Polyol intermediate, polyesters made therefrom, and polyester co

Details Polyol intermediate, polyesters made therefrom, and polyester co Polyol intermediate, polyesters made therefrom, and polyester co

1978-04-17

1979-05-01

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528302, 560 90, C08G 6318

Patent

active

041525124

ABSTRACT:
There is provided a polyol intermediate that is the reaction product of neopentyl glycol with dimethyl glutarate in a 2:1 molar ratio. This reaction product is polyesterified with a phthalic acid reactant and neopentyl glycol to form a polyester resin. The resultant resin is admixed with an aminoplast and reduced to about 60-75 weight percent solids content with an aromatic hydrocarbon or a mixture of aromatic hydrocarbons to produce a thermosetting coating composition for metal substrates. Films made from this coating composition are hard and tough. They have excellent fabrication characteristics, high reverse impact resistance and excellent flexibility properties and solvent resistance.

REFERENCES:
patent: 3842021 (1974-10-01), Grant et al.
patent: 3908050 (1975-09-01), Gor
patent: 3954895 (1976-05-01), Chang et al.
patent: 3957709 (1976-05-01), Holzrichter et al.
patent: 4072662 (1978-02-01), VAN DER Linde et al.

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