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Preparation method of environment-friendly antibacterial plastic-wood composite board

A composite board and plastic-wood technology, which is applied in the field of preparation of environmentally friendly antibacterial wood-plastic composite boards, can solve the problem of high requirements for waste plastics, achieve excellent water resistance, environmental protection of plastic-wood composite boards, and realize harmless and resource utilization. Effect

Inactive Publication Date: 2021-03-12
江苏凯盛环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are various shortcomings in the recycling of waste plastics, and the existing recycling process has high requirements for waste plastics

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A method for preparing an environment-friendly antibacterial plastic-wood composite board, comprising the following steps:

[0020] (1) Put the PET waste through the crusher first and then collect it for later use;

[0021] (2) According to the ratio of parts by mass, 80 parts of PET waste powder (50 mesh to 100 mesh in particle size), 5 parts of epoxy resin, 15 parts of butylated melamine formaldehyde resin, and 4 parts of nano-silica , 3 parts of benzoyl peroxide, 1 part of aluminate coupling agent, 3 parts of carbon nanotubes, and 2 parts of formaldehyde are poured into the mixer, the speed of the mixer is 100-120r / min, and the mixing time is 15 -20min, mixed to obtain the premix;

[0022] (3) Put the premixed material into the granulator, extrude it into a lump material in a molten state, cool it by air, and crush it into a soft and dry granulated material by a crusher;

[0023] (4) According to the ratio of parts by mass, 100 parts of granulation material, 60 par...

Embodiment 2

[0026] A method for preparing an environment-friendly antibacterial plastic-wood composite board, comprising the following steps:

[0027] (1) Put the PET waste through the crusher first and then collect it for later use;

[0028] (2) According to the ratio of parts by mass, 85 parts of PET waste powder (with a particle size of 50 mesh to 100 mesh), 7 parts of epoxy resin, 18 parts of butylated melamine formaldehyde resin, and 6 parts of nano-silica , 4 parts of benzoyl peroxide, 3 parts of aluminate coupling agent, 4 parts of carbon nanotubes, and 3 parts of formaldehyde are poured into the mixer, the speed of the mixer is 100-120r / min, and the mixing time is 15 -20min, mixed to obtain the premix;

[0029] (3) Put the premixed material into the granulator, extrude it into a lump material in a molten state, cool it by air, and crush it into a soft and dry granulated material by a crusher;

[0030] (4) According to the ratio of parts by mass, 110 parts of granulation material...

Embodiment 3

[0033] A method for preparing an environment-friendly antibacterial plastic-wood composite board, comprising the following steps:

[0034] (1) Put the PET waste through the crusher first and then collect it for later use;

[0035] (2) According to the ratio of parts by mass, 90 parts of PET waste powder (with a particle size of 50 mesh to 100 mesh), 12 parts of epoxy resin, 22 parts of butylated melamine formaldehyde resin, and 8 parts of nano-silica , 6 parts of benzoyl peroxide, 4 parts of aluminate coupling agent, 5 parts of carbon nanotubes, and 5 parts of formaldehyde are poured into the mixer, the speed of the mixer is 100-120r / min, and the mixing time is 15 -20min, mixed to obtain the premix;

[0036] (3) Put the premixed material into the granulator, extrude it into a lump material in a molten state, cool it by air, and crush it into a soft and dry granulated material by a crusher;

[0037] (4) According to the ratio of parts by mass, 120 parts of granulation materia...

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Abstract

The invention discloses a preparation method of an environment-friendly antibacterial plastic-wood composite board, which comprises the following steps: crushing PET waste by a crusher, and adding thecrushed PET waste and auxiliary materials into a mixer to obtain a premix; granulating the premix by an extruder, mixing the premix with other raw materials, performing extrusion granulation to obtain plastic-wood granules, putting the plastic-wood granules into the extruder, performing extrusion molding by a mold, and performing hot pressing and cold pressing. According to the preparation methodof the environment-friendly antibacterial plastic-wood composite board, harmless and resource utilization of waste plastic is achieved, shortage of wood resources is relieved, and meanwhile the prepared plastic-wood composite board is environmentally friendly and has excellent waterproofness, antibacterial property, mildew resistance and structural toughness; therefore, the problems that wood products are prone to decay, expand and deform after absorbing water and being affected with damp in humid and watery environments are fundamentally solved.

Description

technical field [0001] The invention relates to a preparation method of an environment-friendly and antibacterial plastic-wood composite board. [0002] technical background [0003] With the continuous development of my country's modernization and the continuous improvement of people's living standards, the demand for timber is increasing day by day. The resulting over-harvesting has made vegetation resources increasingly tense and caused serious environmental problems. my country's natural timber resources are decreasing day by day, but the market demand for wooden products is increasing day by day. Plastic wood, a new material to replace wood, is a new type of composite material synthesized with plant fiber and plastic. It has the advantages of both plant fiber and plastic. It has a wide range of applications and can cover almost all logs, plastics, and plastic steel. , aluminum alloy and other similar composite materials. The promotion and application of wood-plastic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L63/00C08L61/32C08L97/02C08L23/28C08K3/36C08K5/14C08K3/04C08K7/20C08K3/22C08K3/30C08K5/13C08K13/04
CPCC08L67/02C08L97/02C08L2205/035C08K2201/011C08K2003/2227C08K2003/3009
Inventor 陈同年
Owner 江苏凯盛环保科技有限公司
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