Copolymerized polycarbonates

Details Copolymerized polycarbonates Copolymerized polycarbonates

1993-09-09

1995-04-11

Kight, III, John

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528171, 528174, 528176, 528196, 528198, 528199, 528486, 528487, 528490, 528494, C08G 6400

Patent

active

054059330

ABSTRACT:
The present invention provides copolymerized polycarbonates having improved flow and formability, in addition to excellent mechanical properties, heat resistance, transparency, and water resistance obtained by copolymerization of two or more aromatic dihydroxy compounds and a compound capable of reacting with those aromatic dihydroxy compounds to form carbonate linkages, characterized in that, of all the constituent repeating units derived from aromatic dihydroxy compounds, 2-40 mole % are derived from resorcin and/or substituted resorcins.

REFERENCES:
patent: 3879347 (1975-04-01), Serini et al.
patent: 4435561 (1984-03-01), Lai et al.
Chemical Abstracts, vol. 64, No. 10, 9 May 1966, Columbus, Ohio, US: abstract No. 1429oh, E. Jaarv, `Synthesis of resorcinol polycarbonates; abstract & Tr. Tallinsk. Poletekhn, Inst., Ser. A No. 215, 1964, pp. 71-77.

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