Cyclic polyester cbt/wood plastic composite

A wood-plastic composite material and cyclic polyester technology, which is applied in the field of wood-plastic composite materials, can solve the problems of low tensile strength, low bending strength, use, and processing temperature that cannot be applied, and achieve the effect of good performance.

Inactive Publication Date: 2016-06-08
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, traditional wood-plastic composite materials basically use general-purpose plastic polyolefin (PE, PP, PVC) as the main matrix resin, and its tensile strength and bending strength are relatively low, so it can only be used as a decoration material and cannot be used as a structural However, engineering plastics (PC, PBT) with excellent performance cannot be used in wood-plastic composite materials due to their high processing temperature.

Method used

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  • Cyclic polyester cbt/wood plastic composite
  • Cyclic polyester cbt/wood plastic composite
  • Cyclic polyester cbt/wood plastic composite

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Cyclic polyester CBT / wood-plastic composite material, the weight ratio of the raw materials of the material is: cyclic polyester CBT 7.0kg, polyurethane PU (polyethylene) 0kg, bamboo powder 3.0kg, the bamboo powder passed through 100 o C dried for 24 hours, particle size 100 mesh.

Embodiment 2

[0015] Cyclic polyester CBT / wood-plastic composite material, the weight ratio of the raw materials of the material is: cyclic polyester CBT6.5kg, polyurethane PU (polyethylene) 0.5kg, bamboo powder 3.0kg, the bamboo powder passed through 100 o C dried for 24 hours, particle size 100 mesh.

Embodiment 3

[0017] Cyclic polyester CBT / wood-plastic composite material, the weight ratio of the raw materials of the material is: cyclic polyester CBT 5.5kg, polyurethane PU (polyethylene or polypropylene) 1.5kg, bamboo powder 3.0kg, the bamboo powder after 100 o C dried for 24 hours, particle size 100 mesh.

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PUM

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Abstract

The invention relates to the technical field of wood-plastic composite materials, in particular to a cyclic polyester CBT / wood-plastic composite material. The mass ratio of the raw materials of the wood-plastic composite material is as follows: cyclic polyester CBT accounts for 40%-70%, polyurethane PU accounts for 0%-30%, and bamboo powder accounts for 30%. The mechanical properties of the wood-plastic composite material produced by this formula are much higher than those of the wood-plastic composite material currently on the market. At the same time, the wood-plastic composite material produced by using this formula will not change the existing wood-plastic composite material production process, and has a good application prospect.

Description

technical field [0001] The invention relates to the technical field of wood-plastic composite materials, in particular to a cyclic polyester CBT / wood-plastic composite material. Background technique [0002] At present, traditional wood-plastic composite materials basically use general-purpose plastic polyolefin (PE, PP, PVC) as the main matrix resin, and its tensile strength and bending strength are relatively low, so it can only be used as a decoration material and cannot be used as a structural However, engineering plastics (PC, PBT) with excellent performance cannot be used in wood-plastic composites due to their high processing temperature. Contents of the invention [0003] The purpose of the present invention is to provide a high-performance cyclic polyester CBT / wood-plastic composite material, which can greatly improve the mechanical properties of the wood-plastic composite material and expand the application range of the wood-plastic composite material. [0004] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L67/02C08L75/04C08L97/02C08L23/06C08L23/12
Inventor 宋剑斌杨文斌徐建锋文月琴郑峰
Owner FUJIAN AGRI & FORESTRY UNIV
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