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A kind of rewritable, optical anti-reflection coating and preparation method thereof

A coating and optical technology, which is applied in the field of functional polymer material synthesis, can solve the problems of declining wall aesthetics and affecting city appearance, etc., and achieve the effect of good rewritable function

Active Publication Date: 2019-08-27
江苏晨光涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the aesthetics of the wall is reduced due to the graffiti of children in the room, and the random graffiti in the public environment affects the appearance of the city.

Method used

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  • A kind of rewritable, optical anti-reflection coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Preparation of fluorine-containing silicone styrene-acrylic emulsion: put 0.07g emulsifier, 0.07g divinylbenzene, 1.40g St and 60.00g deionized water in a 250ml flask equipped with a stirrer, thermometer and reflux condenser, and put Pre-emulsify in a 75°C water bath for 30min; then add 0.07g of 10% potassium persulfate aqueous solution, and 2 CO 3 The pH of the solution was adjusted to be stable at 9 to 10, and the reaction was carried out for 30 minutes; after completion, 12.60 g of St and 16.00 g of butyl methacrylate were slowly added dropwise with a constant pressure dropping funnel, and 2.56 g of 10% potassium persulfate aqueous solution and 3.00g of γ-methacryloxypropyltriethoxysilane and 5.00g of dodecafluoroheptyl methacrylate, during which the pH of the system was kept stable at 9-10; after the addition was completed, the temperature was raised to 80°C, After reacting for 4 hours, cool naturally to room temperature after completion, and end the reaction; obta...

Embodiment 2

[0031] Preparation of fluorine-containing silicone styrene-acrylic emulsion: put 0.07g emulsifier, 0.07g divinylbenzene, 1.40g St and 60.00g deionized water in a 250ml flask equipped with a stirrer, thermometer and reflux condenser, and put Pre-emulsify in a 75°C water bath for 30min; then add 0.07g of 10% potassium persulfate aqueous solution, and 2 CO 3 The pH of the solution was adjusted to be stable at 9 to 10, and the reaction was carried out for 30 minutes; after completion, 12.60 g of St and 16.00 g of butyl methacrylate were slowly added dropwise with a constant pressure dropping funnel, and 2.56 g of 10% potassium persulfate aqueous solution and 3.00g of γ-methacryloxypropyltriethoxysilane and 5.00g of dodecafluoroheptyl methacrylate, during which the pH of the system was kept stable at 9-10; after the addition was completed, the temperature was raised to 80°C, After 4 hours of reaction, it was naturally cooled to room temperature to end the reaction. A fluorine-con...

Embodiment 3

[0035] Preparation of fluorine-containing silicone styrene-acrylic emulsion: put 0.07g emulsifier, 0.07g divinylbenzene, 1.40g St and 60.00g deionized water in a 250ml flask equipped with a stirrer, thermometer and reflux condenser, and put Pre-emulsify in a 75°C water bath for 30min; then add 0.07g of 10% potassium persulfate aqueous solution, and 2 CO 3 The pH of the solution was adjusted to be stable at 9 to 10, and the reaction was carried out for 30 minutes; after completion, 12.60 g of St and 16.00 g of butyl methacrylate were slowly added dropwise with a constant pressure dropping funnel, and 2.56 g of 10% potassium persulfate aqueous solution and 3.00g of γ-methacryloxypropyltriethoxysilane and 5.00g of dodecafluoroheptyl methacrylate, during which the pH of the system was kept stable at 9-10; after the addition was completed, the temperature was raised to 80°C, After 4 hours of reaction, it was naturally cooled to room temperature to end the reaction. A fluorine-con...

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Abstract

The present invention relates to the field of functional polymer materials, particularly to an optical antireflection rewritable coating material and a preparation method thereof. According to the coating material, a fluorine-containing emulsion copolymer having a silicone structure is prepared from styrene, butyl methacrylate, dodecafluoroheptyl methacrylate, gamma-methacryloxypropyltriethoxysilane and the like through emulsion polymerization, mixing the emulsion copolymer and nano-scale silica, and coating the surface of a material with the obtained mixture. According to the present invention, the coating contains the silicone coating structure so as to provide a certain optical antireflection performance, and the functionality of fluorine is supplemented, such that the obtained functional coating material has the rewritable performance; and the functional coating material has advantages of simple and environmentally friendly preparation process, low cost, significant rewritable performance and optical antireflection performance, and meets the building and home decoration use requirements.

Description

technical field [0001] The invention belongs to the field of synthesizing functional polymer materials, in particular to a rewritable and optical anti-reflection coating and a preparation method thereof. Background technique [0002] With the development of science and technology and social progress, functional materials have become the focus of all walks of life, especially home decoration. The construction field is also increasingly using functional materials on the premise of satisfying the use. For example, the beauty of the wall is reduced due to the graffiti of children indoors, and the random graffiti in the public environment affects the appearance of the city. Therefore, the use of functional materials can effectively improve the stain resistance of buildings and interiors, and create a bright environment that can be rewritable, which can improve living comfort and reduce the labor intensity of environmental protection workers to a certain extent. On the premise o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D125/14C09D7/61
Inventor 姜彦薛亚波缪国元蒋春兰
Owner 江苏晨光涂料有限公司
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