CN106752006A - A kind of preparation method of wood-plastic composite panel - Google Patents

A kind of preparation method of wood-plastic composite panel Download PDF

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Publication number
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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waste
weight portions
preparation
plastic
plastics
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CN201611201089.3A
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杨常成
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00Compositions of lignin-containing materials
    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/20Recycled 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

A kind of preparation method of wood-plastic composite panel
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.
CN201611201089.3A 2016-12-22 2016-12-22 A kind of preparation method of wood-plastic composite panel Withdrawn CN106752006A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
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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Publication number Priority date Publication date Assignee Title
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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
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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Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20170531