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Montmorillonite modified wood-plastic composite material plate

A wood-plastic composite material and nano-montmorillonite technology, which is applied in the field of composite panels, can solve the problems of use requirements, high impact force and high required strength, improve adhesion, improve impact resistance and strength, and expand application fields. Effect

Inactive Publication Date: 2015-11-18
SUZHOU CITY XIANGCHENG DISTRICT MINGDA COMPOSITE MATERIAL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The wood-plastic composite boards in the prior art can fully meet the use requirements in general use occasions, but they cannot meet the use requirements of their mechanical properties in places where the impact force is large and the strength is required to be high.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A montmorillonite modified wood-plastic composite board is made of the following raw materials in parts by weight:

[0033] Nano montmorillonite 7.5, waste polyvinyl chloride 100,

[0034] Wood flour 12, calcium carbonate powder 7,

[0035] Silane coupling agent 3.5, talc powder 5.5

[0036] Light stabilizer 6, heat stabilizer 4.5,

[0037] ethanol 45,

[0038] The rest is water, and the wood flour grade is 200um.

[0039] Further, the particle size of the nano-montmorillonite is 25nm.

[0040] Further, the wood powder is aspen wood powder.

[0041] The preparation process of the montmorillonite modified wood-plastic composite material board is as follows:

[0042] (1) Mix ethanol and water at a ratio of 90:10 to form an alcohol-water dilution, weigh the silane coupling agent and add the ethanol-water dilution in a ratio of 1:8, stir well and set aside;

[0043] (2) Put the wood powder in a drying oven with a temperature of 90-125°C for 4-6 hours, then remove it ...

Embodiment 2

[0048] A montmorillonite modified wood-plastic composite board is made of the following raw materials in parts by weight:

[0049] Nanometer montmorillonite 8, waste polyvinyl chloride 98-100,

[0050] Wood flour 13.5, calcium carbonate powder 8,

[0051] Silane coupling agent 4.5, talcum powder 6,

[0052] Light stabilizer 5.5, heat stabilizer 3.5,

[0053] ethanol 50,

[0054] The rest is water, and the grade of said wood flour is 2500um.

[0055] Further, the particle size of the nano-montmorillonite is 20nm.

[0056] Further, the wood powder is a mixture of aspen wood powder and spruce wood powder.

[0057] The preparation process of the montmorillonite modified wood-plastic composite material board is as follows:

[0058] (1) Mix ethanol and water at a ratio of 90:10 to form an alcohol-water dilution, weigh the silane coupling agent and add the ethanol-water dilution in a ratio of 1:8, stir well and set aside;

[0059] (2) Put the wood powder in a drying oven with ...

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Abstract

The present invention discloses a montmorillonite modified wood-plastic composite material plate and a preparation method thereof. According to the present invention, a silane coupling agent, ethanol and water are prepared into a diluent, wood powder is placed into the diluent to prepare modified wood powder, the modified wood powder, nanometer montmorillonite, waste polyvinyl chloride, calcium carbonate powder, a silane coupling agent, talc powder, a light stabilizer and a thermal stabilizer are placed into a mixer, high speed mixing is performed, and then one time extrusion is performed to obtain the composite material plate; and with the technical scheme, the adhesion of the wood powder and the plastic is improved, the impact resistance, the strength and the hardness of the wood-plastic composite plate are improved, and the application field of the wood-plastic composite material plate is expanded.

Description

technical field [0001] The invention relates to a composite plate, in particular to a montmorillonite modified wood-plastic composite material plate. Background technique [0002] It has been a long history in my past to make composite materials by using plant fiber reinforcement. The earliest composite materials were made of natural plant fiber reinforcement, such as straw reinforced soil made of adobe. The use of plant fibers and resins to make composite materials also has a long history. [0003] With the development of science, plastic materials are widely used in modern society, and the requirements for the use of plastic materials are getting higher and higher, such as high temperature resistance, corrosion resistance, oxidation resistance, high strength and so on. Subsequently, various reinforced modified plastics also emerged as the times require. In today's world, with people's vigorous advocacy of resource conservation and environmental protection, the recycling ...

Claims

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Application Information

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IPC IPC(8): C08L27/06C08L97/02C08K13/02C08K3/26C08K3/34
Inventor 顾云龙
Owner SUZHOU CITY XIANGCHENG DISTRICT MINGDA COMPOSITE MATERIAL FACTORY
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