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

1977-02-16

1978-09-19

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 294R, 260856, 260 40R, C08L 6702

Patent

active

041154738

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: RE27279 (1972-01-01), Layman
patent: 3449467 (1969-06-01), Wynstra
patent: 3549577 (1970-12-01), Stromberg
patent: 3842021 (1974-10-01), Grant et al.
patent: 3862072 (1975-01-01), Sekmakas
patent: 3908050 (1975-09-01), Gor
patent: 3954899 (1976-05-01), Chang et al.
patent: 3957709 (1976-05-01), Holzrichter et al.

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