CN103804939A - Novel ecological wood and preparation method thereof - Google Patents
Novel ecological wood and preparation method thereof Download PDFInfo
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- CN103804939A CN103804939A CN201410051274.3A CN201410051274A CN103804939A CN 103804939 A CN103804939 A CN 103804939A CN 201410051274 A CN201410051274 A CN 201410051274A CN 103804939 A CN103804939 A CN 103804939A
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Abstract
The invention discloses novel ecological wood and a preparation method thereof, belonging to the field of composites. In the invention, waste materials provide wood fiber and thermoplastic material to prepare the novel ecological wood. The ecological wood comprises the following components in parts by weight: 28-37 parts of wood powder, 20-30 parts of rice bran powder, 20-30 parts of polyethylene (PE)-containing paper product chips, 5-15 parts of calcium powder, 1-4 parts of pigment and 4-6 parts of composite additive. The novel ecological wood is prepared from the materials by controlling the operation processes of material preparation, high-speed mixing, granulation, extrusion and surface processing and controlling parameters. In the invention, the PE-containing paper product chips are added, the wood fiber and thermoplastic material are sufficiently recycled, the recovery and reuse of ecological resources are realized, and the cost is greatly reduced.
Description
Technical field
The invention belongs to field of compound material, relate to a kind of ecological wooden, relate in particular to the novel ecological wood that uses waste and scrap that wood fibre and thermoplastic materials are provided, the invention still further relates to a kind of method of preparing novel ecological wood simultaneously.
Background technology
Matrix material is the material with very big vitality that development of modern scientific technology emerges, and it is composited by various process meanses by the material of two or more different in kind.Each composition material of matrix material plays synergy in nature, obtains the incomparable superior over-all properties of single-material.Ecological wooden claims again to mould wood, and Wood plastic composite is that employing contains xylon or other plant fiber-like material is filled and a kind of matrix material of enhancing modified thermoplastics, and main component is plastics and wood powder.The material that wherein contains xylon class comprises waste wood powder, bamboo powder, sawdust, wood shavings and waste wood etc., and other plant fiber comprises agricultural crop straw, rice husk, Pericarppium arachidis hypogaeae and various hemp stalks etc.Thermoplastics adopts polyethylene (PE) conventionally, polypropylene (PP), polyvinyl chloride (PVC) and polystyrene (PS) etc.
Publication number is that to be called a kind of composite ecological wood, publication number be that to be called PVC plastic-wood material, publication number be that the Chinese invention patent that CN 103265776 A names are called a kind of ecological wooden and preparation method thereof has all mainly adopted wood powder and PVC as raw material to CN 101864130 B names to CN 101531791A name.The melt temperature of PVC and decomposition temperature are comparatively approaching, when mixing have again aggravated internal friction after adding additive in ecological wooden preparation process, produce a large amount of in heat, therefore, the more difficult control of processing temperature.And PVC also will add softening agent and just can overcome fragility itself, and liquid softening agent is very easily absorbed by wood fibre, when PVC uses simultaneously, is subject to the effect of light very easily to degrade aging.The processing temperature of PP and PVC is high in addition, if long processing time, wood powder very easily burns.And all comparative superiorities of performance of the ageing-resistant degraded of PE and processing aspect.But adopt the finished product PE cost of interpolation buying higher, and the production process of the PE consumption energy easily cause environment dirt.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of novel ecological wood and preparation method thereof.The present invention adopts the paper product chip, especially the kraft bag chip that add containing " PE " that thermoplastic material and Activities of Some Plants fiber are provided simultaneously.
For achieving the above object, novel ecological wood of the present invention and preparation method thereof, provides a kind of novel ecological wood, and this ecological wooden is made up of following components by weight percent:
Wood powder 28-37 part, chaff powder 20-30 part, containing paper product chip 20-30 part of polyethylene (PE), calcium powder 5-15 part, pigment 1-4 part, composite additive 4-6 part.
As the restriction to technique scheme, novel ecological wood is made up of following components by weight percent: 32 parts of wood powders, 25 parts, chaff powder, containing 26 parts of the paper product chips of polyethylene (PE), 10 parts of calcium powders, 2 parts of pigment, 5 parts of composite additives.
As the further restriction to technique scheme, the described paper product chip containing polyethylene (PE) is waste and old kraft bag chip.
As the further restriction to technique scheme, described composite additive is coupling agent and lubricant.
Specifically, described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminic acid acid coupling agent.
Specifically, described lubricant is the one in stearic acid, paraffin.
In the present invention, the parts by weight of wood powder are controlled at 28-37 part.Along with the increase of wood powder content, all there is rising trend in tensile strength, the flexural strength of material, but in improving rigidity of material, also make the toughness of material occur declining, show as the decline of shock strength, and with the increasing of wood powder content, shock strength further declines, but trend is milder, therefore will control wood powder content in OK range.The particle diameter of wood powder is controlled at 70-100 order, and along with wood powder particle size reduction, flexural strength reduces significantly, and shock strength first raises and then reduces to some extent.This is because large-sized wood powder can play certain fiber reinforcement effect, and undersized wood powder has increased the two-phase interface area of matrix material, is conducive to the absorption of the energy impacting.Size of particles further reduces, and interface compatibility becomes subject matter, and impact property is reduced.
In the present invention, add chaff powder, can improve tensile strength, shock strength and the use temperature of Wood flour filled PE base wood-plastic composite material, improve water tolerance and the processing fluidity of matrix material.Chaff powder and wood powder are also used than being chaff powder 20-30 part: when wood powder 28-37 part, and overall performance the best of matrix material, tensile strength, shock strength and vicat softening point temperature reach respectively maximum value.
Wood powder, chaff powder are as filler, and the general mineral filler of density ratio is little, wear-resisting can degraded and reclaim, and raw material resources are abundant, and production technique is simple, low price, gained composite product has good woodiness touch and effect of heat insulation.
The ageing-resistant degraded of PE and the performance of processing aspect are more superior compared with other thermoplastic materials.The present invention adopts the paper product chip adding containing PE, utilize paper product liner to be used as thermoplastic material containing the mesh grid of PE, consume the wherein plastic components of contained difficult degraded, not only replace buying finished product PVC, PE, thereby and can provide vegetable fibre to replace part wood powder containing the paper product chip of PE itself, reduce the usage quantity of wood powder.Therefore the present invention contains the paper product chip of PE by use, has fully recycled wood fibre and thermoplastic materials, has realized the recovery and reuse of ecological resources, not only significant to environment protection, and greatly reduces cost.
In the present invention, wood powder, chaff powder, all provide vegetable fibre to mould wooden filler as ecological wooden containing the paper product chip of PE, the ratio of the parts by weight of three kinds of components affects the various aspects of performance of final ecological wooden.
The kind and the weight that in the present invention, are added pigment by Artificial Control, controllable colour, effectively avoids aberration.
Because wood powder is polarity, hydrophilic filler, and PE is nonpolar, oleophylic, therefore their consistency is bad, and causes composite material strength to lower, stress decrease, so must add the interface binding power between coupling agents to improve vegetable fibre and thermoplastics.The present invention combines inorganics and organism by the one of adding in silane coupling agent, titanate coupling agent, aluminic acid acid coupling agent.
For improving fluidity of molten, the present invention has also added one in stearic acid, paraffin as lubricant.
The present invention simultaneously also provides a kind of preparation method of novel ecological wood, and the method comprises the following steps:
(1) get the raw materials ready;
(2) high mixed, by the wood powder of getting ready, chaff powder, containing the paper product chip of polyethylene (PE), calcium powder mixes, and makes temperature T
1reach 118 ℃-122 ℃, add coupling agent, lubricant and pigment to continue to mix, and make temperature T
2reach 118 ℃-122 ℃, maintain this temperature 10-20min;
(3) granulate, in temperature T
3under 160-180 ℃ of environment, after the material that step (2) is obtained is made particle diameter and is 1-2mm particle, be cooled to 50 ℃ following stand-by;
(4) extrude, the particle that step (3) is obtained is heated to temperature T
4, 155 ℃ to 175 ℃, make particulate solid become plastic rheid, be cooled to 60 ℃ to carry out below forming extrusion.
As the restriction to technique scheme, the high mixed middle temperature T of described step (2)
1be 120 ℃, temperature T
2it is 120 ℃; Temperature T in step (3) granulation
3it is 170 ℃; Step (4) is extruded middle temperature T
4it is 165 ℃; Extruded velocity in step (4) is 117Kg/h.
As the restriction to technique scheme, in step (1), press wood powder 28-37 part, chaff powder 20-30 part, containing paper product chip 20-30 part of polyethylene (PE), calcium powder 5-15 part, pigment 1-4 part, composite additive 4-6 part is got the raw materials ready.
As the further restriction to technique scheme, in step (1), press 32 parts of wood powders, 25 parts, chaff powder, containing 26 parts of the paper product chips of polyethylene (PE), 10 parts of calcium powders, 2 parts of pigment, 5 parts of composite additives are got the raw materials ready.
Above-mentioned preparation process adopts commercially available mould wooden mechanical means and can realize, as JG-MSX65/132 moulds wooden mechanical means.
Step in technique scheme (2) height is sneaked out in journey and will strictly be controlled mixture temperature and mixing time, and the raw material being equipped with fully mixes at high speed mixer, and material frictional heat is to temperature T
1be 118 ℃-122 ℃ various materials fully mixed, add coupling agent, lubricant and required pigment after material can lower the temperature 3 ℃-5 ℃, continue friction mixture to temperature T
2be 118 ℃-122 ℃, shutting down opens a position is discarded to granulation line by material.At this temperature, operation one side material is fully dried, and can make on the other hand coupling agent, lubricant act on better material.Mixing time is unsuitable long, otherwise plastics are melting, make material caking even embrace pot and cause the consequence of batch mixing failure, mixing time is also unsuitable too short, otherwise cause material can not fully be dried or the unequal phenomenon of batch mixing, therefore control mixing time of the present invention is 10-20min.
Extrusion temperature T
4control 160-180 ℃, extruded velocity is controlled at 117Kg/h.Plasticization temperature is too high, overlong time, and the easy variable color of wood powder, matrix material is sallow; And plasticization temperature is too low, the time is shorter, and PE fails to plastify completely, and wood powder dispersion is inhomogeneous, causes composite property obviously to decline.Extruding in operation according to graininess, accomplish in time adjusting process parameter, to reach best effect.
Embodiment
Embodiment mono-:
(1) get the raw materials ready, get the raw materials ready according to each composition weight umber in formula, wherein the particle diameter of wood powder is 70 orders;
(2) batching, is transported to each feed bin with fork truck by production desired raw material and carries out proportioning by electronic scale automatic Weighing, wood powder: chaff powder: waste and old kraft bag chip: calcium powder: pigment: composite additive=32:25:26:10:2:5;
(3) high mixed, the raw material being equipped with is delivered to airtight high speed mixer through screw feeding machine fully to be mixed, and material frictional heat makes temperature T
1various materials are fully mixed to 118 ℃, add after coupling agent, lubricant and pigment 5 ℃ of material coolings, continue friction mixture and make temperature T
2arrive 122 ℃, maintain this temperature 10min, shutting down opens a position is discarded to granulation line by material;
(4) granulate, mixed material is promoted to granulating system through screw feeding machine and granulates, and in nodulizer, makes temperature T by main frame ring mould, hot plate heating
3be 170 ℃, under the extruding of pressure roller, form the particle that particle diameter is 2mm, particle through force 3 wind be cooled to 50 ℃ approach below normal temperature be convenient to pack, be delivered in storage bin;
(5) extrude, the product that obtains of granulating is transported to by artificial pack that extruding production line storage hopper plastifies, moulding: 1. plastic phase, makes temperature T by Electric heating by the heating of screw rod barrel
4be 160 ℃, make particulate solid become plastic rheid.2. formative stage, due to screw rod rotation and wind effect, pushes head to rheid, and material enters cooling trough and is cooled to 60 ℃ of shaping platforms that enter below in head to carry out forming extrusion with the extruded velocity of 117Kg/h, obtains required size shape material;
(6) surface working, carries out material the good work in-process of art breading such as plucking, sanding, embossing as required;
(7) check, on inspection, measure after qualified packing of product warehouse-in, the solid scrap stock of plucking, sanding and check out underproof product to reclaim, produce again through pulverizer pulverizing process.
The product performance of preparing through above-mentioned technique are as follows: xylon content 63%, tensile strength 12.4Mpa, three-point bending strength 15.7Mpa, hardness >=60D, shock strength 12KJ/ ㎡.
Embodiment bis-:
(1) get the raw materials ready, get the raw materials ready according to each composition weight umber in formula, wherein the particle diameter of wood powder is 100 orders;
(2) batching, is transported to each feed bin with fork truck by production desired raw material and carries out proportioning by electronic scale automatic Weighing, wood powder: chaff powder: waste and old kraft bag chip: calcium powder: pigment: composite additive=37:28:24:5:2:4;
(3) high mixed, the raw material being equipped with is delivered to airtight high speed mixer through screw feeding machine fully to be mixed, and material frictional heat makes temperature T
1various materials are fully mixed to 120 ℃, add after coupling agent, lubricant and pigment 3 ℃ of material coolings, continue friction mixture and make temperature T
2arrive 120 ℃, maintain this temperature 15min, shutting down opens a position is discarded to granulation line by material;
(4) granulate, mixed material is promoted to granulating system through screw feeding machine and granulates, and in nodulizer, makes temperature T by main frame ring mould, hot plate heating
3be 170 ℃, under the extruding of pressure roller, form the particle that particle diameter is 2mm, particle through force 3 wind be cooled to 50 ℃ approach below normal temperature be convenient to pack, be delivered in storage bin;
(5) extrude, the product that obtains of granulating is transported to by artificial pack that extruding production line storage hopper plastifies, moulding: 1. plastic phase, makes temperature T by Electric heating by the heating of screw rod barrel
4be 165 ℃, make particulate solid become plastic rheid.2. formative stage, due to screw rod rotation and wind effect, pushes head to rheid, and material enters cooling trough and is cooled to 60 ℃ of shaping platforms that enter below in head to carry out forming extrusion with the extruded velocity of 117Kg/h, obtains required size shape material;
(6) surface working, carries out material the good work in-process of art breading such as plucking, sanding, embossing as required;
(7) check, on inspection, measure after qualified packing of product warehouse-in, the solid scrap stock of plucking, sanding and check out underproof product to reclaim, produce again through pulverizer pulverizing process.
The product performance of preparing through above-mentioned technique are as follows: xylon content 72%, tensile strength 13.1Mpa, three-point bending strength 20.9Mpa, hardness >=60D, shock strength 9KJ/ ㎡.
Claims (10)
1. a novel ecological wood, is characterized in that being made up of following components by weight percent:
Wood powder 28-37 part, chaff powder 20-30 part, containing paper product chip 20-30 part of polyethylene (PE), calcium powder 5-15 part, pigment 1-4 part, composite additive 4-6 part.
2. novel ecological wood as claimed in claim 1, is characterized in that being made up of following components by weight percent: 32 parts of wood powders, 25 parts, chaff powder, containing 26 parts of the paper product chips of polyethylene (PE), 10 parts of calcium powders, 2 parts of pigment, 5 parts of composite additives.
3. novel ecological wood as claimed in claim 1 or 2, is characterized in that: the described paper product chip containing polyethylene (PE) is waste and old kraft bag chip.
4. novel ecological wood as claimed in claim 1 or 2, is characterized in that: described composite additive is coupling agent and lubricant.
5. novel ecological wood as claimed in claim 4, is characterized in that: described coupling agent is the one in silane coupling agent, titanate coupling agent, aluminic acid acid coupling agent.
6. novel ecological wood as claimed in claim 4, is characterized in that: described lubricant is the one in stearic acid, paraffin.
7. a preparation method for novel ecological wood, is characterized in that comprising the following steps:
(1) get the raw materials ready;
(2) high mixed, by the wood powder of getting ready, chaff powder, containing the paper product chip of polyethylene (PE), calcium powder mixes, and makes temperature T
1reach 118 ℃-122 ℃, add coupling agent, lubricant and pigment to continue to mix, and make temperature T
2reach 118 ℃-122 ℃, maintain this temperature 10-20min;
(3) granulate, in temperature T
3under 160-180 ℃ of environment, after the material that step (2) is obtained is made particle diameter and is 1-2mm particle, be cooled to 50 ℃ following stand-by;
(4) extrude, the particle that step (3) is obtained is heated to temperature T
4, 155 ℃ to 175 ℃, make particulate solid become plastic rheid, be cooled to 60 ℃ to carry out below forming extrusion.
8. the preparation method of novel ecological wood as claimed in claim 7, is characterized in that the high mixed middle temperature T of described step (2)
1be 120 ℃, temperature T
2it is 120 ℃; Temperature T in step (3) granulation
3it is 170 ℃; Step (4) is extruded middle temperature T
4it is 165 ℃; Extruded velocity in step (4) is 117Kg/h.
9. the preparation method of novel ecological wood as claimed in claim 7 or 8, is characterized in that: in step (1) by wood powder 28-37 part, chaff powder 20-30 part, containing paper product chip 20-30 part of polyethylene (PE), calcium powder 5-15 part, pigment 1-4 part, composite additive 4-6 part is got the raw materials ready.
10. the preparation method of novel ecological wood as claimed in claim 9, is characterized in that: in step (1) by 32 parts of wood powders, 25 parts, chaff powder, containing 26 parts of the paper product chips of polyethylene (PE), 10 parts of calcium powders, 2 parts of pigment, 5 parts of composite additives are got the raw materials ready.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410051274.3A CN103804939B (en) | 2014-02-14 | 2014-02-14 | Novel ecological wood and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410051274.3A CN103804939B (en) | 2014-02-14 | 2014-02-14 | Novel ecological wood and preparation method thereof |
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| CN103804939A true CN103804939A (en) | 2014-05-21 |
| CN103804939B CN103804939B (en) | 2016-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941582A (en) * | 2020-08-19 | 2020-11-17 | 香河天亚木业有限公司 | Shaving board and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001021367A1 (en) * | 1999-09-22 | 2001-03-29 | Sd-Konsult Stein Fr. Dietrichson | Construction material comprising recycled pvb (polyvinyl butyral) |
| CN1880376A (en) * | 2006-05-17 | 2006-12-20 | 安徽国风集团有限公司 | Bran powder type thermoplastic wood plastic composite material and its preparing process |
| CN1928223A (en) * | 1999-06-22 | 2007-03-14 | 希乐克公司 | Texturized cellulosic and lignocellulosic materials and compositions and composites made therefrom |
| CN102260386A (en) * | 2011-06-01 | 2011-11-30 | 浙江金磊窗业有限公司 | Ecological composite material and preparation method thereof |
-
2014
- 2014-02-14 CN CN201410051274.3A patent/CN103804939B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1928223A (en) * | 1999-06-22 | 2007-03-14 | 希乐克公司 | Texturized cellulosic and lignocellulosic materials and compositions and composites made therefrom |
| WO2001021367A1 (en) * | 1999-09-22 | 2001-03-29 | Sd-Konsult Stein Fr. Dietrichson | Construction material comprising recycled pvb (polyvinyl butyral) |
| CN1880376A (en) * | 2006-05-17 | 2006-12-20 | 安徽国风集团有限公司 | Bran powder type thermoplastic wood plastic composite material and its preparing process |
| CN102260386A (en) * | 2011-06-01 | 2011-11-30 | 浙江金磊窗业有限公司 | Ecological composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941582A (en) * | 2020-08-19 | 2020-11-17 | 香河天亚木业有限公司 | Shaving board and preparation method thereof |
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| CN103804939B (en) | 2016-06-15 |
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Address after: 063300 south side of No.16 Road, Fengnan coastal industrial zone, Tangshan City, Hebei Province Patentee after: Tangshan Weisen New Material Technology Co.,Ltd. Address before: 063300 South of Building 16, Coastal Industrial Zone, Fengnan District, Tangshan, Hebei Patentee before: TANGSHAN WEISEN NEW MATERIAL Co.,Ltd. |
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