Beta-phellandrene-maleic anhydride copolymers

Details Beta-phellandrene-maleic anhydride copolymers Beta-phellandrene-maleic anhydride copolymers

1989-04-12

1990-12-04

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

530214, 5262196, 5262321, 526232, C08F 3200

Patent

active

049755030

ABSTRACT:
Copolymerization of beta-phellandrene with maleic anhydride, preferably in the presence of a free radical initiator such as AIBN, to form high molecular weight polymers (weight average molecular weight over 1,000) is disclosed. The polymerization may be conducted at a temperature up to about 190.degree. C., preferably in the range of about 40.degree. to 130.degree. C., preferably in the presence of a polar solvent.

REFERENCES:
patent: 1978598 (1934-10-01), Peterson
patent: 1993026 (1935-03-01), Littmann
patent: 1993036 (1935-03-01), Humphrey
patent: 2067859 (1937-01-01), Peterson
patent: 2080436 (1937-05-01), Peterson
patent: 2118925 (1938-05-01), Humphrey
patent: 2126944 (1938-08-01), Billing
patent: 2241341 (1941-05-01), Ender
patent: 2353927 (1944-07-01), Pickett
patent: 2354776 (1944-01-01), Rummelsburg
Hawley's Condensed Chemical Dictionary, 11th Edition Copyright 1987, van Nostrand Reinhold Company Inc., pp. 894, 1126-1127.

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