Process for the preparation of hydrocarbon resins

Details Process for the preparation of hydrocarbon resins Process for the preparation of hydrocarbon resins

1980-10-27

1982-08-03

Levin, Stanford M.

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

Synthetic resins

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

524291, 525338, 526 76, 526290, C08F 804

Patent

active

043428509

ABSTRACT:
This invention relates to improved processes for hydrocarbon resin preparation. More particularly, the invention relates to treating the C.sub.5 and higher mixed thermally soaked hydrocarbon fraction mixture obtained in the steam cracking of propane and ethane with alumina prior to polymerizing the hydrocarbon fraction mixture with a Friedel-Crafts catalyst to form a high softening point hydrocarbon resin. The polymerized resin is then quenched or diluted, washed to remove catalyst residues, dried and hydrogenated to provide high softening point hydrocarbon resins.

REFERENCES:
patent: 2753326 (1956-07-01), Hamner
patent: 3600463 (1971-08-01), Hagemeyer, Jr. et al.
patent: 3709854 (1973-01-01), Hepworth et al.
patent: 3817953 (1974-06-01), Younger
patent: 4118555 (1978-10-01), Vargiu et al.
patent: 4276396 (1981-06-01), Gwynn

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