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Preparation method of coated conductive whisker/composite antistatic coating

An antistatic and coating technology, applied in conductive coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as poor dyeability, and achieve the effect of ensuring antistatic performance and high whiteness value.

Active Publication Date: 2021-09-03
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, with the rapid development of the coatings industry, conductive coatings have received extensive attention in basic research and various basic industries, but at present, most conductive materials based on conductive coatings have dark black or dark green appearance characteristics. Such as polypyrrole, polyaniline and other polymers, or carbon-based, metal-based conductive coatings, etc., these dark conductive coatings lead to poor dyeability in the later stage, thus limiting product applications

Method used

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  • Preparation method of coated conductive whisker/composite antistatic coating
  • Preparation method of coated conductive whisker/composite antistatic coating
  • Preparation method of coated conductive whisker/composite antistatic coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Weigh 17.3g of K 2 CO 3 Dissolve in 30ml of water, after the dissolution is complete, press titanium dioxide and K 2 CO 3 Titanium dioxide was added at a molar ratio of 3:1. After 5 minutes, NaCl was weighed according to 5% of the mass of the titanium dioxide and added to it. After it became a stable paste, it was dried in an oven to obtain a white mixture A;

[0036] After crushing the above A, put it in a microwave sintering furnace, and sinter according to the set program. The heating rate is 20°C / min, the sintering temperature is 1000°C, and the holding time is 60min to obtain potassium tetratitanate whiskers;

[0037] After dispersing potassium tetratitanate whiskers, react them in a hydrochloric acid solution with pH=2 for 4 hours. After pickling, filter and dry the obtained solids and sinter in a microwave sintering furnace for 2 hours at a sintering temperature of 1100°C to obtain rutile TiO 2 whiskers.

[0038] Dissolve tin fluoride and tin tetrachloride i...

Embodiment 2

[0043] Weigh 17.3g of K 2 CO 3 Dissolve in 30ml of water, after the dissolution is complete, press titanium dioxide and K 2 CO 3 Titanium dioxide was added at a molar ratio of 3:1. After 5 minutes, NaCl was weighed according to 5% of the mass of the titanium dioxide and added to it. After it became a stable paste, it was dried in an oven to obtain a white mixture A;

[0044] After crushing the above A, put it in a microwave sintering furnace, and sinter according to the set program. The heating rate is 20°C / min, the sintering temperature is 1000°C, and the holding time is 60min to obtain potassium tetratitanate whiskers;

[0045] After dispersing potassium tetratitanate whiskers, react them in a hydrochloric acid solution with pH=3 for 4 hours. After pickling, the obtained solids are filtered and dried and sintered in a microwave sintering furnace for 2 hours at a sintering temperature of 1100°C to obtain rutile TiO 2 whiskers.

[0046] Dissolve tin fluoride and tin tetra...

Embodiment 3

[0051] Weigh 17.3g of K 2 CO 3 Dissolve in 30ml of water, after the dissolution is complete, press titanium dioxide and K 2 CO 3 Titanium dioxide was added at a molar ratio of 3:1. After 5 minutes, NaCl was weighed according to 5% of the mass of the titanium dioxide and added to it. After it became a stable paste, it was dried in an oven to obtain a white mixture A;

[0052] After crushing the above A, put it in a microwave sintering furnace, and sinter according to the set program. The heating rate is 20°C / min, the sintering temperature is 1000°C, and the holding time is 60min to obtain potassium tetratitanate whiskers;

[0053] After dispersing potassium tetratitanate whiskers, react them in a hydrochloric acid solution with pH=4 for 4 hours. After pickling, filter and dry the obtained solids and sinter them in a microwave sintering furnace for 2 hours at a sintering temperature of 1100°C to obtain rutile TiO 2 whiskers.

[0054] Dissolve tin fluoride and tin tetrachlor...

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Abstract

The invention discloses a preparation method of a coated conductive whisker / composite antistatic coating. The preparation method comprises the following steps: preparing a rutile type TiO2 crude product, calcining the rutile type TiO2 whisker crude product, pickling the rutile type TiO2 whisker crude product and then calcining the rutile type TiO2 whisker crude product, preparing a reaction solution, controlling the pH value for treatment, preparing a light-color coated conductive whisker, and preparing a light-color composite conductive coating. According to the preparation method of the coated conductive whisker / composite antistatic coating provided by the invention, microwaves are selected as a heat source in the preparation process, a light-color conductive material based on rutile TiO2 whiskers is prepared in a solid-phase environment, and the light-color antistatic coating is prepared by taking the light-color conductive material as a conductive base material. In addition to the advantage of high whiteness value, due to the physical structure characteristic of a rod shape, bridging and a conductive loop are easier to form, and the antistatic performance of the prepared finished product is ensured.

Description

technical field [0001] The invention relates to the technical field of chemical production, in particular to a method for preparing a coated conductive whisker / composite antistatic coating. Background technique [0002] In recent years, with the rapid development of the coatings industry, conductive coatings have received extensive attention in basic research and various basic industries. However, at present, most conductive materials based on conductive coatings have dark black or dark green appearance characteristics. Such as polypyrrole, polyaniline and other polymers, or carbon-based, metal-based conductive coatings, etc., these dark conductive coatings lead to poor dyeability in the later stage, thus limiting product applications. At present, the industry continues to develop light-color conductive coatings, and light-color conductive special layers have excellent industrial application value. [0003] SnO 2 Due to its wide bandgap, high light transmittance in the vis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/24
CPCC09D175/04C09D5/24C08K2003/2231C08K9/10C08K7/08C08K3/22
Inventor 逄增媛王锦康葛明桥
Owner JIANGNAN UNIV
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