CN101033339B - Wood-plastic material and its preparation method - Google Patents
Wood-plastic material and its preparation method Download PDFInfo
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- CN101033339B CN101033339B CN200710039574XA CN200710039574A CN101033339B CN 101033339 B CN101033339 B CN 101033339B CN 200710039574X A CN200710039574X A CN 200710039574XA CN 200710039574 A CN200710039574 A CN 200710039574A CN 101033339 B CN101033339 B CN 101033339B
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Abstract
A wood-plastic material and its manufacturing method relates to the preparation from waste plastics of mineralization garbage, and further its manufacturing method. The quality percentage composition of this material is waste plastic: wood powder: waste chemical fiber: silane coupling agent: 2-6 di-Butylated Hydroxytoluene: stearic acid: paraffin = (25%~45%): (50%~55.5%): (4%~15%): (0.2%~1.0%): (0.5%~2.0%): (0.3%~0.5%): (0~1.0 %). It firstly breaks, washes and dries the waste plastics, chemical fibers and wood flour, then mixes them for granulation, extrudes for molding. The material has goodresistance of corrosion and weather, and its performance and characteristics are close to the wood.
Description
Technical field
The present invention relates to a kind of component of Wood-plastic material, further relate to the manufacture craft of this material, specifically is to be main raw material with waste or used plastics, waste chemical fiber, waste wood in the mineralized waste, produces the method for Wood-plastic material.Belong to the reclamation of solid wastes field.
Background technology
The whole world forest reserves are exhausted day by day, and the supply of timber reduces, and demand is but in continuous increase, and since the seventies, macromolecular material scientific worker and industry member are being made unremitting efforts to always, carry out the research-and-development activity of " to mould Dai Mu ".Wood plastic composite has caused the very big concern of scientific and technological circle and industry member.Wood plastic composite is eliminated their many inherent defects by the advantage separately that modification can make full use of plastics and timber---and both overcome the low and variability of strength of wood etc. and used limitation, the shortcomings such as low modulus of organic materials have been overcome again, have than the better mechanical property of single macromolecule polymeric material, can give full play to compound advantage, improve the physical and mechanical property and the processing characteristics of material with differing materials.As a kind of environment-friendly material, the wood-plastic products broad market prospect.
One of emphasis of wood plastic composite research at present is exactly the application of the plastic edge horn scraps that produced in the application of reclaiming waste or used plastics, particularly industrial production.Wood powder and waste or used plastics blend are made the method that wood plastic composite is a kind of effective recycling waste or used plastics, also fully utilized simultaneously the lignocellulose solid waste, having improved the utilization ratio of timber, saved log scale, is a kind of environment-friendly materials truly.The Wood-plastic material that is formed by recovery waste or used plastics and wood composite not only can consume recovery lumber fibre and recovery plastics with the new prepared Wood-plastic material of resin, and itself can also be recycled, and possess the similar intensity and the physicals of matrix material of producing with new starting material.The plastic leftover bits that many scholars of developed country are produced in utilizing industrial production, produce the Wood-plastic material this respect and done number of research projects, the research aspect China reclaims at use salvage material production Wood-plastic material product and to Wood-plastic material is then also less.Utilize the wood plastic composite of waste and old recovery plastics-production also to face a lot of problems, for example, utilize the impact property of the salvage material of melting mixing method production to descend to some extent, bending property is bad, needs further to improve; The amount that reclaims plastics is not enough, is difficult to satisfy requirement of large-scale production.
Process is to the retrieval of the technology of invention, found domestic and international relevant open patent of invention: one is " wood powder mixing material and preparation method thereof " (application number is 02121222.8), select polyvinyl chloride (PVC) for use, polypropylene (PP), a kind of powder of polyethylene (PE) etc., 50～65% wood powder, 8～12% solidifying agent (label is the cement of 425-525#), making method comprises processing steps such as selection, pulverizing, proportioning, stirring heating, extrusion molding, cooling curing, cutting finished product.Another is " a kind of modified composite material of woods and plastics and uses thereof and manufacture method thereof " (application number is 02104432.5), utilize wood powder and plastics or waste or used plastics to be main raw material, be equipped with a little auxiliary, with special-purpose grafting agent wood powder and frosting are carried out the graft modification processing, adopt continuous expressing technique to produce modified composite material of woods and plastics.Also have one to be " a kind of wood plastic composite and its production and application " (application number is 02160123.2), except including components such as reclaiming plastics, wood fibre and compatilizer, also include the reinforcing filler that flyash and/or industrial slag are formed, the preparation technology of employing is a melt-mixing method.The recovery plastics that adopted in these several inventions all are based on the leftover bits in the industrial production.Up to the present also waste or used plastics, waste chemical fiber, the waste wood that sieves in the mineralized waste do not made the report of Wood-plastic material as raw material.
Summary of the invention
The objective of the invention is to disclose a kind of composition that utilizes waste or used plastics in the mineralized waste, waste chemical fiber, waste wood for the Wood-plastic material of main raw material.That this Wood-plastic material has is corrosion-resistant, good weatherability, outward appearance and processing characteristics be near the characteristics of timber.Another one purpose of the present invention provides a kind of method of producing this Wood-plastic material.This method technology is simple, with low cost.Specifically be to obtain this Wood-plastic material as raw material production with the plastic waste in the mineralized waste, waste chemical fiber, waste wood.
In order to achieve the above object, the present invention is through to the domestic rubbish disposal mode in the most of city of China discovering based on landfill still, under physics, chemistry and biological effect change has taken place through the domestic refuse of landfill yard landfill, reach stabilization, change old rubbish by crude waste at leisure into earth fragrance smell.Mineralized waste through the exploitation, the screening after, can obtain 50%～60% organic fines, the article of 30%～35% recyclable utilization (man-made fiber, plastics, glass, metal etc.); Nearly 20%～25% coarse fodder must be backfilling in the landfill yard and go, and 75%～80% the landfill space of vacateing is used for the fresh domestic refuse of landfill, can prolong landfill yard working life thus.Plastics in the mineralized waste are mainly rigid plastics such as plastics bag, film, porous plastics and lid, box, have wherein accounted for great majority with plastics bag, film again.The recovery and utilization technology of waste chemical fiber is still immature, becomes a difficult point of present changing rejected material to useful resource.
The component of Wood-plastic material of the present invention and content (mass percent) are waste or used plastics: wood powder: waste chemical fiber: silane coupling agent (KH570): 2,6 ditertiary butyl p cresol: stearic acid: paraffin=(25%～45%): (50%～55.5%): (4%～15%): (0.2%1.0%): (0.5%～2.0%): (0.3%～0.5%): (0～1.0%).
Described waste or used plastics sieves from mineralized waste, presses arbitrary proportion and mixes and use PP and PE mixture.
Described waste chemical fiber is a kind of in artificial cotton, terylene, acrylic fibers, polyamide fibre, spandex, polyvinyl, the polyvinyl chloride fibre, or above-mentioned several arbitrary proportion blended mixture.
The present invention adopts following technology:
Earlier respectively with sieve in the mineralized waste waste or used plastics and man-made fiber be crushed to 4～6mm, send into the tank that is provided with mechanical stirrer, further remove the loose dirt that sticks to plastics and fiber surface with mechanical stirrer,, make it to sink to bottom land as sand, earth etc.; Powdery waste or used plastics after will cleaning then and man-made fiber are sent in the whizzer and are dried, and dehydrate; With waste plastic granulation, again waste wood being made granularity with the wood powder machine is 20 purpose wood powders, carries out drying, makes the wood powder water ratio less than 5%; Measure following component more by mass percentage respectively, waste or used plastics: wood powder: waste chemical fiber: silane coupling agent: 2,6 ditertiary butyl p cresol: stearic acid: paraffin=(25%～45%): (50%～55.5%): (4%～15%): (0.2%～1.0%): (0.5%～2.0%): (0.3%～0.5%): (0～1.0%); Fiber and plastics are added high-speed mixer, carried out low speed mixing 1 minute with the 700rpm rotating speed earlier, add then behind the silane coupling agent with 1400rpm rotating speed high-speed mixing 4～6 minutes; To add through exsiccant wood powder and 2,6 ditertiary butyl p cresol, stearic acid, paraffin and pigment after the shutdown, again with 1400rpm rotating speed high-speed mixing 20～25 minutes; Will be through the uniform mixing material tablets press granulation of high-speed mixing; the particle that downcuts drops into exhaust, inverse type twin screw extruder; utilize heating and screw rod shearing effect to make plastics become melt; by the direct extrusion moulding of molding, last cooling and shaping becomes the goods of section bar or sheet material or other design requirements under pressure.
The present invention has following advantage:
1. the raw material of utilization of the present invention is the solid waste that reaches stabilization through landfill, and the material severity of mixing up is higher; Especially useless fiber does not also have ripe effectively method of resource at present.Development and utilization to plastic waste and useless fiber has effectively prevented the issuable secondary pollution of these solid waste, and good benefits in environment and social benefit are arranged.
2. because the length-to-diameter ratio of man-made fiber is bigger, in fibre reinforced composites, staple length is one of determinative of matrix material machinery performance, and the present invention adds waste chemical fiber in Wood-plastic material, and the filling of waste chemical fiber has improved the intensity and the toughness of Wood-plastic material effectively.Therefore, the intensity of material of the present invention is improved effectively, can reach and near the industry standard requirement.
3. manufacture craft of the present invention is comparatively simple, less in process of production generation waste water, waste gas.The product appearance utmost point of making is like timber, and the method for available converted timber is processed.
4. Wood-plastic material of the present invention is the material that can carry out second stage employ after fragmentation.The part Wood-plastic material waste material that in product processing, produces, can drop into grind in the high speed turbine plastics shredder after, reenter twin screw extruder and other component is extruded together once more.Seldom produce waste material in the making processes.
Description of drawings
Fig. 1 is a process flow sheet of the present invention
Embodiment
Embodiment 1
See also accompanying drawing 1.
With plastics (LDPE and PP mass ratio are 5: 2) and the man-made fiber (acrylic fibers and terylene mass ratio are 1: 1) that sieves in the mineralized waste, remove dust, be crushed to 4～6mm with plastic breaker, clean after drying to water ratio less than 5%.Waste wood piece in the mineralized waste is crushed to below the 6mm, is milled to particle diameter less than 20 orders with pulverizing mill.
The weight proportion of raw material is (is benchmark with the product total mass): waste or used plastics: 25%; Wood powder: 55.5%; Waste chemical fiber: 15%; Silane coupling agent (KH570): 1.5%; 2,6 ditertiary butyl p cresol: 2.0%; Stearic acid: 0.5%; Paraffin: 1.5%.
Man-made fiber and plastics are added high-speed mixer, existing with the of short duration mixing of 700rpm low speed 1 minute, add 0.5% silane coupling agent then with 1400rpm rotating speed high-speed mixing 4～6 minutes; Shut down back dried wood powder of adding and 2,6 ditertiary butyl p cresol, stearic acid, paraffin, high-speed mixing is 20～25 minutes again.Will be through the uniform mixing material tablets press granulation of high-speed mixing, the particle of cutting-out drops into exhaust, inverse type twin screw extruder, and screw speed 100rpm reflects the 160s that finds time, 100 ℃～180 ℃ of each section of forcing machine temperature, 160～180 ℃ of head temperatures.Utilize heating and screw rod shearing effect to make plastics become melt, under pressure by the direct extrusion moulding of molding, last cooling and shaping is made sheet material.This plate property test is as following table.
Test data is as follows:
| Performance | Numerical value | Unit | Testing standard |
| Water-intake rate | 0.5％ | ||
| Tensile strength | 12 | Mpa | GB/T 1040-92 |
| Tensile modulus | 1980 | Mpa | GB/T 1040-92 |
| Shock strength | 14 | KJ/m 2 | GB/T 1043-93 |
| Performance | Numerical value | Unit | Testing standard |
| Flexural strength | 26 | Mpa | GB/T 9341-2000 |
| Modulus in flexure | 1730 | Mpa | GB/T 9341-2000 |
| Vicat softening point | 130 | ℃ | GB/T 1633-2000 |
Embodiment 2
With plastics in the mineralized waste (LDPE material) and man-made fiber (acrylic fibers), remove dust, be crushed to 4～6mm with plastic breaker, clean after drying to water ratio less than 5%.Waste wood piece in the mineralized waste is crushed to below the 6mm, is milled to particle diameter less than 20 orders with pulverizing mill.
The weight proportion of raw material is (is benchmark with the product total mass): waste or used plastics: 45%; Wood powder: 50%; Waste chemical fiber: 4.0%; Silane coupling agent (KH570): 0.2%; 2,6 ditertiary butyl p cresol: 0.5%; Stearic acid: 0.3%; Paraffin: 0.0%.
Man-made fiber and plastics are added high-speed mixer, existing with the of short duration mixing of 700rpm low speed 1 minute, add 0.5% silane coupling agent then with 1400rpm rotating speed high-speed mixing 4～6 minutes; Shut down back dried wood powder of adding and 2,6 ditertiary butyl p cresol, stearic acid, paraffin, high-speed mixing is 20～25 minutes again.Will be through the uniform mixing material tablets press granulation of high-speed mixing, the particle of cutting-out drops into exhaust, inverse type twin screw extruder, and screw speed 100rpm reflects the 160s that finds time, 100 ℃～180 ℃ of each section of forcing machine temperature, 160～180 ℃ of head temperatures.Utilize heating and screw rod shearing effect to make plastics become melt, under pressure by the direct extrusion moulding of molding, last cooling and shaping is made section bar.
Test data is as follows:
| Performance | Numerical value | Unit | Testing standard |
| Water-intake rate | 0.5％ | ||
| Tensile strength | 16 | Mpa | GB/T 1040-92 |
| Tensile modulus | 1870 | Mpa | GB/T 1040-92 |
| Shock strength | 12 | KJ/m 2 | GB/T 1043-93 |
| Flexural strength | 28 | Mpa | GB/T 9341-2000 |
| Modulus in flexure | 1780 | Mpa | GB/T 9341-2000 |
| Vicat softening point | 125 | ℃ | GB/T 1633-2000 |
Claims (2)
1. Wood-plastic material, it is characterized in that: the feed composition of this material and the mass percent of content are waste or used plastics: wood powder: waste chemical fiber: silane coupling agent: 2,6 ditertiary butyl p cresol: stearic acid: paraffin=(25%～45%): (50%～55.5%): (4%～15%): (0.2%～1.0%): (0.5%～2.0%): (0.3%～0.5%): (0～1.0%); Described waste or used plastics sieves from mineralized waste, presses arbitrary proportion and mixes PP and the PE mixture that uses; Described waste chemical fiber is a kind of in artificial cotton, terylene, acrylic fibers, polyamide fibre, spandex, polyvinyl, the polyvinyl chloride fibre, or above-mentioned several arbitrary proportion blended mixture;
Earlier respectively with sieve in the mineralized waste waste or used plastics and man-made fiber be crushed to 4～6mm, send into the tank that is provided with mechanical stirrer, further remove loose sand, the earth that sticks to frosting with mechanical stirrer, make it to sink to bottom land; Powdery waste or used plastics after will cleaning then and man-made fiber are sent in the whizzer and are dried, and dehydrate; With waste plastic granulation, again waste wood being made granularity with the wood powder machine is 20 purpose wood powders, carries out drying, makes the wood powder water ratio less than 5%; Measure following component more by mass percentage respectively, waste or used plastics: wood powder: waste chemical fiber: silane coupling agent: 2,6 ditertiary butyl p cresol: stearic acid: paraffin=(25%～45%): (50%～55.5%): (4%～15%): (0.2%～1.0%): (0.5%～2.0%): (0.3%～0.5%): (0～1.0%); Fiber and plastics are added high-speed mixer, carried out low speed mixing 1 minute with the 700rpm rotating speed earlier, add then behind the silane coupling agent with 1400rpm rotating speed high-speed mixing 4～6 minutes; To add through exsiccant wood powder and 2,6 ditertiary butyl p cresol, stearic acid and paraffin after the shutdown, again with 1400rpm rotating speed high-speed mixing 20～25 minutes; Will be through the uniform mixing material tablets press granulation of high-speed mixing; the particle that downcuts drops into exhaust, inverse type twin screw extruder; utilize heating and screw rod shearing effect to make plastics become molten mass, under pressure by the direct extrusion moulding of molding, last cooling and shaping becomes section bar or sheet material.
2. the making method of the Wood-plastic material of a claim 1, it is characterized in that: earlier respectively with sieve in the mineralized waste waste or used plastics and man-made fiber be crushed to 4～6mm, send into the tank that is provided with mechanical stirrer, further remove loose sand, the earth that sticks to frosting with mechanical stirrer, make it to sink to bottom land; Powdery waste or used plastics after will cleaning then and man-made fiber are sent in the whizzer and are dried, and dehydrate; With waste plastic granulation, again waste wood being made granularity with the wood powder machine is 20 purpose wood powders, carries out drying, makes the wood powder water ratio less than 5%; Measure following component more by mass percentage respectively, waste or used plastics: wood powder: waste chemical fiber: silane coupling agent: 2,6 ditertiary butyl p cresol: stearic acid: paraffin=(25%～45%): (50%～55.5%): (4%～15%): (0.2%～1.0%): (0.5%～2.0%): (0.3%～0.5%): (0～1.0%); Fiber and plastics are added high-speed mixer, carried out low speed mixing 1 minute with the 700rpm rotating speed earlier, add then behind the silane coupling agent with 1400rpm rotating speed high-speed mixing 4～6 minutes; To add through exsiccant wood powder and 2,6 ditertiary butyl p cresol, stearic acid and paraffin after the shutdown, again with 1400rpm rotating speed high-speed mixing 20～25 minutes; Will be through the uniform mixing material tablets press granulation of high-speed mixing; the particle that downcuts drops into exhaust, inverse type twin screw extruder; utilize heating and screw rod shearing effect to make plastics become molten mass, under pressure by the direct extrusion moulding of molding, last cooling and shaping becomes section bar or sheet material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710039574XA CN101033339B (en) | 2007-04-18 | 2007-04-18 | Wood-plastic material and its preparation method |
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| CN200710039574XA CN101033339B (en) | 2007-04-18 | 2007-04-18 | Wood-plastic material and its preparation method |
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| CN101033339A CN101033339A (en) | 2007-09-12 |
| CN101033339B true CN101033339B (en) | 2010-10-06 |
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| CN200710039574XA Expired - Fee Related CN101033339B (en) | 2007-04-18 | 2007-04-18 | Wood-plastic material and its preparation method |
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| CN101215420B (en) * | 2007-12-30 | 2013-01-02 | 东北林业大学 | Wood-plastic composite material prepared from waste and old plastic mixer and preparation method thereof |
| CN101230165B (en) * | 2008-02-28 | 2010-07-21 | 上海交通大学 | Method for preparing polyethylene-based thermoplastic wood-plastic composite material |
| CN101613510B (en) * | 2009-07-16 | 2011-01-05 | 浙江大学 | Wood-plastic composite material and preparation method thereof |
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| CN103214868A (en) * | 2013-04-25 | 2013-07-24 | 楚雄中信塑木新型材料有限公司 | Plastic wood taking recycled plastics and edible mushroom culture piles as base materials, and processing method of plastic wood |
| CN103214869A (en) * | 2013-04-25 | 2013-07-24 | 楚雄中信塑木新型材料有限公司 | Plastic wood taking recycled plastics and straw as base materials, and processing method of plastic wood |
| CN103521505A (en) * | 2013-10-28 | 2014-01-22 | 韩洪波 | Method for production of plate from light garbage |
| CN104179858A (en) * | 2014-07-29 | 2014-12-03 | 济源市金港特纤科技有限公司 | Brake pad enhanced with smelting slag and fly ash inorganic fibers as well as preparation method of brake pad |
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| CN105504853A (en) * | 2016-02-03 | 2016-04-20 | 中国地质大学（北京） | Novel wood-plastic composite material |
| CN107090185A (en) * | 2017-06-20 | 2017-08-25 | 合肥尚涵装饰工程有限公司 | A kind of Wood plastic composite and preparation method thereof |
| CN110218421A (en) * | 2019-06-13 | 2019-09-10 | 愉悦家纺有限公司 | A kind of waste and old clothing and PET bottle piece composite board and preparation method thereof |
| CN110922615B (en) * | 2019-11-27 | 2022-08-09 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of waste polyester fabric reinforced polypropylene composite plastic |
| CN111571847A (en) * | 2020-05-19 | 2020-08-25 | 曾卫平 | Environment-friendly plastic recycling process |
| CN113667320A (en) * | 2021-09-17 | 2021-11-19 | 歙县四方能源再生利用有限公司 | Preparation method of modified reclaimed material of waste polypropylene woven bag reclaimed material |
| CN113980378B (en) * | 2021-12-03 | 2023-01-31 | 萍乡亨厚新材科技有限公司 | Method for manufacturing wood plastic by using waste materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204656A (en) * | 1997-07-09 | 1999-01-13 | 四川南方实业有限责任公司 | Method for manufacturing wood fibre with waste, used plastic polyblend |
| CN1532220A (en) * | 2003-03-24 | 2004-09-29 | 勇 张 | Novel plate and preparation method thereof |
| CN1740234A (en) * | 2005-09-16 | 2006-03-01 | 浙江诚信包装材料有限公司 | Making process of compound wood-plastic material product |
| KR20060037522A (en) * | 2004-10-28 | 2006-05-03 | 호원대학교산학협력단 | Composition for wood-plastic composite panels and manufacturing method of wood-plastic composite panels thereby |
-
2007
- 2007-04-18 CN CN200710039574XA patent/CN101033339B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1204656A (en) * | 1997-07-09 | 1999-01-13 | 四川南方实业有限责任公司 | Method for manufacturing wood fibre with waste, used plastic polyblend |
| CN1532220A (en) * | 2003-03-24 | 2004-09-29 | 勇 张 | Novel plate and preparation method thereof |
| KR20060037522A (en) * | 2004-10-28 | 2006-05-03 | 호원대학교산학협력단 | Composition for wood-plastic composite panels and manufacturing method of wood-plastic composite panels thereby |
| CN1740234A (en) * | 2005-09-16 | 2006-03-01 | 浙江诚信包装材料有限公司 | Making process of compound wood-plastic material product |
Non-Patent Citations (2)
| Title |
|---|
| CN 1204656 A,全文. |
| JP昭51-109085(A) 1976.09.27 |
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