CN114437424A - Caster rubber material and preparation method thereof - Google Patents
Caster rubber material and preparation method thereof Download PDFInfo
- Publication number
- CN114437424A CN114437424A CN202210237610.8A CN202210237610A CN114437424A CN 114437424 A CN114437424 A CN 114437424A CN 202210237610 A CN202210237610 A CN 202210237610A CN 114437424 A CN114437424 A CN 114437424A
- Authority
- CN
- China
- Prior art keywords
- caster
- rubber
- rubber material
- percent
- carbon black
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 37
- 229920001971 elastomer Polymers 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000006229 carbon black Substances 0.000 claims abstract description 23
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 13
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 10
- 238000004898 kneading Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 abstract description 4
- 229920003049 isoprene rubber Polymers 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
Abstract
The invention discloses a caster rubber material and a preparation method thereof, relates to the field of rubber material preparation, and solves the problem that the caster rubber material is difficult to be used in a scene with a large turning frequency. The raw material components comprise the following components in percentage by weight: 40-50% of isoprene polymer, 10-20% of butadiene polymer, 20-25% of silicon dioxide, 10-20% of carbon black and 5-10% of processing aid. According to the caster rubber provided by the invention, the isoprene rubber and the butadiene are used together, the isoprene rubber has better resilience characteristic, presents a high elastic state, cannot generate yield strain in a larger strain range, and endows the caster with better dynamic fatigue performance and wear resistance; when the robot is in work, the caster rubber has certain deformation capacity, the friction between the caster rubber and a contact surface is increased, the robot is effectively prevented from sideslipping and toppling over when turning, and the robot can adapt to use scenes with very high turning frequency, so that the use requirements of quarantine robots and photovoltaic cleaning robots are met.
Description
Technical Field
The invention relates to the field of rubber material preparation, in particular to a caster wheel rubber material and a preparation method thereof.
Background
The truckle has wide application range and is commonly used for the walking wheels on the transportation mobile equipment such as robots. The rubber deflection of current robot truckle is less, and dynamic fatigue performance and wear resistance are not high, and it is easy to sideslip or empty when the truckle needs to turn, is difficult to satisfy the operation requirement of quarantine robot or photovoltaic cleaning machines people that the turn frequency is very much.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects of the prior art, the invention provides a caster wheel rubber material and a preparation method thereof, and solves the problem that the caster wheel rubber material is difficult to be used in scenes with a large number of turning frequencies.
The technical scheme of the invention is as follows: the caster rubber material comprises the following raw material components in percentage by weight: 40-50% of isoprene polymer, 10-20% of butadiene polymer, 20-25% of silicon dioxide, 10-20% of carbon black and 5-10% of processing aid.
By adopting the technical scheme, the caster rubber provided by the invention uses the isoprene rubber and the butadiene together, the isoprene rubber has better resilience characteristic, presents a high elastic state, does not generate yield strain in a larger strain range, and endows the caster with better dynamic fatigue performance and wear resistance; when the robot is in work, the caster rubber has certain deformation capacity, the friction between the caster rubber and a contact surface is increased, the robot is effectively prevented from sideslipping and toppling over when turning, and the robot can adapt to use scenes with very high turning frequency, so that the use requirements of quarantine robots and photovoltaic cleaning robots are met.
The invention further comprises the following steps: the concrete raw material components comprise the following components in percentage by weight: 44% of isoprene polymer, 17% of butadiene polymer, 21% of silicon dioxide, 12% of carbon black and 6% of processing aid.
With the above further arrangement, the performance is stable in the above proportion.
The invention further provides that: the carbon black is high wear-resistant carbon black N330.
Adopt above-mentioned further setting again, further strengthen the wear resistance of truckle, prolong the life-span of truckle.
The other technical scheme of the invention is as follows: a preparation method of a caster rubber material comprises the following steps:
firstly, weighing 40-50% of isoprene polymer, 10-20% of butadiene polymer, 20-25% of silicon dioxide, 10-20% of carbon black and 5-10% of processing aid according to the percentage of each component, adding the mixture into a mixer for mixing and stirring, and then putting the mixture into an internal mixer for kneading and mixing;
secondly, transferring after kneading is finished, putting the transferred mixture into an open mill, and mixing and rolling the mixture into sheets;
thirdly, transferring the rolled product to a cooling machine, and carrying out water cooling and air cooling successively;
fourthly, cutting the materials by a cutting machine in a fixed length mode to obtain finished products of the materials.
By adopting the technical scheme, the mixing preparation is carried out by the internal mixer, the open mill and other equipment, the assembly line operation is formed, the preparation efficiency is high, and the product quality qualification rate is high. Still further arrangements of the invention are:
still further arrangements of the invention are: in the first step, the mixing temperature is 100-.
By adopting the further setting, the temperature and the time are proper, which is beneficial to qualified preparation.
Detailed Description
Example 1: the caster rubber material comprises the following specific raw material components in percentage by weight: 44% of isoprene polymer, 17% of butadiene polymer, 21% of silicon dioxide, 12% of carbon black and 6% of processing aid. Wherein the carbon black is high wear-resistant carbon black N330.
A preparation method of a caster rubber material comprises the following steps:
firstly, weighing 44% of isoprene polymer, 17% of butadiene polymer, 21% of silicon dioxide, 12% of carbon black and 6% of processing aid according to the percentage of each component, adding the mixture into a mixer for mixing and stirring, and then putting the mixture into an internal mixer for kneading and mixing;
secondly, transferring after kneading is finished, putting the transferred mixture into an open mill, and mixing and rolling the mixture into sheets;
thirdly, transferring the rolled material to a cooling machine, and carrying out water cooling and air cooling successively;
fourthly, cutting the materials by a cutting machine in a fixed length mode to obtain finished products of the materials.
In the first step, the mixing temperature is 130 ℃, and the mixing time is 5 minutes.
Example 2: the caster rubber material comprises the following specific raw material components in percentage by weight: 50% of isoprene polymer, 10% of butadiene polymer, 20% of silicon dioxide, 10% of carbon black and 10% of processing aid. Wherein the carbon black is high wear-resistant carbon black N330.
A preparation method of a caster rubber material comprises the following steps:
firstly, weighing 50% of isoprene polymer, 10% of butadiene polymer, 20% of silicon dioxide, 10% of carbon black and 10% of processing aid according to the percentage of each component, adding the mixture into a mixer for mixing and stirring, and then putting the mixture into an internal mixer for kneading and mixing;
secondly, transferring after kneading is finished, putting the transferred mixture into an open mill, and mixing and rolling the mixture into sheets;
thirdly, transferring the rolled material to a cooling machine, and carrying out water cooling and air cooling successively;
fourthly, cutting the materials by a cutting machine in a fixed length mode to obtain finished products of the materials.
In the first step, the mixing temperature is 100 ℃, and the mixing time is 10 minutes.
Example 3: the caster rubber material comprises the following specific raw material components in percentage by weight: 40% of isoprene polymer, 20% of butadiene polymer, 20% of silicon dioxide, 15% of carbon black and 5% of processing aid. Wherein the carbon black is high wear-resistant carbon black N330.
A preparation method of a caster rubber material comprises the following steps:
firstly, weighing 50% of isoprene polymer, 10% of butadiene polymer, 20% of silicon dioxide, 10% of carbon black and 10% of processing aid according to the percentage of each component, adding the mixture into a mixer for mixing and stirring, and then putting the mixture into an internal mixer for kneading and mixing;
secondly, transferring after kneading is finished, putting the transferred mixture into an open mill, and mixing and rolling the mixture into sheets;
thirdly, transferring the rolled material to a cooling machine, and carrying out water cooling and air cooling successively;
fourthly, cutting the materials by a cutting machine in a fixed length mode to obtain finished products of the materials.
In the first step, the mixing temperature is 120 ℃, and the mixing time is 8 minutes.
The performance index of each example obtained by the experiment is shown in table 1.
According to indexes in the table 1, the performance of the caster rubber material prepared by the method of the invention reaches the standard, and the flex cracking measurement in the experiment shows that the performance of each embodiment is obviously improved compared with the standard value, the dynamic fatigue performance is effectively improved, and the abrasion resistance is obviously improved by the Akron abrasion test in the experiment.
Claims (5)
1. A caster rubber material, characterized in that: the raw material components comprise the following components in percentage by weight:
40 to 50 percent of isoprene polymer,
10 to 20 percent of butadiene polymer,
20 to 25 percent of silicon dioxide,
10 to 20 percent of carbon black,
5 to 10 percent of processing aid.
2. The caster rubber material as defined in claim 1, wherein: the concrete raw material components comprise the following components in percentage by weight:
44% of isoprene polymer,
17 percent of butadiene polymer,
21 percent of silicon dioxide,
12 percent of carbon black,
6 percent of processing aid.
3. The caster rubber material as defined in claim 1, wherein: the carbon black is high wear-resistant carbon black N330.
4. A preparation method of a caster rubber material is characterized by comprising the following steps: the method comprises the following steps:
firstly, weighing 40-50% of isoprene polymer, 10-20% of butadiene polymer, 20-25% of silicon dioxide, 10-20% of carbon black and 5-10% of processing aid according to the percentage of each component, adding the mixture into a mixer for mixing and stirring, and then putting the mixture into an internal mixer for kneading and mixing;
secondly, transferring after kneading is finished, putting the transferred mixture into an open mill, and mixing and rolling the mixture into sheets;
thirdly, transferring the rolled material to a cooling machine, and carrying out water cooling and air cooling successively;
fourthly, cutting the materials by a cutting machine in a fixed length mode to obtain finished products of the materials.
5. The method for preparing a caster rubber material as claimed in claim 4, wherein: in the first step, the mixing temperature is 100-.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237610.8A CN114437424A (en) | 2022-03-11 | 2022-03-11 | Caster rubber material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237610.8A CN114437424A (en) | 2022-03-11 | 2022-03-11 | Caster rubber material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114437424A true CN114437424A (en) | 2022-05-06 |
Family
ID=81359108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210237610.8A Pending CN114437424A (en) | 2022-03-11 | 2022-03-11 | Caster rubber material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114437424A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886451A (en) * | 2003-10-20 | 2006-12-27 | 尤尼罗亚尔化学公司 | Rubber compositions and methods for decreasing the tangent delta value and abrasion index |
| CN101688003A (en) * | 2007-05-02 | 2010-03-31 | 弗莱克塞斯美国公司 | Processes for preparing rubber blend compositions |
| CN110343295A (en) * | 2018-04-02 | 2019-10-18 | 住友橡胶工业株式会社 | Rubber composition for tire tread and tire |
-
2022
- 2022-03-11 CN CN202210237610.8A patent/CN114437424A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886451A (en) * | 2003-10-20 | 2006-12-27 | 尤尼罗亚尔化学公司 | Rubber compositions and methods for decreasing the tangent delta value and abrasion index |
| CN101688003A (en) * | 2007-05-02 | 2010-03-31 | 弗莱克塞斯美国公司 | Processes for preparing rubber blend compositions |
| CN110343295A (en) * | 2018-04-02 | 2019-10-18 | 住友橡胶工业株式会社 | Rubber composition for tire tread and tire |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220506 |