Novel polyaryl ethers

Details Novel polyaryl ethers Novel polyaryl ethers

1989-10-30

1990-11-06

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528211, 528218, C08G 802, C08G 6538, C08G 6540

Patent

active

049687697

ABSTRACT:
Novel linear, alternating polyarylene ethers are characterized by moieties derived from a halo-substituted arylene compound having an electron-withdrawing substituent on each of from 1 to 2 aromatic rings alternating with moieties of a 1,6-diaza[4.4]spirodilactam compound having oxyphenyl substituents on each spiro ring ntrogen atom and, optionally, moieties of a di(4-oxyphenyl) compound.

REFERENCES:
patent: 3730946 (1973-05-01), Heath et al.
patent: 4640974 (1987-02-01), Matsuo et al.
patent: 4888408 (1989-12-01), Wang

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