Polycarbonate containing spiro dilactam segment

Details Polycarbonate containing spiro dilactam segment Polycarbonate containing spiro dilactam segment

1988-12-05

1990-03-06

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528196, 528203, 528204, 528323, C08G 6362

Patent

active

049067257

ABSTRACT:
Novel polycarbonate polymers of relatively high glass transition temperatures comprise carbonyl moieties alternating with moieties of a 1,6-diaza [4.4] spirodilactam having an oxyaryl-containing substituents on each ring nitrogen atom and, optionally, moieties of di(oxyphenyl)alkane.

REFERENCES:
patent: 4739058 (1988-04-01), Eckhardt et al.
Schnell, Industrial and Engineering Chemistry, vol. 51, No. 2, pp. 157-160 (1959).

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