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US 12,157,797 B2Granted
Functionalized poly(aryl ether sulfones) copolymers
AssigneeSolvay Specialty Polymers USA, LLC
InventorsKamlesh Nair, David B. Thomas
Life of this patent
Estimating the term…
Abstract
The invention relates to a side-chain functionalized copolymer (P1) and to the process for preparing the side-chain functionalized copolymer (P1). The present invention also relates to the use of the copolymer (P1) in the preparation of a membrane, a composite material or a coating.
Claims19
A copolymer (P1) comprising:
- recurring units (RP1) of formula (M):
- recurring units (R*P1) of formula (N):
- wherein
- each R1 is independently selected from the group consisting of a halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium;
- each i is independently selected from 0 to 4;
- T is selected from the group consisting of a bond, —CH2—;
- —O—;
- —SO2—;
- —S—;
- —C(O)—;
- —C(CH3)2—;
- —C(CF3)2—;
- —C(═CCl2)—;
- —C(CH3)(CH2CH2COOH)—;
- —N═N—;
- —RaC═CRb—, where each Ra and Rb, independently of one another, is a hydrogen or a C1-C12-alkyl, C1-C12-alkoxy, or C6-C18-aryl group;
- —(CH2)m— and —(CF2)m— with m being an integer from 1 to 6;
- an aliphatic divalent group, linear or branched, of up to 6 carbon atoms;
- and combinations thereof;
- GN is selected from the group consisting of at least one of the following formulas formulae:
- each k is independently selected from 0 to 4;
- each j is independently selected from 3 to 7;
- each R2 is independently selected from the group consisting of:
- (CH2)u—COOH, with u being selected from 1 to 5,
- (CH2)k—OH, with k being selected from 1 to 5,
- (CH2)p—NRaRb, with p being selected from 1 to 5, and Ra and Rb being independently a C1-C6 alkyl or H, with the proviso that Ra and Rb are not both CH3,
- (CH2)q-SO3Na, with q being selected from 1 to 5,
- (CH2)a-COCH3, with a being selected from 0 to 10
- (CH2)r-Si(OCH3)3, with r being selected from 1 to 5,
- (CH2)s-(CF2)t-CF3, with s being selected from 1 to 5 and t being selected from 1 to 10,
- CO—Rc, with Rc being a C1-C6 alkyl or H,
- (CH2)v-CH3, with v being selected from 5 to 30, and
- (CH2)w-Ar, with w being selected from 1 to 10 and Ar comprising one or two aromatic or heteroaromatic rings.
30 more elements
A process for preparing copolymer (P1) comprising reacting in a solvent a copolymer (P0) comprising:
- recurring units (RP0) of formula (M):
- recurring units (R*P0) of formula (P):
- wherein
- each R1 is independently selected from the group consisting of a halogen, alkyl, alkenyl, alkynyl, aryl, ether, thioether, carboxylic acid, ester, amide, imide, alkali or alkaline earth metal sulfonate, alkyl sulfonate, alkali or alkaline earth metal phosphonate, alkyl phosphonate, amine and quaternary ammonium;
- each i is independently selected from 0 to 4;
- T is selected from the group consisting of a bond, —CH2—;
- —O—;
- —SO2—;
- —S—;
- —C(O)—;
- —C(CH3)2—;
- —C(CF3)2—;
- —C(═CCl2)—;
- —C(CH3)(CH2CH2COOH)—;
- —N═N—;
- —RaC═CRb—, where each Ra and Rb, independently of one another, is a hydrogen or a C1-C12-alkyl, C1-C12-alkoxy, or C6-C18-aryl group;
- —(CH2)m— and —(CF2)m— with m being an integer from 1 to 6;
- an aliphatic divalent group, linear or branched, of up to 6 carbon atoms;
- and combinations thereof,
- GP is selected from the group consisting of at least one of the following formulae:
- each k is independently selected from 0 to 4, with a compound of formula (I):
- R2—SH
- wherein R2 is selected from the group consisting of:
- (CH2)u-COOH, with u being selected from 1 to 5,
- (CH2)k-OH, with k being selected from 1 to 5,
- (CH2)p-NRaRb, with p being selected from 1 to 5, and Ra and Rb being independently a C1-C6 alkyl or H, with the proviso that Ra and Rb cannot be are not both CH3,
- (CH2)q-SO3Na, with q being selected from 1 to 5,
- (CH2)a-COCH3, with a being selected from 0 to 10
- (CH2)r-Si(OCH3)3, with r being selected from 1 to 5,
- (CH2)s-(CF2)t-CF3, with s being selected from 1 to 5 and t being selected from 1 to 10,
- CO—Rc, with Rc being a C1-C6 alkyl or H,
- (CH2)v-CH3, with v being selected from 5 to 30, and
- (CH2)w-Ar, with w being selected from 1 to 10 and Ar comprising one or two aromatic or heteroaromatic rings,
- wherein the molar ratio of compound (I)/polymer (P0) varies between 0.01/100 and 100/0.01, at a temperature ranging from 10° C. and 300° C.
31 more elements
Dependencies are inferred from the claim text.