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Corrosion-resistant wood coating and preparation method therefor

A technology for wood coatings and raw materials, used in anti-corrosion coatings, anti-fouling/underwater coatings, hyaluronic acid coatings, etc. problem, to achieve the effect of improving anti-corrosion performance, enhancing weather resistance, and good bacteriostatic effect

Inactive Publication Date: 2016-01-13
JMINDUSTRIES GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The acrylic emulsion wood coatings currently on the market also have the following disadvantages: 1. The coating film is soft and has poor sandability; 2. The coating has poor permeability to the substrate, which makes the adhesion between the coating film and the substrate after film formation Insufficient effort; 3. Acrylic emulsion mainly relies on physical film formation, the water resistance and solvent resistance of the coating film are poor, and the phenomenon of "hot stickiness and cold brittleness" of the coating film is serious; 4. The gloss of the coating film is low and the fullness is poor

Method used

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Embodiment Construction

[0026] A kind of anticorrosion wood coating, it is made up of following raw materials of weight part:

[0027] Octylisothiazolinone 10, Sodium Pyrophosphate 2, Potassium Periodate 0.1, Sodium Acetate 1, Chitosan 7, Polyvinyl Alcohol 24, Nano αFe2O3 0.1, Polyglycerol Fatty Acid Ester 1.3, Sericin 2, Beeswax 5. Natural latex 70, acrylic emulsion 560, titanium dioxide 140, N, N diethylaniline 0.7, polyvinylpyrrolidone 1, 2-mercaptobenzimidazole 3, epoxy butyl cottonseed oleate 0.3, seabuckthorn oil 0.7.

[0028] A kind of preparation method of described anticorrosive wood coating, comprises the following steps:

[0029] (1) Add the above-mentioned sodium pyrophosphate to 20 times of water, stir evenly, and add potassium periodate as a buffer;

[0030] (2) Add the above polyvinylpyrrolidone into 3 times deionized water, stir evenly, add 2% of the weight of the above polyvinyl alcohol, keep stirring at 50°C for 4 minutes, and obtain antiseptic solution a;

[0031] (3) Add sodium ...

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Abstract

The invention discloses a corrosion-resistant wood coating which is prepared from the following raw materials in parts by weight: 10-12 parts of octylisothiazolinone, 2-3 parts of sodium pyrophosphate, 0.1-0.13 part of potassium periodate, 1-2 parts of sodium acetate, 7-10 parts of chitosan, 24-30 parts of polyvinyl alcohol, 0.1-0.2 part of nano alpha-Fe2O3, 1.3-2 parts of polyglycerol fatty acid ester, 2-3 parts of sericin, 5-7 parts of beewax, 70-100 parts of natural latex, 560-600 parts of an acrylic emulsion, 140-160 parts of titanium oxide, 0.7-1 part of N,N-diethyl aniline, 1-2 parts of polyvinylpyrrolidone, 3-5 parts of 2-mercapto benzimidazole, 0.3-1 part of epoxy cotton seed butyl oleate and 0.7-1 part of sea buckthron oil. The octylisothiazolinone, the polyvinylpyrrolidone and the like which are added can effectively improve the corrosion resistance of the film and enhance the weather resistance of the film.

Description

technical field [0001] The invention relates to the technical field of wood coatings, in particular to a preservative wood coating and a preparation method thereof. Background technique [0002] The acrylic emulsion wood coatings currently on the market also have the following disadvantages: 1. The coating film is soft and has poor sandability; 2. The coating has poor permeability to the substrate, which makes the adhesion between the coating film and the substrate after film formation Insufficient effort; 3. Acrylic emulsion mainly relies on physical film formation, the water resistance and solvent resistance of the coating film are poor, and the phenomenon of "hot stickiness and cold brittleness" of the coating film is serious; 4. The gloss of the coating film is low and the fullness is poor . Therefore, in order to improve the above shortcomings, it is particularly important to modify the acrylic emulsion coating. Contents of the invention [0003] The object of the p...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D107/02C09D129/04C09D105/08C09D189/00C09D5/14C09D5/08C09D7/12
Inventor 周洪杰周楠王亚敏于洋周煜
Owner JMINDUSTRIES GRP
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