Light-colored unsaturated polyester resins containing at least 2

Details Light-colored unsaturated polyester resins containing at least 2 Light-colored unsaturated polyester resins containing at least 2

1978-05-24

1979-11-20

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528297, 528298, 528303, 528306, C08G 6352, C08G 6368

Patent

active

041750721

ABSTRACT:
Light-colored unsaturated polyester resins containing at least 2% by weight bromine can be prepared by using at least a portion of the glycol ingredient dibromo neopentyl glycol and by using from 5 to 85 mol percent of tetrahydrophthalic acid or anhydride or endomethylene tetrahydrophthalic acid or anhydride.

REFERENCES:
patent: 3546176 (1970-12-01), Umfreville
patent: 3585254 (1971-06-01), Buck
patent: 3640964 (1972-02-01), Stewart et al.
patent: 3642944 (1972-02-01), Abbott
patent: 3784500 (1974-01-01), Gibbons
patent: 3891605 (1975-06-01), Larsen et al.
patent: 3937756 (1976-02-01), Klein et al.

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