Method for the preparation of high melting C.sub.4 -hydrocarbon

Details Method for the preparation of high melting C.sub.4 -hydrocarbon Method for the preparation of high melting C.sub.4 -hydrocarbon

1978-04-17

1979-04-24

Hamrock, William F.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526237, C08F 452, C08F23606

Patent

active

041513380

ABSTRACT:
A method for the preparation of high-melting resins which comprises polymerizing a butadiene-rich C.sub.4 -cut of C.sub.4 -olefins with a liquified protonated Friedel-Crafts catalyst of the formula

REFERENCES:
patent: 2220930 (1940-11-01), Kraus
patent: 2387517 (1945-10-01), Kraus
patent: 3349065 (1967-10-01), Kennedy
patent: 3446785 (1969-05-01), Stafford
patent: 3661870 (1972-05-01), Bullard
patent: 3692756 (1972-09-01), Cyr

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