CN112480612A - Preparation method of environment-friendly antibacterial plastic-wood composite board - Google Patents
Preparation method of environment-friendly antibacterial plastic-wood composite board Download PDFInfo
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- CN112480612A CN112480612A CN202011362632.4A CN202011362632A CN112480612A CN 112480612 A CN112480612 A CN 112480612A CN 202011362632 A CN202011362632 A CN 202011362632A CN 112480612 A CN112480612 A CN 112480612A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a preparation method of an environment-friendly antibacterial plastic-wood composite board, which comprises the steps of crushing PET waste materials by a crusher, and putting the crushed PET waste materials and auxiliary materials into a mixer to obtain premix; and (3) granulating the premix by using an extruder, mixing the premix with other raw materials, extruding and granulating to obtain plastic-wood granules, putting the plastic-wood granules into the extruder, extruding and molding the plastic-wood granules by using a die, and performing hot pressing and cold pressing. The preparation method of the environment-friendly antibacterial plastic-wood composite board not only realizes harmless and resource utilization of waste plastics and relieves shortage of wood resources, but also has the advantages of environmental protection, excellent waterproofness, antibacterial property, mildew resistance and structural toughness, and fundamentally solves the problems of easy decay, expansion and deformation of wood products after absorbing water and being affected with damp in humid and multi-water environments.
Description
Technical Field
The invention relates to a preparation method of an environment-friendly antibacterial plastic-wood composite board.
Technical Field
With the continuous development of the modern construction of our country and the continuous improvement of the living standard of people, the demand of wood is increasing day by day, and the vegetation resource is increasingly tense due to the excessive harvesting, thereby causing serious environmental problems. Natural wood resources in China are increasingly reduced, and the market demand of wood products is increasing day by day. The wood plastic is a new material for replacing wood, is a novel composite material synthesized by taking plant fiber as a main raw material and plastic, has the advantages of the plant fiber and the plastic, has wide application range, and can almost cover the application fields of all logs, plastic steel, aluminum alloy and other similar composite materials. The popularization and application of the wood plastic can save a large amount of natural wood, is favorable for protecting the ecological environment, and can be easily processed like wood. The plastic-wood composite material is regarded as an environment-friendly new material by people. The composite material combines a plurality of advantages of plant fiber and plastic polymer material, can replace wood in large quantity, can effectively relieve the contradiction of forest resource shortage and wood supply shortage in China, and is a low-carbon, green and recyclable ecological material with great development prospect.
The rapid development of the plastic industry brings convenience to the life of people, but simultaneously brings a series of social problems caused by waste plastics and garbage and waste plastics. The use of plastic products has been deep into every corner of society, from industrial production to clothes and eating houses, where plastic products are ubiquitous. The dramatic increase of plastic wastes and the social and environmental problems caused by the increase of plastic wastes are generated in front of people and in places where people live all over the world. Recycling of waste plastics is a necessary way for realizing energy conservation and emission reduction and going on a sustainable development way. However, the recycling of the waste plastics has various defects, and the existing regeneration process has higher requirements on the waste plastics.
Therefore, a new method is designed, the plastic raw material obtained by processing the waste plastic is prepared again, and then the plastic raw material and the plant fiber are prepared into the environment-friendly antibacterial plastic-wood composite board.
Disclosure of Invention
The invention aims to provide a preparation method of an environment-friendly antibacterial plastic-wood composite board aiming at the defects of the prior art.
The purpose of the invention is realized by the following technical scheme: a preparation method of an environment-friendly antibacterial plastic-wood composite board comprises the following steps:
(1) crushing PET waste materials by a crusher and then collecting the PET waste materials for later use;
(2) pouring 80-90 parts of PET waste powder, 5-12 parts of epoxy resin, 15-22 parts of butylated melamine formaldehyde resin, 4-8 parts of nano silicon dioxide, 3-6 parts of benzoyl peroxide, 1-4 parts of an aluminate-acetate coupling agent, 3-5 parts of carbon nano tubes and 2-5 parts of formaldehyde into a mixer according to the mass part ratio, and mixing to obtain a premix;
(3) adding the premix into a granulator, extruding into a block material in a molten state, cooling by air, and crushing into soft and dry granulation materials by a crusher;
(4) according to the mass portion ratio, 100-120 portions of granulating material, 60-80 portions of wood powder, 10-20 portions of brominated butyl rubber, 2-5 portions of zinc stearate, 5-8 portions of trichloroethyl phosphate, 3-7 portions of vaseline, 10-20 portions of glass microsphere, 5-8 portions of trimethylolpropane triacrylate, 5-8 portions of aluminium hydroxide, 3-7 portions of sorbitol, 4-8 portions of molybdenum dithiocarbamate, 5-12 portions of nano molybdenum disulfide, 2-6 portions of mildew preventive, 1-3 portions of styrene-hydrogenated isoprene-styrene, 4-8 portions of coconut oleic acid monoethanolamide and 2-5 portions of allyl acetoacetate are poured into a mixer, fully mixed, added into a granulator to be extruded and granulated to obtain plastic wood granules, the plastic wood granules are put into an extruder, extruding and molding through a die;
(5) and (3) moving the wood-plastic composite board into a hot press for hot pressing, wherein the pressure is 40-60Mpa, the temperature is 140-160 ℃, and the pressure maintaining time is 6-10min, moving the wood-plastic composite board into a cold press for cold pressing and shaping after hot pressing, wherein the temperature is 70-80 ℃, the pressure is 20-30Mpa, and the pressure maintaining time is 6-10min, so as to obtain the wood-plastic composite board.
In the step (2), the rotating speed of the mixer is 100-120r/min, and the mixing time is 15-20 min.
The mildew preventive is phenol.
The wood powder is poplar powder, pine powder or cedar powder.
The plastic-wood granules are put into an extruder and are extruded and molded by a die, and the extrusion parameters are as follows: the temperature of the first zone, the second zone and the third zone is between 190 ℃ and 200 ℃, the temperature of the machine head is between 180 ℃ and 190 ℃, the rotating speed of the screw is 28-32r/min, and the cooling is carried out naturally.
The invention has the following beneficial effects: the preparation method of the environment-friendly antibacterial plastic-wood composite board not only realizes harmless and resource utilization of waste plastics and relieves shortage of wood resources, but also has the advantages of environmental protection, excellent waterproofness, antibacterial property, mildew resistance and structural toughness, and fundamentally solves the problems of easy decay, expansion and deformation of wood products after absorbing water and being affected with damp in humid and multi-water environments.
Detailed Description
Example 1
A preparation method of an environment-friendly antibacterial plastic-wood composite board comprises the following steps:
(1) crushing PET waste materials by a crusher and then collecting the PET waste materials for later use;
(2) according to the mass portion ratio, pouring 80 portions of PET waste powder (with the particle size of 50 meshes-100 meshes), 5 portions of epoxy resin, 15 portions of butylated melamine formaldehyde resin, 4 portions of nano silicon dioxide, 3 portions of benzoyl peroxide, 1 portion of an aluminate-vinegar coupling agent, 3 portions of carbon nano tubes and 2 portions of formaldehyde into a mixer at the rotating speed of 100 plus materials of 120r/min for 15-20min, and mixing to obtain a premix;
(3) adding the premix into a granulator, extruding into a block material in a molten state, cooling by air, and crushing into soft and dry granulation materials by a crusher;
(4) 100 parts of granulating material, 60 parts of wood powder (poplar powder, pine powder or fir powder), 10 parts of brominated butyl rubber, 2 parts of zinc stearate, 5 parts of trichloroethyl phosphate, 3 parts of vaseline, 10 parts of glass beads, 5 parts of trimethylolpropane triacrylate, 5 parts of aluminum hydroxide, 3 parts of sorbitol, 4 parts of molybdenum dithiocarbamate, 5 parts of nano molybdenum disulfide, 2 parts of mildew preventive phenol, 1 part of styrene-hydrogenated isoprene-styrene, 4 parts of coconut oleic acid monoethanolamide and 2 parts of allyl acetoacetate are poured into a mixer, fully mixed and added into the granulator to be extruded and granulated to obtain plastic-wood granules, the plastic-wood granules are placed into an extruder to be extruded and molded through a die, and the extrusion parameters are as follows: the temperature of the first zone, the second zone and the third zone is between 190 ℃ and 200 ℃, the temperature of the machine head is between 180 ℃ and 190 ℃, the rotating speed of the screw is 28-32r/min, and the cooling is carried out naturally;
(5) and (3) moving the wood-plastic composite board into a hot press for hot pressing, wherein the pressure is 40Mpa, the temperature is 140 ℃, the pressure maintaining time is 6min, moving the wood-plastic composite board into a cold press for cold pressing and shaping after hot pressing, the temperature is 70 ℃, the pressure is 20Mpa, and the pressure maintaining time is 6min, so as to obtain the wood-plastic composite board.
Example 2
A preparation method of an environment-friendly antibacterial plastic-wood composite board comprises the following steps:
(1) crushing PET waste materials by a crusher and then collecting the PET waste materials for later use;
(2) according to the mass portion ratio, 85 portions of PET waste powder (with the particle size of 50 meshes-100 meshes), 7 portions of epoxy resin, 18 portions of butylated melamine formaldehyde resin, 6 portions of nano silicon dioxide, 4 portions of benzoyl peroxide, 3 portions of an aluminate-vinegar coupling agent, 4 portions of carbon nano tubes and 3 portions of formaldehyde are poured into a mixer, the rotating speed of the mixer is 100-120r/min, the mixing time is 15-20min, and a premix is obtained through mixing;
(3) adding the premix into a granulator, extruding into a block material in a molten state, cooling by air, and crushing into soft and dry granulation materials by a crusher;
(4) according to the mass portion ratio, pouring 110 portions of granulating material, 70 portions of wood powder (poplar powder, pine powder or fir powder), 15 portions of brominated butyl rubber, 4 portions of zinc stearate, 6 portions of trichloroethyl phosphate, 5 portions of vaseline, 15 portions of glass beads, 6 portions of trimethylolpropane triacrylate, 7 portions of aluminum hydroxide, 5 portions of sorbitol, 6 portions of molybdenum dithiocarbamate, 8 portions of nano molybdenum disulfide, 4 portions of mildew preventive phenol, 2 portions of styrene-hydrogenated isoprene-styrene, 6 portions of coconut oil acid monoethanolamide and 3 portions of allyl acetoacetate into a mixer, fully mixing, adding into a granulator, extruding and granulating to obtain plastic wood granules, putting the plastic wood granules into an extruder, and extruding and molding through a die, wherein the extrusion parameters are as follows: the temperature of the first zone, the second zone and the third zone is between 190 ℃ and 200 ℃, the temperature of the machine head is between 180 ℃ and 190 ℃, the rotating speed of the screw is 28-32r/min, and the cooling is carried out naturally;
(5) and (3) moving the wood-plastic composite board into a hot press for hot pressing, wherein the pressure is 50Mpa, the temperature is 150 ℃, the pressure maintaining time is 8min, moving the wood-plastic composite board into a cold press for cold pressing and shaping after hot pressing, the temperature is 75 ℃, the pressure is 25Mpa, and the pressure maintaining time is 8min, so as to obtain the wood-plastic composite board.
Example 3
A preparation method of an environment-friendly antibacterial plastic-wood composite board comprises the following steps:
(1) crushing PET waste materials by a crusher and then collecting the PET waste materials for later use;
(2) according to the mass portion ratio, 90 portions of PET waste powder (with the particle size of 50 meshes-100 meshes), 12 portions of epoxy resin, 22 portions of butylated melamine formaldehyde resin, 8 portions of nano silicon dioxide, 6 portions of benzoyl peroxide, 4 portions of an aluminate-vinegar coupling agent, 5 portions of carbon nano tubes and 5 portions of formaldehyde are poured into a mixer, the rotating speed of the mixer is 120r/min, the mixing time is 15-20min, and a premix is obtained through mixing;
(3) adding the premix into a granulator, extruding into a block material in a molten state, cooling by air, and crushing into soft and dry granulation materials by a crusher;
(4) according to the mass portion ratio, pouring 120 portions of granulating material, 80 portions of wood powder (poplar powder, pine powder or fir powder), 20 portions of brominated butyl rubber, 5 portions of zinc stearate, 8 portions of trichloroethyl phosphate, 7 portions of vaseline, 20 portions of glass beads, 8 portions of trimethylolpropane triacrylate, 8 portions of aluminum hydroxide, 7 portions of sorbitol, 8 portions of molybdenum dithiocarbamate, 12 portions of nano molybdenum disulfide, 6 portions of mildew preventive phenol, 3 portions of styrene-hydrogenated isoprene-styrene, 4-8 portions of coconut oil acid monoethanolamide and 5 portions of allyl acetoacetate into a mixer, fully mixing, adding into the granulator to extrude and granulate, obtaining plastic-wood granules, putting the plastic-wood granules into an extruder, and extruding and molding through a mold, wherein the extrusion parameters are as follows: the temperature of the first zone, the second zone and the third zone is between 190 ℃ and 200 ℃, the temperature of the machine head is between 180 ℃ and 190 ℃, the rotating speed of the screw is 28-32r/min, and the cooling is carried out naturally;
(5) and (3) moving the wood-plastic composite board into a hot press for hot pressing, wherein the pressure is 60Mpa, the temperature is 160 ℃, the pressure maintaining time is 10min, moving the wood-plastic composite board into a cold press for cold pressing and shaping after hot pressing, the temperature is 80 ℃, the pressure is 30Mpa, and the pressure maintaining time is 10min, so as to obtain the wood-plastic composite board.
Claims (5)
1. The preparation method of the environment-friendly antibacterial plastic-wood composite board is characterized by comprising the following steps:
(1) crushing PET waste materials by a crusher and then collecting the PET waste materials for later use;
(2) pouring 80-90 parts of PET waste powder, 5-12 parts of epoxy resin, 15-22 parts of butylated melamine formaldehyde resin, 4-8 parts of nano silicon dioxide, 3-6 parts of benzoyl peroxide, 1-4 parts of an aluminate-acetate coupling agent, 3-5 parts of carbon nano tubes and 2-5 parts of formaldehyde into a mixer according to the mass part ratio, and mixing to obtain a premix;
(3) adding the premix into a granulator, extruding into a block material in a molten state, cooling by air, and crushing into soft and dry granulation materials by a crusher;
(4) according to the mass portion ratio, 100-120 portions of granulating material, 60-80 portions of wood powder, 10-20 portions of brominated butyl rubber, 2-5 portions of zinc stearate, 5-8 portions of trichloroethyl phosphate, 3-7 portions of vaseline, 10-20 portions of glass microsphere, 5-8 portions of trimethylolpropane triacrylate, 5-8 portions of aluminium hydroxide, 3-7 portions of sorbitol, 4-8 portions of molybdenum dithiocarbamate, 5-12 portions of nano molybdenum disulfide, 2-6 portions of mildew preventive, 1-3 portions of styrene-hydrogenated isoprene-styrene, 4-8 portions of coconut oleic acid monoethanolamide and 2-5 portions of allyl acetoacetate are poured into a mixer, fully mixed, added into a granulator to be extruded and granulated to obtain plastic wood granules, the plastic wood granules are put into an extruder, extruding and molding through a die;
(5) and (3) moving the wood-plastic composite board into a hot press for hot pressing, wherein the pressure is 40-60Mpa, the temperature is 140-160 ℃, and the pressure maintaining time is 6-10min, moving the wood-plastic composite board into a cold press for cold pressing and shaping after hot pressing, wherein the temperature is 70-80 ℃, the pressure is 20-30Mpa, and the pressure maintaining time is 6-10min, so as to obtain the wood-plastic composite board.
2. The preparation method of the environment-friendly antibacterial plastic-wood composite board as claimed in claim 1, wherein the preparation method comprises the following steps: in the step (2), the rotating speed of the mixer is 100-120r/min, and the mixing time is 15-20 min.
3. The preparation method of the environment-friendly antibacterial plastic-wood composite board as claimed in claim 1, wherein the preparation method comprises the following steps: the mildew preventive is phenol.
4. The preparation method of the environment-friendly antibacterial plastic-wood composite board as claimed in claim 1, wherein the preparation method comprises the following steps: the wood powder is poplar powder, pine powder or cedar powder.
5. The preparation method of the environment-friendly antibacterial plastic-wood composite board as claimed in claim 1, wherein the preparation method comprises the following steps: the plastic-wood granules are put into an extruder and are extruded and molded by a die, and the extrusion parameters are as follows: the temperature of the first zone, the second zone and the third zone is between 190 ℃ and 200 ℃, the temperature of the machine head is between 180 ℃ and 190 ℃, the rotating speed of the screw is 28-32r/min, and the cooling is carried out naturally.
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| CN202011362632.4A CN112480612A (en) | 2020-11-28 | 2020-11-28 | Preparation method of environment-friendly antibacterial plastic-wood composite board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889303A (en) * | 2022-05-09 | 2022-08-12 | 东北林业大学 | Method for obtaining fully degradable antibacterial wood-plastic composite material by compounding wood-plastic composite material and antibacterial agent |
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2020
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Patent Citations (6)
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|---|---|---|---|---|
| CN102268190A (en) * | 2011-06-19 | 2011-12-07 | 阳文皇 | Recycling method of garbage plastic |
| CN103289172A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Hardly-deformable polyethylene wood-plastic composite and preparation method |
| CN107216672A (en) * | 2017-08-01 | 2017-09-29 | 合肥广民建材有限公司 | A kind of wood plastic composite and preparation method |
| CN107365487A (en) * | 2017-08-31 | 2017-11-21 | 苏州仲勉装饰有限公司 | A kind of preparation method of high-weatherability modeling wood composite board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114889303A (en) * | 2022-05-09 | 2022-08-12 | 东北林业大学 | Method for obtaining fully degradable antibacterial wood-plastic composite material by compounding wood-plastic composite material and antibacterial agent |
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Application publication date: 20210312 |