Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1977-12-30
1980-02-19
Ziegler, J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
156172, C08L 6706
Patent
active
041894529
ABSTRACT:
A polyester resin composition is disclosed. The composition consists essentially of a blend of a diethylene glycol:neopentyl glycol:maleic:isophthalic acid polyester and a propylene glycol:isophthalic acid:maleic polyester, together with a copolymerizable monomer in an amount sufficient for reaction with the polyester blend to produce a thermoset article. In a preferred disclosed composition, the blend is composed from about 5 to 15 percent by weight of the diethylene glycol polyester and from about 95 to 85 percent of the propylene glycol polyester, together with from 35 to 45 percent by weight of styrene as a copolymerizable monomer, based upon the weight of the polyester blend and styrene.
REFERENCES:
patent: 3232893 (1966-02-01), Salgado et al.
patent: 3736278 (1973-05-01), Wada et al.
patent: 3898144 (1975-08-01), Rudolph et al.
Butt Frederick A.
Haddad George N.
Cloutier Philip R.
Owens-Corning Fiberglas Corporation
Purdue John C.
Wilkens James B.
Ziegler J.
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