CN103286990A - Regenerated wood-plastic plate and manufacturing method thereof - Google Patents
Regenerated wood-plastic plate and manufacturing method thereof Download PDFInfo
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- CN103286990A CN103286990A CN2013102340094A CN201310234009A CN103286990A CN 103286990 A CN103286990 A CN 103286990A CN 2013102340094 A CN2013102340094 A CN 2013102340094A CN 201310234009 A CN201310234009 A CN 201310234009A CN 103286990 A CN103286990 A CN 103286990A
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Abstract
The invention discloses a regenerated wood-plastic plate, for solving the problems of a conventional regenerated wood-plastic plate that raw material consumption is large, the production cost is high, the production process is complex, the appearance is not attractive, the connecting ends of adjacent plates are easy to deform, the adjacent plates are not solidly connected, and the like. The regenerated wood-plastic plate is technically characterized by comprising an outer plate (5) and a core plate (6), wherein the outer plate (5) is arranged at the periphery of the core plate (6); connecting parts (2) are arranged at two ends of the outer plate (5); through holes (4) which are extended along the length direction of the core plate (6) are formed in the core plate (6); channels which are extended along the length directions of the through holes (4) of the core plate are uniformly distributed on at least one side surface of the outer plate (5). The regenerated wood-plastic plate has the advantages of attractiveness in appearance, high bearing strength, corrosion resistance and the like.
Description
Technical field
The present invention relates to a kind of regeneration Wood plastic boards, particularly regeneration Wood plastic boards and the manufacture method thereof of low, the good looking appearance of a kind of consumption of raw materials amount.
Background technology
Be accompanied by development that science and technology advances by leaps and bounds and the reinforcement of environmental protection consciousness; wood-plastic composite panel renewable, that can be recycled more and more receives the concern of society; its application has related to car interior trim base material; construction and decoration, ornament materials, the numerous areas such as open-air chair, stool and furniture that public places such as park, court, street use.The regeneration Wood plastic boards is because cycling processability and the dimensional stability aspect of its sheet material finished product are better, and the product appearance woodiness touch is strong, and quilt is approved widely and used; Particularly do not contain formaldehyde, not only meet the situation requirement of environmental protection, and discarded also reusable and recycling of back, be conducive to plurality of advantages such as the friendly type of environmental protection, and more and more be the user's favorite.But also exist some significantly not enough, first recycled wood is moulded panel density generally at 1100kg/m
3About, Unit Weight is heavier, uses at automotive trim, is unfavorable for that integral body falls heavy and energy savings; It two is that wood powder has stronger water imbibition, and polarity is very strong, and plastic pellet is nonpolar, has hydrophobicity, and compatibility between the two is relatively poor, needs to add additive and improves between the two interface affinity; Simultaneously cellulose and the lignin of wood powder easily decompose when aerobic high temperature, the variable color of being fuming, thereby the machining process that recycled wood is moulded plate product is difficult to control;
Be CN202685471U " a kind of Wood plastic boards " as notification number; solved existing Wood plastic boards corrosion-prone technical problem in use; described Wood plastic boards comprises plate body, and plate body comprises central layer and be located at the connecting portion at central layer two ends that the central layer surface is coated with the veneer protective layer at least.But problems such as its veneer protective layer is easy to wear, core consumption of raw materials amount big, complex production process, profile is not attractive in appearance, the adjacent sheet metal link is yielding, the adjacent sheet metal connection is insecure.Therefore need badly existing Wood plastic boards is improved.
Summary of the invention
The objective of the invention is for a kind of regeneration Wood plastic boards is provided, problems such as existing regeneration Wood plastic boards consumption of raw materials amount is big, production cost is high, complex production process, profile is not attractive in appearance, the adjacent sheet metal link is yielding, the adjacent sheet metal connection is insecure have been solved, it has good looking appearance, the load bearing stength height, advantage such as corrosion-resistant.
The technical solution adopted in the present invention is: this regeneration Wood plastic boards, its technical essential is: comprise outer sheet material and core, outer sheet material is arranged on the core periphery, outer sheet material two ends are provided with connecting portion, in core, be provided with the through hole that extends along the core length direction, be evenly equipped with the groove that extends along core through hole length direction at least one side surface of outer sheet material;
Described outer sheet material is formed by the feedstock production of following weight portion, 55～65 parts of wood powders, first granule PP30～35 part, 3～4 parts of calcium carbonate or talcum powder, 0.5～1.0 part of calcium stearate, 1.0～1.5 parts of polypropylene waxes, 0.5～1.0 part of coupling agent, 0.5～1.5 part of pigment; Core is formed by the feedstock production of following weight portion, 45～55 parts of wood powders, first granule PP10～20 part, 20～30 parts in PP-PE composite, 0.5 part of calcium stearate, 0.5～1.0 part of polypropylene wax, 0.4 part of coupling agent, 0.5 part of adherence resin; Wherein, the PP-PE composite is made than the PP and the PE that are 1:1 by mass fraction; The MFR of the first granule PP is 1～5g/10min, and the MFR of the second granule PP is 15～30g/10min; Outer sheet material is 1:2～4 with the cross-sectional area ratio of core; The MFR of adherence resin is 45g/min, and density is 0.90g/cm
3, fusing point is 150 ℃, Vicat softening point is 140 ℃.
This recycled wood is moulded the preparation of plates method, it is characterized in that, may further comprise the steps:
(1) takes by weighing each raw material by formulation weight part;
(2) with core raw material and the granulation respectively of outer sheet material raw material;
(3) extruder temperature of double screw extruder is controlled at 160～180 ℃, the extruder temperature control of single screw extrusion machine is at 180～200 ℃, the core raw material that mixes is placed in the double screw extruder hopper, be 180～230 ℃ at feed opening to head temperature, screw speed 16～22r/min, under the condition of blanking amount 400～600kg/h raw material by fusion in the screw rod after extruder head;
(4) after core begins to extrude 15～30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;
(5) rolled by the tri-roll press machine of its temperature control at 60～90 ℃ again, with core and the extrusion molding simultaneously of outer sheet material, namely get double-deck regeneration Wood plastic boards after the cooling.
The extruder temperature control of described double screw extruder is at 165～175 ℃, and the extruder temperature of single screw extrusion machine is controlled at 185～195 ℃.
Described calendering is to roll at 75～85 ℃ tri-roll press machine.
Described coupling agent is selected from one or more of silane coupler, titanate coupling agent, aluminate coupling agent.
Described outer sheet material is 1:3 with the cross-sectional area ratio of core.
The advantage that the present invention has and positive technique effect are: outer sheet material is wrapped in outside the core, core need not to mix colours does not influence the attractive in appearance of sheet material integral body yet, the core raw material adopts leftover pieces or resin, PP, PE etc. with low cost, save raw-material input amounts such as wood powder, resin, make sheet material mechanical performance, use under the constant prerequisite of technology, product mechanical performance, material consumption has descended 30%, thereby provides reliable technical support for reducing production costs, improve the business economic benefit.In core, be provided with the through hole that extends along the core length direction, make things convenient for product cooling rapidly in process of production, when guaranteeing product strength, further alleviate product weight, improve sheet material toughness, still kept the regeneration Wood plastic boards environmentally friendly advantage, have can recycle, reproducible characteristics, weight are lighter.The sheet material two ends are provided with connecting portion, and by connector the two boards material are linked to each other, and are quick and easy for installation.Outer sheet material is 1:3 with the area of section ratio of core, when keeping good pressure resistance and anticorrosion effect, reduces production costs.Polyvinyl chloride has excellent flame-retardant performance and smoke-suppressing, and sheet material is the same with log, has performances such as can following closely, can bore, can dig, can glue, the smooth surface exquisiteness, and water-fast, corrosion-resistant, fire prevention, mildew-resistant, do not damaged by worms, pollution-free.Product uses similar wood appearance, and than plastics hardness height, the life-span is long, but thermoplastic shaping, intensity height and energy savings.After adding the adherence resin, glue connects better effects if between outer sheet material and the core, has stronger crushing resistance and toughness than conventional P E wood-plastic products, not frangibility durable in use.After adding PP-PE composite composition, not only increase compression strength and the toughness of product, and significantly reduced production cost.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is perspective view of the present invention;
Fig. 2 is the side-looking structural representation of Fig. 1;
Fig. 3 is that Fig. 2 is along the structural representation of A-A line.
Sequence number explanation among the figure: 1 outer sheet material lower surface, 2 connecting portions, 3 outer sheet material upper surfaces, 4 through holes, 5 outer sheet materials, 6 cores, 7 grooves.
The specific embodiment
Elaborate content of the present invention according to Fig. 1～3.This regeneration Wood plastic boards comprises plate body.This plate body comprises core 6, be arranged on the outer sheet material 5 of core periphery and be located at the connecting portion 2 at outer sheet material 5 two ends.Connecting portion 2 is arranged to groove, and neighboring board body connects by the sheet material connector.Core is wrapped in the outer sheet material, therefore be not finding of naked eye, need not to mix colours also to influence the overall appearance of plate, and the raw material of core 6 can be selected the low raw material of cost such as the waste product of product in the various production processes or resin, PP, PE, wood powder for use, alleviate product weight, reduced production cost.Outer sheet material raw material is identical with existing individual layer regeneration Wood plastic boards, as adopting PVC wood molding base.In core, be provided with the through hole 4 that extends along core 6 length directions, make things convenient for product cooling rapidly in process of production, when guaranteeing product strength, further alleviate product weight, reduce production costs.Be evenly equipped with the groove 7 that extends along core through hole length direction on the outer sheet material upper surface 3, also can alleviate product weight, reduce production costs.Outer sheet material 5 surfaces are coated with veneer protective layer (not shown); can be only outside sheet material upper surface 3 coat the veneer protective layers; also outer sheet material surface all can be coated the veneer protective layer; the veneer protective layer is the ASA layer; it is acrylic acid-styrene-propene Qing layer; prevent outer sheet material 5 surface abrasions, antistatic is convenient to cleaning, prolongs the life-span of using of sheet material.Outer sheet material upper surface 3 can be processed various decorative patterns by hot transfer printing, need not paint, uses safety and environmental protection more, and production cost is lower.The outer sheet material of the horizontal section of plate body is 1:3 with the area ratio of core, when keeping good pressure resistance and anticorrosion effect, reduces production costs.
MFR among the present invention refers to " melt flow rate (MFR) ", and it is the method for expressing of material flowability energy.MFR numerical value is more little, illustrates that flowability is more poor.
Lubricant of the present invention is selected from one or more of stearic acid, stearate, Solsperse 2000 compound, stearic amide class, fatty acid metal soap class, Tissuemat E, paraffin, oxidic polyethylene.
Filler is selected from one or more of calcium carbonate, talcum powder, calcinated argil or barium sulfate.
Core is selected from a kind of of resin wood molding base, PP wood molding base, PE wood molding base, wood powder base material.
Other wooden plasticity such as gained double sheets bearing capacity and water-tight corrosion-proof can go up and individual layer sheet material does not all have difference, and wood-plastic products can be saved cost greatly on original performance basis, and can be fully utilized for the waste product that produces in the production process.
Its manufacture method is as follows:
This recycled wood is moulded the preparation of plates method, it is characterized in that, may further comprise the steps:
(1) takes by weighing each raw material by formulation weight part;
(2) with core raw material and the granulation respectively of outer sheet material raw material;
(3) extruder temperature of double screw extruder is controlled at 160～180 ℃, the extruder temperature control of single screw extrusion machine is at 180～200 ℃, the core raw material that mixes is placed in the double screw extruder hopper, be 180～230 ℃ at feed opening to head temperature, screw speed 16～22r/min, under the condition of blanking amount 400～600kg/h raw material by fusion in the screw rod after extruder head;
(4) after core begins to extrude 15～30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;
(5) rolled by the tri-roll press machine of its temperature control at 60～90 ℃ again, with core and the extrusion molding simultaneously of outer sheet material, namely get double-deck regeneration Wood plastic boards after the cooling.
Also can make the sheet material of multiple color, decorative pattern, thickness according to actual needs.
Outer sheet material is formed by following feedstock production, wood powder 55kg, and the first granule PP30kg, calcium carbonate or talcum powder 3kg, calcium stearate 0.5kg, polypropylene wax 1.0kg, coupling agent 0.5kg, pigment 0.5kg, the MFR of the first granule PP are 1～5g/10min;
Core is formed by following feedstock production, wood powder 45kg, the first granule PP10kg, PP-PE composite 20kg, calcium stearate 0.5kg, polypropylene wax 0.5kg, coupling agent 0.4kg, adherence resin 0.5kg; Wherein, the PP-PE composite is made than the PP and the PE that are 1:1 by mass fraction; The MFR of the second granule PP is 15～30g/10min; Outer sheet material is 1:2 with the cross-sectional area ratio of core; The MFR of adherence resin is 45g/min, and density is 0.90g/cm
3, fusing point is 150 ℃, Vicat softening point is 140 ℃.
Coupling agent is selected from a kind of of silane coupler, titanate coupling agent, aluminate coupling agent.
Adherence resin (claiming the plastics reinforcing agent again) refers to add in the resin and can closely be combined with resin, and the material that the mechanical mechanics property of goods is significantly improved.The adherence resin is the important materials of making reinforced plastics, and the reinforcing agent overwhelming majority who uses is the inert substance of high strength fibre shape now.In production practices, usually select two kinds of reinforcing agents according to actual needs for use or add filler to strengthen same resin matrix, learn from other's strong points to offset one's weaknesses, make composite property more perfect.The adherence resin that the present invention selects for use has big draw ratio and enough intensity and toughnesses, and the enhancing of plastics is possessed good effect; With other materials (polyamide, EVOH, polyester, metal, polyolefin) very strong adherence is arranged; Density is lower, and has superior machining characteristic, not only can increase hot strength and the spring rate of goods, and increases the bending strength of material; Possesses good dimensional stability, wear-resisting, anti-creep and improve hear resistance (as improving heat distortion temperature, making degradation under the linear expansion coefficient); Improving impact strength and case hardness increases; Nontoxic, odorless, pollution-free, cheap.
The extruder temperature control of double screw extruder is at 165～175 ℃, and the extruder temperature of single screw extrusion machine is controlled at 185～195 ℃, rolls at 75～85 ℃ tri-roll press machines.
Outer sheet material is formed by following feedstock production, wood powder 65kg, and the first granule PP35kg, calcium carbonate or talcum powder 4kg, calcium stearate 1.0kg, polypropylene wax 1.5kg, coupling agent 1.0kg, pigment 1.5kg, the MFR of the first granule PP are 1～5g/10min;
Core is formed by following feedstock production, wood powder 55kg, the first granule PP20kg, PP-PE composite 30kg, calcium stearate 0.5kg, polypropylene wax 1.0kg, coupling agent 0.4kg, adherence resin 0.5kg; Wherein, the PP-PE composite is made than the PP and the PE that are 1:1 by mass fraction; The MFR of the second granule PP is 15～30g/10min; Outer sheet material is 1:4 with the cross-sectional area ratio of core; The MFR of adherence resin is 45g/min, and density is 0.90g/cm
3, fusing point is 150 ℃, Vicat softening point is 140 ℃.
The extruder temperature control of double screw extruder is at 165～175 ℃, and the extruder temperature of single screw extrusion machine is controlled at 185～195 ℃, rolls at 75～85 ℃ tri-roll press machines.
Outer sheet material is formed by following feedstock production, wood powder 60kg, and the first granule PP32kg, calcium carbonate or talcum powder 3.5kg, calcium stearate 0.8kg, polypropylene wax 1.2kg, coupling agent 0.8kg, pigment 1.1kg, the MFR of the first granule PP are 1～5g/10min;
Core is formed by following feedstock production, wood powder 50kg, the first granule PP15kg, PP-PE composite 25kg, calcium stearate 0.5kg, polypropylene wax 0.7kg, coupling agent 0.4kg, adherence resin 0.5kg; Wherein, the PP-PE composite is made than the PP and the PE that are 1:1 by mass fraction; The MFR of the second granule PP is the outer sheet material of 15～30g/10min with the cross-sectional area of core than being 1:3; The MFR of adherence resin is 45g/min, and density is 0.90g/cm
3, fusing point is 150 ℃, Vicat softening point is 140 ℃.
The present invention is not limited to above-described embodiment, and protection scope of the present invention is all classified in any equivalent concepts or change in the technical scope that the present invention discloses as.
Claims (6)
- One kind regeneration Wood plastic boards, it is characterized in that: comprise outer sheet material (5) and core (6), outer sheet material (5) is arranged on core (6) periphery, outer sheet material (5) two ends are provided with connecting portion (2), in core (6), be provided with the through hole (4) that extends along core (6) length direction, be evenly equipped with the groove (7) that extends along core through hole (4) length direction at least one side surface of outer sheet material (5);Described outer sheet material is formed by the feedstock production of following weight portion, 55～65 parts of wood powders, first granule PP30～35 part, 3～4 parts of calcium carbonate or talcum powder, 0.5～1.0 part of calcium stearate, 1.0～1.5 parts of polypropylene waxes, 0.5～1.0 part of coupling agent, 0.5～1.5 part of pigment; Core is formed by the feedstock production of following weight portion, 45～55 parts of wood powders, first granule PP10～20 part, 20～30 parts in PP-PE composite, 0.5 part of calcium stearate, 0.5～1.0 part of polypropylene wax, 0.4 part of coupling agent, 0.5 part of adherence resin; Wherein, the PP-PE composite is made than the PP and the PE that are 1:1 by mass fraction; The MFR of the first granule PP is 1～5g/10min, and the MFR of the second granule PP is 15～30g/10min; Outer sheet material is 1:2～4 with the cross-sectional area ratio of core; The MFR of adherence resin is 45g/min, and density is 0.90g/cm 3, fusing point is 150 ℃, Vicat softening point is 140 ℃.
- 2. regeneration Wood plastic boards according to claim 1 is characterized in that: described coupling agent is selected from one or more of silane coupler, titanate coupling agent, aluminate coupling agent.
- 3. regeneration Wood plastic boards according to claim 1 is characterized in that: the cross-sectional area of described outer sheet material and core is than being 1:3.
- 4. the described recycled wood of claim 1 is moulded the preparation of plates method, it is characterized in that, may further comprise the steps:(1) takes by weighing each raw material by formulation weight part;(2) with core raw material and the granulation respectively of outer sheet material raw material;(3) extruder temperature of double screw extruder is controlled at 160～180 ℃, the extruder temperature control of single screw extrusion machine is at 180～200 ℃, the core raw material that mixes is placed in the double screw extruder hopper, be 180～230 ℃ at feed opening to head temperature, screw speed 16～22r/min, under the condition of blanking amount 400～600kg/h raw material by fusion in the screw rod after extruder head;(4) after core begins to extrude 15～30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;(5) rolled by the tri-roll press machine of its temperature control at 60～90 ℃ again, with core and the extrusion molding simultaneously of outer sheet material, namely get double-deck regeneration Wood plastic boards after the cooling.
- 5. recycled wood according to claim 4 is moulded the preparation of plates method, it is characterized in that: the extruder temperature control of described double screw extruder is at 165～175 ℃, and the extruder temperature of single screw extrusion machine is controlled at 185～195 ℃.
- 6. recycled wood according to claim 4 is moulded the preparation of plates method, it is characterized in that: described calendering is to roll at 75～85 ℃ tri-roll press machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310234009.4A CN103286990B (en) | 2013-06-09 | 2013-06-09 | Regeneration Wood plastic boards and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310234009.4A CN103286990B (en) | 2013-06-09 | 2013-06-09 | Regeneration Wood plastic boards and manufacture method thereof |
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| CN103286990A true CN103286990A (en) | 2013-09-11 |
| CN103286990B CN103286990B (en) | 2015-11-25 |
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| CN201310234009.4A Expired - Fee Related CN103286990B (en) | 2013-06-09 | 2013-06-09 | Regeneration Wood plastic boards and manufacture method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269879A (en) * | 2014-06-26 | 2016-01-27 | 安徽旺岳木塑板材有限公司 | Wear-resistant shock-absorbing wood-plastic sheet material |
| CN108458242A (en) * | 2018-02-12 | 2018-08-28 | 广东金发科技有限公司 | A kind of fiber is interior to enhance wood plastic product |
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| CN101318383A (en) * | 2008-07-01 | 2008-12-10 | 四川大学 | Manufacturing method of light wood-plastic composite panel |
| CN101767362A (en) * | 2010-03-05 | 2010-07-07 | 华南师范大学 | Long-acting mould-proof wood plastic composite material and preparation method thereof |
| CN102875874A (en) * | 2012-09-20 | 2013-01-16 | 山东只楚民营科技园股份有限公司汽车内饰件分公司 | Low-density wood plastic board and preparation method thereof |
| CN102979268A (en) * | 2012-11-29 | 2013-03-20 | 张家港联冠环保科技有限公司 | Plastic-wood co-extruded plate |
-
2013
- 2013-06-09 CN CN201310234009.4A patent/CN103286990B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101318383A (en) * | 2008-07-01 | 2008-12-10 | 四川大学 | Manufacturing method of light wood-plastic composite panel |
| CN101767362A (en) * | 2010-03-05 | 2010-07-07 | 华南师范大学 | Long-acting mould-proof wood plastic composite material and preparation method thereof |
| CN102875874A (en) * | 2012-09-20 | 2013-01-16 | 山东只楚民营科技园股份有限公司汽车内饰件分公司 | Low-density wood plastic board and preparation method thereof |
| CN102979268A (en) * | 2012-11-29 | 2013-03-20 | 张家港联冠环保科技有限公司 | Plastic-wood co-extruded plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269879A (en) * | 2014-06-26 | 2016-01-27 | 安徽旺岳木塑板材有限公司 | Wear-resistant shock-absorbing wood-plastic sheet material |
| CN108458242A (en) * | 2018-02-12 | 2018-08-28 | 广东金发科技有限公司 | A kind of fiber is interior to enhance wood plastic product |
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| CN103286990B (en) | 2015-11-25 |
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