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Low-cost wood-plastic composite material and preparation method thereof

A wood-plastic composite material, low-cost technology, applied in the field of chemical materials, can solve the problems of weak interfacial interaction force, low mechanical strength, short service life, etc., and achieve the effects of short processing time, simple processing technology, and reduced production cost.

Inactive Publication Date: 2015-11-25
许超群
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the poor compatibility between thermoplastics and plant fibers, the interface interaction force is weak, resulting in relatively low mechanical strength, easy aging, high cost, and short service life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A low-cost wood-plastic composite material, comprising the following raw materials in parts by weight:

[0025] Corn straw 40kg, sisal residue 30kg, waste plastic 35kg, polyvinyl chloride 15kg, aramid fiber 3kg, cotton fiber 5kg, calcium stearate 6kg, 1010 antioxidant 2kg, 788 light stabilizer 2kg and magnesium hydroxide flame retardant 3kg.

[0026] The water content of the corn stalks and sisal dregs are both 12%, and the particle size is 30 mesh.

[0027] Preparation:

[0028] (1) Modification pretreatment: Add 40kg of corn stalks, 30kg of sisal residue and 6kg of calcium stearate into a ball mill, and stir for 18min at a speed of 120r / min to obtain modified fibers;

[0029] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into the high-speed mixer at a speed of 150

[0030] Stirring 8min under r / min, obtains mixed material;

[0031] (3) Hot pressing molding: put the mixed material into the hot pressi...

Embodiment 2

[0034] A low-cost wood-plastic composite material, comprising the following raw materials in parts by weight:

[0035] Corn straw 45kg, sisal residue 25kg, waste plastic 40kg, polyvinyl chloride 20kg, aramid fiber 4kg, cotton fiber 5kg, calcium stearate 8kg, 1010 antioxidant 3kg, 788 light stabilizer 3kg and magnesium hydroxide flame retardant 4kg.

[0036] The water content of the corn stalks and sisal dregs are both 12%, and the particle size is 30 mesh.

[0037] Preparation:

[0038] (1) Modification pretreatment: Add 45kg of corn stalks, 25kg of sisal residue and 8kg of calcium stearate into a ball mill, and stir for 15min at a speed of 150r / min to obtain modified fibers;

[0039] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into a high-speed mixer, and stir for 8 minutes at a speed of 200r / min to obtain a mixed material;

[0040] (3) Hot pressing molding: put the mixed material into the hot pressing sha...

Embodiment 3

[0043] A low-cost wood-plastic composite material, comprising the following raw materials in parts by weight:

[0044] Corn straw 50kg, sisal residue 30kg, waste plastic 45kg, polyvinyl chloride 20kg, aramid fiber 5kg, cotton fiber 7kg, calcium stearate 9kg, 1010 antioxidant 3kg, 788 light stabilizer 4kg and magnesium hydroxide flame retardant 4kg.

[0045] The water content of the corn stalks and sisal dregs are both 10%, and the particle size is 50 mesh.

[0046] Preparation:

[0047] (1) Modification pretreatment: add 50kg of corn stalks, 30kg of sisal residue and 9kg of calcium stearate into a ball mill, and stir for 18min at a speed of 120r / min to obtain modified fibers;

[0048] (2) High-speed mixing: Add the above-mentioned modified fiber and the remaining raw materials of each component into a high-speed mixer, and stir for 5 minutes at a speed of 250r / min to obtain a mixed material;

[0049] (3) Hot pressing molding: put the mixed material into the hot pressing sha...

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Abstract

The invention discloses a low-cost wood-plastic composite material and a preparation method thereof. The low-cost wood-plastic composite material comprises, by weight, 40-60 parts of corn stalks, 25-40 parts of sisal dregs, 35-50 parts of abandoned plastics, 15-20 parts of polyvinyl chloride, 3-5 parts of aramid fibers, 5-7 parts of cotton fibers, 6-9 parts of calcium stearate, 2-3 parts of antioxidant, 2-4 parts of light stabilizer and 3-5 parts of magnesium hydroxide fire retardant. The preparation method includes the processing steps of modified pretreatment, high-speed material mixing, hot press molding, cooling and shaping. According to the low-cost wood-plastic composite material and the preparation method thereof, the corn stalks, the sisal dregs and the abandoned plastics are comprehensively used as main raw materials, so that cost is lowered, and the environmental pollution problem of waste is further solved. The obtained wood-plastic composite material has the advantages of being high in compressive strength, high in abrasion resistance and the like. The wood-plastic composite material further has the advantages of being simple in processing technology, short in processing time, low in cost and the like, thereby being suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to a low-cost wood-plastic composite material and a preparation method thereof. Background technique [0002] The existing reserves of non-renewable resources on the earth are very limited. With the rapid development of the plastic industry, the "white pollution" caused by plastic products has brought great harm to human production and living environment. In order to solve the shortage of raw materials and environmental problems, people gradually shift their attention to the renewable resources on the earth. Plant fiber material is a kind of natural polymer material and an inexhaustible resource. The potential advantages of plant fiber used in composite materials have attracted more and more attention. It is cheap, low density, and has a high elastic modulus, which is similar to inorganic fibers, and its biodegradability and renewability are the most prominent. The adva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L101/00C08L27/06C08L77/10C08K13/02C08K5/098C08K5/134C08K3/22
Inventor 许超群
Owner 许超群
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