Coating compositions containing alkenyl phenol-aldehyde resins and structures prepared therefrom

Claim 1

A COMPOSITION WHICH CAN BE SPREAD UPON METAL AND BAKED TO A CLEAR, LIGHT-COLOURED FILM, SAID COMPOSITION COMPRISING A MIXTURE OF (1) A RESINOUS CONDENSATION PRODUCT OF AN ALDEHYDE CONTAINING ONLY ATOMS OF CARBON, HYDROGEN AND OXYGEN, WITH A MIXTURE OF ALKENYLPHENOLS CONTAINING AT LEAST 4 CARBON ATOMS IN EACH ALKENYL RADICAL. SAID MIXTURE BEING OBTAINED BY THE REACTION OF AN ACYCLIC CONJUGATED DIENE WITH A PHENOL IN THE PRESENCE OF A FRIEDEL-CRAFTS CATALYST, AND CONSISTING PREDOMINANTLY OF ORTHO-AND PARAMONOALKENYLPHENOLS, WHICH RESINOUS CONDENSATION PRODUCT HAS BEEN REFLUXED WITH AN ALKANOL IN AN ACIDIC REACTION MEDIUM, AND (2) A MEMBER OF THE CLASS CONSISTING OF COPOLYMERS OF A VINYL HALIDE AND A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID CONTAINING NO MORE THAN 6 CARBON ATOMS, SAID VINYL HALIDE BEING PRESENT IN AN AMOUNT OF ABOUT 50 PERCENT TO 95 PERCENT BY WEIGHT, SAID COPOLYMER CONTAINING IN THE COPOLYMER CHAIN ABOUT 1 PERCENT TO 3 PERCENT OF A CARBOXYL COMPONENT, AND COPOLYMERS OF A VINYL HALIDE AND A VINYL ESTER OF A SATURATED ALIPHATIC MONOCARBOXYLIC ACID CONTAINING NO MORE THAN 6 CARBON ATOMS, SAID VINYL HALIDE BEING PRESENT IN AN AMOUNT OF ABOUT 50 PERCENT TO 95 PERCENT BY WEIGHT, SAID COPOLYMER CONTAINING IN THE COPOLYMER CHAIN FROM ABOUT 1 PERCENT TO 3 PERCENT OF A HYDROXYL COMPONENT, THE RESINOUS CONDENSATION PRODUCT (1) IN SAID COMPOSITION BEING PRESENT IN AN AMOUNT OF FROM 5 PERCENT TO 35 PERCENT BY WEIGHT.