Benzophenone/diphenyl sulfone/hydroquinone terpolymers

Details Benzophenone/diphenyl sulfone/hydroquinone terpolymers Benzophenone/diphenyl sulfone/hydroquinone terpolymers

C - Chemistry, Metallurgy

08

G

402/33

C08G 14/00 (2006.01) C08G 65/40 (2006.01) C08G 75/23 (2006.01)

Patent

CA 1161187

12,476 AROMATIC POLYMERS CONTAINING KETONE GROUPS ABSTRACT OF THE DISCLOSURE Described herein are thermoplastic linear poly- mers containing recurring units of the formulae: (I) Image , Image (II) , and (III) Image wherein R is independently hydrogen, C1 to C6 alkyl, or C4 to C8 cycloalkyl, a is an integer of 0 to 4, Z is independently -?-, -SO-, -S-, -SO2-, -O-, alkylene, cycloalkylene, arylene, alkylidene, or cycloalkylidene containing from 2 to 20 carbon atoms, with the proviso. that Z cannot be -?- when the connecting ether bonds 12,476 are in the para position to Z; n is independently an integer of from 1 to 5. The units are attached to each other by an -O- bond. Also, described herein is a process for pre- paring such polymers. - 2 -

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