Thermoplastic polyblends of aromatic polycarbonates and thermopl

Details Thermoplastic polyblends of aromatic polycarbonates and thermopl Thermoplastic polyblends of aromatic polycarbonates and thermopl

1989-05-02

1990-03-27

Pertilla, Theodore E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 66, 525 67, 525 92, 525148, C08F28304, C08L 6900

Patent

active

049121774

ABSTRACT:
This invention relates to binary thermoplastic polyblend consisting essentially of a thermoplastic aromatic polycarbonate and a thermoplastic polyester polyol-based polyurethane (TPU). The polyblends exhibit improved hydrocarbon solvent resistance and melt flow properties over polycarbonate resins.

REFERENCES:
patent: 3431224 (1969-03-01), Goldblum
patent: 4034016 (1977-07-01), Baron et al.
patent: 4179479 (1979-12-01), Carter, Jr.
patent: 4350799 (1982-09-01), Schmelzer et al.
patent: 4743650 (1988-05-01), Boutni

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