发明名称 |
Polymeric shaped articles |
摘要 |
A shaped polymeric article of a gel-polymerisate of a homogeneous mixture comprising A. FROM 5% TO 95% BY WEIGHT OF POLYURETHANE PRECURSORS COMPRISING AT LEAST ONE POLYFUNCTIONAL COMPOUND AND AT LEAST ONE POLYISOCYANATE OF THE STRUCTURE <IMAGE> I where X is a divalent radical, preferably -CH2-, said precursors being capable of forming a cross-linked polyurethane having a glass-rubber transition temperature of at least 25 DEG C, preferably at least 35 DEG C, and B. FROM 95% TO 5% BY WEIGHT OF CURED POLYESTER RESIN PRECURSORS, COMPRISING I. AT LEAST ONE ETHYLENICALLY UNSATURATED POLYESTER, AND II. AT LEAST ONE VINYL MONOMER.
|
申请公布号 |
US4062826(A) |
申请公布日期 |
1977.12.13 |
申请号 |
US19760647890 |
申请日期 |
1976.01.09 |
申请人 |
IMPERIAL CHEMICAL INDUSTRIES LIMITED |
发明人 |
HUTCHINSON, FRANCIS GOWLAND;HENBEST, RICHARD GEORGE CLEVELAND;LEGGETT, MARGARET KENLEY |
分类号 |
C08G18/40;C08G18/68;C08L75/04;(IPC1-7):C08L75/06 |
主分类号 |
C08G18/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|