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Urea formaldehyde alkyd woodenware top coat and method for manufacturing same

A manufacturing method, alkyd technology, applied in the field of coatings, can solve the problems of resource waste of petroleum products, slow drying speed, poor durability of paint films, etc.

Inactive Publication Date: 2008-12-31
DANDILONG CHEM WUXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, polyurethane paint is more popular for wood coating, but there are many disadvantages in polyurethane paint: the polyurethane paint film using aromatic isocyanate as raw material has poor durability, easy yellowing and chalking, and aliphatic isocyanate is used as the main material. Although the raw polyurethane paint is not easy to yellow, it is slow in drying speed and expensive, and its application on wood is limited; polyurethane paint contains a large amount of organic volatile solvents (especially triphenyl) and toxic free isocyanate, which pollutes the air and harms the builders. It will cause certain harm to the health of householders, and the volatilization of a large number of organic solvents will also cause a waste of petroleum product resources.

Method used

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  • Urea formaldehyde alkyd woodenware top coat and method for manufacturing same
  • Urea formaldehyde alkyd woodenware top coat and method for manufacturing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1, a kind of urea-formaldehyde / alkyd wood topcoat, comprises semi-mat clear finish paint and lacquer companion, and the construction weight ratio of semi-mat clear finish paint and paint companion is 1: 0.3, wherein:

[0027] (1) The weight ratio of each component of the semi-matte finish paint is:

[0028] Soybean oil or soybean oil modified medium or short oil alkyd resin with a solid content of 70±2% 34%

[0029] (Sanki Chemical Company, 3370D)

[0030] Butanol etherified urea-formaldehyde resin has a solid content of 60±2% 58%

[0031] (Sanki Chemical Company, 5260)

[0032] Polycarboxylate dispersant (Byk104) 0.2%

[0033] Fumed silica matting agent particle size 1.5-3um (ED30, Gray period) 2%

[0034] Polyethylene wax anti-settling agent (201P, Shanghai Deqian) 1.5%

[0035] Polyether silicone leveling agent (6510, Shanghai Haichuan) 0.25%

[0036] Aralkyl silicone leveling agent (efka3239, Efcona) 0.15%

[0037] E1 defoamer (Shanghai Haichuan) 0...

Embodiment 2

[0047] Embodiment 2, a kind of urea-formaldehyde / alkyd wood finish paint, comprises semi-mat clear finish paint and lacquer companion, and the construction weight ratio of semi-mat clear finish paint and paint companion is 1: 0.4, wherein:

[0048] (1) The weight ratio of each component of the semi-matte finish paint is:

[0049] Soybean oil or soybean oil modified medium or short oil alkyd resin with a solid content of 70±2% 31.5%

[0050] (Sanki Chemical Company, 3370D)

[0051] Butanol etherified urea-formaldehyde resin has a solid content of 60±2% 60.5%

[0052] (Sanki Chemical Company, 5260)

[0053] Polycarboxylate dispersant (Byk104) 0.15%

[0054] Fumed silica matting agent particle size 1.5-3um (ED30, Gray period) 2%

[0055] Polyethylene wax anti-settling agent (201P, Shanghai Deqian) 1.5%

[0056] Polyether silicone leveling agent (6510, Shanghai Haichuan) 0.2%

[0057]Aralkyl silicone leveling agent (efka3239, Efcona) 0.03%

[0058] E1 defoamer (Shanghai Hai...

Embodiment 3

[0066] Embodiment 3, a kind of urea-formaldehyde / alkyd wood finish paint, comprises semi-mat clear finish paint and lacquer companion, and the construction weight ratio of semi-mat clear finish paint and paint companion is 1: 0.35, wherein:

[0067] (1) The weight ratio of each component of the semi-matte finish paint is:

[0068] Soybean oil or soybean oil modified medium or short oil alkyd resin with a solid content of 70±2% 36.5%

[0069] (Sanki Chemical Company, 3370D)

[0070] Butanol etherified urea-formaldehyde resin has a solid content of 60±2% 59.7%

[0071] (Sanki Chemical Company, 5260)

[0072] Fumed silica matting agent particle size 1.5-3um (ED30, Gray period) 1.5%

[0073] Polyethylene wax anti-settling agent (201P, Shanghai Deqian) 1%

[0074] Polyether silicone leveling agent (6510, Shanghai Haichuan) 0.1%

[0075] E1 defoamer (Shanghai Haichuan) 0.2%

[0076] n-Butanol 1%

[0077] (2) The weight ratio of each component of Lacquer Mate is:

[0078] p-t...

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Abstract

Disclosed is urea formaldehyde / alkyd woodenware half-matte top finish, comprising half-matte top finish and lacquer mate; the weight ratio of half-matte top finish and lacquer-mate during the construction is 1:0.3-0.4; wherein the half-matte top finish is composed of bean oil, or alkyd at mediate or short oil length modified from behenic acid, urea resin etherified by butanol, polycarboxylic acid dispersant, aerosol flatting agent, Tissuemat E anti-settling agent, polyether organosilicone leveling agent, aralkyl organosilicone leveling agent, non-siliceous foam killer and normal butanol; the lacquer-mate is composed of paratoluenesulfonic acid, normal butanol and thinner. The top finish is environment-friendly and energy-saving and suits the requirements in the work of lacquering woodenware. The top finish is excellent in performance and the lacquer film is of the same or even better performance than polyurethane lacquer.

Description

technical field [0001] The invention relates to a naturally-drying finish paint for woodware coating, which belongs to the technical field of coatings. Background technique [0002] At present, polyurethane paint is more popular for wood coating, but there are many disadvantages in polyurethane paint: the polyurethane paint film using aromatic isocyanate as raw material has poor durability, easy yellowing and chalking, and aliphatic isocyanate is used as the main material. Although the raw polyurethane paint is not easy to yellow, it is slow in drying speed and expensive, and its application on wood is limited; polyurethane paint contains a large amount of organic volatile solvents (especially triphenyl) and toxic free isocyanate, which pollutes the air and harms the builders. It will cause certain harm to the health of householders, and the volatilization of a large amount of organic solvents will also cause a waste of petroleum product resources. Contents of the inventio...

Claims

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Application Information

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IPC IPC(8): C09D161/24B05D7/06C09D167/08
Inventor 张明祥蒋嘉群
Owner DANDILONG CHEM WUXI
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