Polymers modified by ketonic and ether-ketonic compounds

Details Polymers modified by ketonic and ether-ketonic compounds Polymers modified by ketonic and ether-ketonic compounds

1991-02-28

1992-09-08

Michl, Paul R.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524359, C08K 507

Patent

active

051458993

ABSTRACT:
Polymers comprising carbonyl groups in their backbone, such as polyesters and polyimides, which have been modified by compounds having ketonic groups in their backbone, and molecular weights in the region of 300 to under 1,000. Preferably, these compounds have also ether groups in their backbone.

REFERENCES:
patent: 4250279 (1981-02-01), Robeson et al.
patent: 4293670 (1981-10-01), Robeson et al.
patent: 4360606 (1982-11-01), Tobias et al.
patent: 4532305 (1985-07-01), Dickinson
patent: 4613645 (1986-09-01), Robeson et al.
patent: 4703081 (1987-10-01), Blackwell et al.
patent: 4704448 (1987-11-01), Brugel
patent: 4720537 (1988-01-01), Brugel
J. E. Harris and L. M. Robeson, Miscible Blends of Poly(aryl Ether Ketone)s and Polyetherimides, 1988, pp. 1878-1891.

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