Catalyst-free single-component coating agent and use thereof for

Details Catalyst-free single-component coating agent and use thereof for Catalyst-free single-component coating agent and use thereof for

1994-04-29

1995-05-16

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525301, 525302, 525426, 525530, C08L 6302

Patent

active

054161363

ABSTRACT:
A catalyst-free single-component coating agent containing (A) one or more compounds acting as cross-linking agents and with on average at least two CH-azide hydrogen atoms, (B) one or more (meth)acrylate copolymers, polyester resins and/or polyurethane resins capable of Michael addition, with .alpha., .beta.-unsaturated groups bonded via carbonyl, carboxyl and/or carboxylic amide groups, a C.dbd.C equivalent weight of 85-1800 and a weight average molecular weight of 170-50000. The equivalent ratio of A to B is 2:1 to 1:2. The coating agent contains solvents and conventional lacquer additives, and optionally contains water, pigments and/or fillers. It results in particularly acid-resistant coatings and is particularly suitable for producing covering lacquer and clear lacquer coatings in the motor-vehicle sector.

REFERENCES:
patent: 5159024 (1992-10-01), Brindopke et al.
patent: 5169979 (1992-12-01), Kubillus et al.
March, "Advanced Org. Chem.", 1977, p. 1005.

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