| 发明名称 |
Method for the preparation of a poly(arylene ether), and related compositions |
| 摘要 |
A method for preparing a poly(arylene ether) with a reduced level of powder fines is described. In one embodiment, the method comprises oxidatively coupling a monohydric phenol in the presence of a solvent and a complex metal catalyst, to produce a poly(arylene ether) resin; and then removing a portion of the solvent to produce a concentrated solution having a cloud point T<SUB>cloud</SUB>. The concentrated solution is then combined with an anti-solvent to precipitate the poly(arylene ether) in the form of a precipitation mixture. The concentrated solution usually has a temperature of at least about (T<SUB>cloud</SUB>-10° C.) immediately before it is combined with the anti-solvent. The precipitation mixture has a temperature of at least about (T<SUB>cloud</SUB>-40° C.) after its formation. Related poly(arylene ether) copolymers are also described.
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| 申请公布号 |
US2006069229(A1) |
申请公布日期 |
2006.03.30 |
| 申请号 |
US20040953723 |
申请日期 |
2004.09.29 |
| 申请人 |
INGELBRECHT HUGO G E;KRUGLOV ALEXEY;SCHOENMAKERS GERT-JAN |
发明人 |
INGELBRECHT HUGO G.E.;KRUGLOV ALEXEY;SCHOENMAKERS GERT-JAN |
| 分类号 |
C08G65/38;C08F6/00 |
主分类号 |
C08G65/38 |
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