Method for producing a high softening point aliphatic petroleum

Details Method for producing a high softening point aliphatic petroleum Method for producing a high softening point aliphatic petroleum

1990-12-13

1992-07-07

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 76, 526290, C08F 414

Patent

active

051284260

ABSTRACT:
A method for producing a high softening point aliphatic petroleum resin, which comprises using as a feed oil a C5 fraction which is a mixture of saturated and unsaturated hydrocarbon components having boiling points within a range of from 20.degree.0 to 110.degree. C. formed by cracking or modification of naphtha or petroleum and conducting polymerization of the feed oil by means of a Friedel-Crafts catalyst, wherein isoprene is added to the feed oil in an amount of from 1 to 20% by weight, and the polymerization is conducted by introducing the feed oil into the catalyst dissolved or suspended in an organic solvent, over a period of at least 1/2 of the polymerization time.

REFERENCES:
patent: 2394266 (1946-02-01), Soday
patent: 2764577 (1956-09-01), Hubbard et al.
patent: 4381381 (1983-04-01), Ferraris et al.
patent: 4824921 (1989-04-01), Luvinh

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