Catalytic process for the production of petroleum resins

Details Catalytic process for the production of petroleum resins Catalytic process for the production of petroleum resins

1982-05-24

1983-12-06

Levin, Stanford M.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 77, 526290, C08F 414

Patent

active

044195036

ABSTRACT:
In a process in which a C.sub.5 -C.sub.12 feedstock has been distilled from a cracked petroleum fraction and polymerized with the help of a Friedel-Crafts catalyst to produce a petroleum resin, the C.sub.5 -C.sub.12 feedstock is first dried to a moisture content of less than about 10 ppm water and then contacted with anhydrous hydrogen halide, usually HCl, prior to polymerization.

REFERENCES:
patent: 3639366 (1972-02-01), Broca et al.
patent: 3763125 (1973-10-01), Moody et al.
patent: 3817953 (1974-06-01), Younger
patent: 3865797 (1975-02-01), Joy
patent: 4076926 (1978-02-01), Milmer et al.

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