CN106752011A - Wood plastic composite of high temperature process and preparation method thereof - Google Patents
Wood plastic composite of high temperature process and preparation method thereof Download PDFInfo
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- CN106752011A CN106752011A CN201710015125.5A CN201710015125A CN106752011A CN 106752011 A CN106752011 A CN 106752011A CN 201710015125 A CN201710015125 A CN 201710015125A CN 106752011 A CN106752011 A CN 106752011A
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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
-
- 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
-
- 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
-
- 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
- B29C48/92—Measuring, controlling or regulating
-
- 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
-
- 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
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer 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
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
Wood plastic composite of high-temperature molding and preparation method thereof, the invention belongs to the technical field of wood plastic composite and preparation method thereof.Prepared the invention aims to solve the problems, such as that wood plastic composite is difficult to high temperature.Wood plastic composite of the invention includes improved plant material, general-purpose plastics, coupling agent or interfacial compatibilizer, lubricant, heat stabilizer and mineral filler；The improved plant material is modified dose of modified vegetable material.Its preparation method is：First, vegetable material is modified treatment using modifying agent, 2nd, modified vegetable material is mixed with thermoplastic, coupling agent, lubricant, heat stabilizer and mineral filler, 3rd, the mixture for obtaining step 2 is by double-screw melt blending, and four, blend composition is added extrusion molding in extruder, through injection machine injection moulding or hot-forming through hot press；Or modifying agent solid is directly carried out the operation of above-mentioned two, three and four steps with other solids.
Description
Technical field
The invention belongs to the technical field of wood plastic composite and preparation method thereof.
Background technology
Wood plastic composite refers to, using plant fiber powder and thermoplastic (containing recycled plastic), to be processed through melting mixing
The green material being made.It has the feature performance benefit of both lignocellulosic material and macromolecular material, i.e. dimensional stability concurrently
Good, good, corrosion resistance of water resistance etc., therefore it is widely used in building product as the substitute of solid wood material or pure plastics
The fields such as product, automobile, gardens and outdoor facility, quickly grow.But because the thermal degradation temperature of string is relatively low, cause wood
The processing temperature of plastic composite materials is restricted.
Improving the processing temperature of wood plastic composite can reduce the viscosity of plastic substrate, improve the mobility of resin, change
Kind resin, so as to reduce the defect of wood plastic composite, is conducive to improving the physics of wood plastic composite to the wellability of wood powder
Mechanical property, but processing temperature is too high, can cause the degraded of wood powder.
String is mainly and is made up of cellulose, three kinds of macromolecular compounds of hemicellulose and lignin.When processing temperature
When degree is more than 200 DEG C, the lignin and hemicellulose that string takes place in thermal degradation, particularly string drop
Solution situation is even more serious, causes string to carbonize blackening, self-strength reduction, so as to cause wood plastic composite presentation quality
Decline, intensity decreases.
The content of the invention
The invention aims to solve the problems, such as that wood plastic composite is difficult to high temperature process, so as to be prepared for height
Wood plastic composite of temperature shaping and preparation method thereof.
The wood plastic composite of high-temperature molding of the invention includes improved plant material, general-purpose plastics, coupling agent or interface
Compatilizer, lubricant, heat stabilizer and mineral filler；The improved plant material is modified dose of modified vegetable material.
Improved plant material is 10~100 parts by weight, and general-purpose plastics is 20~100 parts, coupling agent or interface phase
It is 0~20 part to hold agent, and lubricant is 0~15 part, and heat stabilizer is the mineral filler of 0~15 part and 0~50 part.
Described general-purpose plastics is polypropylene, polyethylene, polystyrene, acrylonitrile-butadiene-styrene copolymer, poly-
The mixture of one or more in vinyl chloride；Described coupling agent is silane coupling agent, titante coupling agent, maleic acid
The mixture of one or more in acid anhydride, maleic anhydride stem grafting polyolefin, isocyanates；Described lubricant be Tissuemat E,
The mixture of one or more in polypropylene wax, paraffin, stearic acid, zinc stearate, calcium stearate；Described heat stabilizer is
Dibutyl tin laurate, tin dilaurate dioctyl tin, maleic acid dialkyl tin, double (butyl maleate) dibutyl tins, horse
One kind for coming in sour dioctyl tin, dioctyl tin double (TGA isobutyl ester), dioctyl tin double (isooctyl thioglycolates) or
Several mixtures；Described mineral filler is one or more in Paris white, calcium silicate powder, talcum powder, flyash
Mixture.
The modifying agent is mixed including one or more in boric acid, soluble borate, silicic acid and soluble silicate
Compound.
The vegetable material is the mixing of one or more in timber, rice husk, bamboo wood, fiber crops, stalk, coffee shell, shell
Thing.
The weight of the modifying agent accounts for the 0.1%~50% of modifying agent and vegetable material gross weight.
The temperature of the modifier modification vegetable material is 50 DEG C~250 DEG C.
The wood and plastic composite preparation method for material of high-temperature molding of the invention is carried out according to the following steps：
First, modifier solution is configured first, and vegetable material is then made threadiness or powdery, and it is equal with modifier solution
Even mixing, obtains mixture, then mixture is dried, and obtains modified vegetable material；
2nd, the modified vegetable material and general-purpose plastics, coupling agent or interfacial compatibilizer that prepare step one, lubricant,
Heat stabilizer and mineral filler are well mixed, obtain mixture；
3rd, the mixture for obtaining step 2 is by double-screw melt blending, obtains blend composition, and processing temperature is 160 DEG C~
300℃；
4th, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, is obtained
To the wood plastic composite of high temperature process；
Or the preparation method is carried out according to the following steps：
First, using high mixer by modifying agent solid, be made threadiness or powdery vegetable material and general-purpose plastics, coupling agent
Or interfacial compatibilizer, lubricant, heat stabilizer and mineral filler are well mixed, obtain mixture；
2nd, the mixture that will be obtained obtains blend composition by double-screw melt blending, and processing temperature is 160 DEG C~300 DEG C；
3rd, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, is obtained
To the wood plastic composite of high temperature process.
It is described that blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder
Temperature is 180 DEG C~300 DEG C.
The present invention is relative to the advantage of prior art：
Relative to the processing technology of current wood plastic composite, high temperature prepares wood plastic composite and can improve composite
Boundary strength, so as to make it have mechanical strength and modulus higher.Composite wood is imparted by modification vegetable material
Material antiseptic fire-retardation function, and by the compound resistance leachability that improve modifying agent with plastics.Additionally, improve processing temperature can be with
Improve the mobility of plastic substrate so as to improve the adding proportion of biomass material, reduces cost.
Specific embodiment
Technical solution of the present invention is not limited to act specific embodiment set forth below, also including between each specific embodiment
Any combination.Any modification, equivalent substitution and improvements done in the case of without departing from present disclosure and scope etc.,
Should be included within protection scope of the present invention.
Specific embodiment one：The wood plastic composite of the high temperature process of present embodiment includes improved plant material, leads to
With plastics, coupling agent or interfacial compatibilizer, lubricant, heat stabilizer and mineral filler；The improved plant material is through changing
Property the modified vegetable material of agent.
Specific embodiment two：Present embodiment from unlike specific embodiment one, improved plant by weight
Material is 10~100 parts, and general-purpose plastics is 20~100 parts, and coupling agent or interfacial compatibilizer are 0~20 part, and lubricant is 0~15
Part, heat stabilizer is the mineral filler of 0~15 part and 0~50 part.Other steps are identical with specific embodiment one with parameter.
Specific embodiment three：From unlike specific embodiment one, described general-purpose plastics is poly- to present embodiment
The mixture of one or more in propylene, polyethylene, polystyrene, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride；
Described coupling agent is silane coupling agent, titante coupling agent, maleic anhydride, maleic anhydride stem grafting polyolefin, isocyanic acid
The mixture of one or more in ester；Described lubricant is Tissuemat E, polypropylene wax, paraffin, stearic acid, stearic acid
The mixture of one or more in zinc, calcium stearate；Described heat stabilizer is dibutyl tin laurate, tin dilaurate two
Double (the sulfydryls of tin octylate, maleic acid dialkyl tin, double (butyl maleate) dibutyl tins, dioctyl tin maleate, dioctyl tin
Isobutyl acetate), the mixture of one or more in dioctyl tin double (isooctyl thioglycolate)；Described mineral filler
It is the mixture of one or more in Paris white, calcium silicate powder, talcum powder, flyash.Other steps and parameter with it is specific
Implementation method one is identical.
Specific embodiment four：Present embodiment from unlike specific embodiment one, the modifying agent include boric acid,
The mixture of one or more in soluble borate, silicic acid and soluble silicate.Other steps and parameter and specific reality
Apply mode one identical.
Specific embodiment five：Present embodiment from unlike specific embodiment one, the vegetable material be timber,
The mixture of one or more in rice husk, bamboo wood, fiber crops, stalk, coffee shell, shell.Other steps and parameter and specific implementation
Mode one is identical.
Specific embodiment six：From unlike specific embodiment one, the weight of the modifying agent is accounted for present embodiment
Modifying agent and the 0.1%~50% of vegetable material gross weight.Other steps are identical with specific embodiment one with parameter.
Specific embodiment seven：Present embodiment from unlike specific embodiment one, the modifier modification plant
The temperature of material is 50 DEG C~250 DEG C.Other steps are identical with specific embodiment one with parameter.
Specific embodiment eight：The preparation method of the wood plastic composite of the high-temperature molding as described in specific embodiment one
Carry out according to the following steps：
First, modifier solution is configured first, and vegetable material is then made threadiness or powdery, and it is equal with modifier solution
Even mixing, obtains mixture, then mixture is dried, and obtains modified vegetable material；
2nd, the modified vegetable material and general-purpose plastics, coupling agent or interfacial compatibilizer that prepare step one, lubricant,
Heat stabilizer and mineral filler are well mixed, obtain mixture；
3rd, the mixture for obtaining step 2 is by double-screw melt blending, obtains blend composition, and processing temperature is 160 DEG C~
300℃；
4th, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, is obtained
To the wood plastic composite of high temperature process；
Or the preparation method is carried out according to the following steps：
First, using high mixer by modifying agent solid, be made threadiness or powdery vegetable material and general-purpose plastics, coupling agent
Or interfacial compatibilizer, lubricant, heat stabilizer and mineral filler are well mixed, obtain mixture；
2nd, the mixture that will be obtained obtains blend composition by double-screw melt blending, and processing temperature is 160 DEG C~300 DEG C；
3rd, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, is obtained
To the wood plastic composite of high-temperature molding.
Specific embodiment nine：Present embodiment from unlike specific embodiment eight, the modifying agent include boric acid,
The mixture of one or more in soluble borate, silicic acid and soluble silicate.Other steps and parameter and specific reality
Apply mode eight identical.
Specific embodiment ten：Present embodiment from unlike specific embodiment eight, squeeze by described add blend composition
Go out extrusion molding in machine, through injection machine injection moulding or through the hot-forming temperature of hot press be 180 DEG C~300 DEG C.Other steps
Suddenly it is identical with specific embodiment eight with parameter.
Embodiment 1
The preparation method of the wood plastic composite of the high temperature process of the present embodiment is carried out according to the following steps：
First, BAS is configured first, then uniformly mixes wood powder and BAS, obtain mixture, then by mixture
Drying, obtains modified wood powder raw material；The weight of the boric acid accounts for the 8% of wood powder and boric acid gross weight.
2nd, 30 parts of 60 parts of the wood powder raw material for preparing step one and polypropylene, 5 parts of silane coupler, 2 parts of Tissuemat E,
1 part of 2 parts of dibutyl tin laurate and Paris white are well mixed, and obtain mixture；
3rd, the mixture for obtaining step 2 obtains blend composition by double-screw melt blending, and processing temperature is 200 DEG C；
4th, by blend composition through injection machine injection moulding, injection temperature is 220 DEG C, obtains the wood and plastic composite of high-temperature molding
Material.
The polypropylene/wood powder composite material of the wood powder content high that high-temperature injection is molded has been obtained by the present embodiment.
Embodiment 2
The preparation method of the wood plastic composite of the high-temperature molding of the present embodiment is carried out according to the following steps：
First, using high mixer by 50 parts of boric acid solid, 5 parts of silicic acid, 30 parts of 50 parts of wood powder raw material and polyethylene, silane coupled
1 part of 5 parts of agent, 2 parts of Tissuemat E, 2 parts of dibutyl tin laurate and Paris white are well mixed, and obtain mixture；
2nd, the mixture that will be obtained obtains blend composition by double-screw melt blending, and processing temperature is 200 DEG C；
3rd, by blend composition through injection machine injection moulding, injection temperature is 240 DEG C, obtains the wood and plastic composite of high-temperature molding
Material.
Polyethylene/the wood flour composite material of the wood powder content high that high-temperature injection is molded has been obtained by the present embodiment.
Claims (10)
1. the wood plastic composite of high-temperature molding, it is characterised in that：The wood plastic composite includes improved plant material, general plastic
Material, coupling agent or interfacial compatibilizer, lubricant, heat stabilizer and mineral filler；The improved plant material is modified dose
Modified vegetable material.
2. the wood plastic composite of high-temperature molding according to claim 1, it is characterised in that：Improved plant by weight
Material is 10~100 parts, and general-purpose plastics is 20~100 parts, and coupling agent or interfacial compatibilizer are 0~20 part, and lubricant is 0~15
Part, heat stabilizer is the mineral filler of 0~15 part and 0~50 part.
3. the wood plastic composite of high-temperature molding according to claim 1 and 2, it is characterised in that：Described general-purpose plastics
It is one or more mixed in polypropylene, polyethylene, polystyrene, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride
Compound；Described coupling agent is silane coupling agent, titante coupling agent, maleic anhydride, maleic anhydride stem grafting polyolefin, different
The mixture of one or more in cyanate；Described lubricant is Tissuemat E, polypropylene wax, paraffin, stearic acid, tristearin
The mixture of one or more in sour zinc, calcium stearate；Described heat stabilizer is dibutyl tin laurate, tin dilaurate
Double (the mercaptos of dioctyl tin, maleic acid dialkyl tin, double (butyl maleate) dibutyl tins, dioctyl tin maleate, dioctyl tin
Guanidine-acetic acid isobutyl ester), the mixture of one or more in dioctyl tin double (isooctyl thioglycolate)；Described mineral matter is filled out
Expect to be the mixture of one or more in Paris white, calcium silicate powder, talcum powder, flyash.
4. the wood plastic composite of high-temperature molding according to claim 1 and 2, it is characterised in that：The modifying agent includes
The mixture of one or more in boric acid, soluble borate, silicic acid and soluble silicate.
5. the wood plastic composite of high-temperature molding according to claim 1 and 2, it is characterised in that：The vegetable material is
The mixture of one or more in timber, rice husk, bamboo wood, fiber crops, stalk, coffee shell, shell.
6. the wood plastic composite of high-temperature molding according to claim 1 and 2, it is characterised in that：The modifier modification
The temperature of vegetable material is 50 DEG C~250 DEG C.
7. the preparation method of the wood plastic composite of high-temperature molding as claimed in claim 1, it is characterised in that：The preparation method
Carry out according to the following steps：
First, modifier solution is configured first, vegetable material is then made threadiness or powdery, and uniformly mix with modifier solution
Close, obtain mixture, then mixture is dried, obtain modified vegetable material；
2nd, modified vegetable material and general-purpose plastics, coupling agent or interfacial compatibilizer, lubricant, the heat for preparing step one are surely
Determine agent and mineral filler is well mixed, obtain mixture；
3rd, the mixture for obtaining step 2 obtains blend composition by double-screw melt blending, and processing temperature is 160 DEG C~300
℃；
4th, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, obtains height
The wood plastic composite of warm working；
Or the preparation method is carried out according to the following steps：
First, using high mixer by modifying agent solid, be made threadiness or powdery vegetable material and general-purpose plastics, coupling agent or boundary
Face compatilizer, lubricant, heat stabilizer and mineral filler are well mixed, and obtain mixture；
2nd, the mixture that will be obtained obtains blend composition by double-screw melt blending, and processing temperature is 160 DEG C~300 DEG C；
3rd, blend composition is added into extrusion molding, through injection machine injection moulding or hot-forming through hot press in extruder, obtains height
The wood plastic composite of warm working.
8. the preparation method of the wood plastic composite of high-temperature molding according to claim 7, it is characterised in that：It is described modified
Agent includes the mixture of one or more in boric acid, soluble borate, silicic acid and soluble silicate.
9. the preparation method of the wood plastic composite of the high-temperature molding according to claim 7 or 8, it is characterised in that：By weight
Amount number improved plant material is 10~100 parts, and general-purpose plastics is 20~100 parts, and coupling agent or interfacial compatibilizer are 0~20
Part, lubricant is 0~15 part, and heat stabilizer is the mineral filler of 0~15 part and 0~50 part.
10. the preparation method of the wood plastic composite of the high-temperature molding according to claim 7 or 8, it is characterised in that：It is described
By blend composition add extruder in extrusion molding, through injection machine injection moulding or through the hot-forming temperature of hot press be 180 DEG C
~300 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710015125.5A CN106752011A (en) | 2017-01-10 | 2017-01-10 | Wood plastic composite of high temperature process and preparation method thereof |
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| CN201710015125.5A CN106752011A (en) | 2017-01-10 | 2017-01-10 | Wood plastic composite of high temperature process and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107118421A (en) * | 2017-06-13 | 2017-09-01 | 芜湖桑健电子科技有限公司 | A kind of high temperature resistant wood plastic composite and preparation method thereof |
| CN107177074A (en) * | 2017-06-13 | 2017-09-19 | 芜湖桑健电子科技有限公司 | A kind of high-strength wood plastic composite and preparation method thereof |
| CN107177075A (en) * | 2017-06-13 | 2017-09-19 | 芜湖桑健电子科技有限公司 | A kind of high-strength wood plastic composite and preparation method thereof |
| CN107418029A (en) * | 2017-06-13 | 2017-12-01 | 芜湖桑健电子科技有限公司 | A kind of high-temperature-resistant high wood plastic composite and preparation method thereof |
| CN107418030A (en) * | 2017-06-13 | 2017-12-01 | 芜湖桑健电子科技有限公司 | A kind of high-temperature-resistant high wood plastic composite and preparation method thereof |
| CN108189191A (en) * | 2017-12-29 | 2018-06-22 | 连城县丰海竹木业有限公司 | A kind of production technology that environmentally friendly Wood-plastic floor is made using waste wood |
| CN110643191A (en) * | 2019-09-29 | 2020-01-03 | 西南林业大学 | Wood-plastic composite material based on lignin and coffee shell powder and preparation method thereof |
| CN111925579A (en) * | 2020-07-12 | 2020-11-13 | 武汉柒合兴制造有限公司 | Wood-plastic board processing technology |
| 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 |
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