High-performance wood-plastic composite material and preparation method thereof

A wood-plastic composite material, high-performance technology, applied in the field of chemical materials, can solve the problems of poor compatibility between thermoplastics and plant fibers, weak interface interaction force, low mechanical strength, etc., to achieve sustainable development, interface interaction The effect of enhancing force and improving mechanical properties

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

AI Technical Summary

Problems solved by technology

Due to the poor compatibility between thermoplastics and plant fibers, the interface interaction force is weak, which leads to the disadvantages of 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

[0025] A high-performance wood-plastic composite material consisting of the following raw materials:

[0026] Peanut shell powder 60kg, bamboo powder 30kg, waste plastic 60kg, epoxy resin 15kg, mineral fiber 4kg, magnesium carbonate whisker 5kg, nano calcium carbonate 4kg, maleic anhydride 8kg, silicone waterproofing agent 4kg, 168 antioxidant 2kg, red Phosphorus flame retardant 3kg and 788 light stabilizer 3kg.

[0027] Preparation:

[0028] (1) Modification pretreatment: Add 60kg of peanut shell powder, 30kg of bamboo powder, 4kg of nano-calcium carbonate and 6kg of maleic anhydride into a ball mill, and stir for 8 minutes at a speed of 80r / 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 a high-speed mixer, and stir for 12 minutes at a speed of 100r / min to obtain a mixed material;

[0030] (3) Hot pressing forming: put the mixed material into the hot pressing shapin...

Embodiment 2

[0033] A high-performance wood-plastic composite material consisting of the following raw materials:

[0034] Peanut shell powder 70kg, bamboo powder 30kg, waste plastic 70kg, epoxy resin 15kg, mineral fiber 5kg, magnesium carbonate whiskers 6kg, nano calcium carbonate 6kg, maleic anhydride 7kg, silicone waterproofing agent 5kg, 168 antioxidant 3kg, red Phosphorus flame retardant 4kg and 788 light stabilizer 4kg.

[0035] Preparation:

[0036] (1) Modification pretreatment: Add 70kg of peanut shell powder, 30kg of bamboo powder, 6kg of nano-calcium carbonate and 7kg of maleic anhydride into a ball mill, and stir for 8 minutes at a speed of 100r / min to obtain modified fibers;

[0037] (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 10 minutes at a speed of 120r / min to obtain a mixed material;

[0038] (3) Hot pressing molding: Put the mixed material into the hot pressing shap...

Embodiment 3

[0041] A high-performance wood-plastic composite material consisting of the following raw materials:

[0042] Peanut shell powder 70kg, bamboo powder 40kg, waste plastic 80kg, epoxy resin 20kg, mineral fiber 4kg, magnesium carbonate whiskers 7kg, nano-calcium carbonate 5kg, maleic anhydride 8kg, silicone waterproofing agent 3kg, 168 antioxidant 4kg, red Phosphorus flame retardant 5kg and 788 light stabilizer 2kg.

[0043] Preparation:

[0044] (1) Modification pretreatment: Add 70kg of peanut shell powder, 40kg of bamboo powder, 5kg of nano-calcium carbonate and 8kg of maleic anhydride into a ball mill, and stir for 5 minutes at a speed of 120r / min to obtain modified fibers;

[0045] (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 12 minutes at a speed of 100r / min to obtain a mixed material;

[0046] (3) Hot pressing molding: put the mixed material into the hot pressing shap...

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Abstract

The invention discloses a high-performance wood-plastic composite material and a preparation method thereof. The material is prepared from the following components in parts by weight: 60 to 80 parts of peanut hull powder, 30 to 50 parts of bamboo powder, 60 to 90 parts of abandoned plastics, 15 to 25 parts of epoxy resin, 4 to 6 parts of mineral fibers, 5 to 7 parts of magnesium carbonate whiskers, 4 to 6 parts of nano calcium carbonate, 6 to 9 parts of maleic anhydride, 3 to 5 parts of an organosilicone water-proofing agent, 2 to 4 parts of an 168 antioxidant, 3 to 5 parts of a red phosphorus fire-retardant and 3 to 5 parts of a 788 light stabilizer. The preparation method comprises the processing steps of modified pre-treatment, mixing at high speed, hot press molding, cooling setting and the like. The wood-plastic composite material obtained through the method has the advantages of high compressive strength, high abrasive resistance, low cost, high distortion temperature and the like, and the material and the method, provided by the invention, also have the advantages of simple processing technique, short processing time, low cost and the like, and are suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to a high-performance 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. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L101/00C08L63/00C08K13/04C08K7/04C08K7/08C08K3/26C08K5/526C08K3/02C08K5/54
Inventor 许超群
Owner 许超群
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