CN1345654A - Thermal plasticity plastics and wood (bamboo) powder compound material and application thereof - Google Patents
Thermal plasticity plastics and wood (bamboo) powder compound material and application thereof Download PDFInfo
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- CN1345654A CN1345654A CN 00125375 CN00125375A CN1345654A CN 1345654 A CN1345654 A CN 1345654A CN 00125375 CN00125375 CN 00125375 CN 00125375 A CN00125375 A CN 00125375A CN 1345654 A CN1345654 A CN 1345654A
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Abstract
The present invention discloses a thermoplastic plastics and wood (bamboo) powder composite material and its application. Its composite contains (wt%) 90-40% of thermoplastics and 10-60% of wood (bamboo) powder with grain size of 60-120. The described thermoplastic plastias can be hard compound foamed or non-foamed polyvinyl chloride (PVC), compound foamed or non-foamed polystyrene or acrylonitrile-butadiene-styrene copolymer (ABC), and can use thermoplastic plastics and wood (bamboo) powder compound material and thermoplastic plastrics extrudate shape material or coextruded shape material. Said invention composite material is low in cost and possesses good properties.
Description
The present invention relates to the composition that a kind of thermoplastic plastic is a base-material, the invention still further relates to the application of said composition.
In building, fields such as industry and life, extensively adopt various members, past, it much is to adopt timber to make that these members have, but, a large amount of fellings along with forest, timber resources reduces rapidly, simultaneously, for the future of human survival, protecting trees is the important measures of keeping the natural environment ecological balance, therefore, the material of research replacing wood, paid attention to by the dealer, the existing bigger progress of development and use thermoplastic plastic is wherein as polyvinyl chloride (PVC), polystyrene (PS) and acrylonitrile---butadiene---styrol copolymer (ABS) etc., the profile shapes that is widely used in building industry, furniture, case, cabinet, vehicle components such as automobile, the function of its replacing wood has obtained remarkable effect; But above-mentioned these plastics because cost of material is relatively expensive, cause the goods cost higher, simultaneously its corresponding some physical property in practicality still difficulty satisfy various demands, thereby limit its scope of application; For this reason, it is the composite that base-material adds cheap auxiliary material that dealer's exploitation has thermoplastic plastic, because auxiliary material is cheap, thereby can two costs that reduce goods, still, because the usage ratio of these auxiliary materials is subjected to strict restriction, thereby its effect that reduces cost is still not obvious, simultaneously, the also difficult control of the physical property of this composite wood, thereby use still is restricted.
The objective of the invention is to provide a kind of thermoplastic plastic and wood (bamboo) powder composite wood, it can reduce the price of material by a relatively large margin, and can control material property well and satisfy various different demands, extrude or the coextrusion mold section bar with thermoplastic plastic and wood (bamboo) powder composite wood, can reduce price, increase economic efficiency, and can keep superperformance.
For achieving the above object, thermoplastic plastic and wood (bamboo) powder composite wood include the thermoplastic plastic of 90～40% (weight), the wood of 10～60% (weight) (bamboo) powder, the granularity 60～120 of wood (bamboo) powder.
Thermoplastic plastic can be the composite foamed or non-foamed polyvinyl chloride of hard (PVC), composite foamed or non-expanded polystyrene (EPS) (PS), acrylonitrile---butadiene---styrol copolymer (ABS).
For reaching above-mentioned purpose, section bar can adopt thermoplastic plastic and the extrusion molding of wood (bamboo) powder composite wood.Also available heat plastic with plasticity and wood (bamboo) powder composite wood and thermoplastic plastic coextrusion mold.
The ectonexine co-extrusion can be full coated state or part coated state; The thermoplastic plastic of internal layer with wood (bamboo) but powder composite wood co-extrusion is hollow form.
The present invention is owing to add wood (bamboo) powder on the thermoplastic plastic base material, wood (bamboo) powder then is making full use of of a kind of waste resource, not only it is in liberal supply, and price is also cheaper, thereby use the goods cost that this composite wood makes and to reduce, when wood (bamboo) powder accounted for total amount 60% (weight), its cost almost can reduce by one times, not only has higher economic benefit, and more help market competition, simultaneously, can utilize wood (bamboo) powder content in the composite wood, with the performance of control composite wood, as improve rigidity, reduce the influence of temperature, reduce thermal coefficient of expansion etc., use and improve member various environmental conditions to material deformation, the adaptability of loading condiction, enlarge the scope of application of composite wood, and thus to saving timber resources, improving environmental condition will there be positive help.With thermoplastic plastic and wood (bamboo) powder composite wood extrusion profile, can reduce cost significantly with thermoplastic plastic and wood (bamboo) powder composite wood co-extrusion section bar, its top layer then coats with the thermoplastic plastic co-extrusion, its effect is significantly to reduce the cost of section bar with above-mentioned reason, simultaneously again can retaining member surfacing, smooth, attractive in appearance.
Below in conjunction with embodiment and accompanying drawing thereof the present invention is described in further detail.
Fig. 1 is the embodiment of the invention 1 flow chart.
Fig. 2 is the embodiment of the invention 2 flow charts.
Fig. 3 is the embodiment of the invention 3 flow charts.
Fig. 4 is the profile with extrusion profile of the present invention.
Fig. 5 is the profile () with co-extrusion section bar of the present invention.
Fig. 6 is the profile (two) with co-extrusion section bar of the present invention.
Fig. 7 is the profile (three) with co-extrusion section bar of the present invention.
Thermoplastic plastic of the present invention contains thermoplastic plastic and wood (bamboo) powder with wood (bamboo) powder composite wood, and wherein thermoplastic plastic comprises PVC, PS, ABS, is powdery, its degree of polymerization S600-1000 (KV55-68).And PS, ABS are granular, wherein wood powder or bamboo powder are to belong to the string class, its granularity (mesh) 60～120, thermoplastic plastic and wood (bamboo) powder composite wood contain the thermoplastic plastic of 90～40% (weight), the wood of 10～60% (weight) (bamboo) powder, the granularity 60～120 of wood (bamboo) powder; The content of wood (bamboo) powder is bigger to the influence of composite wood, when wood (bamboo) powder content increased, its most positive effect was that the cost of composite wood is descended, and cost descends and the content value added is directly proportional, simultaneously along with wood (bamboo) powder content increases, the rigidity of composite wood improves, and temperature reduces the composite wood deformation effect, and the composite wood thermal coefficient of expansion reduces, but when wood (bamboo) powder content increases, also bring some negative effects, increase the coarse increase of material surface as composite wood fragility.
Below to being that the composite, preparation method of base material elaborates respectively with the thermoplastic plastic:
Embodiment 1, and base material is PVC, adds wood (bamboo) powder and an amount of blowing agent, and its flow process (as Fig. 1) is: feed 1---above-mentioned raw materials is imported from pay-off respectively; Mixing 2---the raw material of input enters homogenizer and stirs, and corresponding heating-up temperature is 100～120 ℃, sends from homogenizer through the raw material that mixes; The even compound input dual-screw pelletizer that granulation 3---mixer is sent, the extruding of mat screw pair, with extrusion process, the raw material heating-up temperature rises to 180 ℃ ± 10 ℃ gradually from 140 ℃ ± 10 ℃, is squeezed to last mat cutter cuts and sends; Finished product 4---the thermoplastic plastic after the cutting cools off below 40 ℃ in temperature with wood (bamboo) powder composite wood and is the graininess finished product.
Embodiment 2, and base material is PS, add wood (bamboo) powder, and its flow process (as Fig. 2) is: feed 1 '---send the device input respectively certainly with above-mentioned raw materials; Mixing 2 '---the raw material of input enters normal fast mixer and stirs, and corresponding heating-up temperature is 80 ℃ ± 20 ℃, and the raw material through mixing is sent from normal fast mixer; Single (or two) screw pelletizer of even compound input that granulation 3 '---mixer is sent, the extruding of mat screw pair, with extrusion process, the raw material heating-up temperature is 160 ℃～220 ℃, is squeezed to last mat cutter cuts and sends; Finished product 4 '---the thermoplastic plastic after the cutting cools off below 40 ℃ in temperature with wood (bamboo) powder composite wood and is the graininess finished product.
Embodiment 3, and base material is ABS, add wood (bamboo) powder, and its flow process (as Fig. 3) is: feed 1 "---above-mentioned raw materials is imported from pay-off respectively; Mix 2 "---the raw material of input enters normal fast mixer and stirs, and corresponding heating-up temperature is 80 ℃ ± 20 ℃, and the raw material through mixing is sent from normal fast mixer; Granulation 3 "---single (or two) screw pelletizer of even compound input that mixer is sent; mat screw pair extruding; with extrusion process; the raw material heating-up temperature is 160 ℃～220 ℃; be squeezed to last mat cutter cuts and send finished product 4 "---thermoplastic plastic after the cutting cools off below 40 ℃ in temperature with wood (bamboo) powder composite wood and is the graininess finished product.
The above-mentioned thermoplastic plastic of making can be in the vehicles such as building, furniture, bin, automobile with wood (bamboo) powder composite wood, and when making each class A of geometric unitA, as major ingredient or auxiliary material, the benefit of existing replacing wood has the effect that reduces cost again.
With reference to Fig. 4, when with thermoplastic plastic and the extrusion molding of wood (bamboo) powder composite wood, its extrusion is: the thermoplasticity material enters conveying device with wood (bamboo) powder composite wood from feed arrangement, in the extruding course of conveying, heat, heating-up temperature is 140-200 ℃, the material self-conveying apparatus enters die head and shunting enters mould molding, and the section bar 5 of moulding is at low temperature 0-25 ℃ of following cooling and shaping, its section shape such as Fig. 4.
With reference to Fig. 5,6,7, when with thermoplastic plastic and wood (bamboo) powder composite wood co-extrusion section bar, its outer 6 available heat plastic with plasticity, surface in the hope of section bar is identical with common hot moldable property plastic products, have characteristics smooth, smooth, attractive in appearance, 7 available heat plastic with plasticity of its internal layer and wood (bamboo) powder composite wood are in the hope of reducing the product cost, or use the performance of improving member, as improving rigidity etc.The co-extrusion process of section bar is: two kinds of raw materials enter separately conveying device from feed arrangement respectively, and heating respectively in the process that extruding is carried, corresponding heating-up temperature 140-200 ℃, the material self-conveying apparatus enters same die head, and distribute from die head and to enter mould molding, the co-extrusion section bar of moulding is at 0 ℃～25 ℃ following cooling and shapings of low temperature.
Co-extrusion section bar can also can coat internal layer 7 (as Fig. 6,7) by outer 6 parts by outer 6 whole internal layers 7 (as Fig. 5) that coat, and co-extrusion section bar also can form hollow forms at internal layer 7, as being hollow in the notional line among Fig. 5 71.
Rectangle, circle or other shapes can be made according to actual needs in the cross section of extrusion profile or co-extrusion section bar.
Claims (8)
1, a kind of thermoplastic plastic and wood (bamboo) powder composite wood, it is characterized in that: thermoplastic plastic and wood (bamboo) powder composite wood contain the thermoplastic plastic of 90-40% (weight), wood (bamboo) powder of 10-60% (weight), the granularity 60-120 of wood (bamboo) powder.
2, composite wood according to claim 1 is characterized in that thermoplastic plastic can be the composite foamed or non-foamed polyvinyl chloride of hard (PVC), its degree of polymerization S600-1000 (KV55-68).
3, composite wood according to claim 1 is characterized in that thermoplastic plastic can be composite foamed or non-expanded polystyrene (EPS) (PS).
4, composite wood according to claim 1 is characterized in that thermoplastic plastic can be acrylonitrile-butadiene-styrene copolymer (ABS).
5, the described thermoplastic plastic of a kind of claim 1 and wood (bamboo) powder composite wood extrusion profile is characterized in that section bar adopts thermoplastic plastic and the extrusion molding of wood (bamboo) powder composite wood.
6, the composite wood extrusion profile of using according to claim 5 is characterized in that section bar adopts thermoplastic plastic and wood (bamboo) powder composite wood and thermoplastic plastic coextrusion mold.
7, the composite wood extrusion profile of using according to claim 6 is characterized in that inside and outside layer co-extrusion can be full coated state or part coated state.
8, the composite wood extrusion profile of using according to claim 6, the thermoplastic plastic that it is characterized in that internal layer with wood (bamboo) but powder composite wood co-extrusion is hollow state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00125375 CN1345654A (en) | 2000-09-26 | 2000-09-26 | Thermal plasticity plastics and wood (bamboo) powder compound material and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00125375 CN1345654A (en) | 2000-09-26 | 2000-09-26 | Thermal plasticity plastics and wood (bamboo) powder compound material and application thereof |
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| CN1345654A true CN1345654A (en) | 2002-04-24 |
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| CN 00125375 Pending CN1345654A (en) | 2000-09-26 | 2000-09-26 | Thermal plasticity plastics and wood (bamboo) powder compound material and application thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100344703C (en) * | 2006-01-20 | 2007-10-24 | 杨雄 | Stone bamboo plywood and processing method thereof |
| CN100393811C (en) * | 2006-04-03 | 2008-06-11 | 中国科学院广州化学研究所 | Bamboo powder-high density polyethylene composite materials and process for preparing same |
| CN100393810C (en) * | 2006-04-03 | 2008-06-11 | 中国科学院广州化学研究所 | Bamboo powder-polyvinyl chloride composite materials and process for preparing same |
| CN100463939C (en) * | 2005-10-12 | 2009-02-25 | 北京化工大学 | Wood plastic micro foaming composite material and its processing shaping method |
| CN1965032B (en) * | 2004-06-10 | 2010-05-26 | 韩洋素材有限公司 | Sheet composite material including bamboo |
| CN101100555B (en) * | 2007-06-30 | 2010-05-26 | 重庆星星套装门有限责任公司 | Bamboo-plastic composite section bar |
| CN101519519B (en) * | 2009-04-09 | 2011-03-16 | 赵世全 | Bamboo powder flute tube stock and preparation method thereof |
| CN102225568A (en) * | 2010-07-30 | 2011-10-26 | 梁明祥 | Process for processing wood plastic environmentally-friendly board and special equipment thereof |
| CN102441974A (en) * | 2011-10-14 | 2012-05-09 | 高红 | Production method of aluminum-plastic wood fiber composite profile |
| CN102627012A (en) * | 2012-03-29 | 2012-08-08 | 江苏田娘农业科技有限公司 | Outdoor plastic-wood sectional material and production method thereof |
| CN103951903A (en) * | 2014-04-14 | 2014-07-30 | 江苏诚平新型材料科技有限公司 | Plastic steel hollow transportation square timber and preparation method thereof |
| CN104763748A (en) * | 2015-03-26 | 2015-07-08 | 中南林业科技大学 | Bamboo-plastic composite sliding bearing and preparation process thereof |
| CN105082303A (en) * | 2015-03-27 | 2015-11-25 | 西南林业大学 | Method for preparing high-strength wood-plastic composite |
-
2000
- 2000-09-26 CN CN 00125375 patent/CN1345654A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1965032B (en) * | 2004-06-10 | 2010-05-26 | 韩洋素材有限公司 | Sheet composite material including bamboo |
| CN100463939C (en) * | 2005-10-12 | 2009-02-25 | 北京化工大学 | Wood plastic micro foaming composite material and its processing shaping method |
| CN100344703C (en) * | 2006-01-20 | 2007-10-24 | 杨雄 | Stone bamboo plywood and processing method thereof |
| CN100393811C (en) * | 2006-04-03 | 2008-06-11 | 中国科学院广州化学研究所 | Bamboo powder-high density polyethylene composite materials and process for preparing same |
| CN100393810C (en) * | 2006-04-03 | 2008-06-11 | 中国科学院广州化学研究所 | Bamboo powder-polyvinyl chloride composite materials and process for preparing same |
| CN101100555B (en) * | 2007-06-30 | 2010-05-26 | 重庆星星套装门有限责任公司 | Bamboo-plastic composite section bar |
| CN101519519B (en) * | 2009-04-09 | 2011-03-16 | 赵世全 | Bamboo powder flute tube stock and preparation method thereof |
| CN102225568B (en) * | 2010-07-30 | 2013-11-06 | 梁明祥 | Process for processing wood plastic environmentally-friendly board and special equipment thereof |
| CN102225568A (en) * | 2010-07-30 | 2011-10-26 | 梁明祥 | Process for processing wood plastic environmentally-friendly board and special equipment thereof |
| CN102441974A (en) * | 2011-10-14 | 2012-05-09 | 高红 | Production method of aluminum-plastic wood fiber composite profile |
| CN102627012A (en) * | 2012-03-29 | 2012-08-08 | 江苏田娘农业科技有限公司 | Outdoor plastic-wood sectional material and production method thereof |
| CN103951903A (en) * | 2014-04-14 | 2014-07-30 | 江苏诚平新型材料科技有限公司 | Plastic steel hollow transportation square timber and preparation method thereof |
| CN104763748A (en) * | 2015-03-26 | 2015-07-08 | 中南林业科技大学 | Bamboo-plastic composite sliding bearing and preparation process thereof |
| CN104763748B (en) * | 2015-03-26 | 2017-07-25 | 中南林业科技大学 | A kind of bamboo-plastic combined sliding bearing and its preparation technology |
| CN105082303A (en) * | 2015-03-27 | 2015-11-25 | 西南林业大学 | Method for preparing high-strength wood-plastic composite |
| CN105082303B (en) * | 2015-03-27 | 2017-08-08 | 西南林业大学 | A kind of preparation method of high-intensity wood plastic composite |
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