Patent ID: 11879036
Assignee: SOLVAY SPECIALTY POLYMERS USA, LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 5:
6. The method according to claim 1,
wherein said PEKKS polymer polymer contains at least one recurring unit (RMPEKK) and at least one recurring unit (RPPEKK), each of said recurring unit (RMPEKK) being represented by a formula according to the general formula (1)

-[-Mm-O—]—  (1)

and each recurring unit (RPPEKK) is represented by a formula according to the following general formula (2):

-[-Mp-O—]—  (2)

where Mm and Mp are represented by the general formulae (3) and (4),
wherein
R1 and R2, at each instance, is independently selected from the group consisting of an alkyl, an alkenyl, an alkynyl, an aryl, an ether, a thioether, a carboxylic acid, an ester, an amide, an imide, an alkali or alkaline earth metal sulfonate, an alkyl sulfonate, an alkali or alkaline earth metal phosphonate, an alkyl phosphonate, an amine, and a quaternary ammonium; and
i and j, at each instance, is an independently selected integer ranging from 0 to 4.