Polyphenylene ether-polyester copolymers, precursors therefor, c

Details Polyphenylene ether-polyester copolymers, precursors therefor, c Polyphenylene ether-polyester copolymers, precursors therefor, c

1987-11-10

1991-05-14

Short, Patricia

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

Synthetic resins

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

525395, 525396, 525397, 525437, 525534, 525905, C08L 6702, C08L 7104, C08G 8100

Patent

active

050156985

ABSTRACT:
Compositions containing polyphenylene ether-poly(alkylene dicarboxylate) copolymers are prepared by a reaction between the two polymers and, optionally, at least one functionalizing agent therefor. The functionalizing agent may first be reacted with the polyphenylene ether and the resulting functionalized polyphenylene ether in turn reacted with a functionalized or unfunctionalized poly(alkylene dicarboxylate). Alternatively, an unfunctionalized or hydroxyalkyl-functionalized polyphenylene ether may be incorporated in a conventional polyester-forming reaction. The copolymer-containing compositions are characterized by a number of desirable properties including high impact strength and solvent resistance.

REFERENCES:
patent: 3703564 (1972-11-01), White
patent: 3941751 (1976-03-01), Breslow
patent: 4356285 (1982-10-01), Kumagai
patent: 4460743 (1984-07-01), Abe et al.
patent: 4579905 (1986-04-01), Krabbenhoft
patent: 4614773 (1986-09-01), Sugio et al.
patent: 4681915 (1987-07-01), Bates et al.
Allport, D. C. et al., Block Copolymers, Applied Science Pub. (1973), p. 276.

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