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Preparation method for biomass adhesive-free plate

A biomass and rubber sheet technology, applied in flat products, household components, applications, etc., can solve the problems of poor fire resistance, poor mechanical properties, and low internal bonding strength of non-plastic sheets, so as to improve mechanical properties and adsorption activity. , the effect of the best flame retardant effect

Inactive Publication Date: 2018-05-04
CHANGZHOU OPTICAL MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is to provide a method for preparing a biomass-free plastic board in view of the defects of poor fireproof performance and low internal bonding strength of the common non-glue board at present.

Method used

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  • Preparation method for biomass adhesive-free plate

Examples

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example 1

[0024] In parts by weight, weigh 20 parts of magnesium nitrate, 25 parts of aluminum nitrate, 15 parts of ferric nitrate and 250 parts of deionized water and mix them for 10 minutes to obtain a mixed solution. The reaction liquid is obtained after mixing at a ratio of 15:2:1; the reaction liquid is mixed with a concentration of 0.5mol / L citric acid solution and nickel boride at a mass ratio of 10:60:1 to obtain a mixture, and the high-pressure hydrothermal In the kettle, close the high-pressure hydrothermal kettle, heat it up to 190°C under 1.2MPa, and conduct a hydrothermal reaction for 25 hours. After the hydrothermal reaction is completed, filter and separate to obtain the filter residue, which is a self-made reinforced flame retardant; the mass ratio is 1:10 Mix bagasse and sodium hydroxide solution with a mass fraction of 20% and put it into a pressure cooker, heat up to 180°C at 150kPa, heat-preserve and cook for 1 hour, filter and separate the filter residue after heat-p...

example 2

[0026]In parts by weight, take 25 parts of magnesium nitrate, 30 parts of aluminum nitrate, 18 parts of ferric nitrate and 280 parts of deionized water and mix for 13 minutes to obtain a mixed solution. The mixed solution and the mass fraction are 30% ammonia and potassium carbonate The reaction liquid is obtained after mixing at a ratio of 15:2:1; the reaction liquid is mixed with a concentration of 0.5mol / L citric acid solution and nickel boride at a mass ratio of 10:60:1 to obtain a mixture, and the high-pressure hydrothermal In the kettle, close the high-pressure hydrothermal kettle, heat it up to 200°C under 1.3MPa, and conduct the hydrothermal reaction for 28 hours. After the hydrothermal reaction is completed, filter and separate to obtain the filter residue, which is the self-made reinforced flame retardant; the mass ratio is 1:10 Mix bagasse and sodium hydroxide solution with a mass fraction of 20% and put it into a pressure cooker, heat up to 190°C at 180kPa, heat-pre...

example 3

[0028] In parts by weight, 30 parts of magnesium nitrate, 35 parts of aluminum nitrate, 20 parts of iron nitrate and 300 parts of deionized water were weighed and mixed for 15 minutes to obtain a mixed solution, and the mixed solution and mass fraction were 30% ammonia and potassium carbonate by mass The reaction liquid is obtained after mixing at a ratio of 15:2:1; the reaction liquid is mixed with a concentration of 0.5mol / L citric acid solution and nickel boride at a mass ratio of 10:60:1 to obtain a mixture, and the high-pressure hydrothermal In the kettle, close the high-pressure hydrothermal kettle, heat it up to 210°C under 1.4MPa, and conduct a hydrothermal reaction for 30 hours. After the hydrothermal reaction is completed, filter and separate to obtain the filter residue, which is a self-made reinforced flame retardant; the mass ratio is 1:10 Mix bagasse and sodium hydroxide solution with a mass fraction of 20% and put it into a pressure cooker, heat up to 200°C at 19...

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Abstract

The invention relates to a preparation method for a biomass adhesive-free plate, and belongs to the technical field of artificial board preparation. The preparation method includes the steps that nanoscale hydrotalcite is obtained through a hydrothermal method, organic acid and nickel boride are added while a hydrothermal reaction is made, the nickel boride is used as a catalyzer, the chelating property of the organic acid enables parts of metal ions in the hydrotalcite to leave original crystal lattices to enter the organic acid, cavities are generated in the original crystal lattices of thehydrotalcite, the generated cavities enable adsorption activity of the hydrotalcite to be greatly improved, a self-made inflaming retarding fortifier is obtained, bagasse and alkali liquor are mixed to be subject to soda boiling, in the process, a large number of active groups are increased in the fiber surfaces, through increase of the active groups, the chemical bonding force of the bagasse fibers is increased, furfural generated in the hydrolytic process can be soaked into the hydrotalcite under the hot pressing effect, a physical anchoring structure is formed after curing is carried out, and the mechanical property of the adhesive-free plate is improved again.

Description

technical field [0001] The invention relates to a method for preparing a biomass-free glue board, belonging to the technical field of wood-based board preparation. Background technique [0002] With the gradual enhancement of human awareness of environmental protection, the need for sustainable development, and the limited oil resources, low-cost, high-performance, low-toxic or even non-toxic products will be the mainstream research goals at home and abroad. In the face of increasingly fierce market competition, increasingly stringent environmental regulations and consumers' increasingly stringent quality requirements for products, new wood-based panels without free aldehydes, as an environmentally friendly building material, are bound to become a new trend in future development. The development of glue-free particle board can control free formaldehyde from the root. On the other hand, in today's increasingly scarce forest resources, the production of wood-based panels is g...

Claims

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Application Information

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IPC IPC(8): B27N3/04B27N3/00B27N3/08C08L97/02C08K13/02C08K3/26C08H8/00
CPCB27N3/04B27N3/007B27N3/08C08H8/00C08K3/26C08K13/02C08K2201/011C08L2201/02C08L97/02
Inventor 唐仕平林茂兰
Owner CHANGZHOU OPTICAL MATERIAL
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