Phosphorus-modified polyestercarbonate resins

Details Phosphorus-modified polyestercarbonate resins Phosphorus-modified polyestercarbonate resins

1983-10-03

1984-10-02

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528167, 528168, C08G 6368

Patent

active

044749376

ABSTRACT:
Phosphorus-modified polyestercarbonate resins having repeating units of the formula: ##STR1## exhibit improved thermal-oxidative stability compared to polyestercarbonates of the prior art comprised of repeating units I and II only. Such resins are useful for making transparent tough films and molded articles having high stability to thermal-oxidative degradation.

REFERENCES:
patent: 3578634 (1971-05-01), Bialous et al.
patent: 3766139 (1973-10-01), Bialous et al.
patent: 4094926 (1978-06-01), Sheard et al.
patent: 4156663 (1979-05-01), Okamoto et al.
patent: 4223104 (1980-09-01), Kim et al.
patent: 4322520 (1982-03-01), Schmidt et al.

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