公开(公告)号：US5334660A

公开(公告)日：1994-08-02

申请号：US867479

申请日：1992-04-13

申请人： Akira Takaki ,  Hiroto Mori ,  Toshihiko Hasegawa

发明人： Akira Takaki ,  Hiroto Mori ,  Toshihiko Hasegawa

IPC分类号： C08L27/06 ,  C08L51/04 ,  C08L25/10 ,  C08L25/14 ,  C08L55/04

CPC分类号： C08L27/06 ,  C08L51/04

摘要： A vinyl chloride resin composition having an improved impact resistance with a good transparency that the vinyl chloride resin itself possesses originally; which comprises (A) a graft copolymer prepared by (i) adding a water-soluble electrolyte to a butadiene polymer (a) (ii) adding a monomer mixture (b) containing mainly an aromatic vinyl monomer to polymerize, (iii) adding a monomer mixture (c) containing mainly an alkyl methacrylate to polymerize and (iv), when desired, adding a monomer mixture (d) containing mainly an aromatic vinyl monomer.

摘要翻译： 一种氯乙烯树脂组合物，具有改善的耐冲击性，并且氯乙烯树脂本身原本具有良好的透明性; 其包括（A）通过（i）向丁二烯聚合物（a）中加入水溶性电解质而制备的接枝共聚物（ii）（ii）加入主要含有芳族乙烯基单体的单体混合物（b）以聚合，（iii） 主要含有甲基丙烯酸烷基酯以聚合的单体混合物（c）和（iv）当需要时，加入主要含有芳族乙烯基单体的单体混合物（d）。

公开(公告)号：US5093420A

公开(公告)日：1992-03-03

申请号：US506130

申请日：1990-04-09

申请人： Kuniyoshi Matsuba ,  Toshihiko Hasegawa ,  Hideki Hosoi

发明人： Kuniyoshi Matsuba ,  Toshihiko Hasegawa ,  Hideki Hosoi

IPC分类号： C08L27/04 ,  C08L27/06 ,  C08L51/00 ,  C08L51/06

CPC分类号： C08L27/06 ,  C08L51/003

摘要： A vinyl chloride resin composition including: (1) 100 parts by weight of a vinyl chloride resin and (2) 0.1 to 30 parts by weight of a two-stage polymer, said polymer (2) being prepared by emulsion-polymerizing 60 to 95 parts by weight of a monomer mixture (A) of 50 to 95% by weight of methyl methacrylate, 5 to 50% by weight of an alkyl methacrylate with a C.sub.2 to C.sub.8 alkyl group and 0 to 20% by weight of a vinyl monomer to give a polymer latex and then polymerizing 40 to 5 parts by weight of a monomer mixture (B) of 20 to 80% by weight of an alkyl acrylate and/or an alkyl methacrylate other than methyl methacrylate, 80 to 20% by weight of methyl methacrylate and 0 to 20% by weight of a vinyl monomer in the presence of said polymer latex, said polymer (2) having a particle size of not more than 1000 .ANG. in the latex, and a specific viscosity at 30.degree. C. of the solution wherein 0.4 g of said polymer (2) is dissolved in 100 ml of benzene of 1 or more. The composition is excellent in transparency and secondary processability as well as in processability. Thus, a composition having excellent properties can be prepared by admixing a small amount, such as 0.1 to 30 parts by weight of the two-stage polymer as the agent for improving the processability with 100 parts by weight of the vinyl chloride resin.

公开(公告)号：US4690977A

公开(公告)日：1987-09-01

申请号：US897968

申请日：1986-08-20

申请人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Taizo Aoyama

发明人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Taizo Aoyama

IPC分类号： C08L27/00 ,  C08F285/00 ,  C08L1/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04 ,  C08L57/08

CPC分类号： C08L27/06 ,  C08L51/00

摘要： A vinyl chloride polymer composition comprising(A) 3 to 50 parts by weight of a grafted copolymer and(B) 97 to 50 parts by weight of a vinyl chloride polymer, a total amount of the copolymer (A) and the polymer (B) being 100 parts by weight; the grafted copolymer (A) comprising(1) 50 to 80 parts by weight of a rubber copolymer and(2) 50 to 20 parts by weight of a grafting monomer, a total amount of the component (1) and the component (2) being 100 parts by weight; the component (1) comprising(a) 60 to 90% by weight of the rubber copolymer comprising 99 to 85% by weight of alkyl acrylate having an alkyl group of 2 to 8 carbon atoms, 1 to 15% by weight of conjugated diolefin and 0 to 5% by weight of polyfunctional cross-linking agent and(b) 40 to 10% by weight of a surface rubber copolymer comprising 98 to 70% by weight of alkyl acrylate having an alkyl group of 2 to 8 carbon atoms, 2 to 30% by weight of conjugated diolefin and 0 to 5% by weight of polyfunctional cross-linking agent and being obtained by polymerizing the component (a) to give a core rubber copolymer and then polymerizing the surface rubber copolymer component (b) in the presence of the core rubber copolymer (a), and a ratio of conjugated diolefin to acrylate in the surface rubber copolymer (b) is larger than a ratio of conjugated diolefin to acrylate in the core rubber copolymer (a) and the component (2) comprising(i) 30 to 95% by weight of methyl methacrylate and(ii) 70 to 5% by weight of at least one monomer selected from the group consisting of unsaturated nitrile, aromatic vinyl compound, alkyl acrylate having an alkyl group of 1 to 8 carbon atoms and alkyl methacrylate having an alkyl group of 2 to 4 carbon atoms. The vinyl chloride polymer composition has excellent impact resistance, weatherability and processability.

公开(公告)号：US5541256A

公开(公告)日：1996-07-30

申请号：US262027

申请日：1994-06-17

申请人： Akira Takaki ,  Toshiyuki Mori ,  Toshiro Shimatani ,  Toshihiko Hasegawa

发明人： Akira Takaki ,  Toshiyuki Mori ,  Toshiro Shimatani ,  Toshihiko Hasegawa

IPC分类号： C08J3/12 ,  C08F285/00 ,  C08J3/00 ,  C08L25/14 ,  C08L27/06 ,  C08L33/00 ,  C08L33/04 ,  C08L33/12 ,  C08L51/00 ,  C08L51/04

CPC分类号： C08J3/005 ,  C08F285/00 ,  C08L27/06 ,  C08L25/14 ,  C08L33/12 ,  C08L51/04

摘要： A process for preparing a synthetic resin powder having an improved blocking resistance suitable as a modifier for vinyl chloride resins, which comprises coagulating an aqueous latex of a graft copolymer suitable as a modifier for vinyl chloride resins, mixing the resulting, slurry with a latex of a specific polymer of methyl methacrylate, an aromatic vinyl compound, a crosslinkling monomer and optionally other copolymerizable monomers or a slurry formed from the specific polymer latex by coagulation, and recovering a powder from the resulting mixture containing the coagulated graft copolymer and the coagulated specific polymer.

摘要翻译： 一种制备具有适合作为氯乙烯树脂改性剂的改进的抗粘连性的合成树脂粉末的方法，其包括将适合作为氯乙烯树脂改性剂的接枝共聚物的水性胶乳凝结，将得到的浆料与 甲基丙烯酸甲酯的特定聚合物，芳族乙烯基化合物，交联单体和任选的其它可共聚单体或由特定聚合物胶乳通过凝结形成的浆料，以及从所得混合物中回收含有凝固的接枝共聚物和凝固的特定聚合物的粉末 。

公开(公告)号：US4670509A

公开(公告)日：1987-06-02

申请号：US808150

申请日：1985-12-12

申请人： Taizo Aoyama ,  Toshihiko Hasegawa ,  Hideki Hosoi

发明人： Taizo Aoyama ,  Toshihiko Hasegawa ,  Hideki Hosoi

IPC分类号： C08F265/06 ,  C08F285/00 ,  C08L1/00 ,  C08L27/00 ,  C08L27/06 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04

CPC分类号： C08F285/00 ,  C08F265/06 ,  C08L27/06 ,  C08L51/003 ,  Y10S525/902

摘要： A vinyl chloride resin composition having improved weather resistance and impact resistance which contains, as a modifier, a graft copolymer which is prepared by graft-polymerizing 50 to 15 parts by weight of a monomer component composed of mainly methyl methacrylate on 50 to 85 parts by weight of a cross-linked alkyl acrylate polymer so that 30 to 90% by weight of the monomer component is graft-polymerized and, then, the remaining portion of the monomer component is graft-polymerized in the presence of 0.1 to 5% by weight, based on the whole amount of the monomer component, of a copolymerizable cross-linking agent, the fraction extracted from said graft polymer with methyl ethyl ketone having a specific viscosity of at least 0.6 as measured in a concentration of 0.1 g/100 cc in acetone at 30.degree. C. The composition has a reduced die swelling and provides shaped articles having excellent weather resistance and impact strength.

摘要翻译： 具有改进的耐候性和耐冲击性的氯乙烯树脂组合物含有作为改性剂的接枝共聚物，该接枝共聚物通过将50〜15重量份的由主要甲基丙烯酸甲酯组成的单体组分50〜85重量份 重量的交联的丙烯酸烷基酯聚合物，使得单体成分的30〜90重量％接枝聚合，然后在0.1〜5重量％的存在下将单体成分的剩余部分进行接枝聚合 基于全部量的单体组分，可共聚的交联剂，从0.1g / 100cc的浓度测定的比例粘度为0.6以上的甲基乙基酮从所述接枝聚合物中提取的馏分 丙酮在30℃。组合物具有降低的模头溶胀并提供具有优异的耐候性和冲击强度的成型制品。

公开(公告)号：US4645795A

公开(公告)日：1987-02-24

申请号：US721001

申请日：1985-04-08

申请人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Taizo Aoyama

发明人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Taizo Aoyama

IPC分类号： C08L27/00 ,  C08F285/00 ,  C08L1/00 ,  C08L27/06 ,  C08L33/00 ,  C08L33/02 ,  C08L51/00 ,  C08L51/02 ,  C08L51/04 ,  C08L57/08

CPC分类号： C08L27/06 ,  C08L51/00

摘要： A vinyl chloride polymer composition comprising (A) 3 to 50 parts by weight of a grafted copolymer and (B) 97 to 50 parts by weight of a vinyl chloride polymer, a total amount of the copolymer (A) and the polymer (B) being 100 parts by weight; the grafted copolymer (A) comprising(1) 50 to 80 parts by weight of a rubber copolymer and(2) 50 to 20 parts by weight of a grafting monomer, a total amount of the component (1) and the component (2) being 100 parts by weight;the component (1) comprising(a) 60 to 90% by weight of the rubber copolymer comprising 99 to 85% by weight of alkyl acrylate having an alkyl group of 2 to 8 carbon atoms, 1 to 15% by weight of conjugated diolefin and 0 to 5% by weight of polyfunctional cross-linking agent and(b) 40 to 10% by weight of a surface rubber copolymer comprising 98 to 70% by weight of alkyl acrylate having an alkyl group of 2 to 8 carbon atoms, 2 to 30% by weight of conjugated diolefin and 0 to 5% by weight of polyfunctional cross-linking agent and being obtained by polymerizing the component (a) to give a core rubber copolymer and then polymerizing the surface rubber copolymer component (b) in the presence of the core rubber copolymer (a), and a ratio of conjugated diolefin to acrylate in the surface rubber copolymer (b) is larger than a ratio of conjugated diolefin to acrylate in the core rubber copolymer (a)and the component (2) comprising(i) 30 to 95% by weight of methyl methacrylate and(ii) 70 to 5% by weight of at least one monomer selected from the group consisting of unsaturated nitrile, aromatic vinyl compound, alkyl acrylate having an alkyl group of 1 to 8 carbon atoms and alkyl methacrylate having an alkyl group of 2 to 4 carbon atoms. The vinyl chloride polymer composition has excellent impact resistance, weatherability and processability.

摘要翻译： 一种氯乙烯聚合物组合物，其包含（A）3至50重量份的接枝共聚物和（B）97至50重量份的氯乙烯聚合物，共聚物（A）和聚合物（B）的总量， 为100重量份; 接枝共聚物（A）包含（1）50至80重量份的橡胶共聚物和（2）50至20重量份的接枝单体，组分（1）和组分（2）的总量， 为100重量份; 组分（1）包含（a）60-90％重量的橡胶共聚物，其包含99-85％重量的具有2-8个碳原子的烷基的丙烯酸烷基酯，1-1.5％重量的共轭二烯烃和 0至5重量％的多官能交联剂和（b）40至10重量％的表面橡胶共聚物，其包含98至70重量％的具有2至8个碳原子的烷基的丙烯酸烷基酯，2至 30重量％的共轭二烯烃和0〜5重量％的多官能交联剂，通过聚合组分（a）得到核心橡胶共聚物，然后在表面橡胶共聚物组分（b）的存在下聚合， 的核心橡胶共聚物（a）中的共轭二烯烃与丙烯酸酯的比例大于共聚物的二烯烃与丙烯酸酯的比例，和（2）的组分（2）中， （i）30〜95重量％的甲基丙烯酸甲酯和（ii）70〜5重量％ 的至少一种选自不饱和腈，芳族乙烯基化合物，具有1至8个碳原子的烷基的丙烯酸烷基酯和具有2至4个碳原子的烷基的甲基丙烯酸烷基酯的单体。 氯乙烯聚合物组合物具有优异的耐冲击性，耐候性和加工性。

公开(公告)号：US4624987A

公开(公告)日：1986-11-25

申请号：US727474

申请日：1985-04-26

申请人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Hitoshi Hayashi

发明人： Hideki Hosoi ,  Toshihiko Hasegawa ,  Hitoshi Hayashi

IPC分类号： C08L27/00 ,  C08F279/00 ,  C08F279/02 ,  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 vinyl chloride polymer composition comprising (A) 5 to 50% by weight of a MBS resin prepared by firstly graft-polymerizing 15 to 40 parts by weight of monomer component comprising 80 to 100% by weight of methyl methacrylate and 20 to 0% by weight of one or more other vinyl monomers capable of copolymerizing with methyl methacrylate onto 40 to 70 parts by weight of a styrene-butadiene rubber including not more than 50% by weight of styrene, and then, onto the obtained copolymer, secondly graft-polymerizing 10 to 40 parts by weight of monomer component comprising 80 to 100% by weight of styrene and 20 to 0% by weight of one or other vinyl monomers capable of copolymerizing with styrene, a total amount of said styrene-butadiene rubber, the first graft-polymerizing monomer component and the second graft-polymerizing monomer component being 100 parts by weight, and (B) 95 to 50% by weight of vinyl chloride polymer wherein;(i) an amount of said first graft-polymerizing monomer component including methyl methacrylate as a main component being 40 to 80% by weight based on the total weight of the first and second graft-polymerizing monomer components and(ii) said MBS resin prepared by graft-polymerizing under the condition that agglomeration of said styrene-butadiene rubber substantially does not occur in the course of the graft-polymerization having an average particle size of not less than 1500 .ANG. and a proportion of particles having a particle size of not more than 1000 .ANG. being not more than 20% by weight and that having a particle size of not less than 3000 .ANG. being not more than 20% by weight. A molded article of the vinyl chloride polymer composition has excellent solvent-resistance, transparency and impact-resistance.

摘要翻译： 一种氯乙烯聚合物组合物，其包含（A）5至50重量％的MBS树脂，其通过首先将15至40重量份的单体组分接枝聚合而制备，所述单体组分包含80至100重量％的甲基丙烯酸甲酯和20至0重量％ 将能够与甲基丙烯酸甲酯共​​聚的一种或多种其它乙烯基单体的重量在40至70重量份的包含不超过50重量％的苯乙烯的苯乙烯 - 丁二烯橡胶中，然后在所得共聚物上进行第二次接枝聚合 10至40重量份的包含80至100重量％的苯乙烯和20至0重量％的能够与苯乙烯共聚的一种或其它乙烯基单体的单体组分，所述苯乙烯 - 丁二烯橡胶的总量，第一接枝 聚合单体组分和第二接枝聚合单体组分为100重量份，和（B）95至50重量％的氯乙烯聚合物，其中; （i）包含甲基丙烯酸甲酯为主要成分的所述第一接枝聚合单体组分的量为基于第一和第二接枝聚合单体组分的总重量的40至80重量％，和（ii）制备的所述MBS树脂 在接枝聚合过程中基本上不发生所述苯乙烯 - 丁二烯橡胶的附聚的平均粒径不小于1500和粒径不超过1500μm的颗粒的比例的接枝聚合 超过1000个ANGSTROM不大于20重量％，并且具有不小于3000个ANGSTROM的粒度不超过20重量％。 氯乙烯聚合物组合物的成型体具有优异的耐溶剂性，透明性和耐冲击性。