发明名称 |
HYDROPHOBIC LIGHT STABLE POLYURETHANE ELASTOMER WITH IMPROVED MECHANICAL PROPERTIES |
摘要 |
A hydrophobic polyurethane elastomer is disclosed comprising an isocyanate terminated prepolymer having an isocyanate content ranging from 4 to 12 wt.% NCO comprising the reaction product of: (i) an OH terminated homopolymer of butadiene having molecular weight ranging from 1000 to 4000 and an OH functionality of from 1.9 to 2.1; (ii) an aliphatic or cycloaliphatic diisocyanate; and a diol chain extender having a molecular weight ranging fr om 62 to 400.
|
申请公布号 |
CA2395883(A1) |
申请公布日期 |
2001.07.05 |
申请号 |
CA20002395883 |
申请日期 |
2000.12.20 |
申请人 |
BAYER CORPORATION |
发明人 |
JONSSON, E. HAAKAN;FRANZ, ULI W.;TAYLOR, RONALD P.;HAIDER, KARL W.;CHAN, JACK C. |
分类号 |
C08G18/10;C08G18/69;C08G18/75;(IPC1-7):C08G18/10 |
主分类号 |
C08G18/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|