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A kind of mildew-proof bamboo particle board and preparation method thereof

A technology for bamboo shavings and particleboard, which is applied in the field of mildew-proof bamboo particleboard and its preparation, can solve the problem of not considering the mildew-proof performance of the particleboard, and achieve the effects of easy promotion and implementation, less equipment investment and less investment.

Active Publication Date: 2019-08-20
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above scientific and technological literature studies the post-heat treatment of particleboards to reduce the amount of formaldehyde released from particleboards and the impact on other physical and mechanical properties, but does not consider the mildew resistance of particleboards.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Use a chipper or planer to prepare bamboo shavings and shavings into bamboo shavings, spray distilled bamboo vinegar liquid (distilled at 180 °C under normal pressure) with 15% of the mass of bamboo shavings, and after uniform stirring, heat treatment at 120 °C for 150 minutes. After drying to a moisture content of 6%, a urea-formaldehyde resin adhesive of 10% dry weight of bamboo shavings is applied, and the air-flow paving machine is paved into a bamboo particle slab with a gradient structure, and then pre-pressed, hot-pressed, cooled, and cut. , sanding made mildew-proof bamboo particleboard.

Embodiment 2

[0025] Use a chipper or planer to prepare bamboo chips and shavings into bamboo shavings, spray distilled bamboo vinegar (distilled at 190°C under normal pressure) with 12% of the mass of bamboo shavings, and after uniform stirring, heat treatment at 140°C for 120 minutes. After drying to a moisture content of 4%, a urea-formaldehyde resin adhesive of 12% of the dry mass of the shavings is applied, and the air-flow paving machine is paved into a bamboo particle slab with a gradient structure, and then pre-pressed, hot-pressed, cooled, cut board, Sanding made mildew-resistant bamboo particleboard.

Embodiment 3

[0027] Use chippers and planers to prepare bamboo chips and shavings into bamboo shavings, spray distilled bamboo vinegar liquid (distilled at 170 °C under normal pressure) with 10% of the mass of bamboo shavings, and after uniform stirring, heat treatment at 130 °C for 130 minutes. Then dry to a moisture content of 5%, apply a urea-formaldehyde resin adhesive of 9% dry mass of the shavings, and pave it into a gradient structure bamboo shaving slab by an air-flow paving machine, and then pre-press, hot-press, cool, cut the board, Sanding made mildew-resistant bamboo particleboard.

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Abstract

The invention discloses a mildew-proof bamboo particle board and a preparing method thereof. The bamboo particle board is prepared by chipping and flaking a bamboo material to obtain bamboo particlesand conducting high temperature preprocessing, drying, gluing, pre-pressing and hot pressing. Bacteria carried in the bamboo particles are killed after the bamboo particles are subjected to high-temperature heat treatment, starch, sugar, protein and other chemical components are degenerated through high-temperature heat treatment and are not nutrients of mildew any more, and the mildew-proof performance of the bamboo particle board is effectively improved. In addition, the mildew-proof bamboo particle board uses the bamboo material short in growth cycle and bamboo material processing residuesas the raw materials, only an adhesive and a waterproof agent are added in the gluing step in the production process, no preservative, insect-resist agent and other harmful components are added, and the mildew-proof bamboo particle board is an environment-friendly artificial board and can be widely used as an indoor decoration material or used for manufacturing furniture.

Description

technical field [0001] The invention belongs to the technical field of wood-based panel production and bamboo wood material processing, and in particular relates to a mold-proof bamboo particle board and a preparation method thereof. Background technique [0002] my country is rich in bamboo resources, and the bamboo forest area, bamboo species and economic utilization level rank first in the world, and it is known as the "Kingdom of Bamboo". There are about 100 genera and more than 1,200 species of bamboo in the world. In my country, there are 39 genera and more than 500 species. Among them, 16 genera and more than 200 species have been cultivated and utilized because of their high economic and ecological value. Bamboo is a natural fast-growing material with a short growth cycle. Bamboo has a similar texture to wood. my country is rich in bamboo resources. Rational development and utilization of bamboo building materials can alleviate the contradiction between domestic timb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27K5/00B27K9/00B27L11/02B27N1/02B27N3/10B27N3/14
Inventor 曾钦志卢秋芬饶久平陈奶荣范毜仔林巧佳
Owner FUJIAN AGRI & FORESTRY UNIV
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