CN100560314C - A kind of preparation method of plastic wood sheet - Google Patents
A kind of preparation method of plastic wood sheet Download PDFInfo
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- CN100560314C CN100560314C CNB2006101276940A CN200610127694A CN100560314C CN 100560314 C CN100560314 C CN 100560314C CN B2006101276940 A CNB2006101276940 A CN B2006101276940A CN 200610127694 A CN200610127694 A CN 200610127694A CN 100560314 C CN100560314 C CN 100560314C
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Abstract
The invention discloses a kind of preparation method of plastic wood sheet, it is to render to mixer after each material is mixed to carry out combination drying, baking temperature 80-100 degree, time 10-15 minute, and pressure is normal pressure; Enter extruder and produce and mould wooden particle, it is 3: 1 that compression ratio is extruded in granulation, and particle diameter is 2-6mm; With mould wooden particle put into spreading machine configure framed in mat formation, add glass fibre 1-3 layer in the pavement process material carried out reinforcement; The material that paves is moved into hot press carry out hot pressing slaking, thermal pressure 25MPa/cm
2, temperature 200-250 degree; Cooling and shaping is carried out in slaking back immigration hydraulic press well, and hydraulic press feeds normal temperature cold water and cools off.The prepared new material of the present invention has that area is big, density is high, intensity is high, nonpoisonous and tasteless, formaldehydeless, waterproof and dampproof, ageing-resistant, sound-insulating and heat-insulating, acid-fast alkali-proof, insulation, a characteristic such as fire-retardant.
Description
Technical field
The present invention relates to a kind of preparation method of plastic wood sheet.
Background technology
Wood materials and steel, cement, plastics also are called four big basic raw materials, and wood materials is unique reproducible.The recoverable amount of China's big footpath level timber seldom at present; do not satisfy the demand in market; in order to solve this crisis; people advocate with steel on the one hand for wood, to mould Dai Mu; non-renewable oil and ore deposit iron resource have been consumed again; but caused the generation of one and another raw material crisis; on the other hand; in the face of tree is few greatly; people glue together use to the small wood small powder with compound way; just must use a large amount of sizing materials, wherein be urea-formaldehyde glue more than 90% for this reason, and this is the main source that formaldehyde pollutes in the air.
About 1.3 hundred million tons of the output of present annual plastics in the world, China's output is above 2,000 ten thousand tons, the annual waste or used plastics that produces of China is about 2,400,000-4,800,000 tons, plastic refuse has accounted for the 1/3-1/4 of rubbish, because lack the technology of mature and reliable, the white pollution that causes has become a thorny problem of Chinese environmental protection cause.The string that present China has several hundred million tons of photosynthesis to generate every year can not find the way of utilization, burning year after year, discarded, and people are thirsting for it is used, and produce a kind of new material and replace oil and wood utilization.
External at home, moulding wood development is extrusion molding than product faster, extruded quantitative limitation, the product overwhelming majority is long-pending plate and a bar of leptoprosopy, with equipment be tapering twin-screw, in the same way or counter rotation twin screw extruder, product is used for leptoprosopy such as sash, floor, finishing material, rectangular material more, and product has following defective:
Plastic-wood material results from modifying plastics, use and screen the wood-fibred that grinds more than 80 orders, can not use the agronomic crop fibre as peanut shell, beans bar, cotton bar and so on, it uses plastic raw materials, consumption is big, cost is high, so it is not a wood materials fundamentally, but the oil material.
The extrusion molding difficulty.Equipment, mould, subsidiary engine cost an arm and a leg, the precision prescribed height, and product strength is low, poor rigidity, area is little, percent defective is high.
Because of using plastic raw materials and timber, do not possess the economizing economy feature.
Summary of the invention
The technical issues that need to address of the present invention just are to overcome the defective of prior art, a kind of plastic wood sheet and preparation method thereof is provided, it is combined into a kind of green, environmental protection, and new material that can 100% recycled for multiple times with discarded plastics and agronomic crop fibre, and have that area is big, density is high, intensity is high, nonpoisonous and tasteless, formaldehydeless, waterproof and dampproof, ageing-resistant, sound-insulating and heat-insulating, acid-fast alkali-proof, insulation, characteristic such as fire-retardant.
For addressing the above problem, the present invention adopts following technical scheme:
A kind of plastic wood sheet of the present invention, it is by agronomic crop fibre 30-90 part, waste and old regenerated plastics 10-70 part, interior profit, wetting agent 1-10 part, coupling, crosslinking agent 1-10 part, fire retardant 10-20 part, and an amount of ultra-violet absorber, age resistor mix the sheet material that compacting forms, the wide 500-2000mm of described sheet material, long 2000-4000mm.
Wetting agent of the present invention is paraffin, stearic acid, and interior profit agent is the stearate analog assistant.
Coupling of the present invention, crosslinking agent are silane, peptide ester acid assistant.
Fire retardant of the present invention is fire retardants such as bromo fire retardant, hydrated aluminium.
Ultra-violet absorber of the present invention is the general ultra-violet absorbers of plastics.
Age resistor of the present invention is the general age resistor of plastics.
The invention also discloses a kind of preparation method of described plastic wood sheet, render to mixer after described material is mixed and carry out combination drying, baking temperature 80-100 degree, time 10-15 minute, pressure is normal pressure; Enter extruder and produce and mould wooden particle, it is 3: 1 that compression ratio is extruded in granulation, and particle diameter is 2-6mm; With mould wooden particle put into spreading machine configure framed in mat formation, add glass fibre 1-3 layer in the pavement process material carried out reinforcement; The material that paves is moved into hot press carry out hot pressing slaking, thermal pressure 25mpa/cm
2, temperature 200-250 degree; Cooling and shaping is carried out in slaking back immigration hydraulic press well, and hydraulic press feeds normal temperature cold water and cools off.
It also comprises the inventive method stereotyped sheet material is cut burr, sanding step.Sheet material cuts burr and takes turns saw with common carpenter, the common wood sanding machine of sanding.
Plastic wood sheet of the present invention has that area is big, density is high, intensity is high, nonpoisonous and tasteless, formaldehydeless, waterproof and dampproof, ageing-resistant, sound-insulating and heat-insulating, acid-fast alkali-proof, insulation, fire-retardant basic sheet material have just formed, the wide 500-2000mm of this sheet material, long 2000-4000mm, according to the market demand, basic sheet material can be sprayed, technical finesse such as transfer printing, veneer, make it more attractive in appearance.
Beneficial effect of the present invention is:
The present invention utilizes waste or used plastics fully, comprises the plastic packaging bag that contains papery.Can be with the obsolete plastics of other plastic products, as head, die head material, the first-class raw material of wood products is moulded in conducts such as the milk bag that paper synthesizes, beverage bag, paper-plastic package bag.
Do not use wood-fibred, use agronomic crop fibre.
What carry out is pressing process, owing to add glass fibre in the pressing process, so it is the product area is big, intensity is high, dimensional stability is good, belong to the reinforcement product, of many uses.
The specific embodiment
Embodiment 1
With 30 parts of agronomic crop fibres, described agronomic crop fibre comprises various agricultural crop straws, as wood powder, peanut shell, beans bar, cotton bar etc.; 70 parts of waste or used plastics, described waste or used plastics comprises various waste or used plastics, comprises the obsolete plastics of other plastic products, as head, die head material, the milk bag that paper synthesizes, beverage bag, paper-plastic package bag etc.; Paraffin is that wetting agent, stearate analog assistant are 1 part of interior profit agent; 1 part of silane coupled, crosslinking agent, 2 parts of the general ultra-violet absorbers of 10 parts of bromo fire retardants and plastics, 2 parts in the general age resistor of plastics are rendered to mixer after described material mixed and are carried out combination drying, and baking temperature 80 degree, 15 minutes time, pressure is normal pressure; Enter extruder and produce and mould wooden particle, it is 3: 1 that compression ratio is extruded in granulation, and particle diameter is 2mm; With mould wooden particle put into spreading machine configure framed in mat formation, the sheet material width of mating formation is 500mm, length is 4000mm, adds glass fibre 1-3 layer in the pavement process material is carried out reinforcement; The material that paves is moved into hot press carry out hot pressing slaking, thermal pressure 25mpa/cm
2, temperature 200 degree; Cooling and shaping is carried out in slaking back immigration hydraulic press well, and hydraulic press feeds normal temperature cold water and cools off.
Embodiment 2
90 parts of agronomic crop fibres, described agronomic crop fibre comprises various agricultural crop straws, as wood powder, peanut shell, beans bar, cotton bar etc.; 10 parts of waste or used plastics, described waste or used plastics comprises various waste or used plastics, comprises the obsolete plastics of other plastic products, as head, die head material, the milk bag that paper synthesizes, beverage bag, paper-plastic package bag etc.; Profit agent, stearic acid wetting agent are 10 parts in the stearate analog assistant; 10 parts of the coupling of peptide ester acid assistant, crosslinking agents, 2 parts of the general ultra-violet absorbers of 20 parts of hydrated aluminium fire retardants and plastics, 2 parts in the general age resistor of plastics, carry out combination drying with rendering to mixer after the described material mixing, baking temperature 100 degree, 10 minutes time, pressure is normal pressure; Enter extruder and produce and mould wooden particle, it is 3: 1 that compression ratio is extruded in granulation, and particle diameter is 6mm; With mould wooden particle put into spreading machine configure framed in mat formation, the sheet material width of mating formation is 2000mm, length is 2000mm, adds glass fibre 1-3 layer in the pavement process material is carried out reinforcement; The material that paves is moved into hot press carry out hot pressing slaking, thermal pressure 25mpa/cm
2, temperature 200-250 degree; Cooling and shaping is carried out in slaking back immigration hydraulic press well, and hydraulic press feeds normal temperature cold water and cools off.Stereotyped sheet material is cut burr, carry out sanding, the sheet material after the sanding is put in storage.So far have that area is big, density is high, intensity is high, nonpoisonous and tasteless, formaldehydeless, waterproof and dampproof, ageing-resistant, sound-insulating and heat-insulating, acid-fast alkali-proof, insulation, fire-retardant basic sheet material just formed, the wide 2000mm of this sheet material, long 2000mm, according to the market demand, basic sheet material can be sprayed, technical finesse such as transfer printing, veneer, make it more attractive in appearance.
The embodiment of the invention 1 and embodiment 2 products are pressed GB/T17657-1999 and are detected, and Main physical mechanical property peak is: density 1.18g/cm
3, 24h water absorption rate 0.2%, hardness 120mpa, compression strength 26.5mpa, tensile strength 5.8mpa, vertical panel face nail-holding ability 2040N, MOR 32.4pma, impact strength 41.8k/m3, burst size of methanal is not measured.The high 2-8 of hardness ratio timber times, wear-resisting high 4-5 times, every mechanics index of physics all substantially exceeds timber and collose condensation material.
The present invention is not limited to above-mentioned preferred forms, and other any identical with the present invention or akin products that anyone draws under enlightenment of the present invention all drop within protection scope of the present invention.
Claims (2)
1, a kind of preparation method of plastic wood sheet, this plastic wood sheet is by agronomic crop fibre 30-90 part, waste and old regenerated plastics 10-70 part, interior profit, wetting agent 1-10 part, coupling, crosslinking agent 1-10 part, fire retardant 10-20 part, and an amount of ultra-violet absorber, age resistor mix the sheet material that compacting forms, it is characterized in that: render to mixer after described material is mixed and carry out combination drying, baking temperature 80-100 degree, time 10-15 minute, pressure is normal pressure; Enter extruder and produce and mould wooden particle, it is 3: 1 that compression ratio is extruded in granulation, and particle diameter is 2-6mm; With mould wooden particle put into spreading machine configure framed in mat formation, add glass fibre 1-3 layer in the pavement process material carried out reinforcement; The material that paves is moved into hot press carry out hot pressing slaking, thermal pressure 25mpa/cm
2, temperature 200-250 degree; Cooling and shaping is carried out in slaking back immigration hydraulic press well, and hydraulic press feeds normal temperature cold water and cools off.
2, preparation method as claimed in claim 1 is characterized in that, also comprises stereotyped sheet material is cut burr, sanding step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101276940A CN100560314C (en) | 2006-09-07 | 2006-09-07 | A kind of preparation method of plastic wood sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101276940A CN100560314C (en) | 2006-09-07 | 2006-09-07 | A kind of preparation method of plastic wood sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1912299A CN1912299A (en) | 2007-02-14 |
| CN100560314C true CN100560314C (en) | 2009-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101276940A Expired - Fee Related CN100560314C (en) | 2006-09-07 | 2006-09-07 | A kind of preparation method of plastic wood sheet |
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| CN (1) | CN100560314C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2155485B1 (en) * | 2007-04-10 | 2019-06-12 | Unilin, BVBA | Method and apparatus for manufacturing laminate floor panels comprising a core containing wood/plastic composite, as well as such panels |
| CN102454310A (en) * | 2010-10-27 | 2012-05-16 | 鄂志阳 | Environment-friendly energy-saving cold storage |
| CN102198687B (en) * | 2011-03-29 | 2013-05-08 | 南京航空航天大学 | Method for enhancing wood-plastic composite material |
| CN102408737B (en) * | 2011-07-28 | 2013-11-27 | 深圳市格林美高新技术股份有限公司 | Cotton stalk reinforced plastic-wood product and preparation method thereof |
| CN103374218A (en) * | 2012-04-28 | 2013-10-30 | 滁州格美特科技有限公司 | Polyurethane composite material and preparation method and application thereof |
| CN102993760B (en) * | 2012-12-03 | 2015-08-12 | 汕头市欣源低碳木业有限公司 | The making method of a kind of high temperature resistant composite wood-plastic material and high temperature-resistant compound wood-plastic |
| CN106049743B (en) * | 2016-05-25 | 2018-08-21 | 东南大学 | A method of preparing wood moulding prefabricated board |
| CN107160530A (en) * | 2017-07-15 | 2017-09-15 | 芜湖乾凯材料科技有限公司 | High strength fiberboard and preparation method thereof |
| CN109707283A (en) * | 2017-10-25 | 2019-05-03 | 江苏凤凰木业有限公司 | A kind of low-density Combined wooden door |
| CN116082748A (en) * | 2022-12-28 | 2023-05-09 | 上海良延环保科技发展有限公司 | Environment-friendly recycled plastic sound insulation board and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104938A (en) * | 1986-08-05 | 1988-02-17 | 李宗奎 | Technology of moulded products of plasticized fibre |
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2006
- 2006-09-07 CN CNB2006101276940A patent/CN100560314C/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86104938A (en) * | 1986-08-05 | 1988-02-17 | 李宗奎 | Technology of moulded products of plasticized fibre |
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| CN1912299A (en) | 2007-02-14 |
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Granted publication date: 20091118 Termination date: 20130907 |