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Formaldehyde-zero ecological plate and preparation method thereof

An ecological board, zero formaldehyde technology, applied in the field of building materials, can solve the problems of enterprises not paying attention to product quality, short use time, excessive formaldehyde, etc., and achieve the effect of good waterproof and fireproof performance, reducing environmental protection pressure, and zero formaldehyde emission.

Inactive Publication Date: 2018-11-23
黎长才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] China's particleboard industry is developing rapidly, but many companies do not pay attention to product quality, and there are series of problems such as formaldehyde exceeding the standard, easy to get damp, and short use time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] First put 20kg of gelatin into water and soak for half an hour, heat until dissolved, add 18kg of lime and stir well, then add 1kg of waterproofing agent and 2kg of fireproofing agent and stir evenly, add 65kg of sawdust and 25kg of fiber silk and mix well, then add Stir 3kg of aluminum powder evenly and let it stand still for foaming, move it into an oven to dry, cut it into plates, and sand it with a film;

[0026] Described waterproofing agent is the mixture of emulsified paraffin and magnesium stearate, and the mass ratio of described emulsified paraffin and described magnesium stearate is 3:2;

[0027] The fireproofing agent is made of alumina, asbestos powder, perlite powder and glass fiber through pulverization, stirring and beating; the mass ratio of the alumina, asbestos powder, perlite powder and glass fiber is 3:2:2: 1;

[0028] The aluminum powder is industrial aluminum powder, analytically pure, with a particle size of 35 μm;

[0029] Cut the ecological b...

Embodiment 2

[0032] First put 20kg of gelatin into water and soak for half an hour, heat until dissolved, add 32kg of cement and stir well, then add 2kg of waterproofing agent and 1kg of fireproofing agent and stir evenly, add 95kg of wood shavings and 5kg of fiber silk and stir evenly, then Add 5kg of aluminum powder, stir evenly and let it stand still for foaming, move it into the oven to dry, cut it into plates, and sand and stick the film;

[0033] Described waterproofing agent is the mixture of molten paraffin and magnesium stearate, and the mass ratio of described emulsified paraffin and described magnesium stearate is 2:1;

[0034] The fireproofing agent is made of alumina, asbestos powder, perlite powder and glass fiber through crushing, stirring and beating; the mass ratio of the alumina, asbestos powder, perlite powder and glass fiber is 2:2:2: 1;

[0035] The aluminum powder is industrial aluminum powder, analytically pure, with a particle size of 10 μm;

[0036] Cut the ecolo...

Embodiment 3

[0039] Soak 35kg of gelatin in water for half an hour, heat until dissolved, add 25kg of cement and stir well, then add 3kg of waterproofing agent and 2kg of fireproofing agent and stir evenly, add 25kg of bamboo wood shavings and 65kg of fiber silk and mix well , and then add 15kg of aluminum powder, stir evenly and let it stand for foaming, move it into the oven to dry, cut it into plates, and sand and stick the film;

[0040] Described waterproofing agent is the mixture of emulsified paraffin and zinc stearate, and the mass ratio of described emulsified paraffin and described magnesium stearate is 5:2;

[0041] The fireproofing agent is made of alumina, asbestos powder, perlite powder and glass fiber through pulverization, stirring and beating; the mass ratio of the alumina, asbestos powder, perlite powder and glass fiber is 1:3:2: 1;

[0042] The aluminum powder is industrial aluminum powder, analytically pure, with a particle size of 72 μm;

[0043] Cut the ecological b...

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Abstract

The invention discloses a formaldehyde-zero ecological plate. The formaldehyde-zero ecological plate is prepared from the following raw materials in parts by weight: 1 to 95 parts of wood flour or wood shavings, 1 to 95 parts of cellosilk, 1 to 50 parts of an organic adhesive, 0.1 to 50 parts of an inorganic adhesive, 0 to 20 parts of aluminum powder, 0.01 to 5 parts of a fire-proofing agent and 0.01 to 2 parts of a water-proofing agent. The invention also discloses a preparation method of the formaldehyde-zero ecological plate. According to the formaldehyde-zero ecological plate disclosed bythe invention, recycled abandoned plates can be reasonably utilized, and the prepared formaldehyde-zero ecological plate has the characteristics of light weight, high compression strength, good fireproofness and waterproofness, zero formaldehyde emission and the like.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a formaldehyde-free ecological board and a preparation method thereof. Background technique [0002] China's particleboard production experience is a repeated process of rising in the 1980s, falling in the 1990s, and rising again in 2000. After the particleboard was abandoned by the market due to poor quality and other reasons, many particleboard companies learned their lessons and introduced foreign advanced production lines and improved technology. The quality of Chinese particleboard has improved significantly, and it has been accepted by the market again. Enterprises have re-selected particleboard as raw material. In recent years, the demand for particleboard in China has been increasing year by year. With the increasing demand for particleboard at home and abroad, and the country's introduction of preferential policies to encourage the development of the wood-ba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/12C04B111/76
CPCC04B28/12C04B2111/76C04B2201/50C04B2111/00017C04B24/14C04B24/34C04B24/085C04B22/06C04B14/40C04B14/18C04B18/26C04B22/04C04B14/42
Inventor 黎长才
Owner 黎长才
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