Mixtures of specific dihydroxydiphenylcycloalkane polycarbonates

Details Mixtures of specific dihydroxydiphenylcycloalkane polycarbonates Mixtures of specific dihydroxydiphenylcycloalkane polycarbonates

1995-08-11

1996-12-10

Buttner, David

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524491, 524508, 524611, 525147, 525148, C08L 6900, C08K 501

Patent

active

055831745

ABSTRACT:
Mixtures of
A) 75 to 99.5 wt. % of a high molecular weight, thermoplastic, aromatic polycarbonate with a molecular weight M.sub.w (weight average) of at least 10,000 which contains bifunctional carbonate structural units of the formula (I), ##STR1## in which R.sup.1 and R.sup.2, independently of each other, represent hydrogen, halogen, preferably chlorine or bromine, or a C.sub.1 -C.sub.8 -alkyl, C.sub.5 -C.sub.6 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, preferably phenyl, or C.sub.7 -C.sub.12 -aralkyl, preferably phenyl-C.sub.1 -C.sub.4 -alkyl, in particular a benzyl group,

REFERENCES:
patent: 4626566 (1986-12-01), Miller
patent: 5104723 (1992-04-01), Freitag
patent: 5126428 (1992-06-01), Freitag et al.
Orbit Abstract of EP 0 359 953 (Mar. 28, 1990).
Orbit Abstract of EP 0 395 953 (Nov. 7, 1990).

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