C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
402/302, 402/320
C08G 61/12 (2006.01) C08G 63/12 (2006.01) D01F 6/78 (2006.01) H01B 3/30 (2006.01)
Patent
CA 1044397
ABSTRACT OF THE DISCLOSURE Helt-stable aromatic polyketones useful in, eg, electrical insulation and comprised of, eg, the recurring unit Image wherein m, n and x are 0 or 1 (n being 0 when x is 1) are prepared by HF/BF3-catalyzed polymeriztion at 0°C of appropriately chosen nucleophilic and electrophilic coreactants, preferably terephthaloyl chloride and 1,4 -diphenoxybenzene (m=1, x and n=0).
204546
Dahl Klaus J.
Jansons Viktors
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