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Method for preparing wood decorative veneer paper by spraying titanium white liquid

A technology for wood decoration and veneer paper, applied in special paper, coating, paper and other directions, can solve the problems of inability to guarantee cost and environmental protection performance, increase in cost, poor covering effect, etc., to reduce the actual amount of glue, covering Strong ability and good surface gloss effect

Inactive Publication Date: 2019-03-08
广西沃森木业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor covering effect of domestic paper, problems such as see-through and chromatic aberration often occur. Even if high-quality milky white paper or imported milky white paper is used, 90 or 100 g·m is required to truly achieve opaqueness -2 , the cost is greatly increased, for the currently commonly used 70 ~ 80g m -2 For plain color paper and pattern paper, adding one printing or increasing the amount of gluing will help to improve, but the cost and environmental protection performance cannot be guaranteed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] 1. a method for preparing wood decoration veneer paper by spraying titanium dioxide solution, mainly with the plain color base paper, titanium dioxide solution, melamine formaldehyde resin, urea-formaldehyde resin, resin curing agent, release agent and penetrating agent as 80g with grammage The raw material is made into wood decorative veneer paper through one-time dipping, top-coating spraying, one-time hot air drying, screen coating, second drying and cutting. in:

[0029] (1) The physical and chemical indicators of the melamine-formaldehyde resin are as follows: the appearance is colorless and transparent, the pH is 8.6, the coating-4 viscosity is 14s at 25°C, and the water-soluble ratio is 1.8 times at 25°C; the physical and chemical performance indicators of the urea-formaldehyde resin are as follows: The appearance is colorless and transparent, the pH is 7.5, the viscosity of Tu-4 at 25°C is 14s, and the water solubility at 25°C is 2.5 times;

[0030] (2) The tit...

Embodiment 2

[0040] 1. a kind of method that titanium dioxide spraying prepares wood decoration veneer paper, mainly take the plain color base paper of 95g, titanium dioxide, melamine formaldehyde resin, urea resin, resin curing agent, release agent and penetrating agent as The raw material is made into wood decorative veneer paper through one-time dipping, top-coating spraying, one-time hot air drying, screen coating, second drying and cutting. in:

[0041] (1) The physical and chemical indicators of the melamine-formaldehyde resin are as follows: the appearance is colorless and transparent, the pH is 9.0, the coating-4 viscosity is 14s at 25°C, and the water-soluble ratio is 1.75 times at 25°C; the physical and chemical performance indicators of the urea-formaldehyde resin are as follows: The appearance is colorless and transparent, the pH is 7.3, the viscosity of Tu-4 at 25°C is 14s, and the water solubility at 25°C is 2.8 times;

[0042] (2) The titanium dioxide solution is mixed even...

Embodiment 3

[0052] 1. a kind of titanium dioxide spraying prepares the method for wood decoration veneer paper, mainly with the plain base paper of 65g, titanium dioxide, melamine formaldehyde resin, urea resin, resin curing agent, release agent and penetrating agent as The raw material is made into wood decorative veneer paper through one-time dipping, top-coating spraying, one-time hot air drying, screen coating, second drying and cutting. in:

[0053] (1) The physical and chemical indicators of the melamine-formaldehyde resin are as follows: the appearance is colorless and transparent, the pH is 9.0, the coating-4 viscosity is 14s at 25°C, and the water-soluble ratio is 1.75 times at 25°C; the physical and chemical performance indicators of the urea-formaldehyde resin are as follows: The appearance is colorless and transparent, the pH is 7.3, the viscosity of Tu-4 at 25°C is 14s, and the water solubility at 25°C is 2.8 times;

[0054] (2) The titanium dioxide solution is mixed evenly ...

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Abstract

The invention discloses a method for preparing wood decorative veneer paper by spraying titanium white liquid. The wood decorative veneer paper is prepared through steps of primary gum dipping, coating and spraying, primary hot air drying, anilox coating, secondary drying and cutting by mainly taking plain colored base paper, titanium white liquid, melamine formaldehyde resin, urea formaldehyde resin, a resin curing agent, a mold releasing agent and a penetrating agent as raw materials. The decorative veneer paper with strong covering ability, good surface gloss and stable color and lustre canbe obtained by an effective spraying technology; the decorative veneer paper has the advantages of reducing the number of printing inks and reducing the actual glueamount compared with the traditional plain colored melamine gum dipping paper, and can be used as a medium-to-high-end plain colored veneer paper and applied to the wood-based panel decoration industry; a pressed veneer wood-based panel meets an E1 environmental protection grade of GB / T14732-2017; and the decorative veneer paper has relatively good economic and environmental protection benefits.

Description

technical field [0001] The invention relates to the technical field of decorative wood-based panels, in particular to a method for preparing wood decorative veneer paper by spraying titanium dioxide solution. Background technique [0002] Facing wood-based panels are widely used in the fields of wooden furniture, wooden floor production and wall decoration, and are important interior decoration materials. The plain color (such as angel white) board in the veneer is a widely used and relatively common board, and its output and demand are large. However, due to the poor covering effect of domestic paper, problems such as see-through and chromatic aberration often occur. Even if high-quality milky white paper or imported milky white paper is used, 90 or 100 g m is required to truly achieve opaqueness -2 , the cost is greatly increased, for the currently commonly used 70 ~ 80g m -2 For plain color paper and pattern paper, adding one printing or increasing the amount of gluing ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H27/28D21H23/50D21H23/32D21H23/72D21H17/57D21H19/14D21H19/24D21H21/14
CPCD21H17/57D21H19/14D21H19/24D21H21/14D21H23/32D21H23/50D21H23/72D21H27/28
Inventor 黄宇晖詹华东潘礼成李洪
Owner 广西沃森木业科技有限公司
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