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