Zero VOC aqueous dispersion of an acid-modified polyolefin and a

Details Zero VOC aqueous dispersion of an acid-modified polyolefin and a Zero VOC aqueous dispersion of an acid-modified polyolefin and a

1996-10-23

1998-09-01

Gulakowski, Randy

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 64, 525 74, 525 78, 525221, C08K 320

Patent

active

058012192

ABSTRACT:
An acid-modified polyolefin is dispersed in water by adding a hydroxy-functional ester made from a polymeric acid and a monoepoxide having from 14 to 46 carbon atoms to the water. Said dispersion is substantially zero-VOC. When a composition of this invention is applied to the surface and cured by baking the article at an elevated temperature, a coating is obtained which improves the adherence of subsequent coatings to a polyolefinic article. A polyolefinic article is one having a surface comprising polypropylene or a polypropylene modified with rubber called a thermoplastic polyolefin (TPO).

REFERENCES:
patent: 4446258 (1984-05-01), Chu et al.
patent: 4528329 (1985-07-01), Inoue et al.
patent: 4789568 (1988-12-01), Matoba et al.
patent: 5017651 (1991-05-01), Tomita et al.
patent: 5449706 (1995-09-01), Iwase et al.
patent: 5633091 (1997-05-01), Harris et al.

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