C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/5121, 400/54
C09D 5/44 (2006.01) C08G 59/56 (2006.01) C08L 61/06 (2006.01) C08L 63/02 (2006.01) C09D 161/06 (2006.01) C09D 163/02 (2006.01)
Patent
CA 1218488
Abstract of the Disclosure Dispersion based on self-hardening mixtures of A) epoxy resins obtained from diphenylolalkane and epihalohydrin and B) phenolic resins in the form of methylol compounds of substituted polyphenol compounds based on a mixture of substituted and unsubstituted phenols on the one hand and formaldehyde on the other hand, in a weight ratio of A) : B) of from 10 : 90 to 90 : 10, characterised in that the dispersion, which can be deposited by means of bases or electric current, contains a reaction product which has been prepared from an epoxy resin A) with an average molecular weight of from 300 to 30,000 with C) a secondary amine which is thus present in the reaction product as a tertiary amine and is converted into a salt therein with an inorganic or monocarboxylic acid D), the amine C) having been reacted in an amount of from 10 to 100 equivalent-% per epoxy group, whilst the equivalent ratio between the tertiary amine group and the acid is (25 to 200) : 100, process for preparing the dispersion and the use thereof in the production of coatings.
389414
Hesse Wolfgang
Hofmann Klaus
Manz Albrecht
Ritz Jurgen
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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