公开(公告)号：US4696973A

公开(公告)日：1987-09-29

申请号：US641989

申请日：1984-08-20

申请人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

发明人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

IPC分类号： C08L51/00 ,  C08L101/00 ,  C08L51/04

CPC分类号： C08L51/00 ,  C08L101/00

摘要： Am impact modifier comprising a blend of 100 parts by weight of a graft copolymer (A) obtained by graft-polymerizing in a single or more stages a monomer or monomer mixture consisting of 95 to 100% by weight of at least one monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, aromatic vinyl compounds and vinyl cyanide compounds and 0 to 5% by weight of a polyfunctional crosslinking agent on an acrylic elastomer mainly composed of an alkyl acrylate and containing 0.1 to 5% by weight of a polyfunctional crosslinking agent and/or a butadiene elastomer composed of a polybutadiene or a copolymer of 50% by weight or more of a butadiene and 50% by weight or less of other vinyl compound copolymerizable therewith and containing 0 to 5% by weight of a polyfunctional crosslinking agent, and 0.1 to 20 parts by weight of a copolymer (B) obtained by copolymerizing 3 to 30% by weight of an unsaturated acid monomer and 97 to 70% by weight of a vinyl monomer copolymerizable therewith, and a thermoplastic resin composition having high impact resistance and excellent moldability and workability comprising 3 to 50 parts by weight of the modifier set forth above and 100 parts of weight of a thermoplastic resin.

摘要翻译： Am抗冲改性剂，其包含100重量份的通过在一个或多个阶段中接枝聚合获得的接枝共聚物（A）的共混物，所述单体或单体混合物由95-100重量％的至少一种选自以下的单体组成： 由丙烯酸烷基酯，甲基丙烯酸烷基酯，芳香族乙烯基化合物和氰化乙烯基化合物组成的组和0-5重量％的主要由丙烯酸烷基酯组成并含有0.1-5重量％多官能交联的丙烯酸类弹性体的多官能交联剂 和/或丁二烯弹性体，其由聚丁二烯或50重量％以上的丁二烯和50重量％以下的可共聚的其它乙烯基化合物和含有0〜5重量％的多官能交联剂的共聚物组成 和0.1〜20重量份通过共聚3〜30重量％的不饱和酸单体和97〜70重量％的乙烯基单体共聚物的共聚物（B） 以及具有高耐冲击性和优异的成型性和加工性的热塑性树脂组合物，其包含3至50重量份的上述改性剂和100重量份的热塑性树脂。

公开(公告)号：US4564653A

公开(公告)日：1986-01-14

申请号：US645358

申请日：1984-08-29

申请人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

发明人： Kazumasa Kamata ,  Kazuo Ueda ,  Kiyokazu Kitai

IPC分类号： C08F285/00 ,  C08L1/00 ,  C08L51/00 ,  C08L101/00 ,  C08L33/02 ,  C08L51/06

CPC分类号： C08L1/00 ,  C08F285/00 ,  C08L101/00 ,  C08L51/00 ,  Y10S525/902

摘要： An impact modifier comprising a blend of 100 parts by weight of a multi-layer graft copolymer composed of monomers selected from the group consisting of alkyl acrylates, alkyl methacrylates, aromatic vinyl compounds, vinyl cyanide compounds and butadienes and having a multi-layer structure consisting of at least three layers (A), (B) and (C) in which the glass transition temperature of the polymer composing the outermost layer (A) is 0.degree. C. or below, the glass transition temperature of the polymer composing the second layer (B) from the outermost layer (A) is 60.degree. C. or above and the glass transition temperature of the polymer composing the third layer (C) from the outermost layer (A) is 0.degree. C. or below, each of the layers containing a polyfunctional crosslinking agent in an amount of 0 to 5% by weight based on the weight of the layer, and 0.1 to 20 parts by weight of a copolymer obtained by copolymerizing 3 to 30% by weight of an unsaturated acid monomer and 97 to 70% by weight of a vinyl monomer copolymerizable therewith, and a thermoplastic resin composition having excellent impact resistance and molding workability comprising 3 to 50 parts by weight of the modifier set forth above and 100 parts by weight of a thermoplastic resin.

摘要翻译： 一种抗冲击改性剂，其包含100重量份的由选自丙烯酸烷基酯，甲基丙烯酸烷基酯，芳族乙烯基化合物，乙烯基氰化合物和丁二烯的单体组成的多层接枝共聚物的共混物，并且具有多层结构 至少三层（A），（B）和（C），其中构成最外层（A）的聚合物的玻璃化转变温度为0℃以下，构成第二层的聚合物的玻璃化转变温度 最外层（A）的层（B）为60℃以上，由最外层（A）构成第三层（C）的聚合物的玻璃化转变温度为0℃以下， 所述层含有基于层的重量为0〜5重量％的多官能交联剂，和通过共聚3〜30重量％的不饱和酸单体和0.1〜20重量份的共聚物， 97〜70重量％ 的可共聚的乙烯基单体和具有优异的耐冲击性和成型加工性的热塑性树脂组合物，其包含3至50重量份的上述改性剂和100重量份的热塑性树脂。

公开(公告)号：US4558098A

公开(公告)日：1985-12-10

申请号：US563021

申请日：1983-12-19

申请人： Kazumasa Kamata ,  Yoshio Nakai ,  Yasunori Shimomura

发明人： Kazumasa Kamata ,  Yoshio Nakai ,  Yasunori Shimomura

IPC分类号： C08L33/12 ,  C08L35/06 ,  C08L25/14

CPC分类号： C08L33/12 ,  C08L35/06

摘要： There is provided a heat-resistant methacrylic resin composition, which comprises 1 to 99% by weight of a copolymer [I] obtained by copolymerizing methyl methacrylate, an aromatic vinyl compound and maleic anhydride and 99 to 1% by weight of a copolymer [II] obtained by copolymerizing 80 to 100% by weight of methyl methacrylate and 0 to 20% by weight of other copolymerizable ethylenic monomer.The resin composition according to the present invention is excellent in characteristics such as optical characteristics, mechanical properties, weathering resistance and molding processability as well as in productivity.

摘要翻译： 提供了一种耐热甲基丙烯酸树脂组合物，其包含1至99重量％的通过共聚甲基丙烯酸甲酯，芳族乙烯基化合物和马来酸酐得到的共聚物[I]和99至1重量％的共聚物[II ]，通过使80〜100重量％的甲基丙烯酸甲酯和0〜20重量％的其它可共聚的乙烯类单体共聚得到。 本发明的树脂组合物的光学特性，机械性能，耐候性和成型加工性以及生产率等特性优异。

公开(公告)号：US4362845A

公开(公告)日：1982-12-07

申请号：US329070

申请日：1981-12-09

申请人： Kazumasa Kamata ,  Kazuo Kishida ,  Kazuo Ueda ,  Norihisa Osaka

发明人： Kazumasa Kamata ,  Kazuo Kishida ,  Kazuo Ueda ,  Norihisa Osaka

IPC分类号： C08L27/00 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L27/06 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04

CPC分类号： C08L27/06 ,  C08L51/00 ,  Y10S525/902

摘要： A composition with high impact resistance and little fish eyes content, comprising 97 to 60 parts by weight of a polyvinyl chloride-base resin and 3 to 40 parts by weight of a graft copolymer obtained by the three-stage graft-polymerization of 65 to 25 parts by weight of a monomer combination (B) comprising 12 to 57% by weight of methyl methacrylate, 1 to 24% by weight of at least one of alkyl acrylates having a C.sub.1-8 -alkyl group, 80 to 40% by weight of styrene and 0 to 3% by weight of a polyfunctional crosslinking agent having one or more alkyl groups in the molecule onto 35 to 75 parts by weight of a butadiene-base elastomer (A) containing 30% by weight or more of 1,3-butadiene units, said three-stage graft polymerization being carried out in the following way: at first at least one member selected from the group consisting of electrolytes and carboxyl-containing polymer latices is added to the reaction system; then in the first stage monomer mixture consisting of major amount of methyl methacrylate and minor amount of an alkyl acrylate or acrylates, which has a proportion of 50 to 90% by weight based on total weight of methyl methacrylate and alkyl acrylate or acrylates, and, if included in said monomer combination, a polyfunctional crosslinking agent are graft-polymerized; in the second stage, styrene is graft-polymerized; and in the third stage, the remaining 10 to 50% by weight of methyl methacrylate and an alkyl acrylate or acrylates are graft-polymerized.

摘要翻译： 具有高耐冲击性和鱼眼含量少的组合物，包含97-60重量份聚氯乙烯基树脂和3-40重量份通过三相接枝聚合获得的接枝共聚物65至25 重量份的包含12至57重量％甲基丙烯酸甲酯的单体组合（B），1至24重量％的至少一种具有C 1-8 - 烷基的丙烯酸烷基酯，80至40重量％ 苯乙烯和0〜3重量％的在分子中具有一个或多个烷基的多官能交联剂，在35〜75重量份的含有30重量％以上的1,3-丁二烯系弹性体（A） 丁二烯单元，所述三段接枝聚合按以下方式进行：首先将至少一种选自电解质和含羧基聚合物胶乳的组分加入到反应体系中; 然后在第一阶段由主要量的甲基丙烯酸甲酯和少量的丙烯酸烷基酯或丙烯酸酯组成的单体混合物，其占甲基丙烯酸甲酯和丙烯酸烷基酯或丙烯酸酯的总重量的50至90重量％ 如果包括在所述单体组合中，则多官能交联剂被接枝聚合; 在第二阶段，苯乙烯接枝聚合; 并且在第三阶段中，剩余的10至50重量％的甲基丙烯酸甲酯和丙烯酸烷基酯或丙烯酸酯被接枝聚合。

公开(公告)号：US4433103A

公开(公告)日：1984-02-21

申请号：US498511

申请日：1983-05-26

申请人： Kazumasa Kamata ,  Masamitsu Tateyama

发明人： Kazumasa Kamata ,  Masamitsu Tateyama

IPC分类号： C08L33/00 ,  C08F285/00 ,  C08L33/02 ,  C08L33/04 ,  C08L51/00 ,  C08L51/02 ,  C08L51/06 ,  C08F265/06 ,  C08L33/12

CPC分类号： C08F285/00

摘要： An impact-resistant methacrylic resin composition comprising a multilayer structure methacrylic resin [II] is provided. The resin [II] is obtained by the following sequential four polymerization stages (i) through (iv):(i) forming 5-50 wt. parts of a hard crosslinked resin (A) containing at least 80 wt. % of methyl methacrylate units;(ii) obtaining 100 wt. parts of a multilayer structure acrylic elastomer [I] by forming on the periphery of resin (A) 95-50 wt. parts of a crosslinked acrylic acid ester copolymer (B) by polymerizing a monomer mixture comprising 69.9-89.9 wt. % of at least one alkyl (C.sub.1-8) acrylate, 10-30 wt. % of styrene or a mixture of styrene and a derivative thereof and 0.1-10 wt. % of ##STR1## (iii) forming on the periphery of elastomer [I] 5-100 wt. parts of a hard crosslinked resin (C) by polymerizing a crosslinkable monomer mixture comprising 80-99.9 wt. % of methyl methacrylate, 0-19.9 wt. % of at least one alkyl (C.sub.1-8) acrylate, 0-10 wt. % of other copolymerizable vinyl monomer and 0.1-10 wt. % of a copolymerizable polyfunctional monomer having at least two C--C double bonds in the molecule; and then(iv) forming on the periphery of resin (C) 5-1000 wt. parts of a hard non-crosslinked resin (D) by polymerizing a non-crosslinkable monomer or non-crosslinkable monomer mixture comprising 80-100 wt. % of methyl methacrylate, 0-20 wt. % of at least one alkyl (C.sub.1-8) acrylate and 0-10 wt. % of another copolymerizable vinyl monomer, the resin (D)/resin (C) weight ratio being from 0.5 to 200. The resin [II] may be blended with a methacrylic resin [III] formed by polymerizing 80-100 wt. % of methyl methacrylate and 0-20 wt. % of a vinyl or vinylidene monomer in such a proportion that the content of the acrylic elastomer [I] is 1-70 wt. % based on the total composition.

摘要翻译： 提供了包含多层结构甲基丙烯酸树脂[II]的抗冲击甲基丙烯酸树脂组合物。 通过以下顺序的四个聚合阶段（i）至（iv）获得树脂[II]：（i）形成5-50wt。 部分硬质交联树脂（A）含有至少80wt。 ％的甲基丙烯酸甲酯单位; （ii）获得100重量％ 通过在树脂（A）的外围形成95-50重量％的多层结构丙烯酸弹性体[I] 交联的丙烯酸酯共聚物（B）的部分通过聚合包含69.9-89.9wt。 ％的至少一种（C 1-8）烷基酯，10-30重量％ ％的苯乙烯或苯乙烯及其衍生物的混合物和0.1-10wt。 （iii）在弹性体[I]的周边上形成5-100重量份的 + TR 通过聚合包含80-99.9重量％的交联性单体混合物的部分硬质交联树脂（C） ％的甲基丙烯酸甲酯，0-19.9wt。 ％的至少一种（C 1-8）烷基酯，0-10重量％ ％的其它可共聚的乙烯基单体和0.1-10wt。 ％的分子中具有至少两个C-C双键的可共聚的多官能单体; 然后（iv）在树脂（C）的周边上形成5-1000wt。 通过使不可交联的单体或不可交联的单体混合物聚合而形成硬的非交联树脂（D）的部分，其包含80-100wt。 ％的甲基丙烯酸甲酯，0-20wt。 ％的至少一种（C 1-8）烷基酯和0-10wt。 ％的另一种可共聚的乙烯基单体，树脂（D）/树脂（C）的重量比为0.5-200。树脂[II]可以与通过聚合80-100wt。 ％的甲基丙烯酸甲酯和0-20wt。 ％的乙烯基或亚乙烯基单体，其比例为丙烯酸类弹性体[I]的含量为1-70wt。 基于总成分的％。