Process for producing transparent block copolymer resin

Details Process for producing transparent block copolymer resin Process for producing transparent block copolymer resin

1976-02-27

1978-05-16

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F29704

Patent

active

040899136

ABSTRACT:
In block-copolymerizing a vinyl aromatic compound and a conjugated diene in a hydrocarbon solvent using an organolithium compound as initiator, a transparent block copolymer resin characterized by having elastomeric random copolymer blocks may be produced by continuously adding a mixture of the vinyl aromatic compound and the conjugated diene. The block copolymer resin thus obtained is transparent, excellent in mechanical characteristics and may be used in the fields of sheetings, films, and various molded articles.

REFERENCES:
patent: 3251905 (1966-05-01), Zelinski
patent: 3402159 (1968-09-01), Hsieh
patent: 3778490 (1973-12-01), Hsieh
patent: 3853978 (1974-12-01), Horiie
patent: 3872068 (1975-03-01), Horiie

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