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Preparation method of high-strength composite plastic-wood material

A wood-plastic material and high-strength technology, applied in the field of wood-plastic materials, can solve the problems of limited application of wood-plastic materials and the strength of wood-plastic materials cannot meet the requirements, and achieve excellent comprehensive performance, high strength, and good flame retardant properties. Effect

Inactive Publication Date: 2018-09-28
FOSHAN SHANGLIFENG DECORATION MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, many wood-plastic materials prepared by existing preparation methods are used as interior decoration materials, and are rarely used outdoors or as industrial building materials. The reason is that the strength of wood-plastic materials does not meet the requirements and cannot meet the requirements Demand, so the application field of plastic wood materials has been greatly restricted

Method used

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  • Preparation method of high-strength composite plastic-wood material
  • Preparation method of high-strength composite plastic-wood material
  • Preparation method of high-strength composite plastic-wood material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] High-strength composite wood-plastic materials, wood-plastic materials include by mass components:

[0030]

[0031] The preparation method is:

[0032] Weighing components of polyvinyl chloride, polystyrene, polypropylene, wood flour, KH550 coupling agent, kaolin, PP‐g‐ST, castor oil and aluminum hydroxide;

[0033] Add the wood flour to the dryer, and dry it for 25 minutes at a temperature of 150°C, so that the humidity of the wood flour is 1%;

[0034] Add the dried wood flour to the high mixer, control the mixing speed to 600r / min, mix for 3 minutes, add polyvinyl chloride, polystyrene, polypropylene, wood flour and kaolin, mix for 6 minutes, then add KH550 coupling agent, PP-g-ST, castor oil and aluminum hydroxide, mixed for 4min to obtain a mixture;

[0035] Add the mixture into the extruder, control the temperature of the extruder to 240°C, and the screw speed to 400r / min, melt and extrude, cool, and pelletize to obtain wood-plastic material pellets;

[003...

Embodiment 2

[0038] High-strength composite wood-plastic materials, wood-plastic materials include by mass components:

[0039]

[0040] The preparation method is:

[0041] Weigh the components of polyvinyl chloride, polystyrene, polypropylene, wood flour, KH560 coupling agent, diatomaceous earth, ABS‐g‐MAH, silicone oil and magnesium hydroxide;

[0042] Add the wood flour to the dryer, and dry it for 17 minutes at a temperature of 140°C, so that the humidity of the wood flour is 3%;

[0043] Add the dried wood flour to the high mixer, control the mixing speed to 850r / min, mix for 2 minutes, add polyvinyl chloride, polystyrene, polypropylene, wood flour and diatomaceous earth, mix for 11 minutes, then add KH560 Coupling agent, ABS‐g‐MAH, silicone oil and magnesium hydroxide were mixed for 2 minutes to obtain a mixture;

[0044] Add the mixture into the extruder, control the temperature of the extruder to 210°C, and the screw speed to 470r / min, melt and extrude, cool, and pelletize to ...

Embodiment 3

[0047] High-strength composite wood-plastic materials, wood-plastic materials include by mass components:

[0048]

[0049] The preparation method is:

[0050] Weighing components of polyvinyl chloride, polystyrene, polypropylene, wood flour, KH570 coupling agent, talcum powder and asbestos powder, PE‐g‐MAH, fatty acid amides and monoammonium phosphate;

[0051] Add the wood powder into the dryer, and dry it for 15 minutes at a temperature of 100°C, so that the humidity of the wood powder is 4%;

[0052] Add the dried wood flour to the high mixer, control the mixing speed to 900r / min, mix for 1min, add polyvinyl chloride, polystyrene, polypropylene, wood flour, talcum powder and asbestos powder, mix for 12min, then Add KH570 coupling agent, PE-g-MAH, fatty acid amide and monoammonium phosphate, and mix for 2 minutes to obtain a mixture;

[0053] Add the compound into the extruder, control the temperature of the extruder to 200°C, and the screw speed to 600r / min, melt and ...

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Abstract

The invention discloses a preparation method of a high-strength composite plastic-wood material. The method comprises the following steps: adding wood meal into a dryer, and drying at a temperature of100-150 DEG C for 15-25 minutes, so that the humidity of the wood meal reaches 1-4%; adding the dried wood meal into a high-speed mixer, controlling the mixing speed to be 600-900 revolutions per minute, mixing for 1-3 minutes, adding polyvinyl chloride, polystyrene, polypropylene, wood meal and a filling agent, mixing for 6-12 minutes, adding a coupling agent, a compatilizer, a lubricating agentand a flame retardant, and mixing for 2-4 minutes to obtain a mixture; adding the mixture into an extruder, controlling a temperature of the extruder to be 200-240 DEG C, controlling a screw speed tobe 400-600 revolutions per minute, performing melt extrusion, cooling, and slicing, thereby obtaining the plastic-wood material. Due to high strength, the plastic-wood material prepared by the preparation method can serve as an indoor building material and can also serve as an industrial building material to be applied to many fields; moreover, the plastic-wood material has excellent flame retardant property and excellent overall performance.

Description

technical field [0001] The invention relates to the field of plastic-wood materials, in particular to a preparation method of high-strength composite plastic-wood materials. Background technique [0002] With the development of society, composite materials are widely used in various industries. Among them, plastic wood material is a kind of composite material. Because WPC has both the texture of plastic and wood, it has become a kind of excellent performance and very durable indoor building materials; it can also be used to replace wood to make various packaging, pallets, warehouse pads, etc. It has a wide range of uses. [0003] However, many wood-plastic materials prepared by existing preparation methods are used as interior decoration materials, and are rarely used outdoors or as industrial building materials. The reason is that the strength of wood-plastic materials does not meet the requirements and cannot meet the requirements Therefore, the application field of pla...

Claims

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Application Information

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IPC IPC(8): C08L97/02C08L27/06C08L25/06C08L23/12C08K3/34C08K3/22C08K7/26C08K7/12C08K3/38
CPCC08L97/02C08K2003/2224C08K2003/2227C08L2201/02C08L2205/035C08L27/06C08L25/06C08L23/12C08K3/346C08K3/22C08K7/26C08K7/12C08K3/34C08K3/38
Inventor 冯志坚
Owner FOSHAN SHANGLIFENG DECORATION MATERIALS CO LTD
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