OPAKES HOCHSCHLAGFESTES METHYLMETHACRYLAT-BUTADIEN-STYROL-POLYMER ZUR VERBESSERUNG DER SCHLAGFESTIGKEIT VON POLYVINYLCHLORID UND VERFAHREN ZU DESSEN HERSTELLUNG

Die vorliegende Erfindung gibt ein opakes hochschlagfestes Methylmethacrylat-Butadien-Styrol(MBS)-Polymer zur Verbesserung der Schlagfestigkeit von Polyvinylchlorid (PVC) und ein Herstellungsverfahren dafür an und gehört zum technischen Gebiet der Herstellung von PVC-Zusätzen. Das durch die vorliegende Erfindung angegebene MBS schließt, bezogen auf Masse, die folgenden Komponenten ein: 80-95 % Kernschicht;, 4-20 % Schalenschicht und 0,001-0,05 % Schutzkolloid, wobei die Kernschicht ein Polymer aus Butadien (B) und Styrol (S) ist; die Schalenschicht eines oder ein Copolymer aus zwei oder drei von S, Acrylat und Methylmethacrylat (MMA) ist; das Schutzkolloid eines oder eine Verbindung aus zwei oder drei von Polyvinylalkohol (PVA), Gelatine und Hydroxypropylmethylcellulose (HPMC) einschließt. Die vorliegende Erfindung löst die Probleme der geringen Schlagfestigkeit in dem heutigen MBS-Produkt und der schwierigen Koagulation oder Versprühung im Nachbehandlungsprozess.

GRAFT COPOLYMER

... 1344891 Graft polymers and compositions thereof KUREHA KAGAKU KOGYO KK 8 Oct 1971 [8 Oct 1970] 46938/71 Heading C3G A graft polymer is produced by grafting 15 to 45 parts by weight of a mixture of styrene and methyl methacrylate having styrene as the principal constituent and subsequently 11 to 45 parts of methyl methacrylate on to 40 to 70 parts of polybutadiene or butadiene-styrene rubber in latex form, at least 50% by weight of the rubber particles having a size of at least 0-15 micron and less than 15% by weight of the particles having a size of 0À1 micron or less. The graft polymer is blended with vinyl chloride resin. In the example, divinyl benzene is used as cross-linking graft monomer.

VERFAHREN ZUR HERSTELLUNG VON PFROPFPOLYMEREN

PROCESS FOR THE CONTINUOUS MASS POLYMERIZATION OF ALKENYL-AROMATIC COMPOUNDS

Abstract of the disclosure: Styrene-containing polymers are produced by one- or multi-stage prepolymerization and subsequent continous, one- or multi-stage main polymerization with final working up. In the manin polymerization stage(s) the mixture is subjected simultneously to a heat exchange and a static mixing procedure.

Procédé de fabrication de polymères greffés réticulés

RUBBER GRAFT COPOLYMER, AND THERMOPLASTIC RESIN COMPOSITION CONTAINING RUBBER GRAFT COPOLYMER

Mixtures of hydrocarbon vinyl chloride polymers elastomer and

Graft polymers and compositions of high impact strength

THERMOPLASTIC COMPOSITION MODIFIEE SHOCK AMELIOREE

La présente invention concerne des compositions thermoplastiques comprenant en tant que modifiant choc un élastomère contenant un polymère greffé préparé par le procédé de polymérisation en émulsion et récupéré par un procédé spécial en contrôlant et en ajustant la valeur de pH, l'utilisation des compositions thermoplastiques dans la production de corps moulés, et les corps moulés eux-mêmes. La présente invention concerne en outre des compositions thermoplastiques comprenant un modifiant choc polymère avec une structure cœur-écorce fabriqué par un procédé multi-étapes et récupéré par un procédé spécial en contrôlant et en ajustant la valeur de pH comprenant au moins un polymère à gradient, l'utilisation des compositions thermoplastiques dans la production de corps moulés, et les corps moulés eux-mêmes.

MODIFICADORES DE IMPACTO PARA RESINAS DE CLORETO DE POLIVINILA

Method of preparing resin powder and integrated coagulator for the same

Disclosed are a method of preparing a resin powder and an integrated reactor for the same. When a coagulation process is performed using an acidic coagulant in the integrated coagulator for latex coagulation and aging according to the present invention, a remaining acidic coagulant is also removed from a reactor through neutralization, and thus, a resin powder having enhanced moist-heat resistance and thermal stability may be prepared.

СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИИ, СОДЕРЖАЩЕЙ МНОГОСТУПЕНЧАТЫЙ ПОЛИМЕР (ВАРИАНТЫ), И ПРИМЕНЕНИЕ ЭТОЙ КОМПОЗИЦИИ В КАЧЕСТВЕ МОДИФИКАТОРА УДАРНОЙ ПРОЧНОСТИ ТЕРМОПЛАСТИЧНЫХ ПОЛИМЕРОВ

FIELD: chemistry.SUBSTANCE: invention relates to a method of producing a composition containing a multistage polymer (embodiments), to the use of the composition. Method of producing a polymer composition containing a multistage polymer involves the following steps: a) polymerisation by emulsion polymerisation of monomer or mixture of monomers (A) to obtain during this stage one layer (A) containing polymer (A1) with glass transition temperature of -120 to 0 °C, b) polymerising by emulsion polymerisation in the presence of a polymer obtained in step a), a monomer or a monomer mixture (B) for obtaining at this subsequent stage layer (B) containing polymer (B1) having glass transition temperature of 45 to 150 °C, c) coagulation of multistage polymer with alkali metal salt, d) washing the multistage polymer, e) adjusting the pH after coagulation in range of 5 to 10, f) adding an aqueous solution or dispersion containing a phosphorus-containing compound, where the phosphorus has an oxidation state of +III or +V, wherein the polymer composition contains at least 350 ppm of phosphorus, where the phosphorus has an oxidation degree of +III or +V, wherein the alkali-earth metals in the form of traces or minor impurities are less than 30 parts per million of the polymer composition and the multivalent cations are less than 50 parts per million of the polymer composition.EFFECT: technical result is compositions containing multi-stage polymer have satisfactory resistance to thermal aging, satisfactory impact characteristics at room and sub-zero temperatures.22 cl, 3 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 692 244 C2 (51) МПК C08F 279/02 (2006.01) C08L 51/04 (2006.01) C08L 67/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08F 279/02 (2019.02); C08L 51/04 (2019.02); C08L 67/00 (2019.02) (21)(22) Заявка: 2017121983, 24.11.2015 (24) Дата начала отсчета срока действия патента: Дата регистрации: 24.06.2019 R U 24. ...

VERFAHREN ZUR HERSTELLUNG VON KAUTSCHUK MODIFIZIERTEN AROMATISCHEN VINYLHARZZUSAMMENSETZUNGEN

Verfahren zur Herstellung von neuen Mischpolymerisaten

PREPARATION PROCESS OF IMPACT RESISTANT MOULDINGS

POLYMER LATEX WHICH IS CROSS LINKED WITH A DIALKYL TIN ACRYLATE IN THE PREPARATION OF GRAFTED COPOLYMERS

METHOD OF PREPARING VINYL CHLORIDE RESIN COMPOSITIONS

... 1299400 Graft polymer compositions SHINETSU CHEMICAL CO 29 Dec 1970 [30 Dec 1969] 61660/70 Heading C3G A method of preparing vinyl chloride resin compositions comprises: (1) conducting polymerization in a polymerization vessel, containing an aqueous emulsion and having two inlets, by continuously pouring into the vessel 10-90 parts by weight of a diene rubber polymer, through one of the inlets, and 90-10 parts by weight complementarily of methyl methacrylate and 5-180 parts by weight of styrene through the other inlet, from 20 to 80% of the methyl methacrylate being added first, on its own, and the remainder of the methyl methacrylate being added subsequently mixed with the styrene, (2) recovering the graft polymer thus obtained from the aqueous emulsion, and (3) adding 30-1 parts by weight of the graft polymer with agitation to 70-99 parts by weight of vinyl chloride resin. The diene rubber polymer may be polybutadiene or a butadiene-styrene copolymer prepared by copolymerizing a mixture ...

An impact modified carbonate polymer composition having improved resistance to degradation and improved thermal stability

PRODUCTION OF COMPOSITIONS OF THERMOPLASTIC RESIN RESISTING THE SHOCKS

Transparent thermoplastic composition with high impact resistance

Precursor film, substrate with a layer to be plated, conductive film, touch panel sensor, touch panel, method for producing a conductive film, and composition for forming plating layer

A precursor film for manufacturing a conductive film is provided which includes a substrate and a plated layer precursor layer arranged on the substrate, wherein the plated layer precursor layer includes a multifunctional monomer, a monofunctional monomer, and a polymer having a polymerizable functional group and a functional group which interacts with a plating catalyst or a precursor thereof.

ASA GRAFT COPOLYMER COMPOSITION

Disclosed are an ASA graft copolymer having a structure including a seed which comprises at least one compound of an aromatic vinyl compound, a vinyl cyan compound and an alkyl (meth)acrylate compound, a core which surrounds the seed and comprises alkyl acrylate, and a shell which surrounds the core, comprises an aromatic vinyl compound, a vinyl cyan compound and a crosslinking agent, and having suitably controlled thicknesses and refractive indexes of the respective layers, and an ASA graft copolymer composition comprising the ASA graft copolymer.

ПРОСТОЙ В ОБРАБОТКЕ НЕПРОЗРАЧНЫЙ И ВЫСОКОПРОЧНЫЙ МЕТИЛМЕТАКРИЛАТ-БУТАДИЕН-СТИРОЛЬНЫЙ ПОЛИМЕР ДЛЯ ПОЛИВИНИЛХЛОРИДА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

FIELD: chemistry.SUBSTANCE: present invention relates to the field of technology for the production of additives for polyvinyl chloride (PVC), in particular to an easy-to-process opaque and high-strength methyl methacrylate-butadiene-styrene (MBS) polymer for PVC and a method for its production. An easy-to-process opaque and high-strength methyl methacrylate-butadiene-styrene (MBS) polymer for polyvinyl chloride (PVC) is described, having a core-inner layer-shell structure (three-layer structure), where MBS includes the following components by weight: 1-20% core, 70-85% inner layer and 5-20% shell; the core is a copolymer of a styrene (ST) monomer and an acrylate monomer; the ratio of the ST monomer to the acrylate monomer is from 95:5 to 5:95; the ST monomer includes ST or methyl styrene; the acrylate monomer includes one or more of the following acrylates: methylacrylate, ethylacrylate, butylacrylate, and 2-ethylhexylacrylate; the inner layer is a low-temperature glass transition butadiene (BD)-ST polymer, and the ratio of BD to ST is from 100:0 to 80:20; the shell is a copolymer of ST, butylacrylate and methyl methacrylate (MMA) with a high glass transition temperature; the content of ST, butylacrylate and MMA is 0.2-5%, 0.2-2% and 13-20% by weight, respectively. A method for obtaining an easy-to-process opaque and high-strength MBS for PVC is also proposed.EFFECT: technical result is improved impact resistance of the three-layer structure in comparison with the existing core-shell structure.10 cl, 1 tbl, 15 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C08F 212/08 (2006.01) C08F 257/02 (2006.01) C08F 220/14 (2006.01) C08F 220/18 (2006.01) C08F 285/00 (2006.01) C08F 236/06 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C08K 5/57 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C08K 5/098 (2006.01) C08K 3/26 (2006.01) C08K 3/22 (2006.01) (12) (13) 2 750 936 C1 C08K 13/02 (2006.01) C08L 51/04 (2006.01) C08L 27/06 (2006.01) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C08F 212/08 (2021.01); ...

ПРИМЕНЕНИЕ ОЛИГОЭФИРАКРИЛАТА ((((4-((1-(2-((БИС((1-ГАЛОГЕН-3-(МЕТАКРИЛОИЛОКСИ)ПРОПАН-2-ИЛ)ОКСИ)ФОСФИН)ОКСИ)-3-ГАЛОГЕНПРОПОКСИ)-3-ХЛОРПРОПАН-2-ИЛ)ОКСИ)-1-ГАЛОГЕНБУТАН-2-ИЛ)ОКСИ)ФОСФИНДИИЛ)БИС(ОКСИ))БИС(3-ГАЛОГЕНПРОПАН-2,1-ДИИЛ)БИС(2-МЕТАКРИЛАТА) В КАЧЕСТВЕ МОНОМЕРА ДЛЯ ПОЛУЧЕНИЯ ТЕРМО- И ТЕПЛОСТОЙКИХ ПОЛИМЕРОВ С ПОНИЖЕННОЙ ГОРЮЧЕСТЬЮ

Изобретение относится к применению олигоэфиракрилата ((((4-((1-(2-((бис((1-галоген-3-(метакрилоилокси)пропан-2-ил)окси)фосфин)окси)-3-галогенпропокси)-3-хлорпропан-2-ил)окси)-1-галогенбутан-2 ил)окси)фосфиндиил)бис(окси))бис(3-галогенпропан-2,1-диил)бис(2-метакрилата) в качестве мономера для получения термо- и теплостойкого полимера с пониженной горючестью. Техническим результатом предлагаемого решения является расширение арсенала полимеризационноспособных олигомеров для получения термо- и теплостойких полимеров с пониженной горючестью. 1 табл., 3 пр.

Полимерная композиция

Vinylchloridpolymerisatzusammensetzungen und Verfahren zu ihrer Herstellung

THERMOPLASTISCHE TRANSPARENTE HARZZUSAMMENSETZUNG UND VERFAHREN ZU DEREN HERSTELLUNG

PROCEDURE FOR THE PRODUCTION OF GRAFTING POLYMERS

STABILIZATION OF METHYLMETHACRYLATE-BUTADIENE-STYRENE GRAFT COPOLYMERS AGAINST THERMAL OXIDATION

The instant invention relates to a stabilized composition of methylmethacrylate-butadiene-styrene graft copolymers with selected sterically hindered phenolic antioxidants and thioethers. Further subjects of the invention are a process for the stabilization of methylmethacrylate-butadiene-styrene graft copolymers and the use of selected sterically hindered phenolic antioxidants together with a thioether for the thermal stabilization of said graft copolymer.

ABS GRAFT COPOLYMERS AND COMPOSITIONS THEREOF

... 08CP12061 ABS GRAFT COPOLYMERS AND COMPOSITIONS THEREOF A graft copolymer comprises (a) a rubber substrate formed from a diene monomer and a styrene monomer and having an average latex particle size of not greater than about 100 nm, and (b) a grafted portion formed from at least one styrene monomer and an acrylic monomer. The graft copolymer is formed by an emulsion polymerization process employing a thermally activated initiator system which provides carbon radicals during the polymerization process.

PROCESS FOR MODIFYING SHOCKS AND THERMOPLASTIC COMPOSITION MODIFIEE SHOCK HAVING A HYDROLYTIC RESISTANCE AMELIOREE

La présente invention concerne un procédé pour produire des modifiants chocs, des compositions de moulage thermoplastiques modifié choc et en particulier du polycarbonate ou des mélanges polycarbonate/polyester modifié choc ayant une résistance améliorée à la dégradation. Plus particulièrement, la présente invention concerne un procédé pour produire des modifiants chocs polymères avec une structure cœur-écorce produite par un procédé multi-étapes comprenant un contrôle et un ajustement, si nécessaire, de la valeur de pH avant et pendant l'étape de récupération.

THERMOPLASTIC RESIN COMPOSITION AND METHOD FOR PREPARING THE SAME

The present invention relates to a thermoplastic resin composition and a preparation method of the same, and more precisely a thermoplastic resin having excellent impact strength, surface gloss, and beautiful color, as well as a high level of hardness and scratch resistance, which comprises a) a primary graft copolymer prepared by polymerization of conjugated diene rubber latex with (metha)acrylic acid alkyl ester compound, aromatic vinyl compound and vinyl cyan compound; and b) a secondary copolymer prepared by polymerization of (metha)acrylic acid alkyl ester compound with aromatic vinyl compound and vinyl cyan compound.

COMPOSITION FOR PRODUCING A PART BY MACHINING, METHOD FOR IMPLEMENTING SAME AND PRODUCT THUS OBTAINED

The invention relates to a thixotropic composition for making a model, a master model or a mould by machining, that includes at least one photopolymer resist and one photo-initiator, said photo-initiator being present in very low amounts. The invention also relates to the use of this composition and to a method for making a part by machining and using said composition.

Stabilization of methylmethacrylate-butadiene-styrene graft copolymers against thermal oxidation

The instant invention relates to a stabilized composition of methylmethacrylate-butadiene-styrene graft copolymers with selected sterically hindered phenolic antioxidants and thioethers. Further subjects of the invention are a process for the stabilization of methylmethacrylate-butadiene-styrene graft copolymers and the use of selected sterically hindered phenolic antioxidants together with a thioether for the thermal stabilization of said graft copolymer.

Graft copolymer, thermoplastic resin composition including graft copolymer, and method of preparing thermoplastic resin composition

A graft copolymer, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition are described herein. A graft copolymer having a shell in which silica modified with a specific compound is dispersed within a specific content range, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition are also described herein. Since silica modified with a specific compound is dispersed in the periphery of rubber particles, that is, in the shell of the graft copolymer, the dispersibility of the graft copolymer may be improved. Therefore, the graft copolymer may have transparency equal to or better than a conventional graft copolymer. In addition, compared to a resin composition having an equivalent rubber content, the thermoplastic resin composition described herein may have excellent physical properties, such as impact strength and tensile strength.

Thermoplastic Resin Composition and Article Produced Therefrom

Disclosed herein is a thermoplastic resin composition. The thermoplastic resin composition includes: about 100 parts by weight of a polycarbonate resin; about 1 part by weight to about 30 parts by weight of a core-shell type rubber-modified vinyl graft copolymer; about 5 parts by weight to about 50 parts by weight of an aromatic vinyl copolymer resin; and about 5 parts by weight to about 50 parts by weight of a phosphorus flame retardant, wherein the polycarbonate resin includes a first polycarbonate resin having a weight average molecular weight of about 10,000 g/mol to about 30,000 g/mol and a second polycarbonate resin having a weight average molecular weight of about 35,000 g/mol to about 60,000 g/mol, and the core-shell type rubber-modified vinyl graft copolymer is obtained by grafting an alkyl (meth)acrylate monomer to a rubber polymer. The thermoplastic resin composition can have good properties in terms of chemical resistance, impact resistance, flame retardancy, heat resistance ...

СПОСОБ ПОЛУЧЕНИЯ МНОГОСТУПЕНЧАТОГО ПОЛИМЕРА, ЕГО КОМПОЗИЦИИ, ЕГО ПРИМЕНЕНИЯ И ВКЛЮЧАЮЩЕЙ ЕГО КОМПОЗИЦИИ

Herstellung von auf Butadien basierten Schlagzähigkeit-Modifizierungsmittel

VERFAHREN ZUR HERSTELLUNG VON POLYSTYROLKUNSTSTOFFEN

POLYVINYL CHLORIDE POLYMER COMPOSITIONS

... 1469868 Graft polymer modifiers for vinyl chloride polymers NIPPON ZEON CO Ltd 24 July 1974 [26 July 1973] 32734/74 Heading C3G A vinyl chloride polymer composition comprises (1) 80 to 99% by weight of a vinyl chloride homopolymer, or a copolymer of vinyl chloride content at least 70% by weight, and (2) 20 to 1% of a graft copolymer of which the trunk portion is a rubbery polymer derived, at least to the extent of 60% by weight, from one or more diene monomers, and the grafts are derived from methyl methacrylate (15 to 70 % by weight) and styrene (85 to 30% by weight), and which is made by first subjecting either the styrene or the methyl methacrylate to polymerizing conditions in an aqueous dispersion of the rubbery trunk polymer until 40 to 90% thereof has polymerized, and then adding, over a period continuously or in stages, the methyl methacrylate or styrene (as the case may be) and continuing the polymerization until first substantially all of the first-added monomer and then substantially ...

Polymer Latex which is crossed-linked with a dialkyl tin acrylate in the preparation of grafted copolymers

A polymer latex which is cross-linked by a dialkyl tin diacrylate. The latex is a good substrate for the preparation of graft copolymers which are effective to impart good impact and high stress whitening properties to vinyl chloride polymers.

Improvements in and relating to rubber-containing compositions

Mouldable rubber-containing compositions are obtained by polymerizing a mixture of a styrene and methyl methacrylate in the presence of a diene synthetic rubber which constitutes at least 5% by weight of the final product, and subjecting the product so obtained to a hot rolling or mastication treatment. Rubbers specified are butadiene-styrene copolymers and polychloroprene. Styrenes specified are styrene itself, alpha-methyl styrene, vinyl toluene and chlorostyrenes. The polymerization may be carried out with the rubber in solution in the monomer mixture, in solution in a common solvent with the monomer mixture, or in dispersion. In the example a butadiene-styrene rubber is dissolved in a mixture of styrene and methyl methacrylate and subjected to prepolymerization until the mixture contains 30% polymer, the resulting dope, with the admixture of lauroyl and benzoyl peroxides, is dispersed in water with the aid of polyvinyl alcohol and the polymerization is completed. The resulting product ...

PROCEDURE FOR THE PRODUCTION OF GRAFTING POLYMERS

Improvements brought to polymers and methacrylate interpolymères of methyl and alpha-méthylstyrène, and with the processes for their preparation

PROCESS FOR MODIFYING SHOCKS AND THERMOPLASTIC COMPOSITION MODIFIEE SHOCK HAVING A HYDROLYTIC RESISTANCE AMELIOREE

vinyl chloride polymer compositions and method for their preparation

Transparent, high impact polystyrene mfr. from styrene, MMA and rubber - by prepolymerisation and copolymerisation in aq. suspension with mixt. of di:acyl peroxide(s) of aliphatic acids

SOPHISTICATED COMPOSITION OF SHOCK-PROOF POLYSTYRENE MODIFIES BY RUBBER

Process for the preparation of rubber-modified aromatic vinyl resin compositions

Ｍｅｔｈｏｄ ｏｆ ｒｕｂｂｅｒｙ ｐｏｌｙｍｅｒ ａｎｄ ｒｕｂｂｅｒ ｒｅｉｎｆｏｒｃｅｄ ｔｈｅｒｍｏｐｌａｓｔｉｃｓ ｕｓｉｎｇ ｔｈｅ ｓａｍｅ

본 발명은 충격강도 및 열안정성이 뛰어난 고무질 중합체의 제조방법 및 이를 이용한 고무 강화 열가소성 수지 조성물에 관한 것으로서, 평균 입자경이 2500 내지 4000Å이고, 겔 함량이 70 내지 90%이며 유리전이온도가 0℃ 이하인 고무질 중합체의 제조방법에 있어서, 상기 고무질 중합체를 제조하는 데에 투입되는 총 단량체 100중량부에 대하여 5 내지 70중량부를 일괄 투입하고 30 내지 95중량부를 연속 투입함으로써 입자경 제어 및 중합열의 분산이 용이한 방법을 제시하고, 고무질 수지의 제조 안정성 및 중합 생산성을 높임과 동시에 이를 이용한 고무 강화 열가소성 수지 조성물의 내충격성 및 가공 열안정성을 대폭 향상시킬 수 있다. The present invention relates to a method for producing a rubbery polymer having excellent impact strength and thermal stability, and a rubber-reinforced thermoplastic resin composition using the same, having an average particle diameter of 2500 to 4000Å, a gel content of 70 to 90%, and a glass transition temperature of 0 ° C or less. In the method for producing a rubbery polymer, 5 to 70 parts by weight is added in a batch and 30 to 95 parts by weight are continuously added to 100 parts by weight of the total monomers used to prepare the rubbery polymer, thereby facilitating particle size control and dispersion of polymerization heat. The present method can improve the production stability and polymerization productivity of the rubbery resin, and at the same time, significantly improve the impact resistance and processing thermal stability of the rubber-reinforced thermoplastic resin composition using the same.

LOW DIELECTRIC COMPOSITION

다단계 중합체의 제조 방법, 그것의 조성물, 그것의 용도 및 그것을 포함하는 조성물

... 본 발명은 다단계 중합체, 그것의 조성물 및 그것의 제조 방법에 관한 것이다. 특히 본 발명은 다단계 중합체, 그것의 조성물 및 그것의 제조 방법 및 열가소성 조성물 중 충격 조절제로서의 그것의 용도에 관한 것이다. 더욱 특히 본 발명은 다단계 중합체를 포함하는 중합체 조성물의 제조 방법 및 열가소성 조성물 중 충격 조절제로서의 그것의 용도에 관한 것이다.

GRAFT COPOLYMER USEFUL AS REINFORCEMENTS FOR VINYL CHLORIDE POLYMERS AND PROCESS FOR PREPARING THE SAME

透明的橡胶改性苯乙烯共聚体

... 本发明涉及一种具有优良的透明度和抗冲击强度的橡胶改性苯乙烯共聚体树脂的制备方法，特别涉及一种25℃时在具有30-50％苯乙烯骨架含量和20-40cp的5％甲苯溶液粘度的苯乙烯-丁二烯嵌段共聚体或无规共聚体存在的情况下，包含苯乙烯单体和(甲基)丙烯酸单体的接枝共聚合的橡胶改性苯乙烯共聚体的透明树脂制备方法。按照该方法，包含洋葱和芯-壳(core-shell)双重结构橡胶颗粒的透明树脂能使橡胶改性苯乙烯共聚体透明树脂具有优良的透明度和抗冲击强度，同时具有良好的光泽度。 ...

Preparation of butadiene-based impact modifiers

Graft polymers and compositions of high impact strength

Transparent, high impact polystyrene mfr. from styrene, MMA and rubber - by prepolymerisation and copolymerisation in aq. suspension with mixt. of di:acyl peroxide(s) of aliphatic acids

METHOD OF PREPARATION OF COPOLYMERS STYRENE-METHACRYLATE OF METHYL CLERK'SS OFFICE ON A COPOLYMER BUTADIENE-STYRENE SUBSTRATE

METHOD OF MAKING A POLYMER CARCINOGENESIS, ITS COMPOSITION, COMPOSITION COMPRISING THE SAME

PROCEDE DE PREPARATION DE COPOLYMERES STYRENE-METHACRYLATE DE METHYLE GREFFES SUR UN SUBSTRAT DE COPOLYMERES BUTADIENE-STYRENE

Procédé de préparation de copolymères greffés de styrène et de méthacrylate de méthyle et nouveaux produits ainsi obtenus. Dans ce procédé, on prépare un copolymère greffé de styrène et de méthacrylate de méthyle, en tant que partie ou strate supérieure greffée sur un copolymère de butadiène et de styrène comme substrat a en préparant un latex de polymère par polymérisation de butadiène ou d'un mélange de butadiène ou de styrène en présence d'une petite proportion d'agent de réticulation formé de diacrylate de dialkylétain, b en ajoutant au latex un mélange de méthacrylate de méthyle et de styrène, et c en polymérisant le mélange de b. La présente invention est particulièrement utile pour fournir des latex de polymères réticulés qui sont de bons substrats pour la préparation de copolymères greffés efficaces pour conférer de bonnes propriétés de résistance aux chocs et de blanchiment par tension à des polymères de chlorure de vinyle.

Thermoplastic compositions containing vinyl halide polymers

METHOD OF PREPARATION OF COPOLYMERS STYRENE-METHACRYLATE OF METHYL CLERK'SS OFFICE ON A COPOLYMER BUTADIENE-STYRENE SUBSTRATE

PRODUCTION OF COMPOSITIONS OF THERMOPLASTIC RESIN RESISTING THE SHOCKS

RUBBER-REINFORCED RESIN, ANTI-STATIC RESIN COMPOSITION, MOLDED ARTICLE AND LAMINATE

Disclosed is a rubber-reinforced resin which, when formed into a molded article, can prevent the contamination or soiling of an article contacted with the molded article or a device on the periphery of the molded article, and is excellent in impact resistance and transparency. Also disclosed is an anti-static resin composition which is excellent in impact resistance and anti-static property. The rubber-reinforced resin comprises a rubber-reinforced copolymer resin produced by polymerizing 20 to 95 parts by mass of monomer components comprising methyl methacrylate, an aromatic vinyl compound and a vinyl cyanide compound in the presence of a rubbery polymer having a predetermined volume average particle diameter, or comprises a mixture of the rubber-reinforced copolymer resin and a copolymer of the above-mentioned monomer components. The anti-static resin composition comprises the rubber-reinforced resin and a polymeric anti-static agent, wherein the rubbery polymer is contained in an amount ...

METHOD FOR MANUFACTURING RUBBER POLYMER AND RUBBER-REINFORCED GRAFT COPOLYMER

The present invention relates to a method for manufacturing rubber latex in which an alkaline solution is injected into a hydrophilic monomer and a small amount of fat-soluble monomer to form a particle having a small diameter and superior stability, and then one end of the particle is ionized to secure the stability of the particle, to thereby manufacture stable latex having a large diameter by using a minimum amount of emulsifying agent using a method for growing particles and minimizing gas generation and thermochromism due to the emulsifying agent.

COMPOSITION FOR PRODUCING A PART BY MACHINING, METHOD FOR IMPLEMENTING SAME AND PRODUCT THUS OBTAINED

Verfahren zur Herstellung eines Pfropfmischpolymerisats

Schlagzähmodifizierte Polycarbonatzusammensetzung

PFROPFPOLYMERE UND IHRE VERWENDUNG ZUR VERBESSERUNG DER SCHLAGFESTIGKEIT VON VINYLCHLORID-HOMO- ODER COPOLYMEREN

Graft polymerisation of monomerd on rubber

A graft polymer for ABS resin manufacture or the ABS resin itself is produced. The production of the former comprises charging a polymerizer with a rubber latex having an average particle diameter of 0.2-0.4 mu m and a gel content of 70-80%, so that the content by weight of the rubbery component in the resulting graft polymer is at least 50%, and then separately adding a monomeric mixture of (A) an acrylic such as acrylonitrile or methyl methacrylate and (B) a vinyl aromatic compound such as styrene and a polymerization initiator in adequate amounts to maintain the specified rubber content by weight, continuously at rates equal to or lower than the rate at which the both monomers (A) and (B) diffuse and permeate into the rubber particles. The ABS resin is manufactured by dehydrating the above graft polymer by a screw press to a moisture content of about 10% or less, indirectly drying the polymer, and then blending the same with an acrylonitrile-styrene copolymer or the like in an amount ...

Graft polymers and compositions containing the same

Graft polymers are produced by polymerizing either (i) 5-60 parts by weight of a monomeric C1-C4 alkyl acrylate or methacrylate or (ii) 10-200 parts by weight of a mixture of such acrylate or methacrylate and a monovinylidene hydrocarbon or halohydrocarbon, the mixture containing at least 10% by weight of acrylate or methacrylate, in an aqueous dispersion for each 100 parts by weight of a rubbery polymer of an acyclic conjugated diene hydrocarbon present therein, the rubbery polymer having combined therein at least 50% by weight of the diene and having a second order transition temperature not higher than 0 DEG C. Rubbery p polymers specified are homopolymers of butadiene and isoprene and copolymers thereof with monovinylidene aromatic hydrocarbons and halohydrocarbons, esters and nitriles of acrylic and methacrylic acids and small quantities of polyethylenic monomers, e.g. divinyl benzene and diallyl maleate. The graft polymers are used in blends with rigid homopolymers of monovinylidene ...

METHOD AND DISPENSER FOR MAKING DENTAL PRODUCTS

A method of forming dental products, such as dentures, denture relines, dental crowns, dental bridges and dental restorative materials, temporary crown, temporary bridge, provisional crown or provisional bridge, from two polymerizable paste compositions each having a complimentary component of a free radical catalyst system and a polymerizable acrylic compound. One of these paste compositions includes an oxidizing agent and a stabilizer and the other includes a reducing agent as components of a redox catalyst system for free radical polymerization. These paste compositions are mixed in a static mixer to form a polymerizing paste composition, which is then shaped into a dental prosthesis. A handheld mixing dispenser useful in carrying out this method, includes a static mixing conduit, and two containers enclosing the polymerizable paste compositions. The static mixing conduit encloses a static mixing member. The containers are adapted to be connected in fluid flow communication with the static mixing conduit. In the paste composition which includes the reducing agent a photoinitiator may be preferably included. Each container is sufficiently oxygen permeable to maintain inhibition of polymerization of the polymerizable paste composition therein for at least 12 months at 23°C.

METHACRYLATE-BUTADIENE-STYRENE GRAFT POLYMER AND ITS PVC BLENDS HAVING LOW YELLOWNESS, GOOD CLARITY, AND IMPROVED IMPACT STRENGTH

... (8CP-12,074) Multi-stage rubber-based MBS resin compositions are provided which include a polymeric substrate stage of a conjugated diolefin-based polymer or copolymer and optional units derived from a cross-linking agent or agents, and at least one polymeric graft stage graft polymerized in the presence of the substrate stage which include monomers of an acrylate, a vinyl aromatic, or a mixture of the e monomers and optional units derived from a cross-linking agent or agents and/or units which serve as a graft-linking agent or agents wherein the weight ratio of acrylate in all graft stages combined to vinyl aromatic in all graft stages combined is at least 1.2:1. Additionally, modified vinyl chloride polymer compositions which include a vinyl chloride polymer or copolymer in combination with an impact modifying, yellowness index improving amount of the multi-stage rubber-based resin compositions above are provided. These modified vinyl chloride polymer compositions have a low yellowness ...

POLYCARBONATE STYRENE-BASED ALLOY FLAME-RETARDANT RESIN COMPOSITION AND MOLDED PRODUCT

The present invention relates to a polycarbonate styrene-based alloy flame-retardant resin composition and a molded product, and more particularly, to a polycarbonate styrene-based alloy flame-retardant resin composition in which a polycarbonate resin includes a styrene-based copolymer, an impact modifier, a colorant, and an aromatic phosphate-based flame retardant, wherein a hydrolysis characteristic which is poor due to a colorant is improved by using a hydrolysis adjuvant and a specific impact modifier together and a mechanical property and flame retardancy are maintained, thereby being applicable to automotive and an electrical and electronic product, and to a molded product prepared thereby. COPYRIGHT KIPO 2016 ...

COMPOSITION FOR PRODUCING A PART BY MACHINING, METHOD FOR IMPLEMENTING SAME AND PRODUCT THUS OBTAINED

Thermoplastic compositions

A thermoplastic composition comprises an intimate fusion blend of (a) 10 to 99 parts (by weight) of a rigid vinyl chloride polymer containing at least 80% vinyl chloride; (b) 90 to 1 parts of a substantially non-polar hydrocarbon elastomer and (c) 1 to 10% of either (i) a surfactant or (ii) a polar polymer containing halogen atoms or ester, carbonyl, amide, nitrile, sulphone or carboxyl groups. Specified comonomers which may be present in (a) are vinyl esters of C1- 18 organic acids; vinylidene chloride; nitriles and C1-8 alkyl esters of acrylic and methacrylic acids; and di-C1-8 alkyl esters of maleic and fumaric acids, (b) may be a homopolymer or interpolymer of two or more mono-olefines, e.g. ethylene, propylene or isobutylene, or a homopolymer of an acylic 1,3-diene, e.g. butadiene, isoprene, 2,3-dimethylbutadiene or piperylene, or a copolymer thereof with styrene or an alpha or nuclear alkyl styrene. The surfactants, (c)(i) contain a C8+hydrocarbon chain and a hydrophalic group e.g ...

METHOD OF PRODUCING IMPACT-RESISTANT STYRENE COPOLYMERS

Improvements in vinyl halide polymer compositions

A thermoplastic composition comprises a homogeneous mixture of 51% to 98% of (a) a resinous vinyl halide polymer and 49% to 2% of (b) a graft copolymer of from 10 to 200 parts of styrene and methyl methacrylate in a ratio of 33:67 graft copolymerized upon 100 parts of a rubbery copolymer in aqueous emulsion form of butadiene and styrene in a ratio of 70:30 to 80:15, and (c) a resinous copolymer of styrene and methyl methacrylate in a ratio of 33:67, the amounts of (b) and (c) ranging from 75 to 25 parts of (b) and 25 to 75 parts of (c) per 100 parts of (b) + (c), the percentages and parts being by weight. Vinyl halide polymers specified are polyvinyl chloride and copolymers of vinyl chloride with vinylidene chloride, vinyl acetate, acrylic and methacrylic acids, methyl, ethyl and octyl acrylates, methyl methacrylate, acrylonitrile, diethyl maleate, styrene and chlorostyrene. Tin dilaurate may be added to the compositions as a stabilizer.

GRAFT COPOLYMER USEFUL AS REINFORCEMENTS FOR VINYL CHLORIDE POLYMERS AND PROCESS FOR PREPARING THE SAME

A MBS resin useful as a reinforcement for vinyl chloride polymers and capable of improving the impact resistance of the vinyl chloride polymers without impairing the transparency thereof, which is prepared by graftpolymerizing a monomer mixture comprising an aromatic vinyl compound and an alkyl methacrylate onto a butadiene copolymer comprising styrene and butadiene, the butadiene copolymer being present in the polymerization system in a higher proportion as compared with a conventional MBS resin and present in the form of an aqueous latex of particles having a structure such that a portion formed in the last stage of a polymerization for the preparation of the butadiene copolymer amounting to 20 % by weight of the produced butadiene copolymer, has a very high butadiene content of 80 to 100 % by weight and moreover has at least 5 % by weight higher butadiene content than the average butadiene content of the produced butadiene copolymer.

Impact modified thermoplastic composition with hydrolytic sensitivity to obtain higher fluidity while keeping high impact strength

The present invention relates to, amongst other things, a process for manufacturing an impact modifier, concerns impact modified thermoplastic molding compositions and in particular a process for manufacturing and recovering the impact modifiers and their use in polymeric thermoplastic compositions. More particularly the present invention relates to a polymeric impact modifier with a core-shell structure manufactured by a multistage process comprising a special recovery process so that the composition of the thermoplastic polymer containing the impact modifier has a high fluidity while keeping its high impact strength.

THERMOPLASTIC COMPOSITION MODIFIEE SHOCK AMELIOREE

POLYVINYL CHLORIDE POLYMER COMPOSITIONS

THERMOPLASTIC COMPOSITION MODIFIEE SHOCK HAVING A HYDROLYTIC SENSITIVITY TO OBTAIN A HIGH FLUIDITY ALL WHILE MAINTAINING AN IMPACT RESISTANCE HIGH

La présente invention concerne, entre autres, un procédé pour fabriquer un modifiant choc, concerne des compositions de moulage thermoplastiques modifié choc et en particulier un procédé pour fabriquer et récupérer les modifiants chocs et leur utilisation dans des compositions polymères thermoplastiques. Plus particulièrement la présente invention concerne un modifiant choc polymère ayant une structure cœur-écorce fabriqué par un procédé multi-étapes comprenant un procédé de récupération particulaire de sorte que la composition du polymère thermoplastique contenant le modifiant choc ait une fluidité élevée tout en maintenant sa résistance aux chocs élevée. The present invention relates, inter alia, to a method for producing a shock modifier, to impact-modified thermoplastic molding compositions, and particularly to a method for making and recovering impact modifiers and their use in thermoplastic polymer compositions. More particularly, the present invention relates to a polymeric impact modifier having a core-shell structure made by a multi-step process comprising a particulate recovery process such that the composition of the thermoplastic polymer containing the impact modifier has a high fluidity while maintaining its strength. to high shocks.

PROCESSABLE OPAQUE HIGH-IMPACT MBS FOR PVC, AND METHOD FOR PROCESSING SAME

processo de fabricação de um polímero em multi-estágios, sua composição, seu uso e composição compreendendo o mesmo

METHOD OF PREPARING GRAFT COPOLYMER

The present invention provides a method of preparing a graft copolymer, which comprises: emulsion-polymerizing one or more selected from the group consisting of an aromatic vinyl-based monomer to prepare a seed, a vinylcyano-based monomer and an alkyl (meth)acrylate-based monomer; emulsion-polymerizing the seed and an alkyl (meth)acrylate-based monomer to prepare a core; and emulsion-polymerizing the core, an aromatic vinyl-based monomer and a vinylcyano-based monomer to prepare a shell, wherein one or more steps selected from the group consisting of the steps of preparing the seed, the core and the shell comprises adding an emulsifier comprising a compound represented by Formula 1 below. 2. The method according to claim 1 , wherein Ris a Cto Calkyl group.3. The method according to claim 1 , wherein M is sodium or potassium.4. The method according to claim 1 , wherein nis any one of 2 to 10.5. The method according to claim 1 , wherein the compound represented by Formula 1 is one or more selected from the group consisting of lauryl ether hexaethyleneoxide phosphoric acid claim 1 , myristic ether hexaethyleneoxide phosphoric acid claim 1 , palmitic ether hexaethyleneoxide phosphoric acid claim 1 , stearic ether hexaethyleneoxide phosphoric acid claim 1 , lauryl ether octaethyleneoxide phosphoric acid claim 1 , myristic ether octaethyleneoxide phosphoric acid claim 1 , palmitic ether octaethyleneoxide phosphoric acid claim 1 , stearic ether octaethyleneoxide phosphoric acid claim 1 , di(lauryl ether hexaethyleneoxide)phosphoric acid claim 1 , di(myristic ether hexaethyleneoxide)phosphoric acid claim 1 , di(palmitic ether hexaethyleneoxide)phosphoric acid claim 1 , di(stearic ether hexaethyleneoxide)phosphoric acid claim 1 , di(myristic ether octaethylene oxide)phosphoric acid and di(palmitic ether octaethyleneoxide)phosphoric acid and di(stearic ether octaethyleneoxide)phosphoric acid claim 1 , or an alkali metal salt thereof.6. The method according to claim 1 , ...

Preparation of butadiene-based impact modifiers

An improved process for preparing core/shell MBS modifiers is disclosed, wherein by adding feeds of the monomers which form the second and/or third stage polymers prior to completion of polymerization of the earlier stages, a process with substantially reduced polymerization time results with no loss in properties of the product. The process further includes agglomeration of the rubbery polymer to increase particle size during the polymerization process.

Verfahren und Spender für die Herstellung von Dentalwerkstoffen

VERFAHREN ZUR HERSTELLUNG VON POLYSTYROLKUNSTSTOFFEN

PRODUCTION OF STYRENE-METHYL METHACRYLATE GRAFT COPOLYMER COMPOSITIONS

Transparent thermoplastic composition

... 863,279. Transparent thermoplastic compositions. DISTILLERS CO. Ltd. May 1, 1959 [May 15, 1958], No. 15589/58. Class 2(6). Transparent thermoplastic compositions comprise 1-15% of a synthetic rubber which is of refractive index 1À533-1À563 and is a polymer or copolymer of a conjugated diene in a copolymer of 30-75% of styrene with methyl methacrylate. The conjugated diene from which the synthetic rubber is prepared may be butadiene, isoprene, chloroprene or dimethylbutadiene. The synthetic rubber is exemplified by copolymers of butadiene and styrene. The synthetic rubber may be mixed with the styrene-methyl methacrylate copolymer on a calender or in a rotary mill or the synthetic rubber may be dissolved and the solution mixed with the styrene-methyl methacrylate copolymer or a solution thereof; alternatively, the synthetic rubber may be present in the monomer mixture from which the styrenemethyl methacrylate copolymer is made. The styrene-methyl methacrylate copolymer may be made by copolymerizing ...

An impact modified carbonate polymer composition having improved resistance to degradation and improved thermal stability

Polymeric composition and its manufactoring process

A method for manufacturing polymeric compositions of butadiene, methyl methacrylate and aromatic vinyl

METHOD OF PREPARING VINYL CHLORIDE RESIN COMPOSITIONS

Process for core-shell impact modifiers and impact modified thermoplastic composition with enhanced hydrolytic resistance

The present invention relates to a process for producing impact modifiers, impact modified thermoplastic molding compositions and in particular impact modified polycarbonate or polycarbonate/polyester blends having improved resistance to degradation. More particularly the present invention relates to a process for producing polymeric impact modifiers with a core-shell structure made by a multistage process comprising a control and adjustment if necessary of the pH value before and during the recovery step.

Acrylic composition having an increased resistance to alcohols, oils and fats

A transparent acrylic-based polymer composition has an increased resistance to alcohols, oils and fats. The polymer composition contains: (A) a copolymer of alkyl(meth)acrylates, aromatic vinyl monomer and unsaturated carboxylic acid anhydride; (B) a copolymer containing aromatic vinyl monomer and a vinyl cyanide monomer; and (C) a particulate core-shell type graft copolymer containing a butadiene-based core as a rubbery phase and a copolymer containing alkyl(meth)acrylates and, optionally, aromatic vinyl monomer as a hard phase. The components A and B form a polymer matrix and the particulate core-shell type graft copolymer C is dispersed in said polymer matrix. 1: A polymer composition comprising , based on the weight of the polymer composition , the following components A , B and C:A. 40.0 to 84.0 wt.-% of a copolymer comprising alkyl(meth)acrylates, aromatic vinyl monomer and unsaturated carboxylic acid anhydride;B. 4.0 to 20.0 wt.-% of a copolymer comprising aromatic vinyl monomer and a vinyl cyanide monomer; andC. 12.0 to 40.0 wt.-% of a particulate core-shell type graft copolymer comprising a butadiene-based core as a rubbery phase and a copolymer comprising alkyl(meth)acrylates and, optionally, aromatic vinyl monomer as a hard phase;wherein the components A and B form a polymer matrix and the particulate core-shell type graft copolymer C is dispersed in said polymer matrix; andwherein a content of vinyl cyanide monomer in the particulate core-shell type graft copolymer C is from 0 to 5.0 wt.-%, based on the weight of the particulate core-shell type graft copolymer C.2: The polymer composition according to claim 1 , wherein the copolymer A is a copolymer of48.0 to 90.0 wt.-% of alkyl(meth)acrylates;8.0 to 35.0 wt.-% of aromatic vinyl monomer; and2.0 to 17.0 wt.-% of unsaturated carboxylic acid anhydride, based on the weight of the copolymer A.3: The polymer composition according to claim 1 , wherein a weight average molecular weight Mw of the copolymer A is ...

CORE-SHELL PARTICLE, METHOD OF MANUFACTURING THE SAME AND APPLICATIONS THEREOF

The present invention is related to a core-shell particle and preparation and use thereof. The core of the core-shell particle includes a vinyl polymer. The shell of the core-shell particle includes a hydrophobic silane bonded to a surface of the core via a silane coupling agent. The core-shell particles are applied in a matting material as a matting agent. 1. A core-shell particle , comprising:a core comprising a vinyl polymer; anda shell comprising a hydrophobic silane bonded to a surface of the core via a silane coupling agent.2. The core-shell particle according to claim 1 , wherein the Tg of the core is in the range of 0° C. to 60° C.3. The core-shell particle according to claim 1 , wherein the Tg of the core is in the range of 5° C. to 50° C.4. The core-shell particle according to claim 1 , wherein the Tg of the core is in the range of 20° C. to 40° C.5. The core-shell particle according to claim 1 , wherein the hydrophobic silane is a long carbon-chain alkyl silane having 3 to 25 carbon atoms.6. The core-shell particle according to claim 1 , wherein the hydrophobic silane is present in an amount of 5 wt % to 30 wt % based on the total weight of the core-shell particle.7. The core-shell particle according to claim 1 , wherein the silane coupling agent is present in an amount of 5 wt % to 25 wt % based on the total weight of the core-shell particle.8. The core-shell particle according to claim 1 , wherein the hydrophobic silane having the following formula (I):{'br': None, 'sup': 2', '1, 'sub': y', '4-y, '(R)Si(OR)\u2003\u2003(I)'}wherein:{'sup': '1', 'sub': 1', '3, 'Ris C-Calkyl;'}{'sup': 2', '3, 'sub': 2', '2, 'Ris —(CH)—R;'}{'sup': '3', 'Ris alkyl or perhaloalkyl having 1 to 23 carbon atoms; and'}y is an integer from 1 to 3.9. The core-shell particle according to claim 6 , wherein the hydrophobic silane is selected from 1H claim 6 , 1H claim 6 , 2H claim 6 , 2H perfluorooctyltrimethoxysilane claim 6 , 1H claim 6 , 1H claim 6 , 2H claim 6 , 2H ...

Rubber graft copolymer, and thermoplastic resin composition containing rubber graft copolymer

The present invention relates to a thermoplastic resin composition comprising a rubber graft copolymer comprising a core layer containing a rubber copolymer and a shell layer grafted on the core layer and a thermoplastic resin comprising a polycarbonate resin and an aliphatic polyester resin in the mass ratio of the rubber graft copolymer/the thermoplastic resin of 3/100 or more, wherein the shell layer is obtained by polymerizing or copolymerizing a (meth)acrylate monomer having an epoxy group, and the amount of the (meth)acrylate monomer having an epoxy group is 3 parts by mass or more and less than 29 parts by mass based on 100 parts by mass of the rubber graft copolymer. The thermoplastic resin composition of the present invention can be utilized in various applications.

Crosslinked polymers prepared from functional monomers having imidazolium, pyridinium, aryl-substituted urea or aryl-substituted thiourea groups and uses thereof

The invention relates to a polymer obtainable by radical co-polymerisation of a first monomer of general formula (I) or (II) or a mixture thereof: wherein A, A′, B, B′ X, Y, Y′ and n are as defined herein; with a second, cross-linking monomer and optionally with one or more further co-monomers; wherein the molar ratio of the first monomer to other monomers is less than or equal to 1:5. The polymers selectively bind to phosphate ester compounds and can be used as a solid phase in a method for isolating compounds comprising a phosphate ester group from a mixture comprising one or more phosphate monoesters and/or phosphate diesters and/or other compounds such as lipids.

Resin Composition Exhibiting Good Heat Resistance and Insulation Properties, and Product Using Same

A resin composition that can exhibit good heat resistance and/or insulation properties includes (A) a polycarbonate resin, (B) a vinyl-based copolymer, (C) a fluorinated polyolefin and (D) a phosphorus-based flame retardant represented by Chemical Formula 1: 2. The resin composition of claim 1 , wherein the phosphorus-based flame retardant (D) represented by Chemical Formula 1 is biphenyl-4 claim 1 ,4′-diyl tetraphenyl bis(phosphate).3. The resin composition of claim 1 , comprising:about 65 wt % to about 94 wt % of the polycarbonate resin (A);about 1 wt % to about 20 wt % of the vinyl-based copolymer (B);about 0.01 wt % to about 2 wt % of the fluorinated polyolefin (C); andabout 1.5 wt % to about 15 wt % of the phosphorus-based flame retardant (D) represented by Chemical Formula 1, each based on the total weight of (A)+(B)+(C)+(D) of the resin composition.4. The resin composition of claim 1 , wherein the polycarbonate resin includes (A-1) a first polycarbonate resin and (A-2) a second polycarbonate resin having a different weight average molecular weight.5. The resin composition of claim 4 , wherein the first polycarbonate resin (A-1) has a weight average molecular weight of about 25 claim 4 ,000 g/mol to about 32 claim 4 ,000 g/mol claim 4 , andthe second polycarbonate resin (A-2) has a weight average molecular weight of about 20,000 g/mol to about 25,000 g/mol.6. The resin composition of claim 4 , wherein the polycarbonate resin includes about 25 wt % to about 65 wt % of the first polycarbonate resin (A-1) claim 4 , and about 35 wt % to about 75 wt % of the second polycarbonate resin (A-2) claim 4 , based on 100 wt % of the polycarbonate resin (A).7. The resin composition of claim 1 , wherein the vinyl-based copolymer includes at least one of (B-1) a rubber modified vinyl-based graft copolymer claim 1 , (B-2) a rubber modified vinyl-based graft copolymer grafted with a (meth)acrylic acid ester compound claim 1 , and/or (B-3) an aromatic vinyl compound-vinyl ...

Opaque high-impact methyl methacrylate-butadiene-styrene polymer for improving impact resistance of polyvinyl chloride and preparation method thereof

An opaque high-impact methyl methacrylate-butadiene-styrene polymer (MBS) for improving impact resistance of polyvinyl chloride (PVC) including the following components by mass: 80-95% of core layer, 4-20% of shell layer and 0.001-0.05% of protective colloid, where the core layer is a butadiene (B) and styrene (S) polymer, the shell layer is one or a copolymer of two or three of S, acrylate and methyl methacrylate (MMA), and the protective colloid includes one or a compound of two or three of polyvinyl alcohol (PVA), gelatin and hydroxypropylmethyl cellulose (HPMC), may solve the problems of low impact resistance in the existing MBS product and difficult coagulation or spraying in the post-treatment process.

GRAFT COPOLYMER, THERMOPLASTIC RESIN COMPOSITION INCLUDING GRAFT COPOLYMER, AND METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION

The present invention relates to a graft copolymer, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition. More specifically, the present invention provides a graft copolymer having a shell in which silica modified with a specific compound is dispersed within a specific content range, a thermoplastic resin composition including the graft copolymer, and a method of preparing the thermoplastic resin composition.

Process of manufacturing a multistage polymer, its composition, its use and composition comprising it

The present invention relates to a multistage polymer, its composition, its process of preparation, and its use as impact modifier in thermoplastic compositions. More particularly the present invention relates to a process for manufacturing a polymer composition comprising a multistage polymer and its use as impact modifier in thermoplastic compositions.

METHOD FOR PREPARING GRAFT COPOLYMER COMPLEX, GRAFT COPOLYMER COMPLEX, AND THERMOPLASTIC RESIN COMPOSITION COMPRISING GRAFT COPOLYMER COMPLEX

The present invention relates to a method for preparing a graft copolymer complex, a copolymer complex prepared by the method, and a thermoplastic resin composition comprising the copolymer complex, wherein the method comprises emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; and adding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same. 1. A method for preparing a graft copolymer complex , the method comprising:emulsion-polymerizing a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer to prepare a graft copolymer latex; andadding an imidazole-based ionic compound to the graft copolymer latex and coagulating the same.2. The method of claim 1 , wherein the imidazole-based ionic compound is added in an amount of 1.0 to 7.0 parts by weight based on 100 parts by weight of the graft copolymer latex.3. The method of claim 1 , wherein the imidazole-based ionic compound is added in an amount of 2.0 to 5.0 parts by weight based on 100 parts by weight of the graft copolymer latex.41. The method of claim 1 , wherein the imidazole-based ionic compound is one or more selected from the group consisting of 1-butyl-3-methylimidazolium chloride and 1-hexyl-3-methylimidazolium chloride.5. The method of claim 1 , wherein the coagulation is performed at 93 to 97° C. for 5 to 20 minutes.6. The method of claim 1 , wherein claim 1 , after the coagulation claim 1 , an aging process is further performed at 95 to 100° C. for 10 to 30 minutes.7. The method of claim 1 , wherein 20 to 70% by weight of the conjugated diene-based polymer claim 1 , 7 to 30% by weight of the aromatic vinyl-based monomer claim 1 , and 20 to 60% by weight of the alkyl (meth)acrylate-based monomer are emulsion-polymerized based on a total weight of the conjugated diene-based polymer and the monomers.8. The ...

PRECURSOR FILM, SUBSTRATE WITH PLATED LAYER, CONDUCTIVE FILM, TOUCH PANEL SENSOR, TOUCH PANEL, METHOD FOR PRODUCING CONDUCTIVE FILM, AND COMPOSITION FOR FORMING PLATED LAYER

The present invention provides a precursor film for producing a conductive film, the precursor film including: a substrate; and a plated layer precursor layer disposed on the substrate, in which the plated layer precursor layer includes a polyfunctional monomer, a monofunctional monomer, and a polymer which has a functional group interacting with a plating catalyst or a precursor of the plating catalyst and has a polymerizable functional group. 1. A precursor film for producing a conductive film , the precursor film comprising:a substrate; anda plated layer precursor layer disposed on the substrate,wherein the plated layer precursor layer includes at least one polyfunctional monomer selected from the group consisting of a polyfunctional acrylamide monomer and a polyfunctional methacrylamide monomer, a monofunctional monomer, and a polymer which has a functional group interacting with a plating catalyst or a precursor of the plating catalyst and has a polymerizable functional group.2. The precursor film according to claim 1 ,{'sup': '0.5', 'wherein an absolute value of a difference between a Hansen solubility parameter of the monofunctional monomer and a Hansen solubility parameter of the polymer which has a functional group interacting with a plating catalyst or a precursor of the plating catalyst and has a polymerizable functional group is 6.0 MPaor less.'}3. The precursor film according to claim 1 ,wherein the monofunctional monomer has a functional group which interacts with a plating catalyst or a precursor of the plating catalyst.4. The precursor film according to claim 1 ,wherein the polymer which has a functional group interacting with a plating catalyst or a precursor of the plating catalyst and has a polymerizable functional group is a polymer having a repeating unit derived from a conjugated diene compound and a repeating unit derived from an unsaturated carboxylic acid or a derivative of the unsaturated carboxylic acid.6. The precursor film according to ...

Method for preparing conjugated diene copolymer, conjugated diene copolymer by prepared the method and rubber composition comprising the copolymer

본 발명은 공액디엔계 공중합체 제조방법에 관한 것으로, 보다 상세하게는 α-메틸스티렌 단량체, 공액디엔계 단량체 및 히드록시 알킬 (메트)아크릴레이트 단량체를 포함하여 유화 중합시키는 단계(S10)단계를 포함하고, 상기 α-메틸스티렌 단량체 및 공액디엔계 단량체는 상기 유화 중합의 중합 전환율 0%인 시점에 일괄 투입되며, 상기 히드록시 알킬 (메트)아크릴레이트 단량체는 상기 유화 중합의 중합 전환율 0% 내지 80%인 시점에서 2회 이상 분할 투입되고, 단량체 전체 함량에 대하여, 상기 α-메틸스티렌 단량체는 10 중량% 내지 50 중량%, 상기 공액디엔계 단량체는 49 중량% 내지 89 중량% 및 상기 히드록시 알킬 (메트)아크릴레이트 단량체는 0.1 중량% 내지 5 중량%로 투입되는 것인 공액디엔계 공중합체 제조방법, 이로부터 제조된 공액디엔계 공중합체 및 이를 포함하는 고무 조성물을 제공한다. The present invention relates to a method for preparing a conjugated diene-based copolymer, and more specifically, the step of emulsifying and polymerizing (S10) comprising α-methylstyrene monomer, conjugated diene-based monomer, and hydroxy alkyl (meth)acrylate monomer. Containing, the α- methyl styrene monomer and the conjugated diene-based monomer are batch-injected at a time when the polymerization conversion rate of the emulsion polymerization is 0%, and the hydroxy alkyl (meth)acrylate monomer is 0% to the polymerization conversion rate of the emulsion polymerization. It is divided into two or more times at the time of 80%, and based on the total content of the monomer, the α-methylstyrene monomer is 10% to 50% by weight, the conjugated diene-based monomer is 49% to 89% by weight, and the hydroxy The alkyl (meth)acrylate monomer provides a method for preparing a conjugated diene-based copolymer that is added at 0.1% to 5% by weight, a conjugated diene-based copolymer prepared therefrom, and a rubber composition comprising the same.

Thermoplastic resin composition and article produced therefrom

본 발명의 열가소성 수지 조성물은 폴리카보네이트 수지 100 중량부; 고무질 중합체에 방향족 비닐계 단량체 및 시안화 비닐계 단량체를 포함하는 단량체 혼합물이 그라프트 중합된 제1 고무변성 비닐계 그라프트 공중합체 1 내지 10 중량부; 고무질 중합체에 알킬 (메타)아크릴레이트계 단량체가 그라프트 중합된 제2 고무변성 비닐계 그라프트 공중합체 1 내지 10 중량부; 인계 난연제 1 내지 30 중량부; 및 캡슐화된 불소 중합체 0.1 내지 5 중량부;를 포함하는 것을 특징으로 한다. 상기 열가소성 수지 조성물은 내충격성, 박막 난연성, 내열성, 유동성 등이 우수하다. The thermoplastic resin composition of the present invention is 100 parts by weight of a polycarbonate resin; 1 to 10 parts by weight of the first rubber-modified vinyl-based graft copolymer in which a monomer mixture comprising an aromatic vinyl monomer and a vinyl cyanide monomer is grafted to the rubbery polymer; 1 to 10 parts by weight of the second rubber-modified vinyl graft copolymer in which an alkyl (meth) acrylate monomer is graft-polymerized to a rubbery polymer; 1 to 30 parts by weight of a phosphorus flame retardant; And 0.1 to 5 parts by weight of the encapsulated fluoropolymer. The thermoplastic resin composition is excellent in impact resistance, thin film flame retardancy, heat resistance, fluidity and the like.

Thermoplastic resin composition, manufacturing method of thermoplastic resin composition, molded article and manufacturing method of molded article

내충격성이 우수하면서, 특히 고도의 투명성, 양호한 색조를 겸비한 열가소성 수지 조성물을 제공한다. 본 발명은, 굴절률이 1.510 이상 1.520 이하인 고무질 중합체(r) 존재 하에서, 적어도, 방향족 비닐계 단량체(a1)와 (메타)아크릴산 에스테르계 단량체(a2)를 포함하고, 시안화 비닐계 단량체(a3)를 실질적으로 함유하지 않는 단량체 혼합물(a)을, 그래프트 공중합하여 얻어진 그래프트 공중합체(A)와 비닐계 공중합체(B)를 가지는 열가소성 수지 조성물로서, 열가소성 수지 조성물의 아세톤 불용분(C)이, 시안화 비닐계 단량체 유래 단위를 실질적으로 함유하지 않고, 열가소성 수지 조성물의 아세톤 가용분(D)이, 시안화 비닐계 단량체 유래 단위를 포함하고, 또한, 시안화 비닐계 단량체 유래 단위의 함유량이, 아세톤 가용분(D) 100질량%에 대해, 2질량% 이상 20질량% 이하인 것을 특징으로 한다. Provided is a thermoplastic resin composition which is excellent in impact resistance and has particularly high transparency and good color tone. The present invention comprises at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (r) having a refractive index of 1.510 or more and 1.520 or less, and a vinyl cyanide monomer (a3) A thermoplastic resin composition comprising a graft copolymer (A) and a vinyl-based copolymer (B) obtained by graft copolymerizing a monomer mixture (a) substantially free of acetone, wherein the acetone-insoluble component (C) of the thermoplastic resin composition is cyanide Substantially free from vinyl-based monomer-derived units, the acetone-soluble content (D) of the thermoplastic resin composition contains vinyl-cyanide-based monomer-derived units, and the content of vinyl-cyanide-based monomer-derived units is acetone-soluble ( D) It is characterized by being 2 mass % or more and 20 mass % or less with respect to 100 mass %.

Thermoplastic resin composition

본 기재는 열가소성 수지 조성물에 관한 것으로, 보다 상세하게는 코어-쉘 구조의 ASA계 그라프트 공중합체, SAN계 공중합체 및 공액디엔-프리 ASA계 그라프트 공중합체를 포함하되, 상기 코어-쉘 구조의 ASA계 그라프트 공중합체의 코어는 공액디엔 단량체 및 알킬 아크릴레이트 단량체를 포함하는 내층 고무코어, 및 상기 내층 고무코어를 감싸고 알킬 아크릴레이트 단량체를 포함하는 외층 고무코어를 포함하는 열가소성 수지 조성물에 관한 것이다. 본 기재에 따르면 저온 충격강도가 뛰어나면서도 내후성과 외관특성이 우수한 열가소성 수지 조성물에 관한 것이다. The present invention relates to a thermoplastic resin composition, and more particularly, to a thermoplastic resin composition comprising an ASA-based graft copolymer, a SAN-based copolymer and a conjugated diene-free ASA-based graft copolymer having a core- Wherein the core of the ASA-based graft copolymer comprises an inner rubber core comprising an inner layer rubber core comprising a conjugated diene monomer and an alkyl acrylate monomer, and an outer layer rubber core comprising an alkyl acrylate monomer will be. The present invention relates to a thermoplastic resin composition having excellent low temperature impact strength and excellent weather resistance and appearance characteristics.

Rubber-copolymer and method for preparing thereof

본 발명은 메틸메타크릴레이트-부타디엔-스티렌 그라프트 공중합체용 고무중합체 및 그의 제조방법에 관한 것으로, 특히 고무중합체의 단계별 팽윤도를 조절하여 공액디엔 화합물 및 에틸렌 불포화 단량체를 유화중합하여 팽윤도가 최대 7인 내층 라텍스를 제조한 후, 상기 내층 라텍스에 공액디엔 화합물 및 에틸렌 불포화 단량체를 유화중합하여 팽윤도가 적어도 14인 외층을 제조하여 내충격성 및 내백화성이 현저히 향상된 메틸메타크릴레이트-부타디엔-스티렌 그라프트 공중합체용 고무중합체 및 그의 제조방법에 관한 것이다. The present invention relates to a rubber polymer for methyl methacrylate-butadiene-styrene graft copolymer and a method for preparing the same, and in particular, by controlling the swelling degree of the rubber polymer stepwise to emulsify the conjugated diene compound and the ethylenically unsaturated monomer to have a swelling degree of 7 After preparing the inner layer latex, emulsion conjugated conjugated diene compound and ethylenically unsaturated monomer to the inner layer latex to prepare an outer layer having a swelling degree of at least 14 to significantly improve the impact resistance and whitening resistance of methyl methacrylate-butadiene-styrene graft copolymerization. The present invention relates to a body rubber polymer and a method for producing the same. 팽윤도, 고무중합체, 다층구조, 메틸메타크릴레이트-부타디엔-스티렌, MBS 그라프트 공중합체, 충격보강제, 염화비닐수지, 내충격성, 내백화성 Swelling degree, rubber polymer, multilayer structure, methyl methacrylate-butadiene-styrene, MBS graft copolymer, impact modifier, vinyl chloride resin, impact resistance, whitening resistance

Thermoplastic resin composition and article produced therefrom

본 발명의 열가소성 수지 조성물은 폴리카보네이트 수지; 고무변성 비닐계 그라프트 공중합체; 유리 섬유; 및 인계 난연제;를 포함하며, 상기 고무변성 비닐계 그라프트 공중합체는 평균 입자 크기가 100 내지 170 nm인 고무질 중합체 코어, 및 상기 코어 표면에 피복된 다층 쉘을 포함하고, 상기 다층 쉘은 알킬 (메타)아크릴레이트 단량체가 상기 코어 표면에 그라프트 중합되어 형성되는 제1 쉘, 및 알킬 (메타)아크릴레이트 단량체 및 방향족 비닐계 단량체를 포함하는 단량체 혼합물이 상기 제1 쉘 표면에 그라프트 중합되어 형성되는 제2 쉘로 이루어진 것을 특징으로 한다. 상기 열가소성 수지 조성물은 내충격성, 난연성, 유동성, 사출 성형성 등이 우수하다. The thermoplastic resin composition of the present invention comprises a polycarbonate resin; Rubber-modified vinyl-based graft copolymer; glass fiber; And a phosphorus-based flame retardant; wherein the rubber-modified vinyl-based graft copolymer includes a rubbery polymer core having an average particle size of 100 to 170 nm, and a multilayer shell coated on the surface of the core, and the multilayer shell is an alkyl ( A first shell formed by graft polymerization of a meth)acrylate monomer on the surface of the core, and a monomer mixture including an alkyl (meth)acrylate monomer and an aromatic vinyl-based monomer are formed by graft polymerization on the surface of the first shell It is characterized by consisting of a second shell. The thermoplastic resin composition is excellent in impact resistance, flame retardancy, fluidity, and injection molding properties.

MBS Graft Copolymer, Method For Preparing The Same And PVC Composition Containing The Same

본 발명은 메틸메타크릴레이트-부타디엔-스티렌계 그라프트 공중합체, 이의 제조방법 및 이를 포함하는 PVC 조성물에 관한 것으로, 라텍스 안정성이 개선된 MBS계 공중합체, 이의 제조방법 및 이를 포함하여 PVC의 투명성을 유지하는 동시에 고무 함량 증가시 문제가 되던 응집특성 및 내충격성이 뛰어난 염화비닐수지 조성물을 제공하는 효과가 있다. The present invention relates to a methyl methacrylate-butadiene-styrene graft copolymer, a process for producing the same, and a PVC composition comprising the same, which is characterized by having improved latex stability, MBS copolymer, And a vinyl chloride resin composition excellent in flocculation property and impact resistance, which was a problem in increasing the rubber content, is provided.

Acrylic Copolymer Composition of Vinyl Chloride Resin, Method for Preparing the Same and Vinyl Chride Resin Composition Comprising the Same

본 발명은 아크릴계 공중합체 조성물, 이를 제조하는 방법 및 이를 포함하는 염화비닐계 수지 조성물에 관한 것으로서, 스티렌부타디엔계 가교체 5 내지 15중량%와 메틸 메타크릴레이트, 알킬 아크릴레이트 및 알킬 메타크릴레이트로 이루어지는 군으로부터 1 종 이상 선택되는 단량체 85 내지 95중량%를 포함하는 아크릴계 공중합체 조성물이며, 상기 아크릴계 공중합체 조성물을 염화비닐계 수지에 첨가하여 우수한 발포성의 염화비닐계 수지를 제공하고, 충격보강제와 혼합되어 첨가함으로써 염화비닐계 수지의 충격강도를 더욱 향상시킬 수 있는 효과가 있다. The present invention relates to an acrylic copolymer composition, a method of preparing the same, and a vinyl chloride resin composition including the same, wherein the styrene-butadiene-based crosslinked product is 5 to 15% by weight and methyl methacrylate, alkyl acrylate and alkyl methacrylate. An acrylic copolymer composition comprising 85 to 95% by weight of at least one monomer selected from the group consisting of: an acrylic copolymer composition is added to a vinyl chloride resin to provide an excellent foamable vinyl chloride resin; By adding the mixture, there is an effect that can further improve the impact strength of the vinyl chloride resin. 아크릴계 공중합체, 염화비닐계 수지, 발포 성형체, 충격강도 Acrylic copolymer, vinyl chloride resin, foam molding, impact strength

A Preparation Method of MBS based Impact Strength Modifier for Thermoplastic Polyester Resin and Thermoplastic Polyester Resin Composition Thereof

본 발명은 열가소성 폴리에스테르 수지 조성물의 투명성을 유지하면서도 동시에 내충격 강도를 향상시키기 위하여 충격보강제로서 사용되는 MBS계 열가소성 그라프트 공중합체의 제조방법 및 상기 방법으로 제조된 열가소성 그라프트 공중합체를 함유하는 열가소성 폴리에스테르 수지 조성물에 관한 것으로서, 상기 열가소성 그라프트 공중합체는 그라프트 중합 중에 산, 염 또는 고분자 응집제를 투입하여 입자의 입경 크기를 증가시킴으로써 열가소성 폴리에스테르 수지 조성물의 투명성과 내충격성을 향상시킬 수 있다. The present invention provides a method for producing an MBS-based thermoplastic graft copolymer used as an impact modifier to maintain the transparency of the thermoplastic polyester resin composition and at the same time improve the impact strength, and a thermoplastic containing the thermoplastic graft copolymer prepared by the method. Regarding the polyester resin composition, the thermoplastic graft copolymer may improve transparency and impact resistance of the thermoplastic polyester resin composition by increasing an particle size of particles by adding an acid, a salt, or a polymer flocculant during graft polymerization. . 내충격성, 투명성, 열가소성 폴리에스테르, MBS, 고무 라텍스, 스타이렌-부타디엔 고무 Impact Resistance, Transparency, Thermoplastic Polyester, MBS, Rubber Latex, Styrene-Butadiene Rubber

염화비닐수지용 충격보강제 및 이의 제조방법

본 발명은 고무라텍스에 알킬메타크릴레이트, 아크릴레이트 및 에틸렌 불포화 방향족 화합물로 구성된 군에서 1종 이상 선택된 비닐단량체를 그라프트 중합하는 그라프트 공중합체의 제조 방법에 있어서, 그라프트 중합 도중에 산을 투여하는 산응집 단계를 부가하는 것이 특징인 그라프트 공중합체의 제조방법 및 상기 방법에 의해 제조된 그라프트 공중합체를 제공한다. 본 발명의 제조방법에 의해 제조된 그라프트 공중합체를 염화비닐수지의 충격보강제로 사용하면 내충격성, 투명성 및 내백화성이 우수한 염화비닐수지가 제공된다. 내충격성, 내백화성, 충격보강제, 염화비닐수지

Alpha methyl styrene-acrylonitrile-methylmethacrylate copolymer having excellent heat resistance and processibility, and a method of preparation thereof

본 발명은 내열성 및 가공성이 우수한 알파메틸스티렌 - 아크릴로니트릴 - 메틸메타크릴레이트 공중합 수지 및 그 제조방법에 관한 것으로서, 그 제조방법은 알파메틸스티렌, 아크릴로니트릴, 메틸 메타크릴레이트, 용매 및 과산화물 개시제를 포함하는 반응혼합물을 중합 장치에 투입하고 괴상 중합한 다음, 괴상 중합된 폴리머 반응액을 휘발조에 투입하고, 미반응 단량체와 용매를 휘발시켜 폴리머를 분리시키는 단계를 포함하여 이루어지며, 연속공정으로 수행된다. 상기 방법은 내열성 및 가공성이 우수한 알파메틸스티렌 - 아크릴로니트릴 - 메틸메타크릴레이트 공중합 수지를 제조할 수 있다는 장점이 있다. The present invention relates to an alphamethylstyrene-acrylonitrile-methyl methacrylate copolymer resin having excellent heat resistance and processability, and a method for preparing the same, wherein the production method is alphamethylstyrene, acrylonitrile, methyl methacrylate, a solvent, and a peroxide. A reaction mixture comprising an initiator is introduced into a polymerization apparatus, subjected to a bulk polymerization, and then a bulk polymerized polymer reaction solution is added to a volatilization tank, followed by volatilization of an unreacted monomer and a solvent to separate the polymer. Is performed. The method has an advantage in that alphamethylstyrene-acrylonitrile-methylmethacrylate copolymer resin having excellent heat resistance and processability can be prepared. 괴상 중합, 알파메틸스티렌, 아크릴로니트릴, 메틸메타크릴레이트, 내열성, 가공성, 연속 중합 Bulk polymerization, alpha methyl styrene, acrylonitrile, methyl methacrylate, heat resistance, processability, continuous polymerization

다단 폴리머를 포함하는 경화성 조성물

본 발명은 (메트)아크릴 모노머, 에틸렌성 불포화 올리고머 및 특정 다단 폴리머 첨가제를 포함하는 경화성 조성물에 관한 것이다. 첨가제는 조성물의 중합 동안 경화 수축을 감소시키고 균열의 형성을 감소시키거나 방지하기 위한 가공 보조제로서 사용된다.

Method for preparing methylmethacrylate-butadiene-styrene resin

본 발명은 메틸메타크릴레이트-부타디엔-스티렌(MBS)계 수지의 제조방법에 관한 것으로, 특히 부타디엔 단량체, 방향족 비닐 단량체, 또는 이들의 혼합물을 유화중합할 때 4단계로 나누어 가교제의 투입 유무를 조절하여 가교도가 조절된 코어 고무질 중합체를 제조한 후, 쉘중합시 그라프트되는 단량체를 1, 2단계에서 일시에 투입하며 1단계에서는 방향족 비닐 단량체를 투여하고, 2단계 및 3단계 반응에서는 알킬 아크릴레이트 단량체를 투여하여 충격성이 우수한 코어-쉘 구조의 메틸메타크릴레이트-부타디엔-스티렌(MBS)계 수지의 제조방법에 관한 것이다. The present invention relates to a manufacturing method of methyl methacrylate-butadiene-styrene (MBS) resin, in particular, when emulsion polymerization of butadiene monomer, aromatic vinyl monomer, or a mixture thereof is divided into four steps to control the presence or absence of crosslinking agent After preparing the core rubber polymer having a controlled crosslinking degree, the monomer grafted in the shell polymerization was added at a time in steps 1 and 2, the aromatic vinyl monomer was administered in the first step, and the alkyl acrylate in the second and third reactions. The present invention relates to a method for producing a methyl methacrylate-butadiene-styrene (MBS) resin having a core-shell structure having excellent impact properties by administering a monomer. 본 발명의 방법으로 제조되는 메틸메타크릴레이트-부타디엔-스티렌계 수지는 폴리염화비닐수지에 충격보강제로 사용되어 충격강도 및 투명성을 크게 향상시킬 수 있다. Methyl methacrylate-butadiene-styrene resin prepared by the method of the present invention can be used as an impact modifier in a polyvinyl chloride resin can greatly improve the impact strength and transparency.

共轭二烯类共聚物的制备方法、由此制备的共轭二烯类共聚物和包含其的橡胶组合物

本发明提供一种共轭二烯类共聚物的制备方法，更具体地，提供一种共轭二烯类共聚物的制备方法、由该制备方法制备的共轭二烯类共聚物和包含该共轭二烯类共聚物的橡胶组合物，所述制备方法包括：(S10)对α‑甲基苯乙烯单体、共轭二烯类单体和(甲基)丙烯酸羟基烷基酯单体进行乳液聚合，其中，当所述乳液聚合的聚合转化率为0％时，所述α‑甲基苯乙烯单体和所述共轭二烯类单体一起一次性加入，当所述乳液聚合的聚合转化率为0％至80％时，所述(甲基)丙烯酸羟基烷基酯单体分两次或更多次分开加入，基于总单体量，所述α‑甲基苯乙烯单体以10重量％至50重量％的量加入，所述共轭二烯类单体以49重量％至89重量％的量加入，所述(甲基)丙烯酸羟基烷基酯单体以0.1重量％至5重量％的量加入。

共役ジエン系共重合体の製造方法、それから製造された共役ジエン系共重合体、およびそれを含むゴム組成物

Method for preparing conjugated diene-based copolymer, conjugated diene-based copolymer prepared therefrom, rubber composition comprising the same

Provided is a method for preparing a conjugated diene-based copolymer, a conjugated diene-based copolymer prepared therefrom, and a rubber composition including the same.

Method for preparing conjugated diene-based copolymer, conjugated diene-based copolymer prepared thereby and rubber composition comprising same

共轭二烯类共聚物的制备方法、由此制备的共轭二烯类共聚物和包含其的橡胶组合物

本发明提供一种共轭二烯类共聚物的制备方法，更具体地，提供一种共轭二烯类共聚物的制备方法、由该制备方法制备的共轭二烯类共聚物和包含该共轭二烯类共聚物的橡胶组合物，所述制备方法包括：(S10)对α‑甲基苯乙烯单体、共轭二烯类单体和(甲基)丙烯酸羟基烷基酯单体进行乳液聚合，其中，当所述乳液聚合的聚合转化率为0％时，所述α‑甲基苯乙烯单体和所述共轭二烯类单体一起一次性加入，当所述乳液聚合的聚合转化率为0％至80％时，所述(甲基)丙烯酸羟基烷基酯单体分两次或更多次分开加入，基于总单体量，所述α‑甲基苯乙烯单体以10重量％至50重量％的量加入，所述共轭二烯类单体以49重量％至89重量％的量加入，所述(甲基)丙烯酸羟基烷基酯单体以0.1重量％至5重量％的量加入。

Method for preparing conjugated diene-based copolymer, conjugated diene-based copolymer prepared thereby and rubber composition comprising same

The present invention relates to a method for preparing a conjugated diene-based copolymer and, more specifically, provides a method for preparing a conjugated diene-based copolymer, a conjugated diene-based copolymer prepared thereby and a rubber composition comprising the same, the method comprising a step (S10) of emulsion-polymerizing a α-methylstyrene monomer, a conjugated diene-based monomer and a hydroxyalkyl (meth)acrylate monomer, wherein the α-methylstyrene monomer and the conjugated diene-based monomer are injected at the point in time when the polymerization conversion rate of the emulsion polymerization is 0%, the hydroxyalkyl (meth)acrylate monomer is dividedly injected at least twice at the point in time when the polymerization conversion rate of the emulsion polymerization is 0-80%, and 10-50 wt% of the α-methylstyrene monomer, 49-89 wt% of the conjugated diene-based monomer and 0.1-5 wt% of the hydroxyalkyl (meth)acrylate monomer are injected on the basis of the total amount of monomers.

Method for preparing conjugated diene-based copolymer, conjugated diene-based copolymer prepared thereby and rubber composition comprising same

Provided is a method for preparing a conjugated diene-based copolymer, and more specifically, a method for preparing a conjugated diene-based copolymer, a conjugated diene-based copolymer prepared therefrom, and a rubber composition including the same, the method including: (S10) performing emulsion polymerization on an α-methylstyrene monomer, a conjugated diene-based monomer, and a hydroxyalkyl(meth)acrylate monomer, wherein the α-methylstyrene monomer and the conjugated diene-based monomer are added together at one time when a polymerization conversion ratio of the emulsion polymerization is 0%, and the hydroxyalkyl(meth)acrylate monomer is divisionally added two or more times when the polymerization conversion ratio of the emulsion polymerization is 0% to 80%, the α-methylstyrene monomer is added in an amount of 10% by weight to 50% by weight, the conjugated diene-based monomer is added in an amount of 49% by weight to 89% by weight, and the hydroxyalkyl(meth)acrylate monomer is added in an amount of 0.1% by weight to 5% by weight, based on the total monomer amount.

Method for preparing conjugated diene-based copolymer, conjugated diene-based copolymer prepared thereby and rubber composition comprising same

THERMOPLASTIC MOLDING COMPOUNDS

A mehtod for preparing graft copolymer for impact strength modifiers, an impact strength modifiers, and methacryl resin composition containing the same

본 발명은 메타크릴계 수지용 충격보강제의 제조방법, 충격보강제 및 이를 포함하는 메타크릴계 수지 조성물에 관한 것으로, 보다 상세하게는 시드-고무코어-그라프트 중합단계로 이루어진 그라프트 중합체를 제조하는 과정 중 그라프트 중합단계에서 알킬 메타크릴레이트 60 ~ 100 중량%와 방향족 비닐 화합물 및 알킬 아크릴레이트 화합물로 이루어지는 군으로부터 선택되는 1종 이상의 화합물 0 ~ 40 중량%로 이루어진 단량체 혼합물을 투입하여 그라프트 중합을 하고, 상기 중합 전환율이 70% 내지 95% 일 때, 산, 염 또는 고분자 응집제를 첨가한 다음, 중합을 계속 진행시켜 100 내지 500nm로 입경이 증가된 예비 그라프트 중합체를 제조하는 단계를 포함하는 것을 특징으로 하는 그라프트 중합체 및 그 제조 방법, 그리고 상기 그라프트 중합체를 포함한 메타크릴계 수지 조성물에 관한 것이다. 본 발명에 따르면 충격강도와 투명도가 우수한 메타크릴계 수지 조성물을 제공하는 효과가 있다. The present invention relates to a method for preparing an impact modifier for methacryl resin, an impact modifier, and a methacryl resin composition comprising the same, and more particularly, to prepare a graft polymer comprising a seed-rubber core-graft polymerization step. In the graft polymerization step, a graft polymerization is performed by adding a monomer mixture composed of 60 to 100% by weight of alkyl methacrylate and 0 to 40% by weight of at least one compound selected from the group consisting of aromatic vinyl compounds and alkyl acrylate compounds. When the polymerization conversion rate is 70% to 95%, adding an acid, salt or polymer flocculant, and then proceeding the polymerization to prepare a pre-grafted polymer having a particle size increased to 100 to 500nm Graft polymer, a method for producing the same, and a method including the graft polymer It relates to a methacrylic resin composition. According to the present invention has an effect of providing a methacryl-based resin composition excellent in impact strength and transparency. 메타크릴계 수지, 그라프트 중합체, 충격보강제, 산 응집, 염 응집, 고분자 응집제, 충격강도, 투명도, 굴절율 Methacrylic resins, graft polymers, impact modifiers, acid agglomerates, salt agglomerates, polymer flocculants, impact strength, transparency, refractive index

Acryl-Conjugated Diene Rubber Based Resin for Impact Modifier and Weatherability and Method for Preparing the Same

본 발명은 아크릴-공액디엔계 복합 고무성 충격보강제 및 그의 제조방법에 관한 것으로, 본 발명은 아크릴-공액 디엔계 복합 충격보강제에 있어서, 충격보강제 100 중량부에 대하여, a) 시이드 0.01 내지 10 중량부; b) 아크릴-공액디엔계 복합 고무성 코어 100 중량부에 대하여, b-1) 상기 시이드를 둘러싸는 제1 아크릴-공액디엔계 복합 고무성 코어 50 내지 98 중량부; 및 b-2) 상기 제1 복합 고무성 코어를 둘러싸는 제2 아크릴-공액디엔계 복합 고무성 코어 2 내지 50 중량부를 포함하여 이루어지는 아크릴-공액디엔계 복합 고무성 코어 60 내지 90 중량부; 및 c) 알킬기의 탄소수가 1 내지 4 인 알킬 메타크릴레이트를 포함하는 상기 아크릴-공액디엔계 복합 고무성 코어를 둘러싸는 셸 10 내지 40 중량부;를 포함하여 이루어지는 아크릴-공액디엔계 복합 고무성 충격보강제를 제공한다. 본 발명에 따른 아크릴-공액디엔계 복합 고무성 충격보강제는 우수한 저온 충격강도 및 내후성과 분말 특성을 갖는 효과가 있다. The present invention relates to an acrylic-conjugated diene-based composite rubber impact modifier and a method for manufacturing the same. The present invention relates to an acrylic-conjugated diene-based composite impact modifier, based on 100 parts by weight of the impact modifier, a) 0.01 to 10 Parts by weight; b) 50 to 98 parts by weight of the first acrylic-conjugated diene-based composite rubber core surrounding the seed; And b-2) 60 to 90 parts by weight of an acryl-conjugated diene-based composite rubber core comprising 2 to 50 parts by weight of a second acrylic-conjugated diene-based composite rubber core surrounding the first composite rubber core. And c) 10 to 40 parts by weight of a shell surrounding the acryl-conjugated diene-based composite rubber core including alkyl methacrylate having 1 to 4 carbon atoms of an alkyl group. Provide impact modifiers. Acrylic-conjugated diene-based composite rubber impact modifier according to the present invention has the effect of excellent low temperature impact strength and weather resistance and powder properties. 충격보강제, 염화비닐 수지, 내충격성, 내후성, 분말 흐름성, 부타디엔, 알킬 아크릴레이트, 알킬 메타크릴레이트 Impact modifier, vinyl chloride resin, impact resistance, weather resistance, powder flowability, butadiene, alkyl acrylate, alkyl methacrylate

할로겐 프리 열가소성 수지 조성물 및 ｍａｂｓ계 투명 열가소성 수지

본 발명은 난연성이 우수한 할로겐 프리(halogen free) 열가소성 수지 조성물 및 MABS계 투명 열가소성 수지에 관한 것으로, 본 발명에 따르면, 투명성이 우수하고 차르(char) 생성능력이 뛰어나 캔들 프레임 이그니션(Candle Flame Ignition) 난연 규격을 통과할 정도로 난연성 또한 향상시킬 수 있다.

Impact strength modifier, thermoplastic resin composition, molded article, and method for producing graft copolymer

Methylmethacrylate-butadiene-styrene impact modifier and environment-friendly polylactic acid resin composition comprising the same

본 발명은 코어-쉘 구조의 충격보강제의 그라프트 중합 단계에서 폴리에틸렌글리콜계 공단량체를 다량으로 사용함으로써 가교 역할을 하면서 크기 증대와 함께 폴리유산 수지와의 상용성을 증대하여 충격보강제의 분산 효과를 크게 하여 폴리유산 수지의 단점인 취성(brittleness)을 현저히 개선하는 효과를 나타내며 충격강도가 우수한 메틸메타크릴레이트-부타디엔-스티렌계 충격보강제 및 이를 포함하는 친환경 폴리유산 수지 조성물에 관한 것이다. The present invention uses a large amount of polyethyleneglycol comonomer in the graft polymerization step of the core-shell structure impact modifier to increase the size and increase the compatibility with the polylactic acid resin, thereby improving the dispersion effect of the impact modifier Butadiene-styrene type impact modifier which exhibits an effect of remarkably improving the brittleness which is a disadvantage of the polylactic acid resin and has an excellent impact strength, and an eco-friendly poly (lactic acid) resin composition containing the same.

High rubber impact modifier having superior powder flow properties, method for preparing the same, and vinyl chloride resin comprising the same

본 발명은 염화비닐계 수지에 첨가되어 우수한 내충격성, 및 내후성을 부여하는 90 중량% 이상의 고무비를 갖는 고 고무성 아크릴계 충격 보강제에 관한 것으로, a) 비닐계 단량체와 친수성 단량체를 유화 공중합하여 얻는 시이드 0.3 내지 10 중량부; b) 상기 시이드를 둘러싸며, 알킬기의 탄소수가 1 내지 8 인 알킬 아크릴레이트계 고분자를 함유하는 고무성 코어 89.7 내지 94.7 중량부; 및 c) 상기 고무성 코어를 둘러싸며, 알킬기의 탄소수가 1 내지 4 인 알킬 메타크릴레이트계 고분자를 함유하는 셸 0.3 내지 10 중량부를 포함하는 우수한 분말 흐름성을 갖는 다층구조의 고 고무성 아크릴계 충격보강제, 그의 제조방법, 및 이를 함유하는 염화비닐계 수지를 제공한다. The present invention relates to a high rubbery acrylic impact modifier having a rubber ratio of at least 90% by weight, which is added to a vinyl chloride resin to provide excellent impact resistance and weather resistance, and a) obtained by emulsion copolymerizing a vinyl monomer and a hydrophilic monomer. 0.3 to 10 parts by weight of the seed; b) 89.7 to 94.7 parts by weight of a rubbery core surrounding the seed and containing an alkyl acrylate polymer having 1 to 8 carbon atoms in the alkyl group; And c) a shell having 0.3 to 10 parts by weight of a shell surrounding the rubber core and containing an alkyl methacrylate polymer having 1 to 4 carbon atoms of an alkyl group. It provides a reinforcing agent, a method for producing the same, and a vinyl chloride resin containing the same. 충격보강제, 염화비닐 수지, 내충격성, 내후성, 분말 흐름성, 스티렌, 알킬 아크릴레이트, 알킬 메타크릴레이트 Impact modifier, vinyl chloride resin, impact resistance, weather resistance, powder flowability, styrene, alkyl acrylate, alkyl methacrylate

Core-shell particle toughened PBT/PC alloy and preparation method

本发明的核壳粒子增韧PBT/PC合金该合金的PBT为50%，PC为30%，PB‑g‑MSG核壳粒子为20%。该合金采用了PB‑g‑MSG核壳粒子改性剂。以聚丁二烯为核，以甲基丙烯酸甲酯‑苯乙烯‑甲基丙烯酸环氧丙酯共聚物为壳的核壳粒子PB‑g‑MSG增韧PBT/PC，通过改变分子量调节TDDM用量调控核壳粒子中聚丁二烯的玻璃化温度和接枝度，从而实现PB‑g‑MSG对PBT/PC的有效增韧。随着TDDM 含量增加，聚丁二烯相玻璃化转变温度降低，提升了核壳粒子的增韧能力。同时体系中刚性游离的甲基丙烯酸甲酯‑苯乙烯‑甲基丙烯酸环氧丙酯共聚物（f‑MSG）含量增加，PBT与f‑MSG共聚物发生反应，提升了共混物的强度。共混物的缺口冲击强度达到904J/m，拉伸强度为49.4MPa，实现了高强度、高韧性。

Graft Copolymer, Method For Preparing The Same And Thermoplastic Resin Composition Containing The Same

본 발명은 그라프트 공중합체, 그의 제조방법 및 이를 포함하는 열가소성 수지 조성물에 관한 것으로서, 보다 상세하게는 굴절율이 적어도 1.5 인 중합체 라텍스 제조 시 양이온계 유화제를 투여하여 평균 입경이 150 내지 300 ㎚인 하드한 폴리머 시드를 제조하는 단계, 상기 중합체 라텍스 시드에 알킬 아크릴레이트 단량체 혼합물을 공중합하여 평균 입경이 300 내지 600 nm인 복합 고무 중합체 코어를 제조하는 단계, 상기 코어 존재 하에 그라프트 쉘 층을 형성하는 단계를 포함하는 것을 특징으로 하는 그라프트 공중합체의 제조방법 및 이를 포함하는 열가소성 수지 조성물에 관한 것이다. 본 발명에 따르면, 단시간에 대구경 고무 중합체 라텍스를 제조할 수 있다는 장점이 있으며, 본 발명의 그라프트 공중합체를 경질 매트릭스와 혼합 사용하면 내후성, 착색성 및 내충격성이 우수한 열가소성 수지 조성물을 제공하는 효과가 있다. The present invention relates to a graft copolymer, a method for preparing the same, and a thermoplastic resin composition including the same, and more particularly, a hard particle having an average particle diameter of 150 to 300 nm by administering a cationic emulsifier when preparing a polymer latex having a refractive index of at least 1.5. Preparing a polymer seed, copolymerizing an alkyl acrylate monomer mixture to the polymer latex seed to produce a composite rubber polymer core having an average particle diameter of 300 to 600 nm, and forming a graft shell layer in the presence of the core It relates to a method for producing a graft copolymer comprising a and a thermoplastic resin composition comprising the same. According to the present invention, there is an advantage in that a large diameter rubber polymer latex can be produced in a short time, and when the graft copolymer of the present invention is mixed with a hard matrix, the effect of providing a thermoplastic resin composition excellent in weatherability, colorability and impact resistance is provided. have. 알킬 아크릴레이트 고무, 방향족 비닐 화합물, 비닐시안 화합물, 양이온계 유화제, 내후성, 착색성, 내충격성, 열가소성 수지 조성물 Alkyl acrylate rubber, aromatic vinyl compound, vinyl cyan compound, cationic emulsifier, weather resistance, colorability, impact resistance, thermoplastic resin composition

Method for preparing graft copolymer complex, graft copolymer complex and thermoplastic resin composition comprising the graft copolymer complex

본 발명은 공액 디엔계 중합체, 방향족 비닐계 단량체 및 알킬 (메트)아크릴레이트계 단량체를 유화 중합하여 그래프트 공중합체 라텍스를 제조하는 단계; 및 상기 그래프트 공중합체 라텍스에 이미다졸계 이온성 화합물을 투입하고 응집하는 단계를 포함하는 그래프트 공중합체 복합체의 제조방법, 공중합체 복합체 및 이를 포함하는 열가소성 수지 조성물에 관한 것이다. The present invention comprises the steps of preparing a graft copolymer latex by emulsion polymerization of a conjugated diene-based polymer, an aromatic vinyl-based monomer, and an alkyl (meth)acrylate-based monomer; And it relates to a method for producing a graft copolymer composite, a copolymer composite, and a thermoplastic resin composition comprising the same, comprising the step of adding and agglomerating an imidazole-based ionic compound into the graft copolymer latex.

Prepare method, graft copolymer compound and the thermoplastic resin composition comprising it of graft copolymer compound

本发明涉及制备接枝共聚物复合物的方法、通过该方法制备的共聚物复合物、和包含该共聚物复合物的热塑性树脂组合物，其中该方法包括乳液聚合共轭二烯类聚合物、芳族乙烯基类单体和(甲基)丙烯酸烷基酯类单体以制备接枝共聚物胶乳；并向该接枝共聚物胶乳中添加咪唑类离子化合物并使其凝固。

Method for preparing graft copolymer

본 발명은 방향족 비닐계 단량체, 비닐 시안계 단량체 및 알킬 (메트)아크릴레이트로 이루어진 군에서 선택되는 1종 이상을 유화 중합하여 시드를 제조하는 단계; 상기 시드 및 알킬 (메트)아크릴레이트계 단량체를 유화 중합하여 코어를 제조하는 단계; 및 상기 코어, 방향족 비닐계 단량체 및 비닐 시안계 단량체를 유화 중합하여 쉘을 제조하는 단계를 포함하고, 상기 시드, 코어 및 쉘을 제조하는 단계로 이루어진 군에서 선택되는 하나 이상의 단계에서 상기 화학식 1로 표시되는 화합물을 포함하는 유화제를 투입하는 그라프트 공중합체의 제조방법에 관한 것이다. The present invention comprises the steps of preparing a seed by emulsion polymerization of at least one selected from the group consisting of an aromatic vinyl-based monomer, a vinyl cyan-based monomer, and an alkyl (meth)acrylate; Preparing a core by emulsion polymerization of the seed and an alkyl (meth)acrylate-based monomer; And preparing a shell by emulsion polymerization of the core, an aromatic vinyl-based monomer, and a vinyl cyan-based monomer, and in at least one step selected from the group consisting of preparing the seed, the core, and the shell as the formula (1). It relates to a method for producing a graft copolymer in which an emulsifier containing a compound to be displayed is added.

Core-shell copolymer, method for preparing the copolymer and resin composition comprising the copolymer

본 발명은 코어-쉘 공중합체에 관한 것으로, 보다 상세하게는 공액디엔계 단량체 유래 반복단위, 방향족 비닐 단량체 유래 반복단위 및 비스페놀 F계 단량체 유래 반복단위를 포함하는 코어; 및 상기 코어를 감싸며, 알킬 (메트)아크릴레이트 단량체 유래 반복단위 및 방향족 비닐 단량체 유래 반복단위를 포함하는 쉘을 포함하고, 상기 비스페놀 F계 단량체 유래 반복단위의 함량은, 상기 코어에 포함되는 단량체 유래 반복단위 전체 함량에 대하여, 0 중량% 초과 내지 10 중량% 미만인 코어-쉘 공중합체, 이의 제조방법 및 이를 포함하는 수지 조성물을 제공한다. The present invention relates to a core-shell copolymer, and more particularly, to a core comprising a repeating unit derived from a conjugated diene-based monomer, a repeating unit derived from an aromatic vinyl monomer, and a repeating unit derived from a bisphenol F-based monomer; and a shell surrounding the core and including a repeating unit derived from an alkyl (meth)acrylate monomer and a repeating unit derived from an aromatic vinyl monomer, wherein the content of the repeating unit derived from the bisphenol F-based monomer is derived from the monomer included in the core. Based on the total content of the repeating unit, it provides a core-shell copolymer in an amount of more than 0 wt% to less than 10 wt%, a method for preparing the same, and a resin composition comprising the same.

Rubber reinforced thermoplastic transparent resin composition and thermoplastic high transparent resin

본 발명은 고무강화 열가소성 투명 수지 조성물 및 열가소성 고투명 수지에 관한 것으로, 구체적으로는 수지 조성물 내 포함되는 그라프트 공중합체 내 고무 함량을 강화하고도 아크릴계 공중합체와 혼련시 광확산도(Haze value), 광투과율(light transmittance), 황변지수(Yellow Index)를 개선시키고, 개선된 저온백화성까지 제공할 수 있다. 특히 본 발명에 따른 고무강화 열가소성 투명 수지 조성물 및 열가소성 고투명 수지는 제품의 고무함량과 관계없이 투명도가 매우 우수하여 Haze 값이 1.0 이하이고 황변지수가 개선되어 자연 색상에 가까운 열가소성 고투명 수지를 제공할 수 있다. The present invention relates to a rubber-reinforced thermoplastic transparent resin composition and a thermoplastic high-transparency resin. More specifically, the present invention relates to a rubber-reinforced thermoplastic transparent resin composition and a thermoplastic high-transparency resin which are excellent in the rubber content in the graft copolymer contained in the resin composition, Light transmittance, yellow index, and even improved low temperature whiteness. In particular, the rubber-reinforced thermoplastic transparent resin composition and the thermoplastic high-transparency resin according to the present invention are excellent in transparency regardless of the rubber content of the product, and can provide a thermoplastic high transparency resin having a Haze value of 1.0 or less and a yellowing index improved, have.

Photo scattering polymer composition with advanced physical properties

본 발명은 공액디엔 고무 수지를 매트릭스 수지로 포함하는 광확산성 수지 조성물에 관한 것이다. 상기 공액디엔 고무 수지에는 메타크릴산 알킬에스테르 화합물 또는 아크릴산 알킬에스테르 화합물, 방향족비닐 화합물 및 비닐시안 화합물의 단량체 혼합물 또는 그들의 공중합체가 그라프트 중합될 수 있다. The present invention relates to a light diffusing resin composition comprising a conjugated diene rubber resin as a matrix resin. In the conjugated diene rubber resin, a monomer mixture of a methacrylic acid alkyl ester compound or an acrylic acid alkyl ester compound, an aromatic vinyl compound and a vinyl cyan compound or a copolymer thereof may be graft polymerized. 본 발명의 광확산성 수지 조성물은 내충격성 및 가공성 등 기계적 물성이 우수하다. The light diffusing resin composition of the present invention is excellent in mechanical properties such as impact resistance and workability. 광확산성, 공액디엔 고무 수지, 그라프트 중합 Light Diffusion, Conjugated Diene Rubber Resin, Graft Polymerization

Methylmethacrylate-Butadiene-Styrene copolymer and method for good powder property preparing the same

본 발명은 메틸메타크릴레이트-부타디엔-스티렌 공중합체 조성물 및 그의 제조방법에 관한 것으로, 특히 변성 디메틸실리콘을 함유하여 제조되어 내충격성, 투명성 및 내백화성이 조화되고 분체특성이 개선된 염화비닐수지(PVC)의 충격보강제로 사용될 수 있는 메틸메타크릴레이트-부타디엔-스티렌 공중합체 조성물 및 그의 제조방법을 제공한다.

Thermoplastic transparent resin composition and preparation method thereof

본 발명은 투명성이 우수한 열가소성 투명 수지 제조 방법에 관한 것으로서, 평균 입경이 600-1500 Å이고 겔 함량이 70-95 %이며 팽윤지수가 12-30인 소구경 폴리부타디엔 고무 라텍스 및 평균 입경이 2600-5000 Å이고 겔 함량이 70-95 %이며 팽윤지수가 12-30인 대구경 폴리부타디엔 고무 라텍스에 메타크릴산 또는 아크릴산 알킬에스테르 화합물, 방향족비닐 화합물 및 비닐시안 화합물인 단량체를 그라프트 중합시켜 제조된 열가소성 수지는 소구경 및 대구경 폴리부타디엔 고무 라텍스 혼합물을 사용하고, 도입되는 각 성분들의 함량을 조절하여 폴리부타디엔의 굴절률과 여기에 그라프팅 되는 메타크릴산 또는 아크릴산 알킬에스테르, 방향족비닐, 비닐시안 혼합물의 굴절률을 최적화 하여 내충격성, 내약품성, 가공성 등이 우수하고 투명성이 극히 우수하다.

Methyl methacrylate-butadiene-styrene impact reinforcing agent comprising alkoxy silane compound, preparation method thereof and thermoplastic resin comprising the same

본 발명은 부타디엔계 라텍스 중합체 코어; 및 알킬 메타크릴레이트계 단량체, 스티렌계 단량체 및 알콕시 실란 화합물을 포함하는 쉘로 구성되는, 코어-쉘 구조의 메틸메타크릴레이트-부타디엔-스티렌계 충격보강제, 이의 제조방법 및 이를 포함하는 열가소성 수지에 관한 것이다. 이에 따른, 코어-쉘 구조의 메틸메타크릴레이트-부타디엔-스티렌계 충격보강제는 쉘에 포함된 알콕시 실란에 의하여 폴리실록산이 형성됨으로써 실리콘 고무로 작용하여 코어인 부타디엔의 활성을 높일 뿐 아니라, 저온 충격 강도를 향상시키는 효과가 있다. 따라서, 본 발명의 알콕시 실란을 포함하는 코어-쉘 구조의 메틸메타크릴레이트-부타디엔-스티렌계 충격보강제를 포함하는 열가소성 수지는 습열 및 저온에서도 우수한 내충격성을 가질 수 있다. The present invention relates to a butadiene-based latex polymer core; And a shell comprising an alkyl methacrylate monomer, a styrene monomer and an alkoxysilane compound, a process for producing the same, and a thermoplastic resin containing the same will be. Accordingly, the methyl methacrylate-butadiene-styrene type impact modifier having the core-shell structure is formed by the polysiloxane formed by the alkoxysilane contained in the shell, thereby acting as a silicone rubber to increase the activity of the core-butadiene, . ≪ / RTI > Accordingly, the thermoplastic resin including the methyl methacrylate-butadiene-styrene type impact modifier having the core-shell structure including the alkoxysilane of the present invention can have excellent impact resistance even under humid heat and low temperature.

MBS based impact modifier, preparation method thereof, and polycarbonate resin composition comprising the same

본 발명은 MBS계 충격 보강제, 이의 제조방법 및 이를 포함하는 폴리카보네이트 조성물에 관한 것으로, 더욱 상세하게는 대구경의 MBS계 나노 입자에 소구경의 아크릴레이트계 가교 나노 입자를 혼합 사용한 MBS계 충격 보강제를 제조하고, 이를 폴리카보네이트계 수지에 적용할 경우 저온 및 상온 모두에서 우수한 내충격성을 갖는 MBS계 충격 보강제, 이의 제조방법 및 이를 포함하는 폴리카보네이트 조성물에 관한 것이다. The present invention relates to an MBS-based impact modifier, a method for manufacturing the same, and a polycarbonate composition comprising the same, and more specifically, an MBS-based impact modifier using a large-diameter MBS-based nanoparticle mixed with a small-diameter acrylate-based crosslinked nanoparticle. When manufacturing and applying it to a polycarbonate-based resin, it relates to an MBS-based impact modifier having excellent impact resistance at both low and normal temperatures, a method for manufacturing the same, and a polycarbonate composition comprising the same.

Diene based rubber latex, preparation method thereof and core-shell structured graft copolymer comprising the same

본 발명은 고분자 응집체를 포함하는 초대구경의 디엔계 고무 라텍스, 이의제조방법 및 이를 포함하는 충격강도 및 표면특성이 우수한 코어-쉘 구조의 그라프트 공중합체에 관한 것으로, 불포화 카르복실산 또는 이의 에스테르 단량체 유래 단위 및 관능기를 갖는 공단량체 유래 단위를 포함하고, 평균입경이 230 nm 내지 300 nm인 고분자 응집체에 의해 비대화된, 평균입경이 600 nm 내지 800 nm인 디엔계 고무 라텍스를 제공한다.

MBS based impact modifier, preparation method thereof, and polylactic acid composition comprising the same

본 발명은 MBS계 충격 보강제, 이의 제조방법 및 이를 포함하는 폴리유산 수지 조성물에 관한 것으로, 더욱 상세하게는 최외각 쉘을 비닐 알콕시 실란 화합물로 그라프트 중합한 MBS계 충격 보강제 및 이의 제조방법과 이를 포함하여 내충격성이 향상된 폴리유산 수지 조성물에 관한 것이다. The present invention relates to an MBS-based impact modifier, a method for manufacturing the same, and a polylactic acid resin composition comprising the same, more specifically, an MBS-based impact modifier obtained by graft polymerization of the outermost shell with a vinyl alkoxy silane compound, and a method for manufacturing the same It relates to a polylactic acid resin composition containing improved impact resistance.

Rubber-Reinforced Resin, Anti-Static Resin Composition, Molded Article and Laminate

본 발명의 목적은, 성형체로 만든 경우에, 피접촉물 및 그 주변 설비의 오염을 억제할 수 있고, 내충격성 및 투명성이 우수한 고무 강화 수지, 및 내충격성 및 제전성이 우수한 제전성 수지 조성물을 제공하는 것이다. 본 발명의 고무 강화 수지는, 소정의 부피 평균 입경을 갖는 고무질 중합체의 존재하에, 메타크릴산메틸, 방향족 비닐 화합물 및 시안화비닐 화합물을 포함하는 단량체 성분 20 내지 95 질량부를 중합하여 얻어진 고무 강화 공중합 수지, 또는 이 고무 강화 공중합 수지와 상기 단량체 성분의 공중합체를 포함하는 혼합물로 이루어진다. 또한, 본 발명의 제전성 수지 조성물은 상기 고무 강화 수지와 고분자형 대전 방지제를 함유하고, 고무질 중합체의 함유량이 5 내지 40 질량％이다. 또한, 본 발명의 고무 강화 수지 및 제전성 수지 조성물은, 열 분해 GC 측정을 행하였을 때, 체류 시간 10 내지 24 분의 검출 물질 총량이 측정 시료 1 g에 대하여 20,000 μg이하이다. SUMMARY OF THE INVENTION An object of the present invention is to provide a rubber-reinforced resin excellent in impact resistance and transparency, and an antistatic resin composition excellent in impact resistance and antistatic property, when it is made of a molded body, which can suppress contamination of the contacted object and its surrounding equipment. To provide. The rubber reinforced resin of this invention is a rubber reinforced copolymer resin obtained by superposing | polymerizing 20-95 mass parts of monomer components containing methyl methacrylate, an aromatic vinyl compound, and a vinyl cyanide compound in presence of the rubbery polymer which has a predetermined | prescribed volume average particle diameter. Or a mixture containing a copolymer of the rubber reinforced copolymer resin and the monomer component. Moreover, the antistatic resin composition of this invention contains the said rubber reinforced resin and a polymeric antistatic agent, and content of a rubbery polymer is 5-40 mass%. In the rubber-reinforced resin and antistatic resin composition of the present invention, when the thermal decomposition GC measurement is performed, the total amount of the detection substance having a residence time of 10 to 24 minutes is 20,000 μg or less with respect to 1 g of the measurement sample. 고무 강화 수지, 제전성 수지 조성물, 고분자형 대전 방지제 Rubber reinforced resin, antistatic resin composition, polymer type antistatic agent

Method for producing acrylonitrile-butadiene-styrene latex having high total solid content

【課題】本発明は、アクリロニトリル−ブタジエン−スチレン（ＡＢＳ）ラテックスの製造方法に関し、特に、ブタジエンゴムにアクリロニトリル及びスチレンの単量体を乳化重合でグラフト重合させるアクリロニトリル−ブタジエン−スチレンラテックスの製造方法において、総固形分含量の高いラテックスを製造する方法を提供する。 【解決手段】本発明のアクリロニトリル−ブタジエン−スチレンゴムラテックスは、ｉ）ポリブタジエンゴムラテックス、ｉｉ）芳香族ビニル化合物、及びｉｉｉ）ビニルシアン化合物に、反応型乳化剤を添加して乳化重合する段階を含む。 本発明の製造方法によれば、従来のグラフト重合中に発生する凝固物や表面のフィルム生成物を減らし、生産量を増大させるので、総固形分含量の高いアクリロニトリル−ブタジエン−スチレンラテックスを提供することができる。

MBS based impact modifier, method for preparing them, and PVC composition

본 발명은 MBS계 충격보강제, 그 제조방법 및 염화비닐수지 조성물에 관한 것으로, 본 발명에 따르면, 종래 응집 중에 사용하는 경질 중합체 대신 가교 나노입자를 더 많이 투입함으로써 응집시 염화비닐수지의 벌크 밀도, 유동성, 케이킹 특성을 물성 저하 없이 기존 MBS 대비 개선시키고, 내충격성 등을 향상시킬 수 있는 MBS계 충격보강제와 그 제조방법, 이를 포함하고 충격강도 및 가공성 등이 뛰어난 염화비닐수지 조성물을 제공하는 효과가 있다.

Photo scattering polymer composition with advanced physical properties

본 발명은 공액디엔 고무 수지를 매트릭스 수지로 포함하는 광확산성 수지 조성물에 관한 것이다. 상기 공액디엔 고무 수지에는 메타크릴산 알킬에스테르 화합물 또는 아크릴산 알킬에스테르 화합물, 방향족비닐 화합물 및 비닐시안 화합물의 단량체 혼합물 또는 그들의 공중합체가 그라프트 중합될 수 있다. 본 발명의 광확산성 수지 조성물은 내충격성 및 가공성 등 기계적 물성이 우수하다. 광확산성, 공액디엔 고무 수지, 그라프트 중합

Acrylate-conjugated diene-aromatic vinyl-based copolymer and poly(lactic acid) resin composition comprising the same

본 발명은 충격보강제로서 기능할 수 있는 코어-쉘 구조의 아크릴레이트-공액디엔-방향족비닐계 공중합체의 합성을 위한 그라프트 공중합 단계에서 폴리에틸렌글리콜계 단량체를 포함시키는 것에 의하여 가교 역할을 하면서, 충격보강제로서의 아크릴레이트-공액디엔-방향족비닐계 공중합체의 크기 증대와 함께 아크릴레이트-공액디엔-방향족비닐계 공중합체와 폴리유산 수지 간의 상용성을 증대시키고 그에 의하여 폴리유산 수지 중에서의 충격보강제의 분산 효과를 크게 하여 폴리유산 수지의 단점인 취성(brittleness)을 현저히 개선시킬 수 있는 아크릴레이트-공액디엔-방향족비닐계 공중합체 및 이를 포함하는 폴리유산 수지 조성물에 관한 것으로서, 상기 폴리유산 수지 조성물은 아크릴레이트-공액디엔-방향족비닐계 공중합체 10 내지 30중량% 및 폴리유산 수지 70 내지 90중량%를 포함하며, 여기에서 상기 아크릴레이트-공액디엔-방향족비닐계 공중합체는 (1) 공액디엔계 고무 중합체 코어; 및 (2) 상기 공액디엔계 고무 중합체 코어에 (메트)아크릴산 알킬 에스테르 단량체 및 폴리에틸렌글리콜계 단량체를 그라프트 공중합시켜서 수득되는 쉘;을 포함하되, 상기 코어를 구성하는 내층 또는 상기 쉘을 구성하는 외곽층 중의 어느 하나 또는 내층과 외곽층 둘 다 하기 화학식 1로 표시된 유화제를 각각 포함하여 수득되는 것을 특징으로 한다: [화학식 1] 상기 식에서, R은 탄소수 12 내지 14의 알킬이고, n은 4 내지 8의 정수이고, m은 1 또는 2임. The present invention relates to a method for crosslinking an acrylate-conjugated diene-aromatic vinyl copolymer having a core-shell structure capable of functioning as an impact modifier by incorporating a polyethylene glycol monomer in a graft copolymerization step, It is possible to increase the compatibility of the acrylate-conjugated diene-aromatic vinyl copolymer and the poly (lactic acid) resin together with the increase of the size of the acrylate-conjugated diene-aromatic vinyl copolymer as the impact modifier, An aromatic vinyl copolymer and a poly (lactic acid) resin composition containing the same, which can remarkably improve brittleness, which is a disadvantage of a poly (lactic acid) resin, by increasing the dispersing effect, Wherein the acrylate-conjugated diene-aromatic vinyl copolymer comprises 10 to 30% by weight of an acrylate-conjugated diene-aromatic vinyl copolymer and 70 to 90% by weight of a polylactic acid resin, wherein the acrylate- A rubber polymer core; And (2) a shell obtained by graft copolymerizing a (meth) acrylic acid alkyl ester monomer and a polyethylene glycol monomer onto the conjugated diene rubber polymer core, wherein the inner layer constituting the core or the outline constituting the shell ...

Transparent Thermoplastic Resin Composition And Method For Preparing The Same

본 발명은 초기 색상 및 색상 안정성이 우수한 투명 열가소성 수지 조성물의 제조 방법에 관한 것으로, 보다 상세하게는 지방족 공액디엔계 고무 라텍스에 (메타)아크릴산 알킬에스테르 화합물, 방향족 비닐 화합물, 비닐 시안 화합물 등의 단량체로 구성된 단량체 혼합물을 그라프팅 공중합 시키는 유화 중합 후, 얻어지는 그라프트 공중합체 라텍스에 알칼리토 금속 류의 무기염을 첨가하여 응집한 후, 숙성 공정에 킬레이트제를 첨가하여 초기 색상 및 색상 안정성이 우수한 투명 열가소성 수지 조성물을 제조하는 방법에 관한 것이다. 본 발명에 따르면, 초기 색상 및 색상 안정성이 우수한 투명 열가소성 수지를 제공하는 효과가 있다. The present invention relates to a method for producing a transparent thermoplastic resin composition having excellent initial color and color stability, and more particularly, to monomers such as (meth) acrylic acid alkyl ester compounds, aromatic vinyl compounds, and vinyl cyan compounds in aliphatic conjugated diene rubber latexes. After the emulsion polymerization for grafting copolymerization of the monomer mixture consisting of, to the graft copolymer latex obtained by the addition of inorganic salts of alkaline earth metals to agglomerate, and after the chelating agent is added to the aging process by the transparent and excellent initial color and color stability A method for producing a thermoplastic resin composition. According to the present invention, there is an effect of providing a transparent thermoplastic resin excellent in the initial color and color stability. 색상 안정성, 초기 색상, 투명 열가소성 수지 조성물, 알칼리토 금속류, 무기염, 응집제, 킬레이트제, 알칼리 금속염. Color stability, initial color, transparent thermoplastic resin composition, alkaline earth metals, inorganic salts, flocculants, chelating agents, alkali metal salts.

Methylmethacrylate-Butadiene-Styrene copolymer and method for preparing the same

본 발명은 메틸메타크릴레이트-부타디엔-스티렌 공중합체 조성물 및 그의 제조방법에 관한 것으로, 더욱 상세하게는 선형 디메틸실리콘을 함유하여 제조함으로써 내충격성과 가공성이 우수한 염화비닐수지의 충격보강제로 사용될 수 있는 메틸메타크릴레이트-부타디엔-스티렌 공중합체 조성물 및 그의 제조방법을 제공하는 것에 관한 것이다. The present invention relates to a methyl methacrylate-butadiene-styrene copolymer composition and a method for preparing the same, and more particularly, methyl methyl acrylate-butadiene-styrene copolymer composition containing linear dimethylsilicone can be used as an impact modifier of vinyl chloride resin having excellent impact resistance and processability. The present invention relates to a methacrylate-butadiene-styrene copolymer composition and a method for preparing the same.

Polycarbonate resin composition and molded article using thereof

본 발명의 폴리카보네이트 수지 조성물은 (A) 폴리카보네이트 수지 100 중량부; (B) 평균입경이 70 nm 내지 130 nm인 코어-쉘 구조의 충격보강제 1 중량부 내지 5 중량부; 및 (C) 올레핀-(메타)아크릴레이트계 공중합체 0.1 중량부 내지 1 중량부;를 포함하고, 상기 (B) 코어-쉘 구조의 충격보강제의 쉘은 탄소수 1~6의 알킬(메타)아크릴레이트로부터 유도된 단위를 포함하고 상기 (B) 코어-쉘 구조의 충격보강제는 유니모달(unimodal) 입경분포를 갖는 것을 특징으로 한다.

MBS based graft copolymer, a method for preparing thereof, and thermoplastic resin composition using them

본 발명은 MBS계 그라프트 공중합체, 이의 제조방법 및 이를 이용한 열가소성 수지 조성물에 관한 것으로서, 보다 상세하게는 MBS계 그라프트 공중합체 내 총 비누(total soap) 종류 및 함량을 변경하여 내습열 조건에서도 내충격성이 저하되지 않는 열가소성 수지 조성물에 관한 것이다. 본 발명에 따르면, 내습열 조건에서도 내충격성이 저하되지 않는 열가소성 수지 조성물을 제공하는 효과가 있다. The present invention relates to a MBS-based graft copolymer, a process for producing the MBS-based graft copolymer, and a thermoplastic resin composition using the same. More particularly, the present invention relates to a MBS-based graft copolymer And the impact resistance of the thermoplastic resin composition is not deteriorated. According to the present invention, there is provided an effect of providing a thermoplastic resin composition which does not deteriorate impact resistance even under an anti-wet heat condition.

Transparent thermoplastic resin and method for producing same

本公开涉及一种透明热塑性树脂及其制备方法。更具体地，本公开提供一种透明热塑性树脂、透明热塑性树脂的制备方法等，所述透明热塑性树脂提供优异的透明度而不在表面上产生流痕，并且由于优异的耐白化性，特别是优异的低温耐白化性，在加工过程中不表现出裂纹或白化现象。

Resin composition exhibiting good heat resistance and electricla properties, and product using same

일 실시예에 따른 내열성 및 절연성이 우수한 수지 조성물은, (A) 폴리카보네이트 수지, (B) 비닐계 공중합체, (C) 불소화 폴리올레핀 및 (D) 화학식 1로 표시되는 인계 난연제를 포함할 수 있다. [화학식 1] (상기 식에서, 각각의 R 6 , R 7 , R 9 　및 R 10 　은 각각 독립적으로 C6 내지 C20인 아릴기 또는 알킬치환 아릴기이고, R 8 은 바이페놀(biphenol) 이며, n은 1 내지 5의 정수임) The resin composition having excellent heat resistance and insulation according to an embodiment may include (A) a polycarbonate resin, (B) a vinyl copolymer, (C) a fluorinated polyolefin, and (D) a phosphorous flame retardant represented by Chemical Formula 1. . [Formula 1] (Wherein Each of R 6 , R 7 , R 9 and R 10 is independently an aryl group or an alkylsubstituted aryl group which is C6 to C20, R 8 is biphenol, n is an integer from 1 to 5)

Method of preparing thermerplastic buffer resin

The thermoplastics are prepd. to improve impact resistance of polyalefin, acrylic resin, polystyrene and polyester. Thus water, emulsifier and monomer are polymerized with initiator and inhibitor at 50-60≰C to give 0.1-0.5 μm rubber latex. The latex is polymerized again with preemulsion prepd. by water, reduction agent, emulsifier, monomer, crosslinking agent, grafting agent, inhibitor and initiator. The monomer is one or more of diene, acrylate and aromatic vinyl.

Manufacturing method of styrene-butadiene latex for very early strength modified concrete

본 발명은 초속경 개질 콘크리트 제조용 스티렌-부타디엔 공중합체 라텍스의 제조방법에 관한 것으로서, 더욱 상세하게는 초기중합단계와 증식중합단계로 연속적으로 단량체를 투입하되, 산 모노머와 소포제를 도입하여 콘크리트의 작업성, 강도 및 내구성을 향상시킬 수 있는 콘크리트 제조용 스티렌-부타디엔 공중합체 라텍스의 제조방법에 관한 것이다. 본 발명에 따라 중합체 미셀을 형성시키는 초기중합단계를 거쳐 일정 전환율에 도달하면 연속으로 단량체를 투입하며 일정 전환율에서 일정온도로 승온하는 방법을 통해 얻어진 스티렌-부타디엔 공중합체 라텍스를 라텍스 개질 콘크리트 제조에 사용할 경우, 강도 특성과 슬럼프, 공기량 등의 물성이 현저하게 향상된 라텍스 개질 콘크리트를 제조할 수 있다. 스티렌-부타디엔, 라텍스, 콘크리트, 강도

Preparation of impact modifier with improved flammability

Provided are a process for making a polymer composition comprising (i) providing a multistage polymer latex by emulsion polymerization in the presence of at least one organo-phosphorus soap, wherein providing the multistage polymer comprises (a) providing a first stage polymer, wherein the first stage polymer comprises polymerized units derived from at least one organo-phosphorus monomers, and (b) providing a final stage polymer, and (ii) isolating the multistage polymer by spray drying or coagulation with one or more divalent cations. Also provided is a process for making a matrix resin composition comprising mixing multistage polymer compositions and a matrix resin.

Graft copolymer having excellent transparency and impact strength

본 발명은 (A) 공액디엔계 고무 코어 10 내지 40중량%, (B) 상기 고무 코어를 감싸고, 메타크릴레이트계 단량체와 폴리알킬렌글리콜계 비닐 단량체를 포함하여 형성된 1차 그라프트 쉘 30 내지 60중량% 및 (C) 방향족 비닐 단량체를 포함하여 형성된 2차 그라프트 쉘 20 내지 50중량%를 포함하여 유화중합으로 제조된 코어-쉘 구조의 그라프트 공중합체에 관한 것으로서, 상기 그라프트 공중합체는 캘린더링(calendaring)이나 T-다이(T-die) 압출 등을 통해 투명하고 내충격 강도가 우수한 시트 또는 필름의 제조가 가능하다. The present invention relates to a rubber composition comprising (A) 10 to 40% by weight of a conjugated diene rubber core, (B) a primary graft shell 30 surrounding the rubber core and containing a methacrylate monomer and a polyalkylene glycol- The present invention relates to a graft copolymer of a core-shell structure prepared by emulsion polymerization, comprising 20 to 60% by weight of a graft copolymer and 20 to 50% by weight of a secondary graft shell formed of (A) an aromatic vinyl monomer, It is possible to produce a sheet or film which is transparent and excellent in impact strength through calendaring or T-die extrusion.

Process for producing an elastomer agglomeration composition

本发明涉及一种生产弹性体附聚组合物的方法，所述方法包括以下步骤：(a)提供包含于水中的弹性颗粒的浆料，其中所述浆料具有40至80℃的温度，其中所述弹性颗粒选自由聚丁二烯颗粒、包含至少50重量％的衍生自丁二烯的单元的聚(苯乙烯丁二烯)颗粒、聚(丙烯腈丁二烯)颗粒和聚丙烯酸丁酯颗粒以及它们的组合组成的组，和其中所述浆料基本上不含化学附聚剂，优选所述化学附聚剂的量相对于所述浆料中的固体含量和任何化学附聚剂的总数计小于0.01重量％；和(b)迫使所述浆料经过孔以获得所述弹性体附聚组合物。

Impact strength modifier, thermoplastic resin composition, molded article, and method for producing graft copolymer

부타디엔 단위를 주성분으로 하는 중합체와 스티렌 단위를 주성분으로 하는 중합체를 함유하는 중합체 혼합물의 존재 하에, 비닐 단량체 성분을 중합해서 얻어지는 그래프트 공중합체로서, 상기 중합체 혼합물 중의 부타디엔 단위의 함유율이 45～65질량%이고, 스티렌 단위의 함유율이 35～55질량%인 그래프트 공중합체로 이루어지는 내충격성 향상제를 열가소성 수지에 배합하여, 저온에서의 내충격성이 우수하고, 또한 높은 투명성을 유지하는 열가소성 수지 조성물을 제조한다. Graft copolymer obtained by superposing | polymerizing a vinyl monomer component in presence of the polymer mixture containing the polymer which has a butadiene unit as a main component, and the polymer which has a styrene unit as a main component, The content rate of the butadiene unit in the said polymer mixture is 45-65 mass%. The impact resistance improver which consists of a graft copolymer whose styrene unit content is 35-55 mass% is mix | blended with a thermoplastic resin, and the thermoplastic resin composition which is excellent in impact resistance at low temperature and maintains high transparency is manufactured. 그래프트 공중합체, 부타디엔, 스티렌, 내충격성 향상제, 열가소성 수지 Graft copolymer, butadiene, styrene, impact resistance improver, thermoplastic

Dental composition, prosthesis, and method for making dental prosthesis

A dental prosthesis includes polymeric material formed by heat curing a polymerizable composition having at least 5 percent by weight of at least one polymerizable Monomer having at least one acrylic moiety and a gram molecular weight of at least 200. The polymeric material is preferably formed by heat curing and has an unnotched Izod impact strength of at least 2.5 and more preferably at least 3.0 ft.lb/in as measured by a Modified ASTM D256, and a flexural fatigue life of at least 20,000 flexes to failure at 0.1 inch deflection. Preferably the polymerizable monomer has a vapor pressure less than 5 mm Hg at 23° C. A method of making a denture is provided which includes molding and polymerizing the polymerizable composition to form a denture. Preferably the polymerizable composition includes polymerizable compounds made up of at least 5 percent by weight of the acrylic Monomer having a gram molecular weight of at least 300 and less than 5 percent by weight of Volatile compounds and less than 2 percent by weight of Low Molecular Weight acrylic compounds having a gram molecular weight of less than 200.

Thermoplastic resin composition

본 발명은 A-1) 제1 공액 디엔계 중합체, 알킬 (메트)아크릴레이트계 단량체 단위 및 방향족 비닐계 단량체 단위를 포함하고, 상기 제1 공액 디엔계 중합체는 평균입경이 0.05 내지 0.2 ㎛인 제1 공중합체; A-2) 제2 공액 디엔계 중합체, 알킬 (메트)아크릴레이트계 단량체 단위 및 방향족 비닐계 단량체 단위를 포함하고, 상기 제2 공액 디엔계 중합체는 평균입경이 0.23 내지 0.5 ㎛인 제2 공중합체; B) 알킬 (메트)아크릴레이트계 단량체 단위 및 방향족 비닐계 단량체 단위를 포함하는 제3 공중합체; 및 C) 점도가 700 내지 10,000 cP인 가소제를 포함하고, 상기 가소제를 0.3 내지 5 중량%로 포함하는 열가소성 수지 조성물에 관한 것으로서, 투명성, 내충격성 및 유동성이 모두 우수한 열가소성 수지 조성물에 관한 것이다. The present invention provides A-1) a first conjugated diene-based polymer, comprising an alkyl (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit, wherein the first conjugated diene-based polymer has an average particle diameter of 0.05 to 0.2 μm. 1 copolymer; A-2) a second copolymer comprising a second conjugated diene-based polymer, an alkyl (meth)acrylate-based monomer unit, and an aromatic vinyl-based monomer unit, wherein the second conjugated diene-based polymer has an average particle diameter of 0.23 to 0.5 μm ; B) a third copolymer comprising an alkyl (meth)acrylate-based monomer unit and an aromatic vinyl-based monomer unit; and C) a plasticizer having a viscosity of 700 to 10,000 cP, and relates to a thermoplastic resin composition comprising 0.3 to 5% by weight of the plasticizer, and relates to a thermoplastic resin composition excellent in transparency, impact resistance and fluidity.

Composition comprising a compound comprising two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and an article comprising it

Composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples et un polymère thermoplastique, son procédé de préparation, son utilisation et article la comprenant La présente invention concerne une composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples et un polymère thermoplastique, son procédé de préparation et son utilisation. En particulier, la présente invention concerne une composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples sous forme de particules polymères formées par un procédé en plusieurs étapes et un polymère (méth)acrylique. Plus particulièrement, la présente invention concerne une composition de polymères comprenant un composé renfermant deux groupes polymérisables, des particules polymères formées par un procédé en plusieurs étapes comprenant au moins deux étages et un polymère (méth)acrylique, son procédé de préparation, son utilisation pour la formation de compositions de polymères modifiées en ce qui concerne la résistance au choc, comprenant des résines thermodurcissables, et des compositions et articles la comprenant. Composition comprising a compound containing two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and an article comprising it The present invention relates to a composition comprising a compound containing two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation and its use. In particular, the present invention relates to a composition comprising a compound containing two polymerizable groups, a multistage polymer in the form of polymer particles formed by a multistage process and a (meth)acrylic polymer. More particularly, the present invention relates to a polymer composition comprising a compound containing two polymerizable groups, polymer particles formed by a multi-step process ...

Light diffusing resin composition with excellent mechanical properties

COMPOSITION FOR REALIZING A PIECE BY MACHINING, METHOD OF IMPLEMENTATION AND PRODUCT OBTAINED

A composition comprising a compound having two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and article comprising the same

Composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples et un polymère thermoplastique, son procédé de préparation, son utilisation et article la comprenant La présente invention concerne une composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples et un polymère thermoplastique, son procédé de préparation et son utilisation. En particulier, la présente invention concerne une composition comprenant un composé renfermant deux groupes polymérisables, un polymère à étages multiples sous forme de particules polymères formées par un procédé en plusieurs étapes et un polymère (méth)acrylique. Plus particulièrement, la présente invention concerne une composition de polymères comprenant un composé renfermant deux groupes polymérisables, des particules polymères formées par un procédé en plusieurs étapes comprenant au moins deux étages et un polymère (méth)acrylique, son procédé de préparation, son utilisation pour la formation de compositions de polymères modifiées en ce qui concerne la résistance au choc, comprenant des résines thermodurcissables, et des compositions et articles la comprenant. Composition comprising a compound containing two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation, its use and an article comprising it The present invention relates to a composition comprising a compound containing two polymerizable groups, a multistage polymer and a thermoplastic polymer, its method of preparation and its use. In particular, the present invention relates to a composition comprising a compound containing two polymerizable groups, a multistage polymer in the form of polymer particles formed by a multistage process and a (meth)acrylic polymer. More particularly, the present invention relates to a polymer composition comprising a compound containing two polymerizable groups, polymer particles formed by a multi-step process ...

COMPOSITION FOR REALIZING A PIECE BY MACHINING, METHOD OF IMPLEMENTATION AND PRODUCT OBTAINED

L'objet de l'invention est une composition thixotrope destinée à la fabrication d'un modèle, d'un maître modèle ou d'un moule par usinage, comprenant au moins une résine photopolymère et un photo-initiateur. L'invention vise également l'utilisation de cette composition et un procédé de fabrication d'une pièce par usinage mettant en oeuvre cette composition. The subject of the invention is a thixotropic composition intended for the manufacture of a model, a master model or a mold by machining, comprising at least one photopolymer resin and a photoinitiator. The invention also relates to the use of this composition and a method for manufacturing a workpiece by machining using this composition.

Graft copolymer, the thermoplastic resin composition comprising graft copolymer and thermoplastic resin composition preparation method

本发明涉及一种接枝共聚物、包含该接枝共聚物的热塑性树脂组合物以及所述热塑性树脂组合物的制备方法。更具体地，本发明提供一种具有其中在特定含量范围内分散有用特定化合物改性的二氧化硅的壳的接枝共聚物、包含该接枝共聚物的热塑性树脂组合物以及所述热塑性树脂组合物的制备方法。在根据本发明的接枝共聚物中，由于用特定化合物改性的二氧化硅分散在橡胶粒子的周围，即，在接枝共聚物的壳中，因此，可以提高接枝共聚物的分散性。因此，所述接枝共聚物可以具有与常规接枝共聚物相同或更好的透明度。此外，与具有相等的橡胶含量的树脂组合物相比，本发明的热塑性树脂组合物可以具有优异的物理性能如冲击强度和拉伸强度。

Polyester resin composition

Thermoplastic resin composition, method of producing thermoplastic resin composition, molded article and method of producing molded article

耐衝撃性に優れながら、特に高度な透明性、良好な色調を兼ね備えた熱可塑性樹脂組成物を提供する。本発明は、屈折率が１．５１０以上１．５２０以下のゴム質重合体（ｒ）存在下において、少なくとも、芳香族ビニル系単量体（ａ１）と、（メタ）アクリル酸エステル系単量体（ａ２）とを含み、シアン化ビニル系単量体（ａ３）を実質的に含有しない単量体混合物（ａ）を、グラフト共重合して得られたグラフト共重合体（Ａ）と、ビニル系共重合体（Ｂ）と、を有する熱可塑性樹脂組成物であって、熱可塑性樹脂組成物のアセトン不溶分（Ｃ）が、シアン化ビニル系単量体由来単位を実質的に含有せず、熱可塑性樹脂組成物のアセトン可溶分（Ｄ）が、シアン化ビニル系単量体由来単位を含み、かつ、シアン化ビニル系単量体由来単位の含有量が、アセトン可溶分（Ｄ）１００質量％に対し、２質量％以上２０質量％以下であることを特徴とする。 Provided is a thermoplastic resin composition having excellent impact resistance, in particular, high transparency and good color tone. In the present invention, in the presence of a rubbery polymer (r) having a refractive index of 1.510 or more and 1.520 or less, at least an aromatic vinyl monomer (a1) and (meth) acrylic acid ester unit amount A graft copolymer (A) obtained by graft copolymerization of a monomer mixture (a) containing a body (a2) and substantially free of a vinyl cyanide monomer (a3), It is a thermoplastic resin composition which has a vinyl-type copolymer (B), Comprising: The acetone insoluble part (C) of a thermoplastic resin composition substantially contains a cyanide-type monomer origin unit. In addition, the acetone soluble matter (D) of the thermoplastic resin composition contains a vinyl cyanide monomer-derived unit, and the content of the vinyl cyanide monomer-derived unit is acetone soluble matter ( D) 2% by mass or more and 20% by mass or less with respect to 100% by mass And butterflies.

Method for producing graft copolymer composite, graft copolymer composite, and thermoplastic resin composition including same

Easily processed, opaque and high impact methyl methacrylate-butadiene-styrene polymer for polyvinyl chloride and preparation processes for it

Die vorliegende Erfindung offenbart ein leicht zu verarbeitendes, lichtundurchlässiges und hochschlagzähes Methylmethacrylat-Butadien-Styrol-Polymer (MBS-Polymer) für Polyvinylchlorid (PVC) und ein Zubereitungsverfahren dafür und bezieht sich auf das technische Gebiet der Zubereitung von PVC-Additiven. Das leicht zu verarbeitende, lichtundurchlässige und hochschlagzähe MBS für PVC weist eine Innenkern-Außenkern-Schale-Struktur (Dreischichtenstruktur) auf und enthält die folgenden Bestandteile nach Massenanteil: 1 bis 20 % Innenkern, 70 bis 85 % Außenkern und 5 bis 20 % Schale. Der Innenkern ist ein halbhartes, leicht vernetztes Copolymer aus einem Styrolmonomer (St-Monomer) und einem Acrylatmonomer. Der Außenkern ist ein weiches, leicht vernetztes Butadien-St-Polymer (BD-St-Polymer) mit einer niedrigen Glasübergangstemperatur. Die Schale ist ein Copolymer von St, Butylacrylat und Methylmethacrylat (MMA) mit einer hohen Glasübergangstemperatur. Die vorliegende Erfindung löst die Probleme niedriger Schlagzähigkeit und geringer Verarbeitungsfluidität des bestehenden MBS für lichtundurchlässige PVC-Produkte. The present invention discloses an easy-to-process, opaque and high-impact methyl methacrylate-butadiene-styrene polymer (MBS polymer) for polyvinyl chloride (PVC) and a preparation process therefor and relates to the technical field of the preparation of PVC additives. The easy to process, opaque and high impact resistant MBS for PVC has an inner core-outer core-shell structure (three-layer structure) and contains the following components according to mass fraction: 1 to 20% inner core, 70 to 85% outer core and 5 to 20% shell. The inner core is a semi-hard, slightly cross-linked copolymer made from a styrene monomer (St monomer) and an acrylate monomer. The outer core is a soft, slightly cross-linked Butadiene-St-Polymer (BD-St-Polymer) with a low glass transition temperature. The shell is a copolymer of St, butyl acrylate and methyl methacrylate (MMA) with a high ...

Resin composition and use for same

Patent TW197461B

Rubber graft copolymer, and thermoplastic resin composition containing rubber graft copolymer

The present invention relates to a thermoplastic resin composition comprising a rubber graft copolymer comprising a core layer containing a rubber copolymer and a shell layer grafted on the core layer and a thermoplastic resin comprising a polycarbonate resin and an aliphatic polyester resin in the mass ratio of the rubber graft copolymer/the thermoplastic resin of 3/100 or more, wherein the shell layer is obtained by polymerizing or copolymerizing a (meth)acrylate monomer having an epoxy group, and the amount of the (meth)acrylate monomer having an epoxy group is 3 parts by mass or more and less than 29 parts by mass based on 100 parts by mass of the rubber graft copolymer. The thermoplastic resin composition of the present invention can be utilized in various applications.

Acrylic-vinyl type modifying agent for thermoplastic polyurethane, a method of preparation thereof and a thermoplastic polyurethane including the modifying agent

본 발명은 열가소성 폴리우레탄의 아크릴-비닐계 개질제, 그 제조방법 및 그 개질제를 포함하는 열가소성 폴리우레탄에 관한 것으로서, 본 발명의 개질제는 아크릴레이트계 단량체, 비닐계 단량체 및 가교성 단량체를 함유하는 아크릴-비닐계 고무성 코어; 및 상기 코어를 둘러싸며, 아크릴레이트계 단량체, 비닐아로마틱계 단량체 및 비닐시아나드계 단량체를 함유하는 경성 쉘을 포함하여 이루어진다. 본 발명의 개질제는 종전에 폴리우레탄에 소량의 ABS 등의 충격보강제를 사용한 것에 비하여 열가소성 폴리우레탄의 점착성, 가공성, 내후성, 내열성 및 내수성을 개선하며 최대 30%까지 증량하는 효과가 있다. The present invention relates to an acrylic-vinyl modifier of a thermoplastic polyurethane, a method for producing the same, and a thermoplastic polyurethane including the modifier thereof, wherein the modifier of the present invention is an acrylic containing an acrylate monomer, a vinyl monomer, and a crosslinkable monomer. Vinyl-based rubbery cores; And a hard shell surrounding the core and containing an acrylate monomer, a vinyl aromatic monomer and a vinyl cyanide monomer. The modifier of the present invention improves the adhesiveness, processability, weather resistance, heat resistance and water resistance of the thermoplastic polyurethane, and has an effect of increasing the amount up to 30% as compared with the conventional use of a small amount of impact modifier such as ABS. 폴리우레탄, 아크릴-비닐계 개질제, 코어, 쉘, 표면경도, 투명도, 점착성, 가공성, 내후성, 내열성, 내수성 Polyurethane, Acrylic-Vinyl Modifier, Core, Shell, Surface Hardness, Transparency, Adhesiveness, Processability, Weather Resistance, Heat Resistance, Water Resistance

Thermoplastic compound for the production of impact-resistant molded bodies

Method and dispenser for making dental products

A method of forming dental products, such as dentures, denture relines, dental crowns, dental bridges and dental restorative materials, temporary crown, temporary bridge, provisional crown or provisional bridge, from two polymerizable paste compositions each having a complimentary component of a free radical catalyst system and a polymerizable acrylic compound. One of these paste compositions includes an oxidizing agent and a stabilizer and the other includes a reducing agent as components of a redox catalyst system for free radical polymerization. These paste compositions are mixed in a static mixer to form a polymerizing paste composition, which is then shaped into a dental prosthesis. A handheld mixing dispenser useful in carrying out this method, includes a static mixing conduit, and two containers enclosing the polymerizable paste compositions. The static mixing conduit encloses a static mixing member. The containers are adapted to be connected in fluid flow communication with the static mixing conduit. In the paste composition which includes the reducing agent a photoinitiator may be preferably included. Each container is sufficiently oxygen permeable to maintain inhibition of polymerization of the polymerizable paste composition therein for at least 12 months at 23°C.

Dental article molding method and apparatus

본 발명은 유리기 촉매 시스템 및 중합성 아크릴 콤파운드의 상보적 성분을 각각 가지는 두 중합성 페이스트 조성물들로부터 의치, 의치재이장재, 치관, 가공의치, 치과용 수복재, 임시치관, 임시가공의치, 가치관 또는 가가공의치와 같은 치과용품들을 성형하는 방법에 관한 것이다. 상기 페이스트 조성물들중의 하나는 산화제 및 안정화제를 포함하고, 다른 하나는 유리기 중합반응을 위한 레독스 촉매 시스템 성분으로서 환원제를 포함한다. 상기 페이스트 조성물들은 한 정적 혼합 믹서내에서 혼합되어 일단의 중합성 페이스트 조성물로 만들어진 후 목적하는 치과용품으로 성형된다. 이 발명은 또한 한 정적 혼합도관과 상기 중합성 페이스트 조성물들을 수용하는 두 콘테이너들을 포함하는, 상기 방법을 수행하기에 적합한 장치에 관한 것이다. 이 장치는 휴대사용이 가능한 규격으로 된다. 상기 정적 혼합도관내에는 정적 혼합요소가 설치된다. 상기 콘테이너들은 이 정적 혼합도관과 유체유통관계를 이루도록 연결설치된다. 환원제를 포함하는 페이스트 조성물내에는 광반응 개시제가 바람직하게 포함될 수 있다. 각 콘테이너는, 23℃에서 적어도 12달간 중합성 페이스트 조성물의 중합반응을 억제 유지할 수 있도록 충분한 산소투과성을 가진다.

Transparent thermoplastic resin composition and article molded thereof

本發明課題在於提供：耐衝擊性、流動性優異，兼具高度透明性、良好色調，且模具污染性良好的透明熱可塑性樹脂組成物；本發明的透明熱可塑性樹脂組成物，係相對於由接枝共聚合體(A)10~60質量份、與乙烯系共聚合體(B)40~90質量份構成的透明熱可塑性樹脂組成物100質量份，含有重量平均分子量達30萬以上的聚二甲基矽氧烷膠(C)15ppm以上且40ppm以下；其中，該接枝共聚合體(A)係在膠質聚合體(r)存在下，由至少含有芳香族乙烯系單體(a1)、及(甲基)丙烯酸酯系單體(a2)的單體混合物(a)進行接枝共聚合而獲得；該乙烯系共聚合體(B)係由至少含有芳香族乙烯系單體(b1)、(甲基)丙烯酸酯系單體(b2)、及氰化乙烯系單體(b3)的單體混合物(b)進行共聚合而成。