Hydrocarbon-derived resins of piperylene and methyl branched ter

Details Hydrocarbon-derived resins of piperylene and methyl branched ter Hydrocarbon-derived resins of piperylene and methyl branched ter

1978-04-13

1980-02-19

Seccuro, Carman J.

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

Synthetic resins

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

260 5, 525216, 525237, C08L 700, C08L 906, C08L 2318, C08L 5302

Patent

active

041895479

ABSTRACT:
A hydrocarbon-derived resin having a softening point in the range of about 0.degree. C. to about 25.degree. C. derived from polymerizing piperylene and selected methyl branched tertiary olefins in the presence of boron trifluoride or boron trifluoride etherate. Such resins are particularly useful for the preparation of pressure sensitive adhesives, especially when such resins are mixed with other hydrocarbon-derived resins having high softening points in the range of about 80.degree. C. to about 110.degree. C.

REFERENCES:
patent: 2753325 (1956-07-01), Banes et al.
patent: 3692756 (1972-09-01), St. Cyr
patent: 3872064 (1975-03-01), Pace et al.
patent: 3928297 (1975-12-01), Thaler et al.
patent: 3966690 (1976-06-01), Mathews et al.

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