Coating agents and the use thereof in processes for the producti

Details Coating agents and the use thereof in processes for the producti Coating agents and the use thereof in processes for the producti

1995-06-19

1997-09-02

Clark, W. Robinson H.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525174, 525176, 525177, 525450, 525451, 525519, C08L 6702, C08L 6704, C08L 6128, C08L 3302

Patent

active

056632339

ABSTRACT:
A solvent based coating composition containing a binding agent, the binding agent comprising: (a) 10 to 80 wt.% of at least one hydroxyfunctional polyester formed by reacting a mixture comprising: (i) 10 to 40 mol.% of a 2,2-dialkylalkanediol with two primary OH groups; (ii) 10 to 30 mol.% of a polyol with at least one secondary OH group; (iii) 20 to 50 mol.% of an aliphatic or cycloaliphatic dicarboxylic acid with fewer than 16 C atoms or anhydrides thereof; (iv) 5 to 30 mol.% of a compound selected from the group consisting of dimeric fatty acids, dimeric diols, epsilon-caprolactone, and mixtures thereof; (v) 1 to 15 mol.% of a hydroxycarboxylic acid with at least one hydroxy group and at least one carboxyl group; and (b) 10 to 80 wt.% of a (meth)acrylic copolymer containing a hydroxyl group; and (c) 10 to 60 wt.% of a crosslinking agent; wherein the sum of the wt.% of components (a)-(c) is 100% of the binding agent.

REFERENCES:
patent: 3994851 (1976-11-01), Bederke et al.
Derwent English Abstract, WPI Acc. No. 78-87843A/49 corresponding to DE 2822448 C2 Aug. 9, 1990.
Derwent English Abstract, WPI Acc. No. 82-92894E/44 corresponding to DE 3114688 A1 Apr. 10, 1981.
Derwent English Abstract, WPI Acc. No. 92-049974/07 corresponding to WO 92/02590 Feb. 20,1992.
Derwent English Abstract, WPI Acc. No. 92-175963/22 corresponding to DE 4036379 A1 Nov. 15, 1990.

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