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Environment-friendly anti-bacteria mold-proof composite fiber board and preparation method thereof

An antibacterial, mildew-proof, and composite fiber technology, applied in the field of materials, can solve the problems of hard surfaces, unequal surface areas, and poor water resistance of hard boards, and achieve the effects of stable properties, strong practicability, and cheap raw materials

Active Publication Date: 2017-01-04
NANJING SHI DAN LI DEORATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of fiberboard is that there is a texture on the back, resulting in unequal surface areas on both sides of the board. After moisture absorption, the board is warped and deformed due to the difference in expansion force; the surface of the hard board is hard, difficult to nail, and poor water resistance; Some disadvantages, but the cost is higher

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Weigh 5 parts of poplar leaves, 5 parts of wood flour, 5 parts of crop straw, 3 parts of diatomaceous earth, 7 parts of polyurethane, 5 parts of polyether, 5 parts of cellulose acetate, and 2 parts of DL-benzylsuccinic acid according to parts by weight. 3 parts, 3 parts of ethylene glycol monostearate, 1 part of melamine phosphate, 2 parts of styrene-acrylic emulsion, 1 part of 3-ureidopropyltrimethoxysilane, 2 parts of ethyl 3,4-dihydroxybenzoate , 2 parts of dibutyl phthalate;

[0025] (2) Add poplar leaves, wood powder, and crop stalks to 0.5% sodium hypochlorite solution for soaking, softening and disinfection, and the soaking time is 2 hours;

[0026] (3) Dry the softened mixture for stirring and cutting, and then pour it into a thermal grinder, and add diatomaceous earth and ethyl 3,4-dihydroxybenzoate at the same time. The heating temperature of the thermal grinder is 350°C, and the stirring speed is 1000 rev / min, heat grinding time is 50 minutes;

[0027] ...

Embodiment 2

[0033] (1) Weigh 6 parts of poplar leaves, 7 parts of wood flour, 6 parts of crop straw, 4 parts of diatomaceous earth, 9 parts of polyurethane, 6 parts of polyether, 6 parts of cellulose acetate, and 2 parts of DL-benzylsuccinic acid according to parts by weight. Parts, 4 parts of ethylene glycol monostearate, 1 part of melamine phosphate, 3 parts of styrene-acrylic emulsion, 2 parts of triethoxysilyl-1-propylamine, 2 parts of tert-butyl p-hydroxyanisole, 3 parts of triphenyl phosphate;

[0034] (2) Add poplar leaves, wood flour, and crop stalks into 0.5% sodium hypochlorite solution, soak for softening and disinfection, and soak for 2.5 hours;

[0035] (3) Dry the softened mixture, stir and cut it, then pour it into a thermal grinder, and add diatomaceous earth and tert-butyl-p-hydroxyanisole at the same time. The heating temperature of the thermal grinder is 400°C, and the stirring speed is 1100 rpm , the heat grinding time is 50 minutes;

[0036] (4) Sieve the mixture in...

Embodiment 3

[0042] (1) Weigh 7 parts of poplar leaves, 9 parts of wood flour, 8 parts of crop straw, 5 parts of diatomaceous earth, 12 parts of polyurethane, 9 parts of polyether, 7 parts of cellulose acetate, and 3 parts of DL-benzylsuccinic acid in parts by weight. Parts, 4 parts of ethylene glycol monostearate, 2 parts of melamine phosphate, 5 parts of styrene-acrylic emulsion, 3 parts of vinyl-tris (2-methoxyethoxy) silane, 3 parts of cyclohexyl phosphate part, 4 parts of polythiol;

[0043] (2) Add poplar leaves, wood powder, and crop stalks to 0.5% sodium hypochlorite solution for soaking, softening and disinfection. The soaking time is 3.5 hours;

[0044] (3) Dry the softened mixture, stir and cut it, then pour it into a thermal grinder, and add diatomaceous earth and cyclohexyl phosphate at the same time. The heating temperature of the thermal grinder is 450°C, and the stirring speed is 1200 rpm. The heat grinding time is 50 minutes;

[0045] (4) Sieve the mixture in step (3) to...

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Abstract

The invention discloses an environment-friendly anti-bacteria mold-proof composite fiber board and a preparation method thereof. The environment-friendly anti-bacteria mold-proof composite fiber board is prepared from, by weight, 5-8 parts of poplar leaves, 5-10 parts of wood flour, 5-9 parts of crop stalk, 3-6 parts of kieselguhr, 7-15 parts of polyurethane, 5-10 parts of polyether, 5-8 parts of acetate fiber, 2-4 parts of DL-benzylsuccinic acid, 3-5 parts of ethylene glycol monostearate, 1-3 parts of melamine phosphate, 2-6 parts of styrene-acrylic emulsion, 1-4 parts of a silane coupling agent, 2-3 parts of an antioxidant and 2-5 parts of an adhesive. The prepared environment-friendly anti-bacteria mold-proof composite fiber board is stable in character, resistant to mold and environmentally friendly, and causes no pollution to environment.

Description

technical field [0001] The invention relates to the field of materials, in particular to an environment-friendly antibacterial and mildew-proof composite fiber board and a preparation method thereof. Background technique [0002] Fiberboard, also known as density board, is a wood-based panel made of wood fiber or other vegetable fiber, applied with urea-formaldehyde resin or other suitable adhesives, and adhesives and (or) additives can be applied during the manufacturing process. my country's fiberboard production started in the 1970s, developed in the 1980s, and took off in the 1990s. After entering the 21st century, the output of fiberboard has increased significantly. Fiberboard has the advantages of uniform material, small vertical and horizontal strength difference, not easy to crack, etc., and has a wide range of uses. The development of fiberboard production is an effective way to comprehensively utilize wood resources. It takes about 2.5 to 3 cubic meters of wood t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/04B27N3/12B27N3/18B27N1/02B27K9/00B27K5/06B27K3/16B27K5/04
CPCB27K3/16B27K5/04B27K5/06B27K9/00B27K2240/20B27N1/0209B27N3/04B27N3/12B27N3/18
Inventor 费根华
Owner NANJING SHI DAN LI DEORATION MATERIAL CO LTD
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