发明名称 |
CHEMICAL PRODUCT AND METHOD |
摘要 |
The invention relates to thermally expandable microspheres comprising a thermoplastic polymer shell and a propellant entrapped therein, wherein said polymer shell is made of a homo- or co-polymer from ethylenically unsaturated monomers comprising more than 85 wt% of nitrile containing monomers and said propellant comprises more than 50 wt% of isooctane. The invention further relates to preparation and use of expandable microsperes, a composition comprising expandable microspheres and articles comprising foamed material containing expanded microspheres. |
申请公布号 |
EP1289643(A1) |
申请公布日期 |
2003.03.12 |
申请号 |
EP20010924044 |
申请日期 |
2001.03.28 |
申请人 |
AKZO NOBEL N.V. |
发明人 |
KRON, ANNA;SJOEGREN, PETER;BJERKE, ODD |
分类号 |
C08J9/32;B01J13/02;B01J13/14;B01J13/18;C08F2/44;C08F20/42;C09K3/00 |
主分类号 |
C08J9/32 |
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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