CN113637267A - Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof - Google Patents
Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof Download PDFInfo
- Publication number
- CN113637267A CN113637267A CN202111049574.4A CN202111049574A CN113637267A CN 113637267 A CN113637267 A CN 113637267A CN 202111049574 A CN202111049574 A CN 202111049574A CN 113637267 A CN113637267 A CN 113637267A
- Authority
- CN
- China
- Prior art keywords
- ethylene propylene
- diene monomer
- propylene diene
- acid
- alkali resistant
- 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
- 229920002943 EPDM rubber Polymers 0.000 title claims abstract description 83
- 239000002253 acid Substances 0.000 title claims abstract description 58
- 239000003513 alkali Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 49
- 239000007822 coupling agent Substances 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- 239000000945 filler Substances 0.000 claims abstract description 20
- 239000000314 lubricant Substances 0.000 claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000004898 kneading Methods 0.000 claims abstract description 13
- 238000003801 milling Methods 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 7
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 6
- 238000004073 vulcanization Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000006229 carbon black Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 6
- XPBBUZJBQWWFFJ-UHFFFAOYSA-N fluorosilane Chemical group [SiH3]F XPBBUZJBQWWFFJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 238000000465 moulding Methods 0.000 abstract 1
- VBGGLSWSRVDWHB-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl-tris(trifluoromethoxy)silane Chemical group FC(F)(F)O[Si](OC(F)(F)F)(OC(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F VBGGLSWSRVDWHB-UHFFFAOYSA-N 0.000 description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 8
- 229960000892 attapulgite Drugs 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 8
- 229910052625 palygorskite Inorganic materials 0.000 description 8
- 239000012188 paraffin wax Substances 0.000 description 8
- 229910052717 sulfur Inorganic materials 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- -1 ethylene, propylene Chemical group 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance 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
- 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
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The application relates to the technical field of ethylene propylene diene monomer, in particular to acid and alkali resistant ethylene propylene diene monomer and a preparation method thereof. The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps: s1, adding ethylene propylene diene monomer and fluororubber into an internal mixer for stirring; adding a reinforcing agent, a coupling agent, a compatibilizer and a lubricant into an internal mixer, heating and kneading, and vacuumizing to obtain a first mixture; adding the mixture I into an open mill for open milling to obtain a mixture II; and mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and molding to obtain the acid and alkali resistant ethylene propylene diene monomer rubber. The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components: ethylene propylene diene monomer, fluororubber, reinforcing agent, coupling agent, compatibilizer, filler, vulcanizing agent and lubricant. The acid and alkali resistant ethylene propylene diene monomer rubber has the advantages of excellent mechanical property and strong acid and alkali resistant capability.
Description
Technical Field
The application relates to the technical field of ethylene propylene diene monomer, in particular to acid and alkali resistant ethylene propylene diene monomer and a preparation method thereof.
Background
Ethylene propylene diene monomer is a copolymer of ethylene, propylene and a small amount of non-conjugated diene, is one of ethylene propylene rubbers, is represented by EPDM (ethylene propylene diene monomer), has excellent aging resistance such as ozone resistance, heat resistance, weather resistance and the like because the main chain of the ethylene propylene diene monomer is composed of chemically stable saturated hydrocarbon and only contains unsaturated double bonds in the side chain, and can be widely used in the fields of automobile parts, waterproof materials for buildings, wire and cable sheaths, heat-resistant rubber tubes, adhesive tapes, automobile sealing parts and the like.
Because the application of the ethylene propylene diene monomer is more and more extensive, people have higher and higher requirements on the acid and alkali resistance of the ethylene propylene diene monomer.
Disclosure of Invention
In order to improve the acid and alkali resistance of the ethylene propylene diene monomer, the application provides the acid and alkali resistant ethylene propylene diene monomer and a preparation method thereof.
In a first aspect, the application provides a preparation method of acid and alkali resistant ethylene propylene diene monomer, which adopts the following technical scheme:
s1, adding ethylene propylene diene monomer and fluororubber into an internal mixer, and stirring for 15-25 min;
s2, adding a reinforcing agent, a coupling agent, a compatibilizer and a lubricant into an internal mixer, heating and kneading, and vacuumizing to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming to obtain the acid and alkali resistant ethylene propylene diene monomer.
Further, in the step S2, the heating temperature is 120-150 ℃.
Further, in the S2, the heating kneading time is 60-90 min.
Further, in the step S2, the vacuumizing time is 70-90 min, and the vacuum degree during the vacuumizing is-0.08 to-0.12 Mpa.
Further, in the step S4, the vulcanization temperature is 170-200 ℃, and the vulcanization time is 10-15 min.
In a second aspect, the application provides an acid and alkali resistant ethylene propylene diene monomer, which comprises the following components in parts by weight:
further, the fluororubber is a perfluororubber.
Further, the reinforcing agent is a combination of nano-shale ceramsite and white carbon black, and the weight ratio of the nano-shale ceramsite to the white carbon black is as follows: nano shale ceramisite: white carbon black is 2-5: 1.
further, the particle size of the nano shale ceramsite is 20-40 nm.
Further, the coupling agent is a fluorosilane coupling agent.
In summary, the present application has the following beneficial effects:
1. the fluorine rubber with excellent solvent resistance and corrosion resistance is adopted, so that the corrosion resistance of the ethylene propylene diene monomer is improved, and the perfluoro rubber is preferably adopted, so that the acid and alkali resistance and the chemical stability of the ethylene propylene diene monomer are further improved;
2. by adopting the nano shale ceramisite as the reinforcing agent, the nano shale ceramisite has the performances of compression resistance, wear resistance, high temperature resistance, corrosion resistance and acid and alkali resistance, not only can the mechanical property of the ethylene propylene diene monomer be improved, but also the acid and alkali resistance of the ethylene propylene diene monomer can be further improved;
3. by adding the fluorosilane coupling agent, the dispersibility of the nano shale ceramsite in the ethylene propylene diene monomer can be improved, so that the mechanical property and the acid and alkali resistance of the ethylene propylene diene monomer are further improved.
Detailed Description
The present application will be described in further detail with reference to examples.
Examples
Example 1
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, the grain diameter of the nano shale ceramsite is 20 nm.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 25 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 90min at the controlled temperature of 150 ℃, and vacuumizing for 90min at the controlled vacuum degree of-0.12 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming, wherein the temperature is controlled to be 200 ℃ during vulcanization, and the vulcanization time is 15min, so that the acid and alkali resistant ethylene propylene diene monomer is obtained.
Example 2
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, a mixed composition.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 15 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 60min at the temperature of 120 ℃, and vacuumizing for 70min at the vacuum degree of-0.08 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, vulcanizing and forming, wherein the vulcanizing temperature is controlled to be 170 ℃ during vulcanization, and the vulcanizing time is 10min, so that the acid and alkali resistant ethylene propylene diene monomer rubber is obtained, and the particle size of the nano shale ceramsite is 40 nm.
Example 3
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, a mixed composition.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 20 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, vulcanizing and forming, wherein the vulcanizing temperature is controlled to be 180 ℃ during vulcanization, and the vulcanizing time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer rubber is obtained, and the particle size of the nano shale ceramsite is 30 nm.
Example 4
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, the grain diameter of the nano shale ceramsite is 25 nm.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 20 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming, wherein the temperature is controlled to be 180 ℃ during vulcanization, and the vulcanization time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer is obtained.
Example 5
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, the grain diameter of the nano shale ceramsite is 20 nm.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 20 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming, wherein the temperature is controlled to be 180 ℃ during vulcanization, and the vulcanization time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer is obtained.
Comparative example
Comparative example 1
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, a mixed composition.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer into an internal mixer, and stirring for 20 min;
s2, adding the nano-shale ceramsite, the white carbon black, the coupling agent, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, vulcanizing and forming, wherein the vulcanizing temperature is controlled to be 180 ℃ during vulcanization, and the vulcanizing time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer rubber is obtained, and the particle size of the nano shale ceramsite is 30 nm.
Comparative example 2
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the coupling agent is perfluorodecyl trimethoxy silane, the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, a mixed composition.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 20 min;
s2, adding white carbon black, a coupling agent, a compatibilizer and a lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a mixture I;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming, wherein the temperature is controlled to be 180 ℃ during vulcanization, and the vulcanization time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer is obtained.
Comparative example 3
The acid and alkali resistant ethylene propylene diene monomer rubber comprises the following components in parts by weight:
the compatibilizer is ethylene propylene diene monomer grafted maleic anhydride, the filler is attapulgite, the vulcanizing agent is sulfur, and the lubricant is chlorinated paraffin and zinc stearate in a weight ratio of 1: 1, a mixed composition.
The preparation method of the acid and alkali resistant ethylene propylene diene monomer comprises the following steps:
s1, adding ethylene propylene diene monomer and perfluororubber into an internal mixer, and stirring for 20 min;
s2, adding the nano-shale ceramsite, the white carbon black, the compatibilizer and the lubricant into an internal mixer, heating and kneading for 80min at the temperature of 140 ℃, and vacuumizing for 80min at the vacuum degree of-0.10 Mpa to obtain a mixture I;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, vulcanizing and forming, wherein the vulcanizing temperature is controlled to be 180 ℃ during vulcanization, and the vulcanizing time is 13min, so that the acid and alkali resistant ethylene propylene diene monomer rubber is obtained, and the particle size of the nano shale ceramsite is 30 nm.
Performance test
The acid and alkali resistant ethylene propylene diene rubbers prepared in examples 1 to 5 and comparative examples 1 to 3 were divided into three parts, namely an original control group, a group soaked in 10% hydrochloric acid for 3 days and a group soaked in 10% sodium hydroxide solution for 3 days.
The samples were subjected to hardness test according to GB/T531-2009, tensile strength test and elongation test according to GB/T528-2008, and the test results are shown in Table 1.
TABLE 1
As can be seen from Table 1, the acid and base resistances of examples 1 to 5 to which the perfluororubber was added were significantly stronger than those of comparative example 1 to which no perfluororubber was added; the acid and alkali resistance of the examples 1 to 5 added with the nano-shale ceramisite is obviously higher than that of the comparative example 2 without the nano-shale ceramisite; the acid and base resistance of examples 1-5 with the coupling agent perfluorodecyltrimethoxysilane added was also significantly stronger than that of comparative example 3 without the coupling agent perfluorodecyltrimethoxysilane added.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The preparation method of the acid and alkali resistant ethylene propylene diene monomer is characterized by comprising the following steps:
s1, adding ethylene propylene diene monomer and fluororubber into an internal mixer, and stirring for 15-25 min;
s2, adding a reinforcing agent, a coupling agent, a compatibilizer and a lubricant into an internal mixer, heating and kneading, and vacuumizing to obtain a first mixture;
s3, adding the first mixture into an open mill for open milling to obtain a second mixture;
and S4, mixing the mixture II with a filler and a vulcanizing agent, and vulcanizing and forming to obtain the acid and alkali resistant ethylene propylene diene monomer.
2. The preparation method of the acid and alkali resistant ethylene propylene diene monomer rubber according to claim 1, wherein the heating temperature in the step S2 is 120-150 ℃.
3. The method for preparing acid and alkali resistant ethylene propylene diene monomer according to claim 1, wherein in S2, the heating kneading time is 60-90 min.
4. The method for preparing acid and alkali resistant ethylene propylene diene monomer rubber according to any one of claims 1 to 3, wherein in S2, the vacuumizing time is 70-90 min, and the vacuum degree during the vacuumizing is-0.08-0.12 MPa.
5. The preparation method of the acid and alkali resistant ethylene propylene diene monomer rubber according to claim 4, wherein in S4, the vulcanization temperature is 170-200 ℃ and the vulcanization time is 10-15 min.
6. The acid and alkali resistant ethylene propylene diene monomer prepared by the method of any one of claims 1 to 5 is characterized by comprising the following components in parts by weight:
7. the acid and alkali resistant ethylene propylene diene monomer of claim 6, wherein the fluororubber is perfluororubber.
8. The acid and alkali resistant EPDM of claim 6, wherein the reinforcing agent is a combination of nano-shale ceramsite and white carbon black, and the weight ratio of the nano-shale ceramsite to the white carbon black is as follows: nano shale ceramisite: white carbon black is 2-5: 1.
9. the acid and alkali resistant EPDM of claim 8, wherein the particle size of the nano-shale ceramisite is 20-40 nm.
10. The acid and alkali resistant ethylene propylene diene monomer of claim 6, wherein the coupling agent is a fluorosilane coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049574.4A CN113637267A (en) | 2021-09-08 | 2021-09-08 | Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111049574.4A CN113637267A (en) | 2021-09-08 | 2021-09-08 | Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113637267A true CN113637267A (en) | 2021-11-12 |
Family
ID=78425357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111049574.4A Pending CN113637267A (en) | 2021-09-08 | 2021-09-08 | Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113637267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116462924A (en) * | 2023-05-27 | 2023-07-21 | 常州绍鼎密封科技有限公司 | Low-temperature-resistant fluorine rubber and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928557A (en) * | 2017-03-28 | 2017-07-07 | 广州市鑫橡极科技有限公司 | A kind of modified EPT rubber and preparation method thereof |
| CN113185781A (en) * | 2021-06-02 | 2021-07-30 | 上海正兴阀门制造有限公司 | Mixed ethylene propylene diene monomer fluorine rubber and production process thereof |
-
2021
- 2021-09-08 CN CN202111049574.4A patent/CN113637267A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106928557A (en) * | 2017-03-28 | 2017-07-07 | 广州市鑫橡极科技有限公司 | A kind of modified EPT rubber and preparation method thereof |
| CN113185781A (en) * | 2021-06-02 | 2021-07-30 | 上海正兴阀门制造有限公司 | Mixed ethylene propylene diene monomer fluorine rubber and production process thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116462924A (en) * | 2023-05-27 | 2023-07-21 | 常州绍鼎密封科技有限公司 | Low-temperature-resistant fluorine rubber and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101412835B (en) | Blend of fluorubber and silastic, and preparation thereof | |
| CN112646294B (en) | Fluororubber/silicone rubber blend and preparation method thereof | |
| CN110760106A (en) | High-low temperature resistant rubber pipe and manufacturing process thereof | |
| CN110628163A (en) | Low-compression permanent deformation ethylene propylene diene monomer sealing material and preparation method thereof | |
| CN109456542A (en) | A kind of rubber insulation material | |
| CN106674659A (en) | Preparation method of automotive damping rubber | |
| KR20170130700A (en) | Organic-inorganic hybrid composite for non-asbestos gasket with high heat resistance and manufacturing method of composite for gasket using the same | |
| CN113637267A (en) | Acid and alkali resistant ethylene propylene diene monomer rubber and preparation method thereof | |
| CN110483934B (en) | Modified ethylene propylene diene monomer sealing material and preparation method thereof | |
| CN110591175B (en) | Non-filled rubber composition with high mechanical property and low hysteresis loss and preparation method thereof | |
| CN112898688A (en) | Medium-low voltage grade halogen-free flame-retardant ethylene propylene rubber insulating material and preparation method thereof | |
| CN105670146B (en) | A kind of transmission belt high-performance curing bag | |
| CN110938261A (en) | High-temperature-resistance low-emigration EPDM material and preparation method and application thereof | |
| KR101666055B1 (en) | Manufacturing method of composite for gasket using the organic-inorganic hybrid composite for non-asbestos gasket with high heat resistance | |
| KR102467058B1 (en) | Fluoro rubber composition for o-ring with excellent low compression set at high temperature | |
| KR100431128B1 (en) | Rubber composition for tire sidewall | |
| CN115819981A (en) | High-strength low-smoke flame-retardant silicone rubber compound and preparation method thereof | |
| CN104311982A (en) | Room-temperature silane self-crosslinking POE hose and preparation method thereof | |
| CN114516990A (en) | Ethylene propylene diene monomer insulating material with high mechanical property and preparation method thereof | |
| CN108276628A (en) | Gas holder rubber sealing film sizing composition and preparation method thereof | |
| CN113912954A (en) | High-weather-resistance ethylene propylene diene monomer composite material and preparation method and application thereof | |
| CN112876778A (en) | Water gate rubber sealing element with high weather resistance and preparation method thereof | |
| CN112251150A (en) | High-temperature-resistant liquid sealant and preparation method thereof | |
| JPH09143449A (en) | Sealing material for connector | |
| CN113667227B (en) | High-tear-resistance chlorinated polyethylene sheath material for shore power cable and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |