Novel thermoplastic polymers

Details Novel thermoplastic polymers Novel thermoplastic polymers

1989-05-15

1990-07-03

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528117, 528370, G08G 5926, G08G 5928, G08G 5962

Patent

active

049392271

ABSTRACT:
Novel thermoplastic polymers comprise (1) moieties of a 1,6-diaza [4.4] spirodilactam having oxyaryl-containing substituents on the spiro ring nitrogen atoms, or, optionally, moieties of a di(oxyphenyl)compound, alternating with moieties derived from a mono- or binuclear hydantoin, the differing moieties being connected by 2-hydroxy-1,3-propylene linking groups.

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patent: 4716204 (1987-12-01), Parker

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