CURING EPOXIDE RESIN WITH BORON TRICHLORIDE-AMINE COMPLEX

摘要

1346768 Curing epoxy resins CIBA-GEIGY (UK) Ltd 21 July 1971 [11 Aug 1970] 38647/70 Heading C3B A curable composition comprises: (I) an epoxy resin and (II) a complex BCl 3 .NRSP1/SPRSP2/SPRSP3/SP in which either (a) RSP1/SP, RSP2/SP and RSP3/SP together with the indicated N atom form a 5- or 6-membered heterocyclic ring or (b) RSP1/SP and RSP2/SP are both methyl and RSP3/SP is C 6-18 alkyl or aralkyl. Examples of II are complexes of BCl 3 with pyridine, benzyldimethylamine or n-octyldimethylamine. From 0À1-10 parts by wt. of II may be used per 100 parts by wt. of I.