Method for the preparation of cross-linked polycarbonates, and c

Details Method for the preparation of cross-linked polycarbonates, and c Method for the preparation of cross-linked polycarbonates, and c

1988-07-05

1990-04-10

Pertilla, Theodore E.

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

Synthetic resins

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

524502, 525189, 428412, 428413, C08L 6900

Patent

active

049161890

ABSTRACT:
An improved method for the preparation of cross-linked polycarbonates is disclosed, comprising the reaction at elevated temperature of a composition containing cyclic carbonate oligomers with at least one polyglycidyl acrylate copolymer formed by the reaction of at least one olefin with a glycidyl acrylate monomer. This invention also includes network polycarbonates wherein the carbonate chains are linked to each other via polyglycidyl acrylate copolymer groups. Further included within the scope of this invention are prepreg compositions which comprise a filler and a mixture of cyclic carbonate oligomers with a polyglycidyl acrylate copolymer.

REFERENCES:
patent: 3098056 (1963-07-01), Schnell et al.
patent: 3261808 (1966-07-01), Schnell et al.
patent: 4701519 (1987-10-01), Evans et al.
patent: 4746725 (1988-05-01), Evans et al.
Journal of Paint Technology, Yoshino et al., vol. 44, No. 564, Jan. 1972, "Preparation of Reactive Polymers From Glycidyl Methacrylate and Their Reactivities", pp. 116-123.
Reactive Monomers, Blemmer G-Versatile Polymer Modifier, Nippon Oil & Fats Co., Ltd. (appears to be product brochure, date unknown), pp. 1,2,20-21.

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