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High-temperature-resistance PVC wood-plastic composite material and preparation method thereof

A wood-plastic composite material and high-temperature-resistant technology, which is applied in the field of PVC wood-plastic materials, can solve the problems of light weight, impact resistance, high-temperature resistance and flame retardancy, unfavorable market promotion, high material weight, etc., and achieves low preparation cost and low raw material Wide range of sources, the effect of improving mechanical strength

Inactive Publication Date: 2018-05-22
ANHUI YINUO WOOD PLASTIC SHEET TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The patent with the application number 00132561.2 records a co-extrusion molding process of wood-plastic profiles. The disadvantage of this process is that the density of the profiles made of wood-plastic composite materials is 1.1-1.4g / cm 3 , so that the weight of the material is relatively high, which cannot meet the requirements of light weight, impact resistance, high temperature resistance and flame retardancy. At the same time, the product cost is high, which is not conducive to the market promotion of the product. Therefore, it needs to be improved

Method used

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  • High-temperature-resistance PVC wood-plastic composite material and preparation method thereof
  • High-temperature-resistance PVC wood-plastic composite material and preparation method thereof
  • High-temperature-resistance PVC wood-plastic composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A high temperature-resistant PVC wood-plastic composite material is prepared by weighing the raw materials in the following table 1:

[0023] Table 1

[0024]

[0025] The above-mentioned modified coconut fiber is obtained through the following steps: take 15 kg of coconut fiber and place it in a grinder to grind until the fiber length is less than or equal to 100 μm, and the aspect ratio is less than 10; after the grinding treatment, use an acrylic acid copolymer with a temperature of 45 ° C to grind The last coconut fiber is soaked for 6h; then the coconut fiber after soaking is coated with low-carbon polyhydric alcohol with a temperature of 45°C, and the bulk density of the coconut fiber is controlled at 2.0g / cm 3 Below, promptly make the required modified coconut fiber of raw material of the present invention;

[0026] The above-mentioned modified bamboo fiber is obtained through the following steps: adding water to 5kg of bamboo fiber to adjust the water conten...

Embodiment 2

[0032] A kind of high temperature resistant PVC wood-plastic composite material and preparation method thereof, take the raw material of following table 2 to prepare:

[0033] Table 2

[0034]

[0035] The above-mentioned modified coconut fiber is obtained through the following steps: take 20kg of coconut fiber and place it in a grinder to grind until the fiber length is less than or equal to 80 μm, and the aspect ratio is less than 10; after the grinding treatment, use an acrylic acid copolymer with a temperature of 50 ° C to grind After soaking the coconut fiber for 7 hours; then use low-carbon polyhydric alcohol with a temperature of 50°C to coat the soaked coconut fiber, and the bulk density of the coconut fiber is controlled at 1.5g / cm 3 Below, promptly make the required modified coconut fiber of raw material of the present invention;

[0036] The above-mentioned modified bamboo fiber is obtained through the following steps: adding water to 10kg of bamboo fiber to adj...

Embodiment 3

[0042] A high temperature-resistant PVC wood-plastic composite material is prepared by weighing the raw materials in the following table 3:

[0043] table 3

[0044]

[0045] The above-mentioned modified coconut fiber is obtained through the following steps: take 25kg of coconut fiber and place it in a grinder to grind until the fiber length is less than or equal to 100 μm, and the aspect ratio is less than 10; after the grinding treatment, use acrylic acid copolymer with a temperature of 55 ° C to The ground coconut fiber is soaked for 8 hours; then the soaked coconut fiber is coated with low-carbon polyhydric alcohol at a temperature of 55°C, and the bulk density of the coconut fiber is controlled at 2.0g / cm 3 Below, promptly make the required modified coconut fiber of raw material of the present invention;

[0046] Above-mentioned modified bamboo fiber is made through the following steps: 15kg bamboo fiber is added with water to adjust water content to 70%, sprays EM ba...

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Abstract

The invention discloses a high-temperature-resistance PVC wood-plastic composite material and a preparation method thereof and relates to the technical field of PVC wood-plastic materials. The composite material is prepared from the following raw materials of polyvinyl chloride, polyphenylene sulfone resin, butyl acrylate, modified coconut fiber, modified bamboo fiber, liquefied paraffin, analcimepowder, N,N-dimethylaniline, aerated aluminum powder, a barium-zinc compound stabilizer, a plasticizer, a flame retardant and a coupling agent. The preparation method of the high-temperature-resistance PVC wood-plastic composite material comprises the steps of drying, mixing and extruding the raw materials. The PVC wood-plastic composite material disclosed by the invention has the advantages of low preparation cost, light mass, high mechanical strength, good high temperature resistance and oxidation resistance, high flame-retardant grade, greenness, environmental friendliness and suitabilityfor being popularized and applied.

Description

technical field [0001] The invention relates to the technical field of PVC wood-plastic materials, in particular to a high-temperature-resistant PVC wood-plastic composite material and a preparation method thereof. Background technique [0002] Wood-plastic materials have the dual characteristics of wood and plastic: good mechanical properties, no fear of moths, no mold, no moisture absorption, and reusable advantages. The patent with the application number 00132561.2 records a co-extrusion molding process of wood-plastic profiles. The disadvantage of this process is that the density of the profiles made of wood-plastic composite materials is 1.1-1.4g / cm 3 , so that the weight of the material is relatively high, which cannot meet the requirements of light weight, impact resistance, high temperature resistance and flame retardancy. At the same time, the product cost is high, which is not conducive to the market promotion of the product. Therefore, it needs to be improved. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L97/02C08L81/06C08L91/06C08K13/02C08K5/18C08K3/34C08K5/5397C08K5/523C08K5/053C08K3/22C08K3/38C08K3/08
CPCC08L27/06C08K2003/0812C08K2003/2227C08K2003/387C08L2201/02C08L2201/08C08L2205/025C08L2205/035C08L97/02C08L81/06C08L91/06C08K13/02C08K5/18C08K3/34C08K5/5397C08K3/08C08K5/523C08K5/053C08K3/22C08K3/38
Inventor 艾明贤
Owner ANHUI YINUO WOOD PLASTIC SHEET TECH CO LTD
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