ЭЛАСТОМЕРНАЯ РЕЗИНОВАЯ ПЕРЧАТКА, ПРЕДНАЗНАЧЕННАЯ ДЛЯ ПРИМЕНЕНИЯ В ЧИСТЫХ ПОМЕЩЕНИЯХ И НЕ СОДЕРЖАЩАЯ УСКОРИТЕЛЯ ВУЛКАНИЗАЦИИ И СЕРЫ

FIELD: chemistry. SUBSTANCE: glove for cleanrooms is manufactured from elastomer containing 25-30 wt % of acrylonitrile, 62-71 wt % of butadiene and 8.4 wt % of unsaturated carboxylic acid (total 100 wt %), as well as a chemically active vinyl compound and a metal crosslinking agent. At that, the glove does not contain sulfur as a crosslinking agent or a vulcanization accelerator. Crosslinking is achieved by application of a reactive vinyl compound and a part of carboxyl groups of unsaturated carboxylic acid, and the remainder of the carboxyl groups is bound through the metal cross-linking agent, such as zinc oxide. Glove thickness is 0.050.15 mm, its manufacturing swelling ratio is 240-320, glove tensile stress is 22-35 MPa, elongation to break is 480-620%, and tensile stress at 500% glove elongation is 15-35 MPa. EFFECT: according to the invention, the glove is characterized by the lack of stickiness on the surface which contacts the user's hand, and the glove surface that is in contact with an object during operation, is smooth, metal or metallic salt contained in the glove as contaminants are removed, and the content of metal, metal salt and anion is reduced. 4 cl, 16 dwg, 21 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 637 243 C2 (51) МПК C08J 5/02 (2006.01) C08L 13/02 (2006.01) C08L 33/20 (2006.01) A41D 19/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2013119850, 30.09.2011 (24) Дата начала отсчета срока действия патента: 30.09.2011 Дата регистрации: (73) Патентообладатель(и): КОССАН Эс-Ди-Эн Би-Эйч-Ди (MY), МИДОРИ АНЗЕН КО., ЛТД (JP) Приоритет(ы): (30) Конвенционный приоритет: 30.09.2010 JP 2010-221263 (45) Опубликовано: 01.12.2017 Бюл. № 34 (56) Список документов, цитированных в отчете о поиске: WO 03/006513A1,23.01.2003. СПРАВОЧНИК РЕЗИНЩИКА под ред. П.И.ЗАХАРЧЕНКО И ДР., М.,Химия,1971,с.132-133. US 5910533 A,01.08.1999. EP 455523 A3,06.11.1991. RU 2358626 C2,20.06.2009. (85) Дата ...

ЛАТЕКС И ФРИКЦИОННЫЙ МАТЕРИАЛ

FIELD: chemistry. SUBSTANCE: invention relates to latex of nitrile rubber containing carboxyl groups, containing α,β-ethylenically unsaturated nitrile monomer link in amount of 8 wt % to 60 wt % and with iodine number of 120 or less, wherein total content of potassium and sodium in latex is from 2300 to 10000 wt ppm with respect to the entire latex, as well as a latex composition for friction material containing said latex and thermosetting resin. EFFECT: latex and friction material are disclosed. 6 cl, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 731 178 C2 (51) МПК C08L 13/02 (2006.01) C08K 3/00 (2006.01) C08L 101/00 (2006.01) C09K 3/14 (2006.01) F16D 13/62 (2006.01) F16D 69/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08K 3/00 (2020.02); C08L 101/00 (2020.02); C08L 13/02 (2020.02); C09K 3/14 (2020.02); F16D 13/62 (2020.02); F16D 69/02 (2020.02) (21)(22) Заявка: 2018132883, 16.03.2017 16.03.2017 (73) Патентообладатель(и): ЗЭОН КОРПОРЕЙШН (JP) Дата регистрации: 31.08.2020 Приоритет(ы): (30) Конвенционный приоритет: 23.03.2016 JP 2016-058343 (43) Дата публикации заявки: 23.04.2020 Бюл. № 12 (45) Опубликовано: 31.08.2020 Бюл. № 25 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 23.10.2018 JP 2017/010737 (16.03.2017) (87) Публикация заявки PCT: 2 7 3 1 1 7 8 WO 2017/164076 (28.09.2017) R U 2 7 3 1 1 7 8 (56) Список документов, цитированных в отчете о поиске: JP 60-184533 A, 20.09.1985. JP 8100082 A, 16.04.1996. JP 2010-144081 A, 01.07.2010. JP 2010-100749 A, 06.05.2010. SU 251204 A1, 08.05.1970. SU 1481240 А1, 17.03.1986. R U (24) Дата начала отсчета срока действия патента: (72) Автор(ы): ИНОУЭ Саяка (JP) Адрес для переписки: 101000, Москва, Центр, а/я 732, "Агентство ТРИА РОБИТ", Вашиной Г.М. (54) ЛАТЕКС И ФРИКЦИОННЫЙ МАТЕРИАЛ (57) Реферат: Изобретение относится к латексу содержащего карбоксильные группы нитрильного каучука, содержащего α,β-этиленненасыщенное ...

ОГНЕСТОЙКАЯ РЕЗИНОВАЯ СМЕСЬ

Изобретение относится к огнестойкой резиновой смеси и может быть использовано в нефтедобывающей, нефтеперерабатывающей, горнодобывающей и резинотехнической промышленности. Огнестойкая резиновая смесь содержит изопреновый и бутадиеновый каучуки, серу, сульфенамид Ц, оксид цинка, оксид магния, парафин, нафтам-2, диафен ФП, технический углерод, N-нитрозодифениламин, хлорпарафин, триоксид сурьмы, гидроксид алюминия. Технический результат - улучшение огнестойкости и физико-механических свойств, а именно, прочности при растяжении, эластичности по отскоку. 2 табл.

Активный наполнитель на основе фуллеренов и отходов электрометаллургического производства

СПОСОБ ИЗГОТОВЛЕНИЯ ПЕРЧАТОК, ПЕРЧАТКА И ЭМУЛЬСИОННАЯ КОМПОЗИЦИЯ ДЛЯ ИЗГОТОВЛЕНИЯ ПЕРЧАТОК

FIELD: clothes. SUBSTANCE: invention relates to a method of making a glove, wherein said method comprising: (1) a step of immersing the glove form into a liquid coagulant containing calcium ions, such that said coagulant can adhere to said glove form; (2) a step of adjusting pH to 9 or higher using an ammonium compound or an amine compound and leaving an emulsion composition for making gloves which has the composition described below, while stirring; (3) a dipping stage, on which said glove form is immersed, to which on said step (1) said coagulant is adhered, into said emulsion composition for making gloves; (4) a gelation step, on which said glove form is left, to which said emulsion composition for making gloves is adhered, at such temperature for such period, which satisfy the following conditions: temperature and period, which enable said calcium ions contained in said coagulant to penetrate into the elastomer contained in said emulsion composition for making gloves, and thereby cause gelation, without causing reverse conversion of ammonium salts of said elastomer contained in said emulsion composition for making gloves into carboxyl groups and without causing the opening of a hydrophilic segment of polycarbodiimide; (5) a leaching stage, wherein impurities are removed from a precursor of the cured film formed on said glove form; (6) a flanging step, at which after the said leaching step, the cup-like section of the obtained glove is unwound; (7) a pre-curing step of heating and drying said cured film precursor after said flanging step; and (8) a curing step of heating said precursor of the cured film to obtain a cured film, wherein said heating is performed at such temperature during such period, which are sufficient, that said ammonium salts of said elastomer again turned into carboxyl groups, carbodiimide groups of said polycarbodiimide are opened, and said carboxyl groups of said elastomer are reacted with said carbodiimide groups, wherein steps (3) - (8) ...

СПОСОБ ПОЛУЧЕНИЯ ЛАТЕКСНОЙ КОМПОЗИЦИИ

Изобретение относится к полимерным композициям на основе бутадиенстирольного латекса, которые используются для заключительной отделки ворсопрошивных ковровых изделий. С целью стабилизации латексной композиции первоначально осуществляют размучивание каолина в воде в теч. 30 - 60 мин до получения однородной суспензии при следующем соотношении 1 : 1 - 1,25 после чего при перемешивании вводят латекс БСК 70/2, при этом введение латекса осуществляется двумя порциями, одну равную весу каолина вводят на стадии смешения до образования тиксотропного геля, другую оставшуюся порцию латекса вводят вместе с гидроксидом калия, перемешивают и вводят антивспениватель и при последующем перемешивании вводят костный клей при следующем составе в мас.%: латекс БСК 70/2 - 100 мас. ч. сухого вещества латекса, едкое кали 10%-й раствор 0,1 - 0,2; каолин 80 - 120; антивспениватель БА 0,3 - 0,5; клей костный 20%-й раствор 1 - 2; вода - остальное.

ПОЛИМЕРНАЯ ГЛИНА ДЛЯ ХУДОЖЕСТВЕННОГО МОДЕЛИРОВАНИЯ

Полимерная глина для художественного моделирования, включающая крахмал, латекс карбоксилсодержащего сополимера (или его смесь с латексами других сополимеров) в качестве связующего, смесь глицерина и его сложных эфиров с карбоновыми кислотами в качестве пластификатора (при необходимости), консервант бензоат натрия (при необходимости), краситель (при необходимости), при следующих соотношениях компонентов, мас. %: ...

СПОСОБ ПРОПИТЫВАНИЯ ТЕКСТИЛЬНОГО ПРОДУКТА, ФРИКЦИОННЫЕ МАТЕРИАЛЫ, ВКЛЮЧЕННЫЕ В ТЕКСТИЛЬНЫЙ ПРОДУКТ, НАМОТОЧНАЯ ОБЛИЦОВКА МУФТЫ

Текстильные ткани, пряжу и корды пропитывают каучуком, смолой и микрочастицами материалов путем погружения в водную дисперсию, содержащую водный каучуковый латекс, смолу и микрочастицы материала, дисперсия, кроме того, содержит очень незначительное количество водорастворимого силиката, например силиката натрия. После сушки продукты можно использовать в качестве усилителя для резинотехнических изделий и фрикционных материалов, например для облицовки муфт и т.д.

Способ получения смесей на основе синтетических латексов

Пропиточный состав на основе латексов и резорцинформальдегидной смолы для крепления резин к текстильным материалам

Способ крепления текстильных материалов к резине

Термопластичная композиция

POLYMERE MIT HARTUNGSSYSTEM

Flammhemmende Latexmischung

Elastomeric gloves

Improvements in or relating to Aqueous Compositions for Pigment Coating Permeable Substrates.

... 1,182,253. Coated paper. DOVERSTRAND Ltd. 23 March, 1967 [25 March, 1966], No. 13379/66. Heading B2E. [Also in Division C3] Paper is coated with a composition comprising pigment, e.g. clay, and as binder a blend of a latex of a copolymer which is non-alkalisoluble and a latex of an alkali-soluble copolymer which is either a copolymer of a major proportion of vinyl acetate and a minor proportion of an ethylenically unsaturated carboxylic acid with or without one or more other monomers, or a copolymer of butadiene, an ethylenically unsaturated carboxylic acid in an amount of at least 10% by weight of the polymer, and at least one other monomer. In the examples the binder is a mixture of a butadiene-styrene-methacrylic acid (45%)- fumaric acid (2%) copolymer with either a butadiene-styrene-itaconic acid (3%) or butadiene-methyl methacrylate-itaconic acid (3.5%) copolymer, or a mixture of vinyl acetatecrotonic acid copolymer and butadiene-styrene-fumaric acid (2%) copolymer. The compositions ...

Improved paper coating composition

A paper coating composition comprises a neutral or alkaline aqueous slurry of a paper-coating grade mineral pigment and a dispersed hydrophilic elastomeric resin, the resin being a thermoplastic polymer prepared by emulsion polymerization of 34 to 46% of a conjugated 1-3-diolefin, 19 to 34% of a vinyl aromatic monomer 1 to 15% of an acrylonitrile and 10 to 18% of an alpha-beta-unsaturated carboxylic acid. Specified diolefins are butadiene, piperylene, isoprene, hexadiene, chloroprene and chloropentadiene, specified aromatics are styrene vinyl toluene, p-ethylstyrene, p-chlorostyrene, and 2-4 dichlorostyrene specified "nitriles" are methacrylonitrile and alpha-butylacrylonitrile while alpha-chloro-acrylic acid, ataconic acid, fumaric acid, maleic acid, citraconic acid and teraconic acid are specified acids. Conventional emulsion polymerization technique is employed.ALSO:Paper is coated with a composition comprising a neutral or alkaline aqueous slurry of a paper-coating grade mineral pigment ...

Coated Fabrics

... 1,178,679. Laminates. DEERING MILLIKEN Ltd. 14 Dec., 1967 [14 Dec., 1966], No. 56026/66. Heading B5N. [Also in Divisions C3 and D1] A laminate is prepared from several layers of woven nylon fabric which has been impregnated with an aqueous composition comprising an uncondensed or partially condensed mixture of resorcinol, formaldehyde and an activator therefor, a carboxylated butadiene-acrylonitrile rubber, and an externally plasticized polyvinylchloride, e.g. with dioctyl phthalate and then coated with a paste composition consisting of P.V.C., plasticizers, e.g. trixylyl phosphate and dialphanyl phthalate, antistatic agent, pigment, liquid nitrile rubber, and lead sulphate or white lead. The outer surfaces are then coated with polyvinyl chloride sheet and then vulcanized and fused in a press. The product is suitable for conveyer belting.

LATEXGEBUNDENE FIRE PROTECTION MASS

RUBBER COMPOSITION FOR THE PRODUCTION OF GLOVES WITH LINKED LATTICE STRUCTURE

LATEX OF A SYNTHETIC POLYMER AND PROCEDURE FOR THE PRODUCTION OF A COATED PAPER WITH LOW GLOSS WITH APPLICATION OF THE LATEX.

CATCH SEALS FOR CONTAINERS.

LATEX AND MIXTURES OF FLUORINE-CONTAINING ACRYLIC AND METHACRYLLATEX

LATEXGEBUNDENE BRANDSCHUTZMASSE

Mixtures, compositions, and methods of applying mixtures as coatings

Mixtures are provided that can include: latex polymer; antifoam; surfactant; plasticizer; ether; f ungicide; glycol; and liquid stabilizer. Mixtures comprising: glycol; antioxidant; and defoamer. Compositions are provided that can include: a substrate; and a mixture over the substrate, the mixture comprising one or more of : latex polymer; antifoam; surfactant; plasticizer; ether; fungicide; glycol; liquid stabilizer; and antioxidant. Vehicle tires are provided. Plastic vehicle components are provided. Substrate treatment methods are provided that can include applying compositions to the substrate, the compositions comprising one or more of: latex polymer; antifoam; surfactant; plasticizer; ether; fungicide; glycol; liquid stabilizer; and antioxidant. Vehicle tire treatment methods are provided. Vehicle component treatment methods are provided.

Elastomeric articles, compositions, and methods for their production

This application relates to synthetic elastomeric articles, and gloves in particular, comprising the cured product of a synthetic latex composition, the synthetic latex composition comprising a synthetic carboxylated polymer and a cross-linking composition, the cross- linking composition comprising an aqueous solution of a negatively charged multivalent metal complex ion having a pH of at least 9.0. Also described are compositions for forming the articles, and methods for making the articles, based on the use of the described cross- linking composition. The articles so produced have an average thickness of 0.2mm or less and a modulus at 500% of less than 6.5 MPa.

MIXTURES, COMPOSITIONS, AND METHODS OF APPLYING MIXTURES AS COATINGS

Mixtures are provided that can include: latex polymer; antifoam; surfactant; plasticizer; ether; f ungicide; glycol; and liquid stabilizer. Mixtures comprising: glycol; antioxidant; and defoamer. Compositions are provided that can include: a substrate; and a mixture over the substrate, the mixture comprising one or more of : latex polymer; antifoam; surfactant; plasticizer; ether; fungicide; glycol; liquid stabilizer; and antioxidant. Vehicle tires are provided. Plastic vehicle components are provided. Substrate treatment methods are provided that can include applying compositions to the substrate, the compositions comprising one or more of: latex polymer; antifoam; surfactant; plasticizer; ether; fungicide; glycol; liquid stabilizer; and antioxidant. Vehicle tire treatment methods are provided. Vehicle component treatment methods are provided.

METHOD OF MANUFACTURING GLOVES, GLOVE, AND EMULSION COMPOSITION FOR GLOVES

Provided is a method of manufacturing gloves, the method comprising: (1) a step for immersing a glove form in a liquid solidifying agent containing calcium ions so that the solidifying agent adheres to the glove form; (2) a step for adjusting pH to at least 9 using an ammonium compound or an amine compound, and allowing an emulsion composition for gloves to stand while being agitated; (3) a dipping step in which the glove form to which the solidifying agent was adhered in step (1) is immersed in the emulsion composition for gloves; (4) a gelling step in which the glove form to which the emulsion composition for gloves has been adhered is allowed to stand at a temperature and for a length of time satisfying specific conditions; (5) a leaching step for removing impurities from a cured film precursor formed on the glove form; (6) a beading step for forming a bead on a cuff part of the glove after the leaching step; (7) a precuring step for heating and drying the cured film precursor that has ...

LATEX COMPOSITIONS AND APPLICATIONS THEREOF

In one aspect, latex compositions are described herein exhibiting desired water repellencies. Briefly, a latex composition comprises an elastomeric component, a wax component and an inorganic filler component, wherein percent solids of the latex composition is at least 50. In some embodiments, the percent solids is 75 to 85. Additionally, the elastomeric component can comprise at least one of a polyisoprene and polymer based on 1,3 dienes.

WATER-REDISPERSIBLE POLYMER POWDER

Polymer powders comprising in copolymerized form a) one or more vinyl aromatic comonomers, b) one or more 1,3-diene comonomers, c) from 0.1 to 15 percent, based on the total comonomer weight, of one or more comonomers selected from the group consisting of ethylenically unsaturated mono- and dicarboxylic acids and their salts, wherein at least 75 percent of the total number of carboxylic groups present in the polymer are located at the surface of the polymer particles in the powder and at least 75 percent of the carboxylic groups located at the surface of the polymer particles in powder are present in their salt form, and d) from 0 to 40 percent, based on the total comonomer weight, of one or more additional comonomers have an excellent redispersibility in water.

SOFT NITRILE RUBBER FORMULATION

Nitrile rubber compositions, articles of manufacture made therefrom, and methods of making them, are disclosed. The nitrile rubber compositions of the invention are substantially free of zinc oxide, and have good strength and chemical resistance while being softer than many conventional nitrile rubbers. The invention provides articles of manufacture, including gloves, which are soft, yet strong, and can be economically manufactured.

Latex d'élastomère et procédé pour sa préparation

Liant destiné à être utilisé pour le couchage pigmentaire d'un support perméable

Uberzogener Schichtträger und Verfahren zu dessen Herstellung

Paper prodn. using fibrous binder - obtd. by flocculating carboxylic polymer with cationic polymeric flocculant and acidification

In prodn. of a fibrous fleece, using a fibrous binder, (a) a latex of >=1 polymer contg. free COOH gps., opt. mixed with a polymer free from COOH gps., with the latex contg. 0.02-10 wt. % COOH gps. w.r.t. polymer, is mixed with (b) an aq. soln. of a cationic polymeric flocculant at pH 6-9; and (c) after is not > 60 minutes, the finely divided particles are converted to fine fibrous particles by stirring and adjusting the pH to 2-4; the solids content of the mixt. is brought to a final value of 0.01-10 (0.1-5) wt.%. A fibrous binder with high retention is obtd. without the used of high shearing forces and by simple acidification, without addn. of polyvalent metal ions. Paper with high wet strength is obtd. No post-treatment of the paper is needed.

Bindemittel für Papierstreichmassen

LUBRICANT FOR THE NON-CUTTING DEFORMATION OF STEEL.

A METAL-POLYMERIC COMPOSITE AS RUBBER COMPOUNDS SULPHUR VULCANIZATION ACTIVATOR

ПРОЦЕС ВИГОТОВЛЕННЯ ЕЛАСТОМЕРНОЇ КОМПОЗИЦІЇ

Процес виготовлення еластомерної композиції належить до органічної хімії, зокрема до одержання пластифікаторів і каучукогенів-еластомерів для застосування в гумотехнічній і шинній промисловості. Процес включає завантаження в реактор, що обігрівається, полімеризату і наповнювачів у вигляді полістиролу і здрібненої гумової крихти при обраних їхніх пропорціях, здійснюють перемішування завантаження в нагрітому стані до одержання гомогенної маси, охолодження реактора до 60 °С і вивантаження кінцевого продукту.

ГУМОВА СУМІШ

Гумова суміш містить силоксановий каучук, аеросил, поліетилен низького або високого тиску, оксид цинку або діоксид титану, синтетичний каучук теплостійкий низькомолекулярний, пасту перекису 2,4-дихлорбензоїлу, суміш α, ω - олігодиметилсилоксанів, олігомерних ефірів ортокремнієвої кислоти і (2,21 метиленбіс) 4-метил-6-третбутилфенолу.

Fire retardant composition and application thereof

The invention discloses a fire retardant composition and its application. The fire retardant composition is composed of the following ingredients, by weight, 55-90% of 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 8-40% of pentaerythrityl phosphate and 0.5-10% of magnesium oxide. The composition can be applied in preparation of halogen-free fire-retardant ethylene propylene terpolymer. The fire retardant provided by the invention has advantages of small filling number, large oxygen index, high vertical burning level and low smoke density. The fire retardant can be used to prepare a low-hardness halogen-free fire-retardant ethylene propylene rubber material with hardness being less than 50 degrees. Meanwhile, as the fire retardant is a white powder and contains no carbon black or red phosphorus, etc., the fire retardant is convenient for preparation of colored fire-retardant rubber.

Reactive composite waterproof sealant containing isocyanate bridging agent and preparation method thereof

Writing duplicating paper

The invention discloses a writing duplicating paper. The writing duplicating paper is prepared from 6-10 parts by weight of sodium carboxymethylcellulose, 14-22 parts by weight of melamine formaldehyde resin, 3-9 parts by weight of carboxylic butadiene-styrene latex, 4-8 parts by weight of kaolin, 1-3 parts by weight of sodium saccharin, 2-4 parts by weight of magnesium chloride, 7-9 parts by weight of mica, 5-9 parts by weight of bamboo charcoal powder, 2-4 parts by weight of soybean oil, 7-10 parts by weight of aluminum sulfate, 6-8 parts by weight of polyethylene glycol, 2-7 parts by weight of hydroxypropyl methyl cellulose, 3-5 parts by weight of benzotriazole, 3-8 parts by weight of aliphatic acid, 4-9 parts by weight of p-phenylenediamine, 2-6 parts by weight of boric acid and 2-5 parts by weight of honey. The writing duplicating paper has the advantages of smooth writing, tensile resistance and difficult paper jam.

Medium-voltage cable insulating material and preparation method thereof

Stabilized redispersible polymer powder compositions

A water redispersible polymer powder may be produced by drying an aqueous mixture of a water insoluble film-forming polymer and a colloidal stabilizer comprising a chelating agent to obtain a water redispersible polymer powder, where the amount of chelating agent is at least 0.1% by weight, preferably at least 1% by weight, most preferably at least 3% by weight, based upon the weight of the water insoluble film-forming polymer. Dispersions or polymer compositions containing a chelating agent as a colloidal stabilizer exhibit an unexpectedly low viscosity which facilitates spray drying and permits use of high solids content dispersions with low pressure spray drying to increase production efficiency. The chelating agents are stable at high pH and so high pH spray dryable compositions containing them as a colloidal stabilizer may sit or be stored for prolonged periods of time prior to spray drying without loss of effectiveness of the colloidal stabilizer.

PROCESS FOR MAKING PAPER CONTAINING LATEX WITH CARBOXYL GROUP

AQUEOUS COMPOSITIONS FOR BED OF PAPERS AND PAPERBOARDS FOR IMPRESSION IN PHOTOGRAVURE

FLOOR MAT FIXING BY ADHESION.

METHOD FOR PRODUCTION mORE LOWVISCOUSLY, mORE AQUEOUS, [...]sYNTHETIC RUBBER - dISPERSIONS

AQUEOUS SYNTHETIC RESIN DISPERSIONS, THEIR USE AS BINDERS IN THE ADHESIVE COMPOSITIONS AND ADHESIVE COMPOSITIONS OBTAINED

Adhesive compositions, their methods of preparation and their uses

Synthetic rubber products having a better aptitude for washing

Composition of bed for papers, and adhesive composition for its realization

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

METHOD FOR PREPARING a LATEX HAS CHEMISTRY OF SURFACE MODIFIEE, the LATEXSUSCEPTIBLE TO BE OBTAINED BY THIS PROCESS AND ITS USES IN the FIELD OF LACONSTRUCTION

? LATEX COMPOSITION, MOLDED FILM, AND, METHOD FOR PRODUCING A MOLDED PRODUCT DIP?

AQUEOUS DISPERSIONS OF SYNTHETIC RESINS AND ADHESIVE COMPOSITIONS

CROSSLINKING AGENT FOR DIP MOLDING, COMPOSITION FOR DIP MOLDING AND GLOVE

The first problem addressed by the present invention is to produce a glove having excellent tensile strength, elongation and fatigue endurance with use of a halohydrin crosslinking agent, which has not been used in the field of conventional external crosslinking agent-type gloves, while using no vulcanization accelerator. The second problem addressed by the present invention is to produce a glove having excellent stress retention ratio and good elongation at the same time, while ameliorating weaknesses of conventional sulfur-vulcanized XNBR gloves. A crosslinking agent for dip molding, which contains a halohydrin compound having at least two halohydrin groups D represented by formula (I) in each molecule. In formula (I), R1 represents a hydrogen atom or an alkyl group; and X represents a halogen group.

CARBOXYLIC ACID-MODIFIED NITRILE-BASED COPOLYMER LATEX, LATEX COMPOSITION FOR DIP MOLDING COMPRISING SAME, AND MOLDED ARTICLE FORMED THEREFROM

The present invention relates to a latex composition for dip molding and provides a latex composition for dip molding, and a molded article, the latex composition including a carboxylic acid-modified nitrile-based copolymer latex satisfying general formula 1 (see specification), wherein the carboxylic acid-modified nitrile-based copolymer comprises: 15-30 wt% of an ethylenically unsaturated nitrile-based monomer-derived unit; and 2.5-4.5 wt% of an ethylenically unsaturated acid monomer-derived unit.

FLAMEPROOF POLYAMIDE MOULDING COMPOUNDS CONTAINING MELAMINE CYANURATE AND PRETREATED FIBROUS FILLERS

The invention concerns flameproof thermoplastic moulding compounds comprising: A) 40 to 98 wt.% of a thermoplastic polyamide; B) 1 to 40 wt.% of a melamine cyanurate; C) 1 to 50 wt.% of a fibrous filler pretreated with a silane compound and having an average arithmetical fibre length (d50 value) of between 70 and 200 'mu'm or a needle-shaped mineral filler or mixtures thereof; and D) 0 to 30 wt.% of further additives and processing aids. The weight percentages of components A) to D) total 100 %.

LATEX COMPOSITION CONTAINING CROSSLINKING AGENT AND CROSSLINKED MOLDED BODY THEREOF

Disclosed is a carboxylated polymer latex composition which is characterized by containing a carboxylated polymer latex and an organic metal crosslinking agent having two or more hydroxy groups bonded to an aluminum atom or a titanium atom. Also disclosed are a crosslinked molded body of such a carboxylated polymer latex composition, and a crosslinked molded body whose surface is treated with a carboxyl group blocking agent.

Latex Composition for Dip Molding, Molded Article Molded from Latex Composition for Dip Molding, and Method of Producing Molded Article

A dip-molded article includes an external molded layer and internal molded layer. The external molded layer includes a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 35 wt % to 60 wt %, and the internal molded layer in which a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 10 wt % to 28 wt %. 1. A dip-molded article comprising:an external molded layer in which a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 35 wt % to 60 wt %; andan internal molded layer in which a content of an ethylenically unsaturated nitrile-based monomer-derived repeating unit is 10 wt % to 28 wt %.2. The dip-molded article of claim 1 , wherein each of the external molded layer and the internal molded layer further includes a conjugated diene-based monomer-derived repeating unit and an ethylenically unsaturated acid monomer-derived repeating unit.3. The dip-molded article of claim 2 , wherein a content of the conjugated diene-based monomer-derived repeating unit included in the external molded layer is 30 wt % to 65 wt % claim 2 , and a content of the ethylenically unsaturated acid monomer-derived repeating unit included in the external molded layer is 0.1 wt % to 10 wt %.4. The dip-molded article of claim 2 , wherein a content of the conjugated diene-based monomer-derived repeating unit included in the internal molded layer is 60 wt % to 90 wt % claim 2 , and a content of the ethylenically unsaturated acid monomer-derived repeating unit included in the internal molded layer is 0.1 wt % to 10 wt %.5. The dip-molded article of claim 1 , wherein a ratio of a thickness of the external molded layer and a thickness of the internal molded layer is 1:9 to 9:1.6. The dip-molded article of claim 1 , wherein a ratio of a thickness of the external molded layer and a thickness of the internal molded layer is 1.5:1 to 2.5:1.7. A method of producing a dip-molded article claim 1 , ...

Fluorinated acrylic and methacrylic latices and mixtures thereof, processes for manufacturing them and their applications in the field of hydrophobic coatings

This fluorinated (meth)acrylic latex consists of a dispersion of particles or of a mixture of dispersions of particles, these dispersions being obtained by emulsion polymerization in an aqueous medium, in at least one stage, wherein one more perfluorinated monomer(s) of formula (I) has/have been used as sole fluorinated comonomer(s) for the formation of the particles, and which is/are distributed statistically in particles formed in one stage or distributed statistically in the shell of structured particles of the core-shell or core-intermediate layer(s)-shell type resulting from a polymerization in two stages and in more than two stages, respectively, the said latex consisting of a dispersion of the said structured particles or of a mixture of at least one dispersion of the said fluorinated structured particles and/or at least one dispersion of the said fluorinated statistical particles and at least one dispersion of unfluorinated statistical particles, the monomer or monomers of formula ...

Latexes and blends of fluorinated acrylic and methacrylic latexes

Fluorinated polymer latex compsns. Fluorinated polymer latices comprise an aq. dispersion of core-shell polymer particles formed by emulsion polymerisation in an aq. medium, opt. mixed with similarly formed dispersions of unitary fluorinated polymer particles and/or unitary nonfluorinated polymer particles, provided that fluoroalkyl (meth)acylates of formula H2C(R1)C=C-CO-O-(CH2)n-R2 (I) (R1 = H or Me; R2 = 1-10 C perfluoroalkyl; and n = 1-4) are the sole fluorinated monomers used, constitute less than 80 wt.% of the shell of the core-shell particles and constitute 1.8-20 wt.% of the total monomers used.

ELASTOMERIC GLOVES

An elastomeric carboxylated nitrile rubber glove has a stress retention, after six minutes at 100 % extension, of from 50 % to 70 %. It is made using prevulcanised carboxylated nitrile rubber latex with 2 to 6 % by weight methacrylic acid equivalent.

Elastomeric film products with improved chemical resistance

PREPARATION OF CO-PRECIPITATE FROM RUBBER LATEX

PURPOSE: To prepare a co-precipitate of a rubber with a filler by adding coprecipitants, e.g. water-glass, etc., to a slurry comprising SBR or NBR latex, a non-reinforcing filler and a nonion surface active agent. COPYRIGHT: (C)1978,JPO&Japio ...

РУЛОННЫЙ ТЕПЛОИЗОЛЯЦИОННЫЙ СТЕКЛОПЛАСТИК

Сущность изобретения: рулонный теплоизоляционный стеклопластик включает стеклянную ткань и полимерное связующее, в качестве которого используется водный латекс карбоксилатного бутадиеннитрильного каучука, связующее содержит также аэросил, каолин, трехокись сурьмы, полиэпихлоргидрин и дицианэтилтриэтилентетрамин, при следующем соотношении компонентов, мас.ч. латекс карбоксилатного бутадиеннитрильного каучука (40% по сухому остатку) 100, аэросил 1,0 0,1, каолин 100 200, трехокись сурьмы 2 8, полиэпихлоргидрин 4 16, дицианэтилтриэтилентетрамин 1 4, стеклянная ткань 300 500. 3 табл.

СПОСОБ ИЗГОТОВЛЕНИЯ ДРЕВЕСНО-СТРУЖЕЧНЫХ ПЛИТ

Использование: в деревообрабатывающей, мебельной и строительной промышленностях. Сущность: способ включает смещение древесных частиц с комбинированным связующим на основе карбамидоформальдегидной смолы и бутадиентирольного латекса типа "Булекс-65", отверждаемым хлористым аммонием, формирование ковра и горячее прессование. Перед смешением древесных частиц со связующим в карбамидоформальдегидную смолу вводят клеевую латексную композицию на основе бутадиентирольного карбоксилатного латекса типа БС-70.2, а также активный наполнитель-аэросил и отвердитель в соотношении, мас.%.: смола 61,8-75,0, клеевая латексная композиция - 21,4-27,4, аэросил - 2,0-10,0, отвердитель 0,8-1,6. Плиты по выделению формальдегида соответствуют классу 1, а по физико-химическим показателям соответствуют ГОСТ 10632-89. 1 табл.

ДВУХКОМПОНЕНТНАЯ ПОЛИМЕРНАЯ КОМПОЗИЦИЯ

... 1. Упаковка, содержащая компоненты А и В, где компонент А содержит Ai) раствор или дисперсию, включающую первый полимер, содержащий звенья, имеющие гидроксильные группы; и второй полимер, содержащий звенья, имеющие ацетатные группы; и Aii) третий полимер полученный из необязательно замещенного стирольного мономера, указанный третий полимер, включающий звенья, содержащие карбоксильные группы; и компонент В включает Bi) полифункциональный азиридиновый сшивающий агент, способный сшиваться с, по крайней мере, одной карбоксильной группой и, по крайней мере, одной гидроксильной группой. 2. Упаковка по п. 1, где компонент (А) дополнительно включает наполнитель выбранный из карбоната кальция, талька, двуокиси кремния и каолина. 3. Упаковка по любому из предыдущих пунктов, где Ai) представляет раствор или дисперсию, которые содержат поливиниловый спирт. 4. Упаковка по п. 3, где (Ai) представляет дисперсию, которая включает гомополимер винилацетат или сополимер и/или этилен-винилацетатный сополимер ...

Полимерная композиция на основе бутадиен-стирольного латекса

Клеевая композиция на основе бутадиенкарбоксилатного латекса

Терморасширяющаяся противопожарная масса, противопожарный слоистый материал, способ приготовления терморасширяющейся противопожарной массы и способ приготовления противопожарного слоистого материала

Сущность изобретения: терморасширя- ющаяся противопожарная масса содержит 25-57 мас.% вспучивающегося графита, 5- 25 мас.% в расчете на твердое вещество хлоропренового латекса на водной основе, являющегося сополимеризатом хлоропрена и акриловой или метакриловой кислоты с содержанием карбоксильных групп, по крайней мере, 0,3 моля на 1 кг твердого вещества латекса, 5-25 мас,% водной основы латекса и 3-25 мас.% вещества, выбранного из группы, включающей целлюлозу или ее производное, фенолформзльдегидную смолу, полифурфурилозый спирт, полиимиды , и получается путем гомогенного смеще- нмя компонентов. Противопожарный слоистый материал содержит вышеописанную противопожарную массу, нанесенную на подложку, представляющую собой пленку или нетканый материал и, возможно, покровный слой, которым ламинируют противопожарную массу. 4 с. и 3 з.п. ф-лы, 4 табл. (Л ...

Beschichtete Textilerzeugnisse

Flammgeschützte thermoplastische Formmassen

The invention concerns flameproof thermoplastic moulding compounds comprising: A) 40 to 98 wt.% of a thermoplastic polyamide; B) 1 to 40 wt.% of a melamine cyanurate; C) 1 to 50 wt.% of a fibrous filler pretreated with a silane compound and having an average arithmetical fibre length (d50 value) of between 70 and 200 mu m or a needle-shaped mineral filler or mixtures thereof; and D) 0 to 30 wt.% of further additives and processing aids. The weight percentages of components A) to D) total 100 %.

FLAME-PROTECTED PA MOLDING MATERIALS, CONTAINING MELAMINCYANURAT AND PRE-TREATED ONE, FASERFÖRMIGE FILLERS

COMPOSITIONS SUITABLY FOR THE PRODUCTION OF ELASTOMERS ARTICLES

IN COATING MASSES AS BINDERS USED POLYMER COMPOSITIONS AND OF IT MAKING COATING MASSES.

LUBRICANT FOR THE NON-CUTTING DEFORMATION OF STEEL.

PROCEDURE FOR THE PRODUCTION OF A PAINTED PAPER AND LATEXZUSAMMENSETZUNG FOR THE EXECUTION OF THE PROCEDURE

FLEXIBLE GLOVES

ELASTOMER MATERIAL FOR RUBBER ARTICLES

POLYMERIC COMPOSITIONS USEFUL AS BINDERS IN COATING COLORS AND COATING COLORS PREPARED THEREFROM

LATEX-BOUND FIREPROOFING MATERIAL

Latex compositions and applications thereof

In one aspect, latex compositions are described herein exhibiting desired water repellencies. Briefly, a latex composition comprises an elastomeric component, a wax component and an inorganic filler component, wherein percent solids of the latex composition is at least 50. In some embodiments, the percent solids is 75 to 85. Additionally, the elastomeric component can comprise at least one of a polyisoprene and polymer based on 1,3 dienes.

COMPOSITIONS OF POLYMERIC MATERIALS

POLYMER MICROPARTICLE-DISPERSED RESIN COMPOSITION AND METHOD FOR PRODUCING SAME

The present invention provides a means for improving the elastic modulus (rigidity), heat resistance, toughness, and impact resistance of a resin to provide these properties in a good balance. The present invention provides a polymer microparticle-dispersed resin composition containing 100 parts by weight of a resin and 0.1 to 150 parts by weight of polymer microparticles each containing at least two layers: a crosslinked polymer layer and a coating polymer layer, the resin composition having a particle dispersity of the polymer microparticles in the resin of not lower than 50%, the crosslinked polymer layer including 50% by weight to 99% by weight of at least one monomer having a Tg, as determined as a homopolymer, of not lower than 0° C., and 50% by weight to 1% by weight of at least one monomer having a Tg, as determined as a homopolymer, of lower than 0° C. 1. A polymer microparticle-dispersed resin composition , comprising:100 parts by weight of a resin; and0.1 parts by weight to 150 parts by weight of polymer microparticles each comprising at least two layers including a crosslinked polymer layer and a coating polymer layer,the resin composition having a particle dispersity of the polymer microparticles in the resin of not lower than 50%,the crosslinked polymer layer comprising 50% by weight to 99% by weight of at least one monomer having a Tg, as determined as a homopolymer, of not lower than 0° C., and 50% by weight to 1% by weight of at least one monomer having a Tg, as determined as a homopolymer, of lower than 0° C.2. The polymer microparticle-dispersed resin composition according to claim 1 ,wherein the crosslinked polymer layer comprises at least a crosslinked polymer layer comprising not less than 60% by weight of the monomer having a Tg, as determined as a homopolymer, of not lower than 0° C., and a crosslinked polymer layer comprising not less than 60% by weight of the monomer having a Tg, as determined as a homopolymer, of lower than 0° C.3. The ...

PRODUCTION METHOD FOR DIP-MOLDED ARTICLE

A method for producing a dip-molded article, including a dip-molding step of dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene-based rubber (A) and a water-soluble metal compound (B) using a dip mold to form a dip-molded layer on the surface of the dip mold; a moisture content adjustment step of adjusting the moisture content of the dip-molded layer formed on the surface of the dip mold to 1 to 30 wt %; and a beading step of performing beading after the adjusting of the moisture content, the beading including peeling a portion of the dip-molded layer formed on the surface of the dip mold from the dip mold. 1. A method for producing a dip-molded article , comprising:a dip-molding step of dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene-based rubber (A) and a water-soluble metal compound (B) using a dip mold to form a dip-molded layer on the surface of the dip mold;a moisture content adjustment step of adjusting the moisture content of the dip-molded layer formed on the surface of the dip mold to 1 to 30 wt %; anda beading step of performing beading after the adjusting of the moisture content, the beading including peeling a portion of the dip-molded layer formed on the surface of the dip mold from the dip mold.2. The method for producing a dip-molded article according to claim 1 , further comprising:a cross-linking step of cross-linking the dip-molded layer after the beading; anda demolding step of removing the cross-linked dip-molded layer from the dip mold.3. The method for producing a dip-molded article according to claim 1 ,wherein the moisture content adjustment step includes a step of heating the dip-molded layer formed on the surface of the dip mold at 20 to 100° C. for 1 to 20 minutes.4. The method for producing a dip-molded article according to claim 1 ,wherein the moisture content adjustment step includes a step of heating the dip-molded layer formed on the ...

ACCELERATOR FREE AND HIGH FILLER LOAD NITRILE GLOVE

A formulation of nitrile glove made from carboxylated acrylonitrile butadiene elastomer comprising an aluminum and zinc oxide compound as a crosslinker and a metal ion stabilizer without sulfur and accelerator for decreasing type IV allergy risk and providing a cost down method of increasing filler loading ability of carboxylated acrylonitrile butadiene latex. 1. A nitrile glove made from a compounded carboxylated acrylonitrile butadiene latex mixture is not using sulfur and accelerators with a formulation comprising100.0 phr of carboxylated acrylonitrile butadiene elastomer,0.5-5.0 phr of an aluminate compound or a zinc oxide or their mixture acts as a metal ion crosslinker,0.2-2.5 phr of a chelating agent or a polyol compound or their mixture acts as a metal ion stabilizer,0.2-2.0 phr of an alkali salt compound acts as pH adjustor to adjust compounded carboxylated acrylonitrile butadiene latex mixture pH range to 9-11.2. A nitrile glove made from a compounded carboxylated acrylonitrile butadiene latex mixture is not using sulfur and accelerators with a formulation comprising100.0 phr of carboxylated acrylonitrile butadiene elastomer,0.5-5.0 phr of an aluminate compound or a zinc oxide or their mixture acts as a metal ion crosslinker,0.2-2.5 phr of a chelating agent or a polyol compound or their mixture acts as a metal ion stabilizer,0.2-2.0 phr of an alkali salt compound acts as pH adjustor to adjust compounded carboxylated acrylonitrile butadiene latex mixture pH range to 9-11.5.0-40.0 phr of a calcium carbonate or a silica or their mixture acts as a filler, 0.1-1.0 phr of a sodium arylsulfonic acid or a sodium polyacrylate or their mixture acts as a filler dispersing agent.3. According to claim 1 , wherein the carboxylated acrylonitrile butadiene elastomer comprising 20-40% acrylonitrile claim 1 , 52-76% butadiene claim 1 , 4-8% carboxylic acid by solid weight.4. According to claim 1 , where in the aluminum compound is aluminum oxide or aluminum hydroxide or ...

Latex Composition for Dip-Forming, Method for Preparing the Composition and Article Formed by the Composition

A latex composition for dip forming, and more particularly, to a latex composition for dip forming includes carboxylic acid-modified nitrile-based copolymer latex; and a phenolic emulsifier, wherein the phenolic emulsifier is included in an amount of 0.08 parts by weight to 6 parts by weight (based on a solid content) based on 100 parts by weight of the carboxylic acid-modified nitrile-based copolymer latex. A method for preparing the latex composition and a formed article produced using the latex composition are also provided. 1. A latex composition for dip forming , comprising:carboxylic acid-modified nitrile-based copolymer latex; anda phenolic emulsifier,wherein the phenolic emulsifier is included in an amount of 0.08 parts by weight to 6 parts by weight (based on a solid content) based on 100 parts by weight of the carboxylic acid-modified nitrile-based copolymer latex.3. The latex composition for dip forming of claim 2 , wherein R claim 2 , R claim 2 , and Rare each independently hydrogen claim 2 , or substituted or unsubstituted linear or branched alkyl having 1 to 10 carbon atoms; at least one of Rto Ris substituted or unsubstituted linear or branched alkyl having 1 to 30 carbon atoms; R is hydrogen claim 2 , a polymerizable functional group claim 2 , an alkoxy group having 1 to 10 carbon atoms claim 2 , an inorganic or organic salt claim 2 , a nonionic group claim 2 , or halogen; m is an integer of 1 to 5; and n is an integer of 8 to 25.4. The latex composition for dip forming of claim 2 , wherein a substituent substitutable for the linear or branched alkyl is one or more selected from the group consisting of linear or branched alkyl having 1 to 30 carbon atoms; cycloalkyl having 3 to 30 carbon atoms; aryl having 6 to 30 carbon atoms; and halogen.6. The latex composition for dip forming of claim 5 , wherein the polymerizable functional group is one or more selected from the group consisting of (meth)acrylate; alkyl (meth)acrylate having 1 to 30 carbon atoms ...

Method of Preparing Carboxylic Acid-Modified Nitrile-Based Copolymer Latex

A method of preparing a carboxylic acid-modified nitrile-based copolymer latex is provided. The method of preparing a carboxylic acid-modified nitrile-based copolymer later includes emulsion-polymerizing a monomer mixture including a conjugated diene-based monomer, an ethylenically unsaturated nitrile-based monomer, and an ethylenically unsaturated acid monomer in the presence of a cross-linking agent including glyoxal. 1. A method of preparing a carboxylic acid-modified nitrile-based copolymer latex , comprising emulsion-polymerizing a monomer mixture including a conjugated diene-based monomer , an ethylenically unsaturated nitrile-based monomer , and an ethylenically unsaturated acid monomer in the presence of a cross-linking agent including glyoxal.2. The method of claim 1 , wherein the monomer mixture includes a water soluble monomer.3. The method of claim 2 , wherein the emulsion polymerization is performed in the presence of a persulfate-based polymerization initiator including sodium persulfate claim 2 , potassium persulfate claim 2 , or ammonium persulfate; and an initial activator including hydroperoxide claim 2 , ferrous sulfate claim 2 , or sodium metabisulfite.4. The method of claim 1 , wherein the conjugated diene-based monomer includes 1 claim 1 ,3-butadiene claim 1 , 2 claim 1 ,3-dimethyl-1 claim 1 ,3-butadiene claim 1 , 2-ethyl-1 claim 1 ,3-butadiene claim 1 , 1 claim 1 ,3-pentadiene claim 1 , and/or isoprene.5. The method of claim 1 , wherein the ethylenically unsaturated nitrile-based monomer includes acrylonitrile claim 1 , methacrylonitrile claim 1 , fumaronitrile claim 1 , α-chloronitrile claim 1 , or α-cyanoethylacrylonitrile.6. The method of claim 1 , wherein the ethylenically unsaturated acid monomer includes acrylic acid claim 1 , methacrylic acid claim 1 , itaconic acid claim 1 , maleic acid claim 1 , fumaric acid claim 1 , maleic anhydride claim 1 , citraconic anhydride claim 1 , styrenesulfonic acid claim 1 , monobutyl fumarate claim 1 , ...

Carboxylic Acid-Modified Nitrile-Based Copolymer Latex Composition, Latex Composition for Dip Molding Including the Same, and Molded Article Therefrom

Provided is a carboxylic acid-modified nitrile-based copolymer latex composition, and more particularly, a carboxylic acid-modified nitrile-based copolymer latex composition including a carboxylic acid-modified nitrile-based copolymer. The carboxylic acid-modified nitrile-based copolymer includes a carboxyalkyl (meth)acrylate monomer-derived repeating unit and a repeating unit derived from an ethylenic unsaturated sulfonic acid monomer including a sulfonate salt or a sulfonate ester. A latex composition for dip molding including the same, and a molded article therefrom are also provided. 1. A carboxylic acid-modified nitrile-based copolymer latex composition comprising a carboxylic acid-modified nitrile-based copolymer ,wherein the carboxylic acid-modified nitrile-based copolymer comprises a carboxyalkyl (meth)acrylate monomer-derived repeating unit and a repeating unit derived from an ethylenic unsaturated sulfonic acid monomer including a sulfonate salt or a sulfonate ester.2. The carboxylic acid-modified nitrile-based copolymer latex composition of claim 1 , wherein the carboxyalkyl (meth)acrylate monomer-derived repeating unit is one or more selected from the group consisting of carboxyethyl (meth)acrylate claim 1 , carboxypropyl (meth)acrylate claim 1 , and carboxypentyl (meth)acrylate.3. The carboxylic acid-modified nitrile-based copolymer latex composition of claim 1 , wherein the ethylenic unsaturated sulfonic acid monomer-derived repeating unit is one or more selected from the group consisting of sodium vinylsulfonate claim 1 , sodium (meth)allyl sulfonate claim 1 , a sodium 2-methyl-2-propen-1-sulfonate salt claim 1 , a sodium 2-acrylamido-2-methylpropane sulfonate salt claim 1 , 3-sulfopropyl (meth)acrylate claim 1 , sodium α-methylstyrene sulfonate claim 1 , sodium ethylstyrene sulfonate claim 1 , and sodium 1-allyloxy-2-hydroxypropyl sulfonate.4. The carboxylic acid-modified nitrile-based copolymer latex composition of claim 1 , wherein a content of the ...

Method for producing latex and method for producing hollow resin particles

Provided is a method for producing a latex comprising hollow resin particles each with a high void ratio and a method for producing hollow resin particles each with a higher void ratio. In the method for producing the latex: a suspension treatment of the mixture liquid which comprises a monomer, a crosslinkable monomer, an oil-soluble polymerization initiator, a fat/fatty oil, a hydrocarbon solvent, a suspension stabilizer and an aqueous medium is carried out to prepare a suspension comprising monomer drops; a polymerization reaction of the suspension is carried out to prepare a precursor composition which comprises precursor particles each having a hollow portion including the hydrocarbon solvent.

Latex Composition for Dip Molding, a Method of Preparing the Same, and Molded Article Therefrom

Provided is a latex composition for dip molding. The latex composition for dip molding includes a carboxylic acid-modified nitrile-based copolymer latex and a hydrophobically modified alkali-soluble emulsion thickener, wherein the hydrophobically modified alkali-soluble emulsion thickener includes a copolymer including an associative portion and a non-associative portion, and the associative portion includes a monomer-derived repeating unit substituted by one or more first hydrophobic groups selected from the group consisting of alkyl, alkenyl, perfluoroalkyl, and carbosilyl having 8 to 15 carbon atoms, and aryl, arylalkyl, arylalkenyl, alicyclic alkyl, and polycyclic alkyl having 6 to 15 carbon atoms. A method of preparing the latex composition for dip molding, and a molded article manufactured therefrom are also provided. 1. A latex composition for dip molding , comprising:a carboxylic acid-modified nitrile-based copolymer latex, anda hydrophobically modified alkali-soluble emulsion thickener, whereinthe hydrophobically modified alkali-soluble emulsion thickener includes a copolymer including an associative portion and a non-associative portion, andthe associative portion includes a monomer-derived repeating unit substituted by one or more first hydrophobic groups selected from the group consisting of alkyl, alkenyl, perfluoroalkyl, and carbosilyl having 8 to 15 carbon atoms, and aryl, arylalkyl, arylalkenyl, alicyclic alkyl, and polycyclic alkyl having 6 to 15 carbon atoms.2. The latex composition for dip molding of claim 1 , wherein the associative portion includes a monomer-derived repeating unit substituted by one or more hydrophobic groups selected from the group consisting of alkyl claim 1 , alkenyl claim 1 , perfluoroalkyl claim 1 , and carbosilyl having 12 to 14 carbon atoms claim 1 , and aryl claim 1 , arylalkyl claim 1 , arylalkenyl claim 1 , alicyclic alkyl claim 1 , and polycyclic alkyl having 10 to 15 carbon atoms.3. The latex composition for dip ...

METHOD FOR MANUFACTURING GLOVES

A method for producing a glove includes a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal, and a step of irradiating the dip-molded layer with radiation. 1. A method for producing a glove , comprising:a step of forming a dip-molded layer by dip-molding a latex composition containing a latex of a carboxyl group-containing conjugated diene rubber (A) that does not have an isoprene-derived monomer unit, and a metal compound (B) including a divalent or higher metal; anda step of irradiating the dip-molded layer with radiation.2. The method for producing a glove according to claim 1 , wherein the carboxyl group-containing conjugated diene rubber (A) is at least one selected from a carboxyl group-containing nitrile rubber (a1) claim 1 , a carboxyl group-containing styrene-butadiene rubber (a2) claim 1 , and a carboxyl group-containing butadiene rubber (a3).3. The method for producing a glove according to claim 1 , wherein the metal compound (B) including a divalent or higher metal comprises a metal compound including a trivalent or higher metal.4. The method for producing a glove according to claim 1 , wherein as the metal compound (B) including a divalent or higher metal claim 1 , a metal compound including a trivalent or higher metal and a metal compound including a divalent metal are used in combination.5. The method for producing a glove according to claim 3 , wherein the metal compound including a trivalent or higher metal is an aluminum compound.6. The method for producing a glove according to claim 3 , wherein the latex composition further contains at least one alcoholic hydroxyl group-containing compound (D) selected from a saccharide (d1) claim 3 , a sugar alcohol (d2) claim 3 , a hydroxy acid (d3) claim 3 , and a hydroxy acid salt (d4).7. The method ...

Method for producing a prophylactic article

According to a method for the manufacture of a prophylactic article, especially of a glove, from a (carboxylated) diene rubber, at least one layer of a (carboxylated) diene latex is applied on a former and the (carboxylated) diene latex is cross-linked with a cross-linking agent, wherein a mercapto-functional siloxane polymer is used as cross-linking agent.

METHOD FOR MAKING A PARTICULATE PRODUCT CONTAINING NONIONIC SYNTHETIC ASSOCIATIVE THICKENER AND DISSOLUTION PROMOTION WATER SOLUBLE ADDITIVE

The presently disclosed and claimed inventive concept(s) relates to a method for making a particular product comprising a nonionic synthetic associative (NSAT) rheology modifier and a dissolution promotion water soluble additive. The method comprising the steps of: (a) obtaining the NSAT theology modifier and the dissolution promotion water soluble additive; (b) melting the NSAT theology modifier and the dissolution promotion water soluble additive; (c) mixing the molten NSAT theology modifier and the dissolution promotion water soluble additive; and (d) producing the particulate product from step (c). The NSAT rheology modifier is selected from the group consisting of hydrophobically-modified ethoxylated urethane (HEUR), hydrophobically-modified polyethylene glycol (HMPEG), and hydrophobically-modified polyacetal-polyether (HMPAPE). The particulate product prepared from the method is incorporated into a waterborne paint formula. 1. A method for making a particulate product comprising a nonionic synthetic associative thickener (NSAT) rheology modifier and a dissolution promotion water soluble additive , comprising the steps of:a) obtaining the NSAT rheology modifier and the dissolution promotion water soluble additive;b) melting the NSAT rheology modifier and the dissolution promotion water soluble additive;c) mixing the molten NSAT rheology modifier and dissolution promotion water soluble additive; andd) producing the particulate product from step c).2. The method of claim 1 , wherein the step d) is conducted using spray dryers claim 1 , disc pastillators claim 1 , drum flakers claim 1 , or grinders.3. The method of claim 1 , further comprising step e) cryogenic grinding.4. The method of claim 1 , wherein the dissolution promotion water soluble additive is sugar.5. The method of claim 1 , wherein the NSAT rheology modifier is selected from the group consisting of hydrophobically-modified ethoxylated urethane (HEUR) claim 1 , hydrophobically-modified polyethylene ...

CROSSLINKING AGENT, POLYMER COMPOSITION CONTAINING CROSSLINKING AGENT, AND CROSSLINKED PRODUCT OF SAME

A crosslinking agent which is based on an aluminate complex salt of a hydroxyl group-containing organic compound, which crosslinks a carboxy group and a nitrile group. When the crosslinking agent is added to a carboxy group-denatured NBR latex, gloves having flexibility and a strength comparable to those of natural rubber gloves can be manufactured. Furthermore, the excellent creep resistance is a big characteristic. Moreover, unlike normal sulfur vulcanization gloves, the gloves do not contain sulfur and a vulcanization accelerator, and do not necessarily require addition of zinc oxide. 1. A crosslinking agent comprising:a neutralized product of an aluminate complex salt of a hydroxyl group-containing organic compound;{'sup': 2+', '2+', '++, 'a divalent metal ion Ca, Mg, or Zn bound product of the aluminate complex salt of a hydroxyl group-containing organic compound; or'}a reaction product with a carboxylic acid of the aluminate complex salt of a hydroxyl group-containing organic compound.2. The crosslinking agent according to claim 1 ,wherein the hydroxyl group-containing organic compound is a monohydric or polyhydric alcohol; a polyether polyol; a polyester polyol; a polymer polyol; a hydroxyl group-containing polymer selected from polyvinyl alcohol, carboxymethylcellulose, hydroxyethylcellulose, starch, dextrin, cyclodextrin, oligosaccharide, guar gum, alginic acid, pectin, and xanthane gum; a carbohydrate; or a hydroxycarboxylic acid.3. A polymer composition claim 1 , comprising a polymer and a crosslinking agent comprising:a neutralized product of an aluminate complex salt of a hydroxyl group-containing organic compound;a divalent metal ion Ca2+, Mg2+, or Zn++ bound product of the aluminate complex salt of a hydroxyl group-containing organic compound; ora reaction product with a carboxylic acid of the aluminate complex salt of a hydroxyl group-containing organic compound.4. The polymer composition according to claim 3 , wherein the neutralized product of an ...

METHOD OF MANUFACTURING GLOVES, GLOVE, AND EMULSION COMPOSITION FOR GLOVES

Provided is a method of producing a glove, the method including: (1) the step of immersing a glove forming mold in a liquid coagulant containing calcium ions so as to allow the coagulant to adhere to the glove forming mold; (2) the step of adjusting the pH to be 9 or higher using an ammonium compound or an amine compound and leaving a glove emulsion composition to stand with stirring; (3) the dipping step of immersing the glove forming mold, to which the coagulant has thus adhered in the step (1), in the glove emulsion composition; (4) the gelling step of leaving the glove forming mold, to which the glove emulsion composition has thus adhered, to stand at a temperature for a period that satisfy specific conditions; (5) the leaching step of removing impurities from a cured film precursor thus formed on the glove forming mold; (6) the beading step of, after the leaching step, winding the cuff portion of the resulting glove; (7) the precuring step of heating and drying the cured film precursor that has been subjected to the beading step; and (8) the curing step of heating the cured film precursor at a specific temperature for a specific period to obtain a cured film. 1. A method of producing a glove , said method comprising:(1) the step of immersing a glove forming mold in a liquid coagulant containing calcium ions so as to allow said coagulant to adhere to said glove forming mold;(2) the step of adjusting the pH to be 9 or higher using an ammonium compound or an amine compound and leaving a glove emulsion composition, which has the below-described formulation, to stand with stirring;(3) the dipping step of immersing said glove forming mold, to which said coagulant has thus adhered in said step (1), in said glove emulsion composition;(4) the gelling step of leaving said glove forming mold, to which said glove emulsion composition has thus adhered, to stand at a temperature for a period that satisfy the following conditions:conditions: a temperature and a period that ...

LATEX COMPOSITION AND FILM MOLDED BODY

A latex composition has a latex of a carboxyl group-containing conjugated diene rubber and a metal compound including a trivalent or higher metal, wherein a content of the metal compound is 0.1 to 1.5 parts by weight, based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber. 1. A latex composition comprising a latex of a carboxyl group-containing conjugated diene rubber (A) and a metal compound (B) including a trivalent or higher metal , wherein a content of the metal compound (B) is 0.1 to 1.5 parts by weight , based on 100 parts by weight of the carboxyl group-containing conjugated diene rubber (A).2. The latex composition according to claim 1 , wherein the metal compound (B) is an aluminum compound.3. The latex composition according to claim 1 , further comprising at least one alcoholic hydroxyl group-containing compound (C) selected from a saccharide (c1) claim 1 , a sugar alcohol (c2) claim 1 , a hydroxy acid (c3) claim 1 , and a hydroxy acid salt (c4).4. The latex composition according to claim 3 , wherein a content of the metal compound (B) and a content of the alcoholic hydroxyl group-containing compound (C) are such that a weight ratio expressed as “metal compound (B):alcoholic hydroxyl group-containing compound (C)” is 1:0.1 to 1:50.5. The latex composition according to claim 3 , wherein the alcoholic hydroxyl group-containing compound (C) is at least one selected from the sugar alcohol (c2) and the hydroxy acid salt (c4).6. The latex composition according to claim 1 , wherein the carboxyl group-containing conjugated diene rubber (A) is a carboxyl group-containing nitrile rubber (a1) containing 56 to 78% by weight of a conjugated diene monomer unit claim 1 , 20 to 40% by weight of an ethylenically unsaturated nitrile monomer unit claim 1 , and 2 to 6.5% by weight of an ethylenically unsaturated carboxylic acid monomer.7. The latex composition according to claim 1 , wherein the carboxyl group-containing conjugated diene rubber ( ...

Carboxylic Acid-modified Nitrile-based Copolymer Latex And Latex Composition For Dip Molding Comprising Same

The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex, a preparation method for producing the same, a latex composition for dip-molding comprising the same, and a molding product prepared therefrom, more particularly to a carboxylic acid-modified nitrile-based copolymer latex capable of ensuring physical properties equivalent to or better than those using sulfur and vulcanization accelerators or cross-linking agents such as zinc oxide without using them by preparing the latex so that a large amount of anionic compound is present on the surface of the latex particles, a preparation method for producing the same, a latex composition for dip-molding comprising the same, and a molding product prepared therefrom.

LATEX COMPOSITION FOR DIP MOLDING AND DIP-MOLDED ARTICLE PRODUCED THEREFROM

Disclosed is a latex composition for dip molding comprising a carboxylic acid-modified nitrile copolymer latex and starch and an article produced therefrom. Advantageously, a dip-molded article having low syneresis, less stickiness and superior tensile strength can be obtained by using the carboxylic acid-modified nitrile latex in conjunction with starch. 1. A latex composition for dip molding comprising:a carboxylic acid-modified nitrile copolymer latex; andstarch.2. The latex composition for dip molding according to claim 1 , wherein the carboxylic acid-modified nitrile copolymer latex has a glass transition temperature of −50° C. to −15° C. and an average particle diameter of 50 nm or more.3. The latex composition for dip molding according to claim 1 , wherein the starch is a starch solution or a starch suspension.4. The latex composition for dip molding according to claim 1 , wherein the starch has a viscosity of 300 cPs or less at a temperature of 50° C. and at an aqueous solution concentration of 30% by weight.5. The latex composition for dip molding according to claim 1 , wherein the carboxylic acid-modified nitrile copolymer latex and the starch are present in a weight ratio of 70:30 to 99.9:0.1.6. The latex composition for dip molding according to claim 1 , wherein the carboxylic acid-modified nitrile copolymer is obtained by polymerizing a monomer mixture comprising 40 to 89% by weight of a conjugated diene monomer claim 1 , 10 to 50% by weight of an ethylenically unsaturated nitrile monomer and 0.1 to 10% by weight of an ethylenically unsaturated acid monomer.7. The latex composition for dip molding according to claim 6 , wherein the conjugated diene monomer comprises at least one selected from the group consisting of 1 claim 6 ,3-butadiene claim 6 , 2 claim 6 ,3-dimethyl-1 claim 6 ,3-butadiene claim 6 , 2-ethyl-1 claim 6 ,3-butadiene claim 6 , 1 claim 6 ,3-pentadiene and isoprene.8. The latex composition for dip molding according to claim 6 , wherein the ...

ELASTOMERIC ARTICLES, COMPOSITIONS, AND METHODS FOR THEIR PRODUCTION

This application relates to synthetic elastomeric articles, such as gloves, comprising the cured product of a synthetic latex composition, the synthetic latex composition comprising a synthetic carboxylated polymer and a cross-linking composition, the cross-linking composition comprising an aqueous solution of a negatively charged multivalent metal complex ion having a pH of at least 9.0. Also described are compositions for forming the articles, and methods for making the articles, based on the use of the described cross-linking composition. The articles, compositions and methods contain an aqueous solution of a multimetal oxide of the multivalent metal, a hydroxide of the multivalent metal, or a salt of the multivalent metal, such as sodium aluminate, in an amount of less than 0.3 phr. The articles produced have a thickness of between 0.01-3 mm and an unaged tensile strength of at least 15 MPa. 1. A synthetic elastomeric article comprising the cured product of a synthetic latex composition , the synthetic latex composition comprising a synthetic carboxylated polymer and a cross-linking composition , the cross-linking composition comprising an aqueous solution of a multimetal oxide of a multivalent metal , a hydroxide of a multivalent metal , or a salt of a multivalent metal , producing an aqueous solution of negatively charged multivalent metal complex ion having a pH of at least 9.0 , in which the amount of the multimetal oxide of the multivalent metal , the hydroxide of the multivalent metal , or the salt of the multivalent metal is less than 0.3 phr , said article having a thickness of 0.01-3 mm and an unaged tensile strength of at least 15 MPa.2. The synthetic elastomeric article of claim 1 , wherein the cross-linking composition comprises 0.01-5.0 phr alkali.3. The synthetic elastomeric article of claim 1 , having a modulus at 500% of less than 7.0 MPa.4. The synthetic elastomeric article of claim 1 , wherein the article is a glove.5. The synthetic elastomeric ...

Latex for dip molding, composition for dip molding, preparation method of dip molded product, and dip molded product prepared thereby

Provided are a latex for dip molding, a composition for dip molding, a preparation method of a dip molded product, and a dip molded product prepared thereby. The latex for dip molding includes a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer, wherein the latex further includes sodium methallyl sulfonate as a copolymerizable ionic monomer. A dip molded product having excellent tensile strength, elongation, and touch may be obtained from a composition using the latex according to the present invention, and the generation of limitations, such as non-uniformity of physical properties and difficulties in product management, may be prevented.

THERMOPLASTIC RESIN AND THERMOPLASTIC RESIN COMPOSITION INCLUDING THE SAME

The present invention relates to a thermoplastic resin. In accordance with the present invention, a thermoplastic resin exhibiting superior heat resistance, gloss, and whiteness while having mechanical properties identical to or higher than those of a conventional thermoplastic resin and a thermoplastic resin composition including the same are provided. 1. A thermoplastic resin , comprising an α-methyl styrene-vinyl cyan compound copolymer and a compound represented by Formula 1 below:{'br': None, 'sub': o', 'n', '2n+1', 'p, 'A(SiO)\u2003\u2003[Formula 1]'}wherein A is a divalent or trivalent metal, n is an integer of 1 to 100, and each of o and p is an integer of 1 to 5.2. The thermoplastic resin according to claim 1 , wherein the compound represented by Formula 1 is an in-situ compound generated by reacting a water-soluble silicate compound and a metal salt coagulant in the α-methyl styrene-vinyl cyan compound copolymer.3. The thermoplastic resin according to claim 1 , whereinthe compound represented by Formula 1 has a solubility in water of 0.001 to 0.1%.4. The thermoplastic resin according to claim 1 , whereinthe compound represented by Formula 1 is comprised in an amount of 0.0001 to 2 parts by weight based on 100 parts by weight of the α-methyl styrene-vinyl cyan compound copolymer.5. The thermoplastic resin according to claim 2 , wherein the vinyl cyan compound is one or more selected from the group consisting of acrylonitrile claim 2 , methacrylonitrile claim 2 , ethacrylonitrile claim 2 , and derivatives thereof.6. The thermoplastic resin according to claim 2 , wherein the α-methyl styrene is comprised in an amount of 45 to 80% by weight claim 2 , and the vinyl cyan compound is comprised in an amount of 15 to 50% by weight.7. The thermoplastic resin according to claim 2 , wherein the α-methyl styrene-vinyl cyan compound further comprises 1 to 15% by weight of an aromatic vinyl compound (except for α-methyl styrene).8. The thermoplastic resin according to ...

Polymer Latex for Dip-Molding Applications

The present invention relates to a polymer latex for dip-molding applications including: particles of a carboxylated conjugated diene nitrile latex polymer in combination or association with particles of a latex polymer including at least one oxirane-functional group, to the use of said polymer latex for the production of dip-molded articles or for coating or impregnating a substrate, to compounded compositions including said polymer latex, to a method for making dip-molded articles and to articles made by using said polymer latex. 1. A polymer latex for dip-molding applications comprising:(a) particles of a carboxylated conjugated diene nitrile latex polymer (a) obtainable by free-radical emulsion polymerization of a mixture of ethylenically unsaturated monomers comprising:15 to 99 wt.-% of conjugated dienes;1 to 80 wt.-% of monomers selected from ethylenically unsaturated nitrile compounds;0.05 to 10 wt.-% of ethylenically unsaturated acids and/or salts thereof;0 to 50 wt.-% of vinyl aromatic monomers; and0 to 65 wt.-% of alkyl esters of ethylenically unsaturated acids,the weight percentages being based on the total monomers in the mixture,in combination or association with(b) particles of a latex polymer (b) comprising at least one oxirane-functional group; whereinthe monomer composition of the latex polymer (a) is different from the monomer composition of the latex polymer (b).2. The polymer latex of claim 1 , whereinthe conjugated dienes are selected from butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 2-ethyl-1,3-butadiene, 1,3-pentadiene or combinations thereof;the ethylenically unsaturated nitrile compounds are selected from (meth)acrylonitrile, alpha-cyanoethyl acrylonitrile, fumaronitrile, alpha-chloronitrile or combinations thereof;the ethylenically unsaturated acids and salts thereof are selected from (meth)acrylic acid, crotonic acid, itaconic acid, maleic acid, fumaric acid, ethylenically unsaturated sulfonic acids, ethylenically unsaturated ...

LATEX COMPOSITION FOR DIP-FORMING INCLUDING CARBOXYLIC ACID MODIFIED-NITRILE BASED COPOLYMER LATEX AND DIP-FORMED ARTICLE PEREPARED THEREFROM

The present invention relates to a latex composition for dip-forming including two different types of carboxylic acid modified-nitrile based copolymer latex, and a dip-formed article prepared therefrom having excellent durability for sweat, and having high tensile strength and elongation percentage. Accordingly, the latex composition for dip-forming has excellent tensile strength, elongation percentage, stress and durability, and is useful in industries requiring these, for example, a rubber glove industry and the like. 1. A latex composition for dip-forming comprising:a) carboxylic acid modified-nitrile based copolymer latex having a glass transition temperature of −30° C. to −5° C. and an average particle diameter of 100 nm to 200 nm, and including a reactive compound; andb) carboxylic acid modified-nitrile based copolymer latex having a glass transition temperature of −30° C. to −15° C. and an average particle diameter of 100 nm to 200 nm.2. The latex composition for dip-forming of claim 1 , wherein the composition includes the a) carboxylic acid modified-nitrile based copolymer latex and the b) carboxylic acid modified-nitrile based copolymer latex in a weight ratio of 3:7 to 8:2.3. The latex composition for dip-forming of claim 1 , wherein the a) carboxylic acid modified-nitrile based copolymer latex includes 0.1 parts by weight to 5 parts by weight of the reactive compound with respect to 100 parts by weight of a monomer mixture claim 1 , and the monomer mixture includes 40% by weight to 89% by weight of a conjugated diene-based monomer; 10% by weight to 50% by weight of an ethylenically unsaturated nitrile-based monomer; and 0.1% by weight to 10% by weight of an ethylenically unsaturated acid monomer claim 1 , andwherein the b) carboxylic acid modified-nitrile based copolymer latex includes 40% by weight to 89% by weight of a conjugated diene-based monomer; 10% by weight to 50% by weight of an ethylenically unsaturated nitrile-based monomer; and 0.1% by ...

METHOD FOR THE PRODUCTION OF SUPERABSORBERS

A process for producing superabsorbents, comprising the steps of i) classifying the superabsorbent particles by means of one or more sieves and ii) removing metallic impurities by means of one or more magnetic separators, wherein classification is accomplished using sieves made of a wire mesh, the wires of the wire mesh consist of a steel composed of at least 70% by weight of iron, at least 10% by weight of chromium and less than 2.5% by weight of nickel, and the throughput of superabsorbent particles in the magnetic separator is in the range from 2.0 to 6.5 g/s per cmof free cross-sectional area. 1. A process for producing superabsorbent particles by polymerizing a monomer solution or suspension comprisinga) at least one ethylenically unsaturated monomer which bears an acid group and optionally is at least partly neutralized,b) at least one crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomer copolymerizable with the monomer mentioned under a) ande) optionally one or more water-soluble polymer, comprisingi) classifying the superabsorbent particles by one or more sieves, andii) removing metallic impurities by one or more magnetic separators,{'sup': '2', 'wherein step i) is conducted before step ii), which comprises classifying using sieves made of a wire mesh, wherein the wires of the wire mesh consist of a steel composed of at least 70% by weight of iron, at least 10% by weight of chromium, and less than 2.5% by weight of nickel, and throughput of superabsorbent particles in the magnetic separator is in the range from 2.0 to 6.5 g/s per cmof free cross-sectional area.'}2. The process according to claim 1 , wherein the wires of the wire mesh consist of a steel composed of at least 75% by weight of iron claim 1 , at least 12% by weight of chromium claim 1 , and less than 1.0% by weight of nickel.3. The process according to claim 1 , wherein the wires of the wire mesh consist of a steel composed of at least 78% by weight of ...

RUBBER COMPOSITION AND SHAPED PRODUCT

Provided are a shaped product having excellent heat resistance and a rubber composition with which the shaped product can be formed. The rubber composition contains a rubber including an ethylenically unsaturated monomer unit having at least one carboxyl group, a compound having at least one amino group and an aromatic condensed ring structure including at least three rings, and one or more carbon nanotubes. The shaped product is obtained through shaping of the rubber composition. 1. A rubber composition comprising:a rubber including an ethylenically unsaturated monomer unit having at least one carboxyl group;a compound having at least one amino group and an aromatic condensed ring structure including at least three rings; andone or more carbon nanotubes.2. The rubber composition according to claim 1 , whereinthe compound is contained in a proportion of at least 0.5 parts by mass and not more than 5 parts by mass per 100 parts by mass of the rubber.3. The rubber composition according to or claim 1 , whereinthe compound is at least one selected from the group consisting of 2-aminoanthracene, 1-aminopyrene, 1,6-diaminopyrene, and 3-amino-9-ethylcarbazole.4. A shaped product obtained through shaping of the rubber composition according to . The present disclosure relates to a rubber composition and a shaped product, and, in particular, relates to a carbon nanotube-containing rubber composition and a shaped product obtained through shaping of the rubber composition.In recent years, composite materials in which carbon nanotubes (hereinafter, also referred to as “CNTs”) are compounded with an elastomer, such as a rubber, have been attracting interest as materials that have excellent heat resistance and mechanical properties.In one example, PTL 1 discloses a composite material having excellent processability and heat resistance that is a crosslinked rubber obtained through crosslinking of a crosslinkable rubber composition containing a rubber including a carboxyl group- ...

ANTISTATIC GLOVES AND PROCESS FOR MAKING SAME

The present invention is directed to antistatic elastomeric articles and methods of making the same. The articles can be single layered or multilayered. The single layered articles possess desirable antistatic properties and desirable properties of comfort and feel. The multilayered articles have an outermost layer/surface that possesses desirable antistatic properties and an innermost layer/surface that exhibits desirable properties of comfort and feel. In preferred embodiments, the elastomeric articles are made form a nitrile/natural rubber blend. Articles of the present invention have antistatic properties measured as having a surface resistivity below about 10Ω/sq and a static decay time of less than about 60 seconds. 145-. (canceled)46. A process for making an antistatic multilayered elastomeric article having a first layer and a second layer comprising:a) preparing a first latex composition by mixing natural rubber latex with nitrile rubber latex, wherein the natural rubber latex in said first latex composition is in a lesser amount than the nitrile rubber latex in said first latex composition,b) preparing a second latex composition by mixing nitrile rubber latex with natural rubber latex, wherein the nitrile rubber latex in said second latex composition is in a lesser amount than the natural rubber latex in said second latex composition, andc) forming the first layer from said first latex composition and the second layer from said second latex composition.47. The process of claim 46 , wherein step a) further comprises mechanically mixing the natural rubber latex with the nitrile rubber latex claim 46 , and wherein step b) further comprises mechanically mixing the nitrile rubber latex with the natural rubber latex.48. The process of claim 47 , wherein step a) further comprises adjusting the first latex composition to a pH of about 9.5.49. The process of claim 47 , wherein step c) further comprises forming a first latex gel from the first latex composition and ...

Nitrile rubber composition, latex composition of highly saturated nitrile rubber, and cross-linked rubber

A nitrile rubber composition comprising a highly saturated nitrile rubber (A) containing α,β-ethylenically unsaturated nitrile monomer units in a ratio of 8 to 60 wt % and having an iodine value of 120 or less and an alkylated phenol compound (B), wherein a ratio of content of the alkylated phenol compound (B) with respect to a total of the highly saturated nitrile rubber (A) and the alkylated phenol compound (B) is 0.01 to 1 wt %, and a difference (η2−η1) between a plasticity number η2 after storage at 70° C. for 7 days in a state of an aqueous dispersion by being dispersed in water and a plasticity number η1 before the storage is 12 or less is provided.

RUBBER OR ELASTOMER COMPOSITIONS AND PROCESSES FOR THEIR MANUFACTURING

The present invention is concerned with the field of polymer chemistry and relates to rubber or elastomer compositions as can be used for vehicle tires, and to a method for the production of the rubber or elastomer compositions. 1. Rubber or elastomer compositions containing at least one rubber or elastomer matrix and at least 20 to 150 phr of a phase change material in solid or liquid form , wherein the phase change material has a particle size of ≦1 μm , and wherein one or more auxiliary materials can be present.2. The rubber or elastomer compositions according to claim 1 , wherein the phase change material has a particle size of 0.01-0.5 μm.3. The rubber or elastomer compositions according to claim 1 , wherein the phase change material is present at 30 to 80 phr.4. The rubber or elastomer compositions according to claim 1 , wherein the phase change material is present in the matrix in a homogeneously distributed manner or in a graduated distribution.5. The rubber or elastomer compositions according to claim 1 , wherein the matrix was produced from at least one natural rubber and/or at least one synthetic rubber claim 1 , advantageously styrene-butadiene rubber (SBR) claim 1 , butadiene rubber (BR) claim 1 , butyl rubber (IIR) claim 1 , acrylonitrile-butadiene rubber (NBR) claim 1 , carboxylated NBR claim 1 , hydrogenated NBR claim 1 , epichlorohydrin-ethylene oxide rubber (GECO) claim 1 , acrylic rubber (ACM) claim 1 , ethylene-propylene-diene rubber (EPDM) claim 1 , polyurethane rubber (PU) claim 1 , fluorinated rubber (FKM) and/or silicone rubber (VMQ) claim 1 , or of a mixture of the rubbers.6. The rubber or elastomer compositions according to claim 1 , wherein water claim 1 , one or more non-paraffins claim 1 , one or more inorganic salt hydrates claim 1 , one or more eutectic alloys claim 1 , one or more metals and/or one or more metal compounds are present as phase change material.7. The rubber or elastomer compositions according to claim 6 , wherein ester ...

DIP-FORMING LATEX COMPOSITION AND DIP-FORMED ARTICLE

A latex for dip forming and a sulfur-based crosslinking agent, and has a pH of 9.5-11, the latex containing a copolymer having 40-80% by weight of conjugated diene monomer units (A) that contain a butadiene unit and an isoprene unit, 10-45% by weight of ethylenically unsaturated nitrile monomer units (B), and 2-15% by weight of ethylenically unsaturated acid monomer units (C), the ratio between the butadiene unit content and the isoprene unit content being 40:60 to 95:5 expressed in terms of weight. 1. A dip-forming latex composition comprising:a dip-forming latex containing a copolymer containing 40 to 80% by weight of conjugated diene monomer units (A) containing a butadiene unit and an isoprene unit, 10 to 45% by weight of ethylenically unsaturated nitrile monomer units (B), and 2 to 15% by weight of ethylenically unsaturated acid monomer units (C), the conjugated diene monomer units (A) containing the butadiene unit and the isoprene unit at a weight ratio of 40:60 to 95:5 (butadiene unit:isoprene unit); anda sulfur crosslinking agent, whereinthe dip-forming latex composition has a pH of 9.5 to 11.2. The dip-forming latex composition according to claim 1 , wherein the conjugated diene monomer units (A) are formed only of a butadiene unit and an isoprene unit.3. The dip-forming latex composition according to claim 1 , wherein the ethylenically unsaturated nitrile monomer units (B) are acrylonitrile units.4. The dip-forming latex composition according to claim 1 , wherein the ethylenically unsaturated acid monomer units (C) are ethylenically unsaturated monocarboxylic acid monomer units.5. The dip-forming latex composition according to claim 1 , wherein the ethylenically unsaturated acid monomer units (C) are methacrylic acid units.6. The dip-forming latex composition according to claim 1 , wherein the copolymer contains other monomer units (D) other than the conjugated diene monomer units (A) claim 1 , the ethylenically unsaturated nitrile monomer units (B) claim ...

Dip-formed article

Disclosed is a dip-formed article obtained by dip-molding a latex composition for dip-forming, which contains a crosslinking agent and a latex for dip-forming containing a copolymer composed of 40-80% by weight of conjugated diene monomer units (A) containing an isoprene unit, 20-45% by weight of ethylenically unsaturated nitrile monomer units (B), and 2-15% by weight of ethylenically unsaturated acid monomer units (C), and having a weight ratio of butadiene unit content to isoprene unit content that falls within the range of 60:40 to 100:0. Tear strength is at least 50 N/mm, tensile strength is at least 25 MPa, and oil swelling rate does not exceed 5%.

LATEX FOR FRICTION MEMBER USE AND FRICTION MEMBER

A latex for friction member use including rubber particles comprised of a carboxyl group-containing highly saturated nitrile rubber containing α,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and having an iodine value of 120 or less, wherein a difference Δd (Δd=d90−d50) between a volume cumulative 90% particle size (d90) of the rubber particles and volume cumulative 50% particle size (d50) of the rubber particles which are measured by a light scattering method is 0.0240 μm or more is provided. 1. A latex for friction member use comprising rubber particles comprised of a carboxyl group-containing highly saturated nitrile rubber containing α ,β-ethylenically unsaturated nitrile monomer units in a ratio of 10 to 60 wt % and having an iodine value of 120 or less ,wherein a difference Δd (Δd=d90−d50) between a volume cumulative 90% particle size (d90) of the rubber particles and volume cumulative 50% particle size (d50) of the rubber particles which are measured by a light scattering method is 0.0240 μm or more.2. The latex for friction member use according to claim 1 , wherein the carboxyl group-containing highly saturated nitrile rubber contains 10 to 60 wt % of α claim 1 ,β-ethylenically unsaturated nitrile monomer units claim 1 , 0.1 to 20 wt % of carboxyl group-containing monomer units claim 1 , and 20 to 90 wt % of conjugated diene monomer units (including hydrogenated ones).3. The latex for friction member use according to claim 2 , wherein the carboxyl group-containing monomer units are α claim 2 ,β-ethylenically unsaturated monocarboxylic acid monomer units.4. A latex composition for friction member use comprising the latex for friction member use according to and a thermosetting resin.5. The latex composition for friction member use according to claim 4 , wherein the thermosetting resin is one or more types selected from an epoxy resin and phenol resin.6. The latex composition for friction member use according to claim 4 , ...

NANOPARTICLE FILLERS AND METHODS OF MIXING INTO ELASTOMERS

A nanoparticle includes a copolymer comprising a vinyl-aromatic monomer and a heterocyclic monomer. The copolymer is crosslinked with a multifunctional crosslinking agent polymerizable through an addition reaction. A nanoparticle and elastomer composition is disclosed. Several methods of mixing heterocyclic and non-heterocyclic monomer nanoparticles into an elastomer are also disclosed. These methods include mixing in a multi-elements static mixer and an intermeshing mixer with venting, among others. 1. A polymeric composition comprising:nanoparticles having a polymeric core comprising vinyl-aromatic mono-vinyl monomer contributed units crosslinked with a multifunctional crosslinking agent that is polymerizable through an addition reaction;the polymeric core being essentially free of units of unsaturation;the polymeric core having a weight average particle diameter of about 10 nanometers to about 500 nanometers as determined by field flow fractionation on a sample swollen in THF solvent; anda latex elastomer having a number average molecular weight of at least about 150 kg/mol.2. The polymeric composition of claim 1 , wherein the nanoparticles are present in a volume fraction of the polymeric composition of about 0.3 to about 0.5.3. The polymeric composition of claim 1 , wherein the nanoparticles further comprise heterocyclic monomer contributed units.4. The polymeric composition of claim 1 , wherein the nanoparticles are present in a volume fraction of the composition of about 0.4 to about 0.5.5. The polymeric composition of claim 1 , wherein the nanoparticles have a weight average diameter of about 10 to about 500 nm as determined by field flow fractionation in THF.6. The polymeric composition of claim 1 , wherein the nanoparticles include about 0.1 to about 30 weight percent of a heterocyclic monomer contributed unit.7. The polymeric composition of claim 6 , wherein the multifunctional crosslinking agent is included in a weight equal to about 0.1 to about 20 ...

All temperature water borne sealant

A wide temperature water borne sealant that can be applied at low temperatures. The sealant can be a latex sealant composition including at least one latex polymer, at least one freeze thaw stabilizer, and at least one peptone or at least one additive derived from a peptone. The latex polymer can be an acrylic latex polymer with a Glass Transition Temperature (Tg) of 0° C. or less. The peptone can be enzymatic hydrolysate. The sealant can remain pliable at low temperatures making it ideal for applications that require flexibility at low temperatures its' rheology and viscosity are such that it can be applied at temperatures below 0° C. The low Tg latex assures that the sealant will remain permanently flexible and non-tacky when cured, and the peptone provides the sealant with the means to prevent the water from freezing down to approximately −20° C.

Antistatic gloves and process for making same

The present invention is directed to antistatic elastomeric articles and methods of making the same. The articles can be single layered or multilayered. The single layered articles possess desirable antistatic properties and desirable properties of comfort and feel. The multilayered articles have an outermost layer/surface that possesses desirable antistatic properties and an innermost layer/surface that exhibits desirable properties of comfort and feel. In preferred embodiments, the elastomeric articles are made form a nitrile/natural rubber blend. Articles of the present invention have antistatic properties measured as having a surface resistivity below about 1014 Ω/sq and a static decay time of less than about 60 seconds.

Elastomeric film-forming compositions and articles made from the elastomeric film

The invention relates to an elastomeric film-forming composition comprising (a) a copolymer formed from monomers consisting of chlorobutadiene and an ethylenically unsaturated carboxylic acid or ester, and (b) one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.

Elastomeric film-forming compositions and articles made from the elastomeric film

The invention relates to an elastomeric film-forming composition comprising a carboxylic acid- or ester-grafted polychlorobutadiene, and one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.

Antistatic gloves and process for making same

The present invention is directed to antistatic elastomeric articles and methods of making the same. The articles can be single layered or multilayered. The single layered articles possess desirable antistatic properties and desirable properties of comfort and feel. The multilayered articles have an outermost layer/surface that possesses desirable antistatic properties and an innermost layer/surface that exhibits desirable properties of comfort and feel. In preferred embodiments, the elastomeric articles are made form a nitrile/natural rubber blend. Articles of the present invention have antistatic properties measured as having a surface resistivity below about 10 14 Ω/sq and a static decay time of less than about 60 seconds.

Crosslinking agent, polymer composition containing crosslinking agent, and crosslinked product of same

A crosslinking agent which is based on an aluminate complex salt of a hydroxyl group-containing organic compound, which crosslinks a carboxy group and a nitrile group. When the crosslinking agent is added to a carboxy group-denatured NBR latex, gloves having flexibility and a strength comparable to those of natural rubber gloves can be manufactured. Furthermore, the excellent creep resistance is a big characteristic. Moreover, unlike normal sulfur vulcanization gloves, the gloves do not contain sulfur and a vulcanization accelerator, and do not necessarily require addition of zinc oxide.

不含硫和硫化促进剂的用于橡胶手套的乳胶树脂组合物和使用该组合物制造浸渍成型物品的方法

本发明提供一种不含硫和硫化促进剂的用于橡胶手套的乳胶树脂组合物和使用该组合物制造浸渍成型物品的方法。所述组合物包括：共轭二烯单体，烯键式不饱和腈单体，烯键式不饱和酸单体，与所述烯键式不饱和腈单体和所述烯键式不饱和酸单体可共聚的烯键式不饱和单体，和含有两个或更多个活性基团的活性化合物。根据本发明的制造方法，通过省去传统手套制造方法中所包括的长时间熟化步骤而提高了生产率；不仅减少了由传统的硫和硫化促进剂所带来的有害影响，而且可以提供具有优良物理性质的橡胶手套。

Shock resistant poly(meth)acrylate moulding compound with high heat resistance

FIELD: chemistry. SUBSTANCE: invention relates to polymer mixtures for making shock resistant moulded articles. The disclosed polymer mixture for making moulded articles which contains (meth)acrylate (co)polymer components with different molecular weight and viscosity of solution in chloroform, and an impact viscosity modifier based on cross-linked poly(meth)acrylates, having a nucleus/shell/shell structure, whereby the test sample made from the polymer mixture simultaneously possess the following characteristics: Young's modulus of elasticity (ISO 527) of at least 2500 MPa, Vicat softening point VET (ISO 306-B50) of at least 110°C, impact viscosity (ISO 179-2D, perpendicular the layers) of at least 30 kJ/m 2 , flow melt index MVR (ISO 1133, 230°C/3.8 kg) of at least 1.0 cm 3 /10 min. The invention also discloses articles injection moulded from the said polymer mixture, use of the polymer mixture to obtain moulded articles and versions of using the obtained moulded articles. EFFECT: design of thermoplastic material with a balanced profile of characteristics. 14 cl, 1 tbl, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 397 998 (13) C2 (51) МПК C08L 33/10 (2006.01) C08F 265/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21), (22) Заявка: 2007131956/04, 15.12.2005 (24) Дата начала отсчета срока действия патента: 15.12.2005 (43) Дата публикации заявки: 27.02.2009 (56) Список документов, цитированных в отчете о поиске: WO 2004056892 А2, 08.07.2004. RU 2054009 C1, 10.02.1996. RU 2128671 C1, 10.04.1999. (73) Патентообладатель(и): Эвоник Рём ГмбХ (DE) (85) Дата перевода заявки PCT на национальную фазу: 24.08.2007 2 3 9 7 9 9 8 R U (87) Публикация PCT: WO 2006/079394 (03.08.2006) C 2 C 2 (86) Заявка PCT: EP 2005/013514 (15.12.2005) Адрес для переписки: 101000, Москва, М.Златоустинский пер., 10, кв.15, "ЕВРОМАРКПАТ", пат.пов. И.А.Веселицкой (54) УДАРОПРОЧНАЯ ПОЛИ(МЕТ)АКРИЛАТНАЯ ФОРМОВОЧНАЯ МАССА ...

딥 성형용 라텍스 조성물 및 이로부터 제조된 딥 성형품

본 발명은 2종의 서로 상이한 카르본산 변성 니트릴계 공중합체 라텍스를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 제조된 땀에 대한 내구성이 우수하며 인장강도 및 신장율이 높은 딥 성형품에 관한 것이다. 이에 따른, 딥 성형용 라텍스 조성물은 인장강도, 신장율, 응력 및 내구성이 모두 우수할 수 있어 이를 필요로 하는 산업, 예컨대 고무장갑산업 등에 용이하게 적용할 수 있다.

聚合物微粒分散树脂组合物及其制造方法

本发明提供一种弹性模量（刚性）、耐热性、韧性以及耐冲击性优异，并且这些特性平衡的新型树脂的改性方法。一种聚合物微粒分散树脂组合物，是含有树脂100重量份和聚合物微粒0.1重量份～150重量份的聚合物微粒分散树脂组合物，所述聚合物微粒具有至少2个层即交联聚合物层与被覆聚合物层，该树脂中的该聚合物微粒的粒子分散率为50%以上，该交联聚合物层由均聚物的Tg为0℃以上的1种以上的单体50重量%～99重量%和均聚物的Tg小于0℃的1种以上的单体50重量%～1重量%构成。

Elastomer rubber and elastomer product obtained without vulcanization accelerator or sulfur

FIELD: chemistry. SUBSTANCE: elastomer composition is obtained, comprising an emulsion containing 25-30 wt % acrylonitrile, 62-71 wt % of butadiene and 8.4 wt % of unsaturated carboxylic acid, a reactive vinyl compound and a dispersing agent. At that, a part of the unsaturated carboxylic acid terminal groups forms a crosslink through covalent bonds in the polymerization process, and the remaining terminal groups are unreacted. In this case, the Mooney viscosity (ML (1+4) (100°C)) of the elastomer composition is 100-220, the film swelling degree by weight is 200-400%. EFFECT: invention allows to obtain thin film gloves containing no sulfur as a crosslinking agent and sulfur compound as a vulcanization accelerator, with high elongation to break and tensile strength. 11 cl, 14 dwg, 20 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 646 552 C2 (51) МПК C08J 5/02 (2006.01) C08L 13/02 (2006.01) C08L 33/20 (2006.01) A41D 19/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08J 5/02 (2006.01); C08L 13/02 (2006.01); C08L 33/20 (2006.01); A41D 19/00 (2006.01) (21)(22) Заявка: 2013119849, 30.09.2011 (24) Дата начала отсчета срока действия патента: Дата регистрации: 05.03.2018 30.09.2010 JP 2010-221262 (43) Дата публикации заявки: 10.11.2014 Бюл. № 31 (45) Опубликовано: 05.03.2018 Бюл. № 7 C 2 (86) Заявка PCT: JP 2011/073271 (30.09.2011) (87) Публикация заявки PCT: 2 6 4 6 5 5 2 WO 2012/043894 (05.04.2012) Адрес для переписки: 190013, Санкт-Петербург, а/я 186, Можайскому М.А. (54) ЭЛАСТОМЕРНАЯ РЕЗИНА И ЭЛАСТОМЕРНОЕ ИЗДЕЛИЕ, ПОЛУЧЕННЫЕ БЕЗ ИСПОЛЬЗОВАНИЯ УСКОРИТЕЛЯ ВУЛКАНИЗАЦИИ ИЛИ СЕРЫ (57) Реферат: Изобретение относится к эластомерному концевых групп является непрореагировавшей. составу резиновых перчаток из тонкой пленки. При этом вязкость по Муни (ML(1+4)(100°C)) Получают эластомерный состав, содержащий эластомерного состава составляет 100-220, эмульсию, включающую 25-30% по массе степень набухания пленки по массе ...

Hydrolysis-resistant polyamide-elastomer mixtures, articles moulded therefrom and use thereof

FIELD: chemistry.SUBSTANCE: invention relates to polyamide-elastomer mixtures for making moulded articles. The polyamide-elastomer mixture contains components in the following ratios, wt %: a) 30 to 95 of at least one partially crystalline polyamide having a solution viscosity greater than or equal to 1.75 (measured in m-cresol solution, 0.5 wt %, 20°C.), b) 5 to 50 of at least one elastomer produced by emulsion polymerisation of at least one conjugated diene, at least one ?,?-unsaturated nitrile and, optionally, one or more additional copolymerisable monomers and subsequent spray drying of the latex obtained during emulsion polymerisation, c) optionally, 0 to 20 of one or more polyamides having a solution viscosity of less than 1.75 (measured in m-cresol solution, 0.5 wt %, 20°C.), relative to the total amount of components (a) to (c), and relative to 100 parts by weight of components (a) to (c), from 0 to 100 parts by weight of one or more additives. The disclosed polyamide-elastomer mixtures can be processed into moulded articles which are used, for example, in the motor car industry, particularly as channel conducting media.EFFECT: good flexibility of polyamide-based materials and improved resistance to hydrolysis and oil swell.33 cl, 4 dwg, 2 tbl, 1 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 485 149 (13) C2 (51) МПК C08L C08L C08L C08L C08L C08L C08J ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ 77/00 (2006.01) 77/02 (2006.01) 9/02 (2006.01) 9/04 (2006.01) 21/00 (2006.01) 13/02 (2006.01) 3/12 (2006.01) ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010137320/05, 06.02.2009 (24) Дата начала отсчета срока действия патента: 06.02.2009 Приоритет(ы): (30) Конвенционный приоритет: 08.02.2008 DE 102008008098.5 25.09.2008 DE 102008042368.8 (43) Дата публикации заявки: 20.03.2012 Бюл. № 8 (45) Опубликовано: 20.06.2013 Бюл. № 17 2 4 8 5 1 4 9 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 08.09.2010 C 2 C 2 (56) Список документов, ...

High rigid carbon fiber and manufacturing method of carbon-carbon composite for friction material using same

본 발명은 고강성 탄소섬유 및 이를 이용한 마찰재용 탄소-탄소 복합재 제조 방법에 관한 것으로, 특히 탄소섬유에 일정농도의 붕산용액을 함침하고, 이 붕산용액이 함침된 탄소섬유를 열풍건조기에서 적당한 온도로 일정시간동안 건조시킨 후, 상기 건조된 탄소섬유를 열처리로에 넣고 일정온도로 열처리하여 고강성 저강도 탄소섬유를 제조하고, 이 탄소섬유를 일정한 길이로 절단하여 핏치와 함께 혼합하고, 이 혼합체를 탄소직물과 적층하여 프리폼을 만든 후, 이 프리폼을 몰드에 장입하고 나서 프레스로 가압성형하여 그린바디를 제조한 다음, 이 그린바디를 고온에서 열처리한 후 핏치로 함침시킴과 아울러 탄화공정 및 열처리공정을 거쳐 마찰재용 탄소-탄소 복합제를 제조한다. The present invention relates to a high rigid carbon fiber and a method for producing a carbon-carbon composite for friction materials using the same, in particular, impregnated carbon fiber with a certain concentration of boric acid solution, the carbon fiber impregnated with the boric acid solution at a suitable temperature in a hot air dryer After drying for a certain time, the dried carbon fiber is placed in a heat treatment furnace and heat-treated at a constant temperature to produce a high-strength low-strength carbon fiber, the carbon fiber is cut to a predetermined length and mixed with a pitch, and the mixture is mixed After laminating with a carbon fabric to form a preform, the preform is charged into a mold and press-molded into a press to produce a green body. The green body is heat-treated at high temperature, impregnated with a pitch, and carbonized and heat-treated. To prepare a carbon-carbon composite for friction materials. 이와 같은 방법으로 제조된 마찰재는 종래 고온에서 열처리하여 제조된 탄소 섬유를 이용하여 만든 마찰재보다 마모량이 적은 등 내마모성이 우수하면서도 제조 경비를 줄일 수 있다. The friction material produced in this manner is less wear than the friction material made by using a carbon fiber manufactured by heat treatment at a high temperature, such as excellent wear resistance and can reduce the manufacturing cost.

Nanoparticle fillers and methods of mixing into elastomers

A nanoparticle includes a copolymer comprising a vinyl-aromatic monomer and a heterocyclic monomer. The copolymer is crosslinked with a multifunctional crosslinking agent polymerizable through an addition reaction. A nanoparticle and elastomer composition is disclosed. Several methods of mixing heterocyclic and non-heterocyclic monomer nanoparticles into an elastomer are also disclosed. These methods include mixing in a multi-elements static mixer and an intermeshing mixer with venting, among others.

Elastomeric material for rubber articles

A polymer latex composition suitable for rubber articles comprises about 5 to about 65 weight percent of an aromatic vinyl monomer, about 35 to about 90 weight percent of a conjugated diene monomer, and about 0.5 to about 10 weight percent of a component selected from the group consisting of an unsaturated acid monomer, a partial ester of an unsaturated polycarboxylic acid, and mixtures thereof. The polymer latex composition has a gel content of no more than about 85 percent.

Nanoparticle fillers and methods of mixing into elastomers

A nanoparticle includes a copolymer comprising a vinyl-aromatic monomer and a heterocyclic monomer. The copolymer is crosslinked with a multifunctional crosslinking agent polymerizable through an addition reaction. A nanoparticle and elastomer composition is disclosed. Several methods of mixing heterocyclic and non-heterocyclic monomer nanoparticles into an elastomer are also disclosed. These methods include mixing in a multi-elements static mixer and an intermeshing mixer with venting, among others.

Polymers having novel cure system

Impact-resistant polymethacrylate moulding masses with high thermal stability

본 발명은 청구항 1에 따른 (메트)아크릴레이트 (공)중합체 성분 (a), (b), 및 (c) 및/또는 (d)로부터 제조된 중합체 혼합물에 관한 것이며, 이 중합체 혼합물로부터 제조된 시험편은 2,500 MPa 이상의 인장 모듈러스 (ISO 527), 110℃ 이상의 비캣(Vicat) 연화점 (VSP, ISO 306-B50), 30 kJ/m 2 이상의 내충격성(ISO 179-2D, 평면 방향) 및 1.0 cm 3 /10분 이상의 용융 지수(MVR, ISO 1133, 230℃/3.8kg)의 특성을 갖는다. 본 발명은 또한 사출 성형물 및 사출 성형물을 제조하기 위한 중합체 혼합물의 용도에 관한 것이다. The present invention relates to a polymer mixture prepared from (meth) acrylate (co) polymer components (a), (b) and (c) and / or (d) according to claim 1, Test specimens have a tensile modulus of at least 2,500 MPa (ISO 527), a Vicat softening point (VSP, ISO 306-B50) at 110 ° C. or higher, impact resistance of at least 30 kJ / m 2 (ISO 179-2D, planar orientation) and 1.0 cm 3 Melt index (MVR, ISO 1133, 230 ° C./3.8 kg) of at least 10 minutes. The present invention also relates to the use of injection moldings and polymer mixtures for the production of injection moldings. 사출 성형물, 내충격성, 폴리(메트)아크릴레이트, 메틸 메타크릴레이트, 스티렌, 말레산 무수물 Injection molding, impact resistance, poly (meth) acrylate, methyl methacrylate, styrene, maleic anhydride

Carboxylic acid modified nitrile based copolymer latex compotision, latex composition for dip-forming comprising the copolymer latex composition and article formed by the composition

본 발명은 카르본산 변성 니트릴계 공중합체 라텍스 조성물에 관한 것으로, 보다 상세하게는 카르본산 변성 니트릴계 공중합체를 포함하는 카르본산 변성 니트릴계 공중합체 라텍스 조성물에 있어서, 상기 카르본산 변성 니트릴계 공중합체는 카르복시 알킬 (메타)아크릴레이트 단량체 유래 반복단위, 및 술폰산 염 또는 술포산 에스테르를 포함하는 에틸렌성 불포화 술폰산 단량체 유래 반복단위를 포함하는 것인 카르본산 변성 니트릴계 공중합체 라텍스 조성물, 이를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 성형된 성형품을 제공한다. The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex composition, and more particularly, in the carboxylic acid-modified nitrile-based copolymer latex composition comprising a carboxylic acid-modified nitrile-based copolymer, the carboxylic acid-modified nitrile-based copolymer is a carboxylic acid-modified nitrile-based copolymer latex composition comprising a repeating unit derived from a carboxyalkyl (meth)acrylate monomer, and a repeating unit derived from an ethylenically unsaturated sulfonic acid monomer including a sulfonic acid salt or sulfonic acid ester, dip containing the same Provided are a latex composition for molding and a molded article formed therefrom.

Impact resistant poly(meth)acrylate moulding composition with high heat resistance

Curable latex composition, films and foams formed therefrom and method for curing the composition

This invention relates to a curable latex composition, films and foams produced therefrom and method for preparing said curable latex composition. The composition comprises a carboxylated latex, an epoxy resin emulsion containing an organo-soluble or organo-miscible catalyst and a water-soluble catalytic curing agent. The carboxylated latex comprises a copolymer of from 0 to 75 percent by weight of a vinyl aromatic monomer, from 0 to 85 percent by weight of a diene monomer and from 0.5 to 25 percent by weight of an ethylentically unsaturated carboxylic acid monomer, all weight percentages based on the total weight of the copolymer. The latex is produced by emulsion polymerization of one or more monomers in an aqueous environment. The various components of the curable latex composition may be maintained separately until shortly before use because of their ambient temperature curing properties. In some instances two or more components which do not react with each other can be premixed. The present curable latex composition has improved shelf life, cures fast at relatively low temperature and provides plastic films or foams with improved moisture resistance and other physical properties. This composition is suitable for use as latex foam backing of textiles, textile and lamination adhesive and synthetic carpet grass coating.

Method for preparing compositions for dipforming dipforming product and mehtod for preparing thereof

본 발명은 딥 성형용 조성물의 제조방법, 딥 성형품 및 그 제조 방법에 관한 것으로서, 본 발명에 따르면, 황 및 가황 촉진제를 미사용하면서 딥 성형품을 제조할 수 있는 조성물을 제공함과 동시에 딥 성형품 제조 공정 중의 긴 교반 숙성 공정을 생략하여 생산성을 높이고, 종래의 황 및 가황 촉진제가 유발하는 부작용에 의한 문제점을 해결할 수 있다. According to the present invention, there is provided a composition capable of producing a dip-molded article while the sulfur and the vulcanization accelerator are not used, and at the same time, it is possible to provide a composition for dip- It is possible to omit the long stirring aging step to increase the productivity and solve the problems caused by the side effects caused by the conventional sulfur and vulcanization accelerator.

Elastomer material for rubber articles

适用于制备橡胶制品的聚合物胶乳组合物包含约5wt%至约65wt%的芳香乙烯基单体,约35wt%至约90wt%的共轭二烯单体,和约0.5wt%至约10wt%的选自不饱和羧酸单体、不饱和多元羧酸的偏酯及其混合物的组分。聚合物胶乳组合物的胶体含量不高于约85%。

Article containing both thermoplastic and elastomer

본 발명은 탄성중합체, 열가소성 물질, 촉진제, 소포제, 항산화제, 가교제, 착색제, 계면활성제, 충전제, pH 조정제 및 분산 매질을 포함하는 라텍스 제제에 관한 것이며, 여기서, 라텍스 제제는 5 중량% 내지 40 중량% 범위의 총 고형분 함량을 가진다. 나아가, 본 발명은 열가소성 물질과 탄성중합체를 모두 포함하는 장갑을 제조하기 위한 라텍스 제제의 제조 방법을 개시하며, 상기 방법은 탄성중합체를 열가소성 물질과 배합하여, 열가소성 물질과 탄성중합체를 모두 포함하는 분산액을 생성하고, 상기 열가소성 물질과 탄성중합체를 모두 포함하는 분산액을 교반하는 단계, 특정한 순서 없이 하나씩 교반하면서 촉진제, 소포제, 항산화제, 가교제, 착색제, 계면활성제 및 충전제, 뒤이어 pH 조정제를 상기 열가소성 물질과 탄성중합체를 모두 포함하는 분산액에 첨가하여, 라텍스 제제를 생성하는 단계, 및 상기 라텍스 제제를 계속 교반하고 상기 라텍스 제제를 숙성시키는 단계로서, 여기서, 라텍스 제제의 총 고형분 함량은 상기 라텍스 제제로의 분산 매질의 첨가에 의해 5 중량% 내지 40 중량%로 조정되고 라텍스 제제의 pH 범위는 9 내지 11로 조정되는, 단계를 포함한다.

For manufacturing the latex formulations of elastomer product

一种胶乳制剂，其用于制造弹性体产品，更具体地是是弹性体手套，该胶乳制剂包括至少一种基础聚合物、交联剂以及pH调节剂的混合物，其中该pH调节剂提供9.5‑10.5的pH范围。更进一步地，本发明公开了一种制备胶乳制剂的方法，该胶乳制剂用于在不使用促进剂、氧化锌和硫的情况下制造弹性体产品，更具体地是弹性体手套，该方法包括下述步骤：将基础聚合物和pH调节剂混合，将该混合物搅拌20分钟‑30分钟的时间段，向该混合物中加入交联剂，将该混合物搅拌1小时，可选地，向该混合物中加入至少一种或多种添加剂，向该混合物中加入水以实现总固体含量(TSC)在13％w/w‑30％w/w之间，以及使该混合物熟化。

Latex composition for dip-forming, dip article comprising the same and method for dip article using the same

본 발명은 카르본산 변성 니트릴계 공중합체 라텍스; 및 3 이상의 분지쇄를 가지며 상기 분지쇄의 말단에 반응성기를 포함하는 반응성 화합물을 포함하며, 상기 반응성기는 아민기, 히드록시기, 에폭시기, 글리시딜기, 및 이소시아네이트기로 이루어진 군에서 선택되는 1 이상인 딥 성형용 라텍스 조성물에 관한 것이다. The present invention is a carboxylic acid-modified nitrile-based copolymer latex; and a reactive compound having three or more branched chains and including a reactive group at an end of the branched chain, wherein the reactive group is at least one selected from the group consisting of an amine group, a hydroxyl group, an epoxy group, a glycidyl group, and an isocyanate group. It relates to latex compositions.

Non-sticky latex product

Latex composition for dip-forming and dip-formed article produced therefrom

본 발명은 카르본산 변성 니트릴계 공중합체 라텍스; 및 스티렌계 고분자 유화제;를 포함하는 딥 성형용 라텍스 조성물 및 이로부터 제조된 딥 성형품에 관한 것으로서, 카르본산 변성 니트릴계 공중합체 라텍스와 스티렌계 고분자 유화제를 혼합하여 사용함으로써 시너리시스(syneresis) 시간을 늘릴 뿐만 아니라 계면활성제를 첨가하는 기존의 라텍스 조성물 보다 거품발생을 감소시켜 공정 작업성이 우수한 효과가 있다. The present invention relates to a carboxylic acid-modified nitrile-based copolymer latex; And a styrenic polymer emulsifier and a dip molded product produced therefrom, wherein a syneresis time is obtained by mixing a carboxylic acid modified nitrile-based copolymer latex with a styrenic polymer emulsifier There is an effect of reducing the generation of foams as compared with the conventional latex composition in which a surfactant is added, and thus the processability is excellent.

Latex composition for dip-forming, method for preparing the composition and article formed by the composition

본 발명은 딥 성형용 라텍스 조성물에 관한 것으로, 보다 상세하게는 카르본산 변성 니트릴계 공중합체 라텍스 및 소수성으로 개질된 알칼리 용해성 에멀젼 증점제를 포함하는 딥 성형용 라텍스 조성물에 있어서, 상기 소수성으로 개질된 알칼리 용해성 에멀젼 증점제는 회합부 및 비회합부를 포함하는 공중합체를 포함하고, 상기 회합부는 탄소수 8 내지 탄소수 15의 알킬, 알케닐, 퍼플루오로알킬 및 카르보실릴과, 탄소수 6 내지 탄소수 15의 아릴, 아릴알킬, 아릴알케닐, 지환족 알킬 및 다환족 알킬로 이루어진 군으로부터 선택된 1종 이상의 제1 소수성기가 치환된 단량체 유래 반복단위를 포함하는 것인 딥 성형용 라텍스 조성물, 이의 제조방법 및 이로부터 제조된 성형품을 제공한다. The present invention relates to a latex composition for dip molding, and more particularly, in the latex composition for dip molding comprising a carboxylic acid-modified nitrile-based copolymer latex and a hydrophobically modified alkali-soluble emulsion thickener, the hydrophobically modified alkali The soluble emulsion thickener comprises a copolymer comprising an associative and non-associated moiety, wherein the associative moiety comprises an alkyl, alkenyl, perfluoroalkyl and carbosilyl having 8 to 15 carbon atoms, an aryl having 6 to 15 carbon atoms, A latex composition for dip molding comprising a repeating unit derived from a monomer substituted with at least one first hydrophobic group selected from the group consisting of arylalkyl, arylalkenyl, alicyclic alkyl and polycyclic alkyl, method for preparing the same, and preparation thereof molded products are provided.

Foamable aqueous composition

A frothable aqueous composition that includes a polymeric binder, and a froth aid that includes a polypropylene glycol, a polypropylene glycol ether, or a combination thereof, where the froth aid has a weight average molecular weight of 130 to 2000, as a carpet backing.

Elastomeric rubber and rubber articles free from sulphur and vulcanising accelerator

FIELD: chemistry. SUBSTANCE: invention refers to an elastomeric rubber glove made of a cross-linked elastomeric rubber film, which is formed of a layer deposited on a latex cast or ingot with vulcanising the deposited layer with no sulphur or vulcanising accelerators used. A film formulation contains carboxylate acrylonitrile butadiene latex mixed with metacrylic acid, or self-cross-linked carboxylate acrylonitrilebutadiene latex, metal oxide and pH adjuster for reducing pH from 9 to 10; the total solid phase concentration in the formulation falls within the range of 18 to 30%, whereas the total solid phase concentration is changed by water. EFFECT: formulation is vulcanised with no conventional sulphur and accelerators used that reduces a probability of the contact type 1 immediate hypersensitivity and type IV delayed hypersensitivity. 20 cl, 8 tbl, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C08L 13/02 C08J 5/02 C08L 9/04 B29C 41/14 C08K 3/22 (13) 2 558 587 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012127247/05, 01.12.2009 (24) Дата начала отсчета срока действия патента: 01.12.2009 (43) Дата публикации заявки: 10.01.2014 Бюл. № 1 (73) Патентообладатель(и): КОССАН Эс-Ди-Эн Би-Эйч-Ди (MY) R U Приоритет(ы): (22) Дата подачи заявки: 01.12.2009 (72) Автор(ы): ХУ Сион Хуи (MY), ЛИМ Лоуренс Сиау Тян (MY), ЛИ Сэк Пхин (MY), ОН Ен Лон (MY) (45) Опубликовано: 10.08.2015 Бюл. № 22 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 02.07.2012 (86) Заявка PCT: 2 5 5 8 5 8 7 (56) Список документов, цитированных в отчете о поиске: US 20060057320 А1, 16.03.2006. US 20030017286 A1, 21.01.2003. WO 2004044037 A1, 27.05.2004. RU 2007108352 A1, 20.10.2008. RU 2358626 C2, 20.06.2009 2 5 5 8 5 8 7 R U (87) Публикация заявки PCT: WO 2011/068394 (09.06.2011) Адрес для переписки: 190013, Санкт-Петербург, а/я 186, Можайскому М.А. (54) ЭЛАСТОМЕРНАЯ РЕЗИНА И ...

Carboxylic acid-modified nitrile-based copolymer latex composition, latex composition for dip molding containing the same, and molded products formed thereby.

Carboxylic acid modified-nitrile based copolymer latex, latex composition for dip-forming comprising the same

본 발명은 가교성 작용기를 가지는 불포화 단량체를 포함하는 카르본산 변성 니트릴(nitrile)계 공중합체 라텍스, 이를 포함하는 딥 성형용 라텍스 조성물, 및 이로부터 제조된 성형품에 관한 것으로서, 비닐기 및 에폭시기 중에서 선택된 가교성 작용기를 가지는 불포화 단량체를 사용하여 제조된 카르본산 변성 니트릴계 공중합체 라텍스를 사용함으로써 긴 교반 숙성 공정이 없고, 황 및 가황 촉진제에 의한 알레르기 반응도 일으키지 않으며, 내유성과 기계적 강도가 높고 부드러운 촉감을 가지는 성형품 제조가 가능하다. The present invention relates to a carboxylic acid-modified nitrile copolymer latex comprising an unsaturated monomer having a crosslinkable functional group, a latex composition for deep molding comprising the same, and a molded article prepared therefrom, wherein the selected product is selected from vinyl and epoxy groups. By using a carboxylic acid-modified nitrile copolymer latex prepared using an unsaturated monomer having a crosslinkable functional group, there is no long stirring aging process, no allergic reaction by sulfur and vulcanization accelerator, high oil resistance and high mechanical strength, and a soft touch. Eggplants can be manufactured. 가교성작용기*비닐*에폭시기*카르본산 변성 공중합체*라텍스*딥성형*성형품 Crosslinkable functional group * Vinyl * Epoxy * Carbonic acid modified copolymer * Latex * Dip molding * Molded product

Latex composition for producing elastomeric articles

FIELD: chemistry. SUBSTANCE: invention relates to a composition and a method of producing elastomeric articles. Described is a latex composition for making elastomeric articles, comprising a mixture of a base polymer, wherein the base polymer is a carboxylated acrylonitrile-butadiene polymer; a cross-linking agent; with a pH regulator to provide a pH range of 9.5 to 10.5; characterized in that the cross-linking agent is a mixture of a trivalent metal or a trivalent metal compound; polyethylene glycol, wherein ethylene glycol polyethylene glycol has a molecular weight in range of 200 Dalton to 200,000 Daltons; a compound containing a hydroxide ion, wherein the compound containing a hydroxide ion is selected from a group consisting of potassium hydroxide, sodium hydroxide, ammonium hydroxide or mixtures thereof. Also described is a method of producing a latex composition and elastomer gloves. EFFECT: technical result is higher efficiency of latex composition and improved physical and mechanical properties of articles from composition. 30 cl, 8 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 694 346 C2 (51) МПК C08L 21/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08L 21/02 (2019.02) (21)(22) Заявка: 2016150521, 29.09.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: (73) Патентообладатель(и): ТОП ГЛАВ СДН. БХД. (MY) 11.07.2019 (56) Список документов, цитированных в отчете о поиске: US 20120246799 A1, 04.10.2012. US 06.11.2014 MY PI2014003115 (43) Дата публикации заявки: 06.12.2018 Бюл. № 34 20030017286 A1, 23.01.2003. RU 2358626 C2, 20.06.2009. (45) Опубликовано: 11.07.2019 Бюл. № 20 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 06.06.2017 2 6 9 4 3 4 6 Приоритет(ы): (30) Конвенционный приоритет: R U 29.09.2015 (72) Автор(ы): ТУНГ Цыань Ин (MY), ЛИМ Кэув Вэй (MY), ВОНГ Чун Бань (MY) MY 2015/050110 (29.09.2015) C 2 C 2 (86) Заявка PCT: (87) Публикация заявки PCT: R U 2 ...

Composition for dip molding and dip-molded article

본 발명의 딥 성형용 조성물은, α,β-에틸렌성 불포화 니트릴 단량체 단위, 및 공액 디엔 단량체 단위를 갖고, 상기 공액 디엔 단량체 단위의 적어도 일부를 수소화하여 이루어지는 니트릴기 함유 고포화 공중합체 고무 (a) 의 라텍스 (A) 를 포함한다. 본 발명의 딥 성형품은 상기 딥 성형용 조성물을 딥 성형하여 이루어진다. The composition for dip molding of the present invention has an α,β-ethylenically unsaturated nitrile monomer unit and a conjugated diene monomer unit, and a nitrile group-containing highly saturated copolymer rubber (a ) Of latex (A). The dip-molded article of the present invention is formed by dip-molding the dip-molding composition.

Method of producing latex and application of obtained latex produced therewith

FIELD: manufacturing technology. SUBSTANCE: invention relates to a method for producing latexes used for the production of various products by submersible dipping. Latex is obtained in semi-periodic mode, by obtaining a seed latex, adding to the seed latex water, at least one protective colloid, an initiating system, and part of the main mixture of monomers. Main part of the monomers contains 80–85 wt. % of conjugated diene and carboxylate agent of the total amount in the composition of the main mixture and 100 wt.% vinyl monomer selected from vinyl ethers, nitriles and arylolefins, based on the total amount of this monomer in the main mixture. Simultaneously with the monomers, a molecular weight regulator, an emulsifier and a polymerization activator are introduced. 45–75 minutes before the end of dosing the main part of the mixture of monomers in the reaction zone injected the remaining 15–20 wt. % monomers of the main mixture. EFFECT: latex and its use as a material for the production of various products by submersible dipping is described. 28 cl, 4 tbl, 7 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 677 260 C1 (51) МПК C08F 2/00 (2006.01) C08L 9/10 (2006.01) C08L 13/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08F 2/00 (2018.08); C08L 9/10 (2018.08); C08L 13/02 (2018.08) (21)(22) Заявка: 2018123588, 28.06.2018 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Публичное акционерное общество "СИБУР Холдинг" (RU) Дата регистрации: 16.01.2019 (45) Опубликовано: 16.01.2019 Бюл. № 2 2 6 7 7 2 6 0 R U (54) СПОСОБ ПОЛУЧЕНИЯ ЛАТЕКСА И ПРИМЕНЕНИЕ ПОЛУЧЕННОГО ТАКИМ СПОСОБОМ ЛАТЕКСА (57) Реферат: Изобретение относится к способу получения виниловых эфиров, нитрилов и арилолефинов, от латексов, применяемых для производства общего количества данного мономера в составе различных изделий методом погружного макания. основной смеси. Одновременно с мономерами Латекс получают в ...

DIP MOLDING LATEX, DIP MOLDING LATEX COMPOSITION AND DIP MOLDED ARTICLE

ブタジエン単位とイソプレン単位とを含む共役ジエン単量体単位（Ａ）４０〜８０重量％、エチレン性不飽和ニトリル単量体単位（Ｂ）１０〜４５重量％、およびエチレン性不飽和酸単量体単位（Ｃ）２〜１５重量％からなり、前記ブタジエン単位と前記イソプレン単位との含有割合が、重量比で、ブタジエン単位：イソプレン単位＝４０：６０〜９５：５である共重合体を含有してなるディップ成形用ラテックス。本発明によれば、耐油性に優れ、風合いが良好で、高い引張強度を有する成形品を与えることができるディップ成形用ラテックスを提供できる。 Conjugated diene monomer unit (A) containing 40 to 80% by weight of butadiene unit and isoprene unit, 10 to 45% by weight of ethylenically unsaturated nitrile monomer unit (B), and ethylenically unsaturated acid monomer A copolymer comprising 2 to 15% by weight of the unit (C), wherein the content ratio of the butadiene unit and the isoprene unit is butadiene unit: isoprene unit = 40: 60 to 95: 5 by weight ratio. Latex for dip molding. ADVANTAGE OF THE INVENTION According to this invention, the latex for dip shaping | molding which can give the molded article which is excellent in oil resistance, has a favorable feel, and has high tensile strength can be provided.

Preparation method of graphene hydrogel modified latex and graphene modified hydrogel rubber glove

本发明涉及石墨烯水凝胶改性乳胶，包含下述按重量份配比的组分：羧基丁腈胶100份，氢氧化钾1‑2份，硫磺1‑1.5份，氧化锌1.5‑3份，促进剂0.5‑1.2份，分散剂0.01‑0.03份，石墨烯水凝胶5‑50份。石墨烯改性水凝胶橡胶手套的制备方法，包括，石墨烯水凝胶改性乳胶，粘度控制在3000‑5000mps，静置；预热手套芯；浸渍凝固剂；浸渍石墨烯水凝胶改性乳胶；在胶面均匀撒上盐定型；预硫、泡洗、硫化。制作出相比传统手套更加耐磨、抗撕裂、导电、抗腐蚀的高性能防护手套。

Method for producing a prophylactic article

The invention relates to a method for producing a prophylactic article, in particular a glove, formed by a (carboxylated) diene rubber, whereby at least one layer of a (carboxylated) diene latex is applied to a mould, and the (carboxylated) diene latex is cross-linked with a cross-linking agent, wherein a multi-functional monomer and/or polymer is used as a cross-linking agent, which is added to the (carboxylated) diene latex and dissolved in same, or emulsified or dispersed in same, and/or a mercapto-functional siloxane polymer is used a a cross-linking agent.

How to make gloves

Method for producing a prophylactic item

Die Erfindung betrifft ein Verfahren zum Herstellen eines Prophylaxeartikels, insbesondere eines Handschuhs, aus einem (carboxylierten) Dienkautschuk, nach dem auf eine Form zumindest eine Schicht aus einem (carboxylierten) Dienlatex aufgebracht wird, und der (carboxylierte) Dienlatex mit einem Vernetzungsmittel vernetzt wird, wobei als Vernetzungsmittel ein mehrfach funktionelles Monomer und/oder Polymer verwendet wird, das dem (carboxylierten) Dienlatex zugesetzt und in diesem gelöst oder in diesem emulgiert bzw. dispergiert wird, wobei das Vernetzungsmittel ausgewählt wird aus einer Gruppe bestehend aus mehrfachfunktionellen Epoxiden, mehrfachfunktionellen Silanen, mehrfachfunktionellen Siloxanen, mehrfachfunktionellen polymeren Thiolen, sowie Mischungen daraus.

Method for producing a prophylactic article

According to a method for the manufacture of a prophylactic article, especially of a glove, from a (carboxylated) diene rubber, at least one layer of a (carboxylated) diene latex is applied on a former and the (carboxylated) diene latex is cross-linked with a cross-linking agent, wherein a mercapto-functional siloxane polymer is used as cross-linking agent.

VULCANIZATION OF DUSKED RUBBER MATERIALS BY MEANS OF A MELTING BELT

Double-donnable glove

Rubber composition and molded article

본 발명은, 내열성이 우수한 성형체, 및 당해 성형체를 형성 가능한 고무 조성물을 제공하는 것을 목적으로 한다. 본 발명의 고무 조성물은, 카르복실기를 1개 이상 함유하는 에틸렌성 불포화 단량체 단위를 갖는 고무와, 1개 이상의 아미노기 및 3고리 이상의 방향족 축합고리 구조를 갖는 화합물과, 카본 나노튜브를 포함한다. 또한, 본 발명의 성형체는, 당해 고무 조성물을 성형하여 이루어진다.

Elastomer rubber and elastomer rubber products that do not use vulcanization accelerators and sulfur

An elastomer composition comprising, an emulsion which comprises 25-30 weight % of acrylonitrile, 62-71 weight % of butadiene and 4-8 weight % of unsaturated carboxylic acid (total 100 weight %), wherein crosslink is formed by a bond through at least a part of substituent which is possessed by said unsaturated carboxylic acid, and residual substituent of at least one part of substituent which is possessed by said unsaturated carboxylic acid is left in state of free, further Mooney viscosity (ML (1+4) (100°C)) of the crosslinked product is 100-220, wherein thin film gloves composed of said elastomer does not contain sulfur which is a crosslinking agent and sulfur composition which is a vulcanization accelerator, thickness is 0.05-0.15mm, gloves swelling ratio at gloves formation is 240-320, tensile stress is 22-35 MPa, elongation to break is 480-620% and tensile stress at 500% elongation is 15-35 MPa.

Gloves put on one pair to another

FIELD: chemistry. SUBSTANCE: polychloroprene article contains polymer easily (in comparison with polychloroprene) chlorinated. The method of fabrication includes the article forming from water dispersion or polychloroprene solution. The method comprises including to dispersion or to polychloroprene solution one or more polymers easily (in comparison with polychloroprene) chlorinated. Preferentially the article represents the glove made of polychloroprene and containing carboxylated butadiene-acrylonitrile rubber, carboxylated styrene-butadiene rubber or polyisoprene. EFFECT: decreasing of surface layer facilitates putting on gloves one pair to another. 13 cl, 5 ex ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß RU (19) (11) 2 325 278 (13) C2 (51) ÌÏÊ B29C C08J C08L C08L 41/14 (2006.01) 5/02 (2006.01) 11/02 (2006.01) 13/02 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2004136305/04, 14.05.2003 (72) Àâòîð(û): ÒÅÎÕ Ñåíã ×èí (GB), ÂÈËËÜßÌÑ Ïèòåð Âèíí (MY) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 14.05.2003 (73) Ïàòåíòîîáëàäàòåëü(è): ÐÈÄÆÅÍÒ ÌÅÄÈÊÀË ËÈÌÈÒÅÄ (GB) R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 14.05.2002 (ïï.1-13) GB 0211027.8 (43) Äàòà ïóáëèêàöèè çà âêè: 10.05.2005 (45) Îïóáëèêîâàíî: 27.05.2008 Áþë. ¹ 15 2 3 2 5 2 7 8 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: WO 99/24507 À1, 20.05.1999. US 6195805 Â1, 06.03.2001. GB 2270618 À, 23.03.1994. RU 2157711 Ñ2, 20.10.2000. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 14.12.2004 2 3 2 5 2 7 8 R U (87) Ïóáëèêàöè PCT: WO 03/095172 (20.11.2003) C 2 C 2 (86) Çà âêà PCT: GB 03/02083 (14.05.2003) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Å.Å.Íàçèíîé, ðåã. ¹ 517 (54) ÏÅÐ×ÀÒÊÈ, ÍÀÄÅÂÀÅÌÛÅ Â ÄÂÀ ÑËÎß (57) Ðåôåðàò: Èçîáðåòåíèå îòíîñèòñ ê èçäåëè ì èç ïîëèõëîðîïðåíà è áîëåå êîíêðåòíî ê ïåð÷àòêàì èç ïîëèõëîðîïðåíà, â ÷àñòíîñòè ê õèðóðãè÷åñêèì ïåð÷àòêàì. Èçäåëèå èç ...

Thin, smooth nitrile rubber gloves

一种弹性手套，其包括：手套主体，其包括由腈基-丁二烯胶乳制得的弹性腈基-丁二烯橡胶的柔性层，该手套主体具有形成手套主体穿戴面的经氯化处理的第一表面和形成手套主体抓握面的未经氯化处理的第二表面；所述手套主体的未经氯化处理的第二表面上大致均匀地分布有脱模剂；其中，所述手套主体：(a)按照美国测试与材料协会D3767规程A测得的手套主体的手掌区的平均厚度大约在0.03至0.12毫米之间；(b)手套主体的未经氯化处理的第二表面的表面均方根粗糙度在大约3.00微米至大约6.55微米之间；并且(c)大体上依照美国测试与材料学会D5151-06对所述弹性手套进行针孔缺陷测试时，不合格率小于约1％。

Manufacturing method of gloves

이소프렌 유래의 단량체 단위를 갖지 않는 카르복실기 함유 공액 디엔계 고무(A)의 라텍스와, 2가 이상의 금속을 포함하는 금속 화합물(B)을 함유하는 라텍스 조성물을 딥 성형함으로써 딥 성형층을 형성하는 공정과, 상기 딥 성형층에 방사선을 조사하는 공정을 구비하는 장갑의 제조 방법을 제공한다.

Latex composition, the rubber cross object of nitrile rubber composition, high saturation nitrile rubber

本发明提供腈橡胶组合物，其特征在于，含有：以8～60重量％的比例含有α,β‑烯属不饱和腈单体单元、碘值为120以下的高饱和腈橡胶(A)，以及烷基化酚化合物(B)，上述烷基化酚化合物(B)相对于上述高饱和腈橡胶(A)和上述烷基化酚化合物(B)的合计的含有比例为0.01～1重量％，在使上述腈橡胶组合物分散在水中而制成了水分散液的状态下，在70℃保存了7天后的可塑度η2与进行该保存前的可塑度η1的差(η2‑η1)为12以下。

Vulcanization accelerator- and sulfur-free elastomer rubber glove for clean rooms

아크릴로나이트릴 25 내지 30 중량%, 부타디엔 62 내지 71 중량% 및 불포화 카르복시산 4 내지 8 중량%(전체 100 중량%)를 포함하고, 상기 불포화 카르복시산이 가지는 적어도 일부의 치환기는 결합에 의해 가교 되고, 불포화 카르복시산이 가지는 적어도 일부의 치환기 중 잔여의 치환기는 2가 금속에 의해 가교 되고 있는 엘라스토머로부터 형성되는 장갑이며, 가교제인 황 및 가황 촉진제인 황 화합물을 포함하지 않고, 상기 불포화 카르복시산이 가지는 적어도 일부의 치환기가 결합에 의해 가교된 상기 엘라스토머의 무니 점도(ML (1＋4) (100℃))는 100 내지 220이며, 장갑의 특성으로서 엘라스토머의 박막의 장갑은 가교제로서 황 및 가황 촉진제로서의 황 화합물을 포함하지 않고, 두께가 0.05 내지 0.15 mm이며, 장갑 형성시의 장갑 팽윤 비율은 240 내지 320이며, 인장강도가 22 내지 35 MPa, 파단시의 연신율은 480 내지 620%이며, 연신율 500%에 있어서의 인장강도는 15 내지 35 MPa이며, 장갑 사용자의 손과 접촉하는 면은 점착성을 없앤 상태이고, 작업시에 물질과 접촉하는 면은 부드럽고(smooth), 불순물로서 포함되는 금속 또는 금속염은 용출처리 되어서 포함되는 금속, 금속염 또는 음이온의 함유량이 감소된 것을 특징으로 하는 장갑. Wherein at least some of the substituents of the unsaturated carboxylic acid are bridged by a bond, and wherein at least a part of the substituent of the unsaturated carboxylic acid is crosslinked, The substituent remaining in at least some of the substituents of the unsaturated carboxylic acid is a glove formed from an elastomer crosslinked by a divalent metal and does not contain a sulfur compound which is a crosslinking agent and a sulfur compound which is a vulcanization accelerator and at least a part of the unsaturated carboxylic acid The Mooney viscosity (ML (1 + 4) (100 ° C)) of the elastomer crosslinked by a substituent group is 100 to 220. As the characteristics of gloves, the glove of the elastomer thin film contains sulfur as a crosslinking agent and a sulfur compound as a vulcanization accelerator The thickness is 0.05 to 0.15 mm, the glove swelling ratio at the time of glove formation is 240 to 320, A tensile strength at a stretching ratio of 500% is 15 to 35 MPa, a surface of the glove in contact with the hand of the user is not tacky, and the tensile strength at the time of work is in the range of 20 to 35 MPa and the elongation at break is 480 to 620% Is smooth and the metal or metal salt contained as an impurity is eluted to reduce the content of the metal, metal salt or anion contained therein. ...

Preparation of low viscosity polymer water dispersions having a polymer concentration of at least 50% by volume.

중합체 농도가 50 부피% 이상이고, 점도가 1000mPa·s 미만인 저점도의 중합체 수분산물의 제조 방법이 개시되어 있다. 이 방법으로 얻을 수 있는 중합체 분산물도 또한 기재되어 있다.

A kind of rubber/graphene composite material preparation method with isolation structure

本发明公开一种具有隔离结构的橡胶/石墨烯复合材料的制备方法，所述方法包括：在超声波作用下，以阳离子聚电解质为分散剂和表面改性剂，对石墨烯进行表面功能化处理；通过石墨烯表面吸附水溶性的阳离子聚电解质，制备得到分散均匀的功能化石墨烯悬浮液。然后，将功能化石墨烯与羧基丁苯胶乳和丁苯胶乳的混合胶乳进行均匀共混，其中，功能化石墨烯能够选择性与羧基丁苯胶乳粒子发生静电吸附作用和氢键作用，促使两者组装形成隔离结构；并通过丁苯胶乳粒子的体积排除效应，有效地实现石墨烯选择性分散于羧基丁苯橡胶相中，最后直接热压制备得到具有连续隔离结构的丁苯橡胶/石墨烯复合材料。这为制备低渗流阈值、加工性能和综合性能良好的导电橡胶复合材料提供了新的思路。

Polymer fine particle dispersed resin composition and method for producing the same

弾性率（剛性）、耐熱性、靭性、及び、耐衝撃性に優れ、また、これらがバランスした新たな樹脂の改質手段を提供する。樹脂１００重量部、及び、架橋ポリマー層と被覆ポリマー層の少なくとも２層を有するポリマー微粒子０．１重量部〜１５０重量部を含むポリマー微粒子分散樹脂組成物であって、該樹脂中での該ポリマー微粒子の粒子分散率が５０％以上であり、該架橋ポリマー層が、単独重合体のＴｇが０℃以上となる１種類以上のモノマー５０重量％〜９９重量％、及び、単独重合体のＴｇが０℃未満となる１種類以上のモノマー５０重量％〜１重量％から構成されるポリマー微粒子分散樹脂組成物。 Provided is a new resin reforming means that is excellent in elastic modulus (rigidity), heat resistance, toughness, and impact resistance, and in which these are balanced. A polymer fine particle-dispersed resin composition comprising 100 parts by weight of a resin and 0.1 part by weight to 150 parts by weight of polymer fine particles having at least two layers of a crosslinked polymer layer and a coating polymer layer, wherein the polymer in the resin The particle dispersion ratio of the fine particles is 50% or more, and the crosslinked polymer layer is composed of 50% by weight to 99% by weight of one or more kinds of monomers in which the Tg of the homopolymer is 0 ° C. or more, and the Tg of the homopolymer is A polymer fine particle-dispersed resin composition composed of 50% by weight to 1% by weight of one or more monomers having a temperature of less than 0 ° C.

Thin smooth nitrile rubber gloves

FIELD: medicine. SUBSTANCE: invention refers to making synthetic gloves for medical examination. A nitrile rubber glove for medical examination consists of a glove body which represents an elastic layer of nitrile butadiene rubber. The glove body has a chlorinated first surface forming a glove body side to be put on, and a non-chlorinated second surface forming a holding surface of the glove surface. Al elastomer glove also comprises a substantially uniform distribution of the release agent distributed over the non-chlorinated second surface of the glove body. The elastomer glove has: (a) an average thickness of 0.03 to 0.12 mm within a palm of the glove body determined as per the standard ASTM D3767; (b) the non-chlorinated second surface of the glove body characterised by a mean-square surface roughness within approximately 3.00 mcm to approximately 6.55 mcm; and (c) a defect rate less than approximately 1% when the elastomer glove is tested for point defect, generally as per the standard ASTM D5151-06. EFFECT: higher breaking strength and elasticity of the gloves. 19 cl, 14 dwg, 7 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 498 784 (13) C2 (51) МПК A61B 19/04 (2006.01) A41D 19/04 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011111293/12, 27.08.2009 (24) Дата начала отсчета срока действия патента: 27.08.2009 (72) Автор(ы): ЛИПИНСКИ Тимоти М. (US), ТАНГ Чунг Кенг (MY) (43) Дата публикации заявки: 20.10.2012 Бюл. № 29 2 4 9 8 7 8 4 (45) Опубликовано: 20.11.2013 Бюл. № 32 (56) Список документов, цитированных в отчете о поиске: WO 9930904 A1, 24.06.1999. US 7176260 B2, 13.02.2007. US 5014362 A, 14.05.1991. US 2006070167 A1, 06.04.2006. RU 2133628 C1, 27.07.1999. RU 2061002 C1, 27.05.1996. 2 4 9 8 7 8 4 R U (86) Заявка PCT: IB 2009/053758 (27.08.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 28.03.2011 (87) Публикация заявки РСТ: WO 2010/023634 (04.03.2010) Адрес для ...

Elastomeric film products with improved chemical resistance

본 발명은, a) 아크릴로니트릴과 부타디엔 또는 이소프렌의 공중합체와 b) 고 스티렌 함량의 스티렌-부타디엔 공중합체의 경화된 혼합물로 필수적으로 이루어진 성형 필름을 포함하는, 예방학적 콘돔, 외과용 장갑, 의학용 검사 장갑 등과 같은 화학적 내성이 증진된 라텍스 필름 생성물을 제공한다. The present invention provides a preventive condom, surgical glove, comprising a molded film consisting essentially of a) a copolymer of acrylonitrile and butadiene or isoprene and b) a cured mixture of styrene-butadiene copolymer of high styrene content. It provides a latex film product with enhanced chemical resistance, such as medical examination gloves.

Thin, smooth nitrile rubber gloves

니트릴-고무 의료검사용 장갑은 니트릴-부타디엔 고무의 유연한 층인 장갑 몸체를 포함한다. 상기 장갑 몸체는 장갑 몸체의 착용 측면을 형성하는 염소화된 제1 표면과 상기 장갑 몸체의 그립 측면을 형성하는 미-염소화된 제2 표면을 갖는다. 상기 탄성체 장갑은 또한 상기 장갑 몸체의 미-염소화된 제2 표면에 걸쳐 분포된 이형제의 실질적으로 균일한 분포를 포함한다. 상기 탄성체 장갑은 (a) 상기 장갑 몸체의 손바닥 부분에 ASTM D3767, 방법 A에 따라 측정된 것으로서 약 0.03 내지 약 0.12㎜ 사이의 평균 두께; (b) 약 3.00㎛ 내지 약 6.55㎛의 제곱근 평균 거칠기(Sq)로 특징지어지는 장갑 몸체의 미-염소화된 제2 표면; 및 탄성체 장갑이 ASTM D5151-06에 따라 일반적으로 핀홀 유출 테스트를 받을 때 약 1퍼센트 미만의 실패율을 갖는다. Nitrile-rubber medical examination gloves include glove body which is a flexible layer of nitrile-butadiene rubber. The glove body has a chlorinated first surface forming the wear side of the glove body and a second chlorine-free surface forming the grip side of the glove body. The elastomeric glove also comprises a substantially uniform distribution of the release agent distributed over the micro-chlorinated second surface of the glove body. Said elastomeric glove comprising: (a) an average thickness between about 0.03 and about 0.12 mm measured in accordance with ASTM D3767, Method A on the palm of the glove body; (b) a micro-chlorinated second surface of a glove body characterized by a root mean square roughness (Sq) of from about 3.00 占 퐉 to about 6.55 占 퐉; And elastomer gloves have a failure rate of less than about 1 percent when subjected generally to pinhole leakage testing according to ASTM D5151-06.

GLOVES WEARED IN TWO LAYERS

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (51) ÌÏÊ 7 (11) (13) 2004 136 305 A B 29 C 41/14 ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2004136305/04, 14.05.2003 (71) Çà âèòåëü(è): ÐÈÄÆÅÍÒ ÌÅÄÈÊÀË ËÈÌÈÒÅÄ (GB) (30) Ïðèîðèòåò: 14.05.2002 GB 0211027.8 (43) Äàòà ïóáëèêàöèè çà âêè: 10.05.2005 Áþë. ¹ 13 (74) Ïàòåíòíûé ïîâåðåííûé: Åãîðîâà Ãàëèíà Áîðèñîâíà (86) Çà âêà PCT: GB 03/02083 (14.05.2003) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Ã.Á. Åãîðîâîé R U Ôîðìóëà èçîáðåòåíè 1. Èçäåëèå èç ïîëèõëîðîïðåíà, èçãîòîâëåííîå èç ïîëèõëîðîïðåíîâîãî ëàòåêñà, ãäå ëàòåêñ ñîäåðæèò îò 4 äî 15 ìàñ.% ëàòåêñà ïîëèìåðà, ãäå ïîëèìåð ïðåäñòàâë åò ñîáîé êàðáîêñèëèðîâàííûé áóòàäèåí-àêðèëîíèòðèëüíûé êàó÷óê, ñîäåðæàùèé (â ðàñ÷åòå íà ìàññó) 3-6% êàðáîíîâîé êèñëîòû, 20-40% àêðèëîíèòðèëà è 60-80% áóòàäèåíà, èëè ïðåäñòàâë åò ñîáîé êàðáîêñèëèðîâàííûé ñòèðîë-áóòàäèåíîâûé êàó÷óê, ëèáî ïîëèèçîïðåí, â òîì ÷èñëå ñèíòåòè÷åñêèé öèñ-1,4-ïîëèèçîïðåí. 2. Ñïîñîá èçãîòîâëåíè èçäåëè èç ïîëèõëîðîïðåíà ïî ï.1, âêëþ÷àþùèé ôîðìèðîâàíèå èçäåëè èç âîäíîé äèñïåðñèè ïîëèõëîðîïðåíà, ñîäåðæàùåé îò 4 äî 15 ìàñ.% ëàòåêñà ïîëèìåðà, ãäå ïîëèìåð ïðåäñòàâë åò ñîáîé êàðáîêñèëèðîâàííûé áóòàäèåí-àêðèëîíèòðèëüíûé êàó÷óê, ñîäåðæàùèé (â ðàñ÷åòå íà ìàññó) 3-6% êàðáîíîâîé êèñëîòû, 20-40% àêðèëîíèòðèëà è 60-80% áóòàäèåíà, èëè ïðåäñòàâë åò ñîáîé êàðáîêñèëèðîâàííûé ñòèðîë-áóòàäèåíîâûé êàó÷óê, ëèáî ïîëèèçîïðåí, â òîì ÷èñëå ñèíòåòè÷åñêèé öèñ-1,4-ïîëèèçîïðåí. 3. Ñïîñîá èçãîòîâëåíè èçäåëè èç ïîëèõëîðîïðåíà ïî ï.2, äîïîëíèòåëüíî âêëþ÷àþùèé ñòàäèþ õëîðèðîâàíè èçäåëè . 4. Èçäåëèå ïî ï.1, ãäå èçäåëèå ïðåäñòàâë åò ñîáîé òîíêîïëåíî÷íîå èçäåëèå. 5. Ñïîñîá ïî ï.2, ãäå èçäåëèå ïðåäñòàâë åò ñîáîé òîíêîïëåíî÷íîå èçäåëèå. 6. Ñïîñîá ïî ï.3, ãäå èçäåëèå ïðåäñòàâë åò ñîáîé òîíêîïëåíî÷íîå èçäåëèå. 7. Èçäåëèå ïî ï.1, ãäå èçäåëèåì âë åòñ ïåð÷àòêà, â îñîáåííîñòè õèðóðãè÷åñêà ïåð÷àòêà. 8. Èçäåëèå ïî ï.4, ãäå èçäåëèåì âë ...

Puncture sealant

Provided is a tire puncture sealant which not only combines low-temperature repair properties with low-temperature stability on a high level but also has excellent puncture sealing properties. This tire puncture sealant is characterized by containing a synthetic rubber latex, having a pressure-sensitive adhesive content less than 2 mass%, and having a degree of gelation at -25ºC, as determined through a Maron mechanical stability test according to JIS-K6387-1:2011, of 0.05% or higher.

Composition on the basis of nitrile rubber, latex composition of high-saturated nitrile rubber and crosslinked rubber

Изобретение относится к композиции на основе нитрильного каучука. Композиция на основе нитрильного каучука включает высоконасыщенный нитрильный каучук, содержащий α,β-этиленненасыщенные нитрильные мономерные звенья в количестве от 8 до 60 вес.%, и с йодным числом 120 или менее, и алкилированное фенольное соединение, в котором процентное содержание алкилированного фенольного соединения относительно суммы высоконасыщенного нитрильного каучука и алкилированного фенольного соединения составляет от 0,01 до 1 вес.%, и разность (η2-η1) между показателем пластичности η2 после выдерживания при 70°С в течение 7 дней в форме водной дисперсии при диспергировании в воде и показателем пластичности η1 до выдерживания составляет 12 или менее. Изобретение позволяет улучшить технологические свойства, а также значительно улучшить напряжение при растяжении вулканизатов из композиции. 4 н. и 5 з.п. ф-лы, 2 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 664 145 C1 (51) МПК C08L 9/02 (2006.01) C08L 9/04 (2006.01) C08K 5/13 (2006.01) C08K 7/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08L 9/02 (2006.01); C08L 9/04 (2006.01); C08K 5/13 (2006.01); C08K 7/02 (2006.01) (21)(22) Заявка: 2017117326, 20.11.2015 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ЗЭОН КОРПОРЕЙШН (JP) Дата регистрации: 15.08.2018 2005/092971 A1, 06.10.2005. JP 2005-516095 A, 02.06.2005. JP 2004-506769 A, 04.03.2004. WO 2014098168 A1, 26.06.2014. RU 2309962 C1, 10.11.2007. SU 971851 A1, 07.11.1982. 27.11.2014 JP 2014-239706 (45) Опубликовано: 15.08.2018 Бюл. № 23 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 27.06.2017 (86) Заявка PCT: 2 6 6 4 1 4 5 R U (87) Публикация заявки PCT: WO 2016/084734 (02.06.2016) C 1 C 1 JP 2015/082674 (20.11.2015) 2 6 6 4 1 4 5 (56) Список документов, цитированных в отчете о поиске: JP 2008-138048 A, 19.06.2008. WO Приоритет(ы): (30) Конвенционный приоритет: R U 20.11.2015 (72) ...

Latex for Dip-Forming, Composition for Dip-Forming, Method of Manufacturing Dip-Formed Article and the Dip-Formed Article manufactured by using the Method

본 발명은 공액 디엔 단량체, 에틸렌성 불포화 니트릴 단량체, 및 에틸렌성 불포화산 단량체를 포함하는 딥 성형용 라텍스에 있어서, 공중합이 가능한 이온 단량체로서 소디움 스티렌 술포네이트(sodium styrene sulfonate)를 더 포함함으로써, 본 발명에 따른 라텍스 제조 시 유화제를 적게 사용할 수 있고, 유화제를 적게 사용하더라도 응집물이 증가하거나 응고물이 반응기에 부착되는 등의 생산상의 문제가 없고, 인장강도가 우수하며 비휘발성 잔류물질(nonvolatile residue, NVR)이 적은 딥 성형용 라텍스, 딥 성형용 조성물, 딥 성형물 제조방법 및 그 방법에 의해 제조된 딥 성형물을 제공한다. The present invention further comprises sodium styrene sulfonate as a copolymerizable ion monomer in a dip molding latex comprising a conjugated diene monomer, an ethylenically unsaturated nitrile monomer, and an ethylenically unsaturated acid monomer. Less emulsifier can be used in the production of latex according to the invention, and even if less emulsifier is used, there is no production problem such as increase of aggregates or coagulum attached to the reactor, excellent tensile strength and nonvolatile residue, A latex for forming dips, a composition for forming dips, a method for producing dip moldings, and a dip molding manufactured by the method are provided.

Rheological methods for high block, tack and scrub resistant coating composition

The present invention is directed to a coating composition or paint comprising a multistage latex with at least first and second stages, wherein the composition or paint is substantially free of volatile organic compounds (VOC) and capable of film formation even in the absence of coalescent agents. The base paint formulation is capable of being tinted at a point-of-sale (i.e. in-store) using a colorant composition of a type and quantity required to produce a paint of desired color and finish. The paints, show improved block resistance, scrub resistance and tack resistance. Rheological techniques as described herein may be used to determine tack resistance, print resistance, and other performance characteristics.

Polymer latex composition for dip-molding applications

본 발명은 (a) 하나 이상의 지방족 공액 디엔 19.9 내지 90중량%; (b) 하나 이상의 불포화 니트릴 9.9 내지 80중량%; (c) 하나 이상의 에틸렌계 불포화 산 0.1 내지 10중량%; (d) 하나 이상의 방향족 비닐 화합물 0 내지 19중량%, 및 (e) (a) 내지 (d)의 임의의 화합물과 상이한 하나 이상의 추가적인 에틸렌계 불포화 화합물 0 내지 20중량% 를 포함하는 에틸렌계 불포화 단량체의 수성 매질 중에서 자유 라디칼 에멀전 중합에 의해 얻어진 반응 생성물을 포함하며, 상기 중량 퍼센트가 단량체의 총량을 기준으로 하고, 상기 에멀전 중합이 ISO 5377(1981-12-15)에 따라 측정된 2 내지 90의 DE를 갖는 분해된 다당류의 존재 하에서 수행되는, 딥 성형 적용을 위한 중합체 라텍스 조성물, 상기한 중합체 라텍스 조성물의 제조 방법, 상기한 중합체 라텍스 조성물을 포함하는 경화성 중합체 라텍스 화합물, 상기한 경화성 중합체 라텍스 화합물을 사용한 딥 성형 라텍스 필름의 제조 방법, 상기한 중합체 라텍스 조성물로부터 제조된 필름 및 상기한 필름을 포함하는 또는 상기한 중합체 라텍스 조성물로 코팅된 물품과 관련된다.

Glove formation composition by dipping method, gloves manufacturing method and gloves

FIELD: satisfaction of human vital needs. SUBSTANCE: invention relates to a composition for gloves dipping, a glove production method and a glove. Composition for glove forming by dipping method comprises at least an elastomer which contains a structural link derived from (meth)acrylonitrile, a structural link derived from an unsaturated carboxylic acid, and a structural link made from butadiene in the polymer backbone chain, polycarbodiimide, zinc oxide and / or aluminum complex, water and at least one pH modifier selected from the ammonium compound and amine compound. In the composition, said elastomer comprises said structural link obtained from acrylonitrile or methacrylonitrile in amount of 20 to 40 wt%, said structural link derived from the unsaturated carboxylic acid, in amount of 1 to 10 wt% and said structural link derived from butadiene in amount of 50 to 75 wt%, said polycarbodiimide contains at least one polycarbodiimide containing a hydrophilic segment in its molecular structure, said polycarbodiimide has an average degree of polymerisation of 3.8 or higher and a carbodiimide equivalent of 260 to 600 and is added in amount of 0.1 to 4.0 % by weight relative to the total dry substance content in said glove forming composition by dipping, zinc oxide and / or said aluminum complex are added in amount of 0.1 to 5.6 % by weight relative to total content of dry substance in said composition for gloves dipping, and said composition for gloves dipping has pH from 9.0 up to 11.5. EFFECT: improved composition for gloves. 9 cl, 7 dwg, 13 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 699 273 C1 (51) МПК A41D 19/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК A41D 19/00 (2019.05) (21)(22) Заявка: 2019100500, 19.12.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): МИДОРИ АНЗЭН СО., ЛТД. (JP) Дата регистрации: 04.09.2019 19.12.2016 JP 2016-246008; 20.12.2016 JP 2016-247196 (45 ...

Dip molded article, latex composition for dip-forming, and methods for preparing them

본 발명은 딥 성형품에 관한 것으로, 보다 상세하게는 딥 성형용 라텍스 조성물 유래층; 및 디아세틸렌계 화합물 유래 반복단위를 포함하는 중합체 유래층을 포함하는 딥 성형품, 딥 성형용 라텍스 조성물 및 이들의 제조방법을 제공한다. The present invention relates to a dip molded article, and more particularly, a layer derived from a latex composition for dip molding; And it provides a dip-molded article comprising a polymer-derived layer comprising a repeating unit derived from a diacetylene-based compound, a latex composition for dip-molding, and a manufacturing method thereof.

Formulation of soft nitrile rubber