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Preparation process of green pigment capable of reflecting infrared rays and heat-insulating paint

A green pigment and infrared technology, applied in polyester coatings, fibrous fillers, dyeing physical treatment, etc., to achieve good infrared reflection performance and good performance

Active Publication Date: 2017-04-26
YANGZHOUSRKLE INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the method used to prepare these infrared reflective pigments is mainly to grind and mix the raw materials before calcining, and the method of dissolving the raw materials in water, compound coprecipitation under ultrasonic conditions, grinding and firing to prepare pigments with better infrared reflective ability has not yet been seen. to report

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] (1) By weight, weigh the raw materials of the following components: 100 parts of titanium dioxide, 45 parts of molybdenum trioxide, put into a ball mill and mix and grind evenly to obtain a composite doping component;

[0015] (2) By weight, weigh the raw materials of the following components: 100 parts of chromium trichloride hexahydrate, 15 parts of aluminum sulfate 18 hydrate, 2.5 parts of composite doping components, 350 parts of water, put into a container and mix and stir Evenly, chromium trichloride hexahydrate and aluminum sulfate octadecahydrate are dissolved in water to obtain a composite suspension system;

[0016] (3) Under the action of ultrasonic vibration and stirring dispersion, ammonia water is added dropwise to the composite suspension system, so that the chromium ions and aluminum ions in the composite suspension system form mixed colloidal precipitation of chromium hydroxide, aluminum hydroxide and composite doping components , continue to drop exces...

Embodiment 2

[0019] Each step is the same as embodiment 1, but process parameter is different:

[0020] The molybdenum trioxide in the composite doping component is 40 parts; the aluminum sulfate octadecahydrate in the composite suspension system is 10 parts, the composite doping component is 2 parts, and water is 300 parts; the composite precipitate is fired at 1000 ° C for 2 hours .

Embodiment 3

[0022] Each step is the same as embodiment 1, but process parameter is different:

[0023] The molybdenum trioxide in the composite doping component is 50 parts; the aluminum sulfate octadecahydrate in the composite suspension system is 20 parts, the composite doping component is 3 parts, and water is 400 parts; the composite precipitate is fired at 1050 ° C for 3 hours .

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Abstract

The invention discloses a preparation method of a green pigment capable of reflecting infrared ray, and a thermal-insulation paint. According to the preparation method, chromium chloride hexahydrate, and aluminium sulfate octadecahydrate are dissolved in water, and then are uniformly mixed with titanium dioxide and molybdenum trioxide; ammonium hydroxide is added dropwise into an obtained mixture; an obtained mixed material is subjected to ultrasonic wave treatment and stirring dispersion so as to obtain a mixed colloidal coprecipitation containing a composite doping component; the mixed colloidal coprecipitation containing the composite doping component is subjected to precipitation grinding, is subjected to sintering for 2 to 3h at 1000 to 1050 DEG C, is cooled, and then is delivered into a ball mill so as to obtain a powder via grinding. The green pigment possesses excellent infrared reflection performance, and can be added into paint so as to prepare thermal insulation coating products.

Description

technical field [0001] The invention relates to a preparation method of a pigment capable of reflecting infrared rays and an application of the pigment. Background technique [0002] Green-coated tanks, military facility shells, car shells, etc. have better concealment in the jungle, but the green coating will absorb heat in the sun, especially in summer, which will easily increase the temperature inside the car and indoor And cause discomfort to the people, also be unfavorable for the preservation and conveying of articles etc. Using the green pigment with the function of reflecting infrared radiation, adding it to coatings, plastic sheets and other products can prepare products with heat insulation function. It is applied to the shell coating of automobiles, building roofs, storage tanks, tanks, military facilities, etc., as well as explosion-proof membranes, heat shields, etc., which can reflect infrared radiation in sunlight (the main conductor of solar heat) radiation....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/12C09D167/08C09C1/40C09C3/04C09C1/36C09C1/34
Inventor 杨晓明冯小明张营堂
Owner YANGZHOUSRKLE INDAL
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