Aromatic high softening point petroleum resins and process for i

Details Aromatic high softening point petroleum resins and process for i Aromatic high softening point petroleum resins and process for i

1984-04-16

1985-12-10

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 76, 526280, 526283, 526290, C08F24000

Patent

active

045581070

ABSTRACT:
High softening point, i.e. greater than 140.degree. C., aromatic petroleum resins are prepared by polymerizing with an AlCl.sub.3 catalyst an unsaturated hydrocarbon mixture of one part of (1) a feedstock fraction obtained from the thermal cracking of petroleum boiling in the range of 135.degree.-220.degree. C. and principally composed of aromatic substituted olefins, e.g. styrene and its derivatives and indenes and its derivatives and from 0.3 to 1 part by weight of (2) oligomers of cyclopentadiene.

REFERENCES:
patent: 2770614 (1956-11-01), Howarth et al.
patent: 2856389 (1958-10-01), Fusco et al.
patent: 3927144 (1975-12-01), Hayashi et al.

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