Sprayable high solids polyester resin compositions

Details Sprayable high solids polyester resin compositions Sprayable high solids polyester resin compositions

1980-06-18

1982-06-01

Griffin, Ronald W.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525443, 528305, 528308, 428480, 428482, 524604, C09D 352, C09D 364, C09D 366

Patent

active

043327010

ABSTRACT:
There are disclosed thermosettable polyester resins which are the reaction products of specified amounts of a benzenedicarboxylic acid component (e.g.: 1,3-benzenedicarboxylic acid), a trihydroxy alkyl component (e.g.: 2-ethyl-2-(hydroxymethyl)-1,3-propanediol), a short chain alkylene diol component having four or fewer carbon atoms in the primary carbon chain between the hydroxyl moieties (e.g.: 2,2-dimethyl-1,3-propanediol), a dihydroxy alkyl constituent having four to ten carbon atoms in the primary carbon chain between the hydroxyl moieties (e.g.: 1,6-hexanediol), and a monocarboxylic acid component (e.g.: benzoic acid). Such polyesters, having a number average molecular weight of from about 400 to about 1600 and a combined acid and hydroxyl number of about 50 to about 250 milligrams of KOH per gram of polyester, are found to be especially useful in high solids content coating formulations.

REFERENCES:
patent: 1141944 (1915-06-01), Dawson
patent: 1888849 (1932-11-01), Dawson
patent: 2979474 (1961-04-01), Heinrich et al.
patent: 4197353 (1980-04-01), Tobias et al.
patent: 4229555 (1980-10-01), Tobias et al.
patent: 4238583 (1980-12-01), Tobias et al.

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