Profile of waste bamboo material and its prepn

A technology of bamboo products and profiles, applied in the field of profiles synthesized from bamboo product waste materials and its preparation, can solve problems such as environmental pollution, waste of resources, economic losses, etc., and achieve a good appearance finish, increase the contact area, and low cost Effect

Inactive Publication Date: 2007-01-03
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are not many ways to make full use of the waste materials of bamboo products. People often dump or burn the waste materials of bamboo products at will, and some of them are used to make domestic fuel or burn boilers. This is not only a great waste of resources, but also economically. Caused huge losses, but also caused a lot of pollution to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1 preparation method, the steps are as follows:

[0024] 1) drying the waste material after bamboo product processing, the moisture content is controlled at 6%, and then put into a pulverizer and pulverize to 100 mesh;

[0025] 2) Take the ingredients in proportion, stir and mix the ingredients evenly, put them into a kneader, and knead at 180°C for 15 minutes;

[0026] 3) The mixed material after kneading is extruded and cooled by a twin-screw extruder.

Embodiment 2

[0027] Embodiment 2 preparation method, steps are as follows:

[0028] 1) drying the waste material after bamboo product processing to a moisture content of 8%, then putting it into a pulverizer and pulverizing it to 250 mesh;

[0029] 2) Take the ingredients in proportion, stir and mix the ingredients evenly, put them into a kneader, and knead at 170°C for 18 minutes;

[0030] 3) The mixed material after kneading is extruded and cooled by a twin-screw extruder.

Embodiment 3

[0031] Embodiment 3 preparation method, steps are as follows:

[0032] 1) drying the waste material after bamboo product processing to a moisture content of 10%, then putting it into a pulverizer and pulverizing it to 400 mesh;

[0033] 2) Take the ingredients in proportion, stir and mix the ingredients evenly, put them into a kneader, and knead at 150°C for 20 minutes;

[0034] 3) The mixed material after kneading is extruded and cooled by a twin-screw extruder.

[0035] Example

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PUM

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Abstract

The profile of waste bamboo material is prepared with bamboo powder 40-70 wt%, plastic resin 20-40 wt%, nanometer level calcium carbonate 5-15 wt%, fire retardant 1-5 wt%, antiager 1-3 wt%, lubricant 2-4 wt% and brightener 1-3 wt%. The preparation process includes the following steps: drying waste bamboo material to water content of 6-10 wt% and crushing to 100-400 mesh; mixing materials in the said proportion and blending in a blender at 150-180 deg.c for 15-20 min; extruding in a double screw extruder and cooling to form. The present invention has low cost, rich material source and simple preparation process, and the profile has high compactness, excellent mechanical performance and other advantages.

Description

technical field [0001] The invention relates to a profile synthesized by utilizing waste materials of bamboo products and a preparation method thereof. Background technique [0002] my country's existing moso bamboo cultivation area reaches tens of millions of mu, and utilizes moso bamboo to produce and process a large amount of bamboo products of different specifications and different varieties. Bamboo product waste is a by-product of bamboo product processing and production, with large output and wide distribution. my country has carried out extensive and in-depth research on the comprehensive utilization of bamboo products for a long time, and has obtained many available ways. However, there are not many ways to make full use of the waste materials of bamboo products. People often dump or burn the waste materials of bamboo products at will, and some of them are used to make domestic fuel or burn boilers. This is not only a great waste of resources, but also economically. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08K3/26B29C47/40C08L27/06C08L23/08C08L55/02
CPCB29C2947/92704B29C2947/92676B29C2948/92676B29C2948/92704
Inventor 傅俊杰傅博周海鸥
Owner ZHEJIANG UNIV
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