CN110157048A - A kind of high thermal conductivity engineering rubber material and preparation method thereof - Google Patents
A kind of high thermal conductivity engineering rubber material and preparation method thereof Download PDFInfo
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- CN110157048A CN110157048A CN201810123108.8A CN201810123108A CN110157048A CN 110157048 A CN110157048 A CN 110157048A CN 201810123108 A CN201810123108 A CN 201810123108A CN 110157048 A CN110157048 A CN 110157048A
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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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
- C08K3/02—Elements
- C08K3/04—Carbon
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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
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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
- C08K3/38—Boron-containing compounds
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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
- C08K7/00—Use of ingredients characterised by shape
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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
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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Abstract
The invention discloses a kind of high thermal conductivity engineering rubber materials and preparation method thereof, raw material including following parts by weight: 95-110 parts of natural rubber, 40-50 parts of high wear-resistant carbon black, 8-15 parts of aromatic naphtha, 4-5 parts of anti-aging agent, 10-15 parts of zinc oxide, 0.6-1.2 parts of stearic acid, 3-5 parts of promotor, 1-2 parts of sulphur and 60-90 parts of heat filling, heat filling are the mixture of boron nitride and flaky graphite powder.The method of the present invention is simple, easy to operate, and the high thermal conductivity engineering rubber material performance prepared is stablized；Rubber material provided by the present invention proves the excellent properties such as it is fast with heat-transfer rate, vulcanization preheating time is short, product vulcanization uniformity is good through detection.Innovation of the invention is both to shorten the vulcanization time of rubber, improve production efficiency, simultaneously using the high thermal conductivity rubber material of the different production batch of the method for the present invention manufacture, its performance difference is minimum, can be used for manufacturing architectural vibration-insulation rubber supporting seat, automobile tire, bridge seismic isolation rubber support etc..
Description
Technical field
The present invention relates to rubber materials, specifically a kind of high thermal conductivity engineering rubber material.
Background technique
Rubber refers to the high elastic polymer material with reversible deformation, at room temperature high resilience, in the external force of very little
Effect is lower to generate larger deformation, remove resilient after external force.Rubber belongs to entirely without styling polymer, its vitrifying
Transition temperature (T g) is low, and molecular weight is often very big, is greater than hundreds of thousands.Rubber is divided into natural rubber and two kinds of synthetic rubber, naturally
Rubber is made of the extraction colloid post-processing from the plants such as rubber tree, kok-saghyz；Synthetic rubber is then aggregated anti-by various monomers
It answers and obtains.
Currently manufactured thick rubber products are still using the method for molding and injection vulcanization.Since vulcanization time is long, and in sulphur
Product over cure, too low and deficient sulphur of internal surface temperature, to reduce vulcanization due to hull-skin temperature is excessively high are easy to cause during changing
Efficiency, this just influences the vulcanized quality of product.In recent years, thick rubber products manufacturing enterprise and research unit change constantly always
Vulcanized quality and the production of product are improved into its factory formula of optimization and sulfuration process to solve the disadvantage in prior art
Efficiency.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of high thermal conductivity engineering rubber material
Problem.
To achieve the above object, the invention provides the following technical scheme:
A kind of high thermal conductivity engineering rubber material, the raw material including following parts by weight: 95-110 parts of natural rubber, high abrasion charcoal
40-50 parts black, 8-15 parts of aromatic naphtha, 4-5 parts of anti-aging agent, 10-15 parts of zinc oxide, 0.6-1.2 parts of stearic acid, 3-5 parts of promotor,
1-2 parts and heat filling 60-90 parts of sulphur, heat filling is the mixture of boron nitride and flaky graphite powder.
As a further solution of the present invention: boron nitride uses nm-class boron nitride, and the partial size of flaky graphite powder is micron
Grade.
The preparation method of the high thermal conductivity engineering rubber material, the specific steps are as follows:
Step 1 weighs raw material according to parts by weight, spare；
Natural rubber is placed in mixer by step 2, is plasticated 10-15 minutes under 120-130 degrees Celsius, is parked 20-
26 hours, the natural rubber after plasticating is refined 60-80 seconds in mixer, anti-aging agent, zinc oxide, tristearin are added into mixer
Acid, promotor and boron nitride and mixing 100-135 second in mixer, then the addition high wear-resistant carbon black, scale into mixer
Shape graphite powder and aromatic naphtha and refined 10-15 minutes in mixer, it is thin 1-2 times logical on a mill after pouring out, bottom sheet and
Dry in the air to 45 degrees Celsius or less it is spare；
The material of step 2 is placed in open mill and is added sulphur by step 3, after material feeding, 5 bottom sheet of Bao Tong,
Finished product can be obtained.
As a further solution of the present invention: open mill uses 18 cun of open mills.
Compared with prior art, the beneficial effects of the present invention are: the method for the present invention is simple, easy to operate, and the height prepared is led
Hot engineering rubber material performance is stablized；Novel high thermal conductivity engineering rubber material provided by the present invention proves that it has through detection and leads
The excellent properties such as thermal velocity is fast, vulcanization preheating time is short, product vulcanization uniformity is good；Innovation of the invention is both to shorten
The vulcanization time of rubber improves production efficiency, while the high thermal conductivity of the different production batch using the method for the present invention manufacture
Rubber material, performance difference is minimum, can be used for manufacturing architectural vibration-insulation rubber supporting seat, automobile tire, bridge seismic isolation rubber support
Deng.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
A kind of high thermal conductivity engineering rubber material, the preparation method is as follows:
Step 1 weighs natural rubber 40Kg, high wear-resistant carbon black 16Kg, flaky graphite powder 24Kg, boron nitride 12Kg, virtue
Hydrocarbon ils 3.2Kg, anti-aging agent 1.8Kg, zinc oxide 4Kg, stearic acid 0.4Kg, promotor 1.2Kg and sulphur 0.4Kg；
Natural rubber is placed in mixer by step 2, is plasticated 10-15 minutes under 120-130 degrees Celsius, is parked 20-
26 hours, the natural rubber after plasticating is refined 60-80 seconds in mixer, anti-aging agent, zinc oxide, tristearin are added into mixer
Acid, promotor and boron nitride and mixing 100-135 second in mixer, then the addition high wear-resistant carbon black, scale into mixer
Shape graphite powder and aromatic naphtha and refined 10-15 minutes in mixer, it is thin 1-2 times logical on a mill after pouring out, bottom sheet and
Dry in the air to 45 degrees Celsius or less it is spare；
The material of step 2 is placed in open mill and is added sulphur by step 3, after material feeding, 5 bottom sheet of Bao Tong,
Finished product can be obtained.
Embodiment 2-5
Preparation method is same as Example 1, and only formulation dosage and process conditions are different, but in the method for the present invention
Within the scope of described.
Comparative example
In addition to not containing heat filling, remaining component and preparation method are same as Example 1.
The component of the product of embodiment 2-5 and the product of comparative example is shown in Table 1.
Table 1
| Comparative example | Example 2 | Example 3 | Example 4 | Example 5 | |
| Natural rubber | 40 | 40 | 40 | 40 | 40 |
| High wear-resistant carbon black | 16 | 18 | 20 | 18 | 16 |
| Aromatic naphtha | 3.2 | 4.8 | 6.0 | 3.2 | 4.8 |
| Flaky graphite powder | 0 | 20 | 16 | 12 | 18 |
| Boron nitride | 0 | 16 | 20 | 24 | 18 |
| Anti-aging agent | 1.8 | 1.7 | 1.8 | 2.0 | 1.8 |
| Zinc oxide | 4.0 | 4.8 | 5.2 | 5.6 | 6.0 |
| Stearic acid | 0.4 | 0.48 | 0.4 | 0.32 | 0.48 |
| Promotor | 1.2 | 1.6 | 2.0 | 2.0 | 2.0 |
| Sulphur | 0.4 | 0.56 | 0.64 | 0.72 | 0.8 |
The product of the product of embodiment 1-5 and comparative example is tested for the property, test piece is standard test piece, and conditions of vulcanization is
143 degrees Celsius × 15 minutes.Hardness (shore) degree is according to GB/T513-1999；Tensile strength is according to GB/T528-1999；It breaks
Elongation is according to GB/T3512-1999；Thermal aging property is tested according to the pertinent regulations of GB/T3512-2001, test knot
Fruit is shown in Table 2.
Table 2
The product of embodiment 1-5 and the product of comparative example are measured into its thermal conductivity under 25 degrees Celsius, test result is shown in Table
3。
Table 3
| Comparative example | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Thermal conductivity W/ (mK) | 0.234 | 0.313 | 0.332 | 0.326 | 0.307 | 0.311 |
The thermal conductivity of the product of embodiment 1-5 is superior to comparative example as can be seen from Table 3.
Since amorphous polymer will reach high thermal conductivity, it is necessary to which height filling makes filler contact with each other, accumulate in system, shape
At thermally conductive network chain.Thermally conductive network chain runs through entire polymeric matrix, and most of heat is conducted by the network chain, leads to whole system
Heating conduction greatly improves.Novel high thermal conductivity engineering rubber material of the present invention, contains common micro-scaled filler particle flakey
Graphite powder and nano-sized filler particle boron nitride, can both increase substantially rubber thermal conductivity, so as to shorten rubber thickness system
The vulcanization preheating time of product accelerates curingprocess rate, reduces support internal-external temperature difference, improves vulcanization uniformity.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where 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, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of high thermal conductivity engineering rubber material, which is characterized in that the raw material including following parts by weight: natural rubber 95-110
Part, 40-50 parts of high wear-resistant carbon black, 8-15 parts of aromatic naphtha, 4-5 parts of anti-aging agent, 10-15 parts of zinc oxide, 0.6-1.2 parts of stearic acid,
3-5 parts of promotor, 1-2 parts of sulphur and 60-90 parts of heat filling, heat filling are the mixing of boron nitride and flaky graphite powder
Object.
2. high thermal conductivity engineering rubber material according to claim 1, which is characterized in that the boron nitride uses nano silicon nitride
Boron, the partial size of flaky graphite powder are micron order.
3. a kind of preparation method of the high thermal conductivity engineering rubber material as described in claim 1-2 is any, which is characterized in that specific
Steps are as follows:
Step 1 weighs raw material according to parts by weight, spare；
Natural rubber is placed in mixer by step 2, plasticates 10-15 minutes under 120-130 degrees Celsius, it is small to park 20-26
When, the natural rubber after plasticating is refined 60-80 seconds in mixer, into mixer be added anti-aging agent, zinc oxide, stearic acid,
Promotor and boron nitride and mixing 100-135 seconds in mixer, then high wear-resistant carbon black, flakey stone are added into mixer
Ink powder and aromatic naphtha and refined 10-15 minutes in mixer, it is thin 1-2 times logical on a mill after pouring out, bottom sheet and dry in the air to
45 degrees Celsius or less spare；
The material of step 2 is placed in open mill and is added sulphur by step 3, after material feeding, 5 bottom sheet of Bao Tong
Obtain finished product.
4. the preparation method of high thermal conductivity engineering rubber material according to claim 3, which is characterized in that the open mill is adopted
With 18 cun of open mills.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810123108.8A CN110157048A (en) | 2018-02-07 | 2018-02-07 | A kind of high thermal conductivity engineering rubber material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810123108.8A CN110157048A (en) | 2018-02-07 | 2018-02-07 | A kind of high thermal conductivity engineering rubber material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484654A (en) * | 2020-05-11 | 2020-08-04 | 徐工集团工程机械有限公司 | Heat conduction rubber material and rubber track |
| CN114316383A (en) * | 2021-11-29 | 2022-04-12 | 东风商用车有限公司 | Heat-conducting high-damping vibration-damping rubber material and preparation method and application thereof |
| CN115558213A (en) * | 2022-10-24 | 2023-01-03 | 广东思泉新材料股份有限公司 | Low-dielectric high-thermal-conductivity high-strength composite film and preparation method thereof |
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| CN101942122A (en) * | 2010-10-21 | 2011-01-12 | 中北大学 | Heat-conduction natural rubber composite and preparation method thereof |
| CN102504358A (en) * | 2011-11-22 | 2012-06-20 | 广东石油化工学院 | High-heat-conductivity rubber composite material and preparation method thereof |
| WO2014088365A1 (en) * | 2012-12-07 | 2014-06-12 | 한화케미칼 주식회사 | Rubber composite composition for highly thermally conductive bladder comprising carbon nanotubes and production method for same |
| CN106867094A (en) * | 2017-03-23 | 2017-06-20 | 四川行泰新材料科技有限公司 | A kind of heat-conductivity polymer composite and its preparation method using mill |
-
2018
- 2018-02-07 CN CN201810123108.8A patent/CN110157048A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942122A (en) * | 2010-10-21 | 2011-01-12 | 中北大学 | Heat-conduction natural rubber composite and preparation method thereof |
| CN102504358A (en) * | 2011-11-22 | 2012-06-20 | 广东石油化工学院 | High-heat-conductivity rubber composite material and preparation method thereof |
| WO2014088365A1 (en) * | 2012-12-07 | 2014-06-12 | 한화케미칼 주식회사 | Rubber composite composition for highly thermally conductive bladder comprising carbon nanotubes and production method for same |
| CN106867094A (en) * | 2017-03-23 | 2017-06-20 | 四川行泰新材料科技有限公司 | A kind of heat-conductivity polymer composite and its preparation method using mill |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111484654A (en) * | 2020-05-11 | 2020-08-04 | 徐工集团工程机械有限公司 | Heat conduction rubber material and rubber track |
| CN114316383A (en) * | 2021-11-29 | 2022-04-12 | 东风商用车有限公司 | Heat-conducting high-damping vibration-damping rubber material and preparation method and application thereof |
| CN115558213A (en) * | 2022-10-24 | 2023-01-03 | 广东思泉新材料股份有限公司 | Low-dielectric high-thermal-conductivity high-strength composite film and preparation method thereof |
| CN115558213B (en) * | 2022-10-24 | 2024-05-24 | 广东思泉新材料股份有限公司 | Low-dielectric high-heat-conductivity high-strength composite film and preparation method thereof |
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