Wood-plastic composite tray

A technology of wood-plastic composite materials and pallets, which is applied in the field of plastic product production, can solve problems such as environmental pollution, destruction of agricultural ecological balance, waste of resources, etc., and achieve the effects of excellent mechanical and mechanical properties, high ecological benefits and economic benefits

Inactive Publication Date: 2019-01-04
WUHU ASIA PACIFIC GENERAL TRAY PACKING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Crop straw accounts for about 50% of crop biological output, and is a kind of extremely rich renewable organic resources. According to the research and analysis of the relevant research group of the Regional Planning Institute of the Chinese Academy of Agricultural Sciences, there are about 620 million tons of straw in my country every year, and most of these straws are in vain. Burning, causing a lot of waste of resources, destroying the balance of agricultural ecology, and polluting the environment
Moreover, if the waste sawdust, rice husk, and fruit shells of wood processing plants cannot be rationally utilized, a large amount of resources will be wasted and the environment will be polluted.

Method used

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  • Wood-plastic composite tray

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preparation example Construction

[0024] The preparation method of the modified wood flour is as follows: evenly spray the composite enzyme preparation on the wood flour, control the temperature to 45-55° C., and soak it in NaOH solution with a concentration of 5-10 wt% for 24-24 hours after enzymatic hydrolysis for 35-45 hours. After 36 hours, the wood powder was washed to neutrality, and then dried until the water content was lower than 3%, to obtain modified wood powder; the mass ratio of the composite enzyme preparation, wood powder, and NaOH solution was 0.5-1.5:100:400 -800.

[0025] The wood-plastic composite tray is prepared as follows: Weigh each raw material according to the preset value, then add the plastic base material, modified wood powder, coupling agent, antioxidant, and colorant into a high-speed mixer and mix Uniform, get the mixture; then send the mixture into the twin-screw extruder to granulate to get the pellets; then use the injection machine to inject the pellets into the molding mold,...

Embodiment 1

[0027] The present invention proposes a wood-plastic composite tray, the raw materials of which include by weight: 30 parts of PE recycled material, 70 parts of modified wood flour, 0.1 part of silane coupling agent KH550, 0.1 part of sodium stearate, antioxidant 10761.5 parts, 0.5 parts of 2,6-di-tert-butyl-4-methylphenol, 0.1 parts of black masterbatch.

[0028] The preparation method of the modified wood flour is as follows: evenly spray the compound enzyme preparation on the wood flour, control the temperature to 45° C., and after enzymatic hydrolysis for 45 hours, soak the wood flour with a concentration of 5wt% NaOH solution for 36 hours, and then wash the wood flour until Neutral, and then dried until the water content is lower than 3%, to obtain modified wood flour. The compound enzyme preparation is composed of pectinase and cellulase in a weight ratio of 1:6; the mass ratio of the compound enzyme preparation, wood powder, and NaOH solution is 1.5:100:400; the wood po...

Embodiment 2

[0031]The present invention proposes a wood-plastic composite pallet, the raw materials of which include by weight: 50 parts of PP regenerated material, 50 parts of modified wood powder, 1 part of silane coupling agent KH560, 1 part of titanate coupling agent NDZ102, 1 part of zinc stearate, 22460.1 parts of antioxidant, 1 part of black masterbatch.

[0032] The preparation method of the modified wood powder is as follows: evenly spray the compound enzyme preparation on the wood powder, control the temperature to 55°C, and after enzymatic hydrolysis for 35 hours, soak the wood powder with a concentration of 10wt% NaOH solution for 24 hours, and then wash the wood powder until Neutral, and then dried until the water content is lower than 3%, to obtain modified wood powder. The compound enzyme preparation is composed of pectinase and cellulase in a weight ratio of 1:8; the mass ratio of the compound enzyme preparation, wood powder, and NaOH solution is 0.5:100:800; the wood powd...

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Abstract

The invention relates to the technical field of processing of plastic products, and particularly discloses a wood-plastic composite tray. The wood-plastic composite tray comprises the following raw materials in parts by weight: 30-50 parts of a plastic base material, 50-70 parts of modified wood flour, 0.1-2 parts of a coupling agent, 0.1-1 part of a lubricating agent, 0.1-1.5 parts of an antioxidant and 0.1-1 part of a coloring agent. The modified wood flour is obtained by carrying out enzymolysis on wood flour by using pectinase and cellulase and then soaking the wood flour by using a NaOH solution. The mechanical property of the prepared wood-plastic composite tray is excellent, and the ecological benefit and economic benefit are high.

Description

technical field [0001] The invention relates to the technical field of plastic product production, in particular to a pallet made of wood-plastic composite material. Background technique [0002] Wood-plastic composite (WPC) is a product made of wood fiber and plastic as the main raw material, after adding various processing aids, mixing with a high-speed mixer, and then granulating or directly molding. Using wood-plastic composite materials to make molded pallets can solve the disadvantages of poor cleanliness, easy damage, and short life of wooden pallets, and also avoid the disadvantages of poor rigidity, high price, and low specification flexibility of all-plastic pallets. The excellent characteristics of the plastic tray. [0003] With the development of the global economy and the improvement of human living standards, the output and consumption of plastic products are also increasing. However, the ensuing "white pollution" has caused serious pollution to the earth env...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08L23/12C08K5/134C08K5/13
CPCC08L23/12C08L97/02C08L2207/20C08L23/06C08K5/1345C08K5/13
Inventor 夏则荣
Owner WUHU ASIA PACIFIC GENERAL TRAY PACKING CO LTD
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