申请人:ALBEMARLE CORPORATION
公开号:EP0484572A1
公开(公告)日:1992-05-13
Novel aromatic diamines which are useful as chain extenders for urethane and urea polymers are compounds corresponding to the formula:
wherein two of the R, R', and R'' substituents are alkyl groups containing 1-6 carbons and the other substituent is a hydrocarbylthio group containing 1-6 carbons.
可用作聚氨酯和脲聚合物扩链剂的新型芳香族二胺是与式子相对应的化合物:
其中两个 R、R'和 R'''取代基是含 1-6 个碳原子的烷基,另一个取代基是含 1-6 个碳原子的烃硫基。