公开(公告)号：US4753753A

公开(公告)日：1988-06-28

申请号：US925265

申请日：1986-10-31

申请人： Toshiyuki Kobashi ,  Hideo Naka

发明人： Toshiyuki Kobashi ,  Hideo Naka

IPC分类号： C01G30/00 ,  C08K3/22 ,  B01J13/00

CPC分类号： B82Y30/00 ,  C01G30/005 ,  C08K3/2279 ,  C01P2004/64

摘要： This invention provides an aqueous antimony oxide sol composed of Sb.sub.6 O.sub.13, 1 to 100 m.mu. in particle diameter, dispersed in an aqueous medium or composed of said Sb.sub.6 O.sub.13 treated with a particular quantity of a particular organic silicon compound and regulated to within a prescribed pH range, which has a high concentration and a small quantity of impurities, and moreover has excellent thermal stability and chemical stability.

摘要翻译： 本发明提供一种由Sb6O13构成的水溶性氧化锑溶胶，其粒径为1〜100μm，分散在水性介质中，或者由用特定有机硅化合物处理的Sb 6 O 13构成，并调节至规定的pH范围 ，具有高浓度和少量杂质，而且具有优异的热稳定性和化学稳定性。

公开(公告)号：US4604428A

公开(公告)日：1986-08-05

申请号：US568922

申请日：1984-01-06

申请人： Masaaki Fujimatsu ,  Toshiyuki Kobashi

发明人： Masaaki Fujimatsu ,  Toshiyuki Kobashi

IPC分类号： C08F2/00 ,  C08F2/44 ,  C08F20/44 ,  C08F259/00 ,  C08L33/20 ,  C08F259/04 ,  C08F259/06 ,  C08F259/08

CPC分类号： C08F259/00

摘要： This invention relates to a method of producing a flame-retardant acrylic polymer by polymerizing, in the presence of a radical polymerization initiator, a vinyl monomer containing acrylonitrile in an amount of more than 75 weight %, in an aqueous medium in which is present a halogen-containing polymer latex substantially free from an emulsifier. The acrylic polymer can provide flame-retardant shaped products, especially fibers, which have no problems in the operation of spinning, transparency, gloss, dyed color clearness, etc.

摘要翻译： 本发明涉及一种制备阻燃性丙烯酸类聚合物的方法，该方法是在自由基聚合引发剂存在下，在含有大于75重量％的丙烯腈的乙烯基单体的存在下， 基本上不含乳化剂的含卤聚合物胶乳。 丙烯酸类聚合物可以提供阻燃成型产品，特别是纤维，其在纺丝，透明度，光泽，染色清晰度等操作中没有问题。

公开(公告)号：US4130525A

公开(公告)日：1978-12-19

申请号：US772334

申请日：1977-02-25

申请人： Toshiyuki Kobashi ,  Hirotaka Shiota ,  Haruki Umetani

发明人： Toshiyuki Kobashi ,  Hirotaka Shiota ,  Haruki Umetani

IPC分类号： C08F2/00 ,  C08F2/22 ,  C08F2/24 ,  C08F220/00 ,  C08F220/42 ,  C08F220/46 ,  D01D1/02 ,  D01F6/38 ,  D01F6/50 ,  D06M15/31 ,  C08L33/20

CPC分类号： D06M15/31 ,  C08F220/46

摘要： A stable aqueous emulsion of an acrylonitrile polymer which comprises a dispersion system of said acrylonitrile polymer having a particle size of substantially less than 1.mu. in water and contains substantially no emulsifying agent nor dispersing agent. Said emulsion is produced by a process comprising; polymerizing acrylonitrile alone or in a monomer mixture comprising more than 60% by weight of acrylonitrile and as another component, at least one other ethylenically unsaturated compound, under stirring at a temperature higher than 120.degree. C and at least autogenous pressure, in an aqueous system consisting essentially of water in an amount of 45 to 95% by weight based on the total weight of water and monomer(s), to thereby introduce at least 2.times.10.sup.-5 mol per gram polymer of sulfonic acid groups or salts thereof and/or carboxylic groups or salts thereof into the resulting polymer, whereby an aqueous dispersion system comprising fine droplets of the polymer in substantially molten state is formed, and then cooling said aqueous dispersion system under stirring so that said polymer droplets may not gather together to form aggregates, said cooling of said aqueous dispersion system being to a temperature less than 100.degree. C while maintaining said system at a pressure higher than the autogenous pressure.

摘要翻译： 一种丙烯腈聚合物的稳定的水性乳液，其包含所述丙烯腈聚合物的分散体系，其在水中具有基本上小于1微米的粒度，并且基本上不含乳化剂和分散剂。 所述乳液通过以下方法制备： 在含水体系中在高于120℃和至少自生压力的温度下搅拌下将丙烯腈单独或单体混合在包含大于60重量％丙烯腈和另外组分的单体混合物中，至少一种其它烯属不饱和化合物 基本上由基于水和单体总重量的45至95重量％的水组成，由此引入至少2×10-5摩尔/克聚合物的磺酸基或其盐和/或羧酸 基团或其盐形成所得聚合物，由此形成包含基本上熔融状态的聚合物微滴的水性分散体系，然后在搅拌下冷却所述水性分散体系，使得所述聚合物液滴不会聚集在一起形成聚集体，所述 所述水分散系统的冷却温度低于100℃，同时将所述系统保持在高于自体基础的压力 我们的压力

公开(公告)号：US4009138A

公开(公告)日：1977-02-22

申请号：US564892

申请日：1975-04-03

申请人： Toshiyuki Kobashi ,  Kenichi Masuhara

发明人： Toshiyuki Kobashi ,  Kenichi Masuhara

IPC分类号： C08F2/00 ,  C08F2/20 ,  C08F2/24 ,  C08F2/26 ,  C08F220/00 ,  C08F220/04 ,  C08F265/00 ,  C08F265/02 ,  C08F267/02 ,  C08F291/14 ,  C08L33/02

CPC分类号： C08F265/02 ,  C08F2/24 ,  C08F267/02 ,  C08F291/14

摘要： There is provided a process for preparing a stable polymer emulsion characterized by polymerizing a radical-polymerizable monomer having unsaturated bond by using a water-soluble catalyst in an aqueous medium and in the presence of a water-soluble polymer containing chemically bonded monomeric units of methacrylic acid or its salt and monomeric units of ethylenically unsaturated sulfonic acid or its salt, said polymerization being conducted at a pH of 4 or lower.

摘要翻译： 提供了一种制备稳定的聚合物乳液的方法，其特征在于通过在水性介质中使用水溶性催化剂和在含有化学键合的单体单元的水溶性聚合物的存在下聚合具有不饱和键的可自由基聚合的单体 酸或其盐和单体单元的烯属不饱和磺酸或其盐，所述聚合在pH4或更低的条件下进行。