Acid or anhydride grafted chlorinated polyolefin reacted with mo

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

523436, C08G 814, C08G2592

Patent

active

049978829

ABSTRACT:
Disclosed is an ungelled, modified chlorinated polyolefin resin suitable for providing a highly adherent, solvent resistant film on a thermoplastic polyolefin substrate. The modified chlorinated polyolefin resin is prepared by grafting an unsaturated polycarboxylic acid and/or an unsaturated acid anhydride onto a chlorinated polyolefin resin to form an acid- and/or anhydride-modified chlorinated polyolefin resin. The resulting acid- and/or anhydride-modified chlorinated polyolefin resin is reacted with an organic monohydric alcohol to form an esterified product containing acid functionality. The resulting esterified product is reacted with a polyepoxide to form the ungelled modified chlorinated polyolefin resin.
Also disclosed is a method of preparing an ungelled modified chlorinated polyolefin resin of the invention, a coating composition containing a resin of the invention, and a method of forming a hardened film from the coating composition on a thermoplastic polyolefin substrate.

REFERENCES:
patent: 4683264 (1987-07-01), Urata et al.

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