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Preparation method of nano TiO2-orgaic silicon modified paint

A silicone and nanotechnology, applied in the field of wood processing, can solve the problems of long preparation cycle, ineffective coating self-cleaning effect, high energy consumption, etc.

Inactive Publication Date: 2019-01-25
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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  • Preparation method of nano TiO2-orgaic silicon modified paint
  • Preparation method of nano TiO2-orgaic silicon modified paint
  • Preparation method of nano TiO2-orgaic silicon modified paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Rotary cut poplar into 0.1mm thick veneer, sanded to 300 mesh, soaked in 3% NaOH solution for 10min, temperature 20°C, then impregnated with amino resin, dried and cooled, with 50mm / Uniform coating of nano-TiO at min speed 2 -Silicon modified paint, then left to dry for a week at room temperature and humidity at 60%-80%, to obtain the final self-cleaning decorative veneer.

[0027] The nano-TiO 2 -The pH of the organosilicon modified coating is 7.8, and its composition in parts by weight is as follows:

[0028]

[0029]

[0030] Said a kind of nano-TiO 2 -The preparation method of organosilicon coating, is characterized in that, comprises the steps:

[0031] S1, nano silicon dioxide 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;

[0032] S2. Slowly add solution A to the beaker filled with thermoplastic film-forming resin, and add alcoh...

Embodiment 2

[0034] Rotate the oak wood to 1mm veneer, sand it to 300 mesh, soak it in a certain amount of deionized water, the soaking time is 12min, and the treatment temperature is 22°C. The pretreated veneer is impregnated with amino resin, and the amount of glue is controlled. At 140%, after drying and cooling, evenly coat nano-TiO at a speed of 50mm / min 2 - Silicone modified paint, then left to dry for a week at room temperature and humidity at 60%-80% to obtain the final self-cleaning decorative veneer.

[0035] The nano-TiO 2 -The pH of the organosilicon modified coating is 8.0, and its composition in parts by weight is as follows:

[0036]

[0037] A kind of nano TiO 2 -The preparation method of organosilicon coating, is characterized in that, comprises the steps:

[0038] 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 ...

Embodiment 3

[0041] Sand the Pinus sylvestris to 300 meshes, soak it in an absolute ethanol solution with a concentration of 15%, the soaking time is 15s, and the treatment temperature is 25°C. The pretreated veneer is impregnated with amino resin, and the glue amount is controlled at 160 %, after drying and cooling, evenly coat nano-TiO at a speed of 50mm / min 2 - Silicone modified paint, then left to dry for a week at room temperature and 80% humidity to obtain the final self-cleaning decorative veneer.

[0042] The nano-TiO 2 -The pH of the organosilicon modified coating is 8.2, and its composition in parts by weight is as follows:

[0043]

[0044] A kind of nano TiO 2 -The preparation method of organosilicon coating, is characterized in that, comprises the steps:

[0045] 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...

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Abstract

The invention provides a preparation method of nano TiO2-orgaic silicon modified paint. The preparation method is characterized by comprising the following steps: S1, adding the following components into 250ml of styrene-acrylic emulsion in parts by weight: 10 to 40 parts of organic silicon nanoparticles and 5 to 20 parts of nano TiO2 particles; carrying out ultrasonic stirring for 10 to 20 minutes under the frequency of 10 to 30HZ, so as to obtain a solution A; S2, slowly adding the solution A into a beaker containing 90 to 110 parts of thermoplastic film-forming resin; furthermore, adding the following components according to a proper ratio: 4 to 6 parts of a film-forming auxiliary agent, 2 to 8 parts of a dispersant, 2 to 8 parts of a coupling agent, 6 to 10 parts of filling, 1 to 2 parts of a de-foaming agent and 0.25 to 0.75 part of water-insoluble glucan; carrying out ultra-micro stirring for 20 to 40 minutes under the frequency of 10 to 30HZ; uniformly stirring to obtain the nano TiO2-orgaic silicon modified paint.

Description

technical field [0001] The invention belongs to the field of wood processing, in particular to a nano-TiO 2 -The preparation method of organosilicon modified coating. 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 mor...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D133/12C09D4/06C09D4/02C09D5/16C09D7/61C09D7/63C09D7/65
CPCC08K2003/2241C08K2201/011C08L2201/08C08L2205/03C09D4/06C09D5/1662C09D5/1687C09D133/12C09D175/04C08L25/14C08L5/02C08K13/02C08K3/36C08K3/22C08K5/103C08K3/34C08L75/04C08K5/5419
Inventor 杨勇闫文雯陆利华章剑姚红霞倪六顺徐应林冯越敏曹建平
Owner DEHUA TB NEW DECORATION MATERIAL CO LTD
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