Polycarbonate compositions having improved barrier properties

Details Polycarbonate compositions having improved barrier properties Polycarbonate compositions having improved barrier properties

1980-01-16

1981-12-08

Pertilla, Theodore E.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528204, C08G 6362

Patent

active

043048994

ABSTRACT:
Polycarbonate compositions having improved barrier properties; i.e., low water vapor transmission and low gas permeability, are obtained by employing selected mono- and di-alkyl substituted monomers.

REFERENCES:
patent: 2936272 (1960-05-01), Bender et al.
patent: 3028365 (1962-04-01), Schnell
patent: 3169121 (1965-02-01), Goldberg
patent: 3367980 (1968-02-01), Zaweski
patent: 3398120 (1968-08-01), Hindersinn et al.
patent: 3422065 (1969-01-01), Wulff et al.
Chem. Abstracts, vol. 64, No. 4, 2/1966 (6832d).

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