Halogenated bisphenol-Z and derivatives thereof

Details Halogenated bisphenol-Z and derivatives thereof Halogenated bisphenol-Z and derivatives thereof

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

042231701

ABSTRACT:
Resistance to high heat distortion is imparted to high molecular weight aromatic polycarbonate resins by controlling the degree to which particular diphenols are halogenated so that there are obtained either highly pure dihalogenated diphenols or predetermined statistical mixtures comprising predominantly mono- and dihalogenated diphenols together with some unreacted diphenol.

REFERENCES:
patent: 1760758 (1930-05-01), Korten
patent: 2060716 (1936-11-01), Avorn
patent: 2883365 (1959-04-01), Mathes
patent: 2894004 (1959-07-01), Dretzler
patent: 3029291 (1962-04-01), Dretzler
patent: 3903175 (1975-09-01), Meyer
patent: 3960968 (1976-06-01), Vernaleken et al.
patent: 4075119 (1978-02-01), Schmidt et al.
Solmssen, "Chem. Rev.", vol. 37, pp. 481, 556-558 (1945).
Beckoff et al., "J. Am. Oil Chem. Soc.", vol. 32, pp. 64-68 (1955).

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