Water-soluble or water-dispersible resinous salts, their...

Details Water-soluble or water-dispersible resinous salts, their... Water-soluble or water-dispersible resinous salts, their...

C - Chemistry, Metallurgy

08

G

117/183, 402/44,

C08G 59/14 (2006.01) C07F 9/38 (2006.01) C08G 14/04 (2006.01) C08G 14/06 (2006.01) C08G 14/14 (2006.01) C09D 5/44 (2006.01)

Patent

CA 1215074

WATER-SOLUBLE OR WATER DIPERSIBLE RESINOUS SALTS, THEIR PREPARATION, AND THEIR USE IN COATINGS ABSTRACT Water-soluble or water-dispersible resinous salts of the formula Image (I) are prepared by 'tipping' an epoxy resin with a phenol, then carrying out a Mannich reaction with an aldehyde (usually formaldehyde) and an aminosulphonic or aminophosphonic acid, followed by salt formation on the free acid groups, preferably using an aliphatic amino alcohol, e.g., 2-dimethylaminopropan-1-ol. Such salts may be crosslinked by heating in the presence of an amino- plast, a phenol-formaldehyde resin or a blocked polyisocyanate or, when the salts contain free methylol groups, by heating alone. They can be used for preparing coating compositions.

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