CN106752006A - A kind of preparation method of wood-plastic composite panel - Google Patents
A kind of preparation method of wood-plastic composite panel Download PDFInfo
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- CN106752006A CN106752006A CN201611201089.3A CN201611201089A CN106752006A CN 106752006 A CN106752006 A CN 106752006A CN 201611201089 A CN201611201089 A CN 201611201089A CN 106752006 A CN106752006 A CN 106752006A
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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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A kind of preparation method of wood-plastic composite panel is provided the invention discloses the present invention, the preparation method includes:By waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics using liquid plasticses softening agent it is closed again under conditions of carry out softening 16 hours at 50 90 DEG C, then filter, obtain soft plastics mixture;Mill is carried out at 120 180 DEG C 15 40 minutes after the glass fibre of the wood powder material of the soft plastics mixture of 100 weight portions and 100 700 weight portions, the plasticizer of 10 25 weight portions, the maleic anhydride of 5 20 weight portions, the clay of 18 40 weight portions, 5 25 weight portions is mixed, vulcanization 3 15 minutes is carried out at 170 215 DEG C, molding 3 20 minutes is carried out under 16 30 MPas, wood-plastic composite panel is obtained.The method of the present invention can be recycled waste or used plastics.
Description
Technical field
The present invention relates to building board technical field, and in particular to a kind of preparation method of wood-plastic composite panel.
Background technology
Waste or used plastics are a kind of popular sayings, do not imply that useless, old and useless plastic products.Overwhelming majority modeling
Material products, particularly substantial amounts of single use, its plastic material performance in itself does not have big change after use, therefore
Reused after being reprocessed into plastic products with appropriate method after entirely possible recovery.
Chinese patent CN104530738A discloses a kind of PP/ABS wood-plastic composite panels and preparation method thereof, and the wood moulding is answered
Plywood material is prepared from by the material of following weight portion:Wood powder 60-80 parts, 20-40 parts of PP/ABS composites, lubricant 1-3
Part.Its preparation method includes:(1) PP/ABS composites are prepared;(2) PP/ABS wood-plastic composite panels are prepared:By oxidized place
Wood powder and lubricant after PP/ABS composites, the drying of reason are placed in mixing in high-speed mixer and add parallel pair in proportion
Extrusion plasticizing in screw extruder, then broken addition conical double screw extruder extrusion molding, are obtained PP/ABS wood-plastic clad plates
Material.The phase that the patent is assigned surface of plastic matrix by strong oxidizing property liquid handling and improved with polarity between plastics and timber
Capacitive, it is to avoid the use of compatilizer, reduces cost, reduces the infringement to environment.
Chinese patent CN103304915A discloses a kind of Polyvinyl chloride wood plastic composite plate, first by powder in mixed at high speed
Granulation, then extrusion molding in an extruder again are blended in machine, the powder includes the following component for constituting by weight:It is poly-
100 parts of vinyl chloride resin, plasticizer 2-4 parts, wood fibre 35-45 parts, stabilizer 3.5-4 parts, coupling agent 1.8-2.3 parts, profit
Lubrication prescription 0.7-1 parts, foaming agent 10-15 parts, 0.5-0.8 parts of other auxiliary agents.Through the above way, the polyvinyl chloride wood plastic of the patent
Composite board improves the compatibility and dispersiveness between Corvic and wood fibre, and improves polyvinyl chloride wood plastic
The tensile strength and impact strength of composite board, make it have fast light, heat-resisting, moisture resistance, corrosion-resistant, ageing-resistant and weatherability etc.
Performance.
The content of the invention
It is an object of the invention to provide a kind of preparation method of wood-plastic composite panel, the method for the present invention can will be waste and old
Plastics are recycled.
To achieve the above object, the present invention provides a kind of preparation method of wood-plastic composite panel, and the preparation method includes:Will
Waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics use liquid
Carry out softening 1-6 hour at 50-90 DEG C under conditions of body plastics softening agent is closed again, then filter, obtain soft plastics mixed
Compound;Wherein, waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrol
The weight ratio of plastics is 100:(30-150):(60-190):(30-130);By the soft plastics mixture of 100 weight portions with
The wood powder material of 100-700 weight portions, the plasticizer of 10-25 weight portions, the maleic anhydride of 5-20 weight portions, 18-40 weight portions
Carried out at 120-180 DEG C mill 15-40 minutes after clay, the glass fibre mixing of 5-25 weight portions, carried out at 170-215 DEG C
Vulcanization 3-15 minutes, carries out molding 3-20 minutes under 16-30 MPas, obtains wood-plastic composite panel.
Preferably, the waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old
The weight ratio of polystyrene plastics is 100:(50-120):(90-130):(40-120).
Preferably, the soft plastics mixture is 80 weight portions, and wood powder material is 180-600 weight portions, and plasticizer is 12-
20 weight portions, maleic anhydride is 10-15 weight portions, and clay is 20-30 weight portions, and glass fibre is 15-25 weight portions.
Preferably, the wood powder material is coupled by coupling agent, and the coupling agent is silane coupler or titanate esters idol
Connection agent.
Preferably, the plasticizer is dicyclohexyl phthalate, dibutyl phthalate or phthalic acid two
Isobutyl ester.
Preferably, the clay is kaolin, galapectite or vermiculite.
Preferably, the length of glass fibre is 1-10 centimetres.
Preferably, the temperature of the softening is 60-80 DEG C, and the time of softening is 2-4 hours.
Preferably, the temperature of the mill is 140-160 DEG C, and the time is 20-30 minutes;The temperature of the vulcanization is 180-
200 DEG C, the time of vulcanization is 5-10 minutes;The pressure of the molding is 18-25 MPas, and the time of the molding is 5-15 points
Clock.
The invention has the advantages that:
Preparing wood-plastic composite panel using the inventive method can not only carry out twice laid, and can be multiple with prepared wood moulding
The MOR of plywood material, Deflection Modulus of Elasticity, bending strength and tensile strength are high, can use for a long time.
Specific embodiment
Detailed description below is merely to illustrate the present invention, but the present invention is not therefore subject to any restriction.
The present invention provides a kind of preparation method of wood-plastic composite panel, and the preparation method includes:By waste and old high-density polyethylene
Alkene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics use liquid plasticses softening agent again
Softening 1-6 hours is carried out under conditions of closed at 50-90 DEG C, is then filtered, obtain soft plastics mixture;Wherein, it is waste and old
The weight ratio of high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics is
100:(30-150):(60-190):(30-130);Preferably, the waste and old high-density polyethylene plastics, waste polyvinyl chloride modeling
The weight ratio of material, waste polypropylene plastic and waste and old polystyrene plastics is 100:(50-120):(90-130):(40-120);
By the wood powder material of the soft plastics mixture of 100 weight portions and 100-700 weight portions, the plasticizer of 10-25 weight portions, 5-20 weights
Carried out at 120-180 DEG C after maleic anhydride, the clay of 18-40 weight portions, the glass fibre mixing of 5-25 weight portions of measuring part
Mill 15-40 minutes, vulcanization 3-15 minutes is carried out at 170-215 DEG C, molding 3-20 minutes is carried out under 16-30 MPas, obtained
Wood-plastic composite panel;Preferably, the soft plastics mixture is 80 weight portions, and wood powder material is 180-600 weight portions, plasticizer
It is 12-20 weight portions, maleic anhydride is 10-15 weight portions, and clay is 20-30 weight portions, and glass fibre is 15-25 weight portions.
Wood powder material is relatively opened due to dispersion ratio, and caking property is bad, and the wood powder material can be coupled by coupling agent,
The coupling agent can be silane coupler or titanate coupling agent.
Plasticiser, typically also referred to as plasticizer.Plasticizer is the industrial macromolecular material auxiliary agent being widely used, in plastics
This material is added in processing, can strengthen its pliability, be easily worked, can be legal for industrial use.For example, the increasing
Modeling agent is dicyclohexyl phthalate, dibutyl phthalate or diisobutyl phthalate.
Clay is well-known to those skilled in the art, for example, the clay is kaolin, galapectite or vermiculite.
In order to strengthen the toughness of wood-plastic composite panel, the length of glass fibre can be 1-10 centimetres.
Softening is in order to by the edge softening of waste or used plastics particle, the temperature of the softening can be 60-80 DEG C, softening
Time can be 2-4 hours.
It is well-known to those skilled in the art according to the present invention, mill, vulcanization and molding, for example, the temperature of the mill
It is 140-160 DEG C to spend, and the time is 20-30 minutes;The temperature of the vulcanization is 180-200 DEG C, and the time of vulcanization is 5-10 minutes;
The pressure of the molding is 18-25 MPas, and the time of the molding is 5-15 minutes.
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
By waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics
Using liquid plasticses softening agent it is closed again under conditions of carry out softening 1 hour at 50 DEG C, then filter, obtain soft plastics and mix
Compound;Wherein, waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrol
The weight ratio of plastics is 100:30:60:30;By the soft plastics mixture of 100 weight portions and 100 weight portions by titanate esters
Wood powder material, the dicyclohexyl phthalate of 10 weight portions, the maleic anhydride of 5 weight portions, 18 weight portions of coupling agent coupling
Mill is carried out at 120 DEG C 15 minutes after kaolin, 1 centimetre of glass fibre mixing of 5 weight portions, 3 points of vulcanization is carried out at 170 DEG C
Clock, carries out molding 3 minutes under 16 MPas, obtains wood-plastic composite panel 1.
Embodiment 2
By waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics
Using liquid plasticses softening agent it is closed again under conditions of carry out softening 3 hours at 70 DEG C, then filter, obtain soft plastics and mix
Compound;Wherein, waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrol
The weight ratio of plastics is 100:120:150:100;By the soft plastics mixture of 100 weight portions and 400 weight portions by silicon
The wood powder material of alkane coupling agent, the dibutyl phthalate of 20 weight portions, the maleic anhydride of 15 weight portions, the leech of 25 weight portions
Mill is carried out at 160 DEG C 20 minutes after stone, 5 centimetres of glass fibres mixing of 20 weight portions, vulcanization 9 minutes is carried out at 200 DEG C,
Molding 17 minutes is carried out under 18 MPas, wood-plastic composite panel 2 is obtained.
Embodiment 3
By waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics
Using liquid plasticses softening agent it is closed again under conditions of carry out softening 6 hours at 90 DEG C, then filter, obtain soft plastics and mix
Compound;Wherein, waste and old high-density polyethylene plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrol
The weight ratio of plastics is 100: 150: 190: 13;By the soft plastics mixture of 100 weight portions and the process of 700 weight portions
Wood powder material, the diisobutyl phthalate of 25 weight portions, the maleic anhydride of 20 weight portions, 40 weights of titanate coupling agent coupling
Mill is carried out at 180 DEG C 40 minutes after 10 centimetres of glass fibres mixing of the galapectite, 25 weight portions of measuring part, entered at 215 DEG C
Row vulcanization 15 minutes, carries out molding 20 minutes under 30 MPas, obtains wood-plastic composite panel 3.
Comparative example 1
Comparative example 1 is to be added without diisobutyl phthalate with the difference of embodiment 1, obtains wood-plastic composite panel D1.
Comparative example 2
Comparative example 2 is to be added without maleic anhydride with the difference of embodiment 1, obtains wood-plastic composite panel D2.
Comparative example 3
Comparative example 3 is to be added without clay with the difference of embodiment 1, obtains wood-plastic composite panel D3.
Testing example
By the wood-plastic composite panel prepared by embodiment and comparative example using the control wood-based plate electronic universal examination of MWW-50 types microcomputer
Test machine(Jinan east test apparatus Co., Ltd)Determining anti-bending strength includes MOR(MPa), Deflection Modulus of Elasticity
(GPa), bending strength(MPa)And tensile strength(MPa), specific data are shown in Table 1.
Table 1
Wood-plastic composite panel | 1 | 2 | 3 | D1 | D2 | D3 |
MOR(MPa) | 45.5 | 47.6 | 43.1 | 29.6 | 17.4 | 22.8 |
Deflection Modulus of Elasticity(GPa) | 1.23 | 1.31 | 1.09 | 0.87 | 0.63 | 0.92 |
Bending strength(MPa) | 31.5 | 38.9 | 33.1 | 18.9 | 17.1 | 19.2 |
Tensile strength(MPa) | 68.8 | 71.3 | 72.1 | 45.9 | 37.2 | 60.3 |
As it can be seen from table 1 preparing wood-plastic composite panel using the inventive method can not only carry out twice laid, and can be with
The MOR of prepared wood-plastic composite panel, Deflection Modulus of Elasticity, bending strength and tensile strength are high, can make for a long time
With.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (9)
1. a kind of preparation method of wood-plastic composite panel, it is characterised in that the preparation method includes:By waste and old high density polyethylene (HDPE)
Plastics, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics are close again using liquid plasticses softening agent
Softening 1-6 hours is carried out under conditions of closing at 50-90 DEG C, is then filtered, obtain soft plastics mixture;Wherein, waste and old height
The weight ratio of density polyethylene plastic, waste vinylene chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics is
100:(30-150):(60-190):(30-130);
By the soft plastics mixture of 100 weight portions and wood powder material, the plasticizer of 10-25 weight portions, the 5- of 100-700 weight portions
After maleic anhydride, the clay of 18-40 weight portions, the glass fibre mixing of 5-25 weight portions of 20 weight portions at 120-180 DEG C
Carry out mill 15-40 minutes, vulcanization 3-15 minutes carried out at 170-215 DEG C, molding 3-20 minutes is carried out under 16-30 MPas,
Obtain wood-plastic composite panel.
2. preparation method according to claim 1, it is characterised in that the waste and old high-density polyethylene plastics, waste and old poly-
The weight ratio of vinyl chloride plastic, waste polypropylene plastic and waste and old polystyrene plastics is 100:(50-120):(90-130):
(40-120).
3. preparation method according to claim 1, it is characterised in that the soft plastics mixture is 80 weight portions, wood
Powder is 180-600 weight portions, and plasticizer is 12-20 weight portions, and maleic anhydride is 10-15 weight portions, and clay is 20-30 weight
Part, glass fibre is 15-25 weight portions.
4. preparation method according to claim 1, it is characterised in that the wood powder material is coupled by coupling agent, institute
Coupling agent is stated for silane coupler or titanate coupling agent.
5. preparation method according to claim 1, it is characterised in that the plasticizer be dicyclohexyl phthalate,
Dibutyl phthalate or diisobutyl phthalate.
6. preparation method according to claim 1, it is characterised in that the clay is kaolin, galapectite or vermiculite.
7. preparation method according to claim 1, it is characterised in that the length of glass fibre is 1-10 centimetres.
8. preparation method according to claim 1, it is characterised in that the temperature of the softening is 60-80 DEG C, softening when
Between be 2-4 hours.
9. preparation method according to claim 1, it is characterised in that the temperature of the mill is 140-160 DEG C, the time is
20-30 minutes;The temperature of the vulcanization is 180-200 DEG C, and the time of vulcanization is 5-10 minutes;The pressure of the molding is 18-
25 MPas, the time of the molding is 5-15 minutes.
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CN201611201089.3A CN106752006A (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method of wood-plastic composite panel |
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CN201611201089.3A CN106752006A (en) | 2016-12-22 | 2016-12-22 | A kind of preparation method of wood-plastic composite panel |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107189281A (en) * | 2017-07-20 | 2017-09-22 | 安徽盛华管业有限公司 | It is a kind of to add wear-resisting toughening PVC tubing and the preparation method that rare-earth coupling agent activation vermiculite is modified |
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CN102140255A (en) * | 2011-04-14 | 2011-08-03 | 浙江工商大学 | Hot-press type wood plastic composite for toy and preparation method thereof |
US7994241B2 (en) * | 2008-01-15 | 2011-08-09 | Innovative Plastics and Molding RNE Tech | Wood composite alloy composition having a compatibilizer that improves the ability to process and compress cellulosic fiber |
CN102977622A (en) * | 2012-11-13 | 2013-03-20 | 无锡顺铉新材料有限公司 | Elastomer toughening wood-plastic composite material and preparation method thereof |
CN104804331A (en) * | 2015-04-24 | 2015-07-29 | 济南大学 | Recycling method of FRP waste, PVC-based wood-plastic composite and preparation method of PVC-based wood-plastic composite |
CN105713403A (en) * | 2014-12-02 | 2016-06-29 | 中国科学院宁波材料技术与工程研究所 | Wood-plastic composite and preparation method for special-shape molded member thereof |
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2016
- 2016-12-22 CN CN201611201089.3A patent/CN106752006A/en not_active Withdrawn
Patent Citations (5)
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US7994241B2 (en) * | 2008-01-15 | 2011-08-09 | Innovative Plastics and Molding RNE Tech | Wood composite alloy composition having a compatibilizer that improves the ability to process and compress cellulosic fiber |
CN102140255A (en) * | 2011-04-14 | 2011-08-03 | 浙江工商大学 | Hot-press type wood plastic composite for toy and preparation method thereof |
CN102977622A (en) * | 2012-11-13 | 2013-03-20 | 无锡顺铉新材料有限公司 | Elastomer toughening wood-plastic composite material and preparation method thereof |
CN105713403A (en) * | 2014-12-02 | 2016-06-29 | 中国科学院宁波材料技术与工程研究所 | Wood-plastic composite and preparation method for special-shape molded member thereof |
CN104804331A (en) * | 2015-04-24 | 2015-07-29 | 济南大学 | Recycling method of FRP waste, PVC-based wood-plastic composite and preparation method of PVC-based wood-plastic composite |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107189281A (en) * | 2017-07-20 | 2017-09-22 | 安徽盛华管业有限公司 | It is a kind of to add wear-resisting toughening PVC tubing and the preparation method that rare-earth coupling agent activation vermiculite is modified |
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Application publication date: 20170531 |