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Wood-ceramic composite anti-cracking material

A wood-ceramic and wood-based technology, applied in the field of wood-ceramic composite anti-cracking materials, can solve problems such as poor mechanical properties and easy cracking, and achieve the effects of reducing reduction, improving permeability and reducing carbon content.

Pending Publication Date: 2019-10-08
魏炎梅
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a wood-ceramic composite anti-cracking material for the problems of easy cracking and poor mechanical properties of the currently commonly used wood-ceramic composite materials

Method used

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Examples

Experimental program
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Effect test

preparation example Construction

[0030] A method for preparing a composite treated wood material, comprising the steps of:

[0031] S1. Take poplar and cut it into 5×2×3mm 3The small pieces were mixed with reagent A at a mass ratio of 1:12~20, left at room temperature for 20~45min, filtered, and the filter residue was dried in an oven at 80~100°C for 4~8h, then moved to a pyrolysis furnace, protected by nitrogen gas, and 4 ~8°C / min rate program temperature rise to 120~150°C, heat preservation for 3~5 days, to obtain dry plate, according to parts by weight, sequentially take 20~40 parts of glucose, 10~15 parts of citric acid, 30~50 parts of Water ethanol, 8~13 parts of phospholipid, 3~6 parts of cottonseed oil are mixed in a mixer, stirred and mixed at 400~700r / min for 3~5h, and the treatment liquid is obtained, and the dry board is taken according to the mass ratio of 1:10~15, and treated Liquid in an autoclave, at 8~15°C, nitrogen protection, control the pressure inside the autoclave to 9.5~10.5MPa, keep th...

Embodiment 1

[0041] Reagent A: Mix sodium carbonate and 10% sodium hydroxide solution at a mass ratio of 2:13 to obtain reagent A.

[0042] Reagent B: Mix the mass fraction of 10% dipotassium hydrogen phosphate solution and absolute ethanol at a mass ratio of 7:3 to obtain reagent B.

[0043] Auxiliary materials: mix polyvinylpyrrolidone and acrylamide at a mass ratio of 5:1 to obtain auxiliary materials.

[0044] Nano material: take nano α-Al according to the mass ratio of 1:2:1 2 o 3 Powder, Nano γ-Fe 2 o 3 powder, nano-Zn powder mixed to get nano-materials.

[0045] Composite enzymatic hydrolysis solution: in parts by mass, 1 part of amylase, 1 part of ligninase, 2 parts of xylanase and 300 parts of sterile water are mixed to obtain the composite enzymatic hydrolysis solution.

[0046] Auxiliary: Mix calcium lignosulfonate and polyvinyl alcohol at a mass ratio of 1:1 to obtain an auxiliary.

[0047] Resin mixture: Mix phenolic resin, epoxy resin, and hydrogenated petroleum resin a...

Embodiment 2

[0059] Reagent A: Mix sodium carbonate and 10% sodium hydroxide solution at a mass ratio of 2:18 to obtain reagent A.

[0060] Reagent B: Mix 10% dipotassium hydrogen phosphate solution and absolute ethanol at a mass ratio of 12:3 to obtain reagent B.

[0061] Auxiliary materials: mix polyvinylpyrrolidone and acrylamide at a mass ratio of 8:1 to obtain auxiliary materials.

[0062] Nano material: take nano α-Al according to the mass ratio of 1:4:1 2 o 3 Powder, Nano γ-Fe 2 o 3 powder, nano-Zn powder mixed to get nano-materials.

[0063] Composite enzymatic hydrolysis solution: in parts by mass, take 4 parts of amylase, 4 parts of ligninase, 5 parts of xylanase and 500 parts of sterile water and mix to obtain the composite enzymatic hydrolysis solution.

[0064] Auxiliary: Mix calcium lignosulfonate and polyvinyl alcohol at a mass ratio of 4:1 to obtain the auxiliary.

[0065] Resin mixture: Mix phenolic resin, epoxy resin, and hydrogenated petroleum resin at a mass ratio...

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Abstract

The invention relates to a wood-ceramic composite anti-cracking material and belongs to the field of preparation of materials. Poplar wood is cut into small blocks; boards are pyrolyzed gradually through secondary heating under nitrogen protection; therefore, the carbon content during treatment decreases, the tissue concentration of high-molecular sugars is maintained, NH3 and CO2 are produced inlater heating process, and uniform sufficient heating and carbonizing are easy to perform to produce the wood-ceramic composite anti-cracking material, and internal mechanical properties are improved.The carbonized rice husk material is prepared from rice husk, sodium fluoride, nano iron powder and other materials through secondary heating and temperature holding; interfacial performance can be improved irreversibly in the system herein, better dispersity and internal binding force are increased for internal ingredients, and anti-cracking and mechanical properties of the wood-ceramic composite anti-cracking material are further improved. The problem is solved that existing common wood-ceramic composites easily crack and have poor mechanical properties.

Description

technical field [0001] The invention relates to a wood-ceramic composite anti-cracking material, which belongs to the field of material preparation. Background technique [0002] Materials are the basis for the existence and development of human society, and the continuous emergence and application of new materials is one of the important symbols of the progress of human civilization. With the progress of society, the development of economy and the improvement of living standards, people pay more and more attention to the earth's resources, environment and ecological balance. Biomass such as wood and nut shells is an important renewable natural polymer material. Compared with other materials derived from mineral resources, the outstanding advantage of biomass materials lies in its renewability. Effective use of biomass resources is in line with the goal of sustainable development of human society. Therefore, the rational development of biomass materials and the creation of...

Claims

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Application Information

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IPC IPC(8): C04B35/52C04B35/622
CPCC04B35/52C04B35/62204C04B2235/3427
Inventor 魏炎梅
Owner 魏炎梅
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