发明申请
- 专利标题： HEAT-EXPANDABLE MICROSPHERES, PROCESS FOR PRODUCING THE SAME, AND APPLICATION THEREOF
- 专利标题（中）： 热可膨胀微球，其生产方法及其应用
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申请号： US12679661申请日： 2008-10-09
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公开(公告)号： US20100204349A1公开(公告)日： 2010-08-12
- 发明人: Takeshi Inohara , Yoshiaki Shirakabe , Ikuo Yosejima , Kenichi Kitano , Toshiaki Masuda
- 申请人： Takeshi Inohara , Yoshiaki Shirakabe , Ikuo Yosejima , Kenichi Kitano , Toshiaki Masuda
- 申请人地址： JP Yao-shi, Osaka
- 专利权人： MATSUMOTO YUSHI-SEIYAKU CO., LTD.
- 当前专利权人： MATSUMOTO YUSHI-SEIYAKU CO., LTD.
- 当前专利权人地址： JP Yao-shi, Osaka
- 优先权： JP2007-268476 20071016
- 国际申请： PCT/JP2008/002847 WO 20081009
- 主分类号： C08J9/16
- IPC分类号： C08J9/16 ; B32B19/00
摘要：
Heat-expandable microspheres include a shell of thermoplastic resin and core material encapsulated in the shell. The core material include a blowing agent having a boiling point not higher than the softening point of the thermoplastic resin and a gas migration inhibitor having a boiling point higher than the softening point of the thermoplastic resin. The ratio of the gas migration inhibitor to the core material is at least 1 weight percent and below 30 weight percent. The average particle size of the heat-expandable microspheres ranges from 1 to 100 micrometers.
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