公开(公告)号：US06723762B1

公开(公告)日：2004-04-20

申请号：US10069953

申请日：2002-03-07

申请人： Takenobu Sunagawa ,  Noriko Sakashita ,  Mitsutaka Sato ,  Mamoru Kadokura

发明人： Takenobu Sunagawa ,  Noriko Sakashita ,  Mitsutaka Sato ,  Mamoru Kadokura

IPC分类号： C08J908

CPC分类号： C08J9/0061 ,  C08F259/04 ,  C08J9/04 ,  C08J9/06 ,  C08J2327/06 ,  C08J2433/00 ,  C08L27/06 ,  C08L51/003 ,  C08F220/14 ,  C08L2666/24

摘要： There is provided a foamable poly(vinyl chloride) resin composition which can remarkably improve an expansion ratio. There is used a foamable poly(vinyl chloride) resin composition comprising 100 parts by weight of (A) a poly(vinyl chloride) resin, 0.5 to 30 parts by weight of (B) a processing aid, and 0.5 to 15 parts by weight of water and 0 to 20 parts by weight of a thermal decomposition foaming agent as a foaming agent (C), wherein the processing aid is obtained by adding and polymerizing 0 to 50 parts of a monomer mixture (b) comprising 0 to 50% by weight of methyl methacrylate, 50 to 100% by weight of at least one monomer selected from the group consisting of methacrylate excluding methyl methacrylate and acrylate, and 0 to 20% by weight of a vinyl monomer copolymerizable therewith, in the presence of a latex of a (co)polymer obtained by emulsion polymerizing 50 to 100 parts by weight of a monomer mixture (a) comprising 50 to 100% by weight of methyl methacrylate, 0 to 50% by weight of a monomer selected from the group consisting of methacrylate excluding methyl methacrylate and acrylate, and 0 to 20% of a vinyl monomer copolymerizable therewith in an amount that a total amount of (a) and (b) is 100 parts by weight.

摘要翻译： 提供可显着提高膨胀率的可发泡聚氯乙烯树脂组合物。 使用包含100重量份（A）聚（氯乙烯）树脂，0.5-30重量份（B）加工助剂）和0.5-15重量份的可发泡聚氯乙烯树脂组合物 的水和0〜20重量份的作为发泡剂（C）的热分解发泡剂，其中，所述加工助剂是通过将0〜50份由0〜50％的单体混合物（b） 重量的甲基丙烯酸甲酯，50至100重量％的至少一种选自甲基丙烯酸甲酯和丙烯酸酯的甲基丙烯酸酯的单体和0至20重量％的与其可共聚的乙烯基单体，在胶乳的存在下 通过将50至100重量份的单体混合物（a）通过乳液聚合而获得的（共）聚合物，所述单体混合物（a）包含50至100重量％的甲基丙烯酸甲酯，0至50重量％的选自甲基丙烯酸甲酯 甲基丙烯酸甲酯和丙烯酸酯，和0 至20％的可与其共聚的乙烯基单体，其量（a）和（b）的总量为100重量份。

公开(公告)号：US06610757B2

公开(公告)日：2003-08-26

申请号：US09926428

申请日：2001-10-31

申请人： Takenobu Sunagawa ,  Mitsutaka Sato ,  Noriko Sakashita ,  Mamoru Kadokura

发明人： Takenobu Sunagawa ,  Mitsutaka Sato ,  Noriko Sakashita ,  Mamoru Kadokura

IPC分类号： C08J908

CPC分类号： C08J9/0061 ,  C08J9/08 ,  C08J2201/03 ,  C08J2327/06 ,  C08J2433/00

摘要： An expandable vinyl chloride resin composition that the expansion ratio of a vinyl chloride resin can be greatly increased by the use of thermally decomposable inorganic blowing agents without the use of organic solvent blowing agents, and which comprises 100 parts by weight of a vinyl chloride resin, 0.5 to 30 parts by weight of, as a processing aid, a (meth)acrylic acid ester polymer having a specific viscosity of not less than 0.73 measured at 30° C. with respect to a solution of 0.1 g of the polymer dissolved in 100 ml of chloroform, and not less than 0.3 to less than 2 parts by weight of a thermally decomposable inorganic blowing agent such as sodium bicarbonate.

公开(公告)号：US06765033B1

公开(公告)日：2004-07-20

申请号：US09622474

申请日：2000-08-17

申请人： Takenobu Sunagawa ,  Noriko Sakashita ,  Toshiyuki Mori ,  Akira Takaki

发明人： Takenobu Sunagawa ,  Noriko Sakashita ,  Toshiyuki Mori ,  Akira Takaki

IPC分类号： C08J908

CPC分类号： C08J9/0061 ,  C08J9/08 ,  C08J2327/06 ,  C08J2433/00 ,  C08L27/06 ,  C08L33/06 ,  C08L2666/04

摘要： An expandable vinyl chloride resin composition that the expansion ratio of a vinyl chloride resin can be greatly increased by the use of thermally decomposable inorganic blowing agents without the use of organic solvent blowing agents, and which comprises 100 parts by weight of a vinyl chloride resin, 5 to 30 parts by weight of, as a processing aid, a (meth)acrylic acid ester polymer having a specific viscosity of not less than 0.73 measured at 30° C. with respect to a solution of 0.1 g of the polymer dissolved in 100 ml of chloroform, and 2 to 25 parts by weight of a thermally decomposable inorganic blowing agent.

摘要翻译： 通过使用可分解无机发泡剂而不使用有机溶剂发泡剂，氯乙烯树脂的膨胀比可以大大提高，并且包括100重量份的氯乙烯树脂， 作为加工助剂的5〜30重量份作为加工助剂的（甲基）丙烯酸酯聚合物相对于溶解在100克中的聚合物的溶液，在30℃下测定的比粘度不低于0.73 氯仿和2〜25重量份的热分解无机发泡剂。

公开(公告)号：US07432320B2

公开(公告)日：2008-10-07

申请号：US10730887

申请日：2003-12-10

申请人： Noriko Sakashita ,  Yasuhiro Miki ,  Akira Takaki

发明人： Noriko Sakashita ,  Yasuhiro Miki ,  Akira Takaki

IPC分类号： C08F265/06 ,  C08F2/16 ,  C08L27/06 ,  C08L51/00

CPC分类号： C08L27/06 ,  C08F265/06 ,  C08L51/003 ,  C08L2666/24 ,  C08L2666/04

摘要： There is provided a vinyl chloride resin composition, which is excellent in processability and can produce a processed article having excellent physical property or a formed molding having excellent property. A processing aid having specific viscosity of at least 0.5 is combined with a vinyl chloride resin, wherein the aid is obtained by polymerizing 1 to 50 parts by weight of a monomer mixture (B) comprising 0 to 49% by weight of methyl methacrylate, 51 to 100% by weight of at least one monomer selected from the group consisting of a methacrylate ester except methyl methacrylate and an acrylate ester, and 0 to 20% by weight of a vinyl monomer copolymerizable therewith, in the presence of a latex of a (co)polymer having specific viscosity of at least ηsp 0.7, which is obtained by polymerizing in emulsion 99 to 50 parts by weight of a monomer mixture (A) comprising 51 to 100% by weight of methyl methacrylate, 0 to 49% by weight of at least one monomer selected from the group consisting of a methacrylate ester except methyl methacrylate and an acrylate ester, and 0 to 20% by weight of a vinyl monomer copolymerizable therewith, wherein the total amount of (A) and (B) is 100 parts by weight.

摘要翻译： 提供了一种氯乙烯树脂组合物，其加工性能优异并且可以生产具有优异物理性能的加工制品或具有优异性能的成型模塑制品。 将具有至少0.5的比粘度的加工助剂与氯乙烯树脂组合，其中通过聚合1至50重量份的包含0至49重量％的甲基丙烯酸甲酯的单体混合物（B），51 至100重量％的至少一种选自除甲基丙烯酸甲酯和丙烯酸酯以外的甲基丙烯酸酯的单体和0〜20重量％的可与其共聚的乙烯基单体，在（ 共聚物），其通过在乳液99中聚合至50重量份的包含51至100重量％的甲基丙烯酸甲酯的单体混合物（A）获得的至少ηηsp 0.7的比粘度 ，0〜49重量％的至少一种选自除了甲基丙烯酸甲酯和丙烯酸酯以外的甲基丙烯酸酯的单体和0〜20重量％的可与其共聚的乙烯基单体，其中（A ）和（B）为100份 重量。