公开(公告)号：US4908271A

公开(公告)日：1990-03-13

申请号：US212577

申请日：1988-06-28

申请人： Kiyoshi Kasai ,  Masayuki Hattori ,  Hiromi Takeuchi ,  Nobuo Sakurai

发明人： Kiyoshi Kasai ,  Masayuki Hattori ,  Hiromi Takeuchi ,  Nobuo Sakurai

IPC分类号： C08F2/00 ,  B01J13/18 ,  C08F2/18 ,  C08F2/44 ,  C08F2/50 ,  C08J9/28 ,  C08J9/32

CPC分类号： B01J13/185 ,  Y10T428/2987

摘要： Capsule-shaped polymer particles and a process for the production thereof are described. In one embodiment of the process, a polymerizable monomer component containing a cross-linkable monomer and a hydrophilic monomer, and an oily substance are finely dispersed in water to prepare an oil-in-water emulsion and then the polymerizable monomer component is polymerized, whereupon capsule-shaped polymer particles containing the oily substance as a core material are obtained. Upon removal of the oily substance in the particles, there are obtained capsule-shaped hollow polymer particles. These capsule-shaped polymer particles are excellent in such properties as mechanical strength and heat resistance, and thus can find many applications.

公开(公告)号：US4798691A

公开(公告)日：1989-01-17

申请号：US871416

申请日：1986-05-23

申请人： Kiyoshi Kasai ,  Masayuki Hattori ,  Hiromi Takeuchi ,  Nobuo Sakurai

发明人： Kiyoshi Kasai ,  Masayuki Hattori ,  Hiromi Takeuchi ,  Nobuo Sakurai

IPC分类号： C08F2/00 ,  B01J13/18 ,  C08F2/18 ,  C08F2/44 ,  C08F2/50 ,  C08J9/28 ,  C08J9/32 ,  A61J5/00 ,  B01J13/02 ,  B32B25/00 ,  B32B27/00

CPC分类号： B01J13/185 ,  Y10T428/2987

摘要： Capsule-shaped polymer particles and a process for the production thereof are described. In one embodiment of the process, a polymerizable monomer component containing a cross-linkable monomer and a hydrophilic monomer, and an oily substance are finely dispersed in water to prepare an oil-in-water emulsion and then the polymerizable monomer component is polymerized, whereupon capsule-shaped polymer particles containing the oily substance as a core material are obtained. Upon removal of the oily substance in the particles, there are obtained capsule-shaped hollow polymer particles. These capsule-shaped polymer particle are excellent in such properties as mechanical strength and heat resistance, and thus can find many applications.

摘要翻译： PCT No.PCT / JP85 / 00544 Sec。 371日期1986年5月23日第 102（e）日期1986年5月23日PCT提交1985年10月2日PCT公布。 出版物WO86 / 02017 日期：1986年4月10日。描述了囊状聚合物颗粒及其生产方法。 在该方法的一个实施方案中，将含有可交联单体和亲水单体的可聚合单体组分和油性物质精细分散在水中以制备水包油乳液，然后聚合单体组分， 得到含有油性物质作为芯材的胶囊状聚合物粒子。 在除去颗粒中的油状物质后，得到胶囊型中空聚合物颗粒。 这些胶囊型聚合物颗粒在机械强度和耐热性等性能方面是优异的，因此可以发现许多应用。

公开(公告)号：US4694035A

公开(公告)日：1987-09-15

申请号：US823013

申请日：1986-01-27

申请人： Kiyoshi Kasai ,  Masayuki Hattori ,  Osamu Kikuchi ,  Hiromi Takeuchi ,  Haruhiro Hirai ,  Nobuo Sakurai

发明人： Kiyoshi Kasai ,  Masayuki Hattori ,  Osamu Kikuchi ,  Hiromi Takeuchi ,  Haruhiro Hirai ,  Nobuo Sakurai

IPC分类号： C08F2/00 ,  C08F2/18 ,  C08F257/02 ,  C08F291/00

CPC分类号： C08F257/02 ,  C08F291/00

摘要： A process for preparing large-sized polymer particles having a particle diameter in a range of 0.1 to 500 .mu.m by seeded polymerization is described, comprising:finely dispersing a polymerizable monomer in an aqueous medium to prepare a monomer dispersion in which a number average particle diameter of the resulting monomer droplets is not larger than that of seed particles, and a number average particle diameter in a semi-stable condition (Dm) of the monomer droplets satisfies, with a desired number average particle diameter of the final polymer particle as D, the following relation:0.5.times.D

摘要翻译： 描述了通过接种聚合制备粒度在0.1至500μm范围内的大尺寸聚合物颗粒的方法，其包括：将可聚合单体细分散在水性介质中以制备单体分散体，其中数均粒子 所得单体液滴的直径不大于种子颗粒的直径，并且单体液滴的半稳定条件（Dm）中的数均粒径满足所需的最终聚合物颗粒的数均粒径为D 以下关系：将所述单体分散体与种子颗粒的分散体组合以使可聚合单体吸收或吸附在种子颗粒上的0.5×D < 并在聚合引发剂的存在下聚合可聚合单体。