| 发明名称 |
POLYUREA COMPOSITIONS AND METHODS OF USE |
| 摘要 |
Disclosed are polyurea compositions comprising the reaction products of a polyformal-isocyanate prepolymer and a curing agent comprising an amine. The compositions are useful as sealants in aerospace applications. |
| 申请公布号 |
US2014171587(A1) |
申请公布日期 |
2014.06.19 |
| 申请号 |
US201414184772 |
申请日期 |
2014.02.20 |
| 申请人 |
PRC-DeSoto International, Inc. |
发明人 |
Hobbs Steven J.;Cai Juexiao;Ito Marfi;Lin Renhe |
| 分类号 |
C09D175/04 |
主分类号 |
C09D175/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A composition comprising a polyformal-isocyanate prepolymer, wherein the polyformal-isocyanate prepolymer comprises the reaction products of reactants comprising a polyformal polyol and 4,4′-methylene dicyclohexyl diisocyanate; wherein the polyformal polyol comprises a polyformal polyol having the structure of Formula (18): wherein w is selected from an integer from 2 to 50; and each R3 is ethane-1,2-diyl.
|
| 地址 |
Sylmar CA US |
