and the four R's may be the same or different from each other, and a, b, c and d stand for integers from 0 - 4 and may be the same or different from each other, and the process comprises sulfide forming reaction of an amide group containing dihalogenide expressed by the general formula (III) with an aromatic dihalogenide expressed by the general formula (IV) under the action of a ...

POLYARYLENE THIOETHER OF HIGH CRYSTALLIZING RATE AND A PROCESS FOR PRODUCING THE SAME

The present invention discloses a polyarylene thioether of high crystallizing rate having a necessary time for 50% crystallization of not more than 50 seconds upon crystallization of a molten polymer at 250.degree.C, as well as a production process therefor. The polyarylene of the present invention can be used as a heat resistant, a chemical resistant or a flame resistant thermoplastic resin in the industrial fields such as electric, electronics, automobiles, aircrafts, precision instruments and chemicals.

PROCESS FOR PREPARING POLYARYLENE SULFIDES

... : In a process for preparing polyarylene sulfides by reacting a dihalo-aromatio compound with a sulfur source in an organic amide solvent in the presence of an alkali metal salt of aarboxylic acid as a polymerization aid or assistant, a specific class of carboxylic acids are employed for preparing the alkali metal salt polymerization aid. The specific carboxylic acids are of the general formula: R(COOH)n (wherein R is a C1 - C20 organic radical and n is an integer not less than 1) and have a solubility of not less than 3 g/100 ml in ethanol at 20.degree.C. Use of such a carboxylic acid in the process permits the recovery thereof from the polymerization mixture to be effected with significantly improved efficiency.

PHOSPHINE-CATALYZED, MICHAEL ADDITION-CURABLE SULFUR-CONTAINING POLYMER COMPOSITIONS

Compositions comprising Michael acceptor-terminated sulfur-containing prepolymers, thiol-terminated sulfur-containing prepolymers, and e phosphine catalysts useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life, cure rapidly following activation, and provide cured sealants having improved properties useful in aerospace sealant applications.

THIOETHERS, METHODS FOR THEIR PREPARATION, AND COMPOSITIONS INCLUDING SUCH THIOETHERS

Disclosed are thioethers, methods for preparing such thioethers, and curable compositions, such as coating and sealant compositions, that include such thioethers. The thioethers can be the reaction product of (a) an alpha, omega dihalo organic compound, (b) a metal hydrosulfide, and (c) a metal hydroxide.

Removal of Water by Venting During the Polymerization of Phenylene Sulfide Polymers

TREATMENT OF POLYARYLENE SULFIDE/SULFONE POLYMERS

Poly(arylene sulfide/sulfone) polymers are treated in order to increase melt stability and decrease impurities by contacting the poly(arylene sulfide/sulfone) polymer with a soluble zinc compound, followed by contacting the polymer with an acidic solution.

Verfahren zur Darstellung eines Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Darstellung eines als Schutz- und Isolierlack, Imprägnierungsmittel, Klebstoff und dergleichen verwendbaren Harzes.

Verfahren zur Herstellung eines Kondensationsproduktes.

Verfahren zur Herstellung eines wachsartigen Körpers.

Verfahren zur Herstellung eines wachsartigen Körpers.

Verfahren zur Herstellung eines wachsartigen Körpers.

Verfahren zur Herstellung eines elastischen kautschukartigen Körpers.

Verfahren zur Herstellung eines wachsartigen Körpers.

Verfahren zur Herstellung eines basischen Kondensationsproduktes.

Verfahren zur Herstellung geruchloser Polyäther

Aromatic polymers - contg. oxygen and/or sulphur, and polymerisable inters. for such polymers

Aromatic polymers which contain in the molecular chain benzene groups and oxygen and/or sulphur atoms, and polymerisable intermediates which can give such polymers, are prepared by reacting a dihalobenzene compound, in which each halogen atom is activated by an inert electron-attracting group, with an approximately equivalent amount of alkali metal hydroxide, hydosulphide or sulphide in a stable polar liquid which is an ionising solvent for alkali metal phenoxides or thiophenoxides. The polymerisable intermediates are alkali metal salts of 4-(4-halophenylsulphonyl)phenol or of 4-(4-halobenzoyl)phenol and are new compounds.

Aromatic polymers - contg. oxygen and/or sulphur, and polymerisable inters. for such polymers

Aromatic polymers which contain in the molecular chain benzene groups and oxygen and/or sulphur atoms, and polymerisable intermediates which can give such polymers, are prepared by reacting a dihalobenzene compound, in which each halogen atom is activated by an inert electron-attracting group, with an approximately equivalent amount of alkali metal hydroxide, hydosulphide or sulphide in a stable polar liquid which is an ionising solvent for alkali metal phenoxides or thiophenoxides. The polymerisable intermediates are alkali metal salts of 4-(4-halophenylsulphonyl)phenol or of 4-(4-halobenzoyl)phenol and are new compounds.

Verfahren zur Herstellung von Polydimercapto-s-triazinen und deren Verwendung als Klebstoffe

Non-ionic polyhydroxylated cpds for shampoos etc

Polyhdroxylated non-ionic cpds. of use in cosmetic prepns. such as shampoos for hair, hair dyes, dispersions and emulsions, have the formula:- (where R is a 1-21C aliphatic, cycloaliphatic or aryl aliphatic hydrocarbyl or their mixtures the aliphatic chains being opt. unsatd. opt. branched and opt. carrying O and/or S atoms and esp. 1-6 and pref. 2-4 ether thioether and/or hydroxymethylene gps. n is any whole or decimal no. >1 and =10.

Verfahren zur Herstellung von Kunststoffen aus Polythioäthern und Polyisocyanaten

Verfahren zur Herstellung von Bis-(4-hydroxymethyl-5-hydroxy-6-methyl-pyridyl-(3)-methyl)-disulfid

Verfahren zur Herstellung von Polymethylensulfiden

Polydimercapto-s-triazines suitable for adhesives and - paints

Compounds comprise 0-100 weight-% structural units (I) and 0-100% (II) or 0-3% (III), with respect to total weight of polymer, provided (I) and (II), or (I) and (III) add up to 100% of the polymer. SR (III) (where R is and X is 5-7 membered N-heterocycle bonded to the triazine ring via the N, alkoxy, cycloalkoxy, alkenyloxy, (halogen-substituted) phenoxy or aralkyloxy or the group -N(R1)R2 wherein R1 is an aliphatic, cycloaliphatic, araliphatic or aromatic residue and R2 is H or as R1. - Z and Z' are, independently, -O-, -S- or NR or H or alkyl or aryl, A and A' are, independently, alkylene, BHn is the organic residue of a di-or triamine n is 0 or 1.

Procédé de fabrication de polymères hétérocycliques

Aromatic polymers with chains contg benzene groups and

Prepn. of O- and/or S- contg. aromatic polymers having benzene groups in their chain by reacting (I) a bis-(halophenylsulphonyl)-benzene cpd., (II) opt. another dihalobenzenoid cpd., and (III) an alkali metal hydroxide, with separation of the formed alkali metal halide, the reaction being carried out in a stable polar liquid forming an ionising solvent for alkali metal phenoxides. (I) pref. has formula X-C6H4-SO2-Ar-SO2-C6H4-X X = halogen; Ar= a difunctional aromatic group derived from benzene, diphenyl, a terphenyl, or an aromatic hydrocarbon with a condensed ring and not more than 3 aromatic rings. (II) is pref. a bis (4-halophenyl)-sulphone.

Verfahren zur Herstellung von Alkalimetallsalzen von 4-(4-Halogenphenylsulfonyl)-bzw. 4-(4-Halogenbenzoyl)-phenol

Verfahren zur Herstellung von Bis-(4-hydroxymethyl-5-hydroxy-6-methyl-pyridyl-(3)methyl)-disulfid

UNTIL (SILYLAETHYL) - OLIGOSULFIDE AND PROCEDURES FOR THEIR PRODUCTION.

ПОЛИМЕРНЫЕ КОМПОЗИЦИИ И СПОСОБЫ ПРОИЗВОДСТВА И ПРИМЕНЕНИЯ ПОЛИМЕРНЫХ КОМПОЗИЦИЙ

Предложены композиции поли(β-тиоэфироэфира), способы производства композиций поли(β-тиоэфироэфира) и способы применения композиций поли(β-тиоэфироэфира). Поли(β-тиоэфироэфир) может быть получен путем введения в контакт композиции сложного меркаптоэфира и α,β-ненасыщенного сложного эфира с получением смеси и затем путем нагревания смеси с получением поли(β-тиоэфироэфира). В некоторых вариантах изобретения композиции меркаптоэфира представляют собой сложные меркаптоэфиры, гидроксимеркаптоэфиры и сшитые меркаптоэфиры.

Plastic film and method for manufacturing same

DEVICE FOR CONTINUOUSLY PRODUCING POLY(ARYLENE SULFIDE) AND PROCESS FOR CONTINUOUSLY PRODUCING POLY(ARYLENE SULFIDE)

Composed of polysulfonium aliphatic of high molecular weight

Cold curing polymer compsns. for matting and sealing compsns. - comprising amine and vinylidene terminated polymers

Mass plastic with sulphur

POLYMERIC SEALANTS

New polymers with final mercapto groups and their method of preparation

POLYOLEFIN STABILISEE RESIN

벤족사진-티올 부가물

... 경화되어 코팅, 실란트, 접착제 및 다수의 기타 응용에 유용한 조성물을 생성할 수 있는 신규한 벤족사진 - 티올 부가물이 개시된다.

URETHANE-BASED OPTICAL COMPONENT AND MANUFACTURING PROCESS THEREFOR

피버 그레이드 폴리페닐렌 설파이드 수지의 합성 방법

... 피버 그레이드 폴리페닐렌 설파이드 수지의 합성 방법에 있어서, 황화수소나트륨 용액과 p-디클로로벤젠을 원료로, N-메틸-2-피롤리돈(N-methyl-2-pyrrolidone)을 용제로, C5 내지 C6 지방산을 수산화나트륨과 함께 탈수를 진행할 때 형성되는 C5 내지 C6 지방산염을 중축합 반응 보조제로 삼고, 중축합 반응을 거쳐 합성한다. 반응액은 산처리 및 세척을 거쳐 백색 PPS 수지를 획득하고, 제품 용융지수는 125g/10min보다 작으며, GPC 측정 중량 평균 분자량은 4.2 X 104보다 크고, 백색도는 90보다 높으며, 피버 그레이드 PPS 수지 기준을 만족시키며; 본 발명의 방법에서 채용한 C5 내지 C6 지방산염은 NMP에서 용해도가 좋고, 중축합 반응을 더욱더 촉진시킬 수 있으며; 반응 및 여과한 후 모두 여과액으로 진입하고, 염산 산처리를 거쳐 다시 유리지방산이 되며; C5 내지 C6 지방산은 물과 공비를 형성하고 수중 용해도가 적기 때문에, 물과 공비하는 방법을 통하여 C5 내지 C6 지방산을 여과액에서 회수할 수 있으므로, 보조제와 염화나트륨이 모두 물에 용해되어 분리 및 회수할 수 없는 문제를 해결해 준다.

마이클 수용체-말단화된 우레탄-함유 내연료성 예비중합체 및 이의 조성물

... 밀봉제 용품에서 사용하기 위한, 다이이소시아네이트로부터 형성되고 마이클 부가 경화 화학제에 적합화된 우레탄-함유 예비중합체 및 이의 조성물이 개시된다. 예비중합체는 단기 활성화 후에 실온 안정성 및 제어된 경화 속도를 나타내는 조성물을 제공한다.

POSITIONS COMPRISING THIOL-TERMINATED POLYMERS AND SULFUR-CONTAINING ETHYLENICALLY UNSATURATED SILANES AND RELATED CURED SEALANTS

Polyarylene sulfide and preparation method thereof

Poly(Arylene Sulfide) and Production Process Thereof

The invention provides a production process of a poly(arylene sulfide), comprising a polymerization step of subjecting at least one sulfur source selected from the group consisting of alkali metal sulfides and alkali metal hydrosulfides and a dihalo-aromatic compound to a polymerization reaction in an organic amide solvent; a reaction step of adding a hydroxyl group-containing organic compound containing no bonded halogen atom in a proportion of 0.001 to 20 mol per 100 mol of the charged sulfur source into the polymerization reaction system containing the organic amide solvent and a formed polymer after the polymerization step to cause the formed polymer to react with the hydroxyl group-containing organic compound; and a collecting step of collecting a polymer from the polymerization reaction system after the reaction step, and the poly(arylene sulfide).

Polyarylene sulfide and method for producing the same

A method is provided for producing a polyarylene sulfide by reacting a sulfidizing agent with a dihalogenated aromatic compound in an organic polar solvent in the presence of an alkali metal hydroxide, the method includes <Step 1>: carrying out the reaction in such a manner that the polymerization time in a temperature range of 230° C. to less than 245° C. (T1a) is not less than 30 minutes and less than 3.5 hours and that the conversion ratio of the dihalogenated aromatic compound at the end of the step is 70 to 98 mol. % and <Step 2>: carrying out the reaction in such a manner that the polymerization time in a temperature range of 245° C. to less than 280° C. (T2) is not less than 5 minutes and less than 1 hour.

Copolymers of 3,4-dialkoxythiophenes and methods for making and devices

Copolymers of 3,4-dialkoxythiophenes are disclosed that are useful as electronics materials. Also disclosed are methods of making these copolymers, as well as compositions and devices incorporating them. Use of these materials in hole injection or hole transport layers is disclosed. Materials comprising these copolymers can be designed to provide solubility in some solvents and intractability in others, which is useful for the construction of multilayer materials for use in electronic devices.

Benzoxazine-thiol adducts

Novel benzoxazine-thiol adducts are described, which may be may be cured to produce compositions useful in coating, sealants, adhesive and many other applications.

SOLUBLE ALTERNATING DONOR-ACCEPTOR CONJUGATED POLYMER ELECTROCHROMES

Embodiments of the invention are directed to alternating donor-acceptor (DA) polymers that are soluble and display a blue or green neutral state that oxidizes to a transmissive state for use as an electrochromic polymer. The D units have 3,4-dioxythiophene, 3,6-dialkoxythieno[3,2-b]thiophene or 3,5-dialkoxy-dithieno[3,2-b:2′,3′-d]thiophene groups. Embodiments of the invention are directed to a method for preparation of the alternating DA polymeric sequences of the DA polymers by a cross-condensation of a nucleophilic acceptor monomer and an electrophilic donor monomer. 1. An alternating donor-acceptor (DA) polymer comprising:a plurality of donor units comprising 3,4-dialkoxythiophenes, 3,6-dialkoxythieno[3,2-b]thiophenes, 3,5-dialkoxy-dithieno[3,2-b: 2′,3′-d]thiophenes or any combination thereof; and{'sub': n', 'n, 'a plurality of acceptor units comprising electron-poor aromatic units or cyanovinylene units alternating with said donor units in one or more polymeric (DA)sequences of n=4 to 200,000 units, wherein said (DA) polymer displays a blue or green color in a neutral state and is transmissive in an oxidized state and wherein said (DA)polymer is soluble in at least one solvent.'}2. The (DA) polymer of claim 1 , wherein said plurality of donor units further comprises an additional second donor unit comprising a 3 claim 1 ,4-alkylenedioxythiophene substituted on the alkylene bridge.6. The (DA) polymer of claim 1 , wherein said acceptor unit comprises: benzo[c][1 claim 1 ,2 claim 1 ,5]thiadiazole claim 1 , benzo[c][1 claim 1 ,2 claim 1 ,5]oxadiazole claim 1 , quinoxaline claim 1 , benzo[d][1 claim 1 ,2 claim 1 ,3]triazole claim 1 , pyrido[3 claim 1 ,4-b]pyrazine claim 1 , cyanovinylene claim 1 , thiazolo[5 claim 1 ,4-d]thiazole claim 1 , 1 claim 1 ,3 claim 1 ,4-thiadiazo le claim 1 , pyrrolo[3 claim 1 ,4-c]pyrrole-1 claim 1 ,4-dione claim 1 , 2 claim 1 ,2′-bithiazole claim 1 , [1 claim 1 ,2 claim 1 ,5]thiadiazolo[3 claim 1 ,4-c]pyridine claim 1 , thieno[3 claim 1 , ...

Photovoltaic Cell Containing Novel Photoactive Polymer

Novel photoactive polymers, as well as related photovoltaic cells, articles, systems, and methods, are disclosed.

Electrolytic material formulation, electrolytic material polymer formed therefrom and use thereof

An electrolytic material formulation and a polymer polymerized therefrom are provided. The formulation includes: (a) a monomer of formula (I); and (b) a monomer of formula (II), wherein, A, X, B1, B2, R1 to R3, q and w are defined as recited in the specification, and the amount of monomer (b) is about 1 part by weight to about 800 parts by weight per 100 parts by weight of monomer (a). The polymer is useful as an electrolytic material of a solid capacitor.

FUNCTIONALIZED POLYMER COMPOSITIONS

The invention relates to functionalized polymers including homopolymers and copolymers and their uses in industrial applications and in agricultural applications. In particular, the homopolymers and copolymers may be, for example, used in polymer blends, used as nutritives and in feed compositions, and used in combination with a pharmaceutical or nutritive. 2. The homopolymer of claim 1 , wherein Rand Rare hydrogen.3. The homopolymer of claim 1 , wherein Ris chosen from alkyl; Ris not present; and n is an integer from 1 to 5.4. The homopolymer of claim 1 , wherein Z is sulfur.5. The homopolymer of claim 1 , wherein the homopolymer has an average molecular weight from about 800 Da to about 1200 Da.6. The homopolymer of claim 1 , wherein the homopolymer has an average molecular weight from about 1200 Da to about 2000 Da.7. The homopolymer of claim 1 , wherein the homopolymer contains less than 2% of a free monomer.8. The homopolymer of claim 1 , wherein the homopolymer contains less than 1% of a free monomer.9. The homopolymer of claim 1 , wherein the homopolymer contains less than 0.5% of a free monomer.10. The homopolymer of claim 1 , wherein the homopolymer is stable in an aqueous solution under approximately neutral pH.11. The homopolymer of claim 1 , wherein the homopolymer is stable in an aqueous solution under approximately neutral pH and substantially hydrolyzes in aqueous solution under a pH below about 5.12. The homopolymer of claim 1 , wherein the repeat units have R configurations claim 1 , S configurations claim 1 , or a combination of R and S configurations.14. The homopolymer of claim 13 , wherein the homopolymer contains less than 2% of a free monomer.15. The homopolymer of claim 1 , wherein the compound is used as a nutritive agent claim 1 , a feed composition claim 1 , a feed premix claim 1 , an antioxidant claim 1 , an antimicrobial claim 1 , a plasticizer claim 1 , or an anticorrosive claim 1 , a dispersant claim 1 , a processing aid claim 1 , an ...

AROMATIC PERFLUOROALKANE MONOMER

An aromatic perfluoroalkane monomer is provided that can be used for the manufacture of a polymer membrane for a PEM-type fuel cell. The perfluoroalkane monomer has a structure corresponding to a formula (I): 110-. (canceled)12. The monomer according to claim 11 , wherein n is in a range from 2 to 20.13. The monomer according to claim 11 , wherein n is in a range from 2 to 8.14. The monomer according to claim 11 , wherein Zand Z claim 11 , which are identical or different claim 11 , are chosen from a group that includes: halogens claim 11 , hydroxyl claim 11 , alkoxyls claim 11 , thiol claim 11 , carboxyl claim 11 , carboxylates claim 11 , amino claim 11 , sulphonamido claim 11 , acyl chloride claim 11 , sulphonyl chloride claim 11 , sulphonyl fluoride claim 11 , isocyanate claim 11 , and combinations thereof.15. The monomer according to claim 14 , wherein the monomer corresponds to a formula (I-2):{'br': None, 'sub': 3', '1', '2', 'n', '2', '4, 'F—Ar—CO—Ar—(CF)—Ar—CO—Ar—F.\u2003\u2003(I-2)'}16. The monomer according to claim 14 , wherein the monomer corresponds to a formula (I-3):{'br': None, 'sub': 3', '1', '2', 'n', '2', '4, 'HO—Ar—CO—Ar—(CF)—Ar—CO—Ar—OH.\u2003\u2003(I-3)'}17. The monomer according to claim 11 , wherein n is equal to 4.18. The monomer according to claim 12 , wherein n is equal to 4.19. The monomer according to claim 13 , wherein n is equal to 4.20. The monomer according to claim 14 , wherein n is equal to 4.21. The monomer according to claim 15 , wherein n is equal to 4.22. The monomer according to claim 16 , wherein n is equal to 4.23. The monomer according to claim 11 , wherein the monomer is a sulphonic monomer carrying a sulphonic (—SOH) group or a sulphonate (—SOM) group claim 11 , in which M represents an alkali metal cation.24. The monomer according to claim 23 , wherein the sulphonic (—SOH) group or the sulphonate (—SOM) group is carried by a phenyl group or a phenylene group claim 23 , or by a substituent thereof. The present invention ...

COPOLYMERIZABLE SULFUR-CONTAINING ADHESION PROMOTERS AND COMPOSITIONS THEREOF

Disclosed are sulfur-containing polymers containing copolymerizable adhesion promoters and compositions including sealant compositions useful in aerospace applications comprising sulfur-containing polymers containing copolymerizable adhesion promoters. In particular, polythioethers and polysulfides incorporating copolymerizable adhesion promoters are disclosed. 1. A sulfur-containing compound comprising the reaction product of:a thiol-terminated intermediate comprising the reaction product of triallylcyanurate and 1,8-dimercapto-3,6-dioxaoctane; anda compound having a terminal alkenyl group that promotes adhesion.2. The sulfur-containing compound of claim 1 , wherein the sulfur-containing compound comprises an average of about one group that promotes adhesion per molecule or an average of about two groups that promote adhesion per molecule.3. The sulfur-containing compound of claim 1 , wherein the group that promotes adhesion is selected from a silane claim 1 , a phosphonate claim 1 , an amine claim 1 , a carboxylic acid claim 1 , and a phosphonic acid.4. The sulfur-containing compound of claim 1 , wherein the compound having a terminal alkenyl group and a group that promotes adhesion comprises a compound having the structure of Formula (2):{'br': None, 'sub': 2', '2', 'y1', 'y2, 'sup': 4', '5', '6, 'CH═CH—R—Si(R)(OR)\u2003\u2003(2)'} y1 is selected from 0, 1, and 2; y2 is selected from 1, 2, and 3; and the sum of y1 and y2 is 3;', {'sup': '4', 'sub': '1-6', 'Ris selected from a covalent bond and Calkanediyl;'}, {'sup': '5', 'sub': '1-4', 'each Ris independently selected from Calkyl; and'}, {'sup': '6', 'sub': '1-4', 'each Ris independently selected from Calkyl.'}], 'wherein'}5. The sulfur-containing compound of claim 1 , wherein the compound having a terminal alkenyl group and a group that promotes adhesion comprises a compound selected from trimethoxy(vinyl)silane claim 1 , ethoxydimethoxy(vinyl)silane claim 1 , diethoxy(methoxy)(vinyl)silane claim 1 , triethoxy( ...

Solution phase processing of polyarylene sulfide

Provided are methods for obtaining modified polyarylene sulfide compositions having improved thermal and thermo-oxidative stability, the compositions so obtained, and articles comprising the compositions. The method comprises the steps of contacting, in the presence of a suitable solvent, a polyarylene sulfide with at least one reducing agent and at least base to form a first mixture. The reducing agent comprises zinc(0), tin(0), tin(II), bismuth (0), bismuth(III), or a combination thereof. The first mixture is heated to form a second mixture in which the polyarylene sulfide is dissolved. The polyarylene sulfide is then precipitated to obtain a modified polyarylene sulfide.

ACID-RESISTANT BASE AND/OR RADICAL GENERATOR, AND CURABLE RESIN COMPOSITION CONTAINING SAID BASE AND/OR RADICAL GENERATOR

The present invention relates to a compound represented by the general formula (A), a base- and/or radical-generating agent comprising the compound, and so on. 2. The compound according to claim 1 , wherein claim 1 , in the general formula (A) claim 1 , two of the eight groups Rto Rare each a hydrogen atom claim 1 , and four to six of the remaining groups are each an alkyl group having 1 to 12 carbon atoms.3. The compound according to claim 1 , wherein claim 1 , in the general formula (A) claim 1 , Rto Rare each an alkyl group having 1 to 6 carbon atoms.5. The compound according to claim 1 , wherein claim 1 , in the general formula (A) claim 1 , the four pieces of Rare each a hydrogen atom or each a fluorine atom claim 1 , and the four pieces of Rare each a fluorine atom.6. The compound according to claim 1 , wherein claim 1 , in the general formula (A) claim 1 , the four pieces of Rare each a hydrogen atom claim 1 , and the four pieces of Rare each a trifluoromethyl group.8. A base- and/or radical-generating agent comprising the compound according to .9. A base-generating agent comprising the compound according to .10. The base- and/or radical-generating agent according to claim 8 , wherein the base- and/or radical-generating agent generates a base and/or a radical through irradiation with an active energy ray.11. The base-generating agent according to claim 9 , wherein the base-generating agent generates a base through irradiation with an active energy ray.12. A base- and/or radical-curable resin composition comprising the compound according to claim 1 , and a base-curable resin raw material and/or a radical-reactive compound.13. A base-curable resin composition comprising the compound according to claim 1 , and a base-curable resin raw material.14. The composition according to claim 12 , wherein the base-curable resin raw material is a mixture of an epoxy compound and a multivalent carboxylic acid.15. The composition according to claim 12 , wherein the base- ...

POLYARYLENE SULFIDE RESIN AND PREPARATION METHOD THEREOF

The present invention relates to a polyarylene sulfide which has more improved compatibility with other polymer materials or fillers, and a method for preparing the same. The polyarylene sulfide is characterized in that at least part of end groups of the main chain of the polyarylene sulfide is hydroxyl group (—OH), the polyarylene sulfide contains iodine bonded to its main chain and free iodine, and the content of iodine bonded to the main chain and free iodine is 10 to 10,000 ppmw. 1. A polyarylene sulfide in which at least part of end groups of a main chain of the polyarylene sulfide is hydroxyl group (—OH) , wherein the polyarylene sulfide contains iodine bonded to the main chain and free iodine , and a content of iodine bonded to the main chain and free iodine is 10 to 10 ,000 ppmw.2. The polyarylene sulfide according to claim 1 , wherein the content of iodine bonded to the main chain and free iodine is 10 to 3000 ppmw.3. The polyarylene sulfide according to claim 1 , showing a peak in the range of 3300 to 3600 cm claim 1 , in a FT-IR spectrum.4. The polyarylene sulfide according to claim 3 , wherein a relative height intensity of the peak in the range of 3300 to 3600 cmis 0.01 to 3% claim 3 , when a height of a ring stretch peak shown in the range of 1400 to 1600 cmis assumed as an intensity of 100% claim 3 , in the FT-IR spectrum.5. The polyarylene sulfide according to claim 1 , wherein a melting temperature is 265 to 290° C.6. The polyarylene sulfide according to claim 1 , wherein a number average molecular weight is 5 claim 1 ,000 to 50 claim 1 ,000.7. The polyarylene sulfide according to claim 1 , wherein a melt viscosity claim 1 , measured with a rotating disk viscometer at 300° C. claim 1 , is 10 to 50 claim 1 ,000 poise.8. The polyarylene sulfide according to claim 1 , wherein a tensile strength claim 1 , measured according to ASTM D 638 claim 1 , is 100 to 900 kgf/cm.9. The polyarylene sulfide according to claim 1 , wherein an elongation measured ...

Tough, healable composites displaying stress relaxation at the resin-filler interface

The present invention relates in part to compositions displaying stress relaxation at the polymer-filler interface. The adaptive interface (AI) formed by coupling moieties capable of dynamic covalent chemistry (DCC) within the polymer-filler interface promotes stress relaxation and yields tough, and healable composites.

Polyphenylene sulfide resin composition and molded article

A polyphenylene sulfide resin composition includes a blend of the following: 100 parts by weight of a polyphenylene sulfide resin (A); 100 to 250 parts by weight of a modified cross-section glass fiber (B); and 25 to 150 parts by weight of a non-fibrous inorganic filler (C) satisfying the following (C-a) and (C-b): (C-a) having a Mohs hardness of more than 2 and less than 4, and (C-b) having a melting point or softening point of 380° C. or more; wherein the ratio X/Y of the mass X of the modified cross-section glass fiber (B) to the mass Y of the non-fibrous inorganic filler (C) is more than 1 and less than 7.

ELECTROCHEMICAL CELL HAVING SOLID IONICALLY CONDUCTING POLYMER MATERIAL

The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions. 1. An electrochemical cell for producing electrical energy via an electrochemical reaction comprising an anode and a cathode;and wherein at least one of the anode and the cathode comprise a solid ionically conducting polymer material;wherein the solid ionically conducting polymer material can ionically conduct hydroxyl ions,whereby the solid ionically conducting polymer material can conduct hydroxyl ions during said electrochemical reaction.2. The cell of claim 1 , wherein the cathode can produce hydroxyl ions during the electrochemical reaction.3. The cell of claim 1 , wherein the solid ionically conducting polymer material has a crystallinity index of at least or greater that about 30%.4. The cell of claim 1 , wherein the solid ionically conducting polymer material comprises at least one hydroxyl ion and has an OH− diffusivity greater that 10at a temperature in the range of 20° C. to 26° C.5. The cell of claim 1 , wherein the cathode comprises an active material that generates a hydroxyl ion during electrochemical reaction.6. The cell of claim 1 , wherein the anode comprises the solid ionically conducting polymer material and further comprises an anode electrochemically active material claim 1 , wherein the solid ionically conducting polymer material and anode electrochemically active material are mixed claim 1 , whereby the solid ionically conducting polymer material can ionically conduct hydroxyl ions to the anode electrochemically active material.7. The cell of claim 1 , wherein the cathode comprises the solid ionically conducting polymer material and further comprises a cathode electrochemically active material claim 1 , wherein the solid ionically conducting polymer material and cathode electrochemically active material are mixed claim 1 , ...

METHOD FOR PRODUCING POLYARYLENE SULFIDE

In production of a polyarylene sulfide (PAS), combination/coalescence and enlargement of the PAS are prevented. A method for producing a PAS according to the present invention includes: first polymerization in which a mixture containing a sulfur source and a dihalo aromatic compound in an organic amide solvent is heated to initiate a polymerization reaction; second polymerization in which a first temperature (T) is maintained after adding a phase separation agent to continue the reaction; third polymerization in which a second temperature (T) is maintained to continue the reaction; and fourth polymerization in which the reaction is continued at a third temperature (T), wherein a relationship among the temperatures is T>T>T. 1. A method for producing a polyarylene sulfide , the method comprising:first polymerization in which a mixture containing a sulfur source and a dihalo aromatic compound in an organic amide solvent is heated to initiate a polymerization reaction and produce a reaction mixture;phase separation agent addition in which a phase separation agent is added to the reaction mixture after the first polymerization;second polymerization in which a predetermined first temperature (T1) from 240° C. to 290° C. is maintained for 10 minutes or longer after the phase separation agent addition to continue the polymerization reaction;third polymerization in which a predetermined second temperature (T2) from 235° C. to 245° C. is maintained for 0.1 hours or longer and shorter than 2 hours after the second polymerization to continue the polymerization reaction; andfourth polymerization in which the polymerization reaction is continued at a predetermined third temperature (T3) of 240° C. or higher and lower than 250° C. after the third polymerization,wherein a relationship among T1, T2, and T3 is T1>T3>T2.2. The method for producing a polyarylene sulfide according to claim 1 , wherein a relationship between T1 and T3 is T1-T3>5° C.3. The method for producing a ...

Multifunctional sulfur-containing polymers, compositions thereof and methods of use

Disclosed are multifunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, a polyol containing at least three hydroxyl groups per polyol molecule, and an aldehyde, a ketone, or a combination thereof. Sealant compositions comprising the multifunctional sulfur-containing polymers are also disclosed.

Perfluoroalkyl Composition with Reduced Chain Length

Novel fluorosurfactants are provided that contain perfluoroalkyl groups no longer than perfluorohexyl (C). The surfactants are useful in the preparation of aqueous film forming foams (AFFF) and alcohol-resistant film-forming foams (AR-AFFF) for firefighting. Unexpectedly, these compounds have activity in AFFF and AR-AFFF applications that is comparable and even superior to conventional surfactants that contain perfluoroalkyl groups that are perfluorooctyl (C) and longer. Also provided are methods of making the novel surfactants, as well as foam concentrates, methods of making foam and methods of fighting fires using foam containing the novel surfactants. 2. The composition according to wherein Ris CF(CF).3. The composition according to wherein A is —CHCH—S—.4. The composition according to wherein m is 4.5. The composition according to wherein X is —S—.6. The composition according to wherein the weight average molecular weight of said surfactant is 750-7500.8. The composition according to wherein p is 4-20.9. An aqueous firefighting composition concentrate comprising an effective amount of a composition according to claim 1 , wherein said firefighting composition is substantially free of any surfactant containing a perfluoroalkyl group containing more than 6 carbon atoms.10. (canceled)11. The composition according to claim 9 , wherein said composition further comprises an effective amount of one or more components selected from the group consisting of: an amphoteric hydrocarbon surfactant claim 9 , an anionic hydrocarbon surfactant claim 9 , a nonionic hydrocarbon surfactant claim 9 , a Cfluorochemical surfactant claim 9 , a foam aid claim 9 , a freeze protection composition claim 9 , a composition comprising ion sequestering claim 9 , buffer claim 9 , and anti-corrosion components claim 9 , a polymeric film forming composition claim 9 , a biocides and antimicrobial composition claim 9 , an electrolyte composition claim 9 , and a polysaccharide gum thickener.12. The ...

Method for producing granular polyarylene sulfide and granular polyarylene sulfide

To provide a method for producing granular polyarylene sulfide (hereinafter, PAS), the method capable of providing granular PAS having high particle strength and low melt viscosity in high yield without using special additives and the like; and granular PAS. A method according to the present invention is a method for producing granular PAS having a melt viscosity of from 1 to 30 Pa.s, which is measured at a temperature of 310° C. and a shear rate of 1216/s, by polymerizing a sulfur source and a dihalo aromatic compound in an organic amide solvent.

CONTROLLED-RELEASE AMINE-CATALYZED, SULFUR-CONTAINING POLYMER AND EPOXY COMPOSITIONS

Compositions comprising sulfur-containing polymers such as polythioethers and polysulfides, polyepoxides, and controlled-release amine catalysts useful in aerospace sealant applications are disclosed. The compositions exhibit extended pot life and the rate of curing can be tailored for specific applications. 1. A composition comprising:(a) a sulfur-containing polymer selected from a thiol-terminated sulfur-containing polymer, a blocked thiol-terminated sulfur-containing polymer, and a combination thereof;(b) a polyepoxide curing agent; and(c) a controlled-release amine catalyst.2. The composition of claim 1 , wherein the sulfur-containing polymer comprises a polythioether.3. The composition of claim 2 , wherein the sulfur-containing polymer comprises a thiol-terminated polythioether.4. The composition of claim 3 , wherein the thiol-terminated sulfur-containing polymer comprises a thiol-terminated polythioether selected from a difunctional thiol-terminated polythioether claim 3 , a trifunctional thiol-terminated polythioether claim 3 , and a combination thereof.5. The composition of claim 3 , wherein the thiol-terminated polythioether is characterized by an average functionality from 2.05 to 3.6. The composition of claim 3 , wherein the thiol-terminated polythioether is selected from a thiol-terminated polythioether of Formula (2) claim 3 , a thiol-terminated polythioether of Formula (2a) claim 3 , and a combination thereof:{'br': None, 'sup': 1', '2', '1, 'sub': 2', 'p', 'm', '2', '2', 'n, 'HS—R—[—S—(CH)—O—(R—O)—(CH)—S—R—]—SH\u2003\u2003(2)'}{'br': None, 'sup': 1', '2', '1, 'sub': 2', 'p', 'm', '2', '2', 'n', 'z, '{HS—R—[—S—(CH)—O—(R—O)—(CH)—S—R—]—S—V′—}B\u2003\u2003(2a)'} [{'sup': 1', '3', '3, 'sub': 2-10', '6-8', '6-14', '5-8', 's', 'q', 'r, 'claim-text': s is an integer from 2 to 6;', 'q is an integer from 1 to 5;', 'r is an integer from 2 to 10;', {'sup': '3', 'each Ris independently selected from hydrogen and methyl; and'}, 'each X is independently selected ...

POLYARYLENE SULFIDE PRODUCTION METHOD AND POLYARYLENE SULFIDE PRODUCTION APPARATUS

The present invention provides a production method and a production apparatus for a polyarylene sulfide (PAS), thus the formation of a floating polymer and the leakage of the floating polymer to the outside of the vessel in a washing step are prevented, to achieve steady production of the polymer with high quality, to improve the yield of the polymer and to reduce environmental load, wherein the floating polymer refers to a particles of the polymer which are floating on the surface of a washing solution, in the upper part of the inside of a washing vessel, as a result of the adhesion of a gas onto the surface of the particles of the polymer. 1. A production method for a polyarylene sulfide comprising the steps of:(I) performing polymerization to produce a polymer via polymerization reaction on:at least one type of a sulfur source selected from the group consisting of an alkali metal sulfide and an alkali metal hydrosulfide; anda dihalo aromatic compound in an organic amide solvent;(II) separating and collecting a polymer from a reaction solution containing the polymer produced by the polymerization reaction;(III) washing a slurry of the collected polymer by bringing the slurry into contact with at least one type of a washing solution selected from the group consisting of water, an organic solvent, and a mixed solution of water and an organic solvent, in a washing vessel; and(IV) collecting the polymer after washing;an aqueous medium being sprayed onto the polyarylene sulfide floating on a surface of the washing solution in an upper part of the inside of the washing vessel in step (III).2. The production method for a polyarylene sulfide according to claim 1 , wherein step (III) comprises the step of:(IIIa) washing a slurry using a counter current by:transporting a slurry of the collected polymer from top to bottom; andtransporting at least one type of washing solution selected from the group consisting of water, an organic solvent, and a mixed solution of water and ...

POLYTHIOETHER SEALANTS

Certain polythioether polymers are presented, as well as compositions which are radiation curable to polythioether polymers and seals and sealants comprising same. The compositions radiation curable to polythioether polymers include those comprising: a) at least one dithiol monomer; b) at least one diene monomer; c) at least one multifunctional monomer having at least three ethenyl groups; and d) at least one photoinitiator. In another aspect, the compositions radiation curable to polythioether polymers include those comprising: f) at least one dithiol monomer; g) at least one diene monomer; h) at least one multifunctional monomer having at least three thiol groups; and i) at least one photoinitiator. In another aspect, the compositions radiation curable to poly-thioether polymers include those comprising: k) at least one thiol terminated polythioether polymer; l) at least one multifunctional monomer having at least three ethenyl groups; and m) at least one photoinitiator. 1. A composition which is radiation curable to a polythioether polymer , comprising:a) at least one dithiol monomer;b) at least one diene monomer;c) at least one multifunctional monomer having at least three ethenyl groups; andd) at least one photoinitiator.2. The composition according to additionally comprising:e) at least one epoxy resin.3. The composition according to or wherein said at least one multifunctional monomer has three ethenyl groups.4. A composition which is radiation curable to a polythioether polymer claim 1 , comprising:f) at least one dithiol monomer;g) at least one diene monomer;h) at least one multifunctional monomer having at least three thiol groups; andi) at least one photoinitiator.5. The composition according to additionally comprising:j) at least one epoxy resin.6. The composition according to or wherein said at least one multifunctional monomer has three thiol groups.7. A composition which is radiation curable to a polythioether polymer claim 4 , comprising:k) at least ...

COPOLYMERIZED POLYPHENYLENE SULFIDE FIBERS

In order to provide a copolymerized polyphenylene sulfide fiber that is thin, has a low heat shrinkage rate, and is suitable for a use as a paper-making binder having excellent weldability, a copolymerized polyphenylene sulfide fiber is characterized by containing a copolymerized polyphenylene sulfide that has a p-phenylene sulfide unit as a main component and contains 3 mol % or more and 40 mol % or less of a m-phenylene sulfide unit in a repeating unit, and having a degree of crystallization of 10.0% or more and 30.0% or less, an average fiber diameter of 5 μm or more and 25 μm or less, and further a shrinkage rate in 98° C. hot water of 25.0% or less. 1. A copolymerized polyphenylene sulfide fiber comprising a copolymerized polyphenylene sulfide that has a p-phenylene sulfide unit as a main component and contains 3 mol % or more and 40 mol % or less of a m-phenylene sulfide unit in a repeating unit , and having a degree of crystallization of 10.0% or more and 30.0% or less , an average fiber diameter of 5 μm or more and 25 μm or less , and further a shrinkage rate in 98° C. hot water of 25.0% or less.2. The copolymerized polyphenylene sulfide fiber according to claim 1 , having a birefringence of 0.18 or more and 0.40 or less.3. The copolymerized polyphenylene sulfide fiber according to claim 1 , having a melting point of 200° C. or higher and 260° C. or lower.4. The copolymerized polyphenylene sulfide fiber according to claim 1 , having a CV value of a fiber diameter of 10.0% or less.5. The copolymerized polyphenylene sulfide fiber according to claim 1 , having a strength of 2.0 cN/dtex or more and an elongation of 50% or less. The present invention relates to a copolymerized polyphenylene sulfide fiber that is thin, has a low heat shrinkage rate, and is suitable for a use as a binder having excellent weldability.A polyphenylene sulfide that has high heat resistance, chemical resistance, electric insulating properties, and flame retardancy is used for various ...

Polymers for Selective Heavy Metal Removal

Disclosed are cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moiety in the polymer backbone. Methods of making cross-linked polymers comprising a monomer, a cross-linker, and a sulfur moieity in the polymer backbone are disclosed. A metal complex, comprising a cross-linked polymer chelated to a toxic heavy metal atom or ion is disclosed. The disclosure provides a method of toxic heavy metal remediation using the cross-linked polymers. Also provided are articles and coatings comprising the disclosed cross-linked polymers. 1. A cross-linked polymer , comprising:a plurality of first monomers, a plurality of first cross-linkers, and a plurality of sulfur moieties in the polymer backbone, wherein:the first monomer comprises at least one sulfur moiety in the monomeric backbone, and at least one reactive group selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol; andthe first cross-linker comprises at least two reactive groups selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol.2. A cross-linked polymer , comprising:a plurality of first monomers, a plurality of first cross-linkers, and a plurality of sulfur moieties in the polymer backbone, wherein:the first monomer comprises a cycloalkyl group, a heterocycloalkyl group, an aryl group, or a heteroaryl group, and at least two reactive thiol groups; andthe first cross-linker comprises at least two reactive groups selected from the group consisting of an acrylate, an alkene, an alkyne, an azide, a halide, a tosylate, a mesylate, a triflate, an epoxide, and a thiol.35-. (canceled)6. The cross-linked polymer of claim 1 , wherein the first monomer comprises at least two terminal thiol groups.79-. (canceled)10. The cross-linked polymer of claim 1 , wherein the first monomer is selected from the group ...

METHOD FOR PREPARING COMPOUND AND METHOD FOR PREPARING POLYMER EMPLOYING THE SAME

A method for preparing a compound and a method for preparing a polymer employing the same are provided. The method for preparing a compound includes reacting a compound having a structure represented by Formula (I) with a compound having a structure represented by Formula (III) in the presence of a compound having a structure represented by Formula (II) to obtain a compound having a structure represented by Formula (IV) 2. The method as claimed in claim 1 , wherein Aris substituted or unsubstituted phenyl group claim 1 , biphenyl group claim 1 , naphthyl group claim 1 , thienyl group claim 1 , indolyl group claim 1 , phenanthrenyl group claim 1 , indenyl group claim 1 , anthracenyl group claim 1 , or fluorenylene group.3. The method as claimed in claim 1 , wherein Ris independently hydrogen claim 1 , methyl group claim 1 , ethyl group claim 1 , propyl group claim 1 , isopropyl group claim 1 , n-butyl group claim 1 , t-butyl group claim 1 , sec-butyl group claim 1 , isobutyl group claim 1 , pentyl group claim 1 , or hexyl group.5. The method as claimed in claim 1 , wherein the compound having the structure of Formula (II) is sulfuric acid claim 1 , methanesulfonic acid claim 1 , benzenesulfonic acid claim 1 , p-toluenesulfonic acid claim 1 , or a combination thereof.11. The method as claimed in claim 10 , wherein Aris substituted or unsubstituted phenyl group claim 10 , biphenyl group claim 10 , naphthyl group claim 10 , thienyl group claim 10 , indolyl group claim 10 , phenanthrenyl group claim 10 , indenyl group claim 10 , anthracenyl group claim 10 , or fluorenylene group.12. The method as claimed in claim 10 , wherein Ris independently hydrogen claim 10 , methyl group claim 10 , ethyl group claim 10 , propyl group claim 10 , isopropyl group claim 10 , n-butyl group claim 10 , t-butyl group claim 10 , sec-butyl group claim 10 , isobutyl group claim 10 , pentyl group claim 10 , or hexyl group.14. The method as claimed in claim 10 , wherein the compound having the ...

High Molecular Weight Polyphenylene Sulfide Resin, Preparation Method and Use Thereof

The disclosure relates to a high molecular weight polyphenylene sulfide resin and a preparation method and application thereof. The disclosure uses a sulfur-containing compound and a halogenated aromatic compound as raw materials, an alkaline compound and a fatty acid as polycondensation aids to carry out a polycondensation reaction. After purification treatment, a primary polyphenylene sulfide is obtained. Then, the primary polyphenylene sulfide reacts with a chain extender at a high temperature to form a high molecular weight polyphenylene sulfide resin. The preparation method of the disclosure has the advantages of high yield, low cost, and is capable of selectively and controllably preparing polyphenylene sulfide resins with different melt viscosities and molecular weights, and the obtained polyphenylene sulfide resins have excellent heat resistance. The linear high molecular weight polyphenylene sulfide resin with high thermal stability obtained by the disclosure can be used for producing plates, pipes and rods, can be mechanically processed like metals, such as cutting, grinding, polishing, drilling, and can be used to produce fibers, membranes, films, and especially are applicable to automotive parts, electronic/electrical equipment, chemical and machinery industry.

BRANCHED POLYARYLENE SULFIDE RESIN, METHOD FOR MANUFACTURING SAME AND USE AS POLYMER MODIFIER

A branched polyarylene sulfide resin includes an —S— substituent group with a cleaved disulfide compound, which has a halogen content of 4,000 ppm or less, a melt viscosity as measured at a temperature of 330° C. and a shear rate of 2 secof 1.0×10to 50.0 x 10Pa·s, and a melt viscoelasticity tan δ as measured at a temperature of 310° C. and an angular velocity of 1 rad/sec of 0.1 to 0.6. 1. A method for manufacturing a branched polyarylene sulfide resin including an —S— substituent group with a cleaved disulfide compound that polymerizes a sulfur source with a dihalo aromatic compound in an organic amide solvent in the presence of a disulfide compound and a polyhalo aromatic compound having three or more halogen substituent groups in the molecule , the method comprising the steps of:performing a polymerization reaction of a sulfur source with a dihalo aromatic compound in an organic amide solvent using the dihalo aromatic compound in an amount of from 0.95 to 1.02 mol per mol of sulfur source;adding a disulfide compound in an amount of from 0.001 to 0.03 mol per mol of sulfur source during the time interval between a stage when the conversion ratio of the dihalo aromatic compound is 50% and a stage when a polyhalo aromatic compound is added and reacting the mixture;adding a polyhalo aromatic compound, in an amount of from 0.002 to 0.06 mol per mol of sulfur source and an amount of from 0.2 to 12 mol per mol of disulfide compound, to the polymerization reaction mixture at a stage when the conversion ratio of the dihalo aromatic compound reaches 80% or more; andperforming a phase separation polymerization reaction in the presence of a phase separation agent.2. The manufacturing method according to claim 1 , further comprising the steps of:(1) heating a mixture containing an organic amide solvent, a sulfur source including an alkali metal hydrosulfide and an alkali metal hydroxide, and discharging at least part of the distillate containing water from the inside of the ...

POLYSULFIDE COPOLYMER PARTICLE AND METHOD OF PREPARING THE SAME

The present disclosure relates to a polysulfide copolymer particle and a method of preparing the polysulfide copolymer particle. 1. A polysulfide copolymer particle , having a sulfur content of 65 wt % or more.2. The polysulfide copolymer particle of claim 1 ,wherein the polysulfide copolymer particle is formed by copolymerization of a polysulfide with a polyfunctional monomer in the presence of a surfactant.3. The polysulfide copolymer particle of claim 1 ,wherein the polysulfide copolymer particle has a size of from nanometer to micrometer.4. The polysulfide copolymer particle of claim 1 ,wherein the polysulfide copolymer particle has a cross-linked polymer or a branched polymer form.5. The polysulfide copolymer particle of claim 2 ,wherein the surfactant includes a cationic surfactant.6. A method of preparing a polysulfide copolymer particle claim 2 , comprising:{'sub': 2', 'm, 'preparing a sulfur-precursor solution containing a polysulfide salt represented by the formula XSwherein X is an alkali metal cation or ammonium cation and m is a number of from 1 to 10; and'}adding a surfactant and a polyfunctional monomer to the sulfur-precursor solution followed by polymerization reaction to obtain a polysulfide polymer particle.7. The method of preparing a polysulfide copolymer particle of claim 6 ,wherein a molar ratio of the polysulfide salt to the surfactant is from 1:0.1 to 500.8. The method of preparing a polysulfide copolymer particle of claim 6 ,wherein the surfactant acts as both a dispersing agent and a phase transfer catalyst.9. The method of preparing a polysulfide copolymer particle of claim 6 ,wherein the surfactant includes a cationic surfactant.10. The method of preparing a polysulfide copolymer particle of claim 9 ,wherein the cationic surfactant includes cetyltrimethylammonium sulfate bromide (CTAB), myristyltrimethylammonium bromide (MTAB), benzyl dodecyldimethylammonium bromide (BDAB), hexadecyltrimethylammonium bromide, tetraheptylammonium bromide, ...

HIGHLY HYDROPHOBIC ANTIFOULING COATINGS FOR IMPLANTABLE MEDICAL DEVICES

Antibacterial coatings and methods of making the antibacterial coatings are described herein. In particular, a method for forming an organocatalyzed polythioether coating is provided in which a first solution including a bis-silylated dithiol and a fluoroarene is prepared. A second solution including an organocatalyst is prepared. The first solution and the second solution are mixed to form a mixed solution. The mixed solution is applied to a substrate, and the substrate is cured. 4. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure I claim 3 , and wherein the polymer further comprises a number average molecular weight of about 9 claim 3 ,586.5. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure I claim 3 , and wherein the polymer further comprises a weight average molecular weight of about 24 claim 3 ,750.6. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure II claim 3 , and wherein the polymer further comprises a number average molecular weight of about 15 claim 3 ,701.7. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure II claim 3 , and wherein the polymer further comprises a weight average molecular weight of about 40 claim 3 ,353.8. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure II claim 3 , and wherein the polymer further comprises a number average molecular weight of about 9 claim 3 ,585.9. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure II claim 3 , and wherein the polymer further comprises a weight average molecular weight of about 27 claim 3 ,898.10. The compound of claim 3 , wherein the organocatalyzed polythioether polymer comprises the substructure I claim 3 , and wherein the polymer further comprises a number average molecular weight of ...

METHOD FOR PRODUCING GRANULAR POLYARYLENE SULFIDE, METHOD FOR INCREASING AVERAGE PARTICLE SIZE OF GRANULAR POLYARYLENE SULFIDE, METHOD FOR ENHANCING PARTICLE STRENGTH OF GRANULAR POLYARYLENE SULFIDE, AND GRANULAR POLYARYLENE SULFIDE

The present invention provides a method for producing granular polyarylene sulfide (PAS) with increased average particle size and enhanced particle strength, a method for increasing the average particle size of granular PAS, a method for enhancing the particle strength of granular PAS, and granular PAS. The method for producing PAS according to the present invention includes: step 1: a preparation step of preparing a mixture containing an organic amide solvent, a sulfur source, water, a dihalo aromatic compound, and an alkali metal hydroxide; step 2: a pre-stage polymerization step of initiating a polymerization reaction by heating the mixture to produce a prepolymer having a dihalo aromatic compound conversion ratio of not less than 50% in the presence of less than an equimolar amount of an alkali metal hydroxide per 1 mol of the sulfur source; step 3: a post-stage polymerization step of continuing the polymerization reaction in the presence of not less than an equimolar amount of an alkali metal hydroxide per 1 mol of the sulfur source to obtain a reaction product mixture; and step 4: a cooling step of cooling the reaction product mixture after the post-stage polymerization step; wherein step 4 is performed in the presence of at least one type of auxiliary agent such as a carboxylate. 1. A method for producing granular polyarylene sulfide by polymerizing a sulfur source and a dihalo aromatic compound in an organic amide solvent , the method comprising:step 1: a preparation step of preparing a mixture containing an organic amide solvent, a sulfur source, water, a dihalo aromatic compound, and an alkali metal hydroxide;step 2: a pre-stage polymerization step of initiating a polymerization reaction by heating the mixture to produce a prepolymer having a dihalo aromatic compound conversion ratio of not less than 50% in the presence of less than an equimolar amount of an alkali metal hydroxide per 1 mol of the sulfur source;step 3: a post-stage polymerization step of ...

POLYARYLENE SULFIDE RESIN, METHOD FOR PRODUCING SAME, POLY(ARYLENE SULFONIUM SALT), AND METHOD FOR PRODUCING POLY(ARYLENE SULFONIUM SALT)

Disclosed is a production method comprising a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method. 1. A polyarylene sulfide resin comprising:a main chain including a constitutional unit represented by the following formula (1-1) or the following formula (2-1); and [{'br': None, 'sup': 1', '2', '3b', '2b, '\ue8a0S—Ar—Z—Ar—S—Ar—R\ue8a0\u2003\u2003(1-1)'}, {'br': None, 'sup': 1', '2b, '\ue8a0S—Ar—R\ue8a0\u2003\u2003(2-1)'}], 'a terminal group bonding to a terminal of the main chain and including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group{'sup': 2b', '4b', '4b', '4b', '4b', '4b', '4b', '1', '2', '3b', '4b, 'sub': 2', '3', '2', '2', '3', '2, 'wherein Rrepresents a direct bond, —Ar—, —S—Ar—, —O—Ar—, —CO—Ar—, —SO—Ar— or —C(CF)—Ar—; Ar, Ar, Arand Areach independently represent an arylene group optionally having a substituent; and Z represents a direct bond, —S—, —O—, —CO—, —SO— or —C(CF)—,'}{'sub': 2', '3', '2', '2', '3', '2, 'sup': 1', '2', '3b', '2b', '1', '2', '3b', '2b', '4b', '4b, 'provided that, in formula (1-1), Z is a direct bond, —CO—, —SO— or —C(CF)— in the case that Ar, Arand Arare each a 1,4-phenylene group and Ris a direct bond, and Z is —S—, —O—, —CO—, —SO— or —C(CF)— in the case that Ar, Arand Arare each a 1,4-phenylene group, Ris —Ar—, and Aris a 1,4-phenylene group.'}712-. (canceled)1516-. (canceled)17. A molding comprising the polyarylene sulfide resin according to .18. A molding comprising the polyarylene sulfide resin according to .19. A molding comprising the polyarylene sulfide resin ...

POLYARYLENE SULFIDE PRODUCTION METHOD AND APPARATUS FOR CONTINUOUS PRODUCTION OF POLYARYLENE SULFIDE

A method for producing polyarylene sulfide of the present invention includes the steps of: supplying reaction raw materials to at least one of a plurality of reaction vessels mutually communicated through a gas phase; carrying out a polymerization reaction; and removing at least some of the water present in the reaction vessels. Each of the steps is carried out in parallel, and a reaction mixture is transferred sequentially between the reaction vessels. At that time, the amount of heat that is removed in the polymerization reaction is less than the amount of reaction heat of the polymerization reaction. 1. A method for producing polyarylene sulfide , the method comprising:a supplying step of supplying reaction raw materials to at least one of a plurality of reaction vessels mutually communicated through a gas phase;a polymerizing step of carrying out a polymerization reaction using the plurality of reaction vessels; anda dehydrating step of removing at least some of the water present in the plurality of reaction vessels;wherein each of the steps is carried out in parallel, and a reaction mixture is transferred sequentially between the reaction vessels;heat is removed from a reaction system in the polymerization reaction, and the amount of heat removed in the heat removal is less than an amount of reaction heat of the polymerization reaction.2. The polyarylene sulfide production method according to claim 1 , wherein the amount of heat removed is equal to or less than 240 kJ per mole of a sulfur source.3. The polyarylene sulfide production method according to claim 1 , wherein some of the reaction heat due to the polymerization reaction is used as some of the amount of heat in dehydration.4. The polyarylene sulfide production method according to claim 1 , wherein at least some of the plurality of reaction vessels are connected in series.5. The polyarylene sulfide production method according to claim 1 , wherein the plurality of reaction vessels are connected in ...

POLYARYLENE SULFIDE RESIN COMPOSITION AND FORMED ARTICLE

The present invention relates to a polyarylene sulfide resin composition having good processability and showing excellent properties due to its more improved miscibility with other polymer materials or fillers, and a formed article. Such polyarylene sulfide resin composition includes a polyarylene sulfide including a disulfide repeating unit in the repeating units of the main chain; and at least one component selected from the group consisting of a thermoplastic resin, a thermoplastic elastomer, and a filler. 118-. (canceled)19. A polyarylene sulfide resin composition , including a polyarylene sulfide including a disulfide repeating unit in the repeating units of the main chain and having a target viscosity; and at least one component selected from the group consisting of a thermoplastic resin , a thermoplastic elastomer , and a filler ,wherein the polyarylene sulfide includes carboxyl group (—COOH) bonded to at least part of end groups of the main chain,wherein the polyarylene sulfide is prepared by a method comprising the steps of: (a) melt-polymerizing a reactant comprising a diiodoaromatic compound and elemental sulfur while adding a polymerization, and (b) adding a compound having a carboxyl group group; andwherein an FT-IR spectrum of the polyarylene sulfide shows a first peak between 1400 cm and 1600 cm−1 and a second peak between 1600 cm and 1800 cm−1, wherein a height intensity of the second peak is between about 0.1% and about 10% of a height intensity of the first peak.20. The polyarylene sulfide resin composition according to claim 19 , wherein the disulfide repeating unit is included in the amount of 3 weight % or less claim 19 , based on the whole polyarylene sulfide.21. The polyarylene sulfide resin composition according to claim 19 , wherein the thermoplastic resin is one or more selected from the group consisting of polyvinylalcohol-based resins claim 19 , vinylchloride-based resins claim 19 , polyamide-based resins claim 19 , polyolefin-based ...

POLYARYLENE SULFIDE AND A PREPARATION METHOD THEREOF

The present invention relates to a polyarylene sulfide having more improved miscibility with other polymer materials or fillers, and a method of preparing the same. At least part of end groups of the main chain of the polyarylene sulfide is carboxyl group (—COOH) or amine group (—NH). 1. A polyarylene sulfide of which at least part of end groups of the main chain is carboxyl group (—COOH) , and the remainder of the end groups is iodine group or unsubstituted aryl group , melt-polymerizing a reactant including a diiodoaromatic compound and elemental sulfur; and', 'adding a compound having carboxyl group while carrying out the melt-polymerization step,, 'wherein the polyarylene sulfide is prepared by a method including the steps of{'sup': −1', '−1, 'wherein an FT-IR spectrum of the polyarylene sulfide shows a first peak between 1400 and 1600 cmand a second peak between 1600 and 1800 cm, wherein a height intensity of the second peak is between about 0.001% and about 10% of a height intensity of the first peak, and'}wherein the adding step is carried out when a degree of the melt-polymerization step, determined by a ratio of a present viscosity to a target viscosity, is at least 90%.23-. (canceled)4. The polyarylene sulfide according to claim 1 , wherein the melting temperature is 265 to 290° C.5. The polyarylene sulfide according to claim 1 , wherein the number average molecular weight is 5 claim 1 ,000 to 50 claim 1 ,000.6. The polyarylene sulfide according to claim 1 , wherein the melt viscosity measured with a rotational viscometer at 300° C. is 10 to 50 claim 1 ,000 poise.7. The polyarylene sulfide according to claim 1 , wherein the tensile strength measured according to ASTM D 638 is 100 to 900 kgf/cm2.8. The polyarylene sulfide according to claim 1 , wherein the elongation measured according to ASTM D 638 is 1 to 10%.9. The polyarylene sulfide according to claim 1 , wherein the flexural strength measured according to ASTM D 790 is 100 to 2 claim 1 ,000 kgf/cm2.10 ...

RESIN TAPPING MEMBER AND METHOD OF SEPARATING AND RECOVERING POLYMER FROM POLYMER-CONTAINING LIQUID USING SAME

A resin tapping member used for a method of separating and recovering that enables a polymer to be separated and recovered from a polymer-containing liquid during or after a polymerization reaction at a high quality, high efficiency, and high processing capacity. The resin tapping member for preventing clogging of a screen is used in separating and recovering a polymer obtained by a polymerization reaction in a solvent. The resin tapping member has a weight reduction percentage of 3 wt. % or less after continuous separating and recovering of a polymer from a polymer-containing liquid for 48 hours. 1. A resin tapping member for preventing clogging of a screen used in separating and recovering a polymer obtained by a polymerization reaction in a solvent , the resin tapping member having a weight reduction percentage of 3 wt. % or less after continuous separating and recovering of a polymer from a polymer-containing liquid for 48 hours.2. The resin tapping member according to claim 1 , wherein a sample of resin that forms the resin tapping member has a tensile strength retention percentage of 98% or greater after 1000 hours of immersion in a liquid chemical.3. The resin tapping member according to claim 1 , wherein the resin tapping member includes at least one resin selected from the group consisting of polyamide claim 1 , polyimide claim 1 , polyether ether ketone claim 1 , polymethylpentene claim 1 , high density polyethylene claim 1 , ultra high molecular weight polyethylene claim 1 , polypropylene claim 1 , and polyarylene sulfide.4. The resin tapping member according to claim 1 , wherein the resin tapping member includes at least one resin selected from the group consisting of polyether ether ketone claim 1 , polymethylpentene claim 1 , polypropylene claim 1 , and polyarylene sulfide.5. The resin tapping member according to claim 1 , wherein the resin tapping member has a form of a cube claim 1 , a rectangular parallelepiped claim 1 , a plate claim 1 , a cylinder ...

SEQUENCE-DEFINED POLYMERS AND METHODS OF MAKING SAME AND USING SAME

Methods of making sequence-defined polymers and sequence-defined polymers. The methods are based on the orthogonal reactivity of monomers having at least two different functional groups. The sequence-defined polymers can be used in various applications. For example, the SDPs (e.g., pH sensitive SDPs) are used in cell lysis methods or as molecular vehicles to transport drug cargo into cells. 1. A method of making a sequence-defined polymer (SDP) comprising:a) contacting a first monomer having a free allyl group or a free acrylamide group and a first co-monomer having two thiol groups capable of reacting with the allyl group and the acrylamide group of the first monomer under conditions such that the allyl group or acrylamide group reacts with one of the thiol groups on the co-monomer to form a first SDP reaction product;b) contacting the first SDP reaction product with a second monomer having an allyl group and acrylamide group such that i) the acrylamide group of the second monomer reacts with a thiol group of the first SDP reaction product without substantial reaction of the allyl group of the second monomer or ii) the allyl group of the second monomer reacts with the unreacted thiol group of the first SDP reaction product without substantial reaction of the acrylamide group of the second monomer to form a second SDP reaction product;c) optionally, contacting the second SDP reaction product with a second co-monomer having two thiol groups such that i) if the allyl group of the second monomer reacted in b), the acrylamide group of the second SDP product reacts with one of the thiol groups of the second co-monomer or ii) if the acrylamide group of the second monomer reacted in b), the allyl group of the second SDP product reacts with one of the thiol groups of the second co-monomer to form a third SDP reaction product;d) optionally, contacting the third SDP reaction product with a third monomer having an allyl group and acrylamide group such that i) the acrylamide ...

POLYARYLENE SULFIDE AND A PREPARATION METHOD THEREOF

The present invention relates to a polyarylene sulfide having more improved miscibility with other polymer materials or fillers, and a method of preparing the same. At least part of end groups of the main chain of the polyarylene sulfide is carboxyl group (—COON) or amine group (—NH). 119-. (canceled)20. A method of preparing a polyarylene sulfide , including:melt-polymerizing a reactant including a diiodoaromatic compound and elemental sulfur; andadding a compound having carboxyl group while carrying out the melt-polymerization,wherein the compound having carboxyl group is added thereto when the degree of the polymerization reaction is progressed 90% or more, wherein the degree of polymerization reaction is determined by the ratio of present viscosity to target viscosity.21. The method of claim 20 , wherein in the polyarylene sulfide claim 20 , at least part of end groups of the main chain is carboxyl group (—COOH) claim 20 , and the remainder of the end groups is iodine group or unsubstituted aryl group.22. The method of claim 20 , wherein an FT-IR spectrum of the polyarylene sulfide shows a first peak between 1400 and 1600 cmand a second peak between 1600 and 1800 cm claim 20 , wherein a height intensity of the second peak is between about 0.5% and about 10% of a height intensity of the first peak.23. The method of claim 20 , wherein the compound having carboxyl group includes one or more compounds selected from the group consisting of 2-iodobenzoic acid claim 20 , 3-iodobenzoic acid claim 20 , 4-iodobenzoic acid claim 20 , and 2 claim 20 ,2′-dithiobenzoic acid.24. The method of claim 20 , wherein the compound having carboxyl group is added thereto in the amount of 0.0001 to 5 parts by weight claim 20 , based on 100 parts by weight of the diiodoaromatic compound.25. The method of claim 20 , wherein the diiodoaromatic compound is one more compounds selected from the group consisting of diiodobenzene claim 20 , diiodonaphthalene claim 20 , diiodobiphenyl claim 20 , ...

Novel thiol compound composition for optical material

According to the present invention, it is possible to provide a polythiol composition, which comprises a polythiol (A) represented by formula (1) and a thiol compound (B) represented by formula (2). (In formula (1), p and q each independently represent an integer of 1 to 3.) (In formula (2), p and q each independently represent an integer of 1 to 3.)

SULFIDE-BASED POLYMER, FILM COMPRISING SAME AND METHOD FOR PREPARING SAME

The present disclosure provides a sulfide-based polymer, a film comprising the same, and a method for preparing the same. 2. The polymer of claim 1 , wherein claim 1 , in the polymer claim 1 , a content of the first unit is greater than or equal to 1% by weight and less than or equal to 99% by weight claim 1 , and a content of the second unit is greater than or equal to 1% by weight and less than or equal to 99% by weight.3. The polymer of claim 1 , which has a weight average molecular weight of 10 claim 1 ,000 to 200 claim 1 ,000.4. A film comprising the polymer of .5. The film of claim 4 , which is prepared by dissolving the polymer in an organic solvent and casting the result.6. The film of claim 5 , wherein the organic solvent includes one or more types of dimethylacetamide (DMAC) claim 5 , dimethylformamide (DMF) claim 5 , dimethyl sulfoxide (DMSO) claim 5 , tetrahydrofuran (THF) and acetone.7. The film of claim 4 , which has a thickness of 5 μm to 100 μm.8. The film of claim 4 , which has a refractive index of greater than or equal to 1.7 and less than or equal to 5.9. A method for preparing a film comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'preparing a polymer solution by dissolving the polymer of in an organic solvent; and'}preparing a film by casting the polymer solution.10. The method for preparing a film of claim 9 , wherein the organic solvent includes one or more types selected from among dimethylacetamide (DMAC) claim 9 , dimethylformamide (DMF) claim 9 , dimethyl sulfoxide (DMSO) claim 9 , tetrahydrofuran (THF) and acetone.11. The method for preparing a film of claim 9 , wherein the film has a thickness of 5 μm to 100 μm. This application claims priority to and the benefits of Korean Patent Application No. 10-2016-0090102, filed with the Korean Intellectual Property Office on Jul. 15, 2016, the entire contents of which are incorporated herein by reference.The present disclosure relates to a sulfide-based polymer, a film comprising ...

Method for sulfonating polymers

The present invention relates to a method of forming a sulfonated aromatic polymer, to the sulfonated aromatic polymer thus formed and to the method of using the sulfonated aromatic polymer in the manufacture of membranes.

Method for producing glycoside compounds

The invention provides a production method of a glycoside compound or a salt thereof, which includes subjecting a thioether compound and an alcohol compound to a coupling reaction in the presence of a halogenating agent, a desiccant and a Lewis acid, and then distillation in the presence of at least one kind of additive selected from a sulfur-containing antioxidant and a maleimide group-containing compound to give a thioether compound and a step of subjecting a glycoside compound and a thioether compound to a coupling reaction in the presence of a halogenating agent, a desiccant and a Lewis acid to give a glycoside compound. By this method, a phosphoramidite preferable for the production (synthesis) of a nucleic acid can be produced more efficiently at a high purity.

POROUS MATERIALS AND METHOD OF MAKING POROUS MATERIALS

A porous material includes a resin material based on a trifunctional ethynyl monomer. Pores in the porous material can be of various sizes including nanoscale sizes. The porous material may be used in a variety of applications, such as those requiring materials with a high strength-to-weight ratio. The porous material can include a filler material dispersed therein. The filler material can be, for example, a particle, a fiber, a fabric, or the like. In some examples, the filler material can be a carbon fiber or a carbon nanotube. A method of making a porous material includes forming a resin including a trifunctional ethynyl monomer component and a polythioaminal component. The resin can be heated to promote segregation of the components into different phases with predominately one or the other component in each phase. Processing of the resin after phase segregation to decompose the polythioaminal component can form pores in the resin. 1. A method , comprising:forming a mixture comprising: i) trifunctional ethynyl monomer, ii) a polythioaminal, and iii) a solvent;heating the mixture to a first temperature at which the trifunctional ethynyl monomer polymerizes to a first resin and the polythioaminal is substantially stable; andheating the mixture to a second temperature at which the first resin further polymerizes to a second resin that is a crosslinked resin and the polythioaminal decomposes, the second temperature being higher than the first temperature.2. The method of claim 1 , wherein the trifunctional ethynyl monomer is 1 claim 1 ,3 claim 1 ,5 tris-(4-ethynyl phenyl)benzene.3. The method of claim 1 , wherein the mixture includes a filler material.4. The method of claim 3 , wherein the filler material is a carbon fiber.5. The method of claim 3 , wherein the filler material is a carbon nanotube.6. The method of claim 3 , wherein the filler material is a fiber.7. The method of claim 1 , wherein the mixture includes a filler material that is at least one of a ...

METHODS FOR MAKING CURED SEALANTS BY ACTINIC RADIATION AND RELATED COMPOSITIONS

Disclosed are methods for making a cured sealant. The methods include depositing an uncured sealant composition on a substrate and exposing the uncured sealant composition to actinic radiation to provide a cured sealant. The uncured sealant composition includes a thiol-terminated polythioether, a polyene comprising a polyvinyl ether and/or a polyallyl compound, and a hydroxy-functional vinyl ether. Related sealant compositions are also disclosed. 1. An unreacted composition comprising:(a) a thiol-terminated polythioether;(b) a polyene comprising a polyvinyl ether compound;(c) a hydroxy-functional vinyl ether; and(d) a sulfur-containing ethylenically unsaturated silane adduct, wherein the sulfur-containing ethylenically unsaturated silane adduct comprises the reaction product of reactants comprising (i) a mercaptosilane, and (ii) a polyene.2. The composition of claim 1 , wherein the thiol-terminated polythioether comprises a backbone having the structure of Formula (I):{'br': None, 'sup': 1', '2', '1, 'sub': 2', '2', 'm', '2', '2', 'n, '—R—[—S—(CH)—O—[—R—O—]—(CH)—S—R—]—\u2003\u2003(I)'}wherein{'sup': '1', 'sub': 2-10', '2-6', '6-8', '6-10', '2', 'p', 'q', '2', 'r', '2', 'p', 'q', '2', 'r', '2, 'claim-text': [{'sup': 6', '6, '(i) each X is independently selected from O, S, and —NR—, wherein Ris hydrogen or methyl;'}, '(ii) p is an integer having a value ranging from 2 to 6;', '(iii) q is an integer having a value ranging from 0 to 5; and (iv) r is an integer having a value ranging from 2 to 10;, '(a) each Rindependently denotes a Clinear alkylene group, a Cbranched alkylene group, a Ccycloalkylene group, a Calkylcycloalkylene group, —[(—CH—)—X—]—(—CH—)— or —[(—CH—)—X—]—(—CH—)— in which at least one —CH— unit is substituted with a methyl group, wherein{'sup': '2', 'sub': 2-10', '2-6', '6-8', '6-10', '2', 'p', 'q', '2', 'r, 'claim-text': [{'sup': 6', '6, '(i) each X is independently selected from O, S, and —NR—, wherein Ris hydrogen or methyl;'}, '(ii) p is an integer ...

POLYPHENYLENE SULFIDE POROUS BODY AND PRODUCTION METHOD THEREOF, POLYPHENYLENE SULFIDE-THERMOPLASTIC RESIN BLOCK COPOLYMER AND PRODUCTION METHOD THEREOF

A polyphenylene sulfide porous body has, on its surface, porous areas having porous structures, and non-porous areas having substantially no porous structures. Provided is a polyphenylene sulfide porous body that has heat resistance and chemical resistance and overcomes the trade-off between mechanical characteristics and permeation performance. 1. A polyphenylene sulfide porous body comprising , on its surface:porous areas having porous structures; andnon-porous areas having substantially no porous structures.2. The polyphenylene sulfide porous body according to claim 1 , wherein the porous areas on the surface has an average area ratio of 10% to 80/%.3. The polyphenylene sulfide porous body according to claim 1 , wherein the non-porous areas are communicated on the surface.4. The polyphenylene sulfide porous body according to claim 1 , wherein the polyphenylene sulfide porous body has a porosity of 10% to 80%.5. The polyphenylene sulfide porous body according to claim 1 , comprising a polyphenylene sulfide having a number average molecular weight (Mn) of 6 claim 1 ,000 to 100 claim 1 ,000.6. A method for producing a polyphenylene sulfide-thermoplastic resin block copolymer claim 1 , comprisingreacting a polyphenylene sulfide (A) having a reactive functional group at least at an end, a thermoplastic resin (B), and a bifunctional linking agent (C).7. The method for producing a polyphenylene sulfide-thermoplastic resin block copolymer according to claim 6 , wherein the reactive functional group of the polyphenylene sulfide (A) is a group selected from the group consisting of an amino group claim 6 , a carboxyl group claim 6 , a hydroxyl group claim 6 , a mercapto group claim 6 , an isocyanato group claim 6 , a silanol group claim 6 , an acid anhydride group claim 6 , an epoxy group claim 6 , and derivatives thereof.8. The method for producing a polyphenylene sulfide-thermoplastic resin block copolymer according to claim 6 , wherein the bifunctional linking agent (C) ...

CATALYST FOR HYDROGENATION REACTION AND METHOD FOR PRODUCING SAME

A catalyst for a hydrogenation reaction including: a polymer support; and a catalytic component supported on the polymer support. The polymer support comprises a repeating unit represented by Formula 1.

Sulfur-containing oligomer and dendrimer of acrylate and preparation methods thereof

Sulfur-containing oligomer and dendrimer of acrylate and preparation methods thereof are provided. The sulfur-containing oligomer and dendrimer of acrylate are prepared by reacting monomers A and B in Michael addition reaction.

PREPARATION METHOD OF POLYARYLENE SULFIDE

The present disclosure relates to a preparation method of a polyarylene sulfide, and this method may produce a polyarylene sulfide having properties equal to or higher than those of the conventional method at a high yield by adding an acidic compound in addition to existing materials for dehydration. 1. A preparation method of a polyarylene sulfide , comprising:a preparing a sulfur source comprising a sulfide of an alkali metal by dehydrating a hydrosulfide of an alkali metal and a hydroxide of an alkali metal in the presence of an organic acid salt of an alkali metal and an acidic compound in a mixed solvent of water and an amide-based compound; anda adding a dihalogenated aromatic compound and an amide-based compound to a reactor containing the sulfur source, and performing a polymerization reaction to prepare a polyarylene sulfide.2. The preparation method of a polyarylene sulfide of claim 1 , wherein the acidic compound is used in an amount of 0.1 to 10 equivalents based on 1 equivalent of the sulfur source.3. The preparation method of a polyarylene sulfide of claim 1 , wherein the acidic compound has a pH of 4 or less.4. The preparation method of a polyarylene sulfide of claim 1 , wherein the acidic compound is at least one selected from the group consisting of hydrochloric acid claim 1 , sulfuric acid claim 1 , and nitric acid.5. The preparation method of a polyarylene sulfide of claim 1 , wherein the water is used in an amount of 1 to 8 equivalents based on 1 equivalent of the amide-based compound.6. The preparation method of a polyarylene sulfide of claim 1 , wherein the organic acid salt of an alkali metal is used in an amount of 0.01 to 1.0 equivalents based on 1 equivalent of the hydrosulfide of an alkali metal.7. The preparation method of a polyarylene sulfide of claim 1 , wherein the organic acid salt of an alkali metal comprises lithium acetate claim 1 , sodium acetate claim 1 , or a mixture thereof.8. The preparation method of a polyarylene sulfide of ...

HIGH REFRACTIVE INDEX MATERIALS

In some cases, fabricating a high refractive index polymer composite may include combining a thiol monomer and an ene monomer to yield a composite mixture, heating the composite mixture to yield a homogenous composite mixture, and curing the homogeneous composite mixture to yield a polymer composite, wherein the ene monomer comprises zirconium oxo (meth)acrylate clusters. The refractive index of the high refractive index polymer composite may be at least 1.70. In certain cases, fabricating a high reactive index polymer composite includes combining a vinyl (ene) monomer, a thiol monomer, and zirconium oxo (meth)acrylate clusters to yield a composite mixture, heating the composite mixture to yield a homogenous composite mixture, and curing the homogeneous composite mixture to yield a polymer composite. The refractive index of the high refractive index polymer composite may be at least 1.75. 1. A method of fabricating a high refractive index polymer composite , the method comprising:combining a thiol monomer and an ene monomer to yield a composite mixture;heating the composite mixture to yield a homogenous composite mixture; andcuring the homogeneous composite mixture to yield a polymer composite,wherein the ene monomer comprises zirconium oxo (meth)acrylate clusters.2. The method of claim 1 , wherein the zirconium oxo (meth)acrylate clusters comprise Zr(OH)O(OC(CH)═CH) claim 1 , ZrO(OC(CH)═CH) claim 1 , Zr(OH)O(OCH═CH) claim 1 , ZrO(OCH═CH) claim 1 , or a combination thereof.3. The method of claim 1 , wherein the thiol monomer comprises 1 claim 1 ,2-ethanedithiol claim 1 , 1 claim 1 ,5-pentanedithiol claim 1 , 1 claim 1 ,3-benzenedithiol claim 1 , or a combination thereof.4. The method of claim 1 , wherein the refractive index of the polymer composite is at least 1.70.5. The method of claim 1 , wherein ene monomer consists essentially of the zirconium oxo (meth)acrylate clusters.6. The method of claim 1 , wherein a majority of the ene monomers are zirconium oxo (meth) ...

CURABLE COMPOSITIONS AND RELATED METHODS

Provided is a curable composition containing a reactive mixture of components including an polyethersulfone having a chemical group reactive with an epoxide, a cycloaliphatic polyepoxide resin, a polyepoxide having a functionality greater than two, a liquid diepoxide resin, a first curative containing 9,9-bis(aminophenyl)fluorene or a derivative therefrom and having a curing onset temperature of from 150° C. to 200° C. The components can further comprise a second curative having a curing onset temperature of from 60° C. to 180° C. When thermally curing this composition, the second epoxy curative starts to cure before the first epoxy curative, thereby inhibiting vertical flow of the adhesive during the curing process. 1. A curable composition comprising a reactive mixture of components comprising:an polyethersulfone having a chemical group reactive with an epoxide;a cycloaliphatic polyepoxide resin;a polyepoxide having a functionality greater than two;a liquid diepoxide resin;a first curative having a curing onset temperature of from 150° C. to 200° C. and comprising 9,9-bis(aminophenyl)fluorene or derivative therefrom; anda second curative having a curing onset temperature of from 60° C. to 180° C.2. The curable composition of claim 1 , wherein the polyethersulfone comprises an amine-terminated polyethersulfone.3. The curable composition of claim 1 , wherein the polyethersulfone is present in an amount of from 0.1% to 20% by weight claim 1 , based on the overall weight of the curable composition.4. The curable composition of claim 1 , wherein the 9 claim 1 ,9-bis(aminophenyl)fluorene or derivative therefrom is present in an amount of from 2% to 50% by weight claim 1 , based on the overall weight of the curable composition.5. (canceled)6. The curable composition of claim 1 , wherein the second curative comprises dicyandiamide present in an amount of from 0.01% to 5% by weight claim 1 , based on the overall weight of the curable composition.7. The curable composition ...

POLYMERIC INSULATING FILMS

Insulating films suitable for use in magnet wire, electrical machines, and other applications may include at least one layer formed from extruded material. The extruded material may include a blend of a first polymeric material and a second polymeric material different than the first polymeric material. The first polymeric material may include one of polyetheretherketone, polyaryletherketone, polyetherketoneketone, polyphenylsulfone, polyphenylene sulfide, or polybenzimidazole, and the second polymeric material may include one of polyphenylsulfone, polyetherimide, polyethersulfone, polyphenylene sulfide, polycarbonate, or polyester. 1. An insulating film comprising:at least one layer formed from extruded material, the extruded material comprising a blend of a first polymeric material and a second polymeric material different than the first polymeric material,wherein the first polymeric material comprises one of polyetheretherketone,polyaryletherketone, polyetherketoneketone, polyphenylsulfone, polyphenylene sulfide, or polybenzimidazole, andwherein the second polymeric material comprises one of polyphenylsulfone,polyetherimide, polyethersulfone, polyphenylene sulfide, polycarbonate, or polyester.2. The insulating film of claim 1 , wherein each of the first polymeric material and the second polymeric material comprises between 5 and 95 percent by weight of the blend.3. The insulating film of claim 1 , wherein each of the first polymeric material and the second polymeric material comprises between 10 and 90 percent by weight of the blend.4. The insulating film of claim 1 , wherein the blend comprises one of (i) polyphenylsulfone and polyethersulfone claim 1 , (ii) polyphenylsulfone and polyetherimide claim 1 , or (iii) polyetheretherketone and polyphenylsulfone.5. The insulating film of claim 1 , wherein the blend comprises polyetheretherketone and polyetherimide.6. The insulating film of claim 1 , wherein the first material comprises a semi-crystalline material and ...

Flow reactor synthesis of polymers

A flow reactor system and methods having tubing useful as polymerization chamber. The flow reactor has at least one inlet and at least one mixing chamber, and an outlet. The method includes providing two phases, an aqueous phase and a non-aqueous phase and forming an emulsion for introduction into the flow reactor.

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL MATERIAL AND PLASTIC LENS OBTAINABLE FROM SAME COMPOSITION

A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound. 2. The polymerizable composition for an optical material according to claim 1 , further comprising component (C) claim 1 , {'br': None, 'sub': 2', '7', 'p, 'HO(CHCHRO)H\u2003\u2003(5)'}, '(C) (poly)alkylene glycol represented by General Formula (5)'}(in General Formula (5), a plurality of present R7 may be the same or different and each R7 represents a hydrogen atom or a methyl group, and p represents an integer of 1 to 20).3. The polymerizable composition for an optical material according to claim 2 , wherein a total weight of components (A) claim 2 , (B) and (C) in the polymerizable composition for an optical material is 0.01 to 7.5% by weight with respect to 100% by weight of the polymerizable composition for an optical material.4. The polymerizable composition for an optical material according to claim 2 , wherein component (C) is included in a range of 0.01 to 1% by weight in 100% by weight of the polymerizable composition for an optical material.5. The polymerizable composition for an optical material according to claim 1 , wherein the polymerizable compound is one or two or more types of compounds selected from a polyiso(thio)cyanate compound claim 1 , a poly(thio)epoxy compound claim 1 , a polyoxetanyl compound claim 1 , a polythietanyl compound claim 1 , a poly(meth)acryloyl compound claim 1 , a polyalkene compound claim 1 , an alkyne compound claim 1 , a poly(thi)ol compound claim 1 , a polyamine compound claim 1 , an acid anhydride claim 1 , or a polycarboxylic acid compound.6. A molded article obtainable by curing the polymerizable composition for an optical material according to .7. An optical material comprising: the molded article ...

POLYMERS FROM STABILIZED IMINES

The disclosure describes new compositions and methods related to polyaminals and related polymers. The compositions are useful as therapeutic/drug conjugates, self-healing materials, reversible crosslinking materials, degradable hydrogels, protective coatings, and as metal scavenging agents. New atom efficient synthetic schemes are disclosed, which yield previously unobtainable high molecular weight polyaminals. 1. A method for producing a polymer , comprising:forming a reaction mixture comprising a solvent, an aminobenzene compound, a multifunctional nucleophile, an imine forming precursor; andheating the reaction mixture at a temperature from about 50° C. to about 150° C. to produce a polymer.2. The method of claim 1 , wherein the aminobenzene compound comprises at least two amine groups.3. The method of claim 1 , wherein the aminobenzene compound comprises electron withdrawing or accepting groups selected from the group consisting of: electronegative heteroatoms claim 1 , positively charged groups claim 1 , quaternary amine groups claim 1 , conjugated groups claim 1 , aromatic groups claim 1 , halogens claim 1 , nitriles claim 1 , carbonyls claim 1 , nitro groups claim 1 , nitroso groups claim 1 , sulfones claim 1 , and sulfonates.4. The method of claim 1 , wherein the multifunctional nucleophile comprises at least two nucleophilic groups claim 1 , wherein the nucleophilic group comprises a nucleophilic atom selected from the group consisting of: C claim 1 , Si claim 1 , Ge claim 1 , Sn claim 1 , N claim 1 , P claim 1 , As claim 1 , Sb claim 1 , O claim 1 , S claim 1 , Se claim 1 , and Te.5. The method of claim 1 , wherein the imine forming precursor comprises a material selected from the group consisting of: formaldehyde claim 1 , aqueous formaldehyde claim 1 , formalin claim 1 , 1 claim 1 ,3 claim 1 ,5-trioxane claim 1 , metaformaldehyde claim 1 , paraformaldehyde claim 1 , glyoxylic acid claim 1 , MP-glyoxylate claim 1 , hexamethylentetramine claim 1 , ...

HEAT-TREATED FINE POLYARYLENE SULFIDE POWDER AND MANUFACTURING METHOD FOR MANUFACTURING SAME

A heat treated fine polyarylene sulfide powder. (i) The heat treated fine polyarylene sulfide powder is manufactured from separation liquid. (ii) The heat treated fine polyarylene sulfide powder is obtained by subjecting the separation liquid to solid-liquid separation to obtain a raw material fine powder polyarylene sulfide. Thereafter the raw material fine powder polyarylene sulfide is subjected to pre-heat treatment and heat treatment. (iii) The heat treated fine polyarylene sulfide powder has an average particle size of from 1 to 80 μm. (iv) The heat treated fine polyarylene sulfide powder has a melt viscosity of 1 Pa·s or greater. (v) A generated gas amount of the heat treated fine polyarylene sulfide is 10 ppm or less. 1. (canceled)2. (canceled)3. A manufacturing method for manufacturing a heat treated fine polyarylene sulfide powder , the manufacturing method comprising the following steps:(a) a polymerization step, wherein at least one sulfur source selected from the group consisting of an alkali metal sulfide and an alkali metal hydrosulfide and a dihalo aromatic compound are subjected to a polymerization reaction in organic amide solvent;(b) a separation step, wherein a reaction solution containing produced granular polyarylene sulfide is separated into the granular polyarylene sulfide and a separation liquid through solid-liquid separation;(c) a solid-liquid separation step, wherein the separation liquid is subjected to solid-liquid separation to obtain a raw material fine powder polyarylene sulfide;(d) a pre-heat treatment step, wherein the raw material fine powder polyarylene sulfide is preheated at from 50 to 150° C. to obtain a pre-heat treated raw material fine powder polyarylene sulfide; and(e) a heat treatment step, wherein the pre-heat treated raw material fine powder polyarylene sulfide is heated at from 160 to 260° C. to obtain a heat treated fine powder polyarylene sulfide.4. The manufacturing method according to claim 3 , wherein the ...

DELAYED CURE MICRO-ENCAPSULATED CATALYSTS

Controlled release polyurea microcapsules can be prepared from a combination of polyisocyanates using emulsion polymerization. Encapsulated catalysts prepared using the polyurea microcapsules can be used to control the cure rate of coatings and sealants. 1. A microcapsule comprising a polyurea shell at least partially encapsulating a core , wherein the polyurea shell comprises a reaction product of reactants comprising:a combination of polyisocyanates, wherein the combination of polyisocyanates comprises an alicyclic diisocyanate and an acyclic diisocyanate; anda crosslinker, wherein the crosslinker comprises a polyamine2. The microcapsule of claim 1 , wherein the alicyclic diisocyanate comprises isophorone diisocyanate.3. The microcapsule of claim 1 , wherein the acyclic diisocyanate comprises hexamethylene diisocyanate.4. The microcapsule of claim 1 , wherein the combination of polyisocyanates comprises an alicyclic diisocyanate trimer claim 1 , an acyclic diisocyanate trimer claim 1 , or a combination thereof.5. The microcapsule of claim 4 , wherein the alicyclic diisocyanate trimer comprises an isophorone diisocyanate trimer and/or the acyclic diisocyanate trimer comprises hexamethylene diisocyanate trimer.6. The microcapsule of claim 1 , wherein the combination of polyisocyanates comprises isophorone diisocyanate and hexamethylene diisocyanate.7. The microcapsule of claim 1 , wherein an equivalents ratio of the alicyclic diisocyanate to the acyclic diisocyanate is from 10:90 to 90:10.8. The microcapsule of claim 1 , wherein the polyamine comprises diethylenetriamine9. The microcapsule of claim 1 , wherein the polyurea shell further comprises a silica nanopowder claim 1 , calcium carbonate claim 1 , or a combination thereof; and a weight stabilizer.10. The microcapsule of claim 1 , wherein the core comprises a catalyst.11. The microcapsule of claim 10 , wherein the core further comprises a plasticizer.12. A composition comprising the microcapsule of .13. An ...

PREPARATION OF FLUOROALKYL ELECTROCHROMIC POLYMERS AND THE USES THEREOF

The present invention generally relates to electrochromic compounds and the uses thereof, particularly to series of fluoroalkyl 3,4-dioxythiophene compounds and their electrochromic polymers or co-polymers. Both compositions and process for manufacturing thereof are in the scope of this invention. 12. A device incorporating the compound of one of -. This application claims benefits of U.S. provisional application No. 62/738,120 filed Sep. 28, 2018, entitled “PREPARATION OF FLUOROALKYL ELECTROCHROMIC POLYMERS AND THE USES THEREOF,” the content of which is incorporated herein by reference in its entirety.The present invention generally relates to electrochromic compounds and the uses thereof, particularly to series of fluoroalkyl 3,4-dioxythiophenes and their electrochromic polymers or co-polymers.This section introduces aspects that may help facilitate a better understanding of the disclosure. Accordingly, these statements are to be read in this light and are not to be understood as admissions about what is or is not prior art.Electrochromic polymers can change or adjust the intensity of visible light. Potential applications for electrochromic polymers can be found in different types of devices, such as e-paper, smart windows and anti-glare rearview mirror. Up to now, a lot of electrochromic polymers have been developed with different colors and structures. Most of efforts focus on the color and contrast of electrochromic polymers.Propylenedioxythiophene (ProDOT) is a very good monomer to prepare high contrast electrochromic polymers. A large number of electrochromic polymers were made by ProDOT with different colors. However, thermal stability and chemical stability of ProDOT based polymer still need to increase. Semifluoroalkyl sidechain and perfluoroalkyl sidechain have been directly added on 3,4-ethoxylene dioxy thiophene (EDOT) to make Poly-3,4-ethoxylene dioxy thiophene (PEDOT) semiconduction polymers. However, due to the strong pi-pi packing, the ...

Polyarylene sulfide resin with excellent luminosity and preparation method thereof

The present invention relates to a polyarylene sulfide that is prepared from a composition including 100 parts by weight of solid sulfur, 500 to 10,000 parts by weight of iodinated aryl compounds, and 0.03 to 30 parts by weight of a sulfur-containing polymerization terminator with respect to 100 parts by weight of the solid sulfur, and has a melting temperature (Tm) of 255 to 285° C., and luminosity of 40 or higher as defined by the CIE Lab color model, and a process of preparing the same. The PAS resin is prepared from a composition including a sulfur-containing polymerization terminator and thus has excellent thermal properties and luminosity.

METHOD FOR MANUFACTURING FINE POLYARYLENE SULFIDE POWDER, AND FINE POLYARYLENE SULFIDE POWDER

Provided is a method for manufacturing fine polyarylene sulfide (PAS) powder, in which impurities such as alkali metal salts and/or PAS oligomers are reduced while the wettability of the fine PAS powder in a fine PAS powder-containing solid is retained after solid-liquid separation of a separation liquid obtained by subjecting a dispersion liquid containing granular PAS to separation into granular PAS and a separation liquid; and a fine PAS powder. 1. A method for manufacturing a fine polyarylene sulfide powder , the method comprising:(a) separating granular polyarylene sulfide and a separation liquid from a dispersion liquid containing granular polyarylene sulfide by solid-liquid separation using at least one screen having an opening diameter in a range of from 75 to 180 μm;(b) performing solid-liquid separation of the separation liquid, to obtain a fine polyarylene sulfide powder-containing solid;(c) heating the fine polyarylene sulfide powder-containing solid to reduce an amount of an organic solvent and to obtain a wet cake; and(d) washing the wet cake using an aqueous solvent;wherein a water content of the wet cake after heating is 30 wt. % or greater.2. A method for manufacturing a fine polyarylene sulfide powder , the method comprising:(a) separating granular polyarylene sulfide and a separation liquid from a dispersion liquid containing granular polyarylene sulfide, by solid-liquid separation using at least one screen having an opening diameter in a range of from 75 to 180 μm;(b) performing solid-liquid separation of the separation liquid to obtain a fine polyarylene sulfide powder-containing solid;(c) heating the fine polyarylene sulfide powder-containing solid to reduce an amount of an organic solvent and to obtain a wet cake; and(d) washing the wet cake using an aqueous solvent;the method further comprising adding water to the separation liquid, in which water is added to the separation liquid, after separating but before heating.3. The manufacturing ...

POROUS MATERIALS AND METHOD OF MAKING POROUS MATERIALS

A porous material includes a polyhexahydrotriazine material. Pores in the porous material can be of various sizes including nanoscale sizes. The porous material may be used in a variety of applications, such as those requiring materials with a high strength-to-weight ratio. The porous material can include a filler material dispersed therein. The filler material can be, for example, a particle, a fiber, a fabric, or the like. In some examples, the filler material can be a carbon fiber or a carbon nanotube. A method of making a porous material includes forming a resin including a polyhemiaminal or polyhexahydrotriazine component and a polythioaminal component. The resin can be heated to promote segregation of the components into different phases with predominately one or the other component in each phase. Processing of the resin after phase segregation to decompose the polythioaminal component can form pores in the resin. 1. A method , comprising:forming a reaction mixture comprising: i) paraformaldehyde, ii) a monomer including at least two primary aromatic amine groups, and iii) a polythioaminal including at least two primary aromatic amine groups; andheating the reaction mixture to form a resin including a polyhexahydrotriazine component and a polythioaminal component.2. The method of claim 1 , further comprising heating the resin to form a phase segregated resin including a first portion in which the polyhexahydrotriazine component is predominant and a second portion in which the polythioaminal component is predominant.3. The method of claim 2 , further comprising heating the phase segregated resin to a temperature at which the polythioaminal component decomposes and at which the polyhexahydrotriazine component is substantially stable.4. The method of claim 3 , wherein the heating of the phase segregated resin is performed at a pressure below 1 atm.5. The method of claim 3 , wherein the reaction mixture further comprises a filler material.6. The method of claim 5 ...

DEVICE FOR CONTINUOUSLY PRODUCING POLY(ARYLENE SULFIDE) AND METHOD FOR CONTINUOUSLY PRODUCING POLY(ARYLENE SULFIDE)

Provided are a device for continuously producing poly(arylene sulfide) (hereinafter, referred to as PAS) and a method for continuous PAS production with which resource savings, energy savings, and a reduction in equipment cost are rendered possible. The device for continuous PAS production according to the present invention includes a housing chamber for housing a plurality of reaction cells; wherein the housing chamber is supplied with at least an organic amide solvent, a sulfur source, and a dihalo aromatic compound. In the reaction cells, the sulfur source is polymerized with the dihalo aromatic compound in the organic amide solvent to form a reaction mixture. The reaction cells communicate with each other through a gas phase within the housing chamber. The reaction cells are sequentially connected, and the reaction mixture sequentially moves to each reaction cell. 1. A device for continuously producing poly(arylene sulfide) , the device comprising a housing chamber configured to house a plurality of reaction cells ,the housing chamber being supplied with at least: an organic amide solvent; at least one type of sulfur source selected from the group consisting of hydrogen sulfide, alkali metal sulfides, and alkali metal hydrosulfides; and a dihalo aromatic compound;a reaction mixture being formed by carrying out a polymerization reaction between the sulfur source and the dihalo aromatic compound in the organic amide solvent in at least one or more reaction cells,the reaction cells being mutually communicated through a gas phase within the housing chamber, andthe reaction cells being sequentially connected, and the reaction mixture being sequentially moved to each of the reaction cells.2. The device according to claim 1 , whereinat least one group or more with regard to combinations of adjacent reaction cells are connected in order from the highest maximum liquid surface level of liquid that can be accommodated by the reaction cells, andthe reaction mixture is ...

METHODS FOR MAKING POLY(ARYL ETHER SULFONE) POLYMERS AND POLYMER COMPOSITIONS AND ARTICLES INCLUDING THE SAME

Described herein are methods for making poly(aryl ether sulfone) (“PAES”) polymers and polymer compositions including the PAES polymers. The method includes reacting a first monomer and a second monomer in a reaction mixture including a base. In some embodiments, the first monomer, second monomer and base can be selected such that halogen salts are not formed during the reacting. In some embodiments, the method can also be a solvent free process. The PAES polymer and polymer compositions can be desirable in many application settings including, but not limited to, electronic components. 115-. (canceled)17. The method of claim 16 , wherein the total base concentration is at least about 0.0005 and is no more than about 0.1 claim 16 , relative to the total number of moles of monomer derived —OH groups in the reaction mixture.18. The method of claim 16 , wherein the reaction mixture has a halogen concentration of no more than about 300 ppm.19. The method of claim 16 , wherein the base comprises:an alkali metal carbonate selected from the group consisting of sodium carbonate, potassium carbonate, cesium carbonate, and lithium carbonate,an alkali metal hydroxide selected from the group consisting of sodium hydroxide, potassium hydroxide, cesium hydroxide, and lithium hydroxide, 'an organic base selected from the group consisting of methylamine, dimethylamine, dimethyldiethylamine, dimethyl-sec-butylamine, tri-n-propylamine, triisopropylamine, 1-methyl-2-n-butyl-Δ2-pyrroline, 1-ethyl-2-methyl-Δ2-pyrroline, 1-n-butyl-2-methyl-Δ2-pyrroline, 1,2-dimethyl-Δ2-tetrahydropyridine, 1-n-propylpiperidine, triethylamine, dimethyl-n-butylamine, dimethyl-isopropylamine, dimethyl-t-butylamine, tri-n-butylamine, 1-n-propylpiperidine, 1,2-dimethylpyrrolidine, 1-methyl-2-n butylpyrrolidine, 1-ethyl-2-methylpyrrolidine, 1-n-butyl-2-methylpyrrolidine, 1-ethyl-2-methylpyrrolidine, 1,2-dimethylpiperidine, 1-ethyl-2-methyl-Δ2-tetrahydropyridine, 1,5-diazabicyclo[4.3.0]non-5-ene (“DBN”), 1,8- ...

HIGH MOLECULAR WEIGHT POLYTHIOAMINALS FROM A SINGLE MONOMER

Compounds include polythioaminals of the formula: 1. A method of synthesizing a polythioaminal , comprising:mixing a thiol amine with an aldehyde to form a thiol imine; andself-polymerizing the thiol imine to form a polythioaminal, wherein the polythioaminal has a number average molecular weight (Mn) or weight average molecular weight (Mw) between about 2,000 to about 80,000.2. The method of claim 1 , wherein the number average molecular weight (Mn) or weight average molecular weight (Mw) of the polythioaminal is between about 15 claim 1 ,000 to about 20 claim 1 ,000.3. The method of claim 1 , further comprising mixing a benzothiazole with a reducing agent to form the thiol amine.4. The method of claim 1 , wherein the aldehyde is paraformaldehyde.5. The method of claim 1 , further comprising adding a solvent selected from the group consisting of N-methyl-pyrrolidone claim 1 , dimethylsulfoxide claim 1 , N claim 1 ,N-dimethylformamide claim 1 , N claim 1 ,N-dimethylacetamide claim 1 , propylene carbonate claim 1 , propylene glycol methyl ether acetate claim 1 , methanol claim 1 , ethanol claim 1 , isopropanol claim 1 , and acetic acid.8. The method of claim 1 , wherein the thiol amine is an aminothiophenol or an aliphatic amino thiol.9. The method of claim 1 , further comprising contacting the thiol imine with an amine-substituted substrate.10. A method of synthesizing a polythioaminal claim 1 , comprising:mixing an aminothiophenol or aliphatic amino thiol with an aldehyde to form a thiol imine; andself-polymerizing the thiol imine to form a polythioaminal, wherein the polythioaminal has a number average molecular weight (Mn) or weight average molecular weight (Mw) between about 2,000 to about 80,000.11. The method of claim 10 , further comprising mixing a benzothiazole with a reducing agent to form the aminothiophenol.12. The method of claim 10 , wherein the aldehyde is paraformaldehyde.13. The method of claim 10 , further comprising adding a solvent selected from ...

Photovoltaic Cell Containing Novel Photoactive Polymer

Novel photoactive polymers, as well as related photovoltaic cells, articles, systems, and methods, are disclosed. 3. The article of claim 2 , wherein m is 1 claim 2 , and each p is 0 or 1.4. The article of claim 3 , wherein each of R claim 3 , R claim 3 , R claim 3 , and R claim 3 , independently claim 3 , is halo.5. The article of claim 4 , wherein each of R claim 4 , R claim 4 , R claim 4 , and Ris fluoro.6. The article of claim 5 , wherein each D claim 5 , independently claim 5 , is the silacyclopentadithiophene moiety of formula (22) claim 5 , in which each of R claim 5 , R claim 5 , R claim 5 , and R claim 5 , independently claim 5 , is H or C-Calkyl.7. The article of claim 6 , wherein each D is the silacyclopentadithiophene moiety of formula (22) claim 6 , in which each of Rand Ris CHalkyl claim 6 , and each of Rand Ris H.8. The article of claim 6 , wherein A is the benzothiadiazole moiety of formula (5) or the thiazolothiazole moiety of formula (19) claim 6 , in which each of Rand Ris H.10. The article of claim 8 , wherein each p is 1 and each T claim 8 , independently claim 8 , is the thiophene moiety of formula (43) claim 8 , in which each of Rand R claim 8 , independently claim 8 , is H claim 8 , halo claim 8 , or C-Calkyl.11. The article of claim 10 , wherein each p is 1 and each T claim 10 , independently claim 10 , is the thiophene moiety of formula (43) claim 10 , in which each of Rand R claim 10 , independently claim 10 , is H claim 10 , Cl claim 10 , or CHalkyl.15. The polymer of claim 14 , wherein m is 1 claim 14 , and each p is 0 or 1.16. The polymer of claim 15 , wherein each of R claim 15 , R claim 15 , R claim 15 , and R claim 15 , independently claim 15 , is halo.17. The polymer of claim 16 , wherein each of R claim 16 , R claim 16 , R claim 16 , and Ris fluoro.18. The polymer of claim 17 , wherein each D claim 17 , independently claim 17 , is the silacyclopentadithiophene moiety of formula (22) claim 17 , in which each of R claim 17 , R claim ...

FIBER-REINFORCED POLYARYLENE SULFIDE COPOLYMER COMPOSITE SUBSTRATE, METHOD OF MANUFACTURING SAME, AND MOLDED ARTICLE INCLUDING SAME

A fiber-reinforced polyarylene sulfide copolymer composite base material includes a continuous reinforcing fiber, or a reinforcing fiber base material with discontinuous reinforcing fibers dispersed therein; and a polyarylene sulfide copolymer impregnated into the continuous reinforcing fiber or the reinforcing fiber base material; in which the glass transition temperature of the polyarylene sulfide copolymer is 95° C. to 190° C. The fiber-reinforced polyarylene sulfide copolymer composite base material has high workability during molding of molded articles from the composite base material and increased rigidity at high temperature, while having chemical resistance of polyarylene sulfide. 19-. (canceled)10. A fiber-reinforced polyarylene sulfide copolymer composite base material , comprising:a continuous reinforcing fiber, or a reinforcing fiber base material with discontinuous reinforcing fibers dispersed therein; anda polyarylene sulfide copolymer impregnated into the continuous reinforcing fiber or the reinforcing fiber base material;wherein the glass transition temperature of the polyarylene sulfide copolymer is 95° C. to 190° C.11. The fiber-reinforced polyarylene sulfide copolymer composite base material according to claim 10 , wherein the polyarylene sulfide copolymer has a melting point of 300° C. or lower claim 10 , or has no melting point.12. The fiber-reinforced polyarylene sulfide copolymer composite base material according to claim 10 , wherein the polyarylene sulfide copolymer comprises arylene sulfide units having a number average molecular weight (Mn) of 1 claim 10 ,000 to 10 claim 10 ,000; andan amount of the arylene sulfide unit contained in the polyarylene sulfide copolymer is 50% by weight or more.14. The fiber-reinforced polyarylene sulfide copolymer composite base material according to claim 10 , wherein the polyarylene sulfide copolymer has at least one linking group selected from the group consisting of sulfonyl claim 10 , sulfinyl claim 10 , ...

Device for substance separation

The invention relates to a device for substance separation with monolithic sorbents which can be produced by means of 3-D printing. They comprise pressure- and solvent-stable thermoplastics.

COMPOSITION INCLUDING A POLYTHIOL AND A POLYEPOXIDE AND METHODS RELATING TO THE COMPOSITION

A composition including a polythiol having more than one thiol groups, a polyepoxide having more than one epoxide group, a catalytic amount of a second amine, and a photolatent base catalyst. The photolatent base catalyst can photochemically generate a first amine, which may be the same as or different from the second amine. A polymer network preparable from the composition, and a method for making the polymer network are also disclosed. 1. A composition comprising a polythiol comprising more than one thiol group , a polyepoxide comprising more than one epoxide group , a catalytic amount of a second amine , and a photolatent base catalyst , wherein the photolatent base catalyst can photochemically generate a first amine , different from the second amine.2. The composition of claim 1 , wherein the first amine and second amine are each independently a tertiary amine or a guanidine.3. The composition of claim 1 , wherein at least one of the first amine or second amine comprises at least one of tetramethylguanidine claim 1 , diphenylguanidine claim 1 , 1 claim 1 ,4-diazabicyclo[2.2.2]octane claim 1 , 1 claim 1 ,8-diazabicyclo[5.4.0]undec-7-ene claim 1 , or 1 claim 1 ,5-diazabicyclo[4.3.0]non-5-ene.4. The composition of claim 1 , wherein the first amine has a higher conjugate acid pKa than the second amine.5. The composition of claim 1 , wherein the polythiol is monomeric.6. The composition of claim 1 , wherein the polythiol is an oligomeric or polymeric polythioether.7. The composition of claim 1 , wherein the polythiol is an oligomeric or polymeric polysulfide.8. The composition of claim 1 , further comprising an oxidizing agent or a filler.9. The composition of claim 1 , wherein the polyepoxide is monomeric.10. The composition of claim 1 , wherein the polyepoxide is an oligomeric or polymeric epoxy resin.11. The composition of claim 1 , further comprising a photosensitizer.12. A polymer network preparable from the composition of claim 1 , wherein at least some of the ...

POLYARYLENE SULFIDE AND METHOD FOR PRODUCING SAME (AS AMENDED)

There is provided a polyarylene sulfide configured to satisfy (1) to (4): (1) having a weight-average molecular weight of not less than 10000; (2) having a polydispersity of not greater than 2.5, wherein the polydispersity is expressed by a ratio of the weight-average molecular weight to a number-average molecular weight; (3) having a weight reduction on heating that satisfies an expression of ΔWr=(W1−W2)/W1×100≦0.18(%) (where ΔWr denotes a weight reduction ratio (%) and is a value calculated from a sample weight (W2) at temperature reaching 330° C. relative to a sample weight (W1) at temperature reaching 100° C. in thermogravimetric analysis at a temperature rise rate of 20° C./minute in a non-oxidizing atmosphere at ordinary pressure); and (4) having a nitrogen content of not greater than 200 ppm. 3. The polyarylene sulfide according to claim 1 , the polyarylene sulfide including substantially no halogen other than chlorine.4. A manufacturing method of a polyarylene sulfide claim 1 , comprising:a process of heating a polyarylene sulfide prepolymer, so as to convert the polyarylene sulfide prepolymer into a high polymer having a weight-average molecular weight of not less than 10000, whereinthe polyarylene sulfide prepolymer includes at least not less than 50% by weight of a cyclic polyarylene sulfide (a) obtained through a process 1b and/or a process 2 and has a weight-average molecular weight of less than 10000, whereina process 1a denotes a process that causes at least a sulfidizing agent (b) and a dihalogenated aromatic compound (c) to be exposed to each other in a nitrogen-containing organic polar solvent (d), so as to obtain the cyclic polyarylene sulfide (a);the process 1b denotes a process that performs the process 1a with addition of 0.95 to 1.04 mol of an alkali metal hydroxide (e) relative to 1 mol of the sulfidizing agent (b); andthe process 2 denotes a process that adds an alkaline solution (e) or an acid solution (f) different from the nitrogen- ...

METHOD FOR PREPARATION OF POLY(ALPHA-LIPOIC ACID) POLYMERS

A method for the polymerization of α-lipoic acid and α-lipoic acid derivatives includes preparing an α-lipoic formulation, exposing the α-lipoic formulation to an aqueous phase and a gaseous phase at a gas/water interface, and allowing the α-lipoic formulation to polymerize at the gas/water interface to form a poly(α-lipoic acid) polymer. The α-lipoic formulation can be an α-lipoic solution of an α-lipoic solute and an organic solvent miscible with water, and can also be an α-lipoic acid or oligomer or polymer thereof in liquid (typically melt) form. 1. A method for the polymerization of α-lipoic acid and α-lipoic acid derivatives , the method comprising: (1) an α-lipoic solution of (a) an α-lipoic solute selected from the group consisting of α-lipoic acids, α-lipoic acid based-derivatives, and combinations thereof and (b) an organic solvent miscible with water, and', '(2) an α-lipoic liquid of α-lipoic acids, α-lipoic acid based-derivatives, and combinations thereof;, 'preparing an α-lipoic formulation selected from the group consisting ofexposing said α-lipoic formulation to an aqueous phase and a gaseous phase at a gas/water interface; andallowing the α-lipoic formulation to polymerize at the gas/water interface to form a poly(α-lipoic acid) polymer.2. The method of claim 1 , wherein said α-lipoic formulation is an α-lipoic solution claim 1 , and said organic solvent is selected from ethanol claim 1 , isopropanol claim 1 , methanol claim 1 , acetone claim 1 , glycerin claim 1 , propylene glycol claim 1 , tetraethylene glycol claim 1 , dioxane claim 1 , dimethylsulfoxide and tetrahydrofuran.3. The method of claim 1 , wherein said α-lipoic formulation is an α-lipoic liquid and further includes oligomers or polymers of α-lipoic acid or α-lipoic acid-containing compounds or both.4. The method of claim 3 , wherein the α-lipoic liquid is liquid due to being heated.5. The method of claim 1 , wherein the α-lipoic formulation includes an ester of α-lipoic acid.6. The ...

CURABLE COMPOSITION AND OPTICAL MATERIAL COMPRISING CURED PRODUCT THEREOF

A curable composition for forming a high refractive index optical material including an episulfide compound, a cyclic disulfide compound, and a reducing agent, and an optical material comprising a cured product of the curable composition. 5. The curable composition according to claim 1 , whereinthe episulfide compound comprises at least one selected from the group consisting of bis(β-epithiopropyl)sulfide, bis(β-epithiopropyl)disulfide, bis(β-epithiopropylthio)methane, 1,2-bis(β-epithiopropylthio)ethane, 1,3-bis(β-epithiopropylthio)propane, and 1,4-bis(β-epithiopropylthio)butane.6. The curable composition according to claim 1 , whereinthe reducing agent comprises at least one selected from the group consisting of 1,4-dimercaptobutane-2,3-diol (DTT), tris(2-carboxylethyl)phosphine (TCEP), tris(3-hydroxypropyl)phosphine (THPP), β-mercaptoethanol (BME) and dithiobutylamine (DTBA).9. The curable composition according to claim 1 , whereina weight ratio between the episulfide compound and the cyclic disulfide compound is 7:3 to 9:1.10. The curable composition according to claim 1 , whereina weight ratio between the reducing agent and the cyclic disulfide compound is 1:10 to 1:500.11. The curable composition according to claim 1 , whereinthe curable composition further comprises a catalyst.14. The optical material according to claim 12 , whereinthe optical material has a refractive index of 1.65 or more.15. The optical material according to claim 12 , whereinthe optical material has a transmittance of 80% or more.16. The optical material according to claim 12 , whereinthe optical material has a haze of 1.2% or less.17. The optical material according to claim 12 , whereinthe optical material is for a lens of a wearable device. This application is the U.S. national stage of International Application No. PCT/KR2020/006529, filed on May 19, 2020, which claims the benefit of priority based on Korean Patent Application No. 10-2019-0059609 filed on May 21, 2019, the disclosure of ...

AMINE SCAVENGERS FOR SYNTHESIS OF POLYTHIOAMINALS

Thioaminal polymers are made from hexahydrotriazine precursors and dithiol precursors. The precursors are blended together and subjected to mild heating to make the polymers. An amine scavenger is used to remove amine byproducts from the reaction, thus promoting polymer growth to high molecular weight. The polymers have the general structure 1. A method of forming a composition , comprising:forming a reaction mixture comprising a hexahydrotriazine, a dithiol, and an amine scavenger having a selective reactivity to amines in the reaction mixture; andforming a thioaminal polymer by heating the reaction mixture to a temperature of at least about 50° C.3. The method of claim 2 , wherein X claim 2 , Y claim 2 , and Z are the same in each molecule of the plurality of molecules.4. The method of claim 3 , wherein the amine scavenger is selected from the group consisting of an isocyanate claim 3 , a thiocyanate claim 3 , an organic carbonate claim 3 , or an organic anhydride.5. The method of claim 4 , wherein the amine scavenger is a cyclic carbonate.6. The method of claim 3 , wherein the amine scavenger is a mixture of molecules each of which reacts selectively with amines in the reaction mixture.7. The method of claim 1 , wherein the amine scavenger is supported on a substrate.8. The method of claim 1 , further comprising maintaining the temperature of the reaction mixture of at least about 50° C. while adding a subsequent amine scavenger to the reaction mixture.9. The method of wherein the dithiol is a linear alkane dithiol with a sulfide group attached to each of the initial and concluding carbonyl groups claim 1 , andthe amine scavenger is propylene carbonate.10. The method of claim 2 , wherein the amine scavenger sequesters amines in the reaction mixture.11. The method of claim 1 , wherein a thioaminal polymer is formed by heating the reaction mixture to a temperature of at least about 85° C.12. The method of wherein the amine scavenger is fluidized.13. The method of ...

METHOD OF PRODUCING POLYARYLENE SULFIDE

Provided is a method of producing polyarylene sulfide (PAS) that suppresses side reactions and produces PAS with a high purity and a high molecular weight at a high yield. 1. A method of producing polyarylene sulfide in which a sulfur source and a dihalo aromatic compound are polymerized in an organic amide solvent , the method comprising steps 1 to 3 below:step 1: a preparation step of preparing a mixture containing an organic amide solvent, a sulfur source, water, a dihalo aromatic compound, and an alkali metal hydroxide in an amount that is less than an equimolar amount relative to the sulfur source;step 2: a first-stage polymerization step of initiating a polymerization reaction by heating the mixture, and producing a prepolymer having a dihalo aromatic compound conversion rate of 50% or greater; andstep 3: a second-stage polymerization step of adding from 0.11 to 0.3 mol of an alkali metal hydroxide per 1 mol of the sulfur source, and continuing the polymerization reaction.2. The method of producing polyarylene sulfide according to claim 1 , wherein the sulfur source contains one or both of an alkali metal sulfide and an alkali metal hydrosulfide.3. The method of producing polyarylene sulfide according to claim 1 , wherein a dehydration step of discharging at least a part of distillate containing water from a system claim 1 , containing a mixture containing an organic amide solvent claim 1 , a sulfur source claim 1 , and an alkali metal hydroxide claim 1 , to outside the system by heating the mixture is performed before the preparation step.4. The method of producing polyarylene sulfide according to claim 1 , wherein claim 1 , in the preparation step claim 1 , the mixture containing from 0.75 to 0.98 mol of the alkali metal hydroxide per 1 mol of the sulfur source is prepared.5. The method of producing polyarylene sulfide according to claim 1 , wherein claim 1 , in the preparation step claim 1 , the mixture having a pH of higher than 12.5 but 14 or lower is ...

POLYARYLENE SULFIDE RESIN COMPOSITION HAVING EXCELLENT HYDROLYSIS RESISTANCE

The present invention relates to a resin composition which comprises a polyarylene sulfide having a chlorine content of 300 ppm or less, a mercapto silane coupling agent, a hydrolysis resistant additive, and a filler; and a molded article manufactured by molding the resin composition. The resin composition according to the present invention can be used for manufacturing of various molded articles requiring durability and hydrolysis resistance, specifically for parts of an automobile coolant system. 1. A resin composition comprising: a polyarylene sulfide having a chlorine content of 300 ppm or less; a mercapto silane coupling agent; a hydrolysis resistant additive; and a filler.2. The resin composition of claim 1 , wherein the polyarylene sulfide comprises an arylene sulfide repeating unit and an arylene disulfide repeating unit in a weight ratio ranging from 1:0.0001 to 0.05.3. The resin composition of claim 1 , wherein the mercapto silane coupling agent is selected from the group consisting of 3-mercaptopropyl trimethoxy silane claim 1 , 3-mercaptopropyl triethoxy silane claim 1 , 3-mercaptocyclohexyl trimethoxy silane claim 1 , 3-mercaptocyclohexyl triethoxy silane claim 1 , 3-mercaptopropyl dimethoxy silane claim 1 , 3-mercaptopropyl diethoxy silane and a combination thereof.4. The resin composition of claim 1 , wherein the hydrolysis resistant additive is selected from the group consisting of a functionalized epoxy resin claim 1 , polycarbodiimide claim 1 , para-phenylene-diisocyanate and a combination thereof.5. The resin composition of claim 1 , wherein the filler is selected from the group consisting of a glass fiber claim 1 , a carbon fiber claim 1 , a boron fiber claim 1 , a glass bead claim 1 , a glass flake claim 1 , talc claim 1 , calcium carbonate claim 1 , a pigment and a combination thereof.6. The resin composition of claim 5 , wherein the filler is selected from the group consisting of a glass fiber claim 5 , calcium carbonate claim 5 , a pigment ...

METHOD OF MANUFACTURING POLYARYLENE SULFIDE, AND POLYARYLENE

To provide a method of manufacturing polyarylene sulfide (PAS) while efficiently recovering an organic amide solvent at a low energy cost, without using an organic solvent, from washing wastewater produced by washing a raw material mixture containing PAS and an organic amide solvent using a solvent containing water; a method of manufacturing PAS by reducing the amount of water supplied when washing the raw material mixture using a solvent containing water; and PAS manufactured by these methods. A method according to the present invention includes: a step of mixing a solvent containing water and a raw material mixture that contains PAS and an organic amide solvent, and then washing the PAS; a step of obtaining a separated liquid by solid-liquid separation; and a step of separating the separated liquid into distilled vapor having a smaller amount of the organic amide solvent and a recovered liquid having a larger amount of the organic amide solvent by heating, where the heating is performed utilizing an increase in temperature based on compressing the distilled vapor and/or compressing a heat medium heat-exchanged with the distilled vapor. 1. A method of manufacturing polyarylene sulfide , comprising:(a) a washing step of mixing a solvent containing water with a raw material mixture that contains polyarylene sulfide and an organic amide solvent to obtain a dispersion, dissolving the organic amide solvent in the solvent containing water, and then washing the polyarylene sulfide;(b) a separating step of solid-liquid separating the dispersion in the washing step to obtain a separated liquid; and(c) a distilling step of separating the separated liquid into distilled vapor containing a solvent containing water having a smaller amount of the organic amide solvent, and recovered liquid containing a solvent containing water having a larger amount of the organic amide solvent by heating the separated liquid obtained in the separating step;whereinheating in the distilling step ...

PREPARATION METHOD OF POLYARYLENE SULFIDE

The present disclosure relates to a preparation method of a polyarylene sulfide, and this method may produce a polyarylene sulfide having properties equal to or higher than those of the conventional method at a high yield by adding an aliphatic amino acid hydrochloride in addition to existing materials for dehydration. 1. A preparation method of a polyarylene sulfide , comprising:{'sub': '1-20', 'preparing a sulfur source comprising a sulfide of an alkali metal by dehydrating a hydrosulfide of an alkali metal and a hydroxide of an alkali metal in the presence of an organic acid salt of an alkali metal and a Caliphatic amino acid hydrochloride in a mixed solvent of water and an amide-based compound; and'}adding a dihalogenated aromatic compound and an amide-based compound to a reactor containing the sulfur source, and performing a polymerization reaction to prepare a polyarylene sulfide.2. The preparation method of a polyarylene sulfide according to claim 1 , wherein the aliphatic amino acid hydrochloride is used in an amount of 0.01 to 0.50 equivalents based on 1 equivalent of the sulfur source.3. The preparation method of a polyarylene sulfide according to claim 1 , wherein the aliphatic amino acid hydrochloride is at least one selected from the group consisting of (methylamino)butyric acid hydrochloride claim 1 , (methylamino)propionic acid hydrochloride claim 1 , and (methylamino)acetic acid hydrochloride.4. The preparation method of a polyarylene sulfide according to claim 1 , wherein the water is used in an amount of 1 to 8 equivalents based on 1 equivalent of the amide-based compound.5. The preparation method of a polyarylene sulfide according to claim 1 , wherein the organic acid salt of an alkali metal is used in an amount of 0.01 to 1.0 equivalents based on 1 equivalent of the hydrosulfide of an alkali metal.6. The preparation method of a polyarylene sulfide according to claim 1 , wherein the organic acid salt of an alkali metal comprises lithium acetate ...

POLYARYLENE SULFIDE DISPERSION, POWDER PARTICLES, METHOD FOR PRODUCING POLYARYLENE SULFIDE DISPERSION, AND METHOD FOR PRODUCING POWDER PARTICLES

An object of the present invention is to provide a polyarylene sulfide dispersion which has high dispersion stability even if the polyarylene sulfide resin concentration is high, and which is coated with an anionic group-containing organic polymer compound having excellent bondability and adhesion to various base materials such as plastics, metals, and glasses. The present invention solves the aforementioned problem by providing a polyarylene sulfide dispersion which is including polyarylene sulfide particles having high stability even at a high concentration by being coated with an anionic group-containing organic polymer compound according to an acid deposition method; and powder particles obtained from the polyarylene sulfide dispersion. 1. A polyarylene sulfide dispersion comprising:polyarylene sulfide particles;an anionic group-containing organic polymer compound;a base; andan aqueous medium,the polyarylene sulfide particles being coated with the anionic group-containing organic polymer compound.2. The polyarylene sulfide dispersion according to claim 1 ,wherein an anionic group of the anionic group-containing organic polymer compound is at least one anionic group selected from the group consisting of a carboxyl group, a carboxylate group, a sulfonic acid group, a sulfonate group, and a phosphoric acid group.3. The polyarylene sulfide dispersion according to claim 1 ,wherein a main skeleton of the anionic group-containing organic polymer compound is at least one organic polymer compound selected from the group consisting of a (meth)acrylate resin, a (meth)acrylate-styrene resin, a (meth)acrylate-epoxy resin, a vinyl resin, a urethane resin, and a polyamideimide resin.4. The polyarylene sulfide dispersion according to claim 1 ,wherein an acid value of the anionic group-containing organic polymer compound is from 10 to 300 mgKOH/g.5. The polyarylene sulfide dispersion according to claim 1 ,wherein in the anionic group-containing organic polymer compound, a base ...

POLY(THIOETHERS) FOR METAL ION SEQUESTRATION

The invention provides a polymer comprising two or more residues of formula III or IV or salts thereof: wherein dash line, X, Y, Q, L, M, n, R, R, R, R, Rand Rhave any of the values defined in the specification, as well as synthetic intermediates and synthetic methods useful for preparing the compounds. The polymer is useful to treat contaminated water by chelating metal. 614-. (canceled)1617-. (canceled)1920-. (canceled)2224-. (canceled)2627-. (canceled)29. (canceled)3233-. (canceled)3537-. (canceled)3940-. (canceled)42. (canceled)44. A method of separating a metal from a solution that comprises the metal comprising contacting the solution with a polymer as described in under conditions whereby the metal associates with the polymer to form a polymer associated metal.45. (canceled)46. The method of claim 44 , wherein the polymer is part of a membrane.47. method of claim 46 , wherein the membrane is part of a spiral wound module or present on the surface of porous hollow fibers.48. The method of claim 44 , wherein the polymer is coated on the surface of a bead or formed into a bead.4952-. (canceled) This application claims priority to U.S. Provisional Application No. 62/326,414, filed Apr. 22, 2016. The entire content of the application referenced above is hereby incorporated by reference herein.Polychelatogens (Spivakov, B. Y., et al., 1985, 315, 313-315; Geckeler, K. E., et al., 1987, 155, 151-161; and Tülü, M., et al., 2008, 109, 2808-2814) and their heterogeneous (i.e. water-insoluble) alternatives (Alexandratos, S. D., et al., 2015, 39, 5366-5373; Alexandratos, S. D., et al., 2001, 34, 206-210; Bell, C. A., et al., 2006, 18, 582-586; Rivas, B. L., et al., 2007, 10, 151-154; Ramirez, E., et al., 2011, 192, 432-439; and Tomida, T., et al., 2001, 40, 3557-3562) form a broad set of polymer-based reagents that are designed to sequester heavy metal contaminants in water resources that pose a risk to human health (Järup, L. 2003, 68, 167-182). In light of ongoing ...

POLYARYLENE SULFIDE RESIN COMPOSITION HAVING EXCELLENT CHEMICAL RESISTANCE

The present invention provides a resin composition comprising a polyarylene sulfide, glass fiber, a mercaptosilane compound, and hydrotalcite, the resin composition having a chlorine content of 100 ppm or less and a sodium content of 50 ppm or less. The resin composition is excellent in chemical resistance against organic solvents and antifreeze resistance while maintaining excellent mechanical and thermal properties inherent to PAS, and thus the resin composition can be widely used in various fields requiring excellent chemical resistance and antifreeze resistance. 1. A resin composition comprising:a polyarylene sulfide having a chlorine content of 100 ppm or less and a sodium content of 50 ppm or less;a glass fiber;a mercaptosilane compound; anda hydrotalcite.2. The resin composition of claim 1 , wherein the polyarylene sulfide comprises 10 to 10 claim 1 ,000 ppm of main chain-bound iodine or free iodine.3. The resin composition of claim 1 , wherein the polyarylene sulfide has a number average molecular weight of 5 claim 1 ,000 to 50 claim 1 ,000 and a melt viscosity of 10 to 50 claim 1 ,000 poise as measured by a rotating disk viscometer at 300° C.4. The resin composition of claim 1 , wherein the glass fiber has an average diameter of 6 to 15 μm and an average length of 2 to 5 mm.5. The resin composition of claim 1 , wherein the glass fiber is an alumino-borosilicate glass fiber.6. The resin composition of claim 1 , wherein the mercaptosilane compound is a dry silane which is prepared by impregnating a porous inorganic substance with a liquid silane.7. The resin composition of claim 1 , wherein the hydrotalcite has an average particle diameter of 0.3 to 0.8 μm.8. The resin composition of claim 1 , wherein the resin composition comprises 40 to 70 wt % of the polyarylene sulfide claim 1 , 20 to 55 wt % of the glass fiber claim 1 , 0.01 to 1.5 wt % of the mercaptosilane compound claim 1 , and 0.05 to 5.0 wt % of the hydrotalcite based on the total weight of the ...

POLYSULFIDE COPOLYMER PARTICLE AND METHOD OF PREPARING THE SAME

The present disclosure relates to a polysulfide copolymer particle and a method of preparing the polysulfide copolymer particle. 1. A method of preparing a polysulfide copolymer particle , comprising:{'sub': 2', 'm, 'preparing a mixture including a surfactant, a phase transfer catalyst, a polyfunctional monomer, and a polysulfide salt represented by the formula XS, in which X is an alkali metal cation or ammonium cation and m is a number from 1 to 10, the surfactant and the phase transfer catalyst being different; and'}polymerizing the polysulfide salt with the polyfunctional monomer in the presence of the surfactant and the phase transfer catalyst to form a polysulfide polymer particle in the mixture.2. The method of preparing a polysulfide copolymer particle of claim 1 , wherein both a concentration of the surfactant and a concentration of the phase transfer catalyst are controlled to adjust a size of the polysulfide polymer particle formed.3. The method of preparing a polysulfide copolymer particle of claim 1 , wherein both a concentration of the surfactant and a concentration of the phase transfer catalyst are controlled so that the polysulfide polymer particle has a size of from about 470 nm to about 760 nm.4. The method of preparing a polysulfide copolymer particle of claim 1 , wherein the phase transfer catalyst includes tetrabutylammonium bromide (TBAB).5. The method of preparing a polysulfide copolymer particle of claim 1 , wherein the surfactant includes Triton X-100.6. The method of preparing a polysulfide copolymer particle of claim 1 , wherein the surfactant includes a cationic surfactant.7. The method of preparing a polysulfide copolymer particle of claim 6 , wherein the cationic surfactant includes cetyltrimethyl ammonium bromide (CTAB).8. The method of preparing a polysulfide copolymer particle of claim 1 , wherein the polysulfide copolymer particle has a sulfur content of 65 wt % or more.9. The method of preparing a polysulfide copolymer particle of ...

pH SENSITIVE QUANTUM DOTS FOR USE AS CURE INDICATORS

Disclosed is a curable sealant composition including: (i) a thiol-terminated prepolymer and/or monomers thereof, wherein the thiol-terminated prepolymer is a polythioether or a polysulfide; (ii) an “ene” crosslinker having a molecular weight of about 100 to about 5000; and (iii) a pH indicator molecule including a quantum dot functionalized with a pH-responsive ligand. Methods for determining a sufficient cure state of a composition by combining the thiol-terminated prepolymer and/or monomers thereof and the “ene” crosslinker with a pH indicator molecule, including a quantum dot functionalized with a pH-responsive ligand, and (ii) then subjecting a resultant mixture of (i) to curing conditions until the mixture changes its color are also disclosed. 1. A curable sealant composition comprising:(i) at least one selected from the group consisting of a thiol-terminated prepolymer and a monomer thereof, wherein the thiol-terminated prepolymer is selected from the group consisting of a polythioether and a polysulfide;(ii) an “ene” crosslinker having a molecular weight of about 100 to about 5000; and(iii) a pH indicator molecule comprising a quantum dot functionalized with a pH-responsive ligand.2. The curable sealant composition of claim 1 , wherein the quantum dot is a CdSe/ZnS core/shell quantum dot.3. The curable sealant composition of claim 1 , wherein the pH-responsive ligand is protonated.4. The curable sealant composition of claim 1 , wherein the pH-responsive ligand is a tertiary amine.5. The curable sealant composition of claim 4 , wherein the tertiary amine is selected from the group consisting of 2-(diethylamino)ethane-1-thiol claim 4 , 2-(diisopropylamino)ethane-1-thiol claim 4 , 2-(dibutylamino)ethane-1-thiol claim 4 , 2-(pyrrolidin-1-yl)ethane-1-thiol claim 4 , 2-(piperidin-1-yl)ethane-1-thiol and 2-(dimethylamino)ethane-1-thiol.6. The curable sealant composition of claim 1 , wherein the pH-responsive ligand is a mercaptopyridine derivative.7. The curable ...

ELECTROCHEMICAL CELL HAVING SOLID IONICALLY CONDUCTING POLYMER MATERIAL

The invention features an electrochemical cell having an anode and a cathode; wherein at least one of the anode and cathode includes a solid ionically conducting polymer material that can ionically conduct hydroxyl ions. 1. An electrochemical cell for producing electrical energy via an electrochemical reaction comprising an anode and a cathode;and wherein at least one of the anode and the cathode comprise a solid ionically conducting polymer material;wherein the solid ionically conducting polymer material can ionically conduct hydroxyl ions,whereby the solid ionically conducting polymer material can conduct hydroxyl ions during said electrochemical reaction.2. The cell of claim 1 , wherein the cathode can produce hydroxyl ions during the electrochemical reaction.3. The cell of claim 1 , wherein the solid ionically conducting polymer material has a crystallinity index of at least or greater that about 30%.4. The cell of claim 1 , wherein the solid ionically conducting polymer material comprises at least one hydroxyl ion and has an OH— diffusivity greater that 10at a temperature in the range of 20° C. to 26° C.5. The cell of claim 1 , wherein the cathode comprises an active material that generates a hydroxyl ion during electrochemical reaction.6. The cell of claim 1 , wherein the anode comprises the solid ionically conducting polymer material and further comprises an anode electrochemically active material claim 1 , wherein the solid ionically conducting polymer material and anode electrochemically active material are mixed claim 1 , whereby the solid ionically conducting polymer material can ionically conduct hydroxyl ions to the anode electrochemically active material.7. The cell of claim 1 , wherein the cathode comprises the solid ionically conducting polymer material and further comprises a cathode electrochemically active material claim 1 , wherein the solid ionically conducting polymer material and cathode electrochemically active material are mixed claim 1 , ...

PREPOLYMERS EXHIBITING RAPID DEVELOPMENT OF PHYSICAL PROPERTIES

Hydroxyl-containing bis(alkenyl) ethers can be incorporated into the backbone of polythioether prepolymers and can be used as curing agents in thiol-terminated polythioether prepolymer compositions. Cured sealants prepared using compositions containing hydroxyl-containing bis(alkenyl) ether-containing polythioether prepolymers and/or hydroxyl-containing bis(alkenyl) ether curing agents exhibit improved physical properties such as rapid curing and compatibility with fillers suitable for use in aerospace sealant applications. 1. A polythioether prepolymer comprising reaction products of reactants comprising: {'br': None, 'sup': '1', 'HS—R—SH\u2003\u2003(5)'}, '(a) a polythiol comprising a dithiol of Formula (5) {'sup': '1', 'sub': 2-10', '6-8', '6-10', '5-8', 'p', 'q', 'r, 'claim-text': each p is independently an integer from 2 to 6;', 'q is an integer from 1 to 5;', 'r is an integer from 2 to 10;', 'each R is independently selected from hydrogen and methyl; and', {'sup': 5', '5, 'each X is independently selected from —O—, —S—, and —NR—, wherein Ris selected from hydrogen and methyl;'}], 'Rcomprises Calkanediyl, Ccycloalkanediyl, Calkanecycloalkanediyl, Cheterocycloalkanediyl, or —[(—CHR—)—X—]—(—CHR—)—, wherein, 'wherein,'} {'br': None, 'sub': 2', '2', 'n', '2', 'n', '2', '2', '2', 'n', '2', 'n', '2, 'sup': '4', 'CH═CH—(CH)—O—(CH)—CH(—OH)—CH—S—R—S—CH—CH(—OH)—(CH)—O—(CH)—CH═CH\u2003\u2003(2)'}, '(b) a hydroxyl-containing bis(alkenyl) ether of Formula (2) each n is independently an integer from 1 to 4; and', {'sup': '4', 'sub': 2-6', '3-6', '6-8', '6-10', '2', 'p', 'q', '2', 'r, 'claim-text': each X is independently selected from —O—, —S— and —S—S—;', 'each p is independently an integer from 2 to 6;', 'q is an integer from 1 to 5; and', 'r is an integer from 2 to 6; and, 'Ris selected from Cn-alkanediyl, Cbranched alkanediyl, Ccycloalkanediyl, Calkanecycloalkanediyl, and —[(—CH—)—X—]—(—CH—)—, wherein,'}], 'wherein,'} {'br': None, 'sub': 2', 'm', '2, 'sup': '2', 'CH═CH—O ...

METHOD OF PRODUCING POLYARYLENE SULFIDE

The present invention is to provide a method of producing polyarylene sulfide that can produce polyarylene sulfide having a low halogen content simply and easily and at low cost. The method of producing polyarylene sulfide according to an embodiment of the present invention includes: a preparation step of preparing a mixture containing an organic amide solvent, a sulfur source, a dihalo aromatic compound, and an alkali metal hydroxide; a first-stage polymerization step of producing a prepolymer until a pH of a reaction system reaches a range of lower than 10 but 7 or higher by initiating a polymerization reaction by heating the mixture; and a second-stage polymerization step of continuing the polymerization reaction. 1. A method of producing polyarylene sulfide that polymerizes a sulfur source and a dihalo aromatic compound in an organic amide solvent , the method comprising:a preparation step of preparing a mixture containing an organic amide solvent, a sulfur source, a dihalo aromatic compound, and an alkali metal hydroxide;a first-stage polymerization step of producing a prepolymer until a pH of a reaction system reaches a range of lower than 10 but 7 or higher by initiating a polymerization reaction by heating the mixture; anda second-stage polymerization step of continuing the polymerization reaction.2. The method according to claim 1 , whereinin the preparation step, a mixture containing the alkali metal hydroxide in an amount that is less than an equimolar amount per 1 mol of the sulfur source is prepared; andin the second-stage polymerization step, the polymerization reaction is continued by adding from 0.01 to 0.6 mol of alkali metal hydroxide per 1 mol of the sulfur source.3. The method according to claim 1 , wherein in the first-stage polymerization step claim 1 , the prepolymer is produced until a conversion ratio of the dihalo aromatic compound reaches 50% or greater.4. The method according to claim 1 , wherein in the preparation step claim 1 , a ...

pH SENSITIVE QUANTUM DOTS FOR USE AS CURE INDICATORS

Disclosed is a curable sealant composition including: (i) a thiol-terminated prepolymer and/or monomers thereof, wherein the thiol-terminated prepolymer is a polythioether or a polysulfide; (ii) an “ene” crosslinker having a molecular weight of about 100 to about 5000; and (iii) a pH indicator molecule including a quantum dot functionalized with a pH-responsive ligand. Methods for determining a sufficient cure state of a composition by combining the thiol-terminated prepolymer and/or monomers thereof and the “ene” crosslinker with a pH indicator molecule, including a quantum dot functionalized with a pH-responsive ligand, and (ii) then subjecting a resultant mixture of (i) to curing conditions until the mixture changes its color are also disclosed. 1. A method for determining a sufficient cure state of a composition , which method comprises:(i) combining (a) at least one selected from the group consisting of a thiol-terminated prepolymer and a monomer thereof, (b) an “ene” crosslinker and (c) a pH indicator molecule comprising a quantum dot functionalized with a pH-responsive ligand; and(ii) subjecting a resultant mixture of (i) to a curing condition until the resultant mixture changes its color,(iii) comparing the change in color of the resultant mixture to a reference standard, wherein a sufficient cure state of the composition is indicated when the color of the resultant mixture is the same as the color of the reference standard, andwherein the thiol-terminated prepolymer is selected from the group consisting of a polythioether and a polysulfide, and wherein the “ene” crosslinker has a molecular weight of about 100 to about 5000.2. The method of claim 1 , wherein (i) further comprises combining a photosensitizer.3. The method of claim 1 , wherein the curing condition comprises exposing the resultant mixture of (i) to ultraviolet light.4. The method of claim 1 , wherein a change in color comprises an increase in fluorescent intensity in comparison to the reference ...

POLYARYLENE SULFIDE PRODUCTION METHOD AND POLYARYLENE SULFIDE PRODUCED USING PRODUCTION METHOD

The present invention is a production method for producing polyarylene sulfide, wherein an unreacted dihalo aromatic compound is recovered and reused. 1. A production method for producing polyarylene sulfide , the method comprising:(a) a polymerization step of producing a polymerization reaction solution containing polyarylene sulfide by performing a polymerization reaction on at least one type of sulfur source selected from the group consisting of alkali metal sulfides and alkali metal hydrosulfides and a dihalo aromatic compound in an organic amide solvent;(b) a separation step of separating the polymerization reaction solution obtained in the polymerization step into polyarylene sulfide and a separated liquid by solid-liquid separation; and(c) a recovery step of recovering an unreacted dihalo aromatic compound from a water-containing mixture in the form of a water-containing liquid mixture containing the separated liquid by steam distillation entailing using a steam distillation column having a static reflux device and adjusting a reflux ratio of water by refluxing the water containing liquid mixture in the vicinity of a top of the steam distillation column.2. A production method for producing polyarylene sulfide , the method comprising:(a) a polymerization step of producing a polymerization reaction solution containing polyarylene sulfide by performing a polymerization reaction on a raw material mixture containing at least one type of sulfur source selected from the group consisting of alkali metal sulfides and alkali metal hydrosulfides and a dihalo aromatic compound in an organic amide solvent;(d) a dehydration step of removing water content by steam distillation from a water-containing mixture in the form of a water-containing liquid mixture and/or a water-containing steam mixture containing the raw material mixture and/or a polymerization reaction solution during the polymerization reaction; and(c) a recovery step of recovering an unreacted dihalo aromatic ...

Urethane-based optical component and manufacturing process therefor

The present invention relates to a urethane optical member containing at least one kind of structures represented by the following formulae (1) and (2) in a structure constituting the optical member, and a method for producing the same.

Method for Forming a Polyarylene Sulfide

A method for forming a polyarylene sulfide with a relatively low content of volatile malodorous compounds is provided. More particularly, such low compound levels may be achieved by subjecting a washed polyarylene sulfide to a heat treatment in the presence of an atmosphere that includes an inert gas, wherein the heat treatment occurs at a temperature of from about 150° C. to about 275° C. 1. A method for forming a polyarylene sulfide , the method comprising subjecting a polyarylene sulfide to a washing cycle to form a washed polyarylene sulfide , and thereafter subjecting the washed polyarylene sulfide to a heat treatment in the presence of an atmosphere that includes an inert gas , wherein the heat treatment occurs at a temperature of from about 150° C. to about 275° C.2. The method of claim 1 , wherein the heat treatment occurs for a time period of from about 0.1 to about 15 hours.3. The method of claim 1 , wherein the inert gas includes nitrogen claim 1 , helium claim 1 , argon claim 1 , xenon claim 1 , neon claim 1 , krypton claim 1 , radon claim 1 , or a combination thereof.4. The method of claim 1 , wherein inert gases constitute from about 90 wt. % to 100 wt. % of the atmosphere.5. The method of claim 1 , wherein the inert gas is recycled.6. The method of claim 1 , wherein after being subjected to the heat treatment claim 1 , the polyarylene sulfide has a volatile content of about 175 parts per million or less.7. The method of claim 1 , wherein after being subjected to the heat treatment claim 1 , the polyarylene sulfide has a mesityl oxide content of about 75 ppm or less claim 1 , a butyrolactone content of about 65 ppm or less claim 1 , an N-methylpyrrolidone content of about 20 ppm or less claim 1 , and/or a pDCB content of about 4 ppm or less.8. The method of claim 1 , wherein after being subjected to the heat treatment claim 1 , the polyarylene sulfide has a Yellowness Index of about 15 or less.9. The method of claim 1 , wherein after being subjected to ...

Method of Polyarylene Sulfide Precipitation

A method for forming a polyarylene sulfide is described. The method can include a multi-step cooling and precipitation process in which the cooling rate of the solution that carries the polymer is decreased during a portion of the overall cooling. This slower cooling period can encompass at least a portion of the period during which the polymer precipitates from the solution. The precipitation process can form polyarylene sulfide particles with good particle integrity and a narrow particle size distribution, which can reduce fines and improve downstream processing and final product characteristics. 138-. (canceled)39. Precipitated polyphenylene sulfide particles having a bulk density of greater than 0.5 grams per cubic centimeter to about 1.5 grams per cubic centimeter and a d50 particle size of from about 800 micrometers to about 2 ,000 micrometers.40. The particles of claim 39 , wherein the particles have a d90 particle size of less than 250 micrometers.41. The particles of claim 39 , wherein the particles have a pore area of from about 35 square meters per gram to about 74 square meters per gram.42. The particles of claim 39 , wherein the particles by cooling a polyphenylene sulfide in a precipitation solution.43. The particles of claim 42 , wherein the total cooling time is less than 160 minutes.44. The particles of claim 42 , wherein the cooling occurs in a multi-stage process.45. The particles of claim 44 , wherein the cooling comprises:cooling the precipitation solution comprising the polyphenylene sulfide, water and an organic solvent at a first cooling rate to a first temperature in a first cooling step;following the first cooling step, cooling the precipitation solution at a second cooling rate to a second temperature in a second cooling step, wherein the second cooling rate is slower than the first cooling rate; andfollowing the second cooling step, cooling the precipitation solution at a third cooling rate to a third temperature in a third cooling step, ...

POLYARYLENE SULFIDE RESIN, METHOD FOR PRODUCING SAME, POLY(ARYLENE SULFONIUM SALT), AND METHOD FOR PRODUCING POLY(ARYLENE SULFONIUM SALT)

Disclosed is a production method comprising a step of obtaining a poly(arylene sulfonium salt) comprising a terminal group including at least one functional group selected from the group consisting of a carboxy group, a hydroxy group and an amino group, and a step of dealkylating or dearylating the poly(arylene sulfonium salt) to obtain a polyarylene sulfide resin, and a polyarylene sulfide resin comprising a terminal group including a functional group obtainable by the production method. 13-. (canceled)717-. (canceled) The present invention relates to a polyarylene sulfide resin, a method for producing the same, a poly(arylene sulfonium salt), and a method for producing the same.Polyarylene sulfide resins (hereinafter sometimes abbreviated as “PAS resin”), the representative of which is a polyphenylene sulfide resin (hereinafter sometimes abbreviated as “PPS resin”) are excellent in heat resistance, chemical resistance and the like and widely utilized for applications such as electric/electronic parts, automotive parts, water heater parts, fibers and films.A polyphenylene sulfide resin is conventionally produced by using solution polymerization in which p-dichlorobenzene, and sodium sulfide or sodium hydrosulfide, and sodium hydroxide are used as raw materials to polymerize in an organic polar solvent (e.g., see Patent Literature 1). Polyphenylene sulfide resins which are currently commercially available are generally produced by this method.However, since dichlorobenzene was used for a monomer in the method, the concentration of halogen remaining in the resin after synthesis tends to be high. It was also necessary to perform polymerization reaction under a severe environment of high temperature and high pressure/strong alkaline, which requires to use a polymerization vessel using titanium, chromium or zirconium, which is expensive and hard-to-process, for the wetted part.Accordingly, methods for producing a polyarylene sulfide resin without using dichlorobenzene ...

Terminal-modified difunctional sulfur-containing polymers, compositions thereof and methods of use

Disclosed are terminal-modified difunctional sulfur-containing polymers that are the reaction products of a sulfur-containing diol, an aldehyde or a ketone, and a compound containing a functional group. Compositions comprising the terminal-modified difunctional sulfur-containing polymers useful as sealants are also disclosed.

CONTINUOUS DEHYDRATION METHOD AND METHOD FOR PRODUCING POLYARYLENE SULFIDE

The continuous dehydration method for a raw material mixture to be used in the production of PAS includes supply and dehydration of the raw material mixture and extraction of the raw material mixture having a water content reduced by the dehydration, the supply, dehydration and extraction being carried out concurrently in parallel. A dehydration efficiency index determined according to Equation (1) is not less than 0.3. In Equation (1), the dehydration time is a period of time until a moisture content per mole of the sulfur source in the raw material mixture having a reduced water content reaches not greater than 1.7 mol, including moisture consumed by the hydrolysis of the organic polar solvent. 1. A continuous dehydration method for a raw material mixture to be used in the production of polyarylene sulfide , which is carried out prior to the production of polyarylene sulfide , the method comprising:a supply step of continuously supplying a sulfur source and an organic polar solvent that constitute the raw material mixture to a continuous dehydration apparatus having one or more dehydration tanks;a dehydration step of continuously removing water from the raw material mixture; andan extraction step of continuously extracting the raw material mixture having a reduced water content from the continuous dehydration apparatus,the steps being carried out concurrently in parallel,wherein a temperature of the dehydration tank supplied with the sulfur source and the organic polar solvent in the continuous dehydration apparatus ranges from 110° C. to 270° C.; and {'br': None, 'sup': '2/3', 'dehydration efficiency index=[Number of moles (mol) of the sulfur source in the raw material mixture having a reduced water content]/[Dehydration time (hr)×(Total internal volume (L) of the dehydration tanks)]\u2003\u2003(1)'}, 'a dehydration efficiency index determined according to the following Equation (1) is not less than 0.3where the dehydration time is a period of time until a ...

METHOD OF MANUFACTURING GRANULAR POLYARYLENE SULFIDE, AND GRANULAR POLYARYLENE SULFIDE

To provide: a method of manufacturing granular polyarylene sulfide (PAS) with improved particle strength while improving the yield of the granular PAS by introducing and recovering PAS with a moderate molecular weight in granular PAS; and granular PAS. 2. (canceled)3. The method of manufacturing granular polyarylene sulfide according to claim 1 , wherein the phase separation agent is a particle modifier having a function of improving particle properties of the granular polyarylene sulfide.4. The method of manufacturing granular polyarylene sulfide according to claim 1 , wherein the polymerization temperature in the polymerizing step is 250° C. or higher.5. Granular polyarylene sulfide with a weight average molecular weight of 60000 or less claim 1 , manufactured by the method of manufacturing granular polyarylene sulfide according to claim 1 , wherein an amount of product sieved by a screen with a 150 μm opening diameter is 86.5 mass % or greater claim 1 , and the granular polyarylene sulfide has a particle strength of 88% or higher.6. (canceled)7. (canceled) The present invention relates to a method of manufacturing granular polyarylene sulfide, and granular polyarylene sulfide.Polyarylene sulfides (hereinafter, abbreviated as “PAS”) as represented by polyphenylene sulfides (hereinafter, abbreviated as “PPS”) are engineering plastics having excellent heat resistance, chemical resistance, flame retardant properties, mechanical strength, electrical properties, dimensional stability, and the like. PAS can be molded into various molded products, films, sheets, fibers, and the like by general melt processing methods such as extrusion molding, injection molding, compression molding, and the like, and therefore are widely used in a wide range of fields such as electric/electronic apparatuses, automotive apparatuses, and the like.A method of reacting a sulfur source and dihalo aromatic compound in an organic amide solvent such as N-methyl-2-pyrrolidone or the like is known ...

METHOD OF MANUFACTURING POLYARYLENE SULFIDE, AND POLYARYLENE SULFIDE

To provide a method of manufacturing polyarylene sulfide (PAS) while efficiently recovering an organic amide solvent at a low energy cost, without using an organic solvent, from washing wastewater produced by washing a raw material mixture containing PAS and an organic amide solvent using a solvent containing water; a method of manufacturing PAS by reducing the amount of water supplied when washing the raw material mixture using a solvent containing water; and PAS manufactured by these methods. 1. A method of manufacturing polyarylene sulfide , comprising:(a) a washing step of mixing a solvent containing water with a raw material mixture that contains polyarylene sulfide and an organic amide solvent to obtain a dispersion, dissolving the organic amide solvent in the solvent containing water, and then washing the polyarylene sulfide;(b) a separating step of solid-liquid separating the dispersion in the washing step to obtain a separated liquid; and(c) a distilling step of separating the separated liquid into distilled vapor containing a solvent containing water having a smaller amount of the organic amide solvent, and recovered liquid containing a solvent containing water having a larger amount of the organic amide solvent by heating the separated liquid obtained in the separating step; whereinheating in the distilling step is performed utilizing an increase in temperature based on compressing the distilled vapor and/or an increase in temperature based on compressing a heat medium heat-exchanged with the distilled vapor.2. The method according to claim 1 , further comprising:(d) an organic amide solvent concentrating step of distilling the recovered liquid to obtain a concentrated liquid containing a solvent with a higher amount of the organic amide solvent.3. The method according to claim 1 , wherein the raw material mixture is obtained through:a preliminary washing step of mixing polyarylene sulfide or mixture containing polyarylene sulfide with a washing liquid ...

Polyarylene sulfide resin composition having excellent ductility and dimensional stability

The present invention relates to a resin composition comprising a polyarylene sulfide having an α (branch ratio) of 0.4 to 0.7 according to the Mark-Houwink equation, a glass fiber, and a compatibilizer, wherein the resin composition is suitable for the manufacture of thin film parts due to having excellent ductility and dimensional stability.

SEPARATION AND PURIFICATION METHOD OF POLYARYLENE SULFIDE

The present disclosure relates to a method of more efficiently separating and purifying a polyarylene sulfide exhibiting excellent strength, heat resistance, flame retardancy, and processability when processed into a molded product after polymerization. 1. A separation and purification method of a polyarylene sulfide , comprising: separating polyarylene sulfide particles by sedimentation , and then removing alkali metal halide particles with an organic solvent by sedimentation from a mixed solution containing polyarylene sulfide particles , alkali metal halide particles and an organic solvent by using a decanter centrifugal separator at 1000 rpm to 2500 rpm; anddrying the separated polyarylene sulfide particles at 100° C. to 200° C. before washing with water.2. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the mixed solution is a waste liquid produced in a synthesizing or washing process of a polyarylene sulfide.3. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the polyarylene sulfide particles have a particle size of 100 micrometers to 2000 micrometers.4. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the polyarylene sulfide particles have a density of 1 g/cmto 1.5 g/cm.5. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the alkali metal halide particles are at least one selected from the group consisting of sodium chloride and sodium iodide.6. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the alkali metal halide particles have a particle size of 5 micrometers to 30 micrometers.7. The separation and purification method of a polyarylene sulfide according to claim 1 , wherein the alkali metal halide particles have a density of 1.9 g/cmto 3 g/cm.8. The separation and purification method of a polyarylene sulfide according to claim 1 ...

POLYARYLENE SULFIDE RESIN, MANUFACTURING METHOD THEREFOR, AND MOLDING

The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): 2. The method for manufacturing a polyarylene sulfide resin according to claim 1 , wherein the aliphatic amide compound comprises an aliphatic tertiary amide compound.4. A molding comprising the polyarylene sulfide resin according to . The present invention relates to a polyarylene sulfide resin, a manufacturing method therefor, and a molding, in particular, a polyarylene sulfide resin obtained via a poly(arylenesulfonium salt), a manufacturing method therefor, and a molding.Polyarylene sulfide resins (hereinafter sometimes abbreviated as “PAS resin”), the representative of which is a polyphenylene sulfide resin (hereinafter sometimes abbreviated as “PPS resin”), are excellent in heat resistance, chemical resistance and the like and widely utilized for applications such as electric/electronic parts, automotive parts, water heater parts, fibers and films.A polyphenylene sulfide resin is conventionally manufactured by solution polymerization in which p-dichlorobenzene, and sodium sulfide, or sodium hydrosulfide and sodium hydroxide are used as raw materials to polymerize in an organic polar solvent (e.g., see Patent Literatures 1, 2). Polyphenylene sulfide resins which are currently commercially available are generally produced by this method. However, since dichlorobenzene is used as a monomer in the method, the concentration of halogen remaining in the resin after synthesis tends to be high. In addition, it is necessary to perform polymerization reaction under a severe environment of high temperature and high pressure/strong alkaline, which requires to use a polymerization vessel using titanium, chromium or ...

Polyarylene sulfide and a preparation method thereof

The present invention relates to a polyarylene sulfide having more improved miscibility with other polymer materials or fillers, and a method of preparing the same. At least part of end groups of the main chain of the polyarylene sulfide is carboxyl group (—COOH) or amine group (—NH 2 ).

Preparation method of polyarylene sulfide

A method is provided for preparing a low temperature thermosetting polyarylene sulfide having significantly low crystallinity while maintaining a low melt flow rate at a high polymerization yield, so as to ensure excellent laser welding property and mechanical properties even when used in a molded product on the transmitting side of laser beam by a laser welding method.

PHTHALONITRILE RESIN

The present application relates to a phthalonitrile resin and the like. The present application can provide a phthalonitrile resin, and a polymerizable composition and prepolymer using the same, which can exhibit excellent curability, a suitable processing temperature and a wide process window, and form a composite having excellent physical properties. Also, according to the present invention, there may be provided a phthalonitrile resin, and a polymerizable composition and prepolymer using the same, which can exhibit appropriate viscosity characteristics and thus provide a final product without deterioration of mechanical physical properties or the like due to bubbles generated during processing. 3. The phthalonitrile resin according to claim 2 , wherein in Formula 2 any one of Rand Ror any one of Rand Rforms a radical linked to the sulfur atom (S) of Formula 1 and the other forms a radical linked to Xor Xof Formula 1 claim 2 , and the remaining substituents are each independently hydrogen claim 2 , an alkyl group claim 2 , an alkoxy group or an aryl group.4. The phthalonitrile resin according to claim 1 , wherein in Formula 1 R claim 1 , R claim 1 , Rand Rare each a cyano group claim 1 , and R claim 1 , R claim 1 , R claim 1 , R claim 1 , Rand Rare each independently hydrogen or an alkyl group.7. The polymerizable composition according to claim 6 , wherein in Formula 2 any one of Rand Ror any one of Rand Rforms a radical linked to the sulfur atom (S) of Formula 1 and the other forms a radical linked to Xor Xof Formula 1 claim 6 , and the remaining substituents are each independently hydrogen claim 6 , an alkyl group claim 6 , an alkoxy group or an aryl group.8. The polymerizable composition according to claim 5 , wherein the curing agent is an amine compound or a hydroxy compound.9. The polymerizable composition according to claim 5 , wherein the compound of Formula 1 has a viscosity in a range of 100 cP to 10 claim 5 ,000 cP at a temperature of 150° C. or higher. ...

DELAYED CURING CATALYSTS FOR THIOL/EPOXY REACTIONS

Thiol-terminated polythioether compositions and sealants exhibit an extended working time and rapidly cure at room temperature at the end of the working time are disclosed. The compositions comprise a combination of pyridine catalysts. 1. A composition comprising:(a) a thiol-terminated sulfur-containing prepolymer;(b) a polyepoxide; and(c) at least two pyridine catalysts.2. The composition of claim 1 , wherein the thiol=terminated sulfur-containing prepolymer comprises a thiol-terminated polythioether prepolymer claim 1 , a thiol-terminated polysulfide prepolymer claim 1 , or a combination thereof.3. The composition of claim 1 , wherein the sulfur-containing prepolymer comprises a thiol-terminated polythioether prepolymer comprising the structure of Formula (1):{'br': None, 'sup': 1', '2', '1, 'sub': 2', '2', 'm', '2', '2', 'n, '—R—[S—(CH)—O—[R—O—](CH)—S—R]—\u2003\u2003(1)'} [{'sup': 1', '3', '3', '3, 'sub': 2-10', '3-6', '6-8', '6-10', 'p', 'q', 'r, 'each Rindependently comprises a Cn-alkanediyl group, a Cbranched alkanediyl group, a Ccycloalkanediyl group, a Calkanecycloalkanediyl group, a divalent heterocyclic group, or a —[(CHR)—X—](CHR)— group, wherein each Rcomprises hydrogen or methyl;'}, {'sup': '2', 'sub': 2-10', '3-6', '6-8', '6-14', '2', 'p', 'q', '2', 'r, 'each Rindependently comprises a Cn-alkanediyl group, a Cbranched alkanediyl group, a Ccycloalkanediyl group, a Calkanecycloalkanediyl group, a divalent heterocyclic group, or a —[(CH)—X—(CH)— group;'}, 'each X independently comprises O, S, or —NR—, wherein R comprises hydrogen or methyl;', 'm ranges from 0 to 50;', 'n is an integer ranging from 1 to 60;', 'p is an integer ranging from 2 to 6;', 'q is an integer ranging from 1 to 5; and', 'r is an integer ranging from 2 to 10., 'wherein,'}4. The composition of claim 1 , wherein the sulfur-containing prepolymer comprises a thiol-terminated polythioether of Formula (2a) claim 1 , a thiol-terminated polythioether of Formula (2b) claim 1 , or a combination ...