发明名称 |
METHOD AND DEVICE FOR PRE- EXPANDING THERMOPLASTIC MICROSPHERES |
摘要 |
The present invention relates to a method of preparing expanded thermoplastic microspheres, comprising charging thermally expandable microspheres into an expansion device (6) comprising rotating feeding means (8) enveloped by a hollow body, and one or more scrapers (9). The invention further relates to an expansion device for expanding thermoplastic microspheres.
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申请公布号 |
KR20050086905(A) |
申请公布日期 |
2005.08.30 |
申请号 |
KR20057010399 |
申请日期 |
2005.06.09 |
申请人 |
AKZO NOBEL N.V. |
发明人 |
SVEDBERG LARS OLOF;HOVLAND GUY;HOLMLUND THOMAS |
分类号 |
B29C44/34;(IPC1-7):B29C44/34 |
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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