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Preparation method of UV (ultraviolet) curing polythiophene derivative conductive polymer material

A technology of polythiophene derivatives and conductive polymers, which is applied in organic chemistry and other fields, can solve the problems of low fluorescence quantum efficiency, and achieve the effects of clear structure characterization, mild process conditions, and less reversible reactions

Active Publication Date: 2014-02-19
JIANGNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Chinese patent ZL 200710019335.8 proposes a method for preparing branched alkyl-substituted thiophene polymers—3-octylthiophene-copolymerized-3-(2-ethyl-1-hexyl)thiophene, which also solves the problem of solubility , and due to the large steric hindrance effect of the side group, it can prevent the fluorescence quenching of electrons, and can overcome the disadvantage of low fluorescence quantum efficiency of linear alkyl-substituted polythiophene derivatives

Method used

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  • Preparation method of UV (ultraviolet) curing polythiophene derivative conductive polymer material
  • Preparation method of UV (ultraviolet) curing polythiophene derivative conductive polymer material
  • Preparation method of UV (ultraviolet) curing polythiophene derivative conductive polymer material

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Embodiment 1

[0025] A method for preparing an ultraviolet light-curable polythiophene derivative conductive polymer material, the steps are:

[0026] (1) Preparation of thiophene derivative monomer: Add 0.12mol of isophorone diisocyanate, 80mL of dioxane and 0.06% by weight of reactant to a 250mL three-neck flask under nitrogen atmosphere. For stannous, 0.12mol of 3-thiophene ethanol was dissolved in 40mL of dioxane and slowly added dropwise at a rate of 12 drops / minute to the three-necked bottle. ℃, reacted for 4 hours; then continue to add 0.12 mol of hydroxyethyl acrylate dissolved in 20 mL of dioxane and p-hydroxyanisole accounting for 0.3% of the double bond moles of the reactant in the dropping funnel, and add 20 drops / Add it dropwise into a three-necked flask at a speed of 1 minute, raise the temperature to 70° C., continue the reaction for 8 hours, and distill off the solvent under reduced pressure to obtain about 0.12 mol of a thiophene derivative monomer with an acrylic acid dou...

Embodiment 2

[0032] A method for preparing an ultraviolet light-curable polythiophene derivative conductive polymer material, the steps are:

[0033] (1) Preparation of thiophene derivative monomer: Add 0.10mol of isophorone diisocyanate, 60mL of toluene and 0.06% of the reactant weight to a 250ml three-necked flask under ice-water bath conditions and a nitrogen atmosphere. For stannous, dissolve 0.10 mol of 3-thiophene methanol in 30 mL of toluene and slowly drop it into the three-neck flask at a rate of 10 drops / minute. After the drop is completed, continue to react in an ice bath for 2 hours, and then heat up to 55 ° C. React for 4 hours; then continue to add 0.10 mol of hydroxyethyl methacrylate dissolved in 15 mL of toluene and p-hydroxyanisole accounting for 0.5% of the double bond moles of the reactant in the dropping funnel, and add 25 drops / min Add it dropwise into a three-necked flask at a high speed, raise the temperature to 70°C, continue the reaction for 10 hours, and distill of...

Embodiment 3

[0036] A method for preparing an ultraviolet light-curable polythiophene derivative conductive polymer material, the steps are:

[0037] (1) Preparation of thiophene derivative monomers: Add 0.11mol of toluene diisocyanate, 70mL of ethyl acetate and 0.09% of dibutyl diisocyanate by weight of reactants to a 250ml three-necked flask under ice-water bath conditions and nitrogen atmosphere. For tin laurate, dissolve 0.11mol of 3-thiophene methanol in 35mL of ethyl acetate and slowly add it dropwise to the three-necked bottle at a rate of 10 drops / min. 60 o C, reacted for 3 hours; then continue to add 0.11mol 7-hydroxyl-4-methylcoumarin dissolved in 20mL ethyl acetate in the dropping funnel, and drop in the three-necked flask at a speed of 20 drops / minute, The temperature was raised to 70° C., the reaction was continued for 10 hours, and the solvent was distilled off under reduced pressure to obtain about 0.11 mol of a thiophene derivative monomer with a coumarin group.

[0038]...

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Abstract

The invention relates to a preparation method of a UV (ultraviolet) curing polythiophene derivative conductive polymer material, and belongs to the technical field of a conductive polymer material. According to the preparation method, a thiophene derivative monomer with a UV curing photosensitive group is prepared through a reaction of diisocyanate and a thiophene derivative, and then the thiophene derivative monomer is polymerized, so that a product of the UV curing polythiophene derivative conductive polymer material is obtained. The conductive polymer material fills up the blank of the UV curing conductive polymer material, further, an adopted preparation process is simple and easy to operate, a catalyst and a reaction medium solvent have a wide selection range, the processing condition is mild, and the requirement for reaction equipment is not high; and moreover, a reversible reaction is not caused easily, the yield is higher than 65%, and favorable conditions are provided for industrialization of the material and the preparation method in the future.

Description

technical field [0001] The invention relates to a preparation method of a polythiophene derivative conductive polymer material that can be cured by ultraviolet light, and belongs to the technical field of conductive polymer materials. Background technique [0002] Compared with metal conductive materials, conductive polymer materials have excellent characteristics such as light weight, easy molding and processing, good corrosion resistance, and wide conductivity range. At present, they have become one of the indispensable raw materials for organic optoelectronic materials. They are mainly used in Preparation of conductive linings, photoelectric display materials, solar photovoltaic cells, information memory materials, shielding or antistatic materials, etc. [0003] Polythiophene is a common conductive polymer material. Like polyfuran and polypyrrole, it is a five-membered heterocyclic compound with a structure similar to an aromatic ring. Conductive polythiophene has good ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G61/12C07D333/24
Inventor 袁妍张煜霖刘仁刘晓亚
Owner JIANGNAN UNIV
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