Resin composition used in coating composition for coating polyol

Details Resin composition used in coating composition for coating polyol Resin composition used in coating composition for coating polyol

1995-11-20

1998-06-30

Zitomer, Fred

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

Synthetic resins

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

428502, 525 64, 525 69, 525157, 525160, 525162, 525163, 525164, C08L 2326, C08L 2336, C08L 6128

Patent

active

057735115

ABSTRACT:
The present invention relates to a coating composition which is excellent in handling and safety, enables the curing of the resultant coating composition at low temperature, and provides an excellent adhesion to polyolefin resin moldings. The coating composition comprises (1) 40-90 wt. % of a grafted and chlorinated polyolefin oligomer obtained by graft polymerizing a vinyl polymerizable monomer to a chlorinated polyolefin, the grafted and chlorinated polyolefin oligomer having a primary or blocked primary hydroxyl group at a position of 15 to 40 atoms away from the vinyl graft polymer chain grafted to the chlorinated polyolefin, a number average molecular weight of 5,000 to 50,000, 0.4 to 2.5 mole/kg-resin of a primary or blocked primary hydroxyl group, 50 to 95 wt. % of said vinyl graft polymer chain, and 5 to 50 wt. % of the chlorinated polyolefin used as a starting material, and (2) 60 to 10 wt. % of an imino-type, methylol-type or complete alkoxy-type melamine resin. The present coating composition can be cured by baking the coating composition at 90.degree. to 120.degree. C.

REFERENCES:
patent: 5587418 (1996-12-01), Sasaki et al.

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