CN103923478A - Corn stalk epidermal fiber wood plastic board and production method thereof - Google Patents
Corn stalk epidermal fiber wood plastic board and production method thereof Download PDFInfo
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- CN103923478A CN103923478A CN201410174208.5A CN201410174208A CN103923478A CN 103923478 A CN103923478 A CN 103923478A CN 201410174208 A CN201410174208 A CN 201410174208A CN 103923478 A CN103923478 A CN 103923478A
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- corn stalk
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Abstract
The invention discloses a corn stalk epidermal fiber wood plastic board and a production method thereof. The board is characterized by being prepared from the following raw materials by weight percent: high density polyethylene, corn stalk epidermal fiber powder, wood powder, nano calcium carbonate, a lubricant, an antioxidant, a solvent and a coupling agent through steps of preparing a die head of the board, extruding by a double-screw extruder, shaping under pressure, and finishing and checking. According to the corn stalk epidermal fiber wood plastic board and the production method thereof, most sugar of the corn stalk is removed, the epidermal fiber powder is degreased, the corn stalk epidermal fiber powder is adopted for volume production, so that the corn stalk epidermal fiber powder does not lower the production quality of the wood plastic board when being added into the wood plastic board, but can greatly lower the production cost of the wood plastic board; furthermore, the production method fully uses local corn stalk resource, thus having both business economic benefits and social benefits; the corn stalk epidermal fiber powder is separately degreased at low temperature, and then is mixed and extruded rapidly in short time, so that the quality of the molded board is guaranteed.
Description
Technical field
The present invention relates to a kind of wood and mould the improvement of plate and production method thereof, specifically a kind of production cost that can reduce wood and mould plate, the corn stalk hide fiber wood that can make full use of again local corn stalk resource is moulded plate and production method thereof.
Background technology
Wood is moulded plate and is had good elasticity, and has the resistance to compression suitable with hardwood, counter-bending mechanical property, hardness be timber 2-5 doubly, antiacid alkali, water-fast, internal corrosion, do not breed entomogenous fungi, environmental protection, long service life; By adding auxiliary agent, can also anti-aging, anti-electrostatic, fire-retardant.So wood is moulded plate and is widely used.Current wood is moulded plate main raw material: wood powder 50%, high density polyethylene(HDPE) 25-30%, nano calcium oxide 10%.This wood is moulded plate, because the wood powder ratio adding is high, has caused tooling cost high.In order to reduce the consumption of wood powder, known by retrieving, what have has added chaff shell, straw, stalk, W-Gum etc., but described stalk only has wheat, rice crops stalk to realize the production of wood-based plate, and maize straw, owing to comprising crust, core flesh and leaf, core flesh accounts for 30%, be rich in sugar, frangible in making sheet process, intensity is low, viscosity is large, can not be used for the production that wood is moulded plate by forcing machine; For corn stalk crust, formed by Mierocrystalline cellulose and xylogen, cellulose 44.6%, have that intensity is high, the feature of good toughness, but because its epidermal area is keratinization, secretion has fatty substance, forms smooth surface, the gummed of impact and hot melt plastic feed liquid, so can not be used for the production that wood is moulded plate by forcing machine; , due to the Mierocrystalline cellulose of corn stalk crust with the suitability for industrialized production difficulty of xylogen is large, production cost is high, mould in the production of plate so be also difficult to be applied to wood, even if lab scale success is also difficult to reach and reduces the object that wood is moulded plate production cost meanwhile.
Along with the development of cities and towns economic integration, small towns has also started to enable gas engineering, vast farmers also will use Sweet natural gas, make a fire epoch of cooking of corn stalk are about in the past, the utilization of a large amount of corn stalk will become a social concern, therefore, the application of developing corn stalk will be an important and significant project.At present, there is not yet corn stalk hide fiber is moulded to the production of plate, also can be reached and reduce the wooden report of the method for plate production cost of moulding for wood.
Summary of the invention
The object of the present invention is to provide a kind of production cost that can reduce wood and mould plate, the corn stalk hide fiber wood that can make full use of again local corn stalk resource is moulded plate and production method thereof.
In order to reach above object, the technical solution adopted in the present invention is: this corn stalk hide fiber wood is moulded plate, it is characterized in that: it is made up by extruding of the raw material of following weight percent:
High density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-15%;
Lubricant 0.5-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
The present invention also implements by following measure: the producing of described corn stalk hide fiber powder, first the root of corn stalk and part more than corn ear hand hay cutter are gone, send into again in special hermetically sealed rotating cylinder, in hermetically sealed rotating cylinder, crumple through rotating, divest leaf of Semen Maydis, immediately the leaf of Semen Maydis divesting is blown in negative pressure absorbing cylinder by blower fan, the corn stalk that divests leaf continues operation forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 25-50mm, and rubbing, make corn stalk become short silk and maize stalk flesh powder, short filament length degree is 10-50 orders, maize stalk flesh powder is through the netted micropore of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, have 70% to be entered in negative pressure absorbing cylinder, because maize stalk flesh powder sugar degree is the highest, so, by removing most of maize stalk flesh powder, just removed most of sugar degree of corn stalk, the sugar degree of remaining corn stalk hide fiber powder and 30% maize stalk flesh powder is just little, like this, cause tough problem with regard to substantially having overcome sugary height, for the production that corn stalk hide fiber is moulded to plate for wood provides possibility, due to producing in hermetically sealed, procedure, production in enormous quantities of corn stalk hide fiber, so also reached the object of producing in enormous quantities, also just realize and reduced the object that wood is moulded plate production cost.
In addition, the output terminal access dedusting pond of the negative pressure absorbing cylinder of hermetically sealed rotating cylinder, by dedusting pond absorbent core flesh powder and other floating dust thing, also produces raw material as fertilizer, is not described in detail herein.Concrete structure for special hermetically sealed rotating cylinder wouldn't openly be recorded.
Described lubricant is the one in stearic acid or polyethylene wax.
Described oxidation inhibitor is the one in 2,6 di tert butyl 4 methyl phenol or three-(2,4-tert-butyl-phenyl) phosphorous acid ester.
Described solvent is ethanol.
Described coupling agent is the one in silane coupling agent or titanate coupling agent.
In this proportioning, add a small amount of solvent (ethanol), become slightly acidic, object is by rice straw hide fiber powder cutin softening, is conducive to glue together with high density polyethylene(HDPE).
Corn stalk hide fiber wood is moulded plate producing process, and its production stage comprises:
One, prepare enough with raw material by mixing ratio is disposable in batches according to board materials production: its weight proportion is: high density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-12%;
Lubricant 0.4-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
Wherein: wood powder is buying; Corn stalk hide fiber powder is produced with home-built equipment; Other fillers are buying.
Two, prepare plate die head: the wood of producing is at present moulded plate and comprised that wood-plastic floor board, wood moulds square tube, therefore, well in advance wood-plastic floor board, wood to mould the molding die of square tube.
Three, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add solvent, heating and temperature control is at 70-80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature is controlled at 160-180 DEG C; In batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate blend, and add lubricant, oxidation inhibitor, coupling agent, temperature is controlled at 180-190 DEG C; Then from extrusion die extrusion moulding blank
Four, pressure shaping: extrusion moulding blank is sent under hot state in the flat plate mold in the pressing machine of 150-180 tonnages or the moulding in 3-5 minutes of pressurizeing in square tube mould, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. tested and repair, eligible warehouse-in.
Beneficial effect of the present invention is: this corn stalk hide fiber wood is moulded plate and production method thereof, due to large the sugar degree of corn stalk portion is removed, epidermin powder has been carried out to degreasing, adopted the mass production processes of corn stalk hide fiber powder simultaneously, so, add wood to mould the quality of production that plate can not reduce wood and moulds plate in producing, and wood can significantly be reduced mould the production cost of plate, make full use of again local corn stalk resource, both there is Business Economic Benefit, there is again social benefit; Owing to adopting twin screw technique, low-temperature defatted first separately to corn stalk epidermin powder, can prevent high-temperature-coked, then extrude with the high density polyethylene(HDPE) short period of time short mix of the high temperature output of another screw rod, so ensured the quality of sheet forming.
Embodiment
Embodiment 1
In our company, introduce wood and mould plate production line, develop voluntarily corn stalk hide fiber powder batch production equipment.Produce 1 ton of corn stalk hide fiber wood-plastic floor board as a trial.Take each raw material by following weight percent:
High density polyethylene(HDPE) 25%; 250kg
Corn stalk hide fiber powder 32.5%; 325 kg
Wood powder 27.5%; 275 kg
Nano-calcium carbonate 11%; 110 kg
Stearic acid 1.2%; 12 kg
2,6 di tert butyl 4 methyl phenol 1.8% 18 kg
Ethanol 0.7%; 7 kg
Silane coupling agent 0.3%.3?kg
Producing of described corn stalk hide fiber powder, first the root of corn stalk and part more than corn ear hand hay cutter are gone, then send in special hermetically sealed rotating cylinder, in hermetically sealed rotating cylinder, crumple through rotating, divest leaf of Semen Maydis, immediately the leaf of Semen Maydis divesting is blown in absorbing barrel by blower fan, the corn stalk that divests leaf continues operation forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 30mm, and rubbing, make corn stalk become short silk and maize stalk flesh powder, short filament length degree is 25 orders, maize stalk flesh powder is through the netted micropore of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, have 70% to be entered in absorbing barrel, because maize stalk flesh powder sugar degree is the highest, so, by removing most of maize stalk powder, remove most of sugar degree of corn stalk, the sugar degree of remaining corn stalk epidermis fibre powder and 30% maize stalk flesh powder is just little, like this, cause tough problem with regard to substantially having overcome sugary height, for the production that fine corn stalk skin powder is moulded to plate for wood provides possibility, due to producing in hermetically sealed, procedure, production in enormous quantities of corn stalk hide fiber powder, so also reached the object of producing in enormous quantities, also just realize and reduced the object that wood is moulded plate production cost.
Its production stage is: one, preparation timber floor die head: be flat board, and the horizontal wide 10cm of die head mouth, vertically thick is 2cm.
Two, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add ethanol, heating and temperature control is at 75 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature is controlled at 170 DEG C; In batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate blend, and add stearic acid, 2,6 di tert butyl 4 methyl phenol, silane coupling agent, temperature to be controlled at 185 DEG C; Then from extrusion die extrusion moulding floor blank.
Three, pressure shaping: extrusion moulding floor blank is sent under hot state in the flat plate mold in the pressing machine of 160 tonnages or the moulding in 4 minutes of pressurizeing in square tube mould, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. tested and repair, and qualification rate is 90%, warehouse-in.
Embodiment 2
In our company, introduce wood and mould plate production line, develop voluntarily corn stalk hide fiber powder batch production equipment.Produce 1 ton of corn stalk hide fiber wood as a trial and mould square tube.Take each raw material by following weight percent,
High density polyethylene(HDPE) 28%; 280kg
Corn stalk hide fiber powder 29%; 290kg
Wood powder 29.5%; 295 kg
Nano-calcium carbonate 10%; 100 kg
Polyethylene wax 2%; 20kg
Three-(2,4-tert-butyl-phenyl) phosphorous acid ester 0.4% 4kg
Ethanol 1%; 10kg
Titanate coupling agent 0.1%.1kg
Described corn stalk hide fiber powder produce same embodiment 1.
Its production stage is: one, preparation square tube die head: die head comprises square core rod and square sleeve pipe, the section length of side of square core rod is 40cm, the inner chamber section length of side of square sleeve pipe is 44cm, square core rod is fixed on the central position of square sleeve pipe, makes the outer wall of square core rod form uniform square runner between the inwall of square sleeve pipe.
Two, select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add ethanol, 80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature is controlled at 180 DEG C; In batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate blend, and add polyethylene wax, three-(2,4-tert-butyl-phenyl) phosphorous acid ester and titanate coupling agent, temperature is controlled at 190 DEG C; Then from extrusion die extrusion moulding square tube blank.
Three, pressure shaping: extrusion moulding floor blank is sent under hot state to the moulding in 4 minutes of pressurizeing in the square tube mould in the pressing machine of 160 tonnages, air-cooled after the demoulding.
Five, finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. tested and repair, and qualification rate is 95%, warehouse-in.
Embodiment 3
In our company, introduce wood and mould plate production line, develop voluntarily corn stalk hide fiber powder batch production equipment.Produce 1 ton of corn stalk hide fiber wood-plastic floor board as a trial.Take each raw material by following weight percent,
High density polyethylene(HDPE) 23.6%; 236kg
Corn stalk hide fiber powder 35%; 350kg
Wood powder 25%; 250kg
Nano-calcium carbonate 12%; 120 kg
Polyethylene wax 0.4%; 4kg
Three-(2,4-tert-butyl-phenyl) phosphorous acid ester 3% 30kg
Ethanol 0.5%; 5kg
Titanate coupling agent 0.5%.5kg
Described corn stalk hide fiber powder produce same embodiment 1.
Its production stage is with embodiment 1.
Check and accept through finishing, qualification rate is 94%, warehouse-in.
Claims (4)
1. corn stalk hide fiber wood is moulded plate, it is characterized in that: it is made up by extruding of the raw material of following weight percent:
High density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-15%;
Lubricant 0.5-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%.
2. corn stalk hide fiber wood according to claim 1 is moulded plate, it is characterized in that: the producing of described corn stalk hide fiber powder, first the root of corn stalk and part more than corn ear hand hay cutter are gone, send into again in special hermetically sealed rotating cylinder, in hermetically sealed rotating cylinder, crumple through rotating, divest leaf of Semen Maydis, immediately the leaf of Semen Maydis divesting is blown in negative pressure absorbing cylinder by blower fan; The corn stalk that divests leaf continues operation forward in hermetically sealed rotating cylinder, enter rotary-cut section, in rotary-cut section, corn stalk is cut into the length of 25-50mm, and rubbing, make corn stalk become short silk and maize stalk flesh powder, short filament length degree is 10-50 orders, maize stalk flesh powder, through the netted micropore of rotary-cut section outer wall, under the acting in conjunction of centrifugal force and suction, has 70% to be entered in negative pressure absorbing cylinder, by removing most of maize stalk flesh powder, just remove most of sugar degree of corn stalk.
3. corn stalk hide fiber wood according to claim 1 is moulded plate, it is characterized in that: described lubricant is the one in stearic acid or polyethylene wax; Described oxidation inhibitor is the one in 2,6 di tert butyl 4 methyl phenol or three-(2,4-tert-butyl-phenyl) phosphorous acid ester; Described solvent is ethanol; Described coupling agent is the one in silane coupling agent or titanate coupling agent.
4. corn stalk hide fiber wood is moulded plate producing process, it is characterized in that: its production stage comprises:
(1), prepare enough with raw material by mixing ratio is disposable in batches according to board materials production: its weight proportion is: high density polyethylene(HDPE) 22-28%;
Corn stalk hide fiber powder 30-35%;
Wood powder 25-30%;
Nano-calcium carbonate 10-12%;
Lubricant 0.4-2%;
Oxidation inhibitor 0.5-3%
Solvent 0.5-1%;
Coupling agent 0.1-0.5%;
(2), prepare plate die head: the wood of producing is at present moulded plate and comprised that wood-plastic floor board, wood moulds square tube, therefore, well in advance wood-plastic floor board, wood to mould the molding die of square tube;
(3), select twin screw extruder: adopt twin screw extruder, the end that confluxes of two twin screw extruders is provided with batch mixing extruding zone, at the extrusion of batch mixing extruding zone, extrusion die is installed; A Screw Extrusion corn stalk hide fiber powder, and add solvent, heating and temperature control is at 70-80 DEG C; Another root Screw Extrusion high density polyethylene(HDPE), wood powder, nano-calcium carbonate, temperature is controlled at 160-180 DEG C; In batch mixing extruding zone corn stalk hide fiber powder and high density polyethylene(HDPE), wood powder, nano-calcium carbonate blend, and add lubricant, oxidation inhibitor, coupling agent, temperature is controlled at 180-190 DEG C; Then from extrusion die extrusion moulding blank;
(4), pressure shaping: extrusion moulding blank is sent under hot state in the flat plate mold in the pressing machine of 150-180 tonnages or the moulding in 3-5 minutes of pressurizeing in square tube mould, air-cooled after the demoulding;
(5), finishing is checked and accepted: to cooled sizing finished product, surface finish, periphery facade planeness, dimensional standard, degree of compactness, fracture, tear etc. tested and repair, eligible warehouse-in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410174208.5A CN103923478B (en) | 2014-04-29 | 2014-04-29 | Corn stalk hide fiber wood moulds plate and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410174208.5A CN103923478B (en) | 2014-04-29 | 2014-04-29 | Corn stalk hide fiber wood moulds plate and production method thereof |
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| CN103923478A true CN103923478A (en) | 2014-07-16 |
| CN103923478B CN103923478B (en) | 2016-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865712A (en) * | 2017-03-15 | 2017-06-20 | 中国石油集团渤海石油装备制造有限公司 | A kind of dehydration treatment method of waste water-base drilling liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204824A (en) * | 2007-12-04 | 2008-06-25 | 中国林业科学研究院木材工业研究所 | Wood model compound products and its preparation method |
| CN101629022A (en) * | 2009-08-14 | 2010-01-20 | 东北林业大学 | Aramid fiber enhanced wood-plastic composite material and preparation method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN101791814A (en) * | 2010-03-09 | 2010-08-04 | 孙竹营 | Maize straw skin-stalk separator |
-
2014
- 2014-04-29 CN CN201410174208.5A patent/CN103923478B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101204824A (en) * | 2007-12-04 | 2008-06-25 | 中国林业科学研究院木材工业研究所 | Wood model compound products and its preparation method |
| CN101629022A (en) * | 2009-08-14 | 2010-01-20 | 东北林业大学 | Aramid fiber enhanced wood-plastic composite material and preparation method thereof |
| CN101787167A (en) * | 2010-02-26 | 2010-07-28 | 华南师范大学 | High-performance antibiosis wood plastic composite material and preparation method thereof |
| CN101791814A (en) * | 2010-03-09 | 2010-08-04 | 孙竹营 | Maize straw skin-stalk separator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865712A (en) * | 2017-03-15 | 2017-06-20 | 中国石油集团渤海石油装备制造有限公司 | A kind of dehydration treatment method of waste water-base drilling liquid |
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| CN103923478B (en) | 2016-03-16 |
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Owner name: LAIWU APOLLO WOOD-PLASTIC COMPOSITES CO., LTD. Free format text: FORMER OWNER: SHANDONG XUSEN WOOD-PLASTIC COMPOSITES CO., LTD. Effective date: 20150409 |
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Effective date of registration: 20150409 Address after: 271114 Shandong city of Laiwu Province town Laicheng Industrial Zone million Cheung Road Applicant after: SHANDONG XUSEN WPC CO., LTD. Address before: The town of Sheung Shui River Village 271114 Shandong province Laiwu City Laicheng District Applicant before: SHANDONG XUSEN WPC CO., LTD. |
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Inventor after: Zhao Zhenyue Inventor after: Liu Xin Inventor after: Sun Gang Inventor after: Gao Zhongjiang Inventor after: Zhou Liqiang Inventor after: Zhang Caixia Inventor after: Lv Qingxiu Inventor before: Zhao Zhenyue Inventor before: Liu Xin Inventor before: Sun Gang Inventor before: Gao Zhongjiang Inventor before: Zhou Liqiang |
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