Polythiophene/sulfonic acid aqueous polyurethane conductive material as well as preparation method and application thereof
A water-based polyurethane and sulfonic acid water-based technology, used in polyurea/polyurethane coatings, conductive coatings, coatings, etc., can solve the problems of affecting the conductivity of molecules, affecting the solubility, and the expensive solubility of fullerenes, and achieve stable conductivity. good film-forming properties, low cost and outstanding conductivity
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Embodiment 1
[0025] A polythiophene / sulfonic acid aqueous polyurethane conductive material, the preparation process is as follows:
[0026] (1) Preparation of sulfonic acid / waterborne polyurethane emulsion
[0027] Add the mixed solution of hexamethylene diisocyanate and dimethylol propionic acid dropwise to the mixed solution of polytetrahydrofuran, acetone, and catalyst dibutyltin dilaurate with a number average molecular weight of 16000, and control the reaction temperature at 80-90°C. 4h, then dropwise add a mixed solution of hydroxylamine hydrochloride and 1,2-diamino-γ-propanesulfonate sodium, react for 1.5h, then remove acetone, add water and emulsify to obtain sulfonic acid / water-based polyurethane emulsion; among them, polytetrahydrofuran Consumption is 100g, and the molar ratio of polytetrahydrofuran, hexamethylene diisocyanate, dimethylol propionic acid is 1:1.1:0.5, and described hexamethylene diisocyanate and hydroxylamine hydrochloride, 1,2-diamino- The molar ratio of sodium...
Embodiment 2
[0031] A polythiophene / sulfonic acid aqueous polyurethane conductive material, the preparation process is as follows:
[0032] (1) Preparation of sulfonic acid / waterborne polyurethane emulsion
[0033] Add the mixed solution of hexamethylene diisocyanate and dimethylol propionic acid dropwise to the mixed solution of polytetrahydrofuran, acetone, and catalyst dibutyltin dilaurate with a number average molecular weight of 16000, and control the reaction temperature at 80-90°C. 5h, then dropwise add a mixed solution of hydroxylamine hydrochloride and 1,2-diamino-γ-propanesulfonate sodium, react for 1h, then remove acetone, add water to emulsify, and obtain sulfonic acid / water-based polyurethane emulsion; wherein, the amount of polytetrahydrofuran 100g, the molar ratio of polytetrahydrofuran, hexamethylene diisocyanate, and dimethylol propionic acid is 1:1.2:0.4, and the hexamethylene diisocyanate and hydroxylamine hydrochloride, 1,2-diamino-γ - The molar ratio of sodium propane...
Embodiment 3
[0037] A polythiophene / sulfonic acid aqueous polyurethane conductive material, the preparation process is as follows:
[0038] (1) Preparation of sulfonic acid / waterborne polyurethane emulsion
[0039] Add the mixed solution of hexamethylene diisocyanate and dimethylol propionic acid dropwise to the mixed solution of polytetrahydrofuran, acetone, and catalyst dibutyltin dilaurate with a number average molecular weight of 16000, and control the reaction temperature at 80-90°C. 3h, then dropwise add the mixed solution of hydroxylamine hydrochloride and 1,2-diamino-γ-propanesulfonate sodium, react for 2h, then remove acetone, add water to emulsify, and obtain sulfonic acid / water-based polyurethane emulsion; among them, the amount of polytetrahydrofuran 100g, the molar ratio of polytetrahydrofuran, hexamethylene diisocyanate, and dimethylol propionic acid is 1:1.05:0.4, and the hexamethylene diisocyanate and hydroxylamine hydrochloride, 1,2-diamino-γ - The molar ratio of sodium p...
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