| 摘要 |
There is disclosed a self-dispersing curable epoxy resin composition comprising the addition product of reactants comprising (a) 1.0 reactive equivalent of an epoxy resin, (b) from about 0.40 to 0.95 reactive equivalents of a polyhydric phenol, and (c) from about 0.005 to 0.5 reactive equivalents of an amine-epoxy adduct comprising the addition product of reactants comprising 1.0 reactive equivalent of a polyepoxide and from about 0.3 to 0.9 reactive equivalents of a polyoxyalkyleneamine having the structural formula:R1-O-R2-CH2CH(R3)-X-R4-NH2wherein: R1 designates a monovalent organic radical selected from the group consisting of C1 to C12 aliphatic, alicyclic or aromatic hydrocarbons, and R2 represents a polyoxyalkylene chain having the structural formula:(CH2-CH2-O)a-(CH2-CH(R5)-O)b wherein: R5 is a monovalent organic radical selected from the group consisting of C1 to C4 aliphatic hydrocarbons, 'a' designates a number of ethoxy groups (CH2-CH2-O), 'b' designates a number of monosubstituted ethoxy groups (CH2-CH(R5)O) where the substitution of one monosubstituted ethoxy group is independent from the substitution of any other monosubstituted ethoxy group in the polyoxyalkylene chain, the sum of 'a' and 'b' is equal to or greater than 10 but less than or equal to 200, and where the sequence of ethoxy and monosubstituted ethoxy groups within a polyoxyalkylene chain may be completely random and/or there may be blocks of ethoxy and/or monosubstituted ethoxy groups, and R3 designates H or a monovalent organic radical selected from the group consisting of C1 to C4 aliphatic hydrocarbons. R4 designates aliphatic, cycloaliphatic or aromatic radical containing 6 to 18 carbon atoms and X is OC(O)NH.
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