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Nanometer Tio2-organic silicon modified coating and application thereof

An organosilicon and nano-silica technology, applied in the field of wood processing, can solve the problems of insignificant self-cleaning effect of the coating, long preparation period and high equipment cost, and achieve excellent long-term self-cleaning function and good resistance to organic pollutants. , the effect of high equipment cost

Inactive Publication Date: 2019-02-22
DEHUA TB NEW DECORATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above-mentioned preparation method has a long preparation period, high equipment cost, high energy consumption, and great environmental pollution, and the self-cleaning effect of the obtained coating is not obvious

Method used

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  • Nanometer Tio2-organic silicon modified coating and application thereof
  • Nanometer Tio2-organic silicon modified coating and application thereof
  • Nanometer Tio2-organic silicon modified coating and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1 TiO 2 -Silicone modified coating

[0026] Nano-TiO 2 -The pH of the organosilicon modified coating is 7.8, and its composition in parts by weight is as follows:

[0027]

[0028] The nano-TiO mentioned above 2 -The preparation method of organosilicon modified coating is: according to the above parts by weight,

[0029] S1, silica and nano-TiO 2 Particles were added to 250ml of styrene-acrylic emulsion at a ratio of 2:1, and ultrasonically stirred for 10min at a frequency of 10HZ to form solution A;

[0030] S2. Slowly add solution A to the beaker filled with thermoplastic film-forming resin, and add alcohol ester-12, sodium hexaphosphoric acid metaphosphate, KH580, talcum powder, butanol, water-insoluble dextran, ultrafine Stir for 20 minutes, frequency 10HZ, after stirring evenly, coat on the veneer surface, and get super-hydrophobic coating after drying.

Embodiment 2

[0031] Example 2 Nano TiO 2 -Silicone modified coating

[0032] Nano-TiO 2 -The pH of the organosilicon modified coating is 8.0, and its composition in parts by weight is as follows:

[0033]

[0034]

[0035] The nano-TiO mentioned above 2 -The preparation method of organosilicon modified coating is: according to the above parts by weight,

[0036] S1, thirteen phosphine trimethoxysilane nanoparticles and nano TiO 2 Particles were added to 250ml of styrene-acrylic emulsion at a ratio of 2:1, and ultrasonically stirred for 15 minutes at a frequency of 20HZ to form solution A;

[0037] S2. Slowly add solution A to the beaker filled with thermoplastic film-forming resin, and add appropriate proportion of alcohol ester-12, acrylate, acrylate, talcum powder, butanol, water-insoluble dextran, and stir for 30 minutes , Frequency 20HZ, after stirring evenly, coat on the veneer surface, and get super-hydrophobic coating after drying.

Embodiment 3

[0038] Example 3 Nano TiO 2 -Silicone modified coating

[0039] The nano-TiO 2 -The pH of the organosilicon modified coating is 8.2, and its composition in parts by weight is as follows:

[0040]

[0041] Said nano-TiO 2 -The preparation method of organosilicon modified coating is: according to the above parts by weight,

[0042] S1. Diphenyldimethoxysilane nanoparticles and nano-TiO 2 Particles were added to 250ml of styrene-acrylic emulsion at a ratio of 2:1, and ultrasonically stirred for 20min at a frequency of 30HZ to form solution A;

[0043] S2. Slowly add solution A to the beaker filled with thermoplastic film-forming resin, and add alcohol ester-12, polyurethane, KH580, talcum powder, butanol, and water-insoluble dextran in appropriate proportions, and stir for 40 minutes with ultra-micro stirring. 30HZ, after stirring evenly, it is coated on the veneer surface, and the super-hydrophobic coating can be obtained after drying.

[0044] The decorative veneer pre...

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Abstract

The invention provides a nanometer TiO2-organic silicon modified coating. The coating is composed of the following components in parts by weight: 10-40 parts of organic silicon nanoparticles, 90-110 parts of thermoplastic film forming resin, 44-48 parts of styrene-acrylic emulsion, 5-20 parts of nanometer TiO2 particles, 4-6 parts of film forming auxiliary, 2-8 parts of dispersant, 2-8 parts of coupling agent, 6-10 parts of filler, 1-2 parts of defoaming agent and 0.25-0.75 part of water-insoluble glucosan.

Description

technical field [0001] The invention belongs to the field of wood processing, in particular to a nano-TiO 2 -Silicone-modified coatings and their applications. Background technique [0002] With the continuous development of my country's decorative material industry, decorative veneer is well known to the public, which not only alleviates the contradiction between supply and demand of precious wood in my country, but also has a decorative effect far superior to ordinary impregnated paper veneers and PVC veneers. However, decorative veneer itself has the properties of wood. It is a porous material and has anisotropy. post-management costs. Therefore, it is of great significance to endow it with self-cleaning, anti-corrosion, waterproof and other properties by chemically or physically modifying the surface of artificial decorative veneer. [0003] At present, technologies that imitate some natural phenomena to solve practical problems in human life have attracted more and m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D125/06C09D133/12C09D125/14C09D5/16C09D7/61C09D7/63
CPCC08K2003/2241C08K2201/011C08L2201/08C08L2205/03C08L2205/035C09D5/1662C09D5/1687C09D125/06C09D133/12C09D175/04C08L25/14C08K13/02C08K3/22C08K3/36C08K5/5419
Inventor 詹先旭徐平华张奇孙曾斐赵津良唐新忠严凤祥林惠根袁水华
Owner DEHUA TB NEW DECORATION MATERIAL CO LTD
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