Coating composition, in particular for producing a transparent t

Details Coating composition, in particular for producing a transparent t Coating composition, in particular for producing a transparent t

1984-06-14

1986-01-21

Bleutge, John C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

525125, 4274071, 4273855, C08F 830, B05D 136

Patent

active

045657300

ABSTRACT:
A coating composition, in particular for producing the transparent topcoat of a multilayer coating. The coating composition contains as binders two acrylic polymers, A and B, as well as aliphatic and/or cycloaliphatic polyisocyanates. Acrylic polymer A has a molecular weight of 800 to 4,000, a hydroxyl number of 80 to 180 and a glass transition temperature of below -10.degree. C. Acrylic polymer B has a molecular weight of 3,000 to 10,000, a hydroxyl number of 40 to 120 and a glass transition temperature of -10.degree. C. to +10.degree. C. Whereas in acrylic polymer A the proportion of acrylic acid esters predominates, polymer B contains methacrylic acid esters as predominant monomer components.

REFERENCES:
patent: 3249463 (1966-05-01), Carlee
patent: 3773710 (1973-11-01), Victorius
patent: 4315053 (1982-02-01), Poth et al.
patent: 4391858 (1983-07-01), Batzill
patent: 4413084 (1983-11-01), Horvath
patent: 4415697 (1983-11-01), Peng et al.

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