CN107163605A - A kind of high heat conduction wood moulding and preparation method thereof - Google Patents
A kind of high heat conduction wood moulding and preparation method thereof Download PDFInfo
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- CN107163605A CN107163605A CN201710517389.0A CN201710517389A CN107163605A CN 107163605 A CN107163605 A CN 107163605A CN 201710517389 A CN201710517389 A CN 201710517389A CN 107163605 A CN107163605 A CN 107163605A
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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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- 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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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- Polymers & Plastics (AREA)
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- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
A kind of high heat conduction wood moulding, it is characterised in that the high heat conduction wood moulding component is constituted by weight is：80 100 parts of thermoplastic resin, 100 110 parts of wood powder, 10 12 parts of compatilizer, 57 parts of modified graphite, 68 parts of coupling agent, CaCO310 15 parts, 8 12 parts of lubricant, 68 parts of toughener.The present invention uses modified graphite material, improve graphite and interface compatibility, the thermal conductivity of Wood-plastic material is improved simultaneously, the present invention greatly increases the interfacial bonding property of wood powder, resin and other auxiliary materials using maleic anhydride grafted high density PEF as compatilizer, then improves the mechanical property of material.
Description
Technical field
The present invention relates to Wood-plastic material, more particularly to a kind of high heat conduction wood moulding and preparation method thereof.
Background technology
Wood plastic composite (wood plastic composite, referred to as " WPC ") is surging forward in recent years both at home and abroad
One class advanced composite material (ACM), utilizes polyethylene, polypropylene and polyvinyl chloride Polymer material, instead of usual during the composite
Resin adhesive, be mixed into new wooden material with the useless string such as wood powder, rice husk, stalk more than more than 35% -70%
Material, then through plastic processings such as extruding, molding, injection mouldings, the sheet material or section bar produced.Wood plastic composite has very
Many premium properties, it is mainly used in the industries such as building materials, furniture, decoration.
And often use high heat conduction material in terms of interior decoration, heat exchange engineering, heating engineering, Electronics and Information Engineering now
Material.It is the non-conductor of heat however, number Polymer Thermal Conductivities big absolutely are extremely low, it is necessary to add that thermal conductivity factor is higher to fill out
Material is filled to improve the heat conductivility of Wood-plastic material.
The content of the invention
The purpose of the present invention is a kind of high heat conduction wood moulding and its processing method, and the high heat conduction wood moulding is with wood powder and hybrid resin
For primary raw material, it is aided with various auxiliary agents, the composite heat conductivility obtained by preparation is high, excellent in mechanical performance.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of high heat conduction wood moulding, it is characterised in that the high heat conduction wood moulding component is constituted by weight is：Thermoplastic resin
80-100 parts, 100-110 parts of wood powder, 10-12 parts of compatilizer, 5-7 parts of modified graphite, 6-8 parts of coupling agent, CaCO310-15 parts,
8-12 parts of lubricant, 6-8 parts of toughener.
Further, the thermoplastic resin is HDPE.
Further, the HDPE resin melt index is 0.25g/10min.
Further, the wood powder is that fineness is 150 mesh.
Further, the compatilizer is maleic anhydride grafted high density PEF.
Further, the modified graphite preparation method：It is low by graphite in being added after being dried at 110 DEG C in high-speed mixer
Speed, which draws to mix, is warming up to 100 DEG C, and the ethanol solution burnt containing 3- aminopropyl triethoxies osmanthus is added dropwise into mixed at high speed in three times
In machine, coupling agent consumption be graphite quality 5%, high-speed stirred about after, stop stirring, after cooling discharge, modified graphite
24h is dried at 110 DEG C standby.
Further, the coupling agent is aluminate coupling agent.
Further, the plasticizer is the one or more in castor oil, wasabi essential oil
Further, the toughener is dendroid haloflex.
A kind of high heat conduction wood moulding preparation method, is carried out as follows：
1) by dried wood powder in high-speed mixer with dried CaCO3First mix, when temperature is increased to 80 DEG C
When add and coupling agent and stir, add resin, modified graphite, CaCO3, toughener, be eventually adding lubricant agent.Complete
Continue to stir 8-10 minutes after portion's added material；100 DEG C of mixing temperature, mixing speed is 600rpm.
2) material after above-mentioned stirring is cooled to 40 DEG C or so dischargings.
3) powder after the completion of mixing is added to rate of feeding for 6r/min, and engine speed squeezes for 28r/min twin-screw
Go out and melting mixing is carried out in machine, cross-head leading portion installs the preforming tool of customization, then by fused materials in setting temperature
It is all hot pressing 2 minutes on 175 DEG C of plastic pressure forming machine to spend for upper and lower plates, is cold-pressed 2 minutes, high heat conduction wood and plastic composite is made
Material.
Compared with the prior art, the present invention has the beneficial effect that：
The present invention use modified graphite material, improve graphite and interface compatibility, while improving leading for Wood-plastic material
It is hot.
The present invention using maleic anhydride grafted high density PEF as compatilizer greatly increase wood powder, resin and other
The interfacial bonding property of auxiliary material, then improves the mechanical property of material.
In wood plastic composite preparation technology of the present invention, lubricant is eventually adding kneading, wood plastic composite is reduced
Water absorbing properties.
Embodiment
Embodiment 1：
Raw material：
100 parts of resin, 110 parts of wood powder, 10 parts of compatilizer, 7 parts of modified graphite, 6 parts of coupling agent, CaCO315 parts, lubricant
8 parts, 8 parts of toughener.
Wherein, thermoplastic resin is the HDPE that melt index is 0.25g/10min；Wood powder is that fineness is 150 mesh；Compatilizer
For maleic anhydride grafted high density PEF；The modified graphite preparation method：Graphite is added at a high speed after being dried at 110 DEG C
In mixer, low speed, which is drawn to mix, is warming up to 100 DEG C, and the ethanol solution containing APTES is added dropwise in three times
Enter in high-speed mixer, coupling agent consumption be graphite quality 5%, high-speed stirred about after, stop stirring, after cooling discharge, change
Property after graphite at 110 DEG C dry 24h it is standby；Coupling agent is aluminate coupling agent；Plasticizer is castor oil, wasabi essential oil
In one or more；Toughener is dendroid haloflex.
Preparation method：
1) by dried wood powder in high-speed mixer with dried CaCO3First mix, when temperature is increased to 80 DEG C
When add and coupling agent and stir, add resin, modified graphite, CaCO3, toughener, be eventually adding lubricant agent.Complete
Continue to stir 8 minutes after portion's added material；100 DEG C of mixing temperature, mixing speed is 600rpm.
2) material after above-mentioned stirring is cooled to 40 DEG C or so dischargings.
3) powder after the completion of mixing is added to rate of feeding for 6r/min, and engine speed squeezes for 28r/min twin-screw
Go out and melting mixing is carried out in machine, cross-head leading portion installs the preforming tool of customization, then by fused materials in setting temperature
It is all hot pressing 2 minutes on 175 DEG C of plastic pressure forming machine to spend for upper and lower plates, is cold-pressed 2 minutes, high heat conduction wood and plastic composite is made
Material.
Embodiment 2：
Raw material：
90 parts of resin, 100 parts of wood powder, 11 parts of compatilizer, 6 parts of modified graphite, 6.8 parts of coupling agent, CaCO313 parts, lubrication
10 parts of agent, 7 parts of toughener.
Wherein, thermoplastic resin is the HDPE that melt index is 0.25g/10min；Wood powder is that fineness is 150 mesh；Compatilizer
For maleic anhydride grafted high density PEF；Modified graphite preparation method：Graphite is added into mixed at high speed after being dried at 110 DEG C
In machine, low speed, which is drawn to mix, is warming up to 100 DEG C, and the ethanol solution burnt containing 3- aminopropyl triethoxies osmanthus is added dropwise into height in three times
In fast mixer, coupling agent consumption be graphite quality 5%, high-speed stirred about after, stop stirring, after cooling discharge, it is modified
Graphite at 110 DEG C dry 24h it is standby；Coupling agent is aluminate coupling agent；During plasticizer is castor oil, wasabi essential oil
It is one or more kinds of；Toughener is dendroid haloflex.
Preparation method：
1) by dried wood powder in high-speed mixer with dried CaCO3First mix, when temperature is increased to 80 DEG C
When add and coupling agent and stir, add resin, modified graphite, CaCO3, toughener, be eventually adding lubricant agent.Complete
Continue to stir 10 minutes after portion's added material；100 DEG C of mixing temperature, mixing speed is 600rpm.
2) material after above-mentioned stirring is cooled to 40 DEG C or so dischargings.
3) powder after the completion of mixing is added to rate of feeding for 6r/min, and engine speed squeezes for 28r/min twin-screw
Go out and melting mixing is carried out in machine, cross-head leading portion installs the preforming tool of customization, then by fused materials in setting temperature
It is all hot pressing 2 minutes on 175 DEG C of plastic pressure forming machine to spend for upper and lower plates, is cold-pressed 2 minutes, high heat conduction wood and plastic composite is made
Material.
Embodiment 3：
Raw material：
80 parts of resin, 80 parts of wood powder, 12 parts of compatilizer, 6 parts of modified graphite, 6.8 parts of coupling agent, CaCO310 parts, lubricant
8 parts, 6 parts of toughener.
Wherein, thermoplastic resin is the HDPE that melt index is 0.25g/10min；Wood powder is that fineness is 150 mesh；Compatilizer
For maleic anhydride grafted high density PEF；Modified graphite preparation method：Graphite is added into mixed at high speed after being dried at 110 DEG C
In machine, low speed, which is drawn to mix, is warming up to 100 DEG C, and the ethanol solution burnt containing 3- aminopropyl triethoxies osmanthus is added dropwise into height in three times
In fast mixer, coupling agent consumption be graphite quality 5%, high-speed stirred about after, stop stirring, after cooling discharge, it is modified
Graphite at 110 DEG C dry 24h it is standby；Coupling agent is aluminate coupling agent；During plasticizer is castor oil, wasabi essential oil
It is one or more kinds of；Toughener is dendroid haloflex.
Preparation method：
1) by dried wood powder in high-speed mixer with dried CaCO3First mix, when temperature is increased to 80 DEG C
When add and coupling agent and stir, add resin, modified graphite, CaCO3, toughener, be eventually adding lubricant agent.Complete
Continue to stir 10 minutes after portion's added material；100 DEG C of mixing temperature, mixing speed is 600rpm.
2) material after above-mentioned stirring is cooled to 40 DEG C or so dischargings.
3) powder after the completion of mixing is added to rate of feeding for 6r/min, and engine speed squeezes for 28r/min twin-screw
Go out and melting mixing is carried out in machine, cross-head leading portion installs the preforming tool of customization, then by fused materials in setting temperature
It is all hot pressing 2 minutes on 175 DEG C of plastic pressure forming machine to spend for upper and lower plates, is cold-pressed 2 minutes, high heat conduction wood and plastic composite is made
Material.
The performance test results are as shown in the table：
Table 1
| Title | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Bending strength, MPa | 23 | 22 | 25 |
| Absorptivity (24h) % | 1.2 | 1.5 | 1.3 |
| Thermal conductivity (w/ (m*K)) | 1.21 | 1.3 | 1.25 |
| The modulus of elasticity in static bending, MPa | 2320 | 2535 | 2403 |
| Tensile strength, MPa | 22 | 25 | 23.4 |
| Impact strength, KJ/m2 | 6.55 | 6.9 | 6.73 |
In above example, unless otherwise noted, its component is prior art products purchased in market.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (5)
1. a kind of high heat conduction wood moulding, it is characterised in that the high heat conduction wood moulding component is constituted by weight is：Thermoplastic resin
80-100 parts, 100-110 parts of wood powder, 10-12 parts of compatilizer, 5-7 parts of modified graphite, 6-8 parts of coupling agent, CaCO310-15 parts,
8-12 parts of lubricant, 6-8 parts of toughener.
2. a kind of high heat conduction wood moulding according to claim 1, it is characterised in that the thermoplastic resin is HDPE.
3. a kind of high heat conduction wood moulding according to claim 1, it is characterised in that the HDPE resin melt index is
0.25g/10min。
4. a kind of high heat conduction wood moulding according to claim 1, it is characterised in that the compatilizer is that maleic anhydride is grafted height
Density polyethylene.
5. a kind of preparation method of high heat conduction wood moulding, it is characterised in that carry out as follows：
1) by dried wood powder in high-speed mixer with dried CaCO3First mix, added when temperature is increased to 80 DEG C
Coupling agent simultaneously stirs, and adds resin, modified graphite, CaCO3, toughener, be eventually adding lubricant agent.In whole additions
Continue to stir 8-10 minutes after material；100 DEG C of mixing temperature, mixing speed is 600rpm.
2) material after above-mentioned stirring is cooled to 40 DEG C or so dischargings.
3) powder after the completion of mixing is added to rate of feeding for 6r/min, and engine speed is 28r/min double screw extruder
Middle carry out melting mixing, cross-head leading portion installs the preforming tool of customization, is then in design temperature by fused materials
Upper and lower plates are all hot pressing 2 minutes on 175 DEG C of plastic pressure forming machine, are cold-pressed 2 minutes, and high heat conduction wood plastic composite is made.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710517389.0A CN107163605A (en) | 2017-06-29 | 2017-06-29 | A kind of high heat conduction wood moulding and preparation method thereof |
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| CN201710517389.0A CN107163605A (en) | 2017-06-29 | 2017-06-29 | A kind of high heat conduction wood moulding and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955384A (en) * | 2017-11-27 | 2018-04-24 | 南通新邦化工科技有限公司 | A kind of wood plastic composite and preparation method thereof |
| CN114479502A (en) * | 2022-02-08 | 2022-05-13 | 安徽红树林新材料科技有限公司 | Environment-friendly PE wood-plastic composite board and preparation method thereof |
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| CN105385180A (en) * | 2015-11-18 | 2016-03-09 | 中国科学院理化技术研究所 | Heat-conducting wood composite material and preparation method thereof |
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| CN106589519A (en) * | 2016-11-02 | 2017-04-26 | 北京林业大学 | Phase-change heat-storage wood-plastic composite and preparation method thereof |
| CN106750999A (en) * | 2016-12-26 | 2017-05-31 | 浙江普利特新材料有限公司 | One kind has high-termal conductivity, environmentally friendly PP composite material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107955384A (en) * | 2017-11-27 | 2018-04-24 | 南通新邦化工科技有限公司 | A kind of wood plastic composite and preparation method thereof |
| CN114479502A (en) * | 2022-02-08 | 2022-05-13 | 安徽红树林新材料科技有限公司 | Environment-friendly PE wood-plastic composite board and preparation method thereof |
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