Substituted dichlorovinylidene (diphenols)

Details Substituted dichlorovinylidene (diphenols) Substituted dichlorovinylidene (diphenols)

1979-06-18

1980-09-16

Morgenstern, Norman

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

Organic compounds

Oxygen containing

C07C 3917, C07C 3930, C07C 3934

Patent

active

042231710

ABSTRACT:
Improved flame retardance and improved water vapor transmission are imparted to high molecular weight aromatic polycarbonate resins by selecting appropriate diphenols and controlling the degree to which these particular diphenols are halogenated.

REFERENCES:
patent: 2254904 (1941-09-01), Moss
patent: 2329074 (1943-09-01), Muller
patent: 3678117 (1972-07-01), Middleton
patent: 4102934 (1978-07-01), Quinn
patent: 4105857 (1978-08-01), Campbell et al.
patent: 4107442 (1978-08-01), Quinn
patent: 4128731 (1978-12-01), Klopfer et al.
patent: 4139721 (1979-02-01), Campbell
patent: 4156099 (1979-05-01), Campbell
patent: 4156790 (1979-05-01), Campbell

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