发明授权
- 专利标题: Method of making expandable thermoplastic polymer beads
- 专利标题(中): 制造可膨胀热塑性聚合物珠粒的方法
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申请号: US131047申请日: 1980-03-17
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公开(公告)号: US4368218A公开(公告)日: 1983-01-11
- 发明人: Kenichi Senda , Tatehiko Nishida , Masao Nakagawa
- 申请人: Kenichi Senda , Tatehiko Nishida , Masao Nakagawa
- 申请人地址: JPX Osaka
- 专利权人: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
- 当前专利权人地址: JPX Osaka
- 优先权: JPX54-32680 19790319
- 主分类号: C08J9/22
- IPC分类号: C08J9/22 ; C08F257/02 ; C08F265/04 ; C08J9/16 ; C08J9/224 ; B05D7/00
摘要:
Expandable thermoplastic polymer beads and method of producing same, wherein a core of a polymer of one or more vinyl monomers is substantially surrounded by a layer of a polyolefin comprising one or more vinyl monomers, with a foaming agent contained in at least the core.
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