CN104262728A - Rubber with low Mooney viscosity and high oil resistance as well as preparation method and application thereof in screw pump stator - Google Patents
Rubber with low Mooney viscosity and high oil resistance as well as preparation method and application thereof in screw pump stator Download PDFInfo
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Abstract
The invention discloses a formula of screw pump stator rubber with low Mooney viscosity and high oil resistance and belongs to the field of the rubber materials. The screw pump stator rubber is prepared from the following raw materials in parts by weight: 100 parts of hydrogenated butadiene-acrylonitrile rubber, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, 30-40 parts of intermediate super carbon black, 30-40 parts of highly wear-resistant carbon black, 8-18 parts of plasticizer, 1-3 parts of anti-aging agent, 0-3 parts of flowing agent, 2.5-3.5 parts of accelerant and 0.8-1.5 parts of vulcanizing agent. The screw pump stator rubber has excellent oil resistance and is capable of meeting the requirements of an oil well on the properties of the screw pump stator rubber; the screw pump stator rubber has low Mooney viscosity and is capable of meeting the production requirements on rubber injection vulcanization, extrusion and the like, and further is good in processability; and besides, the screw pump stator rubber has excellent physical and mechanical properties before and after oil resisting and is capable of meeting the use requirements on the rubber under complex well conditions, and consequently, the service life of the rubber can be increased.
Description
Technical field
Patent of the present invention belongs to field of rubber materials, particularly relates to a kind of screw pump stator rubber.
Background technology
Along with the development of petroleum drilling and mining industry, more and more higher to the requirement of rubber item, require that rubber has excellent oil-proofness, the performance requriements of oil well to screw pump stator rubber can be met; There is low mooney viscosity, production requirement, the good manufacturability such as can meet rubber injection sulfuration, extrude; Oil resistant is forward and backward all has good physical and mechanical properties, can meet the service requirements of rubber under complex hole condition, improve its work-ing life.
The operating temperature range of the stator rubber of current domestic many manufacturer production is lower than 80 DEG C, if will reach higher temperature, use singularity paracril, such as hydrogenated nitrile-butadiene rubber (HNBR).This is because its saturated main polymer chain of hydrogenated nitrile-butadiene rubber with there is the vinyl cyanide functional groups of strong polarity and inertia, there is excellent heat-resisting, oil resistant and wear resisting property, be resistance to oil polymer, the performance requriements of product in oil well can be met completely.
Notification number CN103804738A patent document discloses a kind of high-temperature stator elastomeric material and preparation method thereof, the invention discloses a kind of high-temperature stator elastomeric material, be mainly 39% with acrylonitrile content, mooney viscosity 39, the hydrogenated nitrile-butadiene rubber of residual double bonds content≤0.9 and acrylonitrile content 33%, mooney viscosity 77, the carboxyl hydrogenated nitrile-butadiene rubber of residual double bonds content 3.5% is also used, by adjustment vulcanization system, make paracril and carboxyl hydrogenated nitrile-butadiene rubber covulcanization, reach resistant to elevated temperatures requirement.
Notification number CN101891908A patent discloses a kind of Multifunctional ZnO whisker reinforced stator rubber for screw pump material, the invention discloses a kind ofly can overcome that rubbery intensity is low, plasticity is poor, the rubber of wear resisting property and the defect such as chemical stability is not enough, in 65% paracril (NBR), mainly add modified nano zinc oxide and modified zinc oxide whisker and the refining of other rubber ingredients form.By ZnOw, modification is carried out thus lifting rubber item intensity, plasticity and the comprehensive use properties such as chemical stability, thermostability thereof to NBR, thus extend the work-ing life of goods.
Notification number CN101624456A patent discloses a kind of screw pump rubber stator material and preparation method thereof, the invention discloses a kind of in hydrogenated nitrile-butadiene rubber, add the refining of organic montmorillonoid (OMMT), nano zine oxide and other rubber ingredients form.The invention solves that screw pump rubber stator material cost is high, the problem of poor mechanical property.
Find through inquiry, hydrogenated nitrile-butadiene rubber is applied to screw pump stator elastomeric material by existing patent at present, but most of patent stresses improving physics or the chemical property of hydrogenated nitrile-butadiene rubber, as the aspect such as resistance to elevated temperatures, poor mechanical property, rarer patent relates to hydrogenated nitrile-butadiene rubber and possesses better physicals, and can meet the requirement with actual production preferably.
Summary of the invention
The invention provides a kind of low Mooney high oil-proofness rubber, its prescription quality part is: hydrogenated nitrile-butadiene rubber 100 parts, zinc oxide 5-10 part, stearic acid 1-3 part, in super carbon black 30-40 part, high wear-resistant carbon black 30-40 part, softening agent 8-18 part, anti-aging agent 1-3 part, flowing agent 0-3 part, promotor 2.5-3.5 part, vulcanizing agent 0.8-1.5 part.
Preferably, in described low Mooney high oil-proofness rubber, the acrylonitrile content of hydrogenated nitrile-butadiene rubber is lower than for 43%, ML (1+4), 100 DEG C of mooney viscosities are lower than 42, and residual double bonds number is greater than 5.5%.
Preferably, described softening agent is ether ester plasticizer TP-95.
Preferably, described anti-aging agent is the mixed preparation of p phenylenediamine type antioxidant and imidazoles anti-aging agent, and the weight ratio of p phenylenediamine type antioxidant and imidazoles anti-aging agent is 5:2, wherein p phenylenediamine type antioxidant comprise 4010NA, 4010 or DDA in any one; Imidazoles anti-aging agent comprise in MB or MBZ any one.
Preferably, described promotor is thiazoles and sulfenamide and uses.
Preferably, described vulcanizing agent is sulphur.
Preferably, described flowing agent is special glue processing aid.
Preferably, described special glue processing aid chemical composition is polyunsaturated fatty acid ester.
Another object of the present invention is to the preparation method that a kind of low Mooney high oil-proofness rubber is provided, specifically comprise the steps:
1) rubber is plasticated: first 1mm is transferred in roll spacing, load weighted hydrogenated nitrile-butadiene rubber is placed on roller, make rubber bag roller, and ensure certain gum deposit, plasticate at least 15 times, then bottom sheet, cooling, park 4-8h, again the sizing material after parking is carried out second time to plasticate, again bottom sheet, cool and park;
2) rubber compounding: 6-8mm is transferred in roll spacing, toward step 1) first add anti-aging agent, zinc oxide and stearic acid in obtained sizing material of plasticating, after rubber compounding 3-4 minute, alternately add carbon black, flowing agent and softening agent, continue mixing 20-30 minute, then add left and right broaching tool 8 obtained rubber unvulcanizates I.
3) add promotor and vulcanizing agent: in step 2) in add promotor, vulcanizing agent in obtained rubber unvulcanizate, left and right broaching tool makes promotor, vulcanizing agent evenly be mixed in sizing material, obtained rubber unvulcanizate II.
4) sizing material thin-pass: until step 3) in after promotor and vulcanizing agent mix, left and right broaching tool 8 times, plays blanking after triangle bag 3 times.Roller roll spacing is transferred to after being minimal to 0.5mm and drops into rubber unvulcanizate thin-pass 5 times, blanking, obtained rubber unvulcanizate III.
5) bin aging: by step 4) in obtained rubber unvulcanizate III at room temperature park 16-24 hour, obtained screw pump stator rubber.
The rubber applications that the present invention adopts above-mentioned formula and preparation method to obtain is on screw pump stator rubber.
Adopt the rubber of formula preparation of the present invention to have excellent oil-proofness, the performance requriements of oil well to screw pump stator rubber can be met; There is low mooney viscosity, production requirement, the good manufacturability such as can meet rubber injection sulfuration, extrude; Oil resistant is forward and backward all has good physical and mechanical properties, can meet the service requirements of rubber under complex hole condition, improve its work-ing life.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In order to obtain low Mooney high oil-proofness rubber of the present invention, below illustrate its preparation method:
First complete processing is described:
Batching: by each raw material of the weighing of formula table requirement.
1) rubber is plasticated: first 1mm is transferred in roll spacing, load weighted hydrogenated nitrile-butadiene rubber is placed on roller, make rubber bag roller, and ensure certain gum deposit, plasticate at least 15 times, then bottom sheet, cooling, park 4 ~ 8h, again the sizing material after parking is carried out second time to plasticate, again bottom sheet, cool and park;
2) rubber compounding: 6-8mm is transferred in roll spacing, toward step 1) first add anti-aging agent, zinc oxide and stearic acid in obtained sizing material of plasticating, after rubber compounding 3-4 minute, alternately add carbon black, flowing agent and softening agent, continue mixing 20-30 minute, left and right broaching tool 8 obtained rubber unvulcanizates I.
3) add promotor and vulcanizing agent: in step 2) in add promotor, vulcanizing agent in obtained rubber unvulcanizate, left and right broaching tool makes promotor, vulcanizing agent evenly be mixed in sizing material, obtained rubber unvulcanizate II.
4) sizing material thin-pass: until step 3) in after promotor and vulcanizing agent mix, left and right broaching tool 8 times, plays blanking after triangle bag 3 times.Roller roll spacing is transferred to after being minimal to 0.5mm and drops into rubber unvulcanizate thin-pass 5 times, blanking, obtained rubber unvulcanizate III.
5) bin aging: by step 4) in obtained rubber unvulcanizate III at room temperature park 16-24 hour, obtained screw pump stator rubber.
The rubber applications that the present invention adopts above-mentioned formula and preparation method to obtain is on screw pump stator rubber.
Below illustrate when adopting different mass part formula, the physical property that screw pump stator rubber of the present invention has:
Embodiment 1
As above, its formula is as follows for the preparation method of the present embodiment:
Table 1
| Sequence number | Component | Consumption (mass fraction) |
| 1 | HNBR | 100 |
| 2 | Zinc oxide | 5 |
| 3 | Stearic acid | 1 |
| 4 | In super carbon black | 35 |
| 5 | High wear-resistant carbon black | 35 |
| 6 | Softening agent | 13 |
| 7 | Flowing agent | 0.5 |
| 8 | Anti-aging agent | 1.4 |
| 9 | Promotor | 3 |
| 10 | Sulphur | 1.2 |
Above-mentioned table 1 is each component of material of the present embodiment and the consumption situation of each component, wherein:
1, HNBR glue is that German Lanxess Corporation produces, and acrylonitrile content is 43%, ML (1+4), 100 DEG C of mooney viscosities is 39, and residual double bonds is 5.5%.
2, zinc oxide is the indirect process zinc oxide that the suitable photoinitiator chemical company limited in Huaining County produces, and stearic acid is that Indonesia produces.Zinc oxide and stearic acid, also with forming soluble salt, strengthen the activation to promotor.
3, the interpolation of flowing agent further increases the mobility of sizing material, the production requirement such as be more conducive to rubber injection sulfuration, extrude.
The performance test data of sizing material:
Hardness, ShoreA:81;
Tensile strength, MPa:22.4;
Elongation rate of tensile failure, %:350;
300% stress at definite elongation, MPa:20.9
Break tension set, %:12;
Tear strength, MPa:68.2;
Mooney viscosity, ML1+4,100 DEG C: 46.
By the screw pump stator rubber that obtains according to described table 10
#soak in diesel oil, resistance to 0
#diesel oil condition is 55 DEG C × 168h.
Sizing material resistance to 0
#performance test data after diesel oil:
Hardness, ShoreA:83;
Tensile strength, MPa:21.5;
Elongation rate of tensile failure, %:360;
300% stress at definite elongation, MPa:19.9
Break tension set, %:12;
Tear strength, MPa:60.7.
Resistance to 0
#the forward and backward performance variation value of diesel oil is:
Hardness, velocity of variation, %:2.5;
Tensile strength velocity of variation, %:-4.0;
Elongation rate of tensile failure velocity of variation, %:2.9;
300% stress at definite elongation velocity of variation, %:4.8;
Break tension set velocity of variation, %:0;
Tear strength velocity of variation, %:-11.0;
Volume change, %:0.09;
Mass change, %:-0.69.
Embodiment 2
Table 2
| Sequence number | Component | Consumption (mass fraction) |
| 1 | HNBR | 100 |
| 2 | Zinc oxide | 8 |
| 3 | Stearic acid | 1 |
| 4 | In super carbon black | 38 |
| 5 | High wear-resistant carbon black | 33 |
| 6 | Softening agent | 11 |
| 7 | Flowing agent | 3 |
| 8 | Anti-aging agent | 1.2 |
| 9 | Promotor | 3 |
| 10 | Sulphur | 1 |
The performance test data of sizing material:
Hardness, ShoreA:82; Tensile strength, MPa:20.2; Elongation rate of tensile failure, %:460;
300% stress at definite elongation, MPa:15.8; Break tension set, %:18;
Tear strength, MPa:67; Mooney viscosity, ML1+4,100 DEG C: 42
By the screw pump stator rubber that obtains according to described table 10
#soak in diesel oil, resistance to 0
#diesel oil condition is 55 DEG C × 168h.Sizing material resistance to 0
#performance test data after diesel oil:
Hardness, ShoreA:80; Tensile strength, MPa:20.4; Elongation rate of tensile failure, %:440;
300% stress at definite elongation, MPa:15.9; Break tension set, %:16;
Tear strength, MPa:67;
Resistance to 0
#the forward and backward performance variation value of diesel oil is:
Hardness, velocity of variation, %:-2.4;
Tensile strength velocity of variation, %:1.0;
Elongation rate of tensile failure velocity of variation, %:-4.3;
300% stress at definite elongation velocity of variation, %:0.6;
Break tension set velocity of variation, %:-11.1;
Tear strength velocity of variation, %:0;
Volume change, %:1.83;
Mass change, %:0.93.
Find through above-mentioned experiment, adopt the rubber of formula preparation of the present invention to have excellent oil-proofness, the performance requriements of oil well to screw pump stator rubber can be met; There is low mooney viscosity, production requirement, the good manufacturability such as can meet rubber injection sulfuration, extrude; Oil resistant is forward and backward all has good physical and mechanical properties, can meet the service requirements of rubber under complex hole condition, improve its work-ing life.
The present invention relates to technician's easy understand in field; the foregoing is only preferred embodiment of the present invention; but be not limited in the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind low Mooney high oil-proofness rubber, it is characterized in that, its prescription quality part is: hydrogenated nitrile-butadiene rubber 100 parts, zinc oxide 5-10 part, stearic acid 1-3 part, in super carbon black 30-40 part, high wear-resistant carbon black 30-40 part, softening agent 8-18 part, anti-aging agent 1-3 part, flowing agent 0-3 part, promotor 2.5-3.5 part, sulphur 0.8-1.5 part.
2. low Mooney high oil-proofness rubber according to claim 1, is characterized in that, in described low Mooney high oil-proofness rubber, the acrylonitrile content of hydrogenated nitrile-butadiene rubber is lower than being 43%, ML(1+4) 100 DEG C of mooney viscosities are 30-42, residual double bonds number is greater than 5.5%.
3. low Mooney high oil-proofness rubber according to claim 1, it is characterized in that, described softening agent is ether ester plasticizer TP-95.
4. low Mooney high oil-proofness rubber according to claim 1, it is characterized in that, described anti-aging agent is the mixed preparation of p phenylenediamine type antioxidant and imidazoles anti-aging agent, and the weight ratio of p phenylenediamine type antioxidant and imidazoles anti-aging agent is 5:2.
5. low Mooney high oil-proofness rubber according to claim 4, is characterized in that, p phenylenediamine type antioxidant comprise 4010NA, 4010 or DDA in any one; Imidazoles anti-aging agent comprise in MB or MBZ any one.
6. low Mooney high oil-proofness rubber according to claim 1, it is characterized in that, described promotor is the mixed preparation of thiazoles and sulfenamide, and promotor is the weight ratio of thiazoles and sulfenamide is 1:2.
7. low Mooney high oil-proofness rubber according to claim 6, is characterized in that, thiazole accelerator comprise in altax, captax or captax H any one; Sulfenamide type accelerators comprise in accelerant CZ, accelerant NOBS or accelerator DZ any one.
8. low Mooney high oil-proofness rubber according to claim 1, it is characterized in that, described flowing agent is polyunsaturated fatty acid ester.
9. a preparation method for low Mooney high oil-proofness rubber, is characterized in that, comprise the steps:
1) rubber is plasticated: first 1mm is transferred in roll spacing, load weighted hydrogenated nitrile-butadiene rubber is placed on roller, make rubber bag roller, and ensure certain gum deposit, plasticate at least 15 times, then bottom sheet, cooling, park 4 ~ 8h, again the sizing material after parking is carried out second time to plasticate, again bottom sheet, cool and park;
2) rubber compounding: 6-8mm is transferred in roll spacing, anti-aging agent, zinc oxide and stearic acid is first added in the sizing material of plasticating that step 1) is obtained, after rubber compounding 3-4 minute, alternately add carbon black, flowing agent and softening agent, continue mixing 20-30 minute, then add left and right broaching tool 8 obtained rubber unvulcanizates I;
3) add promotor and vulcanizing agent: in step 2) in add promotor, vulcanizing agent in obtained rubber unvulcanizate, left and right broaching tool makes promotor, vulcanizing agent evenly be mixed in sizing material, obtained rubber unvulcanizate II;
4) sizing material thin-pass: after promotor in step 3) and vulcanizing agent mix, left and right broaching tool 8 times, plays blanking after triangle bag 3 times, roller roll spacing is transferred to after being minimal to 0.5mm and drops into rubber unvulcanizate thin-pass 5 times, blanking, obtained rubber unvulcanizate III;
5) bin aging: the rubber unvulcanizate III obtained in step 4) is at room temperature parked 16-24 hour, obtained screw pump stator rubber.
10. the application of any one according to claim 1-9 on screw pump stator rubber.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104744748A (en) * | 2015-03-25 | 2015-07-01 | 江汉石油钻头股份有限公司 | Oil resistant stator rubber used for positive displacement motor drill with equal wall thickness |
| CN105111542A (en) * | 2015-09-16 | 2015-12-02 | 沈阳工业大学 | LNBR (liquid nitrile butadiene rubber) modified NBR (nitrile butadiene rubber) for wear-resistant and oil-resistant screw pump stator and preparation method of NBR |
| CN106243423A (en) * | 2016-08-30 | 2016-12-21 | 中石化石油机械股份有限公司江钻分公司 | A kind of high-performance stator rubber being applicable to water-base drilling fluid environment |
| CN106589504A (en) * | 2015-10-15 | 2017-04-26 | 青岛科技大学 | High-temperature-resistant heat-conducting stator rubber material and preparation method thereof |
| CN108659291A (en) * | 2017-03-31 | 2018-10-16 | 江苏骆氏减震件有限公司 | A kind of hydrogenated nitrile rubber composition material and preparation method, application |
| CN111440365A (en) * | 2020-05-06 | 2020-07-24 | 大庆石油管理局有限公司 | Swelling-resistant nitrile rubber material and preparation method and application thereof |
| CN113234265A (en) * | 2021-03-29 | 2021-08-10 | 靳书艳 | Preparation method of hydrogenated nitrile rubber |
| CN114230886A (en) * | 2021-12-21 | 2022-03-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR rubber material for shaft seal and preparation method thereof |
| CN114426716A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Composition for preparing composite hydrogenated nitrile rubber, application of composition, composite hydrogenated nitrile rubber and preparation method of composite hydrogenated nitrile rubber |
| CN114736441A (en) * | 2022-05-10 | 2022-07-12 | 山东道恩特种弹性体材料有限公司 | HNBR (hydrogenated nitrile butadiene rubber) rubber compound for dynamic diaphragm sealing element of oil pump |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804738A (en) * | 2014-03-05 | 2014-05-21 | 南京金三力橡塑有限公司 | High-temperature stator rubber material and preparation method thereof |
| CN103834075A (en) * | 2014-03-10 | 2014-06-04 | 青岛科技大学 | Dynamic vulcanization thermoplastic elastomer composition with high wear resistance |
-
2014
- 2014-09-24 CN CN201410491348.5A patent/CN104262728B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804738A (en) * | 2014-03-05 | 2014-05-21 | 南京金三力橡塑有限公司 | High-temperature stator rubber material and preparation method thereof |
| CN103834075A (en) * | 2014-03-10 | 2014-06-04 | 青岛科技大学 | Dynamic vulcanization thermoplastic elastomer composition with high wear resistance |
Non-Patent Citations (3)
| Title |
|---|
| 刘霞: "《高丙烯腈含量的低门尼粘度HNBR》", 《橡胶参考资料》 * |
| 刘霞: "《高丙烯腈含量的低门尼粘度HNBR》", 《橡胶参考资料》, vol. 38, no. 5, 31 December 2008 (2008-12-31) * |
| 禹权等: "《氢化丁腈橡胶的研究进展》", 《特种橡胶制品》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104744748A (en) * | 2015-03-25 | 2015-07-01 | 江汉石油钻头股份有限公司 | Oil resistant stator rubber used for positive displacement motor drill with equal wall thickness |
| CN105111542A (en) * | 2015-09-16 | 2015-12-02 | 沈阳工业大学 | LNBR (liquid nitrile butadiene rubber) modified NBR (nitrile butadiene rubber) for wear-resistant and oil-resistant screw pump stator and preparation method of NBR |
| CN106589504A (en) * | 2015-10-15 | 2017-04-26 | 青岛科技大学 | High-temperature-resistant heat-conducting stator rubber material and preparation method thereof |
| CN106243423A (en) * | 2016-08-30 | 2016-12-21 | 中石化石油机械股份有限公司江钻分公司 | A kind of high-performance stator rubber being applicable to water-base drilling fluid environment |
| CN106243423B (en) * | 2016-08-30 | 2018-04-27 | 中石化江钻石油机械有限公司 | A kind of high-performance stator rubber suitable for water-base drilling fluid environment |
| CN108659291A (en) * | 2017-03-31 | 2018-10-16 | 江苏骆氏减震件有限公司 | A kind of hydrogenated nitrile rubber composition material and preparation method, application |
| CN111440365A (en) * | 2020-05-06 | 2020-07-24 | 大庆石油管理局有限公司 | Swelling-resistant nitrile rubber material and preparation method and application thereof |
| CN114426716A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Composition for preparing composite hydrogenated nitrile rubber, application of composition, composite hydrogenated nitrile rubber and preparation method of composite hydrogenated nitrile rubber |
| CN113234265A (en) * | 2021-03-29 | 2021-08-10 | 靳书艳 | Preparation method of hydrogenated nitrile rubber |
| CN114230886A (en) * | 2021-12-21 | 2022-03-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR rubber material for shaft seal and preparation method thereof |
| CN114230886B (en) * | 2021-12-21 | 2023-04-25 | 常州朗博密封科技股份有限公司 | Foaming-resistant HNBR (nitrile butadiene rubber) sizing material for shaft seal and preparation method thereof |
| CN114736441A (en) * | 2022-05-10 | 2022-07-12 | 山东道恩特种弹性体材料有限公司 | HNBR (hydrogenated nitrile butadiene rubber) rubber compound for dynamic diaphragm sealing element of oil pump |
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