C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/363
C08G 65/40 (2006.01) C08G 65/38 (2006.01)
Patent
CA 1273743
ABSTRACT OF THE DISCLOSURE Described herein is an improved process for preparing poly(aryl ethers) and poly(aryl ether ketones) by the reaction of a mixture of at least one bisphenol and at least one dihalobenzenoid compound, and/or a halophenol, in which the improvement comprises providing to the reaction medium, a combination of sodium or an alkaline earth metal carbonate and/or bicarbonate and a potassium, rubidium, or cesium salt of an organic acid or combinations of various organic salts thereof. The process yields high molecular weight, linear, poly(aryl ethers) and poly(aryl ether ketones) possessing excellent thermal stability and physical properties; suitable for engineering polymers. The poly(aryl ethers) and poly(aryl ether ketones) of this invention may be fabricated into any desired shape, i.e. moldings, coatings, films, or fibers. They are particularly desirable for use as electrical insulation for electrical conductors.
535250
Kelsey Donald R.
Matzner Markus
Winslow Paul A.
Amoco Corporation
Gowling Lafleur Henderson Llp
Kelsey Donald R.
Matzner Markus
Winslow Paul A.
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