CN113831656A - CPE, NR and SBR blended composite rubber material and preparation method thereof - Google Patents
CPE, NR and SBR blended composite rubber material and preparation method thereof Download PDFInfo
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- CN113831656A CN113831656A CN202111171119.1A CN202111171119A CN113831656A CN 113831656 A CN113831656 A CN 113831656A CN 202111171119 A CN202111171119 A CN 202111171119A CN 113831656 A CN113831656 A CN 113831656A
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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Abstract
The invention discloses a CPE, NR and SBR blending composite rubber material and a preparation method thereof, wherein the CPE, NR and SBR blending composite rubber material comprises the following raw materials in parts by weight: 25-35 parts of CPE, 15-25 parts of NR, 15-25 parts of SBR, 25-35 parts of low phenyl silicone rubber, 20-30 parts of carbon black, 8-17 parts of modified clay, 1-5 parts of tea seed oil, 2-4 parts of vulcanizing agent, 1-2 parts of accelerator, 5-8 parts of zinc oxide, 1-3 parts of stearic acid and 0.5-2 parts of anti-aging agent. The invention belongs to the technical field of rubber processing, and particularly relates to a CPE, NR and SBR blended composite rubber material which comprises CPE, NR and SBR, low-temperature-resistant low-phenyl silicone rubber is added, carbon black is added for meeting the requirement of cable rubber on wear resistance, the blended composite rubber can be used in a large-temperature-difference and low-temperature environment, and the service life is long.
Description
Technical Field
The invention belongs to the technical field of rubber processing, and particularly relates to a CPE, NR and SBR blended composite rubber material and a preparation method thereof.
Background
Along with the development of the society, people put forward higher requirements on the performance of cables, and in addition, the service environment of cable materials is often complicated and changeable, especially in winter in northern areas, the temperature difference between day and night is large, and the cable materials are required to have low-temperature resistance.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a CPE, NR and SBR blended composite rubber material and a preparation method thereof.
The technical scheme adopted by the invention is as follows: a CPE, NR and SBR blended composite rubber material comprises the following raw materials in parts by weight: 25-35 parts of CPE, 15-25 parts of NR, 15-25 parts of SBR, 25-35 parts of low phenyl silicone rubber, 20-30 parts of carbon black, 8-17 parts of modified clay, 1-5 parts of tea seed oil, 2-4 parts of vulcanizing agent, 1-2 parts of accelerator, 5-8 parts of zinc oxide, 1-3 parts of stearic acid and 0.5-2 parts of anti-aging agent.
The invention provides a CPE, NR and SBR blending composite rubber material, which preferably comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: 26-34 parts of CPE, 16-24 parts of NR, 16-24 parts of SBR, 26-34 parts of low phenyl silicone rubber, 22-28 parts of carbon black, 10-16 parts of modified clay, 2-4 parts of tea seed oil, 2.5-3.5 parts of vulcanizing agent, 1.2-1.8 parts of accelerator, 5.5-7.5 parts of zinc oxide, 1.5-2.5 parts of stearic acid and 0.6-1.8 parts of anti-aging agent.
The invention provides a CPE, NR and SBR blending composite rubber material, which comprises the following optimal raw materials in parts by weight: the material comprises the following raw materials in parts by weight: CPE30, NR20 parts, SBR20 parts, low phenyl silicone rubber 30 parts, carbon black 25 parts, modified clay 15 parts, tea seed oil 3 parts, vulcanizing agent 3 parts, accelerator 1.5 parts, zinc oxide 6 parts, stearic acid 2 parts and anti-aging agent 1.5 parts.
The preparation method of the CPE, NR and SBR blended composite rubber material provided by the invention comprises the following steps:
1) rubber mixing: adjusting the roll distance of a double-roll open mill to 5-6mm, sequentially adding CPE, NR, SBR and low phenyl silicone rubber in parts by weight, slowly adding modified clay and tea seed oil in parts by weight, and uniformly mixing at the temperature of 40-80 ℃;
2) adding carbon black in parts by weight into the product mixed in the step 1), adding stearic acid, an anti-aging agent and zinc oxide, and continuously mixing; the roller spacing is 4-6 mm initially by using an open rubber mixing process, the roller spacing is reduced to 0.5-1.0 mm after all components are basically mixed, and triangular packaging is carried out for at least 4 times;
3) cooling the product mixed in the step 2) off the machine, and standing for at least 24 hours;
4) adding a vulcanizing agent and an accelerator into the product treated in the step 3) on an open type rubber mixing mill before extruding and coating the cable, wherein the roller spacing is 4-6 mm during feeding, the roller spacing is reduced to 0.5-1.0 mm after the components are basically mixed, the roller temperature is 30-60 ℃, and feeding and cooling are carried out after 3-4 times of triangular coating;
5) vulcanizing the product treated in the step 4) on a flat vulcanizing machine, wherein the vulcanizing temperature is 145 ℃, the pressure is 8.5MPa, and the time is 20 min.
After adopting the structure, the invention has the following beneficial effects: the invention provides a CPE, NR and SBR blending composite rubber material and a preparation method thereof, the rubber material in the invention comprises CPE, NR and SBR, low-temperature-resistant low-phenyl silicone rubber is added, and simultaneously, a carbon black component is added for meeting the requirement of cable rubber on wear resistance, the blending composite rubber can be used in the environment with large temperature difference and low temperature, and has long service life; in the preparation process, the modified clay and the tea seed oil are added, so that the effect of auxiliary softening can be achieved, meanwhile, the tea seed oil has strong permeability, can rapidly and uniformly permeate into gaps of rubber molecular chains, increases the distance between rubber molecules, is beneficial to improving the softness and the fluidity of rubber materials, and improves the processing performance of various mixed rubbers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
The embodiment provides a CPE, NR and SBR blended composite rubber material, which comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: CPE30, NR20 parts, SBR20 parts, low phenyl silicone rubber 30 parts, carbon black 25 parts, modified clay 15 parts, tea seed oil 3 parts, vulcanizing agent 3 parts, accelerator 1.5 parts, zinc oxide 6 parts, stearic acid 2 parts and anti-aging agent 1.5 parts.
The embodiment also provides a preparation method of the CPE, NR and SBR blended composite rubber material, which comprises the following steps:
1) rubber mixing: adjusting the roll distance of a double-roll open mill to 5-6mm, sequentially adding CPE, NR, SBR and low phenyl silicone rubber in parts by weight, slowly adding modified clay and tea seed oil in parts by weight, and uniformly mixing at the temperature of 40-80 ℃;
2) adding carbon black in parts by weight into the product mixed in the step 1), adding stearic acid, an anti-aging agent and zinc oxide, and continuously mixing; the roller spacing is 4-6 mm initially by using an open rubber mixing process, the roller spacing is reduced to 0.5-1.0 mm after all components are basically mixed, and triangular packaging is carried out for at least 4 times;
3) cooling the product mixed in the step 2) off the machine, and standing for at least 24 hours;
4) adding a vulcanizing agent and an accelerator into the product treated in the step 3) on an open type rubber mixing mill before extruding and coating the cable, wherein the roller spacing is 4-6 mm during feeding, the roller spacing is reduced to 0.5-1.0 mm after the components are basically mixed, the roller temperature is 30-60 ℃, and feeding and cooling are carried out after 3-4 times of triangular coating;
5) vulcanizing the product treated in the step 4) on a flat vulcanizing machine, wherein the vulcanizing temperature is 145 ℃, the pressure is 8.5MPa, and the time is 20 min.
Example 2
The embodiment provides a CPE, NR and SBR blended composite rubber material, which comprises the following raw materials in parts by weight: the material comprises the following raw materials in parts by weight: CPE28, NR23 parts, SBR23 parts, low phenyl silicone rubber 30 parts, carbon black 24 parts, modified clay 11 parts, tea seed oil 3 parts, vulcanizing agent 2.6 parts, accelerator 1.5 parts, zinc oxide 6 parts, stearic acid 2 parts and anti-aging agent 1 part.
The embodiment also provides a preparation method of the CPE, NR and SBR blended composite rubber material, which comprises the following steps:
1) rubber mixing: adjusting the roll distance of a double-roll open mill to 5-6mm, sequentially adding CPE, NR, SBR and low phenyl silicone rubber in parts by weight, slowly adding modified clay and tea seed oil in parts by weight, and uniformly mixing at the temperature of 40-80 ℃;
2) adding carbon black in parts by weight into the product mixed in the step 1), adding stearic acid, an anti-aging agent and zinc oxide, and continuously mixing; the roller spacing is 4-6 mm initially by using an open rubber mixing process, the roller spacing is reduced to 0.5-1.0 mm after all components are basically mixed, and triangular packaging is carried out for at least 4 times;
3) cooling the product mixed in the step 2) off the machine, and standing for at least 24 hours;
4) adding a vulcanizing agent and an accelerator into the product treated in the step 3) on an open type rubber mixing mill before extruding and coating the cable, wherein the roller spacing is 4-6 mm during feeding, the roller spacing is reduced to 0.5-1.0 mm after the components are basically mixed, the roller temperature is 30-60 ℃, and feeding and cooling are carried out after 3-4 times of triangular coating;
5) vulcanizing the product treated in the step 4) on a flat vulcanizing machine, wherein the vulcanizing temperature is 145 ℃, the pressure is 8.5MPa, and the time is 20 min.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A CPE, NR and SBR blended composite rubber material is characterized in that: the material comprises the following raw materials in parts by weight: 25-35 parts of CPE, 15-25 parts of NR, 15-25 parts of SBR, 25-35 parts of low phenyl silicone rubber, 20-30 parts of carbon black, 8-17 parts of modified clay, 1-5 parts of tea seed oil, 2-4 parts of vulcanizing agent, 1-2 parts of accelerator, 5-8 parts of zinc oxide, 1-3 parts of stearic acid and 0.5-2 parts of anti-aging agent.
2. A CPE, NR and SBR blended composite rubber material according to claim 1, characterized in that: the material comprises the following raw materials in parts by weight: 26-34 parts of CPE, 16-24 parts of NR, 16-24 parts of SBR, 26-34 parts of low phenyl silicone rubber, 22-28 parts of carbon black, 10-16 parts of modified clay, 2-4 parts of tea seed oil, 2.5-3.5 parts of vulcanizing agent, 1.2-1.8 parts of accelerator, 5.5-7.5 parts of zinc oxide, 1.5-2.5 parts of stearic acid and 0.6-1.8 parts of anti-aging agent.
3. A CPE, NR and SBR blended composite rubber material according to claim 1, characterized in that: the material comprises the following raw materials in parts by weight: CPE30, NR20 parts, SBR20 parts, low phenyl silicone rubber 30 parts, carbon black 25 parts, modified clay 15 parts, tea seed oil 3 parts, vulcanizing agent 3 parts, accelerator 1.5 parts, zinc oxide 6 parts, stearic acid 2 parts and anti-aging agent 1.5 parts.
4. The method of preparing a CPE, NR and SBR blended composite rubber material according to any of claims 1 to 3, characterized in that: the method comprises the following steps:
1) rubber mixing: adjusting the roll distance of a double-roll open mill to 5-6mm, sequentially adding CPE, NR, SBR and low phenyl silicone rubber in parts by weight, slowly adding modified clay and tea seed oil in parts by weight, and uniformly mixing at the temperature of 40-80 ℃;
2) adding carbon black in parts by weight into the product mixed in the step 1), adding stearic acid, an anti-aging agent and zinc oxide, and continuously mixing; the roller spacing is 4-6 mm initially by using an open rubber mixing process, the roller spacing is reduced to 0.5-1.0 mm after all components are basically mixed, and triangular packaging is carried out for at least 4 times;
3) cooling the product mixed in the step 2) off the machine, and standing for 24 hours;
4) adding a vulcanizing agent and an accelerator into the product treated in the step 3) on an open type rubber mixing mill before extruding and coating the cable, wherein the roller spacing is 4-6 mm during feeding, the roller spacing is reduced to 0.5-1.0 mm after the components are basically mixed, the roller temperature is 30-60 ℃, and feeding and cooling are carried out after 3-4 times of triangular coating;
5) vulcanizing the product treated in the step 4) on a flat vulcanizing machine, wherein the vulcanizing temperature is 145 ℃, the pressure is 8.5MPa, and the time is 20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171119.1A CN113831656A (en) | 2021-10-08 | 2021-10-08 | CPE, NR and SBR blended composite rubber material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111171119.1A CN113831656A (en) | 2021-10-08 | 2021-10-08 | CPE, NR and SBR blended composite rubber material and preparation method thereof |
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| CN113831656A true CN113831656A (en) | 2021-12-24 |
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| CN202111171119.1A Pending CN113831656A (en) | 2021-10-08 | 2021-10-08 | CPE, NR and SBR blended composite rubber material and preparation method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896129A (en) * | 2005-12-03 | 2007-01-17 | 河北九星橡塑制品有限公司 | Abrasive synthetic rubber material and its production |
| CN101220186A (en) * | 2008-01-29 | 2008-07-16 | 刘继祥 | Rubber product |
| 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 |
| CN103059352A (en) * | 2011-10-24 | 2013-04-24 | 远东电缆有限公司 | Sheath rubber for rubber sheath flexible cables |
| CN103554693A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Wear-resistant, drought-resistant, and aging-resistant modified chlorinated polyethylene cable material |
| CN106589634A (en) * | 2016-12-10 | 2017-04-26 | 温州任和文化创意有限责任公司 | Low-temperature and crack resistant chlorinated polyethylene cable material and preparation method thereof |
-
2021
- 2021-10-08 CN CN202111171119.1A patent/CN113831656A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896129A (en) * | 2005-12-03 | 2007-01-17 | 河北九星橡塑制品有限公司 | Abrasive synthetic rubber material and its production |
| CN101220186A (en) * | 2008-01-29 | 2008-07-16 | 刘继祥 | Rubber product |
| CN103059352A (en) * | 2011-10-24 | 2013-04-24 | 远东电缆有限公司 | Sheath rubber for rubber sheath flexible cables |
| 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 |
| CN103554693A (en) * | 2013-10-25 | 2014-02-05 | 安徽文峰电子科技集团有限公司 | Wear-resistant, drought-resistant, and aging-resistant modified chlorinated polyethylene cable material |
| CN106589634A (en) * | 2016-12-10 | 2017-04-26 | 温州任和文化创意有限责任公司 | Low-temperature and crack resistant chlorinated polyethylene cable material and preparation method thereof |
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Application publication date: 20211224 |