Composition of a selectively hydrogenated block copolymer of a v

Details Composition of a selectively hydrogenated block copolymer of a v Composition of a selectively hydrogenated block copolymer of a v

1979-11-09

1981-05-12

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525 67, 525 96, 525439, C08L 5302, C08L 6900

Patent

active

042670969

ABSTRACT:
There are provided compositions comprising (a) a selectively hydrogenated elastomeric block copolymer, (b) a polycarbonate and (c) an amorphous polyester. The use of the combination of (a) and (c) provides remarkable improvements in the melt flow characteristics, in resistance to brittle failure, and in the resistance to environmental stress crazing and cracking of the polycarbonate resin component (b).

REFERENCES:
patent: 3218372 (1965-11-01), Okamura et al.
patent: 3281383 (1966-10-01), Zelinski et al.
patent: 3333024 (1967-07-01), Haefele et al.
patent: 3431224 (1969-03-01), Goldblum
patent: 3753936 (1973-08-01), Marrs
patent: 4088711 (1978-05-01), Gergen et al.
patent: 4090996 (1978-05-01), Gergen et al.
Encyclopedia of Pol. Sci. & Tech., vol. 10, pp. 710-764, 1969.

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