Method for producing asymmetric radial polymers

Details Method for producing asymmetric radial polymers Method for producing asymmetric radial polymers

1995-05-30

1996-09-03

Zemel, Irina

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

Synthetic resins

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

525316, 525105, 525338, C08F29704, C08G 8102

Patent

active

055524931

ABSTRACT:
The present invention is a process for producing predominately four-armed asymmetric radial block copolymers which contain predominately, on average, two arms which are copolymers of at least one conjugated diene and at least one vinyl aromatic hydrocarbon and two conjugated diene homopolymer or copolymer arms, said process comprising:

REFERENCES:
patent: 4137391 (1979-01-01), Smith et al.
patent: 4185042 (1980-01-01), Verkouw
patent: 5075377 (1991-12-01), Kawabuchi et al.
patent: 5393841 (1995-02-01), Himes

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