Polyether polyesters having anionic functionality
First Claim
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1. A polyester compound prepared by reacting reactants consisting of anionic diacid monomer selected from the group consisting of dimethyl 5-sulfoisophthalate, sulfosuccinic acid, 4-sulfophthalic acid, sulfonaphthalic acid, salts thereof and anhydrides thereof and combinations thereof;
- with polytetrahydrofuran and poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol).
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Abstract
Polyester compositions and methods of producing and using same are provided. The polyester compositions at least include an anionic diacid monomer or diester monomer thereof and a polyether. The polyester compositions of the present invention can be effectively utilized, for example, to treat crude oil during production and refinery processing.
36 Citations
17 Claims
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1. A polyester compound prepared by reacting reactants consisting of anionic diacid monomer selected from the group consisting of dimethyl 5-sulfoisophthalate, sulfosuccinic acid, 4-sulfophthalic acid, sulfonaphthalic acid, salts thereof and anhydrides thereof and combinations thereof;
- with polytetrahydrofuran and poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol).
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
Specification