Method for making polyformals and polyformal products made there

Details Method for making polyformals and polyformal products made there Method for making polyformals and polyformal products made there

1978-11-06

1983-02-22

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 528128, 528174, 528205, 549347, 549352, 549353, C08G 6540

Patent

active

043749747

ABSTRACT:
There are provided linear aromatic polyformal compositions and cyclic polyformals. A method is also provided for making linear aromatic polyformals having reduced aromatic cyclic polyformal content to provide transparent films having improved Notched Izod Impact. The cyclic aromatic polyformals can be used as intermediates for making solvent resistant organic wire coating formulations.

REFERENCES:
patent: 3069386 (1962-12-01), Barclay, Jr.

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