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A kind of formula, preparation method and application of pencil board softener

A softener and pencil board technology, applied in chemical instruments and methods, manufacturing tools, other chemical processes, etc., can solve the problems of unsuitable softening treatment of poplar pencil boards, long chemical treatment period, and uneven heat exposure of wood. , to achieve the effect of small expansion and contraction, straight gas texture and low wood requirements

Inactive Publication Date: 2016-03-16
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most domestic manufacturers mainly use the high-temperature baking board method, which has disadvantages such as high energy consumption, uneven heating of wood and collapse, high wood loss rate, and unsuitable softening treatment for poplar wood pencil boards.
The chemical agent treatment method has disadvantages such as a long cycle

Method used

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  • A kind of formula, preparation method and application of pencil board softener
  • A kind of formula, preparation method and application of pencil board softener
  • A kind of formula, preparation method and application of pencil board softener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The specific configuration of medicines and ratios are as follows:

[0020]

[0021] Concrete preparation method: solvent water is placed in container, and part of material urea, sodium sulfite, sodium hydroxide weighed above is added, after dissolving completely, add softener, emulsifier, penetrating agent and protective agent again, obtain transparent liquid.

[0022] Specific implementation of plate processing

[0023] Immerse the poplar wood pencil board (length 183mm*width 73mm*thickness 5mm) into a 0.8% sodium hydroxide solution for 24 hours, take out the pencil board and wash it; then immerse the pencil board in a container containing a pencil board softener for 80 Treat at ℃ for 3 hours; take out the pencil board, rinse it with clean water, and dry it in an oven. The poplar pencil board treated in this way has the characteristics of less resin and lignin content, easy scratching, straight gas texture, fine and uniform structure, moderate soft and hard textu...

Embodiment 2

[0025] A kind of pencil board softener is specifically configured with medicines, and the ratio is as follows:

[0026]

[0027] The specific preparation method is the same as the process in Example 1.

[0028] A kind of concrete application of pencil board softening agent: immerse poplar wood pencil board (length 183mm*width 73mm*thickness 5mm) in mass fraction and be soaked in 0.8% sodium hydroxide solution for 24h, take out pencil board and clean; Immerse in a container containing a pencil board softener and treat at 60°C for 2 hours; take out the pencil board, rinse it with clean water, and dry it in an oven. The poplar pencil board treated in this way has the characteristics of less resin and lignin content, easy scratching, straight gas texture, fine and uniform structure, moderate soft and hard texture, microstrip brittleness, and small expansion and contraction. The softening fluid can treat the pencil board several times in a row.

Embodiment 3

[0030] A kind of pencil board softener is specifically configured with medicines, and the ratio is as follows:

[0031]

[0032] The specific preparation method is the same as the process in Example 1.

[0033] A kind of concrete application of pencil board softening agent: immerse poplar wood pencil board (length 183mm*width 73mm*thickness 5mm) in mass fraction and be soaked in 0.8% sodium hydroxide solution for 24h, take out pencil board and clean; Immerse in a container containing a pencil board softener and treat at 60°C for 2 hours; take out the pencil board, rinse it with clean water, and dry it in an oven. The poplar pencil board treated in this way has the characteristics of less resin and lignin content, easy scratching, straight gas texture, fine and uniform structure, moderate soft and hard texture, microstrip brittleness, and small expansion and contraction. The softening fluid can treat the pencil board several times in a row.

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Abstract

The invention discloses a formula, a preparation method and application of a pencil board softener. According to the formula, the pencil board softener contains an emulsifier, a penetrant, a softener, a lignin removal agent, a degreasant, a protective agent and water, and all the components are proportioned in a certain mass ratio. The preparation method comprises the steps: weighting all the raw materials according to the specified percentage; placing a solvent into a vessel; sequentially adding the lignin removal agent, the degreasant and the softener; and after the lignin removal agent, the degreasant and the softener are dissolved, adding the emulsifier, the penetrant and the protective agent to obtain a liquid product. The pencil board softener is applied as follows: firstly, placing a pencil into a sodium hydroxide solution, and cleaning after soaking for a period of time; then, soaking the pencil board into a softening tank with the pencil board softener, and treating at normal temperature and pressure for 30min to 5h; and finally, taking out the pencil board, cleaning, finishing the softening and denaturation treatment on the pencil board, and drying. The treated pencil board has the characteristics of easiness for peeling and drawing, straight air texture, fine and uniform structure, moderate hardness, small swell-shrink characteristic and the like.

Description

technical field [0001] The invention relates to a medicament formula and a treatment process for the softening treatment of pencil boards, in particular to a novel wood softener, which is applicable to the softening and denaturation treatment of various boards for making pencil boards, including poplar. Background technique [0002] With the rapid development of my country's cultural undertakings and the demand for exports, the pencil industry is highly prosperous, resulting in the excessive consumption of basswood, the main material used in pencils, and resource shortage, and poplar is the best wood to replace basswood. At present, the main methods of pencil board softening treatment technology are: high-temperature baking method, chemical agent treatment method, pressurized heating method. Most domestic manufacturers mainly use the high-temperature baking board method, which has disadvantages such as high energy consumption, uneven heating of wood and collapse, high wood l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K3/00B27K3/50B27K3/02
Inventor 倪华钢江腾飞郑席东
Owner ZHEJIANG SCI-TECH UNIV
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