Chlorinated phenol mold release agent

Details Chlorinated phenol mold release agent Chlorinated phenol mold release agent

1979-12-26

1981-06-09

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568755, C07C 3936

Patent

active

042726360

ABSTRACT:
In an improved process for preparing chlorinated phenol by the reaction of molten phenol with chlorine in the presence of a Friedel-Crafts catalyst, the improvement comprises adding to the molten chlorinated phenol product, immediately on completion of the chlorination process, at least 0.5 weight percent of a glycol ether thereby inhibiting dioxin formation, inhibiting decomposition of the technical grade chlorinated phenol and most importantly, imparting mold release properties to the final product which is cast in corrosion-resistant molds, preferably stainless steel or plastic-lined steel molds.

REFERENCES:
patent: 3692561 (1972-09-01), Hager et al.
patent: 3816268 (1974-06-01), Watson
patent: 3839469 (1974-10-01), Laufer
patent: 3852160 (1974-12-01), Watson et al.
patent: 3852161 (1974-12-01), Watson
patent: 3909365 (1975-09-01), Christena
patent: 4016047 (1977-04-01), Christena
patent: 4113974 (1978-09-01), Mark et al.
patent: 4142943 (1979-03-01), Kobel
Kirk-Othmer "Encyclopedia of Chemical Tech." vol. 5, pp. 325-329.

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