CN102532661A - Natural fiber filled polyethylene composite material and preparation method thereof - Google Patents
Natural fiber filled polyethylene composite material and preparation method thereof Download PDFInfo
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- CN102532661A CN102532661A CN2011104394282A CN201110439428A CN102532661A CN 102532661 A CN102532661 A CN 102532661A CN 2011104394282 A CN2011104394282 A CN 2011104394282A CN 201110439428 A CN201110439428 A CN 201110439428A CN 102532661 A CN102532661 A CN 102532661A
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- natural fiber
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- polyethylene material
- composite polyethylene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
- B29C48/405—Intermeshing co-rotating screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a natural fiber filled polyethylene composite material and a preparation method thereof. The natural fiber filled polyethylene composite material comprises the following components by weight percent: 20-50% of high density polyethylene, 40-70% of natural fiber powder, 1-6% of fatty acid polyethylenimine condensation product, 1-15% of inorganic mineral filler and 1-6% of lubricating agent. The preparation method comprises the following steps: adding weighed natural fiber powder particles into a high-speed mixer, and stirring for 20-30 minutes at the speed of 2000r/min (revolutions per minute); adding other components in proportion, mutually mixing and stirring for 10-20 minutes, and then adding the mixture into a homodromous and parallel two-screw extruder; and pelleting to obtain the particles of the natural fiber filled polyethylene composite material. By using the preparation method, the defects that a common WPC (wood plastic composite) material is poor in mechanical property and poor in humidity resistance are solved.
Description
Technical field
The present invention relates to the polymer composite technology of preparing, especially a kind of high-performance natural fiber filled composite polyethylene material and preparation method.
Background technology
In recent years the one type of advanced composite material that is surging forward both at home and abroad; By Vilaterm, Vestolen PP 7052 and SE etc.; Replace common resin adhesive; Be mixed into new wood materials with useless vegetable fibres such as surpassing wood powder 50% or more, rice husk, stalk, again through plastic processings such as extruding, mold pressing, injection moldings, the wood plastic composite section bar of producing (abbreviation WPC).WPC has raw material variation, product environmental protectionization, uses five big characteristics such as economization and the low carbonization of regeneration, is the ideal material of " material-saving lumbering ".WPC not only possesses many advantages of plastics and timber, also possesses other new features simultaneously, such as: good processing properties, good strength property, good adjustable can, have water-fast, corrosion resistant performance, advantages such as long service life; In every field purposes is widely arranged.
Because the poly feature of environmental protection and weathering resistance are more excellent, the more plastic matrixs that adopt Vilaterm as WPC of most of manufacturer more.Along with the expansion of WPC material Application Areas, increasingly high to the mechanical property requirements of WPC.The key that improves the WPC mechanical property is to solve compatibility problem between polarity natural fiber and the non-polar polyolefinic.U.S. Pat 7041716, US7348371, US7781500, US20110071237 propose to add maleic anhydride graft polyolefine (MAH-g-HDPE or MAH-g-PP) and improve the consistency between natural fiber and the polyolefine, improve the mechanical property of WPC.
Yet maleic anhydride graft polyolefine rate of vaccination low (rate of vaccination is lower than 2%); Fusing point is high, and melt viscosity is big, is difficult to be penetrated in the natural fiber; Easy simultaneously and stearate soap salt series lubricant agent reaction was lost efficacy; Therefore its compatible facilitation effect is limited, is difficult to obtain the WPC material of desirable mechanical property, thereby has limited the application of WPC material.
Summary of the invention
To the defective of above-mentioned WPC poor mechanical property, the present invention provides a kind of natural fiber-filled composite polyethylene material, and the composition of said natural fiber-filled composite polyethylene material comprises:
The high density polyethylene(HDPE) of 20-50%;
The natural fiber powder of 40-70%;
The fatty acid polyethylene imines condenses of 1-6%;
The inorganic mineral filler of 1-15%;
The lubricant of 1-6%.
Said high density polyethylene(HDPE) is the combination of virgin material, reclaimed materials or said virgin material and reclaimed materials, and said high density polyethylene(HDPE) melting index is less than 10, and preferably its melting index is less than 5; Said high density polyethylene(HDPE) preferable amount is the 30-40% weight ratio.
Said natural fiber is that wood powder, bamboo powder, rice wheat husk powder or said is any combination of wood powder, said bamboo powder and said rice wheat husk powder; The particle diameter of said natural fiber powder is the 40-200 order, and preferable particle size is the 80-120 order; Said natural fiber powder preferable amount is the 30-40% weight ratio.
Said fatty acid polyethylene imines condenses (m-PEI) is the condenses of lipid acid and polymine dehydration reaction formation at a certain temperature, its schematic construction formula
Wherein R is (CH
2)
n-, n=10-25 is preferably n=12-20; M is 20-200, is preferably; M=50-100, m-PEI preferable amount in said matrix material is the 2-4% weight ratio.
Said inorganic mineral filler is lime carbonate, talcum powder, tripoli, kaolin, mica or wherein a kind of or combination that it is multiple; Said inorganic mineral filler preferable amount is the 5-10% weight ratio.
Said lubricant is any combination of Zinic stearas, calcium stearate, ethylene bis stearamide, stearylamide or said Zinic stearas, said calcium stearate, said ethylene bis stearamide and said stearylamide; Said lubricant preferable amount is the 2-4% weight ratio.
The present invention also proposes a kind of natural fiber-filled composite polyethylene material preparation method, said method comprising the steps of:
A kind of natural fiber-filled composite polyethylene material preparation method is characterized in that: said method comprising the steps of:
Step 1: measure the weight of said natural fiber powder grain, and drop into high-speed mixer, stirred 20-30 minute in 2000r/min speed;
Step 2: add other compositions in proportion, mix each other and stirred 10-20 minute, drop into the cocurrent and parallel twin screw extruder then;
Step 3: carry out granulation, from said cocurrent and parallel twin screw extruder, extrude, obtain the material of natural fiber-filled composite polyethylene material.
Said step 3 gained material is a pellet.
The scope of whipping temp T1 in the said step 1 is: 100 ℃≤T1≤120 ℃.
The scope of prilling temperature T2 in the said step 3 is: 160 ℃≤T2≤180 ℃.
According to improvement project of the present invention, the main beneficial effect of the present invention has:
It is that natural fiber powder and interpolation auxiliary agent are mixed by certain proportioning that the present invention obtains natural fiber-filled composite polyethylene material method, and process is mediated, granulation, and is extruded by conical screw, final cooling forming.Natural fiber-filled composite polyethylene material good processability with this method obtains has with the similar processing characteristics of timber, can saw, can follow closely, can dig, and use carpenter's utensil to accomplish, and nail-holding ability obviously is superior to other synthetic materialss.Mechanical property is superior to wood materials; In addition, intensity is high, because including fiber and warp and plastics thorough mixing, thereby have the resistance to compression suitable with hardwood, physical and mechanical properties such as counter-bending, and its wearing quality obviously is superior to the normal wood material; Adjustable can be good, and through auxiliary agent, changes such as polymerization, foaming, curing, modification can take place plastics, thereby change the characteristics such as density, intensity of Wood-plastic material, can also reach anti-aging, anti-electrostatic, particular requirement such as fire-retardant; Its great advantage turns waste into wealth exactly, and utilization ratio is high also can produce in 100% reclaiming; Can decompose, can not cause " white pollution ", be real Green Product.
Embodiment
The present invention provides a kind of natural fiber-filled composite polyethylene material, and the composition of said natural fiber-filled composite polyethylene material comprises:
The 20-50% weight ratio gets high density polyethylene(HDPE);
The natural fiber powder of 40-70% weight ratio;
The fatty acid polyethylene imines condenses of 1-6% weight ratio;
The inorganic mineral filler of 1-15% weight ratio;
The lubricant of 1-6% weight ratio
Said high density polyethylene(HDPE) is the combination of virgin material, reclaimed materials or said virgin material and reclaimed materials, and said high density polyethylene(HDPE) melting index is less than 10, and preferably its melting index is less than 5; Said high density polyethylene(HDPE) preferable amount is the 30-40% weight ratio.
Said natural fiber is that wood powder, bamboo powder, rice wheat husk powder or said is any combination of wood powder, said bamboo powder and said rice wheat husk powder; The particle diameter of said natural fiber powder is the 40-200 order, and preferable particle size is the 80-120 order; Said natural fiber powder preferable amount is the 30-40% weight ratio.
Said fatty acid polyethylene imines condenses (m-PEI) is the condenses of lipid acid and polymine dehydration reaction formation at a certain temperature, its schematic construction formula
Wherein R is (CH
2)
n-, n=10-25 is preferably n=12-20; M is 20-200, is preferably; M=50-100, m-PEI preferable amount in said matrix material is the 2-4% weight ratio.
The m-PEI fusing point is low, and melt viscosity is little, is penetrated into easily in the fiber powder, and higher reaction vigor is arranged, can with hydroxyl reaction and the crosslinking polymerization in the Mierocrystalline cellulose, fully contact; M-PEI contains long carbochain hydrophobic group and a large amount of activity-NH groups; Its active NH group can with hydroxyl reaction in the natural fiber powder, effectively seal strong polarity hydroxyl, and long carbochain hydrophobic group can infiltrate and becomes entangled in the Vilaterm matrix; Thereby greatly improve the interface of pole filter and non-polar plastic matrix; Strengthened the bonding at interface, promoted the homodisperse of fiber powder, made melt have better flowability at the Vilaterm matrix; Improve melt elasticity and melt strength, thereby strengthened the mechanical property and the humidity resistance of matrix material.
Said inorganic mineral filler is lime carbonate, talcum powder, tripoli, kaolin, mica or wherein a kind of or combination that it is multiple; Said inorganic mineral filler preferable amount is the 5-10% weight ratio.
Said lubricant is any combination of Zinic stearas, calcium stearate, ethylene bis stearamide, stearylamide or said Zinic stearas, said calcium stearate, said ethylene bis stearamide and said stearylamide; Said lubricant preferable amount is the 2-4% weight ratio.
The present invention also proposes a kind of natural fiber-filled composite polyethylene material preparation method, said method comprising the steps of:
Step 1: measure the weight of said natural fiber powder grain, and drop into high-speed mixer, stirred 20-30 minute in 2000r/min speed;
Step 2: add other compositions in proportion, mix each other and stirred 10-20 minute, drop into the cocurrent and parallel twin screw extruder then;
Step 3: carry out granulation, from said cocurrent and parallel twin screw extruder, extrude, obtain the material of natural fiber-filled composite polyethylene material.
Said step 3 gained material is a pellet.
The scope of whipping temp T1 in the said step 1 is: 100 ℃≤T1≤120 ℃.
The scope of prilling temperature T2 in the said step 3 is: 160 ℃≤T2≤180 ℃.
Embodiment one:
Step 1: measure, natural natural fiber powder wood powder grain (80 order) the input high-speed mixer with metering is heated to 100-120 ℃, stirs 20-30 minute in 2000r/min speed;
Step 2: add high-density high density polyethylene(HDPE) (MI=3), lime carbonate, Triple Pressed Stearic Acid-PEI condenses
Zinic stearas and EBSwax in proportion; It is 30% weight ratio, 6% weight ratio, 1.5% weight ratio, 1.5% weight ratio and 1% weight ratio that said preferable amount is respectively; Both mixed each other and stirred 10-20 minute, dropped into the cocurrent and parallel twin screw extruder mixing the finished product that stirs after accomplishing;
Step 3: carry out granulation, this moment is temperature required to be at 160-180 ℃, under this temperature condition, obtains the pellet of natural fiber-filled composite polyethylene material.
Said step 3 gained pellet goes out through the conical screw extruding, can be made into the section bar product of different shape.
Embodiment two:
Step 1: measure, natural natural fiber powder bamboo powder (100 order) the input high-speed mixer with metering is heated to 100-120 ℃ in 2000r/min speed stirring 20-30 minute;
Step 2: add high-density high density polyethylene(HDPE) (MI=5), talcum powder, LAURIC ACID 99 MIN-PEI condenses
Zinic stearas and EBSwax in proportion; It is 25% weight ratio, 5% weight ratio, 2.5% weight ratio, 1.5% and weight ratio 1% weight ratio that said preferable amount is respectively; Both mixed each other and stirred 10-20 minute, dropped into the cocurrent and parallel twin screw extruder mixing the finished product that stirs after accomplishing;
Step 3: carry out granulation, this moment is temperature required to be at 160-180 ℃, under this temperature condition, obtains the pellet of natural fiber-filled composite polyethylene material.
Said step 3 gained pellet goes out through the conical screw extruding, can be made into the section bar product of different shape.
Embodiment three:
Step 1: measure, natural natural fiber powder wood powder grain (100 order) the input high-speed mixer with metering is heated to 100-120 ℃, stirs 20-30 minute in 2000r/min speed;
Step 2: add high-density high density polyethylene(HDPE) (MI=1), lime carbonate, talcum powder, LAURIC ACID 99 MIN-PEI condenses
Zinic stearas and EBSwax in proportion; It is 32% weight ratio, 3% weight ratio, 3% weight ratio, 1% weight ratio, 1.5% important ratio and 1% weight ratio that said preferable amount is respectively; Both mixed each other and stirred 10-20 minute, dropped into the cocurrent and parallel twin screw extruder mixing the finished product that stirs after accomplishing;
Step 3: carry out granulation, this moment is temperature required to be at 160-180 ℃, under this temperature condition, obtains the pellet of natural fiber-filled composite polyethylene material.
Said step 3 gained pellet goes out through the conical screw extruding, can be made into the section bar product of different shape.
According to the embodiment of described improvement project, the present invention also can reach following beneficial effect:
1, said natural fiber-filled composite polyethylene material comprise be prone to processing, recyclable, light weight is high-strength; It is the good substitute of timber; And because the starting material wide material sources of its production; A large amount of waste or used plastics and timber, the stalk etc. of recovery capable of using are so be a kind of building, finishing material of very environmental protection.
2, natural fiber-filled composite polyethylene material is compared with timber, can anti-strong acid-base, water-fast, corrosion-resistant, and do not breed bacterium, difficult quilt is damaged by worms, long fungi.Has water-fast, corrosion resistant performance, the advantage of long service life.
3, natural fiber-filled composite polyethylene material can be processed random shape and size as required.
4, the natural fiber-filled composite polyethylene material scope of application is extensive, can be applied to places such as path, lawn, decorative plate of outer wall, visor, blind window bar, sign board, direction board, propaganda board, flower case, Shu Chi, hedge, refuse container.
In sum; Embodiment only is a preferred optimum implementation of the present invention; Unintelligible is that protection scope of the present invention is limited; For adjustment that does not exceed technical scheme of the present invention and the change that the technical work personnel of this area are done according to the present invention, should think and drop in protection scope of the present invention.
According to being embodiment one, embodiment two, embodiment three, will preparing to such an extent that the matrix material particle is processed test bars by respective standard, carry out performance test according to the test event and the standard of table 2, test result is like table
Table 1 is that the matrix material of different ingredients is implemented example and comparative example
Table 2 is performance test project and standard
| Test event | Testing standard |
| Tensile strength Mpa | ASTMD-638 |
| Elongation at break % | ASTMD-790 |
| Flexural strength Mpa | ASTMD-790 |
| Modulus in flexure Mpa | ASTMD-790 |
| The powerful J/m of notch shock | ASTMD-256 |
| Water-intake rate % | ASTMD-1037 |
Table 3 is the composite property test result of different ingredients
Claims (10)
1. natural fiber-filled composite polyethylene material, it is characterized in that: said natural fiber-filled composite polyethylene material comprises following components in weight percentage:
The high density polyethylene(HDPE) of 20-50%;
The natural fiber powder of 40-70%;
The fatty acid polyethylene imines condenses of 1-6%;
The inorganic mineral filler of 1-15%;
The lubricant of 1-6%.
2. a kind of according to claim 1 natural fiber-filled composite polyethylene material is characterized in that: said high density polyethylene(HDPE) is the combination of virgin material, reclaimed materials or said virgin material and reclaimed materials, and said high density polyethylene(HDPE) melting index is less than 10; The consumption of said high density polyethylene(HDPE) is the 30-40% weight ratio.
3. a kind of according to claim 1 natural fiber-filled composite polyethylene material is characterized in that: said natural fiber is the combination of wood powder, bamboo powder, rice wheat husk powder or said wood powder, bamboo powder and rice wheat husk powder;
The particle diameter of said natural fiber powder is the 40-200 order; The consumption of said natural fiber powder is the 30-40% weight ratio.
4. a kind of according to claim 1 natural fiber-filled composite polyethylene material is characterized in that: said fatty acid polyethylene imines condenses is the condenses of lipid acid and polymine dehydration reaction formation at a certain temperature, and its schematic construction formula does
Wherein R is (CH
2)
n-, n=10-25; M is 20-200; The consumption of fatty acid polyethylene imines condenses is the 2-4% weight ratio.
5. a kind of according to claim 1 natural fiber-filled composite polyethylene material is characterized in that: said inorganic mineral filler is lime carbonate, talcum powder, tripoli, kaolin, mica or wherein a kind of or combination that it is multiple; The consumption of said inorganic mineral filler is the 5-10% weight ratio.
6. a kind of according to claim 1 natural fiber-filled composite polyethylene material is characterized in that: said lubricant is any combination of Zinic stearas, calcium stearate, ethylene bis stearamide, stearylamide or said Zinic stearas, said calcium stearate, said ethylene bis stearamide and said stearylamide;
The consumption of said lubricant is the 2-4% weight ratio.
7. natural fiber-filled composite polyethylene material preparation method is characterized in that: said method comprising the steps of:
Step 1: measure the weight of said natural fiber powder grain, and drop into high-speed mixer, stirred 20-30 minute in 2000r/min speed;
Step 2: add other compositions in proportion, mix each other and stirred 10-20 minute, drop into the cocurrent and parallel twin screw extruder then;
Step 3: carry out granulation, from said cocurrent and parallel twin screw extruder, extrude, obtain the material of natural fiber-filled composite polyethylene material.
8. natural fiber-filled composite polyethylene material preparation method as claimed in claim 7 is characterized in that: said step 3 gained material is a pellet.
9. natural fiber-filled composite polyethylene material preparation method as claimed in claim 7 is characterized in that: the scope of the whipping temp T1 in the said step 1 is: 100 ℃≤T1≤120 ℃.
10. natural fiber-filled composite polyethylene material preparation method as claimed in claim 7 is characterized in that: the scope of the prilling temperature T2 in the said step 3 is: 160 ℃≤T2≤180 ℃.
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| CN2011104394282A CN102532661B (en) | 2011-12-22 | 2011-12-22 | Natural fiber filled polyethylene composite material and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436043A (en) * | 2013-08-20 | 2013-12-11 | 中国科学院过程工程研究所 | Heat insulating and sound insulating wood-plastic composite and preparation method thereof |
| CN103525110A (en) * | 2013-09-26 | 2014-01-22 | 广东省石油化工研究院 | High-strength PE (polyethylene) wood-plastic composite material and preparation method thereof |
| WO2016082595A1 (en) * | 2014-11-28 | 2016-06-02 | 雄火化工股份有限公司 | Method for manufacturing environmentally-friendly electronic board by using recycled plastic wastes |
| CN110003558A (en) * | 2019-04-17 | 2019-07-12 | 广东皇田环保科技有限公司 | The preparation method and application of modified wood plastic composite |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186755A (en) * | 2007-11-20 | 2008-05-28 | 广州华工百川科技股份有限公司 | Method for preparing coconut shell and thermoplastic plastic composite material |
| CN101831112A (en) * | 2010-05-14 | 2010-09-15 | 金发科技股份有限公司 | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof |
| CN102140255A (en) * | 2011-04-14 | 2011-08-03 | 浙江工商大学 | Hot-press type wood plastic composite for toy and preparation method thereof |
| CN102276896A (en) * | 2011-06-24 | 2011-12-14 | 合肥工业大学 | Bamboo shoot shell fiber/PE degradable composite material and preparation method thereof |
-
2011
- 2011-12-22 CN CN2011104394282A patent/CN102532661B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186755A (en) * | 2007-11-20 | 2008-05-28 | 广州华工百川科技股份有限公司 | Method for preparing coconut shell and thermoplastic plastic composite material |
| CN101831112A (en) * | 2010-05-14 | 2010-09-15 | 金发科技股份有限公司 | Halogen-free flame-retardant type injection molding-class polyolefin wood plastic composite material and preparation method thereof |
| CN102140255A (en) * | 2011-04-14 | 2011-08-03 | 浙江工商大学 | Hot-press type wood plastic composite for toy and preparation method thereof |
| CN102276896A (en) * | 2011-06-24 | 2011-12-14 | 合肥工业大学 | Bamboo shoot shell fiber/PE degradable composite material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103436043A (en) * | 2013-08-20 | 2013-12-11 | 中国科学院过程工程研究所 | Heat insulating and sound insulating wood-plastic composite and preparation method thereof |
| WO2015024286A1 (en) * | 2013-08-20 | 2015-02-26 | 中国科学院过程工程研究所 | Wood-plastic composite material and manufactured method thereof |
| CN103525110A (en) * | 2013-09-26 | 2014-01-22 | 广东省石油化工研究院 | High-strength PE (polyethylene) wood-plastic composite material and preparation method thereof |
| WO2016082595A1 (en) * | 2014-11-28 | 2016-06-02 | 雄火化工股份有限公司 | Method for manufacturing environmentally-friendly electronic board by using recycled plastic wastes |
| CN110003558A (en) * | 2019-04-17 | 2019-07-12 | 广东皇田环保科技有限公司 | The preparation method and application of modified wood plastic composite |
| CN110003558B (en) * | 2019-04-17 | 2022-04-19 | 广东皇田环保科技有限公司 | Preparation method and application of improved wood-plastic composite material |
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| CN102532661B (en) | 2013-12-11 |
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