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High-strength wood chip adhesive

An adhesive and high-strength technology, applied in the field of wood board manufacturing, can solve the problems of board fragmentation or dispersion, unsatisfactory adhesive effect, etc., and achieve the effect of strong adhesive ability

Inactive Publication Date: 2018-05-11
定远县嘉恒木业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The wood board manufacturing process is usually to crush the raw materials and then extrude them to form new boards. During the extrusion process, some adhesives need to be added to make the formed boards not easy to damage. The effect of the commonly used adhesives is not ideal at present. boards are prone to chipping or dispersing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] A high-strength wood chip adhesive, which is composed of the following raw materials in parts by weight: 30 parts of urea-formaldehyde resin, 1 part of borax, 1 part of caustic soda, 10 parts of magnesium oxide, 15 parts of starch, 15 parts of ethyl α-cyanoacrylate, 9 parts of talcum powder, 22 parts of acetone, 5 parts of propanol, 1 part of lignin and 4 parts of collagen fiber.

Embodiment 2

[0014] A high-strength sawdust adhesive, which is composed of the following raw materials in parts by weight: 50 parts of urea-formaldehyde resin, 5 parts of borax, 3 parts of caustic soda, 20 parts of magnesium oxide, 25 parts of starch, 20 parts of ethyl α-cyanoacrylate, 11 parts of talcum powder, 26 parts of acetone, 7 parts of propanol, 2 parts of lignin and 12 parts of collagen fiber.

Embodiment 3

[0016] A high-strength sawdust adhesive, which is composed of the following raw materials in parts by weight: 40 parts of urea-formaldehyde resin, 3 parts of borax, 2 parts of caustic soda, 15 parts of magnesium oxide, 20 parts of starch, 18 parts of ethyl α-cyanoacrylate, 10 parts of talcum powder, 24 parts of acetone, 6 parts of propanol, 1.5 parts of lignin and 8 parts of collagen fiber.

[0017] The high-strength sawdust adhesive of the invention has strong bonding ability, is suitable for the manufacturing process of wood chips bonded into wood boards, and not only fills the gaps between the saw chips, but also plays the role of bonding.

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PUM

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Abstract

The invention discloses a high-strength wood chip adhesive. The adhesive is prepared from the following raw materials in parts by weight: 30-50 parts of urea-formaldehyde resin, 1-5 parts of borax, 1-3 parts of caustic soda flakes, 10-20 parts of magnesium oxide, 15-25 parts of starch, 15-20 parts of ethyl alpha-cyanoacrylate, 9-11 parts of talc powder, 22-26 parts of acetone, 5-7 parts of propanol, 1-2 parts of lignin and 4-12 parts of collagen fiber. The high-strength wood chip adhesive has high adhesive capability, is suitable for the manufacture process of wood boards by wood chip adhesion, and has filling and adhesion effects on gaps between wood chips.

Description

technical field [0001] The invention relates to the field of wood board manufacturing, in particular to a high-strength wood chip adhesive. Background technique [0002] The wood board manufacturing process is usually to crush the raw materials and then extrude them to form new boards. During the extrusion process, some adhesives need to be added to make the formed boards not easy to damage. The effect of the commonly used adhesives is not ideal at present. The board is prone to chipping or scattering. Contents of the invention [0003] The object of the present invention is to provide a high-strength wood chip adhesive to solve the above-mentioned technical defects. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] A high-strength sawdust adhesive is composed of the following raw materials in parts by weight: 30-50 parts of urea-formaldehyde resin, 1-5 parts of borax, 1-3 parts of caustic soda, 10-20 parts o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J4/06C09J4/02C09J11/04C09J11/08
CPCC09J4/06C09J11/04C09J11/08
Inventor 朱文华
Owner 定远县嘉恒木业有限公司
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