Metal fixative in automative paint

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524523, 524527, C08K 308

Patent

active

045393605

ABSTRACT:
An improved coating composition containing chlorinated polyolefin to provide superior orientation of metallic pigment flakes in the coating. The invention is particularly useful in the pigmented base coat of a base coat-clear coat coating since it permits the use of a thinner base coat which, because of the improved orientation of the metallic pigment flakes, provides superior hiding or masking of the coated substrate.
The coating composition comprises a solvent, a film forming resin selected from the group consisting of acrylic, alkyd, polyester and polyurethane resins, a uniformly dispersed pigment and a chlorinated polyolefin. The multilayer coating composition comprises a base coat comprising a film forming resin selected from the group consisting of acrylic, alkyd, polyester and polyurethane in a solvent, a uniformly dispersed pigment and a chlorinated polyolefin, and a topcoat comprising a transparent coating composition deposited on said basecoat, said topcoat comprising a second film-forming resin selected from the group consisting of acrylic, alkyd polyester and polyurethane resin dispersed in a volatile organic solvent.

REFERENCES:
patent: 2468480 (1949-04-01), Bradley, Jr.
patent: 2980638 (1961-04-01), Polovina
patent: 3676391 (1972-07-01), De Ross
patent: 4273894 (1981-06-01), Mucke et al.
Delmonte; Metal-Filled Plastics; Reinhold Plastics Applications Series; 1961; pp. 59-61; Sci. Lib., TA 455 P 55D45.

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