发明名称 |
A METHOD AND A DEVICE FOR PREPARATION OF EXPANDED THERMOPLASTIC MICROSPHERES |
摘要 |
The invention relates to a method of preparing expanded thermoplastic microspheres from thermally expandable thermoplastic microspheres comprising a polymer shell encapsulating a foaming agent, the method comprising heating the expandable microspheres within a flexible container (2) to effect expansion of said microspheres and withdrawing gas from said flexible container (2). The invention further relates to an expansion device for preparing such expanded thermoplastic microspheres. |
申请公布号 |
EP2892702(B1) |
申请公布日期 |
2016.08.31 |
申请号 |
EP20130758846 |
申请日期 |
2013.09.04 |
申请人 |
AKZO NOBEL CHEMICALS INTERNATIONAL B.V. |
发明人 |
SVEDBERG, LARS-OLOF;AJDÉN, PER |
分类号 |
B29C44/34;B29K67/00;B29K77/00;B29K105/00;B29K105/04;C08J9/00;C08J9/228 |
主分类号 |
B29C44/34 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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