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Treatment method for increasing cottonwood fiber elastic modulus

A poplar fiber, elastic modulus technology, applied in wood treatment, wood treatment details, pretreatment equipment, etc., can solve the problems of loose structure, poor elasticity, easy breakage, etc., and achieve improved elongation at break and elastic modulus. Increased, easy-to-use effects

Inactive Publication Date: 2017-12-15
FUNAN TENGXIANG ARTS & CRAFTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the progress and development of human society, the protection and utilization of materials, environment and natural resources have become the most concerned and urgent problems to be solved by the international community. The only recyclable circular economy green material among cement, steel, plastic and other building materials, it has the advantages of low production cost, low energy consumption, non-toxic, non-polluting, etc. It uses wood and wood products to replace some high energy consumption. Regenerated products are of great significance to alleviate global warming. Based on this, poplar wood with wide adaptability and fast growth rate is very popular, but its own defects cannot be ignored. Poplar wood fiber structure is loose, easy to break, and has poor elasticity. As a result, the application range of poplar fiber has been greatly restricted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1, a kind of processing method that improves poplar fiber modulus of elasticity, specifically:

[0016] (1) Send the poplar fiber into the fermentation room for fermentation, the fermentation temperature is 23°C, the relative humidity is above 95%, the ventilation rate of the fermentation room is 20m³ / h, the thickness of the poplar fiber spread is 4cm, and the fermentation time is 3 hours ;

[0017] (2) Send the fermented poplar fiber into the tumbler, spray the paint repeatedly, repeat the spraying 4 times, and the tumble rate is 40 rpm;

[0018] The coating is composed of deionized water, nano-aluminum phosphate, water-based polyurethane resin, and polyvinylpyrrolidone. Specifically, by weight, for every 100 parts of deionized water, add 6% nano-aluminum phosphate and 2% water-based polyurethane Resin, 5% polyvinylpyrrolidone, mixed at high speed to obtain;

[0019] (3) While repeatedly spraying paint on the surface of the poplar fiber, set the temperatur...

Embodiment 2

[0021] Embodiment 2, a kind of processing method that improves poplar fiber modulus of elasticity, specifically:

[0022] (1) Send the poplar fiber into the fermentation room for fermentation, the fermentation temperature is 25°C, the relative humidity is above 95%, the ventilation rate of the fermentation room is 33m³ / h, the thickness of the poplar fiber spread is 5cm, and the fermentation time is 3.6 hours ;

[0023] (2) Send the fermented poplar fiber into the tumbler, spray the paint repeatedly, repeat the spraying 3 times, and the tumble rate is 42 rpm;

[0024] The coating is composed of deionized water, nano-aluminum phosphate, water-based polyurethane resin, and polyvinylpyrrolidone. Specifically, in parts by weight, for every 100 parts of deionized water, add 6.2% nano-aluminum phosphate and 2.5% water-based polyurethane Resin, 5.3% polyvinylpyrrolidone, mixed at high speed to obtain;

[0025] (3) While repeatedly spraying paint on the surface of the poplar fiber, s...

Embodiment 3

[0027] Embodiment 3, a kind of processing method that improves poplar fiber modulus of elasticity, specifically:

[0028] (1) Send the poplar fiber into the fermentation room for fermentation, the fermentation temperature is 26°C, the relative humidity is above 95%, the ventilation rate of the fermentation room is 35m³ / h, the thickness of the poplar fiber spread is 6cm, and the fermentation time is 4 hours ;

[0029] (2) Feed the fermented poplar fiber into the tumbler, spray the paint repeatedly, and repeat the spraying 5 times, and the tumble rate is 45 rpm;

[0030] The coating is composed of deionized water, nano-aluminum phosphate, water-based polyurethane resin, and polyvinylpyrrolidone. Specifically, by weight, for every 100 parts of deionized water, add 6.5% nano-aluminum phosphate and 3% water-based polyurethane Resin, 6% polyvinylpyrrolidone, mixed at high speed to obtain;

[0031] (3) While repeatedly spraying paint on the surface of the poplar fiber, set the temp...

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PUM

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Abstract

The invention relates to the technical field of wood processing treatment, in particular to a treatment method for increasing the cottonwood fiber elastic modulus. The treatment method comprises the specific steps that cottonwood fibers are conveyed into a fermentation chamber for fermentation, the fermented cottonwood fiber are conveyed into a tumbling machine, and coating is repeatedly sprayed; while the surfaces of the cottonwood fibers are repeatedly sprayed with the coating, the tumbling environment temperature is set to be 56-58 DEG C, and the relative humidity is set to be 50-55%; and meanwhile the cottonwood fibers are dried. According to the treatment method for increasing the cottonwood fiber elastic modulus, raw materials are easy to obtain, operation is easy, operation is conducted basically under the normal temperature, energy saving and environmental friendliness are achieved, and certain signification is achieved for increasing the application range of the cottonwood fibers.

Description

technical field [0001] The invention relates to the technical field of wood processing, in particular to a treatment method for increasing the elastic modulus of poplar wood fibers. Background technique [0002] With the progress and development of human society, the protection and utilization of materials, environment and natural resources have become the most concerned and urgent problems to be solved by the international community. The only recyclable circular economy green material among cement, steel, plastic and other building materials, it has the advantages of low production cost, low energy consumption, non-toxic, non-polluting, etc. It uses wood and wood products to replace some high energy consumption. Regenerated products are of great significance to alleviate global warming. Based on this, poplar wood with wide adaptability and fast growth rate is very popular, but the defects of poplar wood cannot be ignored. The fiber structure of poplar wood is loose, easy to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/02B27K3/00B27K3/52B27K5/04
CPCB27K3/0207B27K3/007B27K3/02B27K3/52B27K5/04
Inventor 孟祥荣
Owner FUNAN TENGXIANG ARTS & CRAFTS