Method for the preparation of crosslinked polycarbonates

Details Method for the preparation of crosslinked polycarbonates Method for the preparation of crosslinked polycarbonates

1991-02-13

1992-05-19

Seidleck, James J.

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

Synthetic resins

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

525148, 525186, 5253273, C08L 6900, C08L 3700

Patent

active

051150247

ABSTRACT:
An improved method for the preparation of crosslinked polycarbonates comprises the reaction at elevated temperature of a composition containing cyclic polycarbonate oligomers with at least one polyglycidyl acrylate copolymer formed by the reaction of at least one olefinic compound with a glycidyl acrylate monomer. Further disclosed are network polycarbonates wherein the carbonate chains are linked to each other via polyglycidyl acrylate copolymer groups, and prepreg compositions which comprise a filler and a mixture of cyclic polycarbonate oligomers with a polyglycidyl acrylate copolymer.

REFERENCES:
patent: 3098056 (1963-07-01), Schnell et al.
patent: 3261808 (1966-07-01), Schnell et al.
patent: 3761440 (1973-09-01), Margotte
patent: 4701519 (1987-10-01), Evans et al.
patent: 4746725 (1988-05-01), Evans et al.
patent: 4916189 (1990-04-01), Fontana
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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