Low shrink hybrid resins

Details Low shrink hybrid resins Low shrink hybrid resins

1987-08-03

1989-04-18

Short, Patricia

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 25, 525 27, 525 28, 525 36, 273 26B, 273 63G, C08G 6706

Patent

active

048228494

ABSTRACT:
Unsaturated polyester compositions comprising (a) an unsaturated polyester prepolymer and (b) a vinyl monomer copolymerizable with the prepolymer, which are cured by addition of (c) a polyisocyanate, (d) a peroxide catalyst and, optionally, (e) a peroxide activator and a urethane catalyst.

REFERENCES:
patent: 3007894 (1961-11-01), Bunge
patent: 3318727 (1967-05-01), Boenig
patent: 3849367 (1974-11-01), Mayer
patent: 4595725 (1986-07-01), Hess
Thompson, E. J. et al, Isayanate Thickened Sheet Molding Compound, 37th Annual Conf, Reinforced Plastics/Composite Inst., The Society of Plastics Ind. (1982), pp. 1-6.
Chem Abst 68:3541s (1968), Polyester Resin Modified by Isocyanate.
Chem Abst 68:115428s (1968) Crosslinked Polyesters.
Chem Abst 66:38420u (1967).
Edwards, H. R., High Performance Urethane Modified Unsaturated Polyesters, British Plastics Fed. (1984) pp. 37-45.
Hybrid Resins, Amoco Chemical Corp. (no date).
Edwards, H. R., The Use of Isophthalic Unsaturated Polyester Urethane Hybrid s in Conventional molding Techniques, SPE 44th Annual Tech. Conf. & Exhibit (1986) pp. 1326-1330.
Edwards, H. R., Handling & Physical Properties of Hybrid Polyesters, 39th Annual Conf, Reinforced Plastics/Composite Institute, The Society of Plastics Ind. (1984) pp. 1-8.

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