Terpolymers of styrene, isobutylene and beta-pinene

Details Terpolymers of styrene, isobutylene and beta-pinene Terpolymers of styrene, isobutylene and beta-pinene

1975-04-14

1976-05-25

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 285A, 260 285AV, 526282, 526345, 526350, 526207, 526237, 526916, C08F21000, C08F21200

Patent

active

039592383

ABSTRACT:
This invention discloses solid, homogeneous and essentially random terpolymers of styrene, isobutylene and beta-pinene having a number average molecular weight of from about 1500 to about 7000, a styrene content of from about 40 to about 60 weight percent, an isobutylene content of from about 10 to about 40 weight percent, a beta-pinene content of from about 10 to about 40 weight percent and a ring and ball softening point of from about 160.degree. to about 240.degree.F.

REFERENCES:
patent: 3478002 (1969-11-01), Nakaguchi

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