Thixotropic unsaturated polyester compositions and methods

Details Thixotropic unsaturated polyester compositions and methods Thixotropic unsaturated polyester compositions and methods

1983-07-18

1985-02-05

Ziegler, Jacob

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523207, 523513, 523521, 524492, 524493, C08K 700

Patent

active

044979185

ABSTRACT:
Disclosed are thixotropic polyester compositions wherein the thixotropic characteristics are provided by incorporation into the polyester of a member selected from the group consisting of a precipitated silicon dioxide and a mixture of a precipitated silicon dioxide and a fumed silica. The resulting thixotropic polyester compositions are useful in industries where the resin must not drain from a vertical surface before cure, such as in the boat building industry, and in electrical and transportation applications, and particularly in fiberglass reinforced unsaturated polyester resins and gel coats.

REFERENCES:
patent: 3402151 (1968-09-01), Kutch
patent: 3419533 (1968-12-01), Dieterich
patent: 3525689 (1970-08-01), Marotta
patent: 3525699 (1970-08-01), Marotta
patent: 3607822 (1971-09-01), Nishino
patent: 4008294 (1977-02-01), Marans et al.
patent: 4081496 (1978-03-01), Finlayson
patent: 4132806 (1979-01-01), Wason
patent: 4285846 (1981-08-01), Hardy et al.
Modern Plastics Encyclopedia, pp. 61-62, (1976-1977); pp. 65-66, (1977-1978); pp. 56-59, (1978-1979).
Jurgen Hoell, 32nd Annual Technical Conference, 1977, Reinforced Plastics/Composites Institute, The Society of Plastics Industry, Inc., Scetion 17-D, pp. 1-8.

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