Hydrogenated liquid aliphatic hydrocarbon resins

Details Hydrogenated liquid aliphatic hydrocarbon resins Hydrogenated liquid aliphatic hydrocarbon resins

1989-08-18

1990-04-10

Schofer, Joseph L.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525232, 525338, 525339, 525940, 526 76, 526290, C08F 3604, C08F 804

Patent

active

049161920

ABSTRACT:
A light color hydrogenated aliphatic hydrocarbon petroleum resin including a piperylene component and a chain transfer agent component useful as a tackifying agent, especially with copolymers. The resin of the invention has a softening point of about 0.degree.-40.degree. C., a number average molecular weight of from 100 to about 900, a low Gardner color of about 3 or less, and is formed by the aluminum chloride catalyzed polymerization of a feed stream essentially free of butadiene.

REFERENCES:
patent: 3356660 (1967-12-01), Moritz et al.
patent: 3853826 (1974-12-01), St. Cyr
patent: 4078132 (1978-03-01), Lepert
patent: 4677176 (1987-06-01), Evans et al.

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