CN105968856A - Light-weight high-strength wood-plastic composite tray and preparation method thereof - Google Patents

Light-weight high-strength wood-plastic composite tray and preparation method thereof Download PDF

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Publication number
CN105968856A
CN105968856A CN201610338435.6A CN201610338435A CN105968856A CN 105968856 A CN105968856 A CN 105968856A CN 201610338435 A CN201610338435 A CN 201610338435A CN 105968856 A CN105968856 A CN 105968856A
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parts
weight
powder
plastic composite
light
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CN201610338435.6A
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Chinese (zh)
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匡学明
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苏州倍力特物流设备有限公司
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Publication of CN105968856A publication Critical patent/CN105968856A/en

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00Compositions of lignin-containing materials
    • C08L97/02Lignocellulosic material, e.g. wood, straw or bagasse
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/14Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16Fibres; Fibrils
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

Abstract

The invention discloses a light-weight high-strength wood-plastic composite tray. The wood-plastic composite tray is prepared from the following raw materials in parts by weight: straw powder, camphor powder, low-density polyethylene, polybutylene resin, dicarboxyl glycine, chlorinated polyvinyl chloride, bamboo fibers, Baonao (wild fruit) powder, sodium glycolate, nickel sulfate, coniferyl alcohol, zinc stearate, tetrabutyl titanate, nano attapulgite, calcium zinc stabilizer and propylgallate. The invention further discloses a method for preparing the light-weight high-strength wood-plastic composite tray. The mechanical performance and bearing strength of the wood-plastic composite tray are both promoted to a certain extent, the bending strength is 17.5-19.1MPa, the impact strength is 43.6-46.5J/m, the dynamic bearing capacity is 8.6-9.6t, and higher application requirement for the wood-plastic composite tray can be met. The light-weight high-strength wood-plastic tray has an excellent application prospect.

Description

A kind of light-weight high-strength wood-plastic composite pallet and preparation method thereof
Technical field
The invention belongs to Material Field, be specifically related to a kind of light-weight high-strength wood-plastic composite pallet and preparation method thereof.
Background technology
Pallet is one of requisite instrument in Storage of Goods, logistics transportation.Transportation tray is generally divided into Wooden tray, plastic pallet, teel pallet, paper pallet, composite pallet etc..Plastic-wooden composite tray is that according to after certain ratio mixing, plastics and wood fibre (such as wood powder, rice husk, straw etc.) are added specific modifying agent, merges the section bar then extruding certain character through high temperature, then makes pallet through combination.Plastic-wooden composite tray raw material sources are wide, can use Timber residuals and discarded plastics, the most both can be salvaged, also make ecological environment damage simultaneously.Plastic-wooden composite tray has the anticorrosion of plastic pallet, waterproof, the advantage of easy cleaning, and the processing technology of wood pallets advantage simple, free of contamination concurrently, has a good application prospect.But, along with the range of application of pallet is increasingly wider, bending strength, impact resistance and the weight capacity of Plastic-wooden composite tray is had higher requirement.
Summary of the invention
It is an object of the invention to provide a kind of light-weight high-strength wood-plastic composite pallet and preparation method thereof, to improve the bending strength of Plastic-wooden composite tray, impact resistance and weight capacity, to adapt to wider array of application demand.
The technical solution adopted in the present invention is:
The invention discloses a kind of light-weight high-strength wood-plastic composite pallet, the raw material of following parts by weight be prepared: straw powder material 15-30 part, Cortex cinnamomi camphorae powder 7-16 part, Low Density Polyethylene 10-18 part, polybutene resin 3-9 part, dicarboxyl glycine 4-11 part, chliorinated polyvinyl chloride 2.2-13 part, bamboo fibre 2-8 part, bud Nao powder 0.9-3 part, hydroxy acid sodium 2-5 part, nickel sulfate 0.8-7 part, 4-hydroxy-3-methoxycinnamic alcohol 4-12 part, zinc stearate 1-9 part, butyl titanate 2-10 part, nano-attapulgite 1-4 part, calcium zinc stabilizer 1.5-6 part, propylgallate 1.8-3.5 part.
Wherein, at least two during described straw powder material includes reed straw, Caulis Sacchari sinensis straw, corn straw, cotton stalk.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
Wherein, described light-weight high-strength wood-plastic composite pallet is prepared by the raw material of following parts by weight: straw powder material 28 parts, 15 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 12 parts, polybutene resin 6 parts, dicarboxyl glycine 7 parts, chliorinated polyvinyl chloride 5.5 parts, bamboo fibre 4.2 parts, bud 1.6 parts of Nao powder, hydroxy acid sodium 3.4 parts, nickel sulfate 4.6 parts, 4-hydroxy-3-methoxycinnamic alcohol 8 parts, zinc stearate 5.2 parts, butyl titanate 4.6 parts, nano-attapulgite 2.3 parts, calcium zinc stabilizer 4.5 parts, propylgallate 2.7 parts.
The preparation method of the above-mentioned light-weight high-strength wood-plastic composite pallet of the present invention, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 5-25min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 170-200 DEG C, and extrusion rotating speed is 100-300rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controls barrel zone temperature and is 226-255 DEG C, be then expelled in mould with the injection pressure of 65-88MPa, and its injection time is 3-10s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Wherein, described step 2 continues mixing 13min.
Wherein, in described step 3, the barrel zone temperature of its extruder is 186 DEG C, and extrusion rotating speed is 250rpm.
Wherein, controlling barrel zone temperature in described step 4 is 242 DEG C, is then expelled in mould with the injection pressure of 76MPa, and its injection time is 6s.
Compared with prior art, there is advantages that
Plastic-wooden composite tray mechanical property and load bearing stength prepared by the present invention all obtain a certain degree of lifting, its bending strength is up to 17.5 ~ 19.1MPa, impact strength is up to 43.6 ~ 46.5J/m, dynamically weight capacity is up to 8.6 ~ 9.6t, in addition, this Plastic-wooden composite tray light weight, meets application demand higher to Plastic-wooden composite tray, has a good application prospect.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, but it is not intended that limiting the scope of the invention.If it should be noted that without illustrating, the following various raw materials of the present invention are commercially available or according to this area conventional method and prepare.
Embodiment 1
A kind of light-weight high-strength wood-plastic composite pallet, is prepared by the raw material of following parts by weight: straw powder material 15 parts, 7 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 10 parts, polybutene resin 3 parts, dicarboxyl glycine 4 parts, chliorinated polyvinyl chloride 2.2 parts, bamboo fibre 2 parts, bud 0.9 part of Nao powder, hydroxy acid sodium 2 parts, nickel sulfate 0.8 part, 4-hydroxy-3-methoxycinnamic alcohol 4 parts, zinc stearate 1 part, butyl titanate 2 parts, nano-attapulgite 1 part, calcium zinc stabilizer 1.5 parts, propylgallate 1.8 parts.
Wherein, described straw powder material includes reed straw and Caulis Sacchari sinensis straw, and both mass ratioes are 1:2.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
The preparation method of described light-weight high-strength wood-plastic composite pallet, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 5min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 170 DEG C, and extrusion rotating speed is 100rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controlling barrel zone temperature is 226 DEG C, is then expelled in mould with the injection pressure of 65MPa, and its injection time is 3s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Embodiment 2
A kind of light-weight high-strength wood-plastic composite pallet, is prepared by the raw material of following parts by weight: straw powder material 30 parts, 16 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 18 parts, polybutene resin 9 parts, dicarboxyl glycine 11 parts, chliorinated polyvinyl chloride 13 parts, bamboo fibre 8 parts, bud 3 parts of Nao powder, hydroxy acid sodium 5 parts, nickel sulfate 7 parts, 4-hydroxy-3-methoxycinnamic alcohol 12 parts, zinc stearate 9 parts, butyl titanate 10 parts, nano-attapulgite 4 parts, calcium zinc stabilizer 6 parts, propylgallate 3.5 parts.
Wherein, described straw powder material includes Caulis Sacchari sinensis straw, corn straw, cotton stalk, and three's mass ratio is 2:1:3.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
The preparation method of described light-weight high-strength wood-plastic composite pallet, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 25min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 200 DEG C, and extrusion rotating speed is 300rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controlling barrel zone temperature is 255 DEG C, is then expelled in mould with the injection pressure of 88MPa, and its injection time is 10s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Embodiment 3
A kind of light-weight high-strength wood-plastic composite pallet, is prepared by the raw material of following parts by weight: straw powder material 22 parts, 11 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 14 parts, polybutene resin 6 parts, dicarboxyl glycine 7 parts, chliorinated polyvinyl chloride 7.6 parts, bamboo fibre 5 parts, bud 2 parts of Nao powder, hydroxy acid sodium 3.5 parts, nickel sulfate 3.9 parts, 4-hydroxy-3-methoxycinnamic alcohol 8 parts, zinc stearate 5 parts, butyl titanate 6 parts, nano-attapulgite 2.5 parts, calcium zinc stabilizer 3.8 parts, propylgallate 2.6 parts.
Wherein, described straw powder material includes reed straw, corn straw, cotton stalk.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
The preparation method of described light-weight high-strength wood-plastic composite pallet, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 15min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 185 DEG C, and extrusion rotating speed is 200rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controlling barrel zone temperature is 240 DEG C, is then expelled in mould with the injection pressure of 76MPa, and its injection time is 6s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Embodiment 4
A kind of light-weight high-strength wood-plastic composite pallet, is prepared by the raw material of following parts by weight: straw powder material 28 parts, 15 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 12 parts, polybutene resin 6 parts, dicarboxyl glycine 7 parts, chliorinated polyvinyl chloride 5.5 parts, bamboo fibre 4.2 parts, bud 1.6 parts of Nao powder, hydroxy acid sodium 3.4 parts, nickel sulfate 4.6 parts, 4-hydroxy-3-methoxycinnamic alcohol 8 parts, zinc stearate 5.2 parts, butyl titanate 4.6 parts, nano-attapulgite 2.3 parts, calcium zinc stabilizer 4.5 parts, propylgallate 2.7 parts.
Wherein, described straw powder material includes reed straw, Caulis Sacchari sinensis straw, corn straw, cotton stalk, and corresponding mass ratio is 3:1:2.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
The preparation method of described light-weight high-strength wood-plastic composite pallet, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 13min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 186 DEG C, and extrusion rotating speed is 250rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controlling barrel zone temperature is 242 DEG C, is then expelled in mould with the injection pressure of 76MPa, and its injection time is 6s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Embodiment 5
A kind of light-weight high-strength wood-plastic composite pallet, is prepared by the raw material of following parts by weight: straw powder material 19 parts, 12 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 15 parts, polybutene resin 6 parts, dicarboxyl glycine 6 parts, chliorinated polyvinyl chloride 9 parts, bamboo fibre 5 parts, bud 2.1 parts of Nao powder, hydroxy acid sodium 3.5 parts, nickel sulfate 2.4 parts, 4-hydroxy-3-methoxycinnamic alcohol 6 parts, zinc stearate 3 parts, butyl titanate 3 parts, nano-attapulgite 3 parts, calcium zinc stabilizer 2.8 parts, propylgallate 1.9 parts.
Wherein, at least two during described straw powder material includes reed straw, Caulis Sacchari sinensis straw, corn straw, cotton stalk.
Wherein, described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
The preparation method of described light-weight high-strength wood-plastic composite pallet, comprises the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 15min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 190 DEG C, and extrusion rotating speed is 180rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controlling barrel zone temperature is 245 DEG C, is then expelled in mould with the injection pressure of 75MPa, and its injection time is 7s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
Comparative example 1
This comparative example is with reference to embodiment 2, and difference is: without Cortex cinnamomi camphorae powder, dicarboxyl glycine and bud Nao powder.
Comparative example 2
This comparative example is with reference to embodiment 2, and difference is: without nano-attapulgite, bamboo fibre and propylgallate.
Performance test
The Plastic-wooden composite tray preparing the various embodiments described above and comparative example carries out correlated performance test, and its test result is as shown in the table:
Bending strength/MPa Impact strength/J/m Bearing capacity/t
Embodiment 1 18.2 45.3 8.5
Embodiment 2 17.5 43.6 8.9
Embodiment 3 18.3 44.8 9.1
Embodiment 4 19.1 46.5 9.6
Embodiment 5 18.5 45.7 9.2
Comparative example 1 13.1 42.3 7.6
Comparative example 2 12.7 41.6 7.8
Test result from above-mentioned table, Plastic-wooden composite tray mechanical property and load bearing stength prepared by the present invention all obtain a certain degree of lifting, its bending strength is up to 17.5 ~ 19.1MPa, impact strength is up to 43.6 ~ 46.5J/m, dynamically weight capacity is up to 8.6 ~ 9.6t, meet application demand higher to Plastic-wooden composite tray, have a good application prospect.

Claims (8)

1. a light-weight high-strength wood-plastic composite pallet, it is characterized in that, it is prepared by the raw material of following parts by weight: straw powder material 15-30 part, Cortex cinnamomi camphorae powder 7-16 part, Low Density Polyethylene 10-18 part, polybutene resin 3-9 part, dicarboxyl glycine 4-11 part, chliorinated polyvinyl chloride 2.2-13 part, bamboo fibre 2-8 part, bud Nao powder 0.9-3 part, hydroxy acid sodium 2-5 part, nickel sulfate 0.8-7 part, 4-hydroxy-3-methoxycinnamic alcohol 4-12 part, zinc stearate 1-9 part, butyl titanate 2-10 part, nano-attapulgite 1-4 part, calcium zinc stabilizer 1.5-6 part, propylgallate 1.8-3.5 part.
Light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterised in that described straw powder material includes at least two in reed straw, Caulis Sacchari sinensis straw, corn straw, cotton stalk.
Light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterised in that described calcium zinc stabilizer is that calcium stearate and zinc stearate are by weight for complex that 6:4 is compound.
Light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterized in that, the raw material of following parts by weight be prepared: straw powder material 28 parts, 15 parts of Cortex cinnamomi camphorae powder, Low Density Polyethylene 12 parts, polybutene resin 6 parts, dicarboxyl glycine 7 parts, chliorinated polyvinyl chloride 5.5 parts, bamboo fibre 4.2 parts, bud 1.6 parts of Nao powder, hydroxy acid sodium 3.4 parts, nickel sulfate 4.6 parts, 4-hydroxy-3-methoxycinnamic alcohol 8 parts, zinc stearate 5.2 parts, butyl titanate 4.6 parts, nano-attapulgite 2.3 parts, calcium zinc stabilizer 4.5 parts, propylgallate 2.7 parts.
5. the preparation method of the light-weight high-strength wood-plastic composite pallet as described in any one of claim 1-4, it is characterised in that comprise the following steps:
Step 1: weigh each raw material by formula, is dried 16h by the straw powder material in raw material, Cortex cinnamomi camphorae powder, bamboo fibre and bud Nao powder at 95 DEG C, standby;
Step 2: added by the dried material in polybutene resin, chliorinated polyvinyl chloride and step 1 in high-speed mixer, stirring mixing to uniformly, adds remaining raw material, continues mixing 5-25min, obtain mixture;
Step 3: put in parallel double-screw extruder by said mixture and melt extrude, the barrel zone temperature of its extruder is 170-200 DEG C, and extrusion rotating speed is 100-300rpm;
Step 4: be placed in injector by above-mentioned extruded stock, controls barrel zone temperature and is 226-255 DEG C, be then expelled in mould with the injection pressure of 65-88MPa, and its injection time is 3-10s;
Step 5: the demoulding is also processed into pallet, cooled, repair, shape, the operation such as coating.
The preparation method of light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterised in that continue mixing 13min in described step 2.
The preparation method of light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterised in that in described step 3, the barrel zone temperature of its extruder is 186 DEG C, extrusion rotating speed is 250rpm.
The preparation method of light-weight high-strength wood-plastic composite pallet the most according to claim 1, it is characterised in that controlling barrel zone temperature in described step 4 is 242 DEG C, is then expelled in mould with the injection pressure of 76MPa, and its injection time is 6s.
CN201610338435.6A 2016-05-20 2016-05-20 Light-weight high-strength wood-plastic composite tray and preparation method thereof CN105968856A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557875A (en) * 2004-01-14 2004-12-29 湖北工学院 Nano calcium carbonate modified plant fiber powder and composite materials thereof with plastic
CN102952317A (en) * 2012-10-19 2013-03-06 芜湖太平洋塑胶有限公司 Plastic-wooden composite tray and preparation method thereof
CN104497608A (en) * 2014-12-10 2015-04-08 青岛帮尼达新产品技术开发咨询有限公司 Polyethylene wood plastic material and preparation method thereof
CN105315689A (en) * 2014-07-31 2016-02-10 南京博方生物科技有限公司 Preparation and use methods for straw-based materials

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1557875A (en) * 2004-01-14 2004-12-29 湖北工学院 Nano calcium carbonate modified plant fiber powder and composite materials thereof with plastic
CN102952317A (en) * 2012-10-19 2013-03-06 芜湖太平洋塑胶有限公司 Plastic-wooden composite tray and preparation method thereof
CN105315689A (en) * 2014-07-31 2016-02-10 南京博方生物科技有限公司 Preparation and use methods for straw-based materials
CN104497608A (en) * 2014-12-10 2015-04-08 青岛帮尼达新产品技术开发咨询有限公司 Polyethylene wood plastic material and preparation method thereof

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