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Long glass fiber reinforced plastic wood composite section and preparation method thereof

A composite profile and reinforced plastic technology, which is applied in the field of long glass fiber reinforced plastic-wood composite profile and its preparation, can solve the problems of complex process and high cost, and achieve the effects of simple process, low cost and improved mechanical properties

Inactive Publication Date: 2010-08-25
HUIDONG MEIXIN PLASTIC LUMBER PROD MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is complex in process, and it still needs to be processed again after the plastic wood board is produced, and the cost is very high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Add according to the following mass percentages: 35% high-density polyethylene (provided by Dongcheng Plastic Co., Ltd., Boluo County), 45% plant fiber (provided by Deqing Forest Wood Flour Co., Ltd., Zhejiang Province, and the median diameter of wood powder is 100 mesh), 10% of glass fiber (provided by Jushi Group Co., Ltd., model: 910), 5% of talcum powder filler (provided by Zhejiang Jiaxing Huayu Plastic Raw Material Co., Ltd., median diameter is 250 mesh), 2% of lubricant (provided by Guangzhou Long Sand Co., Ltd.), 1% composite stabilizer (provided by Ciba, Switzerland), and the balance is other additives (provided by Baelocher, Germany). Put the plant fiber into a high-speed mixer at 70°C, set the speed at 1200 rpm and stir vigorously for 30 minutes, add 1% coupling agent evenly during the stirring process, then add talcum powder filler, and stir vigorously for 15 minutes. It is used as a solvent to prepare a 0.5% solution of the coupling agent to soak the glass ...

Embodiment 2

[0013] Add according to the following mass percentages: 35% high-density polyethylene (provided by Dongcheng Plastic Co., Ltd., Boluo County), 35% plant fiber (provided by Deqing Forest Flour Co., Ltd., Zhejiang Province, and the median diameter of wood powder is 100 mesh), Glass fiber 20% (provided by Jushi Group Co., Ltd., model: 910), talcum powder filler 5% (provided by Zhejiang Jiaxing Huayu Plastic Raw Material Co., Ltd., median diameter is 250 mesh), lubricant 2.5% (provided by Guangzhou Long Sand Chemical Co., Ltd.), 0.5% of composite stabilizer (provided by Ciba, Switzerland), and the balance is other additives (provided by Baelocher, Germany). Put the plant fiber into a high-speed mixer at 80°C, set the speed at 1500 rpm and stir vigorously for 30 minutes, add 1% coupling agent evenly during the stirring process, then add talcum powder filler, and stir vigorously for 10 minutes. Used as a solvent to prepare a 1.0% solution of the coupling agent to soak the glass fibe...

Embodiment 3

[0015]Add according to the following mass percentages: high-density polyethylene 30% (provided by Dongcheng Plastic Co., Ltd., Boluo County), plant fiber 30% (provided by Zhejiang Deqing Forest Wood Flour Co., Ltd., the median diameter of wood powder is 100 mesh), Glass fiber 30% (Jushi Group Co., Ltd., model: 910), talcum powder filler 5% (provided by Zhejiang Jiaxing Huayu Plastic Raw Material Co., Ltd., median diameter is 250 mesh), lubricant 2% (provided by Guangzhou Longsha Chemical Industry Co., Ltd. Co., Ltd.), 0.5% composite stabilizer (provided by Ciba, Switzerland), and the balance is other additives (provided by Baelocher, Germany). Put the plant fiber into a high-speed mixer at 85°C, set the speed at 1800 rpm and stir vigorously for 30 minutes, add 1% coupling agent evenly during the stirring process, then add coal ash powder filler, and stir vigorously for 10 minutes . Used as a solvent to prepare a 1.0% solution of the coupling agent to soak the glass fiber, dry...

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Abstract

The invention discloses a long glass fiber reinforced plastic wood composite section and a preparation method thereof. The formulation of the section comprises the components by mass percent: 25-45% of high-density polyethylene, 30-50% of plant fiver, 10-39.8% of glass fiber, 3-10% of mineral filler, 1-4% of lubricating agent, 0.2-1% of stabilizing agent and 1-5% of other auxiliary agent. By being filled the long glass fiber, the section greatly improves the strength of material, leads plastic wood material to develop towards structural section, and can be applied to building structure materials. As the long glass fiber passes through a specified mould in the extruding process, the longitudinal distribution of the long fiver is guaranteed to some extent, and the mechanical property of the material can be greatly improved. The surface of the material can be ensured to have no phenomenon of floating fiber by adding the auxiliary agent and adjusting the extrusion pressure. The preparation method of the long glass fiber reinforced plastic wood composite section has the advantages of simple technique, easily obtained raw materials, low cost, little pollution, large-scale production and the like.

Description

technical field [0001] The invention relates to a composite profile and a preparation method thereof, in particular to a long glass fiber reinforced plastic-wood composite profile and a preparation method thereof. Background technique [0002] At home and abroad, the fastest development of plastic wood molding is extrusion molding. Due to the limitation of extrusion volume, the products are mostly narrow-area plates and strips. Screw extruder, the products are mostly used for narrow and long materials such as door and window frames and decorative materials. Due to the small cross-sectional area of ​​these materials, compared with wood of the same cross-sectional area, its strength and rigidity are lower than wood, so they cannot be used as structural materials. Therefore, how to improve the strength and rigidity of wood-plastic materials and broaden the application range of wood-plastic products will be an important topic for future research in the wood-plastic industry. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08K13/06C08K7/14C08K3/34
Inventor 季建仁王玉梅靳晓雨彭文勇袁海兵
Owner HUIDONG MEIXIN PLASTIC LUMBER PROD MFG CO LTD
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