Bagasse micro-powder composite reinforced PVC wood-plastic composite material

A wood-plastic composite material and composite reinforcement technology, which is applied in the field of bagasse micropowder composite reinforced PVC wood-plastic composite materials, can solve the problems of stress concentration, decline in the mechanical properties of composite materials, and large gaps, etc., to enhance interface bonding and reduce weak points. Interface, the effect of good interface integration

Inactive Publication Date: 2020-02-18
ANHUI GUANHONG PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Compared with ordinary PVC materials, the mechanical properties of PVC wood-plastic composite materials prepared by the existing process are quite different. After the plant fiber material is combined with PVC resin, stress concentration is prone to occur, resulting in a decline in the mechanical properties of the composite material.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Bagasse micropowder composite reinforced PVC wood-plastic composite material of this application is obtained by melting and extruding bagasse powder as plant fiber material and PVC resin in an extruder, and the mixing weight ratio of bagasse powder and PVC resin is 1:1.5;

[0035] The bagasse powder is obtained from dried bagasse through low-temperature ultrafine pulverization. The low-temperature ultrafine pulverization is pulverized to a particle size of 0.15 μm at 6° C., and the dried bagasse is obtained from fresh bagasse through a coupling agent solution. After soaking at 60°C for 1 hour, then filter, vacuum dry to constant weight at 50°C, and the coupling agent solution is an organosilane coupling agent solution with a mass fraction of 8-10%.

[0036] The speed of the main extruder is 56r / min, and the speed of the feeder is 5r / min; the molding temperature of the extruder is 150°C in the first zone, 150°C in the second zone, 160°C in the third zone, 160°C in the fou...

Embodiment 2

[0038] The bagasse micropowder composite reinforced PVC wood-plastic composite material of this application is obtained by melting and extruding the bagasse powder as plant fiber material and PVC resin in an extruder, and the mixing weight ratio of bagasse powder and PVC resin is 1: 1.8;

[0039] The bagasse powder is obtained from dried bagasse through low-temperature ultrafine pulverization. The low-temperature ultrafine pulverization is pulverized to a particle size of 0.15 μm at 7° C., and the dried bagasse is obtained from fresh bagasse through a coupling agent solution. After immersion treatment at 70°C for 1 hour, then filter, vacuum dry to constant weight at a vacuum drying temperature of 50°C, and the coupling agent solution is an organosilane coupling agent solution with a mass fraction of 10%.

[0040] The speed of the main extruder is 56r / min, and the speed of the feeder is 5r / min; the molding temperature of the extruder is 155°C in the first zone, 155°C in the seco...

Embodiment 3

[0042] Bagasse micropowder composite reinforced PVC wood-plastic composite material of this application is obtained by melting and extruding bagasse powder as plant fiber material and PVC resin in an extruder, and the mixing weight ratio of bagasse powder and PVC resin is 1:1.6;

[0043]The bagasse powder is obtained from dried bagasse through low-temperature ultrafine pulverization. The low-temperature ultrafine pulverization is pulverized to a particle size of 0.15 μm at 6.5° C., and the dried bagasse is obtained from fresh bagasse through a coupling agent solution After soaking at 62°C for 1 hour, then filter, vacuum dry to constant weight at 50°C, and the coupling agent solution is an organosilane coupling agent solution with a mass fraction of 9%.

[0044] The speed of the main extruder is 56r / min, and the speed of the feeder is 5r / min; the molding temperature of the extruder is 152°C in the first zone, 152°C in the second zone, 162°C in the third zone, 162°C in the fourth...

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Abstract

The invention discloses a bagasse micro-powder composite reinforced PVC wood-plastic composite material. The bagasse micro-powder composite reinforced PVC wood-plastic composite material is obtained by taking bagasse powder as a plant fiber material and carrying out melt extrusion molding on the plant fiber material and a PVC resin in an extruder. The wood-plastic composite material prepared by the method has an excellent tensile property and an excellent impact property.

Description

technical field [0001] The invention belongs to the technical field of wood-plastic composite materials, and in particular relates to a bagasse micropowder composite reinforced PVC wood-plastic composite material. Background technique [0002] Wood-plastic composite material is a new type of composite material that is widely used nowadays. It refers to the use of polyethylene, polypropylene and polyvinyl chloride, etc., instead of the usual resin adhesive, and mixed with waste plant fibers such as wood powder, rice husk, straw, etc. New wooden materials, and then plastic processing techniques such as extrusion, molding, injection molding, etc., to produce panels or profiles. [0003] PVC wood-plastic composite material is the main type of wood-plastic composite material, that is, a composite material formed by melting and blending polyvinyl chloride (PVC) and plant fiber materials. As a recyclable material, it is green and environmentally friendly. It combines the excellent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L97/02C08K9/06C08K9/04C08K7/26
CPCC08K2201/011C08L27/06C08L97/02C08K9/06C08K9/04C08K7/26
Inventor 申乾成
Owner ANHUI GUANHONG PLASTIC IND
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