Light-colored hydrocarbon and terpene resins decolorized by iodi

Details Light-colored hydrocarbon and terpene resins decolorized by iodi Light-colored hydrocarbon and terpene resins decolorized by iodi

1982-06-01

1984-11-13

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

528480, C08F 3600, C08F 600

Patent

active

044826885

ABSTRACT:
Resins prepared by cationic polymerization of pure or combined feeds of C.sub.5 -C.sub.10 hydrocarbons are decolorized by use of iodine or bromine or their compounds. Activation by heat or radiation is usual. The decolorizing agents may be added prior to or during the polymerization process or to the polymerized resin before or after isolation.

REFERENCES:
patent: 530303 (1876-03-01), Diessel et al.
patent: 2518573 (1950-08-01), Scott
patent: 2647107 (1953-07-01), Barnes
patent: 3600366 (1971-08-01), Heckert
patent: 3671630 (1972-06-01), Carroll et al.
patent: 4107420 (1978-08-01), Schluenz et al.
patent: 4131556 (1978-12-01), Klopotek et al.
patent: 4222954 (1980-09-01), Cuscurido et al.

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