CN108752723A - A kind of preparation method of thermal conductivity plastic composite - Google Patents
A kind of preparation method of thermal conductivity plastic composite Download PDFInfo
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- CN108752723A CN108752723A CN201810521761.XA CN201810521761A CN108752723A CN 108752723 A CN108752723 A CN 108752723A CN 201810521761 A CN201810521761 A CN 201810521761A CN 108752723 A CN108752723 A CN 108752723A
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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
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- 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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- 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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- Life Sciences & Earth Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention belongs to heat conduction new material technology fields, more particularly to a kind of preparation method of thermal conductivity plastic composite, including with six rings standby six ring mountain flours made of stones, compound material is prepared with nano zine oxide, microwax, cetrimonium bromide, glycidyl methacrylate again, and then prepares plastic composite.The present invention has the following advantages compared with prior art：Pass through the reasonable processing to six ring stones, make it have preferable dispersibility, it can be with plastic basis material effective integration and with stronger mechanical property, the materials such as cooperation bamboo and woods fiber powder are prepared under proper condition, it can ensure the thermal conductivity of composite material on the basis of reducing nano oxidized Zinc supplementation, production cost is reduced, is suitable for promoting production.
Description
Technical field
The invention belongs to heat conduction new material technology fields, and in particular to a kind of preparation side of thermal conductivity plastic composite
Method.
Background technology
Timber and rubber composite manufacturing new material are the completely new research fields risen from the U.S. last century end, with wooden original
Material and rubber are two-phase, addition or do not add other adhesives composite material is made, and pass through add isocyanates in the prior art
Composite material is made as adhesive, has larger impact to the physical and mechanical property of resulting materials, later respectively with isocyanates,
Phenolic resin, Lauxite can improve the mechanical performance of material as adhesive, utilize MDI- resins wheat straw/waste tire
Composite board has the performances such as good sound insulation, thermal insulation, anti-corruption；With the development of industrial production and science and technology, people are to leading
Hot material comprehensive performance demand is higher and higher, and the materials such as traditional metal, ceramics can no longer meet the need of certain special occasions
It asks, such as the heat exchanger used in Chemical Manufacture and wastewater treatment, had not only needed material that there is the capacity of heat transmission, but also require its chemically-resistant
Corrosion, in addition metals resources are nervous, need that a kind of heat conductivility is stable, the material with corrosion resistance, and plastics, especially
The wooden composite rubber-plastic material is typically the non-conductor of heat, and pyroconductivity is less than or equal to 0.2W/（m·K）, add the same of Heat Conduction Material
When need to consider influence of the Heat Conduction Material to mechanical property.
Invention content
The purpose of the present invention is for existing problem, provide a kind of preparation method of thermal conductivity plastic composite.
The present invention is achieved by the following technical solutions：A kind of preparation method of thermal conductivity plastic composite, is related to
To being by weight for raw material components, include the following steps：
（1）By six ring stones be placed in mass concentration be 8-10% sodium hydroxide solution in impregnate 30-40 minutes, spent after taking-up from
Sub- water is rinsed to neutrality, is then transferred in calcining furnace, is calcined 1.5-2.5 hours under conditions of temperature is 740-760 DEG C, is completed
After crushed 200 mesh sieve, it is spare to obtain six ring mountain flours；
（2）Take 34-40 parts of above-mentioned six rings mountain flour, 6-8 parts of nano zine oxide, 3-5 parts of microwax, cetrimonium bromide
2-3 parts, 1-2 parts of glycidyl methacrylate ball milling in the ball mill, it is 65-75 DEG C, ratio of grinding media to material to keep ball mill temperature
For 10-14:1, rotating speed is 600-800 revs/min, and ball milling 2-4 hours obtains compound material；
（3）By 75-85 parts of plastic basis material, 15-25 parts of bamboo and woods fiber powder, 8-12 parts of compound material, adjusting control agent 1-3 parts of interface, lubrication
0.8-1.6 parts of agent seals mixing after mixing, obtains flaky mixture, and flaky mixture is sent into strong plastic pulverizer powder
It is broken into particle to obtain the final product.
As further improvement of these options, the grain size of the nano zine oxide is 100-140 mesh.
As further improvement of these options, the bamboo and woods fiber powder is to remove impurity from bamboo and wood processing factory leftover bits and pieces
After the material obtained afterwards is dried to water content less than 5%, it is 40-60 mesh powders to be ground into grain size.
As further improvement of these options, the density of the microwax is 0.85-0.88g/cm3, fusing point 70
℃。
As further improvement of these options, the plastic basis material is by linear low density polyethylene, high-density polyethylene
Alkene, ABS are with weight ratio 22-26:1-2:5-7 is mixed to get.
As further improvement of these options, the interface adjusting control agent is isocyanates；The lubricant is tristearin
One kind in sour calcium or magnesium stearate.
As further improvement of these options, the step（3）Middle melting temperature is 160-180 DEG C, mixing time
It is 20-30 minutes.
As further improvement of these options, the step（3）Gained particle barrel temperature be 160-170 DEG C,
Standard batten is made with injection (mo(u)lding) machine under conditions of injection pressure 8MPa, the dwell time is 15 seconds.
The present invention has the following advantages compared with prior art：By the reasonable processing to six ring stones, make it have preferable
Dispersibility, can be with plastic basis material effective integration and with stronger mechanical property, and the materials such as cooperation bamboo and woods fiber powder are appropriate
Under the conditions of prepare, can ensure the thermal conductivity of composite material on the basis of reducing nano oxidized Zinc supplementation, reduce production cost,
It is produced suitable for promoting.
Specific implementation mode
Embodiment 1
A kind of preparation method of thermal conductivity plastic composite, is related to being by weight for raw material components, includes the following steps：
（1）Six ring stones are placed in the sodium hydroxide solution that mass concentration is 9% and are impregnated 35 minutes, are rushed with deionized water after taking-up
It is washed till neutrality, is then transferred in calcining furnace, is calcined 2 hours under conditions of temperature is 750 DEG C, crushed 200 mesh sieve after the completion,
It is spare to obtain six ring mountain flours；
（2）Take above-mentioned 37 parts of six rings mountain flour, 7 parts of nano zine oxide, 4 parts of microwax, 2.5 parts of cetrimonium bromide,
1.5 parts of glycidyl methacrylate ball milling in the ball mill, to keep ball mill temperature be 70 DEG C, ratio of grinding media to material 12:1, turn
Speed is 700 revs/min, and ball milling 3 hours obtains compound material；
（3）By 1.2 parts of 80 parts of plastic basis material, 20 parts of bamboo and woods fiber powder, 10 parts of compound material, 2 parts of interface adjusting control agent, lubricant mixing
Sealing is kneaded after uniformly, obtains flaky mixture, and flaky mixture feeding strong plastic pulverizer is ground into particle to obtain the final product.
Wherein, the grain size of the nano zine oxide is 120 mesh；The bamboo and woods fiber powder is to be gone from bamboo and wood processing factory leftover bits and pieces
After being dried to water content less than 5% except the material obtained after impurity, it is 50 mesh powders to be ground into grain size；The microwax
Density be 0.86g/cm3, fusing point be 70 DEG C；The plastic basis material is by linear low density polyethylene, high density polyethylene (HDPE), ABS
With weight ratio 24:1.5:6 are mixed to get；The interface adjusting control agent is isocyanates；The lubricant is calcium stearate.
Wherein, the step（3）Middle melting temperature is 170 DEG C, and mixing time is 25 minutes；Gained particle is in barrel temperature
For standard batten is made with injection (mo(u)lding) machine under conditions of 165 DEG C, injection pressure 8MPa, the dwell time is 15 seconds.
Embodiment 2
A kind of preparation method of thermal conductivity plastic composite, is related to being by weight for raw material components, includes the following steps：
（1）Six ring stones are placed in the sodium hydroxide solution that mass concentration is 10% and are impregnated 40 minutes, are rushed with deionized water after taking-up
It is washed till neutrality, is then transferred in calcining furnace, is calcined 2.5 hours under conditions of temperature is 760 DEG C, crushed 200 mesh after the completion
Sieve, it is spare to obtain six ring mountain flours；
（2）Take above-mentioned 40 parts of six rings mountain flour, 6 parts of nano zine oxide, 3 parts of microwax, 2 parts of cetrimonium bromide, first
2 parts of base glycidyl acrylate ball milling in the ball mill, to keep ball mill temperature be 75 DEG C, ratio of grinding media to material 14:1, rotating speed is
600 revs/min, ball milling 4 hours obtains compound material；
（3）By 0.8 part of 85 parts of plastic basis material, 25 parts of bamboo and woods fiber powder, 12 parts of compound material, 3 parts of interface adjusting control agent, lubricant mixing
Sealing is kneaded after uniformly, obtains flaky mixture, and flaky mixture feeding strong plastic pulverizer is ground into particle to obtain the final product.
Wherein, the grain size of the nano zine oxide is 100 mesh；The bamboo and woods fiber powder is to be gone from bamboo and wood processing factory leftover bits and pieces
After being dried to water content less than 5% except the material obtained after impurity, it is 60 mesh powders to be ground into grain size；The microwax
Density be 0.85g/cm3, fusing point be 70 DEG C；The plastic basis material is by linear low density polyethylene, high density polyethylene (HDPE), ABS
With weight ratio 26:1:5 are mixed to get；The interface adjusting control agent is isocyanates；The lubricant is magnesium stearate.
Wherein, the step（3）Middle melting temperature is 180 DEG C, and mixing time is 30 minutes；Gained particle is in barrel temperature
For standard batten is made with injection (mo(u)lding) machine under conditions of 160 DEG C, injection pressure 8MPa, the dwell time is 15 seconds.
Embodiment 3
A kind of preparation method of thermal conductivity plastic composite, is related to being by weight for raw material components, includes the following steps：
（1）Six ring stones are placed in the sodium hydroxide solution that mass concentration is 8% and are impregnated 30 minutes, are rushed with deionized water after taking-up
It is washed till neutrality, is then transferred in calcining furnace, is calcined 1.5 hours under conditions of temperature is 740 DEG C, crushed 200 mesh after the completion
Sieve, it is spare to obtain six ring mountain flours；
（2）Take above-mentioned 34 parts of six rings mountain flour, 8 parts of nano zine oxide, 5 parts of microwax, 3 parts of cetrimonium bromide, first
1 part of base glycidyl acrylate ball milling in the ball mill, to keep ball mill temperature be 65 DEG C, ratio of grinding media to material 10:1, rotating speed is
800 revs/min, ball milling 2 hours obtains compound material；
（3）By 1.6 parts of 75 parts of plastic basis material, 15 parts of bamboo and woods fiber powder, 8 parts of compound material, 1 part of interface adjusting control agent, lubricant mixing
Sealing is kneaded after uniformly, obtains flaky mixture, and flaky mixture feeding strong plastic pulverizer is ground into particle to obtain the final product.
Wherein, the grain size of the nano zine oxide is 140 mesh；The bamboo and woods fiber powder is to be gone from bamboo and wood processing factory leftover bits and pieces
After being dried to water content less than 5% except the material obtained after impurity, it is 40 mesh powders to be ground into grain size；The microwax
Density be 0.88g/cm3, fusing point be 70 DEG C；The plastic basis material is by linear low density polyethylene, high density polyethylene (HDPE), ABS
With weight ratio 22:2:7 are mixed to get；The interface adjusting control agent is isocyanates；The lubricant is magnesium stearate.
Wherein, the step（3）Middle melting temperature is 160 DEG C, and mixing time is 20 minutes；Gained particle is in barrel temperature
For standard batten is made with injection (mo(u)lding) machine under conditions of 170 DEG C, injection pressure 8MPa, the dwell time is 15 seconds.
Control group 1 is set, six ring mountain flours in embodiment 1 are substituted for etc. to the nano zine oxide of weight, remaining content is constant；
Prepared by gained composite material to above-mentioned each group and carries out performance detection, obtains following result：
Table 1
Thermal conductivity in embodiment 1-3, which is can be seen that, by data in table 1 reaches 2.35 or more, it is essentially identical with control group 1, but
Composite materials property is relatively poor in control group 1.
Claims (8)
1. a kind of preparation method of thermal conductivity plastic composite, which is characterized in that it is related to being by weight for raw material components,
Include the following steps：
（1）By six ring stones be placed in mass concentration be 8-10% sodium hydroxide solution in impregnate 30-40 minutes, spent after taking-up from
Sub- water is rinsed to neutrality, is then transferred in calcining furnace, is calcined 1.5-2.5 hours under conditions of temperature is 740-760 DEG C, is completed
After crushed 200 mesh sieve, it is spare to obtain six ring mountain flours；
（2）Take 34-40 parts of above-mentioned six rings mountain flour, 6-8 parts of nano zine oxide, 3-5 parts of microwax, cetrimonium bromide
2-3 parts, 1-2 parts of glycidyl methacrylate ball milling in the ball mill, it is 65-75 DEG C, ratio of grinding media to material to keep ball mill temperature
For 10-14:1, rotating speed is 600-800 revs/min, and ball milling 2-4 hours obtains compound material；
（3）By 75-85 parts of plastic basis material, 15-25 parts of bamboo and woods fiber powder, 8-12 parts of compound material, adjusting control agent 1-3 parts of interface, lubrication
0.8-1.6 parts of agent seals mixing after mixing, obtains flaky mixture, and flaky mixture is sent into strong plastic pulverizer powder
It is broken into particle to obtain the final product.
2. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that described nano oxidized
The grain size of zinc is 100-140 mesh.
3. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the bamboo and woods fiber
Powder is after the material obtained after bamboo and wood processing factory leftover bits and pieces removal impurity is dried to water content less than 5%, and being ground into grain size is
40-60 mesh powders.
4. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the microwax
Density is 0.85-0.88g/cm3, and fusing point is 70 DEG C.
5. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the plastic basis material
By linear low density polyethylene, high density polyethylene (HDPE), ABS with weight ratio 22-26:1-2:5-7 is mixed to get.
6. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the interface regulation and control
Agent is isocyanates；The lubricant is one kind in calcium stearate or magnesium stearate.
7. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the step（3）
Middle melting temperature is 160-180 DEG C, and mixing time is 20-30 minutes.
8. a kind of preparation method of thermal conductivity plastic composite as described in claim 1, which is characterized in that the step（3）
Gained particle barrel temperature be 160-170 DEG C, injection pressure 8MPa under conditions of with injection (mo(u)lding) machine standard batten is made, protect
It is 15 seconds to press the time.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698749A (en) * | 2009-11-03 | 2010-04-28 | 北京林业大学 | Wood-plastic composite material and prepration method thereof |
| CN102161830A (en) * | 2010-02-21 | 2011-08-24 | 李增清 | Heat-conducting plastic and wood composite material and heating flooring manufactured by using same |
| CN105216255A (en) * | 2015-10-16 | 2016-01-06 | 陈元文 | A kind of thermoplastic thin-walled melt direct compression-moulding methods continuously |
| CN108003665A (en) * | 2017-12-22 | 2018-05-08 | 枞阳县三金颜料有限责任公司 | A kind of surface modifying method of nano-ceramic powder |
-
2018
- 2018-05-28 CN CN201810521761.XA patent/CN108752723A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101698749A (en) * | 2009-11-03 | 2010-04-28 | 北京林业大学 | Wood-plastic composite material and prepration method thereof |
| CN102161830A (en) * | 2010-02-21 | 2011-08-24 | 李增清 | Heat-conducting plastic and wood composite material and heating flooring manufactured by using same |
| CN105216255A (en) * | 2015-10-16 | 2016-01-06 | 陈元文 | A kind of thermoplastic thin-walled melt direct compression-moulding methods continuously |
| CN108003665A (en) * | 2017-12-22 | 2018-05-08 | 枞阳县三金颜料有限责任公司 | A kind of surface modifying method of nano-ceramic powder |
Non-Patent Citations (6)
| Title |
|---|
| 周文英等: "《聚合物基导热复合材料》", 30 June 2017 * |
| 宋波: "《塑料改性技术》", 31 October 2016 * |
| 张兴军等: "AlN/线性低密度聚乙烯导热复合材料的制备及性能", 《机械工程材料》 * |
| 方路线: "《大学物理实验教程》", 31 January 2016 * |
| 李青山等: ""新型天然矿物质---六环石应用研究—李泽冈环(Liesegang banding)形成机制"", 《2008年中国非金属矿产品应用与发展国际论坛论文集》 * |
| 艾光华等: "《非金属资源开发项目驱动实践教学教程》", 31 December 2017 * |
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Application publication date: 20181106 |