Polycarbonate compositions resistant to gamma radiation

Details Polycarbonate compositions resistant to gamma radiation Polycarbonate compositions resistant to gamma radiation

1988-06-16

1989-10-17

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524243, 524367, 524378, C08K 534

Patent

active

048748021

ABSTRACT:
The invention relates to thermoplastic polycarbonate molding compositions comprising a polycarbonate resin and a stabilizing agent conforming to ##STR1## where R.sub.1 and R.sub.2 independently are ##STR2## R.sub.3 is a hydrogen atom, a branched or linear C.sub.1 -C.sub.20 alkyl or a C.sub.1 -C.sub.20 cycloalkyl, and R.sub.5 and R.sub.6 independently are a hydrogen atom or a C.sub.1 -C.sub.3 alkyl, x is an integer of about 1 to 70,

REFERENCES:
patent: 3907744 (1975-09-01), Anderson
patent: 4460445 (1984-07-01), Rekers
patent: 4624972 (1986-11-01), Nace
patent: 4657949 (1987-04-01), Nace
patent: 4786671 (1988-11-01), Kress et al.

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