Novel hydrocarbon resins comprising 1,3-pentadiene, 1,5,9-cyclod

Details Novel hydrocarbon resins comprising 1,3-pentadiene, 1,5,9-cyclod Novel hydrocarbon resins comprising 1,3-pentadiene, 1,5,9-cyclod

1975-03-10

1977-04-26

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 5, 526308, 528490, 528500, C08F23604, C08L 700, C08F 400, C08F23200

Patent

active

040202607

ABSTRACT:
Hydrocarbon resins comprising about 95-35% by weight of units derived from 1,3-pentadiene, about 1-50% by weight of units derived from cyclododecatriene, and O-about 40% by weight of units derived from at least one monoolefin containing 5 carbon atoms, having a softening point of from about 100.degree. to about 160.degree. C., and being substantially gel-free. The hydrocarbon resins can be prepared by polymerizing a monomeric mixture comprising 1,3-pentadiene in the presence of a Friedel-Crafts type metal halide catalyst, said monomeric mixture comprising about 95-35% by weight of 1,3-pentadiene, about 1-50% by weight of cyclododecatriene, and 0-about 50% by weight of at least one monoolefin containing 5 carbon atoms.

REFERENCES:
patent: 3509239 (1970-04-01), Tindall
patent: 3577398 (1971-05-01), Pace et al.
patent: 3778420 (1973-12-01), Brown et al.
patent: 3813357 (1974-05-01), St. Cyr
patent: 3853825 (1974-12-01), St. Cyr
patent: 3867361 (1975-02-01), Calderon et al.
patent: 3960823 (1976-06-01), Komai et al.
Calderon et al., J.P.S. Pt A-1, 2209-2217, (1967), "Ring Opening Polymerization of Unsat. Aucyclic Compds."

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