Process for preparing a branched polymer from a vinyl aromatic m

Details Process for preparing a branched polymer from a vinyl aromatic m Process for preparing a branched polymer from a vinyl aromatic m

1995-11-21

1997-09-02

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526219, 5262191, 5262192, 5262196, 526228, 526230, 526232, 5262325, 5262321, 5262323, 526346, C08F 434, C08F 238

Patent

active

056632525

ABSTRACT:
A free radical polymerization process for producing a branched polymer from a vinyl aromatic monomer comprising polymerizing a vinyl aromatic monomer in the presence of a free radical initiator of the formula: ##STR1## wherein R is H, alkyl, or aralkyl, and R' is alkyl or aryl.

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patent: 4045463 (1977-08-01), Matsuyama et al.
patent: 4376847 (1983-03-01), Matsubara et al.
patent: 4520180 (1985-05-01), Barabas et al.
patent: 5037915 (1991-08-01), Lundin et al.
Dpov. Akad. Nauk Ukr. RSR, Ser. B 29(3), 243-7 (1967) (Ukrain) Vysokomol. Soedin, Ser. A 1970, 12(1), 248-51 (Russ).

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