CN116855004B - Rubber composition and preparation method thereof - Google Patents
Rubber composition and preparation method thereof Download PDFInfo
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- CN116855004B CN116855004B CN202311094646.6A CN202311094646A CN116855004B CN 116855004 B CN116855004 B CN 116855004B CN 202311094646 A CN202311094646 A CN 202311094646A CN 116855004 B CN116855004 B CN 116855004B
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 54
- 239000005060 rubber Substances 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 229920005610 lignin Polymers 0.000 claims abstract description 29
- 238000004132 cross linking Methods 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 24
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 24
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 17
- 239000004014 plasticizer Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000010902 straw Substances 0.000 claims description 7
- 229920000459 Nitrile rubber Polymers 0.000 claims description 6
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000002244 precipitate Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- ZRMMVODKVLXCBB-UHFFFAOYSA-N 1-n-cyclohexyl-4-n-phenylbenzene-1,4-diamine Chemical group C1CCCCC1NC(C=C1)=CC=C1NC1=CC=CC=C1 ZRMMVODKVLXCBB-UHFFFAOYSA-N 0.000 claims description 5
- YEECOJZAMZEUBB-UHFFFAOYSA-N 2,2,3,3,6,6,7,7-octamethyloctane Chemical group CC(C)(C)C(C)(C)CCC(C)(C)C(C)(C)C YEECOJZAMZEUBB-UHFFFAOYSA-N 0.000 claims description 5
- 229920001732 Lignosulfonate Polymers 0.000 claims description 5
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 5
- 235000019357 lignosulphonate Nutrition 0.000 claims description 5
- -1 morpholinyl benzothiazole amide Chemical class 0.000 claims description 5
- 239000008036 rubber plasticizer Substances 0.000 claims description 5
- 241000209140 Triticum Species 0.000 claims description 4
- 235000021307 Triticum Nutrition 0.000 claims description 4
- 239000010908 plant waste Substances 0.000 claims description 4
- 238000006277 sulfonation reaction Methods 0.000 claims description 4
- 240000008042 Zea mays Species 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 235000010265 sodium sulphite Nutrition 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 10
- 239000006229 carbon black Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 244000043261 Hevea brasiliensis Species 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000007858 starting material Substances 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
- C08L9/02—Copolymers with acrylonitrile
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to the technical field of rubber, and in particular relates to a rubber composition and a preparation method thereof, wherein the rubber composition comprises the following components in parts by weight: 100 parts of rubber, 15-30 parts of cross-linking reinforcing agent, 1-15 parts of vulcanizing agent, 2-8 parts of accelerator, 10-20 parts of plasticizer, 50-100 parts of filler and 2-8 parts of anti-aging agent. The preparation method comprises the following steps: firstly adding rubber and a crosslinking reinforcing agent into a banburying chamber according to the proportion, mixing, adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent, and vulcanizing the mixed raw materials. The invention adopts the cross-linking reinforcing agent with a specific structure, improves the performance of the product through the special molecular structure, and can be matched with the modified aminated lignin to endow the product with better performance.
Description
Technical Field
The invention belongs to the technical field of rubber, and particularly relates to a rubber composition and a preparation method thereof.
Background
The natural rubber is prepared by coagulating latex flowing out of rubber tree, and has super elasticity, high mechanical strength, flexibility resistance and air permeability, so the natural rubber is still a main rubber raw material. Nitrile rubber is synthetic rubber widely applied to various fields and has the characteristics of high temperature resistance and wear resistance. However, the domestic processing technology of natural rubber or synthetic rubber is behind the technology of foreign enterprises, and the product quality stability is poor, so that the strict requirements of the application diameter on the rubber composition are generally difficult to meet. In addition, carbon black is a filler which is used in a large amount at present, and rubber produced by using carbon black as the filler has stable properties and excellent performance, but carbon black is a petrochemical product, the raw materials of the carbon black are mainly from petroleum and natural gas, and the cost of the carbon black is also increased in a saving way along with the continuous increase of the price of international crude oil. At present, how to improve the quality of domestic rubber and reduce the production cost is the development direction of a plurality of domestic rubber enterprises.
Disclosure of Invention
Aiming at the problems of unstable product quality, unobvious performance, high cost and the like in the prior rubber industry, the invention provides the rubber composition, which has the advantages that the cost is reduced and the quality and the performance of the product are improved to a certain extent by adding the cross-linking reinforcing agent with a specific structure and adding the modified lignin to replace carbon black as a filler.
In order to solve the problems and achieve the object of the present invention, the present invention provides the following technical solutions:
the rubber composition comprises the following components in parts by weight: 100 parts of rubber, 15-30 parts of cross-linking reinforcing agent, 1-15 parts of vulcanizing agent, 2-8 parts of accelerator, 10-20 parts of plasticizer, 50-100 parts of filler and 2-8 parts of anti-aging agent, wherein the cross-linking reinforcing agent has the following structure:
the accelerator is morpholinyl benzothiazole amide;
the plasticizer is a cycloalkyl rubber plasticizer;
the vulcanizing agent is 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide;
the filler is aminated modified lignin;
the anti-aging agent is N-phenyl-N' -cyclohexyl p-phenylenediamine;
further, the preparation method of the aminated modified lignin comprises the following steps:
s1, extracting and purifying: extracting lignin from crop waste and purifying the lignin;
s2, sulfonation modification: adding water into the purified lignin, adjusting the pH of the solution to 10 by using a NaOH solution, adding sodium sulfite, heating the solution to 90 ℃, reacting for 8 hours, separating and purifying, and drying the precipitate;
s3, adding water into the sulfonated lignin to prepare an aqueous solution, adding dodecyl amine, uniformly mixing, and reacting at 80 ℃ for 2 hours; after the reaction is finished, regulating the pH value to be=12 by using a NaOH solution, standing, filtering, heating the filtrate at a constant temperature of 50 ℃, regulating the pH value to be=2 by using an HCl solution, standing, filtering, neutralizing the precipitate by acid washing and water washing, and drying at a low temperature to obtain the aminated lignin.
Further, the molar ratio of the sulfonated lignin to the dodecyl amine in the step S3 is 1:1.
further, the concentration of NaOH solution in step S2 and step S3 is 1%.
Further, the crop waste is wheat straw or corn straw.
Further, the rubber is nitrile rubber.
The invention also provides a preparation method of the rubber composition, which is characterized by comprising the following steps:
s1, adding rubber and a crosslinking reinforcing agent into a banburying chamber according to a proportion, mixing, and then adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent for 3-8min, wherein the mixing temperature is 80-180 ℃;
s2, vulcanizing the mixed raw materials at 130-220 ℃ for 10-60min.
The invention provides a rubber composition and a preparation method thereof, wherein the performance of a product is greatly improved by adding a cross-linking reinforcing agent with a specific structure, and the alpha-methyl in the cross-linking reinforcing agent can improve the high temperature resistance of the product, so that the product can still maintain stable performance and quality even in a harsher high temperature environment; the benzene ring structure is connected to the amino group, so that the rigidity of the product can be enhanced, the wear resistance is improved, the molecular chain conformation is not a single carbon chain structure, the irregularity of the molecular chain conformation is enhanced, and the elastic performance of the product is further improved; and the rubber main body system can be fully fused with modified aminated lignin serving as a filler, so that the dispersibility is improved, and the overall performance of the product is improved.
Compared with the prior art, the invention has the following beneficial effects:
(1) The lignin and cellulose derived from wheat straw, corn straw and the like have lower cost compared with the carbon black derived from petroleum processing, and are waste materials in agricultural production, so that the low-cost waste materials are turned into wealth, and an effective way is provided for comprehensive utilization of the agricultural waste materials.
(2) The cross-linking reinforcing agent with a specific structure is adopted, the performance of the product is improved through the special molecular structure, and meanwhile, the cross-linking reinforcing agent can be matched with the filler, so that the product has better performance.
(3) The rubber composition provided by the invention is found to have better performance in tensile property and abrasion resistance than rubber prepared by the application number CN 201711475831.4.
Detailed Description
The rubber compositions and their preparation according to the present invention are described below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
The rubber composition comprises the following components in parts by weight: 100 parts of rubber, 15 parts of cross-linking reinforcing agent, 1 part of vulcanizing agent, 2 parts of accelerator, 10 parts of plasticizer, 50 parts of filler and 2 parts of anti-aging agent, wherein the cross-linking reinforcing agent has the following structure:
the accelerator is morpholinyl benzothiazole amide;
the plasticizer is a cycloalkyl rubber plasticizer;
the vulcanizing agent is 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide;
the filler is aminated modified lignin;
the anti-aging agent is N-phenyl-N' -cyclohexyl p-phenylenediamine;
the rubber is nitrile rubber;
the preparation method of the aminated modified lignin comprises the following steps:
s1, extracting and purifying: extracting lignin from the waste wheat straw, and purifying the lignin;
s2, sulfonation modification: adding water into the purified lignin, adjusting the pH of the solution to 10 by using a 1% NaOH solution, adding sodium sulfite, heating the solution to 90 ℃, reacting for 8 hours, separating and purifying, and taking and drying the precipitate;
s3, adding water into the sulfonated lignin to prepare an aqueous solution, adding dodecyl amine, uniformly mixing, and reacting at 80 ℃ for 2 hours; after the reaction is finished, regulating the pH value to be=12 by using a 1% NaOH solution, standing, filtering, heating the filtrate at a constant temperature of 50 ℃, regulating the pH value to be=2 by using an HCl solution, standing, filtering, neutralizing the precipitate by acid washing and water washing, and drying at a low temperature to obtain aminated lignin; the molar ratio of the sulfonated lignin to the dodecyl amine in the step S3 is 1:1.
a process for producing a rubber composition, comprising the steps of:
s1, adding rubber and a crosslinking reinforcing agent into a banburying chamber according to a proportion, mixing, and adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent for 8min, wherein the mixing temperature is 80 ℃;
s2, vulcanizing the mixed raw materials at 130 ℃ for 60min.
Example 2
The rubber composition comprises the following components in parts by weight: 100 parts of rubber, 30 parts of cross-linking reinforcing agent, 15 parts of vulcanizing agent, 8 parts of accelerator, 20 parts of plasticizer, 100 parts of filler and 8 parts of anti-aging agent, wherein the cross-linking reinforcing agent has the following structure:
the accelerator is morpholinyl benzothiazole amide;
the plasticizer is a cycloalkyl rubber plasticizer;
the vulcanizing agent is 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide;
the filler is aminated modified lignin;
the anti-aging agent is N-phenyl-N' -cyclohexyl p-phenylenediamine;
the rubber is nitrile rubber;
the preparation method of the aminated modified cellulose is the same as in example 1.
The preparation method of the rubber composition is characterized by comprising the following steps:
s1, adding rubber and a crosslinking reinforcing agent into a banburying chamber according to a proportion, mixing, and adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent for 3min, wherein the mixing temperature is 180 ℃;
s2, vulcanizing the mixed raw materials at 220 ℃ for 10min.
Example 3
The rubber composition comprises the following components in parts by weight: 100 parts of rubber, 22 parts of cross-linking reinforcing agent, 8 parts of vulcanizing agent, 5 parts of accelerator, 15 parts of plasticizer, 75 parts of filler and 5 parts of anti-aging agent, wherein the cross-linking reinforcing agent has the following structure:
the accelerator is morpholinyl benzothiazole amide;
the plasticizer is a cycloalkyl rubber plasticizer;
the vulcanizing agent is 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide;
the filler is aminated modified lignin;
the anti-aging agent is N-phenyl-N' -cyclohexyl p-phenylenediamine;
the rubber is nitrile rubber;
the preparation method of the aminated modified cellulose is the same as in example 1.
The preparation method of the rubber composition is characterized by comprising the following steps:
s1, adding rubber and a crosslinking reinforcing agent into a banburying chamber according to a proportion, mixing, and adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent for 5min, wherein the mixing temperature is 130 ℃;
s2, vulcanizing the mixed raw materials at 175 ℃ for 35min.
Comparative example 1
In comparison with example 3, the crosslinking reinforcing agent is replaced by the usual ethylene glycol dimethacrylate.
Comparative example 2
Prepared using the starting materials and methods described in example 10 of application number CN 201711475831.4.
Comparative example 3
Compared to example 3, the modified aminated lignin was replaced with ordinary lignin.
Test standard and index adopted by performance test:
the Mooney viscosity of the rubber composition was characterized using test standard ASTMD 1646-07; tensile strength was characterized using test standard astm d 412-2006; the aging properties of the rubber compositions were tested using astm d573-04 (2015); the abrasion resistance of the rubber composition was tested using GB/T1689-2014; the rubber compositions were tested for constant deformation compression set properties using GB/T7759-2015.
The test results were as follows:
| treatment of | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Scorch time 130 ℃ (min) | 6.4 | 7.4 | 7 | 7.1 |
| T0min | 0.8 | 1.3 | 1 | 1.1 |
| T90min | 4.9 | 5.6 | 5.5 | 5.2 |
| Minimum torque (dNM) | 1.4 | 1.8 | 1.7 | 1.6 |
| Maximum torque (dNM) | 28.5 | 27.9 | 28.4 | 28.4 |
| Torque difference (dNM) | 27.1 | 26.1 | 26.7 | 26.8 |
| Hardness (Shore A) | 72.5 | 69.6 | 71.3 | 71.3 |
| Tensile Strength (MPa) | 21.8 | 19.6 | 20.5 | 20.7 |
| Elongation at break (%) | 328 | 306 | 320 | 318 |
| Akron weight abrasion loss (g/1.61 Km) | 0.151 | 0.192 | 0.162 | 0.163 |
| Compression set 160 ℃ x 72h (A type)% | 16.9 | 22.1 | 17.6 | 17.8 |
| Dynamic loss factor | 0.138 | 0.172 | 0.149 | 0.15 |
From the above measurement results, it can be seen that, compared with the product of comparative example 1, the viscosity, hardness, crosslinking degree, filler dispersion degree and other properties of the rubber product are significantly improved, the dynamic loss factor is reduced by 19.8%, akron weight abrasion loss is reduced by 21.4%, and compression set is reduced by 23.4%; compared with the comparative example 2, the rubber composition provided in the example 3 of the invention is reduced by 7.4%, 6.8% and 4.0%, respectively, and thus the rubber composition is obviously improved compared with the existing high-performance products; meanwhile, compared with comparative example 3, the modified lignin is respectively reduced by 8.0%, 7|4% and 5.0%, and the comparative test result shows that the added modified lignin is used as a filler, has better fusion with a rubber main body, and also effectively improves the comprehensive performance of the product.
The present invention is not limited to the preferred embodiments, and the patent protection scope of the invention is defined by the claims, and all equivalent structural changes made by the application of the present invention are included in the scope of the invention.
Claims (7)
1. The rubber composition comprises the following components in parts by weight: 100 parts of rubber, 15-30 parts of cross-linking reinforcing agent, 1-15 parts of vulcanizing agent, 2-8 parts of accelerator, 10-20 parts of plasticizer, 50-100 parts of filler and 2-8 parts of anti-aging agent, wherein the cross-linking reinforcing agent has the following structure:
the accelerator is morpholinyl benzothiazole amide;
the plasticizer is a cycloalkyl rubber plasticizer;
the vulcanizing agent is 2, 5-dimethyl-2, 5-di-tert-butyl hexane peroxide;
the filler is aminated modified lignin;
the anti-aging agent is N-phenyl-N' -cyclohexyl p-phenylenediamine.
2. The composition of claim 1, wherein the aminated modified lignin is prepared by a process comprising:
s1, extracting and purifying: extracting lignin from crop waste and purifying the lignin;
s2, sulfonation modification: adding water into the purified lignin, adjusting the pH of the solution to 10 by using a NaOH solution, adding sodium sulfite, heating the solution to 90 ℃, reacting for 8 hours, separating and purifying, and drying the precipitate;
s3, adding water into the sulfonated lignin to prepare an aqueous solution, adding dodecyl amine, uniformly mixing, and reacting at 80 ℃ for 2 hours; after the reaction is finished, regulating the pH value to be=12 by using a NaOH solution, standing, filtering, heating the filtrate at a constant temperature of 50 ℃, regulating the pH value to be=2 by using an HCl solution, standing, filtering, neutralizing the precipitate by acid washing and water washing, and drying at a low temperature to obtain the aminated lignin.
3. The composition according to claim 2, wherein the molar ratio of lignin to dodecyl amine after sulfonation in step S3 is 1:1.
4. a composition according to claim 2 or 3, wherein the concentration of NaOH solution in step S2 and step S3 is 1%.
5. A composition according to claim 2 or 3, wherein the crop waste is wheat straw, corn straw.
6. A composition according to any one of claims 1 to 3, wherein the rubber is nitrile rubber.
7. The method for producing a rubber composition according to any one of claims 1 to 6, comprising the steps of:
s1, adding rubber and a crosslinking reinforcing agent into a banburying chamber according to a proportion, mixing, and adding a vulcanizing agent, an accelerator, a plasticizer, a filler and an anti-aging agent for 3-8min, wherein the mixing temperature is 80-180 ℃;
s2, vulcanizing the mixed raw materials at 130-220 ℃ for 10-60min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN108117680A (en) * | 2017-12-29 | 2018-06-05 | 大冢材料科技（上海）有限公司 | Rubber composition and preparation method thereof |
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| CN110128718A (en) * | 2019-05-05 | 2019-08-16 | 浙江百朗士橡塑科技有限公司 | A kind of nitrile rubber of low compression set and preparation method thereof |
| CN111763358A (en) * | 2019-04-02 | 2020-10-13 | 中国石油化工股份有限公司 | Rubber composition containing rubber modifier, vulcanized rubber, and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111748133B (en) * | 2020-07-08 | 2021-05-07 | 南京工业大学 | Application of lignin in preparation of radial tires |
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| CN108117680A (en) * | 2017-12-29 | 2018-06-05 | 大冢材料科技（上海）有限公司 | Rubber composition and preparation method thereof |
| CN109020845A (en) * | 2018-09-21 | 2018-12-18 | 中国科学院成都有机化学有限公司 | A kind of preparation method of pair of methacryl amido benzene sulfonic acid sodium salt |
| CN111763358A (en) * | 2019-04-02 | 2020-10-13 | 中国石油化工股份有限公司 | Rubber composition containing rubber modifier, vulcanized rubber, and preparation method and application thereof |
| CN110128718A (en) * | 2019-05-05 | 2019-08-16 | 浙江百朗士橡塑科技有限公司 | A kind of nitrile rubber of low compression set and preparation method thereof |
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