Clear impact resistant thermoplastic star-block copolymers

Details Clear impact resistant thermoplastic star-block copolymers Clear impact resistant thermoplastic star-block copolymers

1979-05-14

1980-09-09

Michl, Paul R.

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

Synthetic resins

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

C08f29704

Patent

active

042218845

ABSTRACT:
The preparation of a branched, radial block copolymer having improved falling weight impact properties, especially at temperatures from room temperature to -40.degree. C., and having bimodal distribution of molecular structure in the arms of the block copolymer is described.

REFERENCES:
patent: 3639517 (1972-02-01), Kitchen
patent: 3792127 (1974-02-01), Gillies
patent: 4080407 (1978-03-01), Fodor
patent: 4086298 (1978-04-01), Fahrbach
patent: 4087484 (1978-05-01), Miki
patent: 4089913 (1978-05-01), Miki
patent: 4091053 (1978-05-01), Kitchen
patent: 4092375 (1978-05-01), Vreugdenhil
patent: 4152370 (1979-05-01), Moczygemba

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