Unsaturated polyester resin and process

Details Unsaturated polyester resin and process Unsaturated polyester resin and process

1980-07-24

1982-01-19

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525437, 525448, 528297, 528301, 528303, C08G 6376

Patent

active

043118143

ABSTRACT:
This invention relates to an unsaturated polyester resin containing from about 1.5 .times.10.sup.-3 to 1.5.times.10.sup.-2 ether group per gram of resin and having a viscosity of from about 6 to 20 poise measured at 20.degree. C. on a 60% by weight solution thereof in styrene, comprising the condensation reaction product of at least one dibasic acid or corresponding anhydride, at least one of which is a polyol and at least one of which is a saturated linear ether alcohol containing at least one ether group; preimpregnated materials comprising said resin; and to the methods of making such resin.

REFERENCES:
patent: 3838106 (1974-09-01), Shuki et al.
patent: 3923928 (1975-12-01), Atkins et al.
patent: 4003883 (1977-01-01), Fagerburg et al.
patent: 4215032 (1980-07-01), Kobayashi et al.
patent: 4273888 (1981-06-01), Graetz

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