Process for the production of a hydroxyl group containing .epsil

Details Process for the production of a hydroxyl group containing .epsil Process for the production of a hydroxyl group containing .epsil

1981-07-17

1983-01-11

Nielsen, Earl A.

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

Synthetic resins

From carboxylic acid or derivative thereof

526320, 528354, 528357, 528 81, 525374, C08G 6308, C08F21802

Patent

active

043683207

ABSTRACT:
Acrylate and methacrylate resins containing hydroxyl groups and modified by .epsilon.-caprolactone are produced by producing an adduct of a hydroxyalkylacrylate or methacrylate and .epsilon.-caprolactone in a first step and then in a second step radically copolymerizing this product with further acrylic acid or methacrylic acid esters and optionally vinyl aromatics in a suitable varnish solvent. The thus obtained copolymerizate solutions after addition of a polyvalent isocyanate are used to produce coatings on substrates and give a baked on lacquer coating with outstanding adhesion to the base.

REFERENCES:
patent: 4005155 (1977-01-01), Sampson et al.
patent: 4082816 (1978-04-01), Fisk et al.
patent: 4245076 (1981-01-01), Marquardt

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