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

A nano-silica, hardwood technology, applied in the direction of wax paint, polyester paint, coating, 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., to achieve Accelerated release, high porosity, accelerated oxygen absorption polymerization speed effect

Inactive Publication Date: 2013-10-30
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

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1, see figure 1 . This embodiment is a preferred embodiment, that is, a matt nano-silica modified hardwood wax oil, which includes raw materials and their weight percentage content:

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

[0045] Carnauba wax with softening point between 85℃-95℃

[0046] 17%,

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

[0048] 17%,

[0049] 3% of nano-silica with a particle size of 60-80nm,

[0050] Decyclic aromatic hydrocarbons with a distillation range of 160-200° 25.0%

[0051] Isooctanoate compound drier 1.7%,

[0052] Methyl ethyl ketoxime 0.3%.

[0053] The performance comparison table of this product and ordinary wood wax oil / nitrocellulose paint / polyurethane paint is shown in the table figure 1 .

Embodiment 2

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

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

[0056] (1) Add 36% by weight of hard tung oil into the reactor and keep it in the temperature range of 280°-290°C for 30-60 minutes. When the test viscosity is in the range of 6-10 Pa.s, the temperature will be quickly reduced to Below 180℃;

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

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

[0059] (1) Add 17% linseed oil long oleoresin into the high-speed dispersing machine;

[0060] (2) Add 13% by weight decyclic aromatic hydrocarbons to the above-mentioned high-speed dispersing machine, and disperse uniformly at a rotation speed of less than 500 rpm;

[0061] (3) Add 3% by weight of nano-silica i...

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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 paint used on wood products and a manufacturing method thereof, and is characterized by an environmentally friendly high-solid paint used on wood products and a manufacturing method thereof. Background technique [0002] my country’s "Twelfth Five-Year Plan for the Coating Industry" pointed out that the focus and direction of the structural adjustment of the coating industry is to encourage environmentally friendly and resource-saving coatings-water-based coatings, high-solid coatings, solvent-free coatings, radiation curing coatings, etc. However, nowadays, common wood wax oil or solvent-based nitro / polyurethane furniture paint is mostly used for wood products. Solvent-based nitro paint / urethane paint has the following problems: (1) It contains ingredients harmful to the human body, such as "triphenyl" (benzene, toluene, xylene), or TDI, formaldehyde, polycyclic aromatic hydrocarbons or Eight heavy metals (Cd, Pb, Hg, Cr, Ba, Se...

Claims

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Application Information

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Patent Type & Authority Patents(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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