CN108219251A - Wood plastic composite and preparation method thereof - Google Patents
Wood plastic composite and preparation method thereof Download PDFInfo
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- CN108219251A CN108219251A CN201810029994.8A CN201810029994A CN108219251A CN 108219251 A CN108219251 A CN 108219251A CN 201810029994 A CN201810029994 A CN 201810029994A CN 108219251 A CN108219251 A CN 108219251A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
- B29C2043/5816—Measuring, controlling or regulating temperature
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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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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Abstract
The present invention provides a kind of wood plastic composite, wood plastic composite by weight, including：Thermoplastic resin 30~80%, biomass fiber 10~50%, coupling agent 0.2~4%, activated Calcium carbonate 1~20%, plastic processing additives 1~8%, charcoal 0.5~20%.By introducing charcoal in the formula system of wood plastic composite, improve the interface compatibility and heat dissipation performance of biomass fiber and thermoplastic resin, significantly improve the mechanical property of wood plastic composite at ambient and elevated temperatures.Meanwhile charcoal is derived from the product after biomass waste material Pintsch process, also functions to the effect to turn waste into wealth in this way.The preparation method of wood plastic composite provided by the invention is easy to operate, low for equipment requirements, suitable for industrialized production, has a vast market application prospect.
Description
Technical field
The present invention relates to field of compound material, particularly, are related to a kind of wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite (abbreviation WPC) is a kind of using biomass fiber and thermoplastic resin as primary raw material, is added
It is process after some auxiliary agents (colorant, coupling agent and lubricant) by modes such as extrusion molding, compression molding, injection moldings
Environment friendly composite material.Although wood plastic composite has many advantages, such as that environmental protection, processability are good and recyclable, normal
Comprehensive mechanical property under mild high temperature is relatively low to cause application field partially narrow, is current to restrict the main of wood plastic composite development
One of factor.The hydrophily of biomass fiber and the hydrophobicity of thermoplastic resin make interface compatibility between the two poor, lead
It causes its binding force smaller, is reduced so as to cause mechanical properties such as the tensile strength of product and impact strengths.In addition, thermoplastic resin
All it is the non-conductor of heat with biomass fiber, in the case where outdoor solar light is exposed to the sun for a long time, since heat cannot heat loss through conduction meeting in time
Component is caused to be decomposed to react and the physical mechanical property of wood plastic composite is made to decline rapidly, simultaneously as heat transfer is not smooth,
Wood-plastic profiles surface temperature is higher than body temperature, causes thermal stress inconsistent, causes Wood-plastic profiles face checking.These shortcomings are tight
Its further development is limited again.Therefore it needs to be modified the interface of biomass fiber and thermoplastic resin, to improve
Compatibility between them, meanwhile, heat transfer improvement is carried out to it, improves the performance and durability of composite material.
Improvement for the interface compatibility of biomass fiber and thermoplastic resin, general there are as below methods：Pass through change
The chemical constitution of thermoplastic resin or biomass fiber, crystallite form, surface microscopic topographic, surface energy etc. are compatible to improve its
Property, but this method will certainly cause the rising of cost of material.It is answered alternatively, adding in some carbon fiber class reinforcing materials to improve wood moulding
The tensile strength and rigidity of condensation material, although improvement is more notable, carbon fiber cost is higher, uneconomical.
Invention content
The present invention provides a kind of wood plastic composite and preparation method thereof, to solve existing wood plastic composite in room temperature
With comprehensive mechanical property under high temperature it is relatively low the problem of.
The technical solution adopted by the present invention is as follows：
According to an aspect of the invention, there is provided a kind of wood plastic composite, wood plastic composite by weight, wraps
It includes：30~80 parts of thermoplastic resin, 10~50 parts of biomass fiber, 0.2~4 part of coupling agent, 1~20 part of activated Calcium carbonate, modeling
Expect 1~8 part of processing aid, 0.5~20 part of charcoal.
Thermoplastic resin is polyolefin polymer and/or polyolefin polymer reclaimed materials.
Biomass fiber is one or more in wood powder, cavings, coconut shell flour, straw powder and cornstalk powder.
Coupling agent is in maleic anhydride grafted polyethylene, silane coupling agent, titante coupling agent and aluminate coupling agent
It is one or more.
Plastic processing additives are ethylene bis stearamide, zinc stearate, PE waxes, antioxidant 1010, fatty chloroflo and oxidation
It is one or more in polyethylene.
Charcoal is with one or more for raw material system in tea residue, agricultural crop straw, corn ear, bagasse and cavings
The product obtained.
Further, wood plastic composite by weight, including：40~60 parts of thermoplastic resin, biomass fiber 10
~30 parts, 2~4 parts of coupling agent, 4~17 parts of activated Calcium carbonate, 2~6 parts of plastic processing additives, 5~20 parts of charcoal.
Further, wood plastic composite by weight, including：50 parts of thermoplastic resin, 20 parts of biomass fiber are even
Join 3 parts of agent, 13 parts of activated Calcium carbonate, 4 parts of plastic processing additives, 10 parts of charcoal.
Further, charcoal is using tea residue product made from raw material.
Further, charcoal is small by 300~500 DEG C of processing 2~10 in an inert atmosphere by raw material of tea residue
When after products therefrom, it is preferable that charcoal for by raw material of tea residue in nitrogen atmosphere by 400 DEG C processing 4 hours after institute
Obtain product.
Further, polyolefin polymer is polyethylene and/or polypropylene；Polyolefin polymer reclaimed materials is returned for polyethylene
Rewinding and/or polypropylene reclaimed material.
Further, biomass fiber is wood powder, and the granularity of wood powder is 70~120 mesh, preferably 100 mesh.
Further, coupling agent is maleic anhydride grafted polyethylene.
Plastic processing additives include PE waxes and zinc stearate, and the mass ratio of PE waxes and zinc stearate is 1:1.
According to another aspect of the present invention, a kind of preparation method of wood plastic composite is provided, is included the following steps；
By thermoplastic resin, biomass fiber, coupling agent, activated Calcium carbonate, plastic processing additives and charcoal by weight
After weighing, first stirred 5~10 minutes with 40~60 revs/min of speed at normal temperatures, then again with 80~150 revs/min
Speed stir 10~20 minutes, then, stirred 10~20 minutes under conditions of 105~120 DEG C and 60~80 revs/min,
Obtain premix.
By premix melt blending extruding pelletization, melt zone temperature controls at 155~200 DEG C, is then molded or is molded into
Wood plastic composite is made in type.
Further, the moisture content of biomass fiber 3% hereinafter, by by biomass fiber materials at 100~150 DEG C
Lower baking is made for 4~6 hours.
Charcoal is by regarding one or more in tea residue, agricultural crop straw, corn ear, bagasse and cavings as original
Material obtains after 300~500 DEG C are handled 2~10 hours in an inert atmosphere.
The invention has the advantages that：
The present invention provides a kind of wood plastic composite, by introducing biology in the formula system of wood plastic composite
Charcoal improves the interface compatibility and heat dissipation performance of biomass fiber and thermoplastic resin, significantly improves wood plastic composite normal
Mechanical property under mild high temperature.Meanwhile charcoal is derived from the product after biomass waste material Pintsch process, also functions in this way
The effect to turn waste into wealth.The preparation method of wood plastic composite provided by the invention is easy to operate, low for equipment requirements, suitable for work
Industry metaplasia is produced, and has a vast market application prospect.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to accompanying drawings, the present invention is described in further detail.
Description of the drawings
The attached drawing for forming the part of the application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the charcoal pictorial diagram of different material and preparation；
Fig. 2 is charcoal XRD diagram prepared by different material；
Fig. 3 is the preparation method flow chart of the wood plastic composite of the preferred embodiment of the present invention；
Fig. 4 is the different wood plastic composite of the tea beverage process residues biology carbon content of the preferred embodiment of the present invention 55
DEG C when bending strength and tensile strength schematic diagram；
Fig. 5 is that the different wood plastic composite of the bagasse biology carbon content of the preferred embodiment of the present invention is curved at 55 DEG C
Qu Qiangdu and tensile strength schematic diagram；
Fig. 6 is that the different wood plastic composite of the corn ear biology carbon content of the preferred embodiment of the present invention is curved at 55 DEG C
Qu Qiangdu and tensile strength schematic diagram；
Fig. 7 is bending strength of the wood plastic composite of the biological carbon content of difference of the preferred embodiment of the present invention at 25 DEG C
With tensile strength schematic diagram；
Fig. 8 is impact strength of the wood plastic composite of the biological carbon content of difference of the preferred embodiment of the present invention at 25 DEG C
With bending modulus schematic diagram；
Fig. 9 is the different wood plastic composite of the tea beverage process residues biology carbon content of the preferred embodiment of the present invention 50
DEG C when bending strength and tensile strength schematic diagram；
Figure 10 is that the different wood plastic composite of the tea beverage process residues biology carbon content of the preferred embodiment of the present invention exists
Impact strength and bending modulus schematic diagram at 50 DEG C.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
According to an aspect of the invention, there is provided a kind of wood plastic composite, wood plastic composite by weight, wraps
It includes：30~80 parts of thermoplastic resin, 10~50 parts of biomass fiber, 0.2~4 part of coupling agent, 1~20 part of activated Calcium carbonate, modeling
Expect 1~8 part of processing aid, 0.5~20 part of charcoal.Thermoplastic resin is returned for polyolefin polymer and/or polyolefin polymer
Rewinding.Biomass fiber is one or more in wood powder, cavings, coconut shell flour, straw powder and cornstalk powder.Coupling agent is Malaysia
It is one or more in anhydride grafted lldpe, silane coupling agent, titante coupling agent and aluminate coupling agent.Plastic processing
Auxiliary agent is ethylene bis stearamide, zinc stearate, PE waxes, antioxidant 1010, fatty chloroflo and one kind in oxidic polyethylene or
It is a variety of.It with one or more in tea residue, agricultural crop straw, corn ear, bagasse and cavings is that raw material is made that charcoal, which is,
Product.
Thermoplastic resin can be entirely derived from recycled plastic, and recycled plastic is sorted out using preceding without sorting, can be direct
Mixing milling uses, and reduces the recycling cost of waste plastic.
Silane coupling agent has RSiX3Structure, R is vinyl, the methacryloxypropyl combined with nonpolar organic matter
Base, epoxy group, amido etc., X are the groups such as methoxyl group, ethyoxyl and chlorine that same polarity biomass fiber is combined.Titanate ester
Coupling agent is a kind of organic titanic compound that inorganic matter is made to have chemical bonding effect with organic matter and between organic matter, close
Organic moiety is usually C12-C18 long chain hydrocarbon groups.Aluminate coupling agent mainly has three benzyl ester of three isopropyl ester of aluminic acid and aluminic acid etc..
Charcoal particle is small, can be filled in the interfacial gap of biomass fiber particle and thermoplastic resin, and superelevation
The thermoplastic resin of molecular weight is with good mobility, in the micropore that can penetrate and be filled into biological carbon surface after melting, and
Charcoal has larger specific surface and pore characteristics, and therefore, synthesis result is exactly to be formed between charcoal and thermoplastic resin
Good mechanical connection, this good mechanical connection are generally evenly distributed in the boundary of biomass fiber particle and thermoplastic resin again
In the gap of face, so as to play interface humidification, improve the mechanical property of wood plastic composite.Charcoal be with tea residue,
One or more for raw material in agricultural crop straw, corn ear, bagasse and cavings, preparation method can refer to standard biologic charcoal
Preparation method.Tea residue is to utilize residue after the progress tea beverage processing such as tea stalks and/or tealeaves.Agricultural crop straw can be water
Rice, wheat, sorghum stalk.
In addition, charcoal is the good conductor of heat, Wood-plastic profiles under long-term be exposed to the sun, the temperature difference in surface layer and ontology compared with
Small, thermal stress is more uniform, so as to reduce the trend of its crack of surface layer, reaches the mesh for promoting its anti-cracking performance at high temperature
's.
By introducing charcoal in the formula system of wood plastic composite, improve biomass fiber and thermoplastic resin
Interface compatibility and heat dissipation performance significantly improve the mechanical property of wood plastic composite at ambient and elevated temperatures.Meanwhile charcoal
The product being derived from after biomass waste material Pintsch process also functions to the effect to turn waste into wealth in this way.
Preferably, wood plastic composite by weight, including：40~60 parts of thermoplastic resin, biomass fiber 10~
30 parts, 2~4 parts of coupling agent, 4~17 parts of activated Calcium carbonate, 2~6 parts of plastic processing additives, 5~20 parts of charcoal.
Preferably, wood plastic composite by weight, including：50 parts of thermoplastic resin, 20 parts of biomass fiber, coupling
3 parts of agent, 13 parts of activated Calcium carbonate, 4 parts of plastic processing additives, 10 parts of charcoal.
Preferably, charcoal is using tea residue product made from raw material.
It when tealeaves or tea stalks prepare tea beverage, needs to impregnate through boiling water, tea residue, that is, tea beverage process residues more.In water
After high temperature impregnates, some are soluble, the organic matter of the carbon containing hydrogen-oxygen atom of short chain and soluble inorganic salt are dissolved in water,
And often this partial organic substances cannot be carbonized or be carbonized at high temperature that yield is relatively low, and remaining tea residue is all based on cellulose
Long-chain carbon organic matter, carbonization yield is very high, and the charcoal yield that is obtained after high-temperature process is high, and micropore is more.And bagasse
With corn ear raw material without leaching process, it is impossible to which the material composition for forming charcoal is more, causes its yield relatively low, economic valency
Value is not high.
As shown in Figure 1, it is raw material in nitrogen gas to take tea beverage process residues, bagasse and the corn ear of essentially identical volume
In atmosphere after 400 DEG C of processing 4 hours the corresponding charcoal of gained.The volume of tea beverage process residues charcoal is about bagasse
6 times of charcoal volume, the volume of tea beverage process residues charcoal are about 2 times of corn ear charcoal volume.
Above-mentioned each charcoal is taken to carry out XRD tests, as described in Figure 2, is all deposited in about 22 ° and 43 ° or so three samples
Bao Feng is overflow apparent, corresponding to the characteristic peak of amorphous carbon, it is seen that corresponding charcoal can be made in above-mentioned raw materials.In addition,
It is tested by specific surface instrument it is found that with the charcoal that tea beverage process residues are obtained with maximum specific surface area, reached
489m2·g-1, and be respectively 135m by the specific surface area of bagasse and the obtained charcoal of corn ear2·g-1And 102m2·g-1, with many micropores or mesoporous, this feature is conducive to melt to be set the charcoal that this explanation tea beverage process residues is obtained
Fat is penetrated and is filled into the micropore of biological carbon surface, makes to form good mechanical connection between charcoal and thermoplastic resin,
This good mechanical connection is generally evenly distributed in the interfacial gap of biomass fiber particle and thermoplastic resin again, so as to rise
Interface humidification has been arrived, has improved the mechanical property of wood plastic composite.
Preferably, charcoal is to be handled 2~10 hours by 300~500 DEG C in an inert atmosphere using tea residue as raw material
Products therefrom afterwards, it is preferable that charcoal be by raw material of tea residue in nitrogen atmosphere by 400 DEG C processing 4 hours after gained
Product.
Preferably, polyolefin polymer is polyethylene and/or polypropylene；Polyolefin polymer reclaimed materials is recycled for polyethylene
Material and/or polypropylene reclaimed material.
Preferably, biomass fiber is wood powder, and the granularity of wood powder is 70~120 mesh, preferably 100 mesh.
Wood powder is mainly made of three kinds of cellulose, hemicellulose and lignin natural polymers, and content is 90%
More than rather than the sugar content of wood powder and the carbohydrate content of various low molecular weights it is higher, the producing high-moleculars such as cellulose close
Object content is below 90%.Biomass fiber particle size is smaller, better with the composite effect of thermoplastic resin, but too it is small again
Easily occurring to reunite, it is homodisperse in thermoplastic resin to be unfavorable for it.
Preferably, coupling agent is maleic anhydride grafted polyethylene.Maleic anhydride grafted polyethylene price is relatively low.
Plastic processing additives include PE waxes and zinc stearate, and the mass ratio of PE waxes and zinc stearate is 1:1.PE waxes and tristearin
Sour zinc can improve lubricating effect, reduce dosage.
According to another aspect of the present invention, a kind of preparation method of wood plastic composite is provided, with reference to Fig. 1, including
Following steps；
S100：Thermoplastic resin, biomass fiber, coupling agent, activated Calcium carbonate, plastic processing additives and charcoal are pressed
After weight ratio weighs, first stir 5~10 minutes at normal temperatures with 40~60 revs/min of speed, then again with 80~150 turns/
The speed of minute stirs 10~20 minutes, then, 10~20 points is stirred under conditions of 105~120 DEG C and 60~80 revs/min
Clock obtains premix.
S200：By premix melt blending extruding pelletization, melt zone temperature is controlled at 155~200 DEG C, then injection or mould
Molded obtained wood plastic composite.
Preferably, the moisture content of biomass fiber 3% hereinafter, by by biomass fiber materials at 100~150 DEG C
Baking is made for 4~6 hours.
Charcoal is by regarding one or more in tea residue, agricultural crop straw, corn ear, bagasse and cavings as original
Material obtains after 300~500 DEG C are handled 2~10 hours in an inert atmosphere.
Charcoal is entirely using biomass waste materials such as tea stalks as raw material, is handled by simple Pintsch process,
This method not only solve biomass waste material arbitrarily discard or burn caused by problem of environmental pollution, also opened for charcoal
A kind of new application approach.
The preparation method of wood plastic composite provided by the invention is easy to operate, low for equipment requirements, suitable for industrial metaplasia
Production, has a vast market application prospect.
Below according to the charcoal additive amount in each embodiment of adjustment of following table charcoal additive amount.
| Sample name | 1# | 2# | 3# | 4# | 5# |
| Charcoal additive amount (part) | 0 | 0.5 | 5 | 10 | 20 |
Embodiment one
With reference to Fig. 3, the preparation of wood plastic composite is carried out：
(1) wood powder at 100 DEG C is toasted 6 hours, makes its moisture content below 3%.
(2) using tea residue as raw material, it is obtained into charcoal after 300 DEG C are handled 10 hours in an inert atmosphere.
(3) by weight, 30 parts of thermoplastic resin, 40 parts of biomass fiber of the moisture content below 3%, coupling are weighed
1.5 parts of agent, 20 parts of activated Calcium carbonate, 8 parts of plastic processing additives separately weigh 0 part, 0.5 part, 5 parts, 10 parts and 20 of charcoal respectively
Part is mixed with other components, obtains including the raw material of different biological carbon contents.
(4) above-mentioned raw materials are added in high-speed mixer respectively, first stir 10 at normal temperatures with 40 revs/min of speed
Minute, it is then stirred 20 minutes with 80 revs/min of speed again, then, 20 is stirred under conditions of 105 DEG C and 60 revs/min
Minute, obtain corresponding premix.
(5) corresponding premix is transferred to melt blending extruding pelletization in extruder respectively, melt zone temperature is controlled 155
DEG C, wood plastic composite 1#~5# is made in then injection or compression molding.
Embodiment two
With reference to Fig. 3, the preparation of wood plastic composite is carried out：
(1) cavings at 120 DEG C is toasted 5 hours, makes its moisture content below 3%.
(2) using bagasse as raw material, it is obtained into charcoal after 400 DEG C are handled 8 hours in an inert atmosphere.
(3) by weight, 40 parts of thermoplastic resin, 30 parts of biomass fiber of the moisture content below 3%, coupling are weighed
2 parts of agent, 17 parts of activated Calcium carbonate, 6 parts of plastic processing additives separately weigh 0 part, 0.5 part, 5 parts, 10 parts and 20 parts of charcoal respectively
It is mixed with other components, obtains including the raw material of different biological carbon contents.
(4) above-mentioned raw materials are added in high-speed mixer respectively, first stir 9 at normal temperatures with 50 revs/min of speed
Minute, it is then stirred 15 minutes with 100 revs/min of speed again, then, 15 is stirred under conditions of 110 DEG C and 70 revs/min
Minute, obtain corresponding premix.
(5) corresponding premix is transferred to melt blending extruding pelletization in extruder respectively, melt zone temperature is controlled 170
DEG C, wood plastic composite 1#~5# is made in then injection or compression molding.
Embodiment three
With reference to Fig. 3, the preparation of wood plastic composite is carried out：
(1) coconut shell flour at 135 DEG C is toasted 4 hours, makes its moisture content below 3%.
(2) using corn ear as raw material, it is obtained into charcoal after 500 DEG C are handled 5 hours in an inert atmosphere.
(3) by weight, 50 parts of thermoplastic resin, 20 parts of biomass fiber of the moisture content below 3%, coupling are weighed
3 parts of agent, 13 parts of activated Calcium carbonate, 4 parts of plastic processing additives separately weigh 0 part, 0.5 part, 5 parts, 10 parts and 20 parts of charcoal respectively
It is mixed with other components, obtains including the raw material of different biological carbon contents.
(4) above-mentioned raw materials are added in high-speed mixer respectively, first stir 7 at normal temperatures with 60 revs/min of speed
Minute, it is then stirred 10 minutes with 125 revs/min of speed again, then, 10 is stirred under conditions of 115 DEG C and 80 revs/min
Minute, obtain corresponding premix.
(5) corresponding premix is transferred to melt blending extruding pelletization in extruder respectively, melt zone temperature is controlled 185
DEG C, wood plastic composite 1#~5# is made in then injection or compression molding.
Example IV
With reference to Fig. 3, the preparation of wood plastic composite is carried out：
(1) straw powder at 150 DEG C is toasted 4 hours, makes its moisture content below 3%.
(2) using cavings as raw material, it is obtained into charcoal after 500 DEG C are handled 2 hours in an inert atmosphere.
(3) by weight, 60 parts of thermoplastic resin, 10 parts of biomass fiber of the moisture content below 3%, coupling are weighed
4 parts of agent, 4 parts of activated Calcium carbonate, 2 parts of plastic processing additives, 20 parts of charcoal.
(4) above-mentioned raw materials are added in high-speed mixer, are first stirred 5 minutes with 60 revs/min of speed at normal temperatures,
Then it is stirred 10 minutes with 150 revs/min of speed, then, is stirred 10 minutes under conditions of 120 DEG C and 80 revs/min again,
Obtain premix.
(5) premix is transferred to melt blending extruding pelletization in extruder, melt zone temperature is controlled at 200 DEG C, then
Wood plastic composite is made in injection or compression molding.
The corresponding wood plastic composite 1#~5# being prepared in Example 1~3 respectively, is tested respectively at 55 DEG C
Bending strength, tensile strength, as shown in figures 4-6, specific test number is as shown in table 1 for experimental result.It can be seen that tealeaves charcoal system
Standby wood plastic composite comprehensive performance is best.And 50 parts of thermoplastic resin of addition, biomass fiber of the moisture content below 3%
20 parts, 3 parts of coupling agent, 13 parts of activated Calcium carbonate, 4 parts of plastic processing additives, sample 4# synthesis mechanics made from 10 parts of charcoal
Performance is best.
Table 1, the bending strength of wood plastic composite 1#~5# of each embodiment, tensile strength test results
Corresponding wood plastic composite 1#~5# prepared by Example 1, the bending tested respectively at 20 DEG C, 50 DEG C are strong
Degree, tensile strength, impact strength and bending modulus, for experimental result as shown in Fig. 7~10, specific test number is as shown in table 2.It surveys
Examination is statistics indicate that sample 4# comprehensive mechanical properties are best made from tealeaves charcoal.
The performance parameter of the wood plastic composite of 2 embodiment 1 of table at different temperatures
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of wood plastic composite, which is characterized in that the wood plastic composite by weight, including：Thermoplastic resin
30~80 parts, 10~50 parts of biomass fiber, 0.2~4 part of coupling agent, 1~20 part of activated Calcium carbonate, plastic processing additives 1~8
Part, 0.5~20 part of charcoal；
The thermoplastic resin is polyolefin polymer and/or polyolefin polymer reclaimed materials；
The biomass fiber is one or more in wood powder, cavings, coconut shell flour, straw powder and cornstalk powder；
The coupling agent is in maleic anhydride grafted polyethylene, silane coupling agent, titante coupling agent and aluminate coupling agent
It is one or more；
The plastic processing additives are ethylene bis stearamide, zinc stearate, PE waxes, antioxidant 1010, fatty chloroflo and oxidation
It is one or more in polyethylene；
The charcoal is with one or more for raw material system in tea residue, agricultural crop straw, corn ear, bagasse and cavings
The product obtained.
2. wood plastic composite according to claim 1, which is characterized in that the wood plastic composite by weight,
Including：40~60 parts of thermoplastic resin, 10~30 parts of biomass fiber, 2~4 parts of coupling agent, 4~17 parts of activated Calcium carbonate, modeling
Expect 2~6 parts of processing aid, 5~20 parts of charcoal.
3. wood plastic composite according to claim 2, which is characterized in that the wood plastic composite by weight,
Including：50 parts of thermoplastic resin, 20 parts of biomass fiber, 3 parts of coupling agent, 13 parts of activated Calcium carbonate, 4 parts of plastic processing additives,
10 parts of charcoal.
4. wood plastic composite described in any one of claim 1 to 3, which is characterized in that
The charcoal is using tea residue product made from raw material.
5. wood plastic composite according to claim 4, which is characterized in that
The charcoal is that gained produces after 300~500 DEG C are handled 2~10 hours in an inert atmosphere by raw material of tea residue
Object, it is preferable that the charcoal be by raw material of tea residue in nitrogen atmosphere by 400 DEG C processing 4 hours after products therefrom.
6. wood plastic composite described in any one of claim 1 to 3, which is characterized in that
The polyolefin polymer is polyethylene and/or polypropylene；The polyolefin polymer reclaimed materials is polyethylene reclaimed materials
And/or polypropylene reclaimed material.
7. wood plastic composite described in any one of claim 1 to 3, which is characterized in that
The biomass fiber is wood powder, and the granularity of the wood powder is 70~120 mesh, preferably 100 mesh.
8. wood plastic composite described in any one of claim 1 to 3, which is characterized in that
The coupling agent is maleic anhydride grafted polyethylene；
The plastic processing additives include PE waxes and zinc stearate, and the mass ratio of PE waxes and zinc stearate is 1:1.
9. a kind of preparation method of wood plastic composite according to any one of claims 1 to 8, which is characterized in that including with
Lower step：
By thermoplastic resin, biomass fiber, coupling agent, activated Calcium carbonate, plastic processing additives and charcoal by weight title
After taking, first stirred 5~10 minutes with 40~60 revs/min of speed at normal temperatures, then again with 80~150 revs/min of speed
Degree stirring 10~20 minutes, then, stirs 10~20 minutes under conditions of 105~120 DEG C and 60~80 revs/min, obtains
Premix；
By the premix melt blending extruding pelletization, melt zone temperature controls at 155~200 DEG C, is then molded or is molded into
The wood plastic composite is made in type.
10. the preparation method of wood plastic composite according to claim 9, which is characterized in that
The moisture content of the biomass fiber 3% hereinafter, by biomass fiber materials toast to 4 at 100~150 DEG C~
It is made within 6 hours；
The charcoal is by regarding one or more in tea residue, agricultural crop straw, corn ear, bagasse and cavings as original
Material obtains after 300~500 DEG C are handled 2~10 hours in an inert atmosphere.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109651732A (en) * | 2018-12-26 | 2019-04-19 | 山东霞光集团有限公司 | A kind of charcoal modified composite material of woods and plastics and preparation method thereof |
| CN109867974A (en) * | 2019-03-21 | 2019-06-11 | 天津商业大学 | A kind of preparation method of PE composite wood-plastic material and preparation method thereof, pallet |
| CN110395941A (en) * | 2019-08-01 | 2019-11-01 | 北京理工大学珠海学院 | Charcoal based thermoset applications composite material and preparation method |
| CN110698807A (en) * | 2019-09-12 | 2020-01-17 | 泉州龙晟轻工有限公司 | Recycled plastic for 3D printing and preparation method thereof |
| CN111014281A (en) * | 2019-12-30 | 2020-04-17 | 肇庆市武大环境技术研究院 | Multi-biochar combined microorganism composite material for petroleum-polluted soil remediation and preparation method and application thereof |
| CN112063191A (en) * | 2020-08-20 | 2020-12-11 | 咖法科技(上海)有限公司 | Tea residue wood plastic and preparation method thereof |
| CN115093716A (en) * | 2022-06-28 | 2022-09-23 | 安徽爱瑞德新材料有限公司 | Bio-based wood-plastic composite material and preparation method thereof |
| CN115216075A (en) * | 2022-08-29 | 2022-10-21 | 山西农业大学 | Antistatic wood-plastic composite material and preparation method thereof |
| CN115403865A (en) * | 2022-10-15 | 2022-11-29 | 温州市梵特日用品有限公司 | Antibacterial degradable plastic particle containing nano-silver and preparation method thereof |
| CN117363046A (en) * | 2023-10-31 | 2024-01-09 | 恩平市健琪新材料科技有限公司 | PP material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351514A (en) * | 2013-07-09 | 2013-10-16 | 杭州亨林科技有限公司 | High-strength high-filling degradable wood-plastic composite and manufacturing technique thereof |
| CN104371748A (en) * | 2014-10-24 | 2015-02-25 | 东华大学 | Preparation method of high-yield biochar |
| WO2015039237A1 (en) * | 2013-09-17 | 2015-03-26 | University Of Guelph | Hybrid sustainable composites and methods of making and using thereof |
| CN104672697A (en) * | 2015-01-22 | 2015-06-03 | 浙江保森新型材料有限公司 | Wood-plastic composite material |
| CN107199235A (en) * | 2017-06-08 | 2017-09-26 | 四川农业大学 | Based on pyrolytical condition to tealeaf residue charcoal characteristic and cadmium pollution soil restorative procedure |
| CN107286970A (en) * | 2016-04-01 | 2017-10-24 | 勐海茶业有限责任公司 | A kind of tea grounds smokeless char and preparation method thereof |
-
2018
- 2018-01-12 CN CN201810029994.8A patent/CN108219251A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103351514A (en) * | 2013-07-09 | 2013-10-16 | 杭州亨林科技有限公司 | High-strength high-filling degradable wood-plastic composite and manufacturing technique thereof |
| WO2015039237A1 (en) * | 2013-09-17 | 2015-03-26 | University Of Guelph | Hybrid sustainable composites and methods of making and using thereof |
| CN104371748A (en) * | 2014-10-24 | 2015-02-25 | 东华大学 | Preparation method of high-yield biochar |
| CN104672697A (en) * | 2015-01-22 | 2015-06-03 | 浙江保森新型材料有限公司 | Wood-plastic composite material |
| CN107286970A (en) * | 2016-04-01 | 2017-10-24 | 勐海茶业有限责任公司 | A kind of tea grounds smokeless char and preparation method thereof |
| CN107199235A (en) * | 2017-06-08 | 2017-09-26 | 四川农业大学 | Based on pyrolytical condition to tealeaf residue charcoal characteristic and cadmium pollution soil restorative procedure |
Non-Patent Citations (2)
| Title |
|---|
| 常萧楠: "竹炭和壳聚糖对聚氯乙烯基木塑复合材料界面性能的影响", 《复合材料学报》 * |
| 梁月荣: "《茶资源综合利用》", 30 November 2013, 浙江大学出版社 * |
Cited By (12)
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|---|---|---|---|---|
| CN109651732A (en) * | 2018-12-26 | 2019-04-19 | 山东霞光集团有限公司 | A kind of charcoal modified composite material of woods and plastics and preparation method thereof |
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| CN110395941A (en) * | 2019-08-01 | 2019-11-01 | 北京理工大学珠海学院 | Charcoal based thermoset applications composite material and preparation method |
| CN110698807A (en) * | 2019-09-12 | 2020-01-17 | 泉州龙晟轻工有限公司 | Recycled plastic for 3D printing and preparation method thereof |
| CN111014281A (en) * | 2019-12-30 | 2020-04-17 | 肇庆市武大环境技术研究院 | Multi-biochar combined microorganism composite material for petroleum-polluted soil remediation and preparation method and application thereof |
| CN111014281B (en) * | 2019-12-30 | 2021-06-04 | 肇庆市武大环境技术研究院 | Multi-biochar combined microorganism composite material for petroleum-polluted soil remediation and preparation method and application thereof |
| CN112063191A (en) * | 2020-08-20 | 2020-12-11 | 咖法科技(上海)有限公司 | Tea residue wood plastic and preparation method thereof |
| CN112063191B (en) * | 2020-08-20 | 2022-08-02 | 咖法科技(上海)有限公司 | Tea residue wood plastic and preparation method thereof |
| CN115093716A (en) * | 2022-06-28 | 2022-09-23 | 安徽爱瑞德新材料有限公司 | Bio-based wood-plastic composite material and preparation method thereof |
| CN115216075A (en) * | 2022-08-29 | 2022-10-21 | 山西农业大学 | Antistatic wood-plastic composite material and preparation method thereof |
| CN115403865A (en) * | 2022-10-15 | 2022-11-29 | 温州市梵特日用品有限公司 | Antibacterial degradable plastic particle containing nano-silver and preparation method thereof |
| CN117363046A (en) * | 2023-10-31 | 2024-01-09 | 恩平市健琪新材料科技有限公司 | PP material and preparation method thereof |
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