Process for making vinyl aromatic/alkoxylated allyl alcohol copo

Details Process for making vinyl aromatic/alkoxylated allyl alcohol copo Process for making vinyl aromatic/alkoxylated allyl alcohol copo

1995-04-07

1996-04-30

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 86, 526 87, 526332, 526333, 526347, 526227, C08F21608, C08F21612, C08F21208

Patent

active

055126421

ABSTRACT:
An improved process for making vinyl aromatic/allylic alcohol copolymers is disclosed. Gradual addition of a free-radical initiator during the course of the polymerization results in a substantial increase in the polymer yield obtained compared with the yield from conventional processes in which all of the free-radical initiator is charged initially. The process is particularly useful for making commercially important varieties of styrene-allyl alcohol copolymers.

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patent: 5382642 (1995-01-01), Guo

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