CN103381616B - 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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- CN103381616B CN103381616B CN201310292180.0A CN201310292180A CN103381616B CN 103381616 B CN103381616 B CN 103381616B CN 201310292180 A CN201310292180 A CN 201310292180A CN 103381616 B CN103381616 B CN 103381616B
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- wood
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- sandwich layer
- shaped granule
- clad plate
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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 is a kind of primarily of material and thermoplastic macromolecule material and processing aid etc. based on the fibrous materials such as timber, the high-tech green material made through die apparatus heating extrusion molding again after mixing, it has performance and the feature of timber and plastics concurrently, is the advanced composite material (ACM) that can replace timber and plastics.Along with the development gradually of wooden molding technology, Wood plastic boards application is 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, application title discloses 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 overlay glue respectively, on overlay glue, compound is pasted with thick china; Or on thick china, order scribbles overlay glue and thick china again, forms the form of some layers of composite plate.This plate intensity and wearability higher, but there is following shortcoming: 1) add man-hour, need first brush coating, then sticking panel, complex process, efficiency are low; 2) use of bonding agent reduces the environment-friendly type of this composite plate.
Application number is 201010243976.3, application title discloses 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 is the mixture of at least bi-material in wooden grain and rice husk, crust, stalk, and the weight portion of wooden grain and another two kinds is 1-2:0.5-1:0.5-1.The technical program provides the mixing of one kind of multiple wood materials and has the wood-plastic clad plate of a small amount of auxiliary agent, thus wood materials is accounted for total amount half, but this wood is moulded plate and is reduced due to wood materials consumption, laminating technology can only be used to carry out when making sheet material.
Summary of the invention
Of the present inventionly be the shortcoming overcoming prior art, there is provided a kind of wood powder content high and use wood-plastic clad plate, preparation technology and the equipment thereof that expressing technique processes, its processing technology is simple, the timber intensity processed is high, wearability good, the technical scheme adopted 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 characteristic of the present invention also has: wood powder 51-60% in described core material, thermoplastic 35-40%, above percentage is mass percent.
Technical characteristic 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) by wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) just will mix thing granulation, obtain preformed granular;
3) by preformed granular again after prilling process, obtain sandwich layer shaped granule;
4) by cone two extruder, sandwich layer particle is carried out fusion plastification;
Surface protection membrane material:
5) diaphragm resin is extruded blending and modifying together with modifier, obtain diaphragm grains dedicated;
6) grains dedicated for diaphragm extruding is obtained diaphragm shaped granule;
Compound:
7) wood plastics composite blanket is obtained by being extruded by co-extruding machine head after described sandwich layer shaped granule and the mixing of diaphragm shaped granule;
8) by wood plastics composite blanket obtained described wood-plastic clad plate after aft-loaded airfoil process.
Technical characteristic of the present invention also has: described aft-loaded airfoil process refers to embossing treatment step, obtains embossing wood-plastic clad plate after embossing treatment step.
Technical characteristic of the present invention also has: described aft-loaded airfoil process comprises milling step, the pseudo-classic wood-plastic clad plate that described milling step obtains after referring to and removing wood-plastic clad plate top layer by Milling Machine.
Technical characteristic of the present invention also has: described equipment comprises:
Sandwich layer equipment: described sandwich layer equipment comprises and realizes the well-mixed mixer of core material, obtains just mixed thing after mixer process; Described sandwich layer equipment also comprises the dual-screw pelletizer described first mixed thing being carried out granulation, after dual-screw pelletizer process, obtain preformed granular; Described sandwich layer equipment also comprises the two extruder of cone preformed granular being carried out to extrusion molding;
Surface protection film device: described surface protection film device comprises macromolecular material blending and modifying extruder diaphragm resin and modifier being carried out blending and modifying, obtains diaphragm grains dedicated after this blending and modifying extruder process; Described surface protection film device also comprises grains dedicated for the described diaphragm diaphragm extruder carrying out extruding process, obtains diaphragm shaped granule after process;
Equipment complex: by described sandwich layer shaped granule and diaphragm shaped granule after extruder carries out extruding process, obtain wood plastics composite blanket.
Technical characteristic of the present invention also has: described equipment also comprises aft-loaded airfoil treatment facility.
Technical characteristic of the present invention also has: described aft-loaded airfoil treatment facility comprises embossing machine.
Technical characteristic of the present invention also has: described aft-loaded airfoil treatment facility comprises Milling Machine.
The invention has the beneficial effects as follows: 1) this wood is moulded plate and do not adopted traditional wood to mould secondary overlay film, but adopt co-extrusion process one-shot forming, the high and top layer of productivity ratio be combined with sandwich layer more firm, composite plate performance is more excellent.
2) top layer Protective coatings can be changed according to the actual user demand of product, can develop various functional form wood plastic composite, wood-plastic products Acceptable life can be made to extend more than 5 years according to weather-proof, resistance to outside destroy, waterproof, the actual conditions difference such as fire-retardant.
3) can more a high proportion of use wood powder in the wood plastic composite core layer formulation of coextrusion mold, and lower to wood powder particle diameter, plastics feed back quality requirements, better can utilize wood powder and plastics recovery material, energy-saving and emission-reduction environmental protection.
4) adjustment of top layer diaphragm color is more prone to, and can need adjustment, greatly enrich wood plastic composite colour system according to user.
5) can carry out embossed surface process to the diaphragm with certain surface thickness, it is more true to nature, more lasting that decorative pattern moulded by the wood that this method obtains, and pattern kind is more.
Accompanying drawing explanation
Accompanying drawing 1 is wood-plastic clad plate preparation technology flow chart.
Detailed description of the invention
Below the specific embodiment of the present invention is described.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 with the HDPE reclaimed, and the raw material of wood powder can be selected with the residue of rice husk, crops and four sprig materials etc.Surface protection membrane material comprises diaphragm resin and modifier.Wherein wood powder 51-60% in core material, thermoplastic 35-40%, above percentage is 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) by wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) just will mix thing granulation, obtain preformed granular;
3) by preformed granular again after prilling process, obtain sandwich layer shaped granule;
4) by cone two extruder, sandwich layer particle is carried out fusion plastification;
Surface protection membrane material:
5) diaphragm resin is extruded blending and modifying together with modifier, obtain diaphragm grains dedicated;
6) grains dedicated for diaphragm extruding is obtained diaphragm shaped granule;
Compound:
7) wood plastics composite blanket is obtained by being extruded by co-extruding machine head after described sandwich layer shaped granule and the mixing of diaphragm shaped granule;
8) by wood plastics composite blanket obtained described wood-plastic clad plate after aft-loaded airfoil process.
Aft-loaded airfoil process refers to embossing treatment step, obtains embossing wood-plastic clad plate after embossing treatment step.
Aft-loaded airfoil process comprises milling step, the pseudo-classic wood-plastic clad plate that described milling step obtains after referring to and removing wood-plastic clad plate top layer by Milling Machine.
The invention also discloses the equipment of a kind of wood-plastic clad plate preparation technology, this equipment comprises:
1) sandwich layer equipment: described sandwich layer equipment comprises and realizes the well-mixed mixer of core material, obtains just mixed thing after mixer process; Described sandwich layer equipment also comprises the dual-screw pelletizer described first mixed thing being carried out granulation, after dual-screw pelletizer process, obtain preformed granular; Described sandwich layer equipment also comprises the two extruder of cone preformed granular being carried out to extrusion molding;
2) surface protection film device, described surface protection film device comprises macromolecular material blending and modifying extruder diaphragm resin and modifier being carried out blending and modifying, obtains diaphragm grains dedicated after this blending and modifying extruder process; Described surface protection film device also comprises grains dedicated for the described diaphragm diaphragm extruder carrying out extruding process, obtains diaphragm shaped granule after process;
3) equipment complex: by described sandwich layer shaped granule and diaphragm shaped granule after extruder carries out extruding process, obtain wood plastics composite blanket;
4) aft-loaded airfoil treatment facility: as the embossing machine of embossing process can be carried out, or in order to increasing friction force, surface protection film is carried out the Milling Machine of roughening process.
Claims (4)
1. a wood-plastic clad plate preparation technology, is characterized in that: described technique comprises the following steps:
Core material:
1) by wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) just will mix thing granulation, obtain preformed granular;
3) by preformed granular again after prilling process, obtain sandwich layer shaped granule;
4) by cone two extruder, sandwich layer shaped granule is carried out fusion plastification;
Surface protection membrane material:
5) diaphragm resin is extruded blending and modifying together with modifier, obtain diaphragm grains dedicated;
6) grains dedicated for diaphragm extruding is obtained diaphragm shaped granule;
Compound:
7) wood plastics composite blanket is obtained by being extruded by co-extruding machine head after described sandwich layer shaped granule and the mixing of diaphragm shaped granule;
8) by wood plastics composite blanket obtained described wood-plastic clad plate after aft-loaded airfoil process, described aft-loaded airfoil process refers to embossing treatment step, obtains embossing wood-plastic clad plate after embossing treatment step.
2. a wood-plastic clad plate preparation technology, is characterized in that: described technique comprises the following steps:
Core material:
1) by wood powder 51-60%, thermoplastic 35-40% and auxiliary agent powder process also obtain just mixed thing after fully mixed;
2) just will mix thing granulation, obtain preformed granular;
3) by preformed granular again after prilling process, obtain sandwich layer shaped granule;
4) by cone two extruder, sandwich layer shaped granule is carried out fusion plastification;
Surface protection membrane material:
5) diaphragm resin is extruded blending and modifying together with modifier, obtain diaphragm grains dedicated;
6) grains dedicated for diaphragm extruding is obtained diaphragm shaped granule;
Compound:
7) wood plastics composite blanket is obtained by being extruded by co-extruding machine head after described sandwich layer shaped granule and the mixing of diaphragm shaped granule;
8) by wood plastics composite blanket obtained described wood-plastic clad plate after aft-loaded airfoil process, described aft-loaded airfoil process comprises milling step, the pseudo-classic wood-plastic clad plate that described milling step obtains after referring to and removing wood-plastic clad plate top layer by Milling Machine.
3. for the equipment of wood-plastic clad plate preparation technology described in claim 1 or 2, it is characterized in that: described equipment comprises: sandwich layer equipment: described sandwich layer equipment comprises and realizes the well-mixed mixer of core material, after mixer process, obtain just mixed thing; Described sandwich layer equipment also comprises the dual-screw pelletizer described first mixed thing being carried out granulation, after dual-screw pelletizer process, obtain preformed granular; Described sandwich layer equipment also comprises the two extruder of cone preformed granular being carried out to extrusion molding;
Surface protection film device: described surface protection film device comprises macromolecular material blending and modifying extruder diaphragm resin and modifier being carried out blending and modifying, obtains diaphragm grains dedicated after this blending and modifying extruder process; Described surface protection film device also comprises grains dedicated for the described diaphragm diaphragm extruder carrying out extruding process, obtains diaphragm shaped granule after process;
Equipment complex: by described sandwich layer shaped granule and diaphragm shaped granule after extruder carries out extruding process, obtain wood plastics composite blanket.
4. according to the equipment of wood-plastic clad plate preparation technology described in claim 3, it is characterized in that: described equipment also comprises aft-loaded airfoil treatment facility.
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 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310194184 | 2013-05-23 | ||
| CN201310194184.5 | 2013-05-23 | ||
| CN2013101941845 | 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 CN103381616A (en) | 2013-11-06 |
| CN103381616B true CN103381616B (en) | 2015-03-11 |
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| KR101606003B1 (en) * | 2014-03-21 | 2016-03-25 | 코닝정밀소재 주식회사 | Protective film and method of manufacturing the same |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| AU5783599A (en) * | 1998-08-24 | 2000-03-14 | Rodney P. Ehrlich | Plastic reinforced wood flooring for trailers and method and apparatus for manufacturing same |
| FI20065497A (en) * | 2006-07-21 | 2008-01-22 | Upm Kymmene Wood Oy | Coated wooden board, procedure for its manufacture and its use |
| CN102924941A (en) * | 2011-08-08 | 2013-02-13 | 深圳市格林美高新技术股份有限公司 | High-strength wear-resistant plastic wood composite material and preparation method thereof |
| CN202753533U (en) * | 2012-04-17 | 2013-02-27 | 江苏嘉景复合材料有限公司 | Double-layer co-extrusion plastic-wood composite material |
| CN102794832A (en) * | 2012-08-31 | 2012-11-28 | 江苏旭华圣洛迪建材有限公司 | Preparation process of micro-layer co-extruded WPC |
| CN103072247A (en) * | 2013-02-04 | 2013-05-01 | 南京林业大学 | Method for modifying thermal expansion and bending property of core-surface structure wood-plastic composite material |
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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 |
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