Process for removing contaminants from polyolefins

Details Process for removing contaminants from polyolefins Process for removing contaminants from polyolefins

1995-11-28

1999-11-16

Alexander, Lyle A.

Cleaning and liquid contact with solids

Processes

Miscellaneous

134 26, 134 27, B08B 308

Patent

active

RE0363898

ABSTRACT:
Polyester and cellulosic contaminants are removed from the surfaces of polyolefins by contacting the polyolefins with an aqueous composition of alkali metal hydroxide and/or alkaline earth metal hydroxide; and with an oxidizing agent.

REFERENCES:
patent: 2479605 (1949-08-01), Denyes
patent: 2832663 (1958-04-01), Drelich
patent: 3801273 (1974-04-01), Mays
Chemical Abstract 114(22) 208727(x) 1991.
Chemical Abstract 106(4) 19583(w) 1987.
Chemical Abstract 108(12) 95876(a) 1988.
Chemical Abstract 98(10) 73760(f) 1983.
Chemical Abstract 114(37) 141230(c) 1975.

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