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Polyvinyl wood-plastic composite and preparation method thereof

A wood-plastic composite material and polyethylene-based technology, applied in the field of composite materials, can solve the problems of poor antibacterial performance and inapplicability, and achieve the effects of improving antibacterial performance, improving compatibility, and improving mechanical properties

Inactive Publication Date: 2015-10-28
SUZHOU HONGHENG CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this formula has certain defects: the antibacterial performance is poor, and it cannot be applied in occasions that require high antibacterial performance, such as hospitals and biological research institutes.

Method used

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  • Polyvinyl wood-plastic composite and preparation method thereof
  • Polyvinyl wood-plastic composite and preparation method thereof
  • Polyvinyl wood-plastic composite and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A polyethylene-based wood-plastic composite material is made of the following components in parts by weight: 44 parts of HDPE, 36 parts of hazelnut shell powder, 4.5 parts of PE-g-MAH, 2 parts of PE wax, and 0.8 parts of calcium stearate 12 parts of guava leaf extract, 10240.3 parts of antioxidant, 6 parts of antimony trioxide, 15 parts of light calcium carbonate, 0.5 part of p-benzoylphenol; the hazelnut shell powder, guava leaf extract The particle size is 200 mesh.

[0028] The steps of its preparation method are as follows:

[0029] (1) Wash the guava leaves and dry them at room temperature for 20 hours, pulverize them with a pulverizer and add them into an ethanol solution with a mass fraction of 65%, ultrasonically extract them at 45°C for 90 minutes, filter and reduce the extract at 45°C Concentrate under pressure, freeze-dry the concentrated solution to constant weight, and pass through a 200-mesh sieve to obtain the guava leaf extract for subsequent use;

[0...

Embodiment 2

[0032] A polyethylene-based wood-plastic composite material, made of the following components in parts by weight: 45 parts of HDPE, 35 parts of hazelnut shell powder, 7 parts of PE-g-MAH, 1.8 parts of PE wax, 0.6 parts of calcium stearate Parts, 10 parts of guava leaf extract, 10240.4 parts of antioxidant, 7.5 parts of antimony trioxide, 12 parts of calcined kaolin, 0.7 part of p-benzoylphenol; the particle diameter of the hazelnut shell powder and guava leaf extract Both are 200 mesh.

[0033] Its preparation method is the same as Example 1.

Embodiment 3

[0035] A polyethylene-based wood-plastic composite material, made of the following components in parts by weight: 40 parts of HDPE, 40 parts of hazelnut shell powder, 6.5 parts of PE-g-MAH, 1.5 parts of PE wax, 0.9 parts of calcium stearate Parts, 11 parts of guava leaf extract, 10240.4 parts of antioxidant, 8 parts of antimony trioxide, 14 parts of calcined kaolin, 0.9 part of p-benzoylphenol; the particle diameter of the hazelnut shell powder and guava leaf extract Both are 200 mesh.

[0036] Its preparation method is the same as Example 1.

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Abstract

The invention provides a polyvinyl wood-plastic composite. The polyvinyl wood-plastic composite is prepared, by weight, by the following components of 40-50 parts of PE, 35-45 parts of hazelnut shell powder, 4-7 parts of compatilizer, 1-2 parts of lubricating agents, 0.5-1 part of stabilizer, 10-15 parts of guava leaf extract, 0.2-0.5 part of antioxidant, 5-8 parts of fire retardants, 10-15 parts of stuffing and 0.5-1 part of light screener. The particle sizes of the hazelnut shell powder and the guava leaf extract are both 200 meshes. The invention further provides a preparation method of the polyvinyl wood-plastic composite. The polyvinyl wood-plastic composite has a good antimicrobial property and is suitable for occasions with higher requirements for the antimicrobial property.

Description

Technical field: [0001] The invention relates to a composite material, in particular to a polyethylene-based wood-plastic composite material and a preparation method thereof. Background technique: [0002] The English name of wood-plastic composites is Wood-Plastic Composites, or WPC for short. It is a new type of composite material that has been booming at home and abroad in recent years. %-70% wood powder, rice husk, straw and other waste plant fibers are mixed into new wood materials, and then the boards or profiles produced by extrusion, molding, injection molding and other plastic processing techniques, the plastic and wood powder are pressed A board that is hot-extruded after mixing in a certain proportion can be called an extruded wood-plastic composite board. Wood-plastic composite materials have both the cost and performance advantages of wood and plastic, and have the advantages of corrosion resistance, no warping, easy maintenance, and very similar appearance to ...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08L97/02C08L51/06C08K13/02C08K5/00C08K5/098C08K3/22C08K3/26C08K3/34
CPCC08L23/06C08L2205/025C08L2205/035C08L2207/062
Inventor 矫磊
Owner SUZHOU HONGHENG CHEM
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