Patent · US Expired

Plastic primer coating of eva, chlorinated polyolefin and epoxy resin

US5412000A · kind A · utility

7Cited by

1References

5Claims

0Family size

Assignee

Herberts Gesellschaft mit beschrankter Haftung · DE

Inventors

Udo Hellmann · Remscheid, DE
Werner Stephan · Wuppertal, DE
Fritz Sadowski · Pulheim, DE

Key dates

Filing date	Mar 17, 1994
Grant date	May 2, 1995
Priority date	—
Expiry date	Mar 17, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31511
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A coating and primer composition suitable as a primer for plastics such as a polyolefin which comprises: a) from about 1 to 5% by weight of ethylene/vinyl acetate copolymers, b) from about 0.5 to 5% by weight of chlorinated polyolefins, c) from about 0.01 to 5% by weight of an epoxy resin; and d) from about 85 to 98.49% by weight of an organic solvent, and optionally paint auxiliaries, pigments and/or fillers. A method of priming plastic surfaces of an object, especially polyolefins, and particularly polypropylene, is also provided which comprises applying the aforesaid composition to a plastic surface and drying the same prior to applying paint or finish coating.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.