Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1988-07-11
1989-12-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528196, C08G 6362
Patent
active
048884103
ABSTRACT:
Novel polycarbonate and a process for production thereof are disclosed. This polycarbonate has a main chain comprising a repeating unit of the general formula (A) shown below, a pentahalogenophenoxy group of the general formula (B) shown below at the terminal thereof, the molar fraction of the pentahalogenophenoxy group being within the specified range, and a viscosity average molecular weight of at least 15,000. ##STR1## (wherein all the symbols are as defined in the appended claims). The polycarbonate is excellent in all of flame retardance, impact resistance, fluidity and transparency, and thus is suitable for production of various products such as home electric appliance and so on.
REFERENCES:
patent: 3751400 (1973-08-01), Crennan et al.
patent: 4831100 (1989-05-01), Komatsu et al.
Komatsu Takashi
Terada Eiichi
Anderson Harold D.
Idemitsu Petrochemical Co. Ltd.
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