CN112778586A - High-flexibility nitrile rubber and preparation method thereof - Google Patents
High-flexibility nitrile rubber and preparation method thereof Download PDFInfo
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- CN112778586A CN112778586A CN202011521065.2A CN202011521065A CN112778586A CN 112778586 A CN112778586 A CN 112778586A CN 202011521065 A CN202011521065 A CN 202011521065A CN 112778586 A CN112778586 A CN 112778586A
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- 229920000459 Nitrile rubber Polymers 0.000 title claims abstract description 65
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 42
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 23
- 239000007822 coupling agent Substances 0.000 claims abstract description 22
- 239000006229 carbon black Substances 0.000 claims abstract description 19
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000013543 active substance Substances 0.000 claims abstract description 13
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- 238000004073 vulcanization Methods 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 150000001875 compounds Chemical class 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000005060 rubber Substances 0.000 claims description 13
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical group CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 claims description 3
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 claims description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 2
- 229920001030 Polyethylene Glycol 4000 Polymers 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 claims description 2
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- -1 sulfenamide compound Chemical class 0.000 claims description 2
- 229960002447 thiram Drugs 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 1
- BJAJDJDODCWPNS-UHFFFAOYSA-N dotp Chemical compound O=C1N2CCOC2=NC2=C1SC=C2 BJAJDJDODCWPNS-UHFFFAOYSA-N 0.000 description 1
- 238000010556 emulsion polymerization method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000010060 peroxide vulcanization Methods 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/39—Thiocarbamic acids; Derivatives thereof, e.g. dithiocarbamates
- C08K5/40—Thiurams, i.e. compounds containing groups
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/45—Heterocyclic compounds having sulfur in the ring
- C08K5/46—Heterocyclic compounds having sulfur in the ring with oxygen or nitrogen in the ring
- C08K5/47—Thiazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-flexibility nitrile rubber and a preparation method thereof, wherein the high-flexibility nitrile rubber comprises the following raw materials in percentage by mass: 100 parts of nitrile rubber, 3-6 parts of an active agent, 30-50 parts of carbon black, 1-3 parts of an anti-aging agent, 1-2 parts of a coupling agent, 5-10 parts of a filler, 3-5 parts of a plasticizer and 3-5 parts of a composite vulcanizing agent. The invention adopts a novel composite vulcanization system as a vulcanizing agent, improves the flexing resistance of the nitrile rubber, thereby prolonging the service life of the product prepared by the nitrile rubber and reducing the replacement frequency of the product.
Description
Technical Field
The invention relates to the technical field of high polymer materials, and particularly relates to high-flexibility nitrile rubber and a preparation method thereof.
Background
Nitrile Butadiene Rubber (NBR) is a copolymer polymerized by acrylonitrile and butadiene monomers, is mainly produced by a low-temperature emulsion polymerization method, and has the advantages of good oil resistance, high wear resistance, good heat resistance and strong bonding force. At present, the industrial preparation of the nitrile rubber mainly uses a mixing process, wherein the used vulcanizing agents mainly comprise a common vulcanizing system, an effective vulcanizing system, a semi-effective vulcanizing system, a peroxide vulcanizing system and an original composite vulcanizing system, and the obtained nitrile rubber has low bending resistance and can not meet the application requirement of high bending.
Disclosure of Invention
In order to solve the problems, the invention adopts a novel compound vulcanization system to prepare the nitrile rubber, greatly improves the flexibility resistance of the nitrile rubber, and expands the application in the fields of automobiles, aviation and the like.
The invention aims to provide a high-flexibility nitrile rubber which comprises the following raw materials in percentage by mass: 100 parts of nitrile rubber, 3-6 parts of an active agent, 30-50 parts of carbon black, 1-3 parts of an anti-aging agent, 1-2 parts of a coupling agent, 5-10 parts of a filler, 3-5 parts of a plasticizer and 3-5 parts of a composite vulcanizing agent.
Further, the active agent is a mixture of magnesium oxide and stearic acid, or a mixture of zinc oxide and stearic acid.
Further, the carbon black is one or two of white carbon black and carbon black.
Further, the anti-aging agent is one or more of anti-aging agent 4010NA, anti-aging agent BLE, anti-aging agent RD and anti-aging agent AW; preferably, the antioxidant 4010NA is used.
Further, the coupling agent is one or more of coupling agent SI69, coupling agent KH-550 and coupling agent PEG-4000; preferably the coupling agent KH-550.
Further, the filler is modified pottery clay and/or modified kaolin.
Further, the plasticizer is one or more of dioctyl sebacate DOS, dioctyl phthalate DOP, dioctyl adipate DOA and dioctyl terephthalate DOTP.
Further, the composite vulcanizing agent is a thiuram accelerator TMTD, a sulfenamide compound CZ and dicumyl peroxide DCP according to the mass ratio of 1.0-2.0: 3.0-4.0: 3.0-4.0.
Another object of the present invention is to provide a process for the preparation of a high-flex nitrile rubber, comprising the steps of: sequentially adding the nitrile butadiene rubber raw rubber, the activating agent, the anti-aging agent, the coupling agent, the carbon black mixture and the filler into an internal mixer for mixing for 10-15 minutes, discharging rubber into an open mill after mixing, and adding a vulcanizing agent for mixing to obtain the high-flexibility nitrile butadiene rubber compound.
Further, the rubber discharging temperature is 100-130 ℃, and the vulcanizing and mixing temperature is 50-60 ℃.
The invention has the beneficial effects that:
the invention adopts a novel composite vulcanization system to improve the flexing resistance of the nitrile rubber material, thereby prolonging the service life of the product and reducing the replacement frequency of the product.
Detailed Description
The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the examples are not intended to limit the present invention.
Example 1:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, a common vulcanization system is used, and 2.0 parts of a vulcanizing agent S, 0.5 part of CZ and 0.7 part of DM are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting compound of the high-flex nitrile rubber compound was vulcanized at 170 ℃ 300S on a press vulcanizer, and the vulcanized sample was subjected to a flex resistance test after 24 hours.
Example 2:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, a semi-effective vulcanization system is used, and 1.5 parts of a vulcanizing agent S and 1.5 parts of CZ are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Example 3:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, an effective vulcanization system is used, and 0.3 part of a vulcanizing agent S, 1.5 parts of DM and 2.0 parts of TMTD are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Example 4:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, a peroxide vulcanization system is used, and vulcanizing agents DCP 2.0 and TAIC 1.0 are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Example 5:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃ and then added into an open mill, a novel compound vulcanization system is used, and 1.5 parts of vulcanizing agent DCP, 1.5 parts of CZ and 1.0 part of TMTD are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Comparative example 1:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, an original compound vulcanization system is used, and 0.3 part of vulcanizing agent S, 1.5 parts of DM, 0.5 part of M and 2.0 parts of DCP are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Comparative example 2:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, an original compound vulcanization system is used, and 2.0 parts of vulcanizing agents DCP, 1.0 part of CZ and 0.5 part of TMTD are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
Comparative example 3:
the embodiment provides a high-flexibility nitrile rubber, which is prepared by the following specific steps: 100 parts of nitrile rubber, 6 parts of an active agent, 45 parts of carbon black, 3 parts of an anti-aging agent, 2 parts of a coupling agent, 10 parts of a filler and 5 parts of a plasticizer are sequentially added into an internal mixer for mixing for 10-15 minutes, rubber is discharged at 120 ℃, then the mixture is added into an open mill, an original compound vulcanization system is used, and 1.0 part of vulcanizing agent DCP, 2.0 parts of CZ and 1.5 part of TMTD are added into the open mill at the roll temperature of 50 ℃ for mixing to obtain the high-flexibility nitrile rubber. The resulting high flex nitrile rubber compound was vulcanized on a press at 170 ℃ 300S and the vulcanized sample was tested for flex resistance after 24 hours.
TABLE 1 flex resistance test for nitrile rubbers in examples 1-7
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The high-flexibility nitrile rubber is characterized by comprising the following raw materials in percentage by mass: 100 parts of nitrile rubber, 3-6 parts of an active agent, 30-50 parts of carbon black, 1-3 parts of an anti-aging agent, 1-2 parts of a coupling agent, 5-10 parts of a filler, 3-5 parts of a plasticizer and 3-5 parts of a composite vulcanizing agent.
2. The high flex nitrile rubber according to claim 1, wherein the active agent is a mixture of magnesium oxide and stearic acid, or a mixture of zinc oxide and stearic acid.
3. The high-flexibility nitrile rubber according to claim 1, wherein the carbon black is one or both of white carbon black and carbon black.
4. The high-flexibility nitrile rubber according to claim 1, wherein the anti-aging agent is one or more of anti-aging agent 4010NA, anti-aging agent BLE, anti-aging agent RD and anti-aging agent AW.
5. The high-flexibility nitrile rubber according to claim 1, wherein the coupling agent is one or more of coupling agent SI69, coupling agent KH-550 and coupling agent PEG-4000.
6. The high-flex nitrile rubber according to claim 1, wherein the filler is a modified clay and/or a modified kaolin.
7. The high-flex nitrile rubber according to claim 1, wherein the plasticizer is one or more of dioctyl sebacate, dioctyl phthalate, dioctyl adipate, dioctyl terephthalate.
8. The high-flexibility nitrile rubber according to claim 1, wherein the composite vulcanizing agent is a thiuram accelerator TMTD, a sulfenamide compound CZ and dicumyl peroxide DCP in a mass ratio of 1.0-2.0: 3.0-4.0: 3.0-4.0.
9. A process for the preparation of a high-flex nitrile rubber according to any of claims 1 to 8, characterised in that it comprises the following steps: sequentially adding the nitrile butadiene rubber raw rubber, the activating agent, the anti-aging agent, the coupling agent, the carbon black mixture and the filler into an internal mixer for mixing for 10-15 minutes, discharging rubber into an open mill after mixing, and adding a vulcanizing agent for mixing to obtain the high-flexibility nitrile butadiene rubber compound.
10. The method as claimed in claim 9, wherein the binder removal temperature is 100-130 ℃, and the vulcanization mixing temperature is 50-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011521065.2A CN112778586A (en) | 2020-12-21 | 2020-12-21 | High-flexibility nitrile rubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011521065.2A CN112778586A (en) | 2020-12-21 | 2020-12-21 | High-flexibility nitrile rubber and preparation method thereof |
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| CN112778586A true CN112778586A (en) | 2021-05-11 |
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| CN202011521065.2A Pending CN112778586A (en) | 2020-12-21 | 2020-12-21 | High-flexibility nitrile rubber and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338047A (en) * | 2008-08-14 | 2009-01-07 | 中国铁道科学研究院金属及化学研究所 | Low rigidity, low compression permanent deformation cold tolerant butadiene nitrile rubber compositions |
| CN101597391A (en) * | 2009-06-12 | 2009-12-09 | 浙江荣康密封件有限公司 | A kind of highly-abrasion-resistant butadiene-acrylonitrile-rubber vulcanized rubber and preparation method thereof |
| CN104262707A (en) * | 2014-09-25 | 2015-01-07 | 沈阳化工大学 | Light-colored NBR (nitrile-butadiene rubber)/PVC (polyvinyl chloride) elastomer taking LNBR (liquid nitrile-butadiene rubber) as plasticizer and preparation method of light-colored NBR/PVC elastomer |
| WO2015154492A1 (en) * | 2014-04-10 | 2015-10-15 | 戴李宗 | Organic-inorganic composite vulcanized nitrile rubber for sealing element and preparation method therefor |
| WO2017193762A1 (en) * | 2016-05-12 | 2017-11-16 | 南京思凯橡胶制品有限公司 | Rubber composition and application |
-
2020
- 2020-12-21 CN CN202011521065.2A patent/CN112778586A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101338047A (en) * | 2008-08-14 | 2009-01-07 | 中国铁道科学研究院金属及化学研究所 | Low rigidity, low compression permanent deformation cold tolerant butadiene nitrile rubber compositions |
| CN101597391A (en) * | 2009-06-12 | 2009-12-09 | 浙江荣康密封件有限公司 | A kind of highly-abrasion-resistant butadiene-acrylonitrile-rubber vulcanized rubber and preparation method thereof |
| WO2015154492A1 (en) * | 2014-04-10 | 2015-10-15 | 戴李宗 | Organic-inorganic composite vulcanized nitrile rubber for sealing element and preparation method therefor |
| CN104262707A (en) * | 2014-09-25 | 2015-01-07 | 沈阳化工大学 | Light-colored NBR (nitrile-butadiene rubber)/PVC (polyvinyl chloride) elastomer taking LNBR (liquid nitrile-butadiene rubber) as plasticizer and preparation method of light-colored NBR/PVC elastomer |
| WO2017193762A1 (en) * | 2016-05-12 | 2017-11-16 | 南京思凯橡胶制品有限公司 | Rubber composition and application |
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