发明名称 |
Curing agents |
摘要 |
The invention relates to a resin curing agent having the formula (I), wherein R1 to R4 are each individually selected from linear or branched C1 to C5 alkyl, a process for its manufacture, blends of the reaction products, and two-component curable resin systems.; |
申请公布号 |
US8986825(B2) |
申请公布日期 |
2015.03.24 |
申请号 |
US201113579230 |
申请日期 |
2011.03.01 |
申请人 |
Hexcel Composites Limited |
发明人 |
Mortimer Steve;Patel Neal;Cawse John |
分类号 |
B32B27/38;B32B5/02;C08L63/00;C08G59/50;C07C211/56 |
主分类号 |
B32B27/38 |
代理机构 |
|
代理人 |
Bielawski W. Mark;Oldenkamp David J. |
主权项 |
1. A process of preparing a curing agent composition comprising reacting Aniline A and Aniline Bin an acidic medium comprising formaldehyde or compounds that form formaldehyde to form a curing agent composition comprising a hybrid methylene bis-aniline of Aniline A and Aniline B, a methylene bis-aniline of Aniline A and a methylene bis-aniline of Aniline B, wherein the hybrid methylene bis-aniline is represented by the following formula I: wherein R1 to R4 are each individually selected from linear or branched C1 to C5 alkyl. |
地址 |
Cambridge GB |