Process for removing trace amounts of epichlorohydrin from heat

Details Process for removing trace amounts of epichlorohydrin from heat Process for removing trace amounts of epichlorohydrin from heat

1982-01-19

1983-07-26

Lee, Lester L.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528 87, 528483, 528501, 528502, 549514, 549517, C08G 5900, C08G 5902

Patent

active

043955428

ABSTRACT:
Epichlorohydrin levels in heat sensitive glycidyl products are reduced from a few thousand ppm, an unacceptable level, to only a few ppm or to a non-detectable level by use of a multistage stripping column with or without inert gas purging without decomposition of the heat sensitive glycidyl products. Such glycidyl products are useful in epoxy resins particularly as crosslinking agents.

REFERENCES:
patent: 2824855 (1958-02-01), Freeman et al.
patent: 3720645 (1973-03-01), Nistri et al.
I. P. Andreev et al., Chem. Abst. 81, 122835u (1974).

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