Poly(ether-bis-imide-spiro dilactam) polymer

Details Poly(ether-bis-imide-spiro dilactam) polymer Poly(ether-bis-imide-spiro dilactam) polymer

1990-08-09

1991-10-29

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528173, 528183, 528322, 528323, 528423, C08G 7306

Patent

active

050617800

ABSTRACT:
Novel poly(etherimide) polymers and a method for the production thereof, which polymers are characterized by moieties of a dioxyaryl-substituted 1,6-diaza [4,4] spirodilactam, alternating with moieties of a bis(imide) and, optionally, with moietis of a di(oxyphenyl) compound. The polymers are thermoplastic polymers of relatively high glass transition temperature.

REFERENCES:
patent: 3838097 (1974-09-01), Wirth et al.
patent: 3852242 (1974-12-01), White
patent: 3855178 (1974-12-01), White et al.
patent: 3920697 (1975-11-01), Takekoshi
patent: 4024110 (1977-05-01), Takekoshi
patent: 4314047 (1982-02-01), Banucci et al.
patent: 4330666 (1982-05-01), White et al.

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