Polysulfate and polysulfonate polymers
AssigneeThe Scripps Research Institute
InventorsK. Barry SHARPLESS, Peng WU, Hongbo ZHENG
Life of this patent
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Abstract
Polymers of Formula (1), as described herein: [—O-A1-Z(R1)(R2)-A1-O—S(O)2—X1-A2-X1—S(O)2—]n, such as aromatic polysulfates of Formula (2): [—O-A1-Z(R1)(R2)-A1-O—S(O)2—O-A2-Z(R3)(R4)-A2-O—S(O)2—]n, and polysulfonates of Formula (3): [—O-A1-Z(R1)(R2)-A1-O—S(O)2-A2-Z(R3)(R4)-A2-S(O)2—]n (3), are useful, e.g., as dielectric materials in electrostatic energy storage devices such as polymer film capacitors, under harsh electrification conditions, e.g., high electric field and elevated temperatures, and in other applications where relatively high glass transition temperature polymers may be useful.
Claims37
A polymer represented by Formula (1):
- wherein:
- A1, A2 and A3 independently are divalent aryl groups;
- Z is C or Si (preferably C);
- optionally, A2 is A3-Z(R3)(R4)-A3;
- optionally, both A1 divalent aryl groups are bound together by a covalent bond, —CH2—, —CH(R7)—, —C(R7)2—, —O—, —S—, —SO2—, —(C═O)—, —NH—, or —N(R7)—;
- optionally, both A3 divalent aryl groups are bound together by a covalent bond, —CH2—, —CH(R7)—, —C(R7)2—, —O—, —S—, —SO2—, —(C═O)—, —NH—, or —N(R7)—;
- optionally, when Z is C, Z(R1)(R2) and/or Z(R3)(R4) constitute an unsaturated moiety of formula:
- X1 is O or a covalent bond;
- R1 is selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl;
- R2 is selected from the group consisting of H, halogen, alkyl, aryl, arylalkyl, and alkylaryl;
- or R1 and R2 together constitute a first divalent substituent which together with Z constitutes a first hydrocarbon ring or heterocyclic ring;
- R3 is selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl;
- R4 is selected from the group consisting of H, halogen, alkyl, aryl, arylalkyl, and alkylaryl;
- or R1 and R4 together constitute a second divalent substituent which together with Z constitutes a second hydrocarbon or heterocyclic ring;
- R5, R6 and R7 are selected from the group consisting of alkyl, aryl, arylalkyl, and alkylaryl;
- n is the average number of repeating units within the brackets of the formula and has a value sufficient to provide a number average molecular weight (Mn) of at least about 7,000 g/mol;
- as determined by size exclusion chromatography (SEC) using styrene-divinyl benzene columns, DMF/0.2% LiBr elution solvent, and polystyrene molecular weight standards;
- and
- each divalent aryl group and divalent substituent independently is unsubstituted or is substituted by one or more substituent selected from the group consisting of halogen, alkyl, aryl, arylalkyl, alkylaryl, alkoxy, and aryloxy;
- excluding homopolymers of formula:
Dependencies are inferred from the claim text.