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Nano silicon dioxide modified hard wood wax oil and preparation method thereof

A nano-silica, hard wood technology, applied in wax coatings, polyester coatings, coatings, etc., can solve the problems of peeling or scratching of the paint film, low hardness of the dry film of the coating, expansion deformation and cracking, etc. The effect of accelerating release, high porosity, and accelerating oxygen absorption polymerization rate

Inactive Publication Date: 2012-04-11
深圳市圣马斯科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of solvent-based nitro paint / polyurethane paint are: (1) Contains harmful ingredients, such as "triphenyl" (benzene, toluene, xylene), or TDI, formaldehyde, polycyclic aromatic hydrocarbons or Eight heavy metals (Cd, Pb, Hg, Cr, Ba, Se, As, Sb); (2) When the external temperature and humidity changes, the coating of wood products can adjust the internal ventilation poorly, and it is prone to expansion deformation and cracking.
(3) The coating is surface-covering type, and the paint film will peel off or be scratched in the event of collision and friction; while ordinary wood wax oil is coated with slow drying speed, low hardness of the dry film of the coating, and poor wear resistance

Method used

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  • Nano silicon dioxide modified hard wood wax oil and preparation method thereof
  • Nano silicon dioxide modified hard wood wax oil and preparation method thereof
  • Nano silicon dioxide modified hard wood wax oil and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0043] Example 1, see figure 1 . The present embodiment is a preferred embodiment, that is, a kind of matt nano-silica modified hard wood wax oil, the raw materials it includes and its weight percent content are:

[0044] Hard tung oil or linseed oil 36%,

[0045] Carnauba wax with a softening point between 85°C and 95°C

[0046] 17%,

[0047] The oil length is 78%-80%, and the solid content is more than 98% of linseed oil long oil alkyd resin

[0048] 17%,

[0049] Nano silica 3% with a particle size between 60-80nm,

[0050] Aromatic hydrocarbons with a distillation range between 160-200° 25.0%

[0051] Isooctanoate compound drier 1.7%,

[0052] Methyl ethyl ketone oxime 0.3%.

[0053] The performance comparison table between this product and ordinary wood wax oil / nitro paint / polyurethane paint figure 1 .

Embodiment 2

[0054] Example 2, see figure 2 . The method for making product of the present invention comprises the following steps:

[0055] The first step is to prepare material A:

[0056] (1) The hard tung oil that is 36% by weight percentage content is added to reactor, after keeping 30-60 minute in the scope of 280 °-290 ℃ of temperature, when testing viscosity in the scope of 6-10Pa.s, rapidly cool down to Below 180℃;

[0057] (2) When the temperature drops to 115°-125° C., add decyclic aromatic hydrocarbons with a weight percentage content of 12%, and add carnauba wax with a weight percentage content of 17%, and cool down and leave the kettle after the dissolution is complete;

[0058] The second step is to prepare material B:

[0059] (1) the linseed oil long oleoresin that the weight percent content is 17% joins in the high-speed disperser;

[0060] (2) In the above-mentioned high-speed disperser, adding a decyclic aromatic hydrocarbon with a weight percent content of 13% is...

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Abstract

The invention discloses a nano silicon dioxide modified hard wood wax oil and a preparation method thereof. The invention aims to overcome the defects of low drying speed and low hardness in the existing wood wax oil, and to be applied to furniture application instead of common wood wax oil or nitrocellulose paint / polyurethane paint. The product comprises the following raw materials in percentage by weight: 35-45% of modified hard tung oil or linseed oil, 15-25% of carnauba wax of which the softening point is 85-95 DEG C, 15-25% of linseed oil long oil alkyd of which the oil length is 78-80% and the solid content is higher than 98%, 3-5% of nano silicon dioxide of which the particle size is 60-80 nm, 20-30% of decyclized aromatic hydrocarbon of which the distillation range is 160-200 degrees, 1-2% of isooctoate compound drying agent and 0.3-0.5% of methylethylketoxime. The preparation method comprises the following steps: preparing a material A, preparing a material B, and mixing the material A and the material B.

Description

technical field [0001] The invention relates to a coating used on wood products and a production method thereof, and is characterized in that it is an environment-friendly high-solid content coating used on wood products and a production method thereof. Background technique [0002] my country's "Twelfth Five-Year Plan for the Coatings Industry" points out that the focus and direction of the structural adjustment of the coatings industry is to encourage environmentally friendly and resource-saving coatings - water-based coatings, high-solid coatings, solvent-free coatings, radiation-curing coatings, etc. However, ordinary wood wax oil or solvent-based nitro / polyurethane furniture paint is mostly used for wood product coating. The problems of solvent-based nitro paint / polyurethane paint are: (1) Contains harmful ingredients, such as "triphenyl" (benzene, toluene, xylene), or TDI, formaldehyde, polycyclic aromatic hydrocarbons or Eight heavy metals (Cd, Pb, Hg, Cr, Ba, Se, As...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D191/00C09D191/06C09D167/08C09D7/12
Inventor 刘光君
Owner 深圳市圣马斯科技有限公司
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