Glass fiber-reinforced thermoplastic polycarbonate molding compo

Details Glass fiber-reinforced thermoplastic polycarbonate molding compo Glass fiber-reinforced thermoplastic polycarbonate molding compo

1976-07-06

1977-09-13

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47ET, 260 47XA, 260823, C08E 6362, C08G 6500, C08L 6900

Patent

active

040481336

ABSTRACT:
The present invention relates to glass fiber reinforced thermoplastic polycarbonate molding compositions whose toughness and elastic properties have been improved by the incorporation of 1 to 5 wt.% of poly-(2,6-dialkyl-1,4-phenyleneoxide). These compositions contain between 10 and 30 wt.% glass fibers and display improved properties even after extended times at high humidity. The polyphenylene oxides preferably have M.sub.w between 2,000 and 100,000, most preferably 20,000 and 60,000. A particularly suitable additive is poly-(2,6-dimethyl-1,4-phenylene oxide).

REFERENCES:
patent: 3221080 (1965-11-01), Fox
patent: 3365517 (1968-01-01), Barth
patent: 3437632 (1969-04-01), Hechelhammer et al.
patent: 3652710 (1972-03-01), Holub
patent: 3748303 (1973-07-01), Becker et al.
patent: 3763088 (1973-10-01), Izawa et al.
patent: 3875107 (1975-04-01), Nouvertne et al.

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