公开(公告)号：US4035443A

公开(公告)日：1977-07-12

申请号：US644421

申请日：1975-12-24

申请人： Fumio Ide ,  Kazuo Kishida ,  Jinpee Kobayashi

发明人： Fumio Ide ,  Kazuo Kishida ,  Jinpee Kobayashi

IPC分类号： C08L27/00 ,  C08F265/00 ,  C08F265/04 ,  C08F265/06 ,  C08F279/00 ,  C08F285/00 ,  C08L1/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L51/06 ,  A43B13/04 ,  C08F6/24

CPC分类号： C08F285/00 ,  C08F265/04 ,  C08F265/06 ,  C08L27/06 ,  C08L51/003

摘要： A transparent vinyl chloride resin composition excellent in surface gloss and resistant to weathering and impact, comprising 97 to 60 parts by weight of a vinyl-chloride polymer and 3 to 40 parts by weight of a graft copolymer (B) obtained by emulsion-polymerizing a mixture of an aromatic vinyl monomer and a polyfunctional crosslinking agent having at least one allyl group, then polymerizing, in the presence of the resulting polymer latex, a mixture of an alkyl acrylate having 2 to 10 carbon atoms in the alkyl group and a polyfunctional crosslinking agent having at least one allyl group to form an acrylic elastomer (A) in the first stage the proportions of said alkyl acrylate and said aromatic vinyl monomer being 50 to 70% by weight and 50 to 30% by weight, respectively, and the amount of said crosslinking agent used being 0.1 to 5 parts by weight in total per 100 parts by weight of the sum of said alkyl acrylate and said aromatic vinyl monomer; and graft-polymerizing, in the presence of the resulting acrylic elastomer (A), first methyl methacrylate and subsequently an aromatic vinyl monomer in the second stage, the proportions of said methyl methacrylate and said aromatic vinyl monomer being 30 to 80% by weight and 70 to 20% by weight, respectively, and the total amount of said methyl methacrylate and said aromatic vinyl monomer used being 70 to 20 parts by weight per 30 to 80 parts by weight of said acrylic elastomer (A).

摘要翻译： 一种透明的氯乙烯树脂组合物，具有优异的表面光泽度和耐候性和耐冲击性，其包含97-60重量份氯乙烯聚合物和3-40重量份通过乳液聚合反应获得的接枝共聚物（B） 芳族乙烯基单体和具有至少一个烯丙基的多官能交联剂的混合物，然后在所得聚合物胶乳存在下，在烷基中具有2至10个碳原子的丙烯酸烷基酯与多官能交联剂 具有至少一个烯丙基的试剂在第一阶段中形成丙烯酸弹性体（A），所述丙烯酸烷基酯和所述芳族乙烯基单体的比例分别为50至70重量％和50至30重量％，并且其量 的所述交联剂的总和为每100重量份所述丙烯酸烷基酯和所述芳族乙烯基单体的总量为0.1至5重量份; 在第二阶段中，在得到的丙烯酸类弹性体（A），第一甲基丙烯酸甲酯和随后的芳香族乙烯基单体的存在下接枝聚合，所述甲基丙烯酸甲酯和所述芳族乙烯基单体的比例为30〜80重量％，和 70〜20重量％，所使用的所述甲基丙烯酸甲酯和所述芳族乙烯基单体的总量相对于所述丙烯酸系弹性体（A）为30〜80重量份为70〜20重量份。

公开(公告)号：US4128605A

公开(公告)日：1978-12-05

申请号：US804157

申请日：1977-06-06

申请人： Kazuo Kishida ,  Jinpee Kobayashi ,  Hajime Fukunaga

发明人： Kazuo Kishida ,  Jinpee Kobayashi ,  Hajime Fukunaga

IPC分类号： C08L27/00 ,  C08F265/00 ,  C08F285/00 ,  C08L1/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02

CPC分类号： C08F285/00 ,  C08L27/06 ,  C08L51/00

摘要： A vinyl chloride resin composition is prepared by (1) preparing an acrylic elastomer (A) by (a) polymerizing 30 to 50% by wt of an aromatic vinyl monomer in the presence of a polyfunctional cross-linking agent having at least one allyl group and a carboxylate anion surfactant as an emulsifier at a pH maintained between 7.0-9.5 and then (b) graft-polymerizing 50 to 70% by wt of an alkyl acrylate of 2 to 10 carbon atoms in the alkyl group onto said polymerized aromatic vinyl polymer in the presence of from 0.1 to 3 parts by wt of a polyfunctional cross-linking agent with at least one allyl group based on the weight of the sum of said aromatic vinyl monomer and said alkyl acrylate; (2) preparing a graft copolymer (B) by graft-polymerizing from 20 to 70 parts by wt of an aromatic vinyl monomer and methyl methacrylate onto 30 to 80 parts by weight of said acrylic elastomer (A) wherein from 70% to 20% by wt of said aromatic vinyl monomer is first graft-polymerized onto said elastomer (A) in the presence of an oil soluble initiator and then graft-polymerizing from 30 to 80% by wt of methyl methacrylate onto said grafted elastomer; and (3) mixing from 60 to 97 parts by wt of a vinyl chloride polymer with 3 to 40 parts by wt of said graft copolymer (B).

摘要翻译： （1）通过以下步骤制备氯乙烯树脂组合物：（a）通过（a）在具有至少一个烯丙基的多官能交联剂的存在下聚合30至50重量％的芳族乙烯基单体来制备丙烯酸弹性体 和作为乳化剂的羧酸根阴离子表面活性剂，其pH保持在7.0-9.5之间，然后（b）将50至70重量％的烷基中具有2至10个碳原子的丙烯酸烷基酯接枝聚合到所述聚合的芳族乙烯基聚合物上 在0.1至3重量份基于所述芳族乙烯基单体和所述丙烯酸烷基酯的总量的重量的至少一个烯丙基的多官能交联剂的存在下， （2）通过将20〜70重量份的芳族乙烯基单体和甲基丙烯酸甲酯接枝聚合到30〜80重量份的所述丙烯酸弹性体（A）中制备接枝共聚物（B），其中70〜20重量％ 所述芳族乙烯基单体的重量首先在油溶性引发剂的存在下接枝聚合到所述弹性体（A）上，然后将30至80重量％的甲基丙烯酸甲酯接枝聚合到所述接枝的弹性体上; 和（3）将60至97重量份的氯乙烯聚合物与3至40重量份的所述接枝共聚物（B）混合。