Cross-linkable polymer resins and use thereof as binders for coa

Details Cross-linkable polymer resins and use thereof as binders for coa Cross-linkable polymer resins and use thereof as binders for coa

1985-07-18

1987-01-27

Pertilla, Theodore E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526227, 5263171, 526318, 5263182, 52631844, 5263186, C08F23800, C08F22004

Patent

active

046394990

ABSTRACT:
The present invention is directed to cross-linkable, hydroxyl group-containing polymer resins which are obtained by copolymerizing olefinically-unsaturated monomers and are suitable as binder components for lacquers, the polymer resins having a hydroxyl number of about 20 to 400, an average osmometrically-determined molecular weight of about 500 to 30,000 and a molecular inhomogeneity U of about 0.5 to 15, characterized in that they contain about 0.2 to 80% by weight, preferably about 10 to 70% by weight, based on the total weight of the copolymers, of incorporated monomers selected from olefinically- and acetylenically-unsaturated aliphatic diols having 4 carbon atoms, the ether group-containing alkoxylation products thereof with a hydroxyl number of about 50 to 900, the reaction products of these diols with .epsilon.-caprolactone in a mol ratio of diol:-caprolactone of about 1:0.2 to 1:10 and any mixtures of these components.
The present invention is also directed to the use of the above polymer resins as binders for coating compositions.

REFERENCES:
patent: Re30234 (1980-03-01), Sampson et al.
patent: 3002959 (1961-10-01), Hicks
patent: 3268484 (1966-08-01), Costanza et al.
patent: 3375227 (1968-03-01), Hicks
patent: 4264755 (1981-04-01), Cross

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