CN103467795A - Preparation method of water-lubricating rubber bearing - Google Patents
Preparation method of water-lubricating rubber bearing Download PDFInfo
- Publication number
- CN103467795A CN103467795A CN2013104299272A CN201310429927A CN103467795A CN 103467795 A CN103467795 A CN 103467795A CN 2013104299272 A CN2013104299272 A CN 2013104299272A CN 201310429927 A CN201310429927 A CN 201310429927A CN 103467795 A CN103467795 A CN 103467795A
- Authority
- CN
- China
- Prior art keywords
- preparation
- rubber
- bearing
- water
- furnace black
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a water-lubricating rubber bearing which is prepared by taking NBR (nitrile butadiene rubber) as a matrix and adding a reinforcing agent, a vulcanizing agent, an accelerant, a lubricant, an anti-aging agent, a functional agent and the like by the steps of mixing and mould-pressing vulcanization forming. The test of a marine rubber bearing friction testing machine indicates that the rubber bearing has remarkably low friction coefficient and abrasion loss in seawater, shows excellent performance such as friction resistance, abrasion resistance, seawater corrosion resistance and the like, and can be widely applied to the fields such as bathyscaphes, underwater robots, submarine oil drilling, shipping, mining, water conservancy irrigation and national defense equipment, and the like.
Description
Technical field
The invention belongs to the rubber-supporting bearing technical field, be specifically related to the water lubricated rubber bearing that adopts paracril (NBR) to prepare.
Background technology
1/3 energy consumption is approximately arranged at present in the world in multi-form friction, wherein the consumption of sliding surface bearing accounts for 1/10.For a long time, bearing friction pair in marine propuision system, mainly with hardware, form, mineral oil is as lubricant medium, the strategic resources such as a large amount of mineral oil and valuable non-ferrous metal have so not only been consumed, in order to prevent oil leakage, need to be equipped with complicated tightness system and equipment, make the structure of whole transmission system very complicated, and the friction produced in mechanical transmission course, wearing and tearing, vibration, noise, poor reliability and life-span be shorter etc., and problem can not get good solution, particularly inevitably has oil leakage and the problem of contaminate environment.
The characteristics such as that glassware for drinking water has is pollution-free, wide material sources, the saving energy, safety, difficult combustion are the lubricant mediums that has development potentiality most.And rubber has good rub resistance, the wearing and tearing of wear-resistant grain, antifatigue wearing and tearing, high vibration damping, easily processes and the characteristics such as lightweight.If the advantages by water and rubber, prepare water lubricated rubber bearing, can solve in the traditional bearing use procedure the many problems that exist, meet sustainable economic development and eco-friendly requirement.
At present, many polymkeric substance are used as the friction materials under water lubricating, yet, seawater is different under fresh water, seawater has certain corrodibility, prepare the gordian technique that the water lubricated rubber bearing with seawater corrosion resistance is considered to ocean exploitation, they should have excellent wear resistance, but also must there is excellent corrosion resistance, can be widely used in the fields such as bathyscaph, underwater robot, submarine oil probing and ship, mining, water conservancy irrigation, defence equipment.
The rubber that water lubricated rubber bearing is used is mainly NBR, BTG water lubricated rubber bearing as University Of Chongqing's exploitation, take NBR as matrix, a class water lubricating dynamic sealing rubber alloy bearing that adds the preparation such as various weighting agents, Chinese invention patent, 200510057204.X, water lubricating dynamic sealing rubber alloy bearing; 200810070089.3, water lubricating rubber alloy bearing, these patents provide structural representation and design variable, show to have good performance and application prospect, but lack the correlated performance data under briny environment.
Summary of the invention
It is matrix that the present invention adopts NBR, dose strengthening agent, vulcanizing agent, promotor, lubricant, anti-aging agent etc., prepare water lubricated rubber bearing through mixing, sulfidization molding, tested especially its frictionand wear properties under fresh water and briny environment, purpose is to provide theory and experimental basis for the preparation of water lubricated rubber bearing and application.
Technical purpose of the present invention is achieved through the following technical solutions:
A kind of preparation method of water lubricated rubber bearing, make the component of following composition and mass fraction through mixing, mold pressing, sulfidization molding,
The temperature that the pressure of described mold pressing is 5～150MPa, described sulfuration is that 110～190 ℃, time are 15-120min.
The component of the preferred described composition of preparation method of the present invention and mass fraction is:
The temperature that the pressure of the preferred described mold pressing of preparation method of the present invention is 10～30MPa, described sulfuration is that 140～160 ℃, time are 20～40min.
The preferred described rubber of preparation method of the present invention is NBR, and in NBR, the content of vinyl cyanide group (CN) is 15～50% usually, and all applicable to the present invention, the present invention is preferably the NBR that CN content is 25～40%, the NBR that more preferably CN content is 25～30%.
The preferred described promotor of preparation method of the present invention is selected from N cyclohexyl 2 benzothiazole sulfenamide (CZ), N, N-bis-cyclohexyls-2-[4-morpholinodithio sulphenamide (DZ), 2-(4-morpholinyl thiol group) benzothiazole (NOBS), N tert butyl benzothiazole 2 sulfenamide (NS), 2-benzothiazolyl mercaptan (M), dibenzothiazyl disulfide (DM), tetramethylthiuram monosulfide (TMTM), TBTM tetrabutyl thiuram monosulfide (TBTS), tetramethyl-thiuram disulfide (TMTD), tetraethylthiuram disulfide (TETD), the mixture of one or more in tetrabutylthiuram disulfide (TBTD) and tetramethylthiuram tetrasulfide (TMTT).
The preferred described anti-aging agent of preparation method of the present invention is selected from the N-phenyl-a-naphthylamine, the N-Phenyl beta naphthylamine, 2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline polymer (RD and 124), acetone and pentanoic pyrocondensation thing (BLE), 2 mercapto benzimidazole (MB), 2 mercapto benzimidazole zinc salt (MBZ), N, N '-nickel diethyldithiocarbamate (NEC), N, N '-nickel dibutyl dithiocarbamate (NBC), CPPD N cyclohexyl N′ phenyl p phenylene diamine (4010), N-sec.-propyl-N '-diphenyl-para-phenylene diamine (4010NA) and N-(1, the mixture of one or more in the 3-dimethylbutyl)-N '-diphenyl-para-phenylene diamine (4020).
The preferred described lubricant of preparation method of the present invention is selected from one or both the mixture in coumarone and Stockholm tar.
The preferred described carbon black of preparation method of the present invention is selected from one or more the mixture in super abrasion furnace black, medium super abrasion furnace black, high abrasion furnace black(HAF), general purpose furnace black and semi-reinforcing furnace black.
The preferred described functional agent of preparation method of the present invention is selected from one or more the mixture in molybdenumdisulphide, graphite, tetrafluoroethylene, ultrahigh molecular weight polyethylene(UHMWPE), glass fibre, carbon fiber, calcium sulfate crystal whiskers, potassium titanate crystal whisker and magnesium hydroxide crystal whisker.
Described ultrahigh molecular weight polyethylene(UHMWPE) refers to that molecular weight is at the polyethylene more than 1,000,000.
The preferred described zinc oxide of preparation method of the present invention is particle or whisker.
Beneficial effect
1. the rubber-supporting bearing that prepared by the present invention, take NBR as matrix, by dosing various auxiliary agents, prepare water lubricated rubber bearing through mixing, molded vulcanization moulding, especially optimized the addition of functional agent, prepare and there is very low frictional coefficient and the rubber-supporting bearing of abrasion loss, verified that especially this rubber-supporting bearing also demonstrates good rub resistance, abrasion resistance in seawater;
2. the prepared rubber-supporting bearing of the present invention, overcome that metal bearing is not corrosion-resistant, responsive to solid particulate, anti-vibration and the poor shortcoming of impact property, is specially adapted to use under sea conditions, but at various fields substituted metal bearing;
3. the rubber-supporting bearing that prepared by preparation method of the present invention can be used for the fields such as mining, water conservancy irrigation, defence equipment, and, because it has good sea water corrosion resistant, also can be widely used in the fields such as bathyscaph, underwater robot, submarine oil probing and ship.
Embodiment
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
Comparative Examples 1
Do not add functional agent, promotor is N cyclohexyl 2 benzothiazole sulfenamide (CZ), anti-aging agent is 2,2,4-trimethylammonium-1,2-dihyaroquinoline polymer (RD), lubricant is coumarone, carbon black is medium super abrasion furnace black N220, and carbon black adds umber to be respectively 70,80,90,100,120 and 140, fills a prescription as follows:
Mold pressing, cure conditions: pressure 15MPa, 155 ℃ of temperature, curing time 30min, in mould, sulfidization molding prepares described rubber-supporting bearing.
Embodiment 1
Compare with Comparative Examples 1, add functional agent molybdenumdisulphide in formula, add-on is respectively 10,20,30 and 50, and the add-on of carbon black is 70, fills a prescription as follows:
Mold pressing, cure conditions are with Comparative Examples 1.
Embodiment 2
Mixture by following composition and content prepares rubber-supporting bearing, and the NBR JSR230 rubber that the CN content of wherein take is 35% replaces the NBR JSR240 that in embodiment 1, CN content is 26%, and the add-on of functional agent molybdenumdisulphide is 10, and other component is filled a prescription with embodiment 1:
Mold pressing, cure conditions are with Comparative Examples 1.
Embodiment 3
The rubber-supporting bearing of Comparative Examples 1 and embodiment 1 preparation is assembled together and forms bearing system with steel bushing respectively, carry out the test of frictional coefficient and abrasion loss on rubber-supporting bearing frictional testing machines peculiar to vessel, test condition is: rotating speed 500r/min, load 500N, time 60min, using fresh water as lubricant medium, and measurement result is in Table 1 and table 2.
Frictional coefficient and the abrasion loss result of the rubber-supporting bearing of table 1. Comparative Examples 1 preparation
Frictional coefficient and the abrasion loss of the rubber-supporting bearing of table 2. embodiment 1 preparation
Embodiment 4
Test condition is compared with embodiment 3, adopts different load capacities, measures molybdenumdisulphide add-on in embodiment 1 and be frictional coefficient and the abrasion loss of the rubber-supporting bearing of the rubber-supporting bearing for preparing and embodiment 2 preparations at 10 o'clock, the results are shown in Table 3.
Frictional coefficient and the abrasion loss of the rubber-supporting bearing of table 3. embodiment 1 and 2 preparations
Embodiment 5
Compare with embodiment 3, change into and using seawater as lubricant medium, measure molybdenumdisulphide add-on in embodiment 1 and be frictional coefficient and the abrasion loss of the rubber-supporting bearing of the rubber-supporting bearing for preparing and embodiment 2 preparations at 10 o'clock, the results are shown in Table 4.
Frictional coefficient and the abrasion loss of the rubber-supporting bearing of embodiment 1 and 2 preparations in table 4. Seawater
Embodiment 6
Using fresh water and seawater respectively as lubricant medium, adopt different rotating speeds, other test condition is with embodiment 3, measures molybdenumdisulphide add-on in embodiment 1 and be frictional coefficient and the abrasion loss of the rubber-supporting bearing of the rubber-supporting bearing for preparing and embodiment 2 preparations at 10 o'clock, the results are shown in Table 5 and table 6.
The frictional coefficient of the rubber-supporting bearing of embodiment 1 and 2 preparations under table 5. different rotating speeds and lubricant medium condition
The abrasion loss of the rubber-supporting bearing of embodiment 1 and 2 preparations under table 6. different rotating speeds and lubricant medium condition
Embodiment 7
Adopt the rubber-supporting bearing of embodiment 2 formula preparations to carry out water resistant test, measurement result is in Table 7.
Table 7. rubber-supporting bearing quality is with the variation of water soaking number of days
Experimental result:
1. from the experimental data of embodiment 3,4, can find out, the interpolation of functional agent has produced positive effect for the raising of rubber-supporting bearing performance, makes its frictional coefficient and abrasion loss obviously reduce;
2. by the experimental data of embodiment 5,6, can be found out, rubber-supporting bearing prepared by the present invention frictional coefficient and the abrasion loss in seawater is suitable in fresh water with it, and a kind of rubber-supporting bearing of seawater as the excellent property of lubricant medium of usining is provided;
3. the experimental result of Comprehensive Correlation example 1-embodiment 7, the water lubricated rubber bearing that the present invention is prepared, close with the good frictional coefficient of conventional metals bearing in oil of processing (approximately 0.05), under the experiment condition of optimizing, frictional coefficient is even lower than the latter; Water lubricated rubber bearing water resistance prepared by the present invention is good, even still have very good rub resistance and abrasion resistance properties under sea conditions, this is that metal bearing can not be compared; The conventional metals bearing is not corrosion-resistant, low to solid particulate sensitivity, anti-vibration and impact property simultaneously, and neatly profit rubber-supporting bearing can overcome these shortcomings, therefore, can replace the conventional metals bearing in various fields.
Claims (10)
1. the preparation method of a water lubricated rubber bearing, is characterized in that the component of following composition and mass fraction is made through mixing, mold pressing, sulfidization molding,
The temperature that the pressure of described mold pressing is 5～150MPa, described sulfuration is that 110～190 ℃, time are 15-120min.
2. preparation method according to claim 1 is characterized in that the component of described composition and mass fraction is:
3. preparation method according to claim 1, the temperature that the pressure that it is characterized in that described mold pressing is 10～30MPa, described sulfuration is that 140～160 ℃, time are 20～40min.
4. preparation method according to claim 1, is characterized in that described rubber is paracril, and in described paracril, the content of vinyl cyanide group is 25～40%.
5. preparation method according to claim 1, it is characterized in that described promotor is selected from N cyclohexyl 2 benzothiazole sulfenamide, N, N-bis-cyclohexyls-2-[4-morpholinodithio sulphenamide, 2-(4-morpholinyl thiol group) benzothiazole, N tert butyl benzothiazole 2 sulfenamide, the 2-benzothiazolyl mercaptan, dibenzothiazyl disulfide, tetramethylthiuram monosulfide, TBTM tetrabutyl thiuram monosulfide, tetramethyl-thiuram disulfide, tetraethylthiuram disulfide, the mixture of one or more in tetrabutylthiuram disulfide and tetramethylthiuram tetrasulfide.
6. preparation method according to claim 1, it is characterized in that described anti-aging agent is selected from the N-phenyl-a-naphthylamine, the N-Phenyl beta naphthylamine, 2, 2, 4-trimethylammonium-1, 2-dihyaroquinoline polymer, acetone and pentanoic pyrocondensation thing, 2 mercapto benzimidazole, 2 mercapto benzimidazole zinc salt, N, N '-nickel diethyldithiocarbamate, N, N '-nickel dibutyl dithiocarbamate, CPPD N cyclohexyl N′ phenyl p phenylene diamine, N-sec.-propyl-N '-diphenyl-para-phenylene diamine and N-(1, the mixture of one or more in the 3-dimethylbutyl)-N '-diphenyl-para-phenylene diamine.
7. preparation method according to claim 1, is characterized in that described lubricant is selected from a kind of in coumarone and Stockholm tar.
8. preparation method according to claim 1, is characterized in that described carbon black is selected from one or more the mixture in super abrasion furnace black, medium super abrasion furnace black, high abrasion furnace black(HAF), general purpose furnace black and semi-reinforcing furnace black.
9. preparation method according to claim 1, is characterized in that described functional agent is selected from one or more the mixture in molybdenumdisulphide, graphite, tetrafluoroethylene, ultrahigh molecular weight polyethylene(UHMWPE), glass fibre, carbon fiber, calcium sulfate crystal whiskers, potassium titanate crystal whisker and magnesium hydroxide crystal whisker.
10. preparation method according to claim 1, is characterized in that described zinc oxide is particle or whisker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104299272A CN103467795A (en) | 2013-09-18 | 2013-09-18 | Preparation method of water-lubricating rubber bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104299272A CN103467795A (en) | 2013-09-18 | 2013-09-18 | Preparation method of water-lubricating rubber bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103467795A true CN103467795A (en) | 2013-12-25 |
Family
ID=49792850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104299272A Pending CN103467795A (en) | 2013-09-18 | 2013-09-18 | Preparation method of water-lubricating rubber bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103467795A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017284A (en) * | 2014-06-13 | 2014-09-03 | 大连海事大学 | Chlorosulfonated polyethylene rubber composition and water-lubricated rubber bearing bushing prepared from chlorosulfonated polyethylene rubber composition |
| CN104231352A (en) * | 2014-10-23 | 2014-12-24 | 武汉理工大学 | Rubber and thermoplastic material blend rubber material and preparation method thereof |
| CN105646964A (en) * | 2014-12-01 | 2016-06-08 | 中国科学院兰州化学物理研究所 | Silt environment resistant long-life water-lubricated bearing composite material |
| CN106519461A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | Rubber composite material for water lubricated bearing and preparation method and use thereof |
| WO2019019639A1 (en) * | 2017-07-27 | 2019-01-31 | 江苏太平橡胶股份有限公司 | Formulation of reamer bearing strips of rubber |
| CN109337146A (en) * | 2018-09-28 | 2019-02-15 | 青岛科技大学 | A kind of water lubriucated bearing composite material and preparation method |
| CN110105696A (en) * | 2019-04-30 | 2019-08-09 | 秦家千 | A kind of preparation method of water lubriucated bearing composite rubber material |
| CN110229394A (en) * | 2019-05-27 | 2019-09-13 | 滁州君越高分子新材料有限公司 | A kind of oil-resistant high temperature-resistanrubber rubber |
| CN110527155A (en) * | 2019-08-23 | 2019-12-03 | 陕西特种橡胶制品有限公司 | A kind of nuclear power circulating pump bearing shell hard wear rubber |
| CN111777789A (en) * | 2020-06-19 | 2020-10-16 | 重庆大学 | Preparation method of ultralow-friction rubber material |
| CN113402791A (en) * | 2020-03-17 | 2021-09-17 | 中国石油化工股份有限公司 | Nitrile rubber-based vulcanized composition, vulcanized rubber, and preparation method and application thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323681A (en) * | 2008-08-04 | 2008-12-17 | 重庆大学 | Rubber alloy material and method for manufacturing drive member using the same |
| CN101334069A (en) * | 2008-08-06 | 2008-12-31 | 重庆大学 | Water lubrication rubber alloy bearing |
| CN102042330A (en) * | 2010-12-20 | 2011-05-04 | 重庆大学 | Laths combined type water-lubricated rubber alloy bearing |
| CN102660066A (en) * | 2012-05-08 | 2012-09-12 | 中国科学院长春应用化学研究所 | Ultra-high molecular weight polyethylene composite material for water lubricated bearing |
| EP2511333A1 (en) * | 2009-12-11 | 2012-10-17 | Omron Corporation | Rubber composition and uses thereof |
| CN102966700A (en) * | 2012-11-29 | 2013-03-13 | 四川大学 | Filtering drive device with high reliability and precision |
| CN102966703A (en) * | 2012-11-29 | 2013-03-13 | 四川大学 | Filtering reducer with high reliability and precision |
| CN103087371A (en) * | 2013-02-06 | 2013-05-08 | 福建省鑫橡龙橡塑制品有限公司 | Oil-resistant rubber tube for automobile |
| CN103289147A (en) * | 2013-04-26 | 2013-09-11 | 焦作市万瑞轮胎辅料有限公司 | O-shaped rubber sealing ring and production technology thereof |
-
2013
- 2013-09-18 CN CN2013104299272A patent/CN103467795A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101323681A (en) * | 2008-08-04 | 2008-12-17 | 重庆大学 | Rubber alloy material and method for manufacturing drive member using the same |
| CN101334069A (en) * | 2008-08-06 | 2008-12-31 | 重庆大学 | Water lubrication rubber alloy bearing |
| EP2511333A1 (en) * | 2009-12-11 | 2012-10-17 | Omron Corporation | Rubber composition and uses thereof |
| CN102042330A (en) * | 2010-12-20 | 2011-05-04 | 重庆大学 | Laths combined type water-lubricated rubber alloy bearing |
| CN102660066A (en) * | 2012-05-08 | 2012-09-12 | 中国科学院长春应用化学研究所 | Ultra-high molecular weight polyethylene composite material for water lubricated bearing |
| CN102966700A (en) * | 2012-11-29 | 2013-03-13 | 四川大学 | Filtering drive device with high reliability and precision |
| CN102966703A (en) * | 2012-11-29 | 2013-03-13 | 四川大学 | Filtering reducer with high reliability and precision |
| CN103087371A (en) * | 2013-02-06 | 2013-05-08 | 福建省鑫橡龙橡塑制品有限公司 | Oil-resistant rubber tube for automobile |
| CN103289147A (en) * | 2013-04-26 | 2013-09-11 | 焦作市万瑞轮胎辅料有限公司 | O-shaped rubber sealing ring and production technology thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017284A (en) * | 2014-06-13 | 2014-09-03 | 大连海事大学 | Chlorosulfonated polyethylene rubber composition and water-lubricated rubber bearing bushing prepared from chlorosulfonated polyethylene rubber composition |
| CN104017284B (en) * | 2014-06-13 | 2016-08-24 | 大连海事大学 | A kind of CSM compositions and the water lubricated rubber bearing lining of preparation thereof |
| CN104231352A (en) * | 2014-10-23 | 2014-12-24 | 武汉理工大学 | Rubber and thermoplastic material blend rubber material and preparation method thereof |
| CN105646964A (en) * | 2014-12-01 | 2016-06-08 | 中国科学院兰州化学物理研究所 | Silt environment resistant long-life water-lubricated bearing composite material |
| CN106519461A (en) * | 2016-11-10 | 2017-03-22 | 长春安旨科技有限公司 | Rubber composite material for water lubricated bearing and preparation method and use thereof |
| WO2019019639A1 (en) * | 2017-07-27 | 2019-01-31 | 江苏太平橡胶股份有限公司 | Formulation of reamer bearing strips of rubber |
| CN109337146A (en) * | 2018-09-28 | 2019-02-15 | 青岛科技大学 | A kind of water lubriucated bearing composite material and preparation method |
| CN110105696A (en) * | 2019-04-30 | 2019-08-09 | 秦家千 | A kind of preparation method of water lubriucated bearing composite rubber material |
| CN110229394A (en) * | 2019-05-27 | 2019-09-13 | 滁州君越高分子新材料有限公司 | A kind of oil-resistant high temperature-resistanrubber rubber |
| CN110527155A (en) * | 2019-08-23 | 2019-12-03 | 陕西特种橡胶制品有限公司 | A kind of nuclear power circulating pump bearing shell hard wear rubber |
| CN113402791A (en) * | 2020-03-17 | 2021-09-17 | 中国石油化工股份有限公司 | Nitrile rubber-based vulcanized composition, vulcanized rubber, and preparation method and application thereof |
| CN113402791B (en) * | 2020-03-17 | 2022-09-20 | 中国石油化工股份有限公司 | Nitrile rubber-based vulcanized composition, vulcanized rubber, and preparation method and application thereof |
| CN111777789A (en) * | 2020-06-19 | 2020-10-16 | 重庆大学 | Preparation method of ultralow-friction rubber material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103467795A (en) | Preparation method of water-lubricating rubber bearing | |
| CN101334069B (en) | Water lubrication rubber alloy bearing | |
| CN104017284B (en) | A kind of CSM compositions and the water lubricated rubber bearing lining of preparation thereof | |
| CN101649073A (en) | Rubber material with damping capacity | |
| CN104327396A (en) | Strong acid and strong alkali resisting rubber compound and preparation method thereof | |
| CN204477521U (en) | A kind of high abrasion reinforced composite pipe material | |
| US20210155779A1 (en) | Wear-Resistant Rubber Compositions, Systems, And Methods | |
| CN103642097A (en) | Preparation method of nitrile butadiene rubber for preparing seal ring of floating oil seal with high wear resistance | |
| CN102140189B (en) | Hydrogenated nitrile rubber composition capable of resisting hydrothion corrosion | |
| TWI824058B (en) | Chloroprene-unsaturated nitrile copolymer, chloroprene-unsaturated nitrile copolymer composition and vulcanized molded article | |
| CN103589025B (en) | High-temperature underwater sound transmission rubber material and preparation method thereof | |
| CN101323681B (en) | Rubber alloy material and method for manufacturing drive member using the same | |
| CN103980576B (en) | Sea water conveying pipelines corrosion protective lining chloroprene rubber plate | |
| CN107698822A (en) | A kind of abrasive rubber and its preparation method and application | |
| CN209638388U (en) | A kind of piston in combination sealing element | |
| CN104774355B (en) | Water lubricated rubber composition and water lubricated rubber bearing produced from water lubricated rubber composition | |
| CN203215105U (en) | Novel flexible pipe | |
| Li et al. | Effects of fibre content and orientation on wear properties of basalt fibre/acrylonitrile–butadiene rubber composites | |
| CN209399741U (en) | A kind of kiln end sealing device that thermal losses is low | |
| CN104194238A (en) | PVC plastic pipe fitting | |
| CN216183407U (en) | Large-scale desulfurization stirring rake lining rubber with anticorrosion structure | |
| KR102587303B1 (en) | Abrasion-resistant rubber compositions, systems, and methods | |
| CN103254478B (en) | High strength-high friction composite material for deep water pipelaying tensioner friction block and preparation method thereof | |
| CN103542209A (en) | Ocean transporting floating flexible joint and preparation thereof | |
| KR101717627B1 (en) | Composition for bonded piston seal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131225 |