Modified hydrocarbon resins

Details Modified hydrocarbon resins Modified hydrocarbon resins

1974-05-23

1976-06-29

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 5, 260888, 260889, 526337, 526339, 428462, C08F23202, C08F23604

Patent

active

039666905

ABSTRACT:
Thermoplastic hydrocarbon resins are obtained by copolymerizing an isoolefin such as isobutylene with a diolefin such as piperylene in the present of a Friedel-Crafts catalyst in an inert hydrocarbon solvent.
These resins have a softening point in the range from 80.degree. to 110.degree.C. and are compatible with ethylene vinyl acetate and polyethylene resins and are useful as tackifier resins or components in hot melt adhesives.

REFERENCES:
patent: 2523150 (1950-09-01), Schneider et al.
patent: 2559498 (1951-07-01), Garber et al.
patent: 2631953 (1953-05-01), Hubbard et al.
patent: 2696950 (1954-04-01), Sparks et al.
patent: 3436379 (1969-04-01), Hambling et al.
patent: 3661870 (1972-05-01), Bullard
patent: 3692756 (1972-09-01), St. Cyr
patent: 3893986 (1975-07-01), Komai et al.

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