Water-borne coating compositions comprising half esters of anhyd

Details Water-borne coating compositions comprising half esters of anhyd Water-borne coating compositions comprising half esters of anhyd

1992-11-17

1994-12-27

Bleutge, John C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523439, 525117, C08G 5942, C08L 6300, C08L 4300, C08L 3106

Patent

active

053767047

ABSTRACT:
An aqueous coating composition useful for a finish for automobiles and trucks in which the film forming binder comprises a neutralized half-ester product of an acrylic polymer having at least two reactive anhydride groups and an epoxy-containing, optionally silane-containing crosslinker. The composition may be used as a multi-package system. The composition is characterized by improved environmental resistance and excellent clarity and appearance, particularly for clearcoats.

REFERENCES:
patent: 4247439 (1981-01-01), Matthews
patent: 4600737 (1986-07-01), Georgalas
patent: 4871806 (1989-10-01), Shalati
patent: 4906677 (1990-03-01), Barsotti

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