申请人:Henkel IP & Holding GmbH
公开号:US20170174630A1
公开(公告)日:2017-06-22
Cure accelerators for anaerobic curable compositions, such as adhesives and sealants, are provided, and which are defined with reference to the compounds shown in structure I
where A is CH
2
or benzyl, R is C
1-10
alkyl, R′ is H or C
1-10
alkyl, or R and R′ taken together may form a four to seven membered ring fused to the benzene ring, R″ is optional, but when R″ is present, R″ is halogen, alkyl, alkenyl, cycloalkyl, hydroxyalkyl, hydroxyalkenyl, alkoxy, amino, alkylene- or alkenylene-ether, alkylene (meth)acrylate, carbonyl, carboxyl, nitroso, sulfonate, hydroxyl or haloalkyl, and EWG is as shown, an electron withdrawing group, such as nitro, nitrile, carboxylate or trihaloalkyl.
为氧化还原固化组合物(如胶粘剂和密封剂)提供了用于加速固化的固化催化剂,其定义参考结构I中显示的化合物,其中A为CH2或苄基,R为C1-10烷基,R′为H或C1-10烷基,或者R和R′一起可以形成与苯环融合的四至七元环,R″是可选的,但当R″存在时,R″是卤素、烷基、烯基、环烷基、羟基烷基、羟基烯基、烷氧基、氨基、烷基-或烯基-醚、烷基(甲基)丙烯酸酯、羰基、羧基、亚硝基、磺酸酯、羟基或卤代烷基,以及EWG如所示,是一种电子吸引基团,如硝基、腈基、羧酸盐或三卤代烷基。