申请人:Ciba-Geigy Corporation
公开号:US05470896A1
公开(公告)日:1995-11-28
Solutions of accelerator systems comprising a binary system comprising a) 10 to 90% by weight of a salt of formula I [Me].sub.m.sup.x.sym. [R].sub.n.sup.y.crclbar. (I), wherein x and y are the respective number of charges and m and n are each a number 1, 2, 3 or 4, Me is a metal atom and R is the radical of an alcohol, phenol or thiophenol or of a carboxylic acid or thiocarboxylic acid, or 10 to 90% by weight of a salt of formula II [Me.sub.1 ].sub.m.sup.x.sym. [A].sub.n.sup.y.crclbar. (II), with an organic complex former containing one or more hetero atoms having free electron pairs, wherein Me.sub.1 is a metal atom or a group of the formula N(R.sub.1).sub.4, S(R.sub.1).sub.3 or P(R.sub.1).sub.4 wherein each R.sub.1 independently of the others is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, A is any anion and x, y, m and n are as defined above, and b) 90 to 10% by weight of an organic solvent containing at least one --OH, --OR.sub.1, --COOH, --COOR.sub.1, --COR.sub.1 or --CON(R.sub.1).sub.2 group wherein R.sub.1 is hydrogen, an unsubstituted or substituted C.sub.1 -C.sub.6 alkyl or aryl radical, are storage-stable with respect to temperature and time and do not precipitate, and the use thereof, for example for accelerating the hardening of epoxy resin/amine combinations, the drying times being in the range of about 15 to 40 minutes.
加速器系统的解决方案包括二元体系,其中包括a)重量占10%至90%的公式I [Me] .sub.m.sup.x.sym. [R] .sub.n.sup.y.crclbar.(I)的盐,其中x和y分别是电荷数,m和n是1、2、3或4的数字,Me是金属原子,R是醇,酚或硫酚或羧酸或硫代羧酸的基团,或重量占10%至90%的公式II [Me.sub.1] .sub.m.sup.x.sym. [A] .sub.n.sup.y.crclbar.(II)的盐,与含有一个或多个具有自由电子对的杂原子的有机络合剂,其中Me.sub.1是金属原子或公式N(R.sub.1).sub.4,S(R.sub.1).sub.3或P(R.sub.1).sub.4的基团,其中每个R.sub.1独立于其他人是氢,未取代或取代的C.sub.1-C.sub.6烷基或芳基基团,A是任何阴离子,x,y,m和n如上所定义,b)重量占90%至10%的有机溶剂,其中至少含有一个-OH,-OR.sub.1,-COOH,-COOR.sub.1,-COR.sub.1或-CON(R.sub.1).sub.2基团,其中R.sub.1是氢,未取代或取代的C.sub.1-C.sub.6烷基或芳基基团,对于温度和时间具有储存稳定性且不沉淀,其用途,例如用于加速环氧树脂/胺组合物的固化,干燥时间在约15至40分钟之间。