CN103286990B - Regeneration Wood plastic boards and manufacture method thereof - Google Patents
Regeneration Wood plastic boards and manufacture method thereof Download PDFInfo
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- CN103286990B CN103286990B CN201310234009.4A CN201310234009A CN103286990B CN 103286990 B CN103286990 B CN 103286990B CN 201310234009 A CN201310234009 A CN 201310234009A CN 103286990 B CN103286990 B CN 103286990B
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Abstract
A kind of regeneration Wood plastic boards, solve that existing regeneration Wood plastic boards consumption of raw materials amount is large, production cost is high, complex production process, profile unsightly, yielding, the adjacent sheet metal of adjacent sheet metal link connects the problems such as insecure.Its technical essential is: 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) extended along core (6) length direction, outer sheet material (5) at least one side surface be evenly equipped with the groove (7) extended along core through hole (4) length direction.The advantages such as it has good looking appearance, and load bearing stength is high, corrosion-resistant.
Description
Technical field
The present invention relates to that a kind of regeneration Wood plastic boards, particularly a kind of consumption of raw materials amount are low, the regeneration Wood plastic boards of good looking appearance and manufacture method thereof.
Background technology
The development of advancing by leaps and bounds along with science and technology and the reinforcement of environmental protection consciousness; wood-plastic composite panel that is 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 the open-air chair that the public places such as park, court, street use, stool and furniture.Regeneration Wood plastic boards due to the cycling processability of its sheet material finished product and dimensional stability aspect better, product appearance woodiness touch is strong, is obtained and approves widely and apply; Particularly not containing formaldehyde, not only meet the situation demands of environmental protection, and discarded rear also reusable and recycling, be conducive to the plurality of advantages such as environmental protection friendly, and be more and more the user's favorite.But it is significantly not enough also to there are some, and first recycled wood moulds panel density generally at 1100kg/m
3left and right, Unit Weight is heavier, and automotive trim uses, and is unfavorable for that heavy and economize energy fall in entirety; It two is that wood powder has stronger water imbibition, and polarity is very strong, and plastic pellet is nonpolar, has hydrophobicity, and compatibility is between the two poor, need add additive to improve interface affinity between the two; Simultaneously the cellulose of wood powder and lignin easily decompose when aerobic high temperature, variable color of being fuming, and the machining process that thus recycled wood moulds plate product is difficult to control;
As " a kind of Wood plastic boards " that notification number is CN202685471U; solve existing Wood plastic boards in use corrosion-prone technical problem; described Wood plastic boards comprises plate body, and plate body comprises central layer and is located at the connecting portion at central layer two ends, and at least core plate surface is coated with veneer protective layer.But its veneer protective layer is easy to wear, core consumption of raw materials amount is large, complex production process, profile unsightly, yielding, the adjacent sheet metal of adjacent sheet metal link connects the problems such as insecure.Therefore need badly and existing Wood plastic boards is improved.
Summary of the invention
The object of the invention is to provide a kind of regeneration Wood plastic boards, solve that existing regeneration Wood plastic boards consumption of raw materials amount is large, production cost is high, complex production process, profile unsightly, yielding, the adjacent sheet metal of adjacent sheet metal link connects the problems such as insecure, it has good looking appearance, the advantages such as load bearing stength is high, 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 core periphery, outer sheet material two ends are provided with connecting portion, in core, be provided with the through hole extended along core length direction, at least one side surface of outer sheet material be evenly equipped with the groove extended along core through hole length direction;
Described outer sheet material is prepared from by the raw material of following weight portion, wood powder 55 ~ 65 parts, the first granule PP30 ~ 35 part, calcium carbonate or talcum powder 3 ~ 4 parts, calcium stearate 0.5 ~ 1.0 part, polypropylene wax 1.0 ~ 1.5 parts, coupling agent 0.5 ~ 1.0 part, pigment 0.5 ~ 1.5 part; Core is prepared from by the raw material of following weight portion, wood powder 45 ~ 55 parts, the first granule PP10 ~ 20 part, 20 ~ 30 parts, PP-PE composite, calcium stearate 0.5 part, polypropylene wax 0.5 ~ 1.0 part, coupling agent 0.4 part, adherence resin 0.5 part; Wherein, PP-PE composite is made up than PP and the PE being 1:1 of 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 DEG C, and Vicat softening point is 140 DEG C.
This recycled wood moulds preparation of plates method, it is characterized in that, comprises the following steps:
(1) each raw material is taken by formulation weight part;
(2) by 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 DEG C, the extruder temperature of single screw extrusion machine controls at 180 ~ 200 DEG C, the core raw material mixed is placed in double screw extruder hopper, be 180 ~ 230 DEG C at feed opening to head temperature, screw speed 16 ~ 22r/min, under the condition of discharge quantity 400 ~ 600kg/h, raw material is by extruder head after melting in screw rod;
(4) after core starts to extrude 15 ~ 30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;
(5) tri-roll press machine controlled at 60 ~ 90 DEG C by its temperature again rolls, and by core and the extrusion molding simultaneously of outer sheet material, namely obtains double-deck regeneration Wood plastic boards after cooling.
The extruder temperature of described double screw extruder controls at 165 ~ 175 DEG C, and the extruder temperature of single screw extrusion machine controls at 185 ~ 195 DEG C.
Described calendering is rolled at the tri-roll press machine of 75 ~ 85 DEG C.
Described coupling agent be selected from silane coupler, titanate coupling agent, aluminate coupling agent one or more.
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 core, core does not affect the attractive in appearance of sheet material entirety without the need to toning yet, core raw material adopts leftover pieces or resin with low cost, PP, PE etc., save the raw-material input amount such as wood powder, resin, under the prerequisite making the mechanical performance of sheet material, operation, product mechanical performance constant, material consumption have dropped 30%, thus for reduce production cost, improve Business Economic Benefit provide reliable technical support.The through hole extended along core length direction is provided with in core, product is facilitated to lower the temperature rapidly in process of production, while guarantee product strength, alleviate product weight further, improve sheet material toughness, still remain the environmentally friendly advantage of regeneration Wood plastic boards, have can recycle, reproducible feature, weight is lighter.Sheet material two ends are provided with connecting portion, and are connected by two boards material by connector, quick and easy for installation.Outer sheet material is 1:3 with the area of section ratio of core, while the good crushing resistance of maintenance and anticorrosion effect, reduces production cost.Polyvinyl chloride, have good anti-flammability and smoke-suppressing, sheet material is the same with log, has can follow closely, can bore, can dig, the performance such as can to glue, and smooth surface is fine and smooth, and water-fast, corrosion-resistant, fire prevention, mildew-resistant, do not damaged by worms, pollution-free.Product uses similar wood appearance, and higher than plastic hardness, the life-span is long, can thermoplastic shaping, the high and economize energy of intensity.After adding adherence resin, between outer sheet material and core, glue connects better effects if, 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 reduce production cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be 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 the structural representation of Fig. 2 along A-A line.
In figure, sequence number illustrates: 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.
Detailed description of the invention
Embodiment 1
Content of the present invention is elaborated 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 adjacent plate body is connected by plate connecting piece.Core is wrapped in outer sheet material, be not finding of naked eye, therefore also can not affect the overall appearance of plate without the need to toning, the raw material of core 6 can select the raw material that the cost such as the waste product of product in various production process or resin, PP, PE, wood powder is low, alleviate product weight, reduce production cost.It is identical that outer sheet material raw material and existing individual layer regenerate Wood plastic boards, as adopted PVC wood plastic base material.In core, be provided with the through hole 4 extended along core 6 length direction, facilitate product to lower the temperature rapidly in process of production, while guarantee product strength, alleviate product weight further, reduce production cost.Outer sheet material upper surface 3 is evenly equipped with the groove 7 extended along core through hole length direction, also can alleviates product weight, reduce production cost.Outer sheet material 5 Surface coating has veneer protective layer (not shown); can the only coated veneer protective layer of sheet material upper surface 3 outside; also can by whole for outer plate surface coated veneer protective layer; veneer protective layer is ASA layer; i.e. acrylicstyrene-propylene Qing layer; prevent outer sheet material 5 surface abrasion, antistatic is convenient to cleaning, and what extend sheet material uses the life-span.Outer sheet material upper surface 3 processes various decorative pattern by hot transfer printing, and without the need to paint, use safety and environmental protection more, production cost is lower.The area ratio of the outer sheet material of the horizontal section of plate body and core is 1:3, while the good crushing resistance of maintenance and anticorrosion effect, reduces production cost.
MFR in the present invention refers to " melt flow rate (MFR) ", and it is the method for expressing of material flowability energy.MFR numerical value is less, illustrates that mobility is poorer.
Lubricant of the present invention be selected from stearic acid, stearate, Solsperse 2000 compound, stearic amide class, fatty acid metal soap class, Tissuemat E, paraffin, oxidic polyethylene one or more.
Filler is selected from one or more of calcium carbonate, talcum powder, calcinated argil or barium sulfate.
Core is selected from the one 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 cost-saving greatly in original performance basis, and can be fully utilized for the waste product produced in production process.
Its manufacture method is as follows:
This recycled wood moulds preparation of plates method, it is characterized in that, comprises the following steps:
(1) each raw material is taken by formulation weight part;
(2) by 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 DEG C, the extruder temperature of single screw extrusion machine controls at 180 ~ 200 DEG C, the core raw material mixed is placed in double screw extruder hopper, be 180 ~ 230 DEG C at feed opening to head temperature, screw speed 16 ~ 22r/min, under the condition of discharge quantity 400 ~ 600kg/h, raw material is by extruder head after melting in screw rod;
(4) after core starts to extrude 15 ~ 30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;
(5) tri-roll press machine controlled at 60 ~ 90 DEG C by its temperature again rolls, and by core and the extrusion molding simultaneously of outer sheet material, namely obtains double-deck regeneration Wood plastic boards after cooling.
Also can make the sheet material of multiple color, decorative pattern, thickness according to actual needs.
Outer sheet material is prepared from by following raw material, wood powder 55kg, 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, and the MFR of the first granule PP is 1 ~ 5g/10min;
Core is prepared from by following raw material, 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, PP-PE composite is made up than PP and the PE being 1:1 of 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 DEG C, and Vicat softening point is 140 DEG C.
Coupling agent is selected from the one of silane coupler, titanate coupling agent, aluminate coupling agent.
Adherence resin (also known as plastics reinforcing agent), refers to and adds in resin and closely can be combined with resin, and make the material that the mechanical mechanics property of goods significantly improves.Adherence resin is the important materials manufacturing reinforced plastics, and the reinforcing agent overwhelming majority of application is now the inert substance of high strength fibre shape.In production practices, usually select two kinds of reinforcing agents according to actual needs 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 has large draw ratio and enough intensity and toughness, possesses good effect to the enhancing of plastics; Very strong adherence is had with other materials (polyamide, EVOH, polyester, metal, polyolefin); Density is lower, and has superior machining characteristics, 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, resistance to creep and improve heat resistance (as improved heat distortion temperature, making degradation under linear expansion coefficient); Improve impact strength and case hardness increase; Nontoxic, odorless, pollution-free, cheap.
Embodiment 2
The extruder temperature of double screw extruder controls at 165 ~ 175 DEG C, and the extruder temperature of single screw extrusion machine controls, at 185 ~ 195 DEG C, to roll at the tri-roll press machine of 75 ~ 85 DEG C.
Outer sheet material is prepared from by following raw material, wood powder 65kg, 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, and the MFR of the first granule PP is 1 ~ 5g/10min;
Core is prepared from by following raw material, 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, PP-PE composite is made up than PP and the PE being 1:1 of 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 DEG C, and Vicat softening point is 140 DEG C.
Embodiment 3
The extruder temperature of double screw extruder controls at 165 ~ 175 DEG C, and the extruder temperature of single screw extrusion machine controls, at 185 ~ 195 DEG C, to roll at the tri-roll press machine of 75 ~ 85 DEG C.
Outer sheet material is prepared from by following raw material, wood powder 60kg, 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, and the MFR of the first granule PP is 1 ~ 5g/10min;
Core is prepared from by following raw material, 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, PP-PE composite is made up than PP and the PE being 1:1 of mass fraction; The MFR of the second granule PP is the outer sheet material of 15 ~ 30g/10min is 1:3 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 DEG C, and Vicat softening point is 140 DEG C.
The present invention is not limited to above-described embodiment, any the present invention disclose technical scope in equivalent concepts or change, be all classified as protection scope of the present invention.
Claims (6)
1. a 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) extended along core (6) length direction, outer sheet material (5) at least one side surface be evenly equipped with the groove (7) extended along core through hole (4) length direction;
Described outer sheet material is prepared from by the raw material of following weight portion, wood powder 55 ~ 65 parts, the first granule PP30 ~ 35 part, calcium carbonate or talcum powder 3 ~ 4 parts, calcium stearate 0.5 ~ 1.0 part, polypropylene wax 1.0 ~ 1.5 parts, coupling agent 0.5 ~ 1.0 part, pigment 0.5 ~ 1.5 part; Core is prepared from by the raw material of following weight portion, wood powder 45 ~ 55 parts, the second granule PP10 ~ 20 part, 20 ~ 30 parts, PP-PE composite, calcium stearate 0.5 part, polypropylene wax 0.5 ~ 1.0 part, coupling agent 0.4 part, adherence resin 0.5 part; Wherein, PP-PE composite is made up than PP and the PE being 1:1 of 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 DEG C, and Vicat softening point is 140 DEG C.
2. regeneration Wood plastic boards according to claim 1, is characterized in that: described coupling agent is selected from the one of silane coupler, titanate coupling agent, aluminate coupling agent.
3. regeneration Wood plastic boards according to claim 1, is characterized in that: described outer sheet material is 1:3 with the cross-sectional area ratio of core.
4. recycled wood described in claim 1 moulds a preparation of plates method, it is characterized in that, comprises the following steps:
(1) each raw material is taken by formulation weight part;
(2) by 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 DEG C, the extruder temperature of single screw extrusion machine controls at 180 ~ 200 DEG C, the core raw material mixed is placed in double screw extruder hopper, be 180 ~ 230 DEG C at feed opening to head temperature, screw speed 16 ~ 22r/min, under the condition of discharge quantity 400 ~ 600kg/h, raw material is by extruder head after melting in screw rod;
(4) after core starts to extrude 15 ~ 30s, outer sheet material raw material is added in the spout place of single Conic thread rod extruder;
(5) tri-roll press machine controlled at 60 ~ 90 DEG C by its temperature again rolls, and by core and the extrusion molding simultaneously of outer sheet material, namely obtains double-deck regeneration Wood plastic boards after cooling.
5. recycled wood according to claim 4 moulds preparation of plates method, it is characterized in that: the extruder temperature of described double screw extruder controls at 165 ~ 175 DEG C, and the extruder temperature of single screw extrusion machine controls at 185 ~ 195 DEG C.
6. recycled wood according to claim 4 moulds preparation of plates method, it is characterized in that: described calendering is rolled at the tri-roll press machine of 75 ~ 85 DEG C.
Priority Applications (1)
| 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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| 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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| Publication Number | Publication Date |
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| CN103286990A CN103286990A (en) | 2013-09-11 |
| CN103286990B true 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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Families Citing this family (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 |
Family Cites Families (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 |
| CN101767362B (en) * | 2010-03-05 | 2011-09-07 | 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 |
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