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公开(公告)号：US09670145B2
公开(公告)日：2017-06-06
申请号：US15300988
申请日：2014-08-29
IPC分类号： C07C253/30 , C07D307/12 , C07C67/343 , C07F7/08
CPC分类号： C07C253/30 , C07C67/343 , C07C2601/14 , C07C2601/16 , C07D307/12 , C07F7/081 , C07C255/23 , C07C69/593
摘要： The present invention relates to a process for preparing 1,1-disubstituted ethylene monomers having general formula (I) from a compound of general formula (II) and an active methylene compound of general formula (III) using a catalytic amount of an ammonium or iminium a salt in homogeneous phase or supported on a solid substrate. Said process allows the direct synthesis of the monomers and finds application in the preparation of a wide variety of monomers. The products obtained are reactive monomers of high purity which find application in the field of fast curing adhesives.
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公开(公告)号：US10144851B2
公开(公告)日：2018-12-04
申请号：US15027302
申请日：2014-10-22
IPC分类号： B29C73/00 , B32B43/00 , C09J4/00 , C09J101/00 , C09J201/00 , B29C65/00 , B32B37/00 , C08F8/30 , C08L39/00 , B05D3/00 , B32B3/26 , C08F265/08 , C08F267/08 , C08F20/00 , C08F22/30 , C08F22/36 , C08F120/00 , C08F122/30 , C08F122/36 , C04B28/18 , C08F122/32 , C09J5/00 , C09J11/04 , B32B37/12 , B29C65/48 , B29C73/02 , C08F222/32 , C08K3/34 , C04B103/00 , C04B103/10 , C04B103/44 , C04B111/00
摘要： The present invention relates to a cyanoacrylate composition having a heterogeneous curing initiator which is a hydrated calcium silicate. The composition is suitable for repairing and filling depressions, cracks, or holes in a substrate or between substrates to be bonded. It also relates to an adhesive comprising said composition, to a syringe containing it, to a method for bonding substrates, to the use of said composition, and to the use of said hydrated calcium silicate as curing agent for cyanoacrylate compositions.
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