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Production method of straw wood-like material and product thereof

A technology of imitation wood material and production method, which is applied in the production and product fields of straw imitation wood material, and can solve the problems of being susceptible to termites' moth, cracking, excessive formaldehyde content and the like.

Inactive Publication Date: 2011-09-14
BEIJING ZHONGNUO DERUI IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Natural wood is widely used to make various wooden floors, various wooden furniture and various wooden decorations, as well as plank pavilions, gallery frames, flower pots, seats, guardrails, etc., but various wooden floors made of natural wood, All kinds of wooden furniture and wooden decorations are usually bonded with resins and glues containing formaldehyde. As a result, the formaldehyde content in people's living rooms exceeds the standard for a long time, which is harmful to human health.
In addition, products made of natural wood are easily attacked by termites, and are also easily deformed by moisture, or cracked, making them unusable

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The production method of straw imitation wood material of the present invention comprises the following steps:

[0024] A. Prepare the straw of raw material biomass, and crush the straw to below 20mm, and then grind the crushed straw into 100-800 mesh straw powder;

[0025] B. Prepare raw material straw powder, coupling agent, polylactic acid or polyhydroxyalkanoate, modifier, plasticizer, paraffin wax, polyethylene wax, antioxidant, ultraviolet absorber and fireproofing agent, and mix 40kg or 45kg Or 50kg or 55kg or 60kg or 65kg or 70kg or 75kg or 80kg of straw powder into the mixing tank of the two-speed mixer, use the high-speed gear of the two-speed mixer to mix the straw powder at high speed, and let the mixing tank The temperature of the straw powder is raised to 80°C-100°C, and then add 0.1kg or 0.5kg or 1.1kg or 1.5kg or 1.8kg or 2kg or 2.6kg or 3kg of coupling agent and 0.1kg Or 0.5kg or 1.1kg or 1.5kg or 1.8kg or 2kg or 2.6kg or 3kg of modifier by weight, and...

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PUM

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Abstract

The invention relates to a production method of a straw wood-like material, which comprises the following steps: preparing raw materials straw powder, coupling agent, polylactate or polyhydroxy fatty acid ester, modifier, plasticizer, paraffin, polyethylene wax, antioxidant, ultraviolet absorbent and fire retardant; mixing the straw powder in a double-speed mixer, sending the other raw materials into the double-speed mixer, and mixing; delivering the mixed raw materials into a double screw extruder, and granulating the raw materials by using the double screw extruder by extruding the raw materials from the output end of the double screw extruder; sending the granules extruded from the double screw extruder into a conical double screw extruder, drawing and cooling to water to form, therebyobtaining the required section; and printing on the section by using a printing machine. The straw wood-like material has the advantages of high mechanical strength, high toughness, water resistance,fire retardancy, corrosion resistance, termite bite resistance, no toxicity, no pollution and low production cost, is free of formaldehyde, and is degradable and recyclable.

Description

technical field [0001] The invention relates to a production method and product of a straw imitation wood material. Background technique [0002] Natural wood is widely used to make various wooden floors, various wooden furniture and various wooden decorations, as well as plank pavilions, gallery frames, flower pots, seats, guardrails, etc., but various wooden floors made of natural wood, All kinds of wooden furniture and wooden decorations are usually bonded with resins and glues containing formaldehyde, which leads to long-term excessive formaldehyde content in people's living rooms and endangers people's health. In addition, products made of natural wood are easily attacked by termites, and are also easily deformed by moisture, or cracked, making them unusable. Contents of the invention [0003] The purpose of the present invention is to provide a material with high mechanical strength, good toughness, waterproof, flame retardant, corrosion resistance, termite corrosio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L67/04C08L23/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40
Inventor 许少莹李泰华苏新荣王振水李刚
Owner BEIJING ZHONGNUO DERUI IND TECH
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