Temperature-sensitive reversible color wooden material and manufacturing method thereof

A technology of wood materials and manufacturing methods, which is applied in the direction of impregnating wood, manufacturing tools, wood impregnation, etc., can solve the problems of material surface damage, time-consuming and labor-consuming, etc., and achieve good dimensional stability, high sensitivity to color change, and stable color change performance Effect

Inactive Publication Date: 2010-09-01
INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when people use wooden materials, they usually use paint to obtain the required color. When people want to make the surface of the material appear in different color

Method used

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  • Temperature-sensitive reversible color wooden material and manufacturing method thereof
  • Temperature-sensitive reversible color wooden material and manufacturing method thereof
  • Temperature-sensitive reversible color wooden material and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Preparation of wooden materials

[0026] The wood material can be pre-treated before impregnation or directly impregnated. Microwave, steam and other pretreatment of wood materials can help to open the blocked channels that hinder the flow of fluid inside the wood, and help the thermochromic agent to fill the micro-voids in the wood material and transfer to deeper parts inside the wood material.

[0027] (2) Preparation of thermochromic agent

[0028] Crystal violet lactone is used as the leuco agent, bisphenol A is used as the color developer, and n-dodecyl alcohol is used as the solvent. First take a certain amount of dodecyl alcohol and add it to the dipping tank, such as 50kg, then take crystal violet lactone and bisphenol according to the leucochromant, developer, solvent mass ratio 1: (0.1-30): (1-200) Add A into the dipping tank, such as 50kg of crystal violet lactone and 10kg of bisphenol A, and stir well to make the three ingredients mix evenly, and then ...

Embodiment 2

[0040] (1) Preparation of wooden materials

[0041] The wood material to be impregnated is subjected to steam pretreatment, the steam temperature is 180°C, and the treatment time is 10 minutes. After treatment, the wood is dried to a moisture content of 8-12%.

[0042] (2) Preparation of thermochromic agent

[0043] Heat-sensitive red and heat-sensitive yellow are selected as leucochrome, bisphenol A is used as color developer, and n-hexadecanol is used as solvent to prepare thermochromic agent.

[0044] (3) Impregnation of wood materials

[0045] Ultrasonic impregnation treatment is carried out on the wood material, the impregnation temperature is 70°C, the impregnation time is 3h, and the ultrasonic power is 120W.

[0046] (4) Treatment after impregnation of wood materials

[0047] Wash the impregnated wood material with clean water at 50-100°C and dry it to obtain figure 2 Temperature-sensitive reversible discoloration of wood material shown.

[0048] The temperature...

Embodiment 3

[0050] (1) Preparation of wooden materials

[0051] Control the moisture content of the wood to 20-40%, and use microwaves to pretreat the wood. Microwave pretreatment of wood, without destroying the structure of the wood itself, can dredge as many channels in the wood as possible that hinder the flow of fluid, and improve the penetration depth, penetration uniformity and integrity of the thermochromic agent on the wood substrate . The ideal wood impregnation effect can be obtained by controlling the microwave radiation power density at 0.1-10w / cm3, the radiation temperature at 80°C-120°C, and the radiation time at 1-30min.

[0052] (2) Preparation of thermochromic agent

[0053] Thermosensitive red and thermosensitive green are selected as leucochromic agents, bisphenol A is used as color developer, and n-tetradecyl alcohol is used as solvent to prepare thermochromic agent.

[0054] (3) Impregnation of wood materials

[0055] Carry out vacuum impregnation treatment on woo...

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PUM

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Abstract

The invention discloses a temperature-sensitive reversible color wooden material and a manufacturing method thereof. The surface of the temperature-sensitive reversible color wooden material is provided with a temperature-sensitive reversible color functional layer; the functional layer is formed by dipping temperature colour-changing agent into the wooden material from the surface and remaining the agent in the pore of wooden material; the temperature-sensitive reversible color functional layer can be reversibly changed into another color from one color along with the change of temperature in a preset temperature zone. The wooden material of the invention can be used as wooden structure material and can be used as wooden facing material. The invention also discloses a special temperature colour-changing agent which mainly comprises procrypsis agent, colour-developing agent and solvent, wherein the procrypsis agent determines color change, the colour-developing agent determines color change shade, and the solvent determines color change temperature; the proportion of three ingredients is adjusted to control color, color change degree and color change temperature zone of temperature colour-changing wooden material.

Description

technical field [0001] The invention relates to a wooden material capable of intelligently changing color with changes in ambient temperature within a certain temperature range and a manufacturing method thereof. Background technique [0002] At present, when people use wooden materials, they usually use paint to obtain the required color. When people want to make the surface of the material appear in different colors, they need to remove the original paint and repaint it with a new color. Paint, which is not only time-consuming and labor-intensive, but also causes damage to the surface of the material. And if the wood material itself can change color according to people's needs, it will not only bring convenience to people's use, but also will further enrich the functions of the wood material and greatly expand its application field. Contents of the invention [0003] The object of the present invention is to provide a temperature-sensitive reversible discoloration wood ...

Claims

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Application Information

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IPC IPC(8): B27K3/00B27K3/12B27K3/50
Inventor 傅峰卢克阳鲍甫成刘志佳彭立民陈志林林兰英
Owner INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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