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Method for preparing mixed plastic-wood flooring material

A technology for flooring materials and plastic wood, applied in the field of plastic wood flooring, can solve the problems of the decline of the surface mechanical properties, poor compressive strength, shortened life and other problems of the wood plastic floor, and achieve the enhancement of physical and mechanical properties, increase the melting point and hardness, and improve the bond. force effect

Inactive Publication Date: 2017-11-10
湖州中林国际贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the poor compressive strength and wear resistance of the wood-plastic floor during use, it will lead to a decrease in the mechanical properties of the wood-plastic floor surface and shorten the life. Therefore, it is imminent to improve the compressive strength and wear resistance of the wood-plastic composite floor.

Method used

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  • Method for preparing mixed plastic-wood flooring material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of preparation method of mixed plastic-wood floor material that the present invention proposes, comprises the following steps:

[0020] S1. Put polyethylene particles, lubricant, antioxidant, anti-ultraviolet absorber, light stabilizer, heat stabilizer, and anti-mold agent into the mixer and stir to obtain material A;

[0021] S2. Add sodium chloride to expanded graphite, adjust temperature, grind, add water, heat up and stir, filter, wash, dry, add concentrated sulfuric acid, stir at room temperature, heat up and stir, add amino-terminated branched chain polyethylene glycol after alkalization Alcohol, ultrasonic dispersion, filtration, drying, adding material A, phenolic epoxy resin, glass fiber, silicon carbide fiber, nano silicon dioxide and mixing evenly to obtain material B;

[0022] S3. Add wood flour and diaminodiphenylmethane to material B, mix evenly, send it to a granulator for granulation, dry, send it to an extruder for extrusion molding, vacuum cooli...

Embodiment 2

[0024] A kind of preparation method of mixed plastic-wood floor material that the present invention proposes, comprises the following steps:

[0025] S1. By weight, 40 parts of polyethylene particles, 2 parts of lubricant, 1 part of antioxidant, 2 parts of anti-ultraviolet absorber, 1 part of light stabilizer, 2 parts of heat stabilizer, and 1 part of mold inhibitor are sent into Stir in the mixer for 35min, the stirring speed is 1200r / min, obtain A material;

[0026] S2. Add 12 parts of expanded graphite to 4 parts of sodium chloride in parts by weight, adjust the temperature to 4°C, grind for 8 minutes, add 80 parts of water, heat up to 45°C and stir for 40 minutes, filter, wash, dry, and add 50 parts of the concentration of 98wt% concentrated sulfuric acid, stirred at room temperature for 2 hours, heated to 135°C and stirred for 15 minutes, after alkalization, added 2 parts of amino-terminated branched polyethylene glycol, ultrasonically dispersed for 5 minutes, filtered, d...

Embodiment 3

[0029] A kind of preparation method of mixed plastic-wood floor material that the present invention proposes, comprises the following steps:

[0030] S1. By weight, 60 parts of polyethylene particles, 1 part of lubricant, 2 parts of antioxidant, 1 part of anti-ultraviolet absorber, 2 parts of light stabilizer, 1 part of heat stabilizer, and 2 parts of anti-mold agent are sent into Stir in the mixer for 15min, the stirring speed is 1700r / min, obtain A material;

[0031] S2. Add 5 parts of expanded graphite to 10 parts of sodium chloride in parts by weight, adjust the temperature to 0°C, grind for 12 minutes, add 50 parts of water, heat up to 55°C and stir for 20 minutes, filter, wash, dry, and add 100 parts of the concentration of 94wt% concentrated sulfuric acid, stirred at room temperature for 4 hours, heated to 120°C and stirred for 35 minutes, after alkalization, added 1 part of amino-terminated branched polyethylene glycol, ultrasonically dispersed for 15 minutes, filtered...

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Abstract

The invention discloses a method for preparing a mixed plastic-wood flooring material, and the method comprises the following steps: sending polyethylene particles, a lubricant, an antioxidant, an anti UV absorber, a light stabilizer, a heat stabilizer and a preservative into a mixer for stirring to obtain an A material; adding expanded graphite into sodium chloride, adjusting temperature, grinding, adding water, heating, stirring, filtering, washing, drying, adding concentrated sulfuric acid, stirring at room temperature, heating, stirring, alkalifying, adding amino-terminated branched polyethylene glycol, ultrasonically dispersing, filtering, drying, adding the A material, phenolic epoxy resin, glass fiber, silicon carbide fiber and nano silica for evenly mixing to obtain a B material; and adding wood flour and diaminodiphenylmethane for evenly mixing, sending into a granulator for granulation, drying, sending to an extruder for extrusion molding, cooling under vacuum and sanding to obtain the mixed plastic-wood flooring material.

Description

technical field [0001] The invention relates to the technical field of plastic-wood flooring, in particular to a preparation method of a mixed plastic-wood flooring material. Background technique [0002] Wood-plastic composites are made from agricultural and forestry waste and waste plastics through the principle of polymer interface compatibility, and are a new type of wood-replacing product. This product is of great significance for the comprehensive utilization of resources, environmental protection, and conservation of forest resources. [0003] Wood-plastic composites have the dual characteristics of wood and resin, with excellent mechanical properties, high strength, good dimensional stability, and excellent processability, which can be nailed, planed, and sawed. The material can also be recycled repeatedly, and it is a real "green" new material. Widely used in wood-plastic flooring. [0004] However, due to the poor compressive strength and wear resistance of wood...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L97/02C08L71/02C08L63/00C08K9/02C08K7/24C08K7/14C08K7/10C08K3/36C08K5/18
Inventor 童磊
Owner 湖州中林国际贸易有限公司
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