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High-strength wood-plastic board and preparation method thereof

A high-strength, wood-plastic technology, applied in the field of chemical materials, can solve problems such as waste of sisal slag resources, achieve sustainable development, improve tensile strength, and increase molding rate

Inactive Publication Date: 2015-11-18
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention will aim at the above-mentioned problems existing in current wood-plastic composite materials and the waste of sisal slag resources, and provide a method for preparing high-strength wood-plastic boards by using sisal slag

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A high-strength wood-plastic board, including the following raw materials: sisal residue 50kg, waste plastic 40kg, modified phenolic resin 10kg, mineral fiber 6kg, rosin pentaerythritol ester 5kg, nano-calcium carbonate 10kg, 4kg antioxidant 1076, 3kg hydrogen Magnesium oxide flame retardant and 3kg light stabilizer 944. The water content of the sisal residue is 10%, and the particle size is 100 mesh.

[0027] Preparation:

[0028] (1) Modification pretreatment: add 50kg sisal slag, 5kg rosin pentaerythritol ester and 10kg nano-calcium carbonate into the ball mill, stir at a speed of 300r / min for 15min 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 5 minutes at a speed of 500r / min to obtain a mixed material;

[0030] (3) Hot pressing molding: put the mixed material into the hot pressing shaping machine, hot pressing and shaping at ...

Embodiment 2

[0033] A high-strength wood-plastic board, including the following raw materials: 60kg of sisal residue, 70kg of waste plastics, 15kg of modified phenolic resin, 8kg of mineral fiber, 8kg of rosin pentaerythritol ester, 8kg of nano-calcium carbonate, 3kg of antioxidant 1076, 2kg of hydrogen Magnesium oxide flame retardant and 3kg light stabilizer 944. The water content of the sisal residue is 10%, and the particle size is 80 mesh.

[0034] Preparation:

[0035] (1) Modification pretreatment: add 60kg of sisal residue, 8kg of rosin pentaerythritol ester and 8kg of nano-calcium carbonate into a ball mill, and stir for 12min at a speed of 500r / min to obtain modified fibers;

[0036] (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 600r / min to obtain a mixed material;

[0037] (3) Hot pressing molding: put the mixed material into the hot pressing shaping m...

Embodiment 3

[0040] A high-strength wood-plastic board, including the following raw materials: 70kg of sisal residue, 60kg of waste plastic, 15kg of modified phenolic resin, 10kg of mineral fiber, 5kg of rosin pentaerythritol ester, 10kg of nano calcium carbonate, 5kg of antioxidant 1076, 4kg of hydrogen Magnesium oxide flame retardant and 3kg light stabilizer 944. The water content of the sisal residue is 15%, and the particle size is 80 mesh.

[0041] Preparation:

[0042] (1) Modification pretreatment: Add 70kg of sisal residue, 5kg of rosin pentaerythritol ester and 10kg of nano-calcium carbonate into a ball mill, and stir for 15min at a speed of 400r / min to obtain modified fibers;

[0043] (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 500r / min to obtain a mixed material;

[0044] (3) Hot pressing molding: put the mixed material into the hot pressing shaping...

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Abstract

The invention discloses a high-strength wood-plastic board and a preparation method thereof. The high-strength wood-plastic board comprises components in parts by weight as follows: 50-80 parts of sisal dregs, 40-80 parts of waste plastics, 10-25 parts of modified phenolic resin, 6-10 parts of mineral fiber, 5-10 parts of pentalyn, 8-12 parts of nano calcium carbonate and 8-15 parts of an auxiliary. The preparation method comprises technological steps of modification pretreatment, high-speed mixing, hot-press molding and cooling for sizing. Comprehensive utilization of resources of the sisal dregs is realized, the prepared wood-plastic board has high compressive strength and wear resistance, the cost is reduced, and the service life of the wood-plastic board is long. The high-strength wood-plastic board and the preparation method have the advantages of simpleness in processing technology, short processing time, low cost and the like, and the wood-plastic board is applicable to industrial production.

Description

technical field [0001] The invention relates to the technical field of chemical materials, in particular to a high-strength wood-plastic board 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 advantages. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L101/00C08L61/14C08L93/04C08K13/04C08K7/04C08K3/26
Inventor 许超群
Owner 许超群
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