申请人:Ciba-Geigy Corporation
公开号:US04699949A1
公开(公告)日:1987-10-13
Compounds of formula I or II ##STR1## in which n is 1 or 2, R.sup.1 is phenyl, substituted phenyl, alkyl, substituted alkyl, hydrogen, --OH or amino, R.sup.2 is hydrogen, R.sup.3 is hydrogen, alkyl, substituted alkyl, phenyl or substituted phenyl, R.sup.4 is alkyl, phenyl, substituted phenyl, alkylene or arylene, X is --O--, --S--, --CH.sub.2 -- and Y is a direct bond or --CH.sub.2 -- are latent hardening catalysts for acid curable resins. The catalysts are activated by heat and are used in heat-hardening high-solids industrial varnishes and for coil-coatings, can and wood varnishes.
式I或II的化合物##STR1##其中n为1或2,R.sup.1为苯基,取代苯基,烷基,取代烷基,氢,-OH或氨基,R.sup.2为氢,R.sup.3为氢,烷基,取代烷基,苯基或取代苯基,R.sup.4为烷基,苯基,取代苯基,烷基或芳基烷基,X为-O-,-S-,-CH.sub.2-,Y为直接键或-CH.sub.2-,是酸可固化树脂的潜在固化催化剂。这些催化剂通过加热激活,并用于加热硬化高固体含量的工业清漆和用于线圈涂料、罐头和木器清漆。