CN103381616A - Wood-plastic composite board and preparation technology and equipment thereof - Google Patents
Wood-plastic composite board and preparation technology and equipment thereof Download PDFInfo
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- CN103381616A CN103381616A CN2013102921800A CN201310292180A CN103381616A CN 103381616 A CN103381616 A CN 103381616A CN 2013102921800 A CN2013102921800 A CN 2013102921800A CN 201310292180 A CN201310292180 A CN 201310292180A CN 103381616 A CN103381616 A CN 103381616A
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Abstract
The invention discloses a wood-plastic composite board and a preparation technology and equipment thereof. The wood-plastic composite board is made of core layer materials and surface protective film materials, wherein the core layer materials comprise wood meal, thermoplastic materials and auxiliaries; the surface protective film materials comprise a protective film resin and modifying agents. According to the wood-plastic composite board, a conventional wood-plastic secondary laminating is not carried out to the wood-plastic board, a multi-layer co-extrusion method is adopted to form the wood-plastic board in one step, the production efficiency is high, the combination of the surface layer and the core layer is firmer, and the performance of the composite board is more excellent.
Description
Technical field
The present invention relates to building material technical field, especially relate to a kind of feature of environmental protection is good, intensity is high covering property wood-plastic clad plate, preparation technology and equipment thereof.
Background technology
Wood-plastic clad plate be a kind of be mainly basic material and thermoplastic macromolecule material and processing aid etc. by fibrous materials such as timber, the high-tech green material of making through die apparatus heating extrusion molding again after mixing, performance and feature that it has timber and plastics concurrently are the advanced composite material (ACM)s that can replace timber and plastics.Along with the development gradually of wooden molding technology, Wood plastic boards is used increasingly extensive, and green environmental protection plate as first-selected in upholstery, interior design, packing business, car and boat interior trim industry and following wood house building industry will start one and take turns new revolution in sheet material market.
Application number is 200610096689.8, applies for that title is to disclose a kind of wood-plastic clad plate in " high, strong wearable composite board of wood and plastic ", this plate comprises thick china, overlay glue and artificial central layer, on the surface of artificial central layer, scribbles respectively overlay glue, on overlay glue, the compound thick china that is pasted with; Perhaps order scribbles overlay glue and thick china again on thick china, forms the form of some layers of composite plate.This plate intensity and wearability are higher, but have following shortcoming: 1) add man-hour, need at first brush coating, and sticking panel then, complex process, efficient are low; 2) use of bonding agent has reduced the environment-friendly type of this composite plate.
Application number is 201010243976.3, the application title is to disclose a kind of Wood-plastic material formula in the application for a patent for invention of " wood-plastic composite floor ", in this formula, the weight part ratio of wood materials and thermoplastic is 5-50:50-95, preferred 10-30:70-90, wood materials be wood grain with rice husk, crust, stalk in the mixture of bi-material at least, and wood is 1-2:0.5-1:0.5-1 with the weight portion of another two kinds.The technical program provides one kind of multiple wood materials to mix and have the wood-plastic clad plate of a small amount of auxiliary agent, thereby make wood materials accounted for total amount half, but this wood is moulded plate because the wood materials consumption reduces, and can only use laminating technology to carry out when making sheet material.
Summary of the invention
The shortcoming that is to overcome prior art of the present invention, a kind of wood powder content is high and use expressing technique to process wood-plastic clad plate, preparation technology and equipment thereof are provided, its processing technology is simple, the timber intensity that processes is high, wearability good, the technical scheme that adopts is: a kind of wood-plastic clad plate, it is characterized in that: described wood-plastic clad plate comprises core material and surface protection membrane material, and described core material comprises wood powder, thermoplastic and auxiliary agent; Described surface protection membrane material comprises diaphragm resin and modifier.
Technical characterictic of the present invention also has: wood powder 51-60% in described core material, thermoplastic 35-40%, above percentage are mass percent.
Technical characterictic of the present invention also has: described modifier comprises UV resistant agent and mould inhibitor.
Technical scheme of the present invention also has: a kind of wood-plastic clad plate preparation technology is characterized in that: described technique comprises the following steps:
Core material:
1) with wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) will just mix the thing granulation, obtain the preformed particle;
3) after the process prilling is processed again with the preformed particle, obtain the sandwich layer shaped granule;
4) by boring two extruders, the sandwich layer particle is carried out fusion plastification;
The surface protection membrane material:
5) diaphragm resin and modifier are extruded blending and modifying together, the film that is protected is grains dedicated;
6) with the grains dedicated film shaped granule that is protected of extruding of diaphragm;
Compound:
7) extrude by co-extruding machine head after described sandwich layer shaped granule and diaphragm shaped granule are mixed and obtain wood and mould compound blanket;
8) wood is moulded compound blanket through after processing make described wood-plastic clad plate after processing.
Technical characterictic of the present invention also has: described rear processing is processed and is referred to the embossing treatment step, through obtaining the embossing wood-plastic clad plate after the embossing treatment step.
Technical characterictic of the present invention also has: described rear processing is processed and is comprised that milling step, described milling step refer to remove by Milling Machine the pseudo-classic wood-plastic clad plate that obtains behind the wood-plastic clad plate top layer.
Technical characterictic of the present invention also has: described equipment comprises:
Sandwich layer equipment: described sandwich layer equipment comprises realizes the well-mixed mixer of core material, obtains just mixed thing after processing through mixer; Described sandwich layer equipment also comprises the dual-screw pelletizer that described just mixed thing is carried out granulation, obtains the preformed particle after dual-screw pelletizer is processed; Described sandwich layer equipment also comprises the two extruders of cone that the preformed particle carried out extrusion molding, obtains the sandwich layer shaped granule after processing through the two extruders of cone;
The surface protection film device: described surface protection film device comprises the macromolecular material blending and modifying extruder that diaphragm resin and modifier is carried out blending and modifying, and the film that is protected after processing through this blending and modifying extruder is grains dedicated; Described surface protection film device comprises that also the film shaped granule is protected after processing with the grains dedicated diaphragm extruder of extruding processing of described diaphragm;
Equipment complex: after described sandwich layer shaped granule and diaphragm shaped granule are extruded processing through extruder, obtain wood and mould compound blanket.
Technical characterictic of the present invention also has: described equipment also comprises rear processing treatment facility.
Technical characterictic of the present invention also has: described rear processing treatment facility comprises embossing machine.
Technical characterictic of the present invention also has: described rear processing treatment facility comprises Milling Machine.
The invention has the beneficial effects as follows: 1) this wood is moulded plate and is not adopted traditional wood to mould the secondary overlay film, but adopts the co-extrusion process one-shot forming, and to be combined with sandwich layer in productivity ratio high and top layer more firm, the composite plate performance is more excellent.
2) top layer diaphragm material can be actual according to product user demand change, can develop various functional form wood plastic composites according to weather-proof, anti-outside destroy, waterproof, the actual conditions difference such as fire-retardant, can make the wood-plastic products Acceptable life extend more than 5 years.
3) can more a high proportion of use wood powder in the wood plastic composite sandwich layer of coextrusion mold formula, and lower to wood powder particle diameter, plastics feed back quality requirements, can better utilize wood powder and plastics recovery material, the energy-saving and emission-reduction environmental protection.
4) adjustment of top layer diaphragm color is more prone to, and can adjust according to user's needs, greatly enriches the wood plastic composite colour system.
5) can carry out to the diaphragm with certain surface thickness embossed surface and process, it is more true to nature, more lasting that the wood that this method obtains is moulded decorative pattern, and pattern kind is more.
Description of drawings
Accompanying drawing 1 is wood-plastic clad plate preparation technology flow chart.
The specific embodiment
The below describes the specific embodiment of the present invention.The invention discloses a kind of wood-plastic clad plate, this wood-plastic clad plate comprises core material and surface protection membrane material, and core material comprises wood powder, thermoplastic and auxiliary agent.In order to save cost, thermoplastic can be used the HDPE that reclaims, and the raw material of wood powder can be selected with the residue of rice husk, crops and four sprig materials etc.The surface protection membrane material comprises diaphragm resin and modifier.Wood powder 51-60% in core material wherein, thermoplastic 35-40%, above percentage are mass percent.Modifier comprises UV resistant agent, mould inhibitor compatilizer and lubricant etc.
The invention also discloses above-mentioned wood-plastic clad plate preparation technology, this technique comprises the following steps:
Core material:
1) with wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) will just mix the thing granulation, obtain the preformed particle;
3) after the process prilling is processed again with the preformed particle, obtain the sandwich layer shaped granule;
4) by boring two extruders, the sandwich layer particle is carried out fusion plastification;
The surface protection membrane material:
5) diaphragm resin and modifier are extruded blending and modifying together, the film that is protected is grains dedicated;
6) with the grains dedicated film shaped granule that is protected of extruding of diaphragm;
Compound:
7) extrude by co-extruding machine head after described sandwich layer shaped granule and diaphragm shaped granule are mixed and obtain wood and mould compound blanket;
8) wood is moulded compound blanket through after processing make described wood-plastic clad plate after processing.
Rear processing is processed and is referred to the embossing treatment step, through obtaining the embossing wood-plastic clad plate after the embossing treatment step.
Rear processing is processed and is comprised that milling step, described milling step refer to remove by Milling Machine the pseudo-classic wood-plastic clad plate that obtains behind the wood-plastic clad plate top layer.
The invention also discloses a kind of wood-plastic clad plate preparation technology's equipment, this equipment comprises:
1) sandwich layer equipment: described sandwich layer equipment comprises realizes the well-mixed mixer of core material, obtains just mixed thing after processing through mixer; Described sandwich layer equipment also comprises the dual-screw pelletizer that described just mixed thing is carried out granulation, obtains the preformed particle after dual-screw pelletizer is processed; Described sandwich layer equipment also comprises the two extruders of cone that the preformed particle carried out extrusion molding, obtains the sandwich layer shaped granule after processing through the two extruders of cone;
2) surface protection film device, described surface protection film device comprise the macromolecular material blending and modifying extruder that diaphragm resin and modifier is carried out blending and modifying, and the film that is protected after processing through this blending and modifying extruder is grains dedicated; Described surface protection film device comprises that also the film shaped granule is protected after processing with the grains dedicated diaphragm extruder of extruding processing of described diaphragm;
3) equipment complex: after described sandwich layer shaped granule and diaphragm shaped granule are extruded processing through extruder, obtain wood and mould compound blanket;
4) processing treatment facility after: the embossing machine of processing as carrying out embossing, perhaps for increasing friction force, carry out with surface protection film the Milling Machine that roughening is processed.
Claims (10)
1. wood-plastic clad plate, it is characterized in that: described wood-plastic clad plate comprises core material and surface protection membrane material, and described core material comprises wood powder, thermoplastic and auxiliary agent; Described surface protection membrane material comprises diaphragm resin and modifier.
2. according to wood-plastic clad plate claimed in claim 1, it is characterized in that: wood powder 51-60% in described core material, thermoplastic 35-40%, above percentage are mass percent.
3. according to wood-plastic clad plate claimed in claim 2, it is characterized in that: described modifier comprises UV resistant agent and mould inhibitor.
4. wood-plastic clad plate preparation technology, it is characterized in that: described technique comprises the following steps:
Core material:
1) with wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) will just mix the thing granulation, obtain the preformed particle;
3) after the process prilling is processed again with the preformed particle, obtain the sandwich layer shaped granule;
4) by boring two extruders, the sandwich layer particle is carried out fusion plastification;
The surface protection membrane material:
5) diaphragm resin and modifier are extruded blending and modifying together, the film that is protected is grains dedicated;
6) with the grains dedicated film shaped granule that is protected of extruding of diaphragm;
Compound:
7) extrude by co-extruding machine head after described sandwich layer shaped granule and diaphragm shaped granule are mixed and obtain wood and mould compound blanket;
8) wood is moulded compound blanket through after processing make described wood-plastic clad plate after processing.
5. according to wood-plastic clad plate preparation technology claimed in claim 4, it is characterized in that: described rear processing is processed and is referred to the embossing treatment step, through obtaining the embossing wood-plastic clad plate after the embossing treatment step.
6. according to wood-plastic clad plate preparation technology claimed in claim 4, it is characterized in that: described rear processing is processed and is comprised that milling step, described milling step refer to remove by Milling Machine the pseudo-classic wood-plastic clad plate that obtains behind the wood-plastic clad plate top layer.
7. be used for the described wood-plastic clad plate preparation technology's of claim 4 equipment, it is characterized in that: described equipment comprises:
Sandwich layer equipment: described sandwich layer equipment comprises realizes the well-mixed mixer of core material, obtains just mixed thing after processing through mixer; Described sandwich layer equipment also comprises the dual-screw pelletizer that described just mixed thing is carried out granulation, obtains the preformed particle after dual-screw pelletizer is processed; Described sandwich layer equipment also comprises the two extruders of cone that the preformed particle carried out extrusion molding, obtains the sandwich layer shaped granule after processing through the two extruders of cone;
The surface protection film device: described surface protection film device comprises the macromolecular material blending and modifying extruder that diaphragm resin and modifier is carried out blending and modifying, and the film that is protected after processing through this blending and modifying extruder is grains dedicated; Described surface protection film device comprises that also the film shaped granule is protected after processing with the grains dedicated diaphragm extruder of extruding processing of described diaphragm;
Equipment complex: after described sandwich layer shaped granule and diaphragm shaped granule are extruded processing through extruder, obtain wood and mould compound blanket.
8. according to the described wood-plastic clad plate preparation technology's of claim 7 equipment, it is characterized in that: described equipment also comprises rear processing treatment facility.
9. according to the described wood-plastic clad plate preparation technology's of claim 8 equipment, it is characterized in that: described rear processing treatment facility comprises embossing machine.
10. according to the described wood-plastic clad plate preparation technology's of claim 8 equipment, it is characterized in that: described rear processing treatment facility comprises Milling Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310292180.0A CN103381616B (en) | 2013-05-23 | 2013-07-12 | Wood-plastic composite board and preparation technology and equipment thereof |
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| CN201310194184 | 2013-05-23 | ||
| CN2013101941845 | 2013-05-23 | ||
| CN201310194184.5 | 2013-05-23 | ||
| CN201310292180.0A CN103381616B (en) | 2013-05-23 | 2013-07-12 | Wood-plastic composite board and preparation technology and equipment thereof |
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| CN103381616A true CN103381616A (en) | 2013-11-06 |
| CN103381616B CN103381616B (en) | 2015-03-11 |
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Cited By (2)
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| CN104002520A (en) * | 2014-05-04 | 2014-08-27 | 安徽森泰塑木新材料有限公司 | Plastic-wood co-extrusion composite new material and production equipment thereof |
| CN104924637A (en) * | 2014-03-21 | 2015-09-23 | 康宁精密素材株式会社 | Protective film and method of manufacturing protective film |
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Cited By (2)
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|---|---|---|---|---|
| CN104924637A (en) * | 2014-03-21 | 2015-09-23 | 康宁精密素材株式会社 | Protective film and method of manufacturing protective film |
| CN104002520A (en) * | 2014-05-04 | 2014-08-27 | 安徽森泰塑木新材料有限公司 | Plastic-wood co-extrusion composite new material and production equipment thereof |
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| CN103381616B (en) | 2015-03-11 |
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Denomination of invention: Wood plastic composite board, preparation process and equipment thereof Effective date of registration: 20211221 Granted publication date: 20150311 Pledgee: Shandong Yishui Rural Commercial Bank Co., Ltd Pledgor: SHANDONG LVSEN WOOD-PLASTIC COMPOSITE Co.,Ltd. Registration number: Y2021980015800 |