Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1988-07-01
1990-05-15
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525250, 525271, C08F29704, C08F29702
Patent
active
049258990
ABSTRACT:
Bimodal star-block copolymers are disclosed containing from 60 to 90% by weight of an aromatic vinyl monomer and from 40 to 10% by weight of a conjugated diene, said copolymers having the general formula:
REFERENCES:
patent: 4167545 (1979-09-01), Fahrbach et al.
patent: 4221884 (1980-09-01), Bi et al.
patent: 4248982 (1981-02-01), Bi et al.
patent: 4418180 (1983-11-01), Heinz et al.
Callaioli Andrea
Corrado Francesco
Nocci Roberto
Rendina Gabriele
Briggs Sr. Wilbert J.
Montedipe S.p.A.
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