| 发明名称 |
VERFAHREN ZUR HERSTELLUNG VON POLYMERTEILCHEN |
| 摘要 |
PCT No. PCT/EP97/03607 Sec. 371 Date Dec. 30, 1998 Sec. 102(e) Date Dec. 30, 1998 PCT Filed Jul. 3, 1997 PCT Pub. No. WO98/01501 PCT Pub. Date Jan. 15, 1998The present invention provides a process for preparing an expandable polymer of a vinyl aromatic monomer and a polar water adsorbing monomer. The monomers are partially polymerized and then suspended in water so that the resulting beads contain from 3 to 40 weight % water which act as the sole or a predominant blowing agent. |
| 申请公布号 |
DE69703159(D1) |
申请公布日期 |
2000.10.26 |
| 申请号 |
DE1997603159 |
申请日期 |
1997.07.03 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V., DEN HAAG |
发明人 |
BERGHMANS, ANGELA;CHORVATH, IGOR;KELEMEN, PETER;NEIJMAN, WILHELMUS;ZIJDERVELD, MARIA |
| 分类号 |
C08J9/20;C08F2/18;C08F2/44;C08F271/02;C08F291/00;C08J9/00;C08J9/16;C08J9/28;C12M1/26;(IPC1-7):C08J9/00 |
主分类号 |
C08J9/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
