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Reinforced flame-retardant bamboo-plastic composite material and preparation method thereof

A composite material, bamboo-plastic technology, applied in the field of composite material science, can solve problems such as lack of flame retardancy, limited product application range, and influence on physical and mechanical properties

Inactive Publication Date: 2013-10-02
长沙达联塑料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main raw materials of bamboo-plastic composite materials are bamboo fiber and petrochemical-based resin, so the bamboo-plastic composite material itself does not have flame retardancy, and the addition of bamboo fiber has a greater impact on the physical and mechanical properties of the bamboo-plastic composite material.
(Mechanical performance index data decline) This greatly limits the scope of application of its products

Method used

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  • Reinforced flame-retardant bamboo-plastic composite material and preparation method thereof
  • Reinforced flame-retardant bamboo-plastic composite material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment Construction

[0012] In order to better understand the present invention, examples are given in detail.

[0013] Crush the bamboo into 50-200 mesh bamboo powder, then soak it in a sodium hydroxide solution with a mass concentration of 2%-8% for 3-5 hours, take it out and wash it with clean water until it is neutral, then put it in a dryer to dry 60-70 ℃, 3 hours, make its moisture content < 2%, make the pretreated bamboo powder stand-by;

[0014] Add bamboo powder, barium sulfate, talcum powder, ammonium polyphosphate, polypropylene grafted maleic anhydride, silane coupling agent, and antioxidant 168 in a high-speed mixer at 400-600 rpm according to the ratio specified in Table 1. After stirring at a high speed for 30 minutes, add polypropylene and mix and stir for 30 minutes, take it out, dry for 3-4 hours, the drying temperature is 60°C, extrude, pull, cool, and pelletize through a twin-screw extruder , air-dried to prepare a kind of reinforced flame-retardant bamboo-plastic composite ma...

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Abstract

The invention aims to provide a reinforced flame-retardant bamboo-plastic composite material and a preparation method thereof. The reinforced flame-retardant bamboo-plastic composite material is characterized by comprising the following components by mass percent: 35-60 percent of polypropylene, 15-40 percent of bamboo powder, 10-20 percent of barium sulfate, 10-20 percent of talcum powder, 5-10 percent of flame retardant, 2-10 percent of compatilizer, 0.5-2 percent of coupling agent and 0.1-1 percent of antioxygen. The prepared reinforced flame-retardant bamboo-plastic composite material is excellent in flame-retardant effect, favorable in surface glossiness and high in physical and mechanical strengths, is waterproof and corrosion-resistant, is a green and environmental-friendly bamboo-plastic composite material and can be widely applied in the fields of gardens, buildings, decoration and the like.

Description

technical field [0001] The invention relates to a reinforced flame-retardant bamboo-plastic composite material and a preparation method thereof, belonging to the field of composite material science and technology. Background technique [0002] my country is the "Kingdom of Bamboo", and bamboo resources are very rich. Bamboo plants have been increasingly valued by people because of their fast production cycle and easy cultivation and management. Bamboo-plastic composite material has been a new type of green environmental protection material that has emerged in recent years. Bamboo-plastic composite material has the advantages of both bamboo and resin, waterproof and corrosion-resistant, no cracking, easy to cut, drill, fix, etc., with natural It is environmentally friendly, recyclable, and has great prospects for development and utilization. However, the main raw materials of bamboo-plastic composite materials are bamboo fiber and petrochemical-based resin, so the bamboo-...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L97/02C08L51/06C08K13/02C08K3/30C08K3/34C08K3/32B29C47/92B29C48/92
CPCB29C48/04B29C48/911
Inventor 陈建生
Owner 长沙达联塑料有限公司
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