CN102408660A - Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof - Google Patents
Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof Download PDFInfo
- Publication number
- CN102408660A CN102408660A CN2011102858742A CN201110285874A CN102408660A CN 102408660 A CN102408660 A CN 102408660A CN 2011102858742 A CN2011102858742 A CN 2011102858742A CN 201110285874 A CN201110285874 A CN 201110285874A CN 102408660 A CN102408660 A CN 102408660A
- Authority
- CN
- China
- Prior art keywords
- mixing
- parts
- add
- ptfe
- rolled
- 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.)
- Granted
Links
Landscapes
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a reciprocating motion sealing ring material for high-pressure cylinder and a production method thereof; the method comprises the following steps: firstly controlling the roller temperature and roller spacing of a rubber refining machine, rolling acrylonitrile-butadiene rubber till no mesh exists; adding maleic anhydride methacrylate, uniformly mixing; adding 60% PTFE polytetrafluoroethylene emulsion for several times, rolling till the rubber sheet surface is smooth; rolling the mixed materials by the rubber refining machine till no mesh exists on the surfaces, discharging the material sheet; performing heat preservation and cooling of the material sheet to prepare a premixed grafted rubber; adding zinc oxide; adding stearic acid; adding TAIC triallyl isocyanurate and a carbon black dispersing agent HQ, mixing, adding a reinforcing agent, and DCP dicumyl peroxide; after mixing, batching and rolling up, discharging from the roller; controlling the roller temperature and roller spacing, after mixing, packaging in a triangular bag, milling, rolling the mixed materials till no mesh exists discharging the material sheet, cooling the rubber sheet to room temperature to obtain the sealing ring material. The invention can increase the using temperature of the material, increase the self lubricity of PTFE, and reduce the frictional force of the product in use; the product has long service life, and does not have phenomena of embrittlement and hardening.
Description
Technical field
The present invention relates to a kind of working method of sealing ring material, specifically high-voltage oil cylinder uses reciprocating movement sealing loop material and working method thereof, belongs to the rubber item technical field.
Background technology
In prior art, the reciprocating movement sealing circle material of main part that on high-voltage oil cylinder, uses mainly contains two kinds of urethanes and pure nitrile rubbers.Because the characteristic of macromolecular material itself, above-mentioned two kinds of materials exist following not enough:
Urethanes: 1, ester class group is arranged, thereby be easy to generate hydrolysis, make product hydrolysis aging, lose the performance of itself owing in the molecular chain; 2, non-refractory, urethanes maximum operation (service) temperature are 80 ℃, and with the raising of temperature, hydrolysis that can accelerated material; 3, because the polymer segment rigidity is big, and elastic properties of materials is poor, and compression set is big, thereby have only the product of increase shrink range just can guarantee sealing property, thereby make product assembling difficulty; 4, work-ing life short, generally use 1 year after, embrittlement and hardened phenomenon can appear in product.
Pure nitrile rubber: 1, because polymer segment is soft segment, thereby product hardness is lower, general Shao Shi 83-86 degree, and high voltage performance is relatively poor; 2, for improving the hardness of butadiene acrylonitrile rubber, need a large amount of packing strengthening agents, weighting agent, thereby the rubber unvulcanizate gum content is descended, cause the product poor flexibility; 3, product in use is prone to band oil.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of novel material and compound method thereof that is the main body with butadiene acrylonitrile rubber and the grafting of PTFE (tetrafluoroethylene) physics is provided; The sealing loop material can improve the use temperature of material; The self lubricity of PTFE reduces product frictional force in use; Embrittlement and hardened phenomenon can not appear in long service life.
According to technical scheme provided by the invention, high-voltage oil cylinder uses the reciprocating movement sealing loop material, comprises following component, and its formula rate is counted by weight:
Nitrile rubber 75-85 part; 60%PTFE ptfe emulsion: 30-40 part; Zinc oxide: 4-6 part; Triple Pressed Stearic Acid: 1-2 part; Anti-aging agent RD: 1-2 part; Maleic anhydride methacrylate 4-6 part; Carbon black disperser HQ:1-2 part; Strengthening agent: 50-60 part; DCP Di Cumyl Peroxide 99: 2-3 part; TAIC cyanacrylate 1.5-2.5 part;
Roller temperature, the roll spacing of control opening rubber mixing machine are rolled to no mesh with nitrile rubber; It is mixing evenly to add maleic anhydride methacrylate and anti-aging agent RD; Divide several times to add the 60%PTFE ptfe emulsion and be rolled to the film smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean, goes out tablet; Tablet makes the premix Graft Adhesive through insulation, cooling; Add zinc oxide; Triple Pressed Stearic Acid; After TAIC cyanacrylate and carbon black disperser HQ are mixing, add strengthening agent, the DCP Di Cumyl Peroxide 99; Operate on clot after mixing, lower roll; Roller temperature, the roll spacing of control rubber mixing machine, mixing after, play the triangle bag, approach to lead to, the dancer rools distance, mixing material is rolled to no mesh, goes out film, it is sealing ring material that film is cooled to room temperature.
Said strengthening agent is high wear-resistant carbon black N330, high structure semi-reinforcing hydrocarbon black N774, spray carbon black, extrudes the mixing thing of two or three among the carbon black N550 soon;
High-voltage oil cylinder of the present invention uses the working method of reciprocating movement sealing loop material, and adopt following production stage: its component ratio is counted by weight:
1, the roller temperature with 16 inches opening rubber mixing machines is heated to 80-100 ℃, roll spacing 3-5mm; Add nitrile rubber: 75-85 part; Be rolled to no mesh;
2, in the sizing material of step (1), add the maleic anhydride methacrylate: 4-6 part and anti-aging agent RD: 1-2 part, mixing even;
3, in the mixing material of step (2), slowly divide adding 60%PTFE ptfe emulsion 8-10 time: 30-40 part; Keep 80-100 ℃ of roller temperature, roll spacing 3-5mm; Thick roller 10-15 minute, to mixing material smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion was clean; About operate on clot 2-3 time, make mixing material mixing evenly;
4, keep 80-100 ℃ of mill roller temperature, roll spacing is adjusted to 3-4mm, adds the mixing material of step (3), with opening rubber mixing machine mixing material is rolled to the no mesh in surface, goes out tablet, is placed on the flat bed transport vehicle;
5, the tablet that step (4) is gone out is transported to flat bed transport vehicle on 50-70 ℃ the drying room bin, is incubated 3-5 hour, naturally cools to normal temperature, makes the premix Graft Adhesive;
6, the roller temperature with 16 inches opening rubber mixing machines is adjusted to 40-50 ℃, and roll spacing is adjusted to 3-5mm, drops into the premix Graft Adhesive, is rolled to no mesh, adds zinc oxide: 4-6 part; Triple Pressed Stearic Acid: 1-2 part; TAIC cyanacrylate: 1.5-2.5 part and carbon black disperser HQ:1-2 part; Mixing 1-2 minute, add strengthening agent: 50-60 part is mixing evenly;
7, in the mixing material of step (6), add the DCP Di Cumyl Peroxide 99: 2-3 part; Operate on clot 2-3 time about mixing back, lower roll drops in the charging tray mixing material;
8, the roller temperature of control rubber mixing machine below the roll spacing 1mm, adds the mixing material of step (7) below 55 ℃, plays the triangle bag 2-3 time; Thin logical 2-3 time, dancer rools is apart from 5-8mm, and mixing material is rolled to no mesh, goes out film; Film is placed on the pond is cooled to room temperature, take out, be deposited on the bin, for use.
Nitrile rubber described in the present invention: Japanese JSR N230S, the fine content 35% of propylene, mooney viscosity ML
1+4100 ℃ 56.
The tetrafluoroethylene of PTFE described in the present invention: Shanghai branch office of Daikin fluorine chemical (China) ltd produces, model D210, PTFE content 60%.
Zinc oxide described in the present invention: vulcanization leveller, Zibo sea Hue worker ltd produces zinc oxide content 99.9%, density 5.606.
The HQ of carbon black disperser described in the present invention: Shanghai is prone to Dehua worker ltd and produces, and behind the adding carbon black disperser HQ, can improve carbon black dispersion, shortens the sizing material mixing time, cuts down the consumption of energy, and can improve sizing material roll banding property, improves product surface smooth finish.
The methacrylate of maleic anhydride described in the present invention: Cray Willie (Guangzhou) chemical industry ltd produces, and maleic anhydride content 10% through the sequestering action of a plurality of functional groups on the maleic anhydride methacrylate, plays physics grafting effect.
The cyanacrylate of TAIC described in the present invention: the Huangyan East Sea, Taizhou city chemical industry ltd produces, and the co-cure agent can improve the cross-linking density of sizing material, effectively reduces sizing material compression set.
The Di Cumyl Peroxide 99 of DCP described in the present invention: additives for plastics Co., Ltd., Factory in granary produces, vulcanizer.
Compared with present technology the present invention has the following advantages:
The present invention is novel material and the compound method thereof that is the main body with butadiene acrylonitrile rubber and the grafting of PTFE (tetrafluoroethylene) physics; On flexible butadiene acrylonitrile rubber chain, introduce the PTFE side chain, the rigid chain segment of PTFE makes material that high hardness, elasticity and lower compression set arranged under the situation of higher gum content; The high thermal resistance of PTFE has improved the use temperature of material; The self lubricity of PTFE has reduced product frictional force in use; Embrittlement and hardened phenomenon can not appear in long service life.
Embodiment
Following the present invention will combine embodiment to further describe:
Embodiment one: high-voltage oil cylinder of the present invention uses the working method of reciprocating movement sealing loop material, and adopt following production stage: its formula rate is counted by weight:
1, the roller temperature with opening rubber mixing machine is heated to 90 ℃, roll spacing 4mm; Drop into nitrile rubber: 80 parts; Sizing material is rolled to no mesh;
2, the sizing material in step (1) adds 5 parts of maleic anhydride methacrylates and anti-aging agent RD: 1.5 parts mixing even;
3, in the mixing material of step (2), slowly divide adding 60%PTFE ptfe emulsion 8-10 time: 35 parts; Keep 90 ℃ of roller temperature, roll spacing 4mm; Thick roller 12 minutes, to mixing material smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean; About operate on clot 2-3 time, make mixing material mixing evenly;
4, keep 90 ℃ of mill roller temperature, roll spacing is adjusted to 3.5mm, drops into the mixing material of step (3), is rolled to surperficial no mesh with the rubber roll of opening rubber mixing machine, and slice is placed on the flat bed transport vehicle;
5, the tablet that step (4) is gone out is transported to flat bed transport vehicle on 60 ℃ the drying room bin, is incubated 4 hours, naturally cools to normal temperature, makes the premix Graft Adhesive;
6, the roller temperature with opening rubber mixing machine is adjusted to 45 ℃, and roll spacing is adjusted to 4mm, drops into the premix Graft Adhesive, is rolled to no mesh, adds zinc oxide: 5 parts; Triple Pressed Stearic Acid: 1.5 parts; 2 parts of TAIC cyanacrylates and carbon black disperser HQ:1.5 part; Mixing 1.5 minutes, the adding strengthening agent was mixing evenly, and said strengthening agent is high wear-resistant carbon black N33040 part; High structure semi-reinforcing hydrocarbon black N77415 part; To fall into the mixing material of mill charging tray repeatedly and clear away, pour in the sizing material, redrop until no mixing material;
7, in the mixing material of step (6), add the DCP Di Cumyl Peroxide 99: 2.5 parts; Sneak into about the back and operate on clot 2-3 time, lower roll drops in the charging tray mixing material;
8, the roller temperature of control rubber mixing machine below the roll spacing 1mm, drops into the mixing material of step (7) below 55 ℃, plays the triangle bag 2-3 time; Thin logical 2-3 time, dancer rools is apart from 6.5mm, and mixing material is rolled to no mesh, goes out film; Film is placed on the pond is cooled to room temperature, take out, be deposited on the bin, for use.
Embodiment two: high-voltage oil cylinder of the present invention uses the working method of reciprocating movement sealing loop material, and adopt following production stage: its formula rate is counted by weight:
1, the roller temperature with 16 inches opening rubber mixing machines is heated to 80 ℃, roll spacing 3mm; Drop into nitrile rubber: 75 parts; Be rolled to no mesh;
2, add the maleic anhydride methacrylate: 4 parts and anti-aging agent RD: 1 part, mixing even;
3, in the mixing material of step (2), slowly divide adding 60%PTFE ptfe emulsion 8-10 time: 30 parts; Keep 80 ℃ of roller temperature, roll spacing 3mm; Thick roller 10 minutes, to mixing material smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean; About operate on clot 2-3 time, make mixing material mixing evenly;
4, keep 80 ℃ of mill roller temperature, roll spacing is adjusted to 3mm, drops into the mixing material of step (3), and mixing material is rolled to the no mesh in surface, goes out tablet, is placed on the flat bed transport vehicle;
5, the tablet that step (4) is gone out is transported to flat bed transport vehicle on 50 ℃ the drying room bin, is incubated 3 hours, naturally cools to normal temperature, makes the premix Graft Adhesive;
6, the roller temperature with 16 inches opening rubber mixing machines is adjusted to 40 ℃, and roll spacing is adjusted to 3mm, drops into the premix Graft Adhesive, is rolled to no mesh, adds zinc oxide: 4 parts; Triple Pressed Stearic Acid: 1 part; TAIC cyanacrylate: 1.5 parts and carbon black disperser HQ:1 part; Mixing 1 minute, add strengthening agent: said strengthening agent was high wear-resistant carbon black N33040 part; High structure semi-reinforcing hydrocarbon black N77410 part; To fall into the mixing material of mill charging tray repeatedly and clear away, pour in the sizing material, redrop until no mixing material;
7, in the mixing material of step (6), add the DCP Di Cumyl Peroxide 99: 2 parts; Sneak into about the back and operate on clot 2-3 time, lower roll drops in the charging tray mixing material;
8, the roller temperature of control rubber mixing machine below the roll spacing 1mm, drops into the mixing material of step (7) below 55 ℃, plays the triangle bag 2-3 time; Thin logical 2-3 time, dancer rools is apart from 5mm, and mixing material is rolled to no mesh, goes out film; Film is placed on the pond is cooled to room temperature, take out, be deposited on the bin, for use.
Embodiment three: high-voltage oil cylinder of the present invention uses the working method of reciprocating movement sealing loop material, and adopt following production stage: its formula rate is counted by weight:
1, the roller temperature with 16 inches opening rubber mixing machines is heated to 100 ℃, roll spacing 5mm; Drop into nitrile rubber: 85 parts; Be rolled to no mesh;
2, add the maleic anhydride methacrylate: 6 parts and anti-aging agent RD: 2 parts, mixing even;
3, in the mixing material of step (2), slowly divide adding 60%PTFE ptfe emulsion 8-10 time: 30-40 part; Keep 100 ℃ of roller temperature, roll spacing 5mm; Thick roller 15 minutes, to mixing material smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean; About operate on clot 2-3 time, make mixing material mixing evenly;
4, keep 100 ℃ of mill roller temperature, roll spacing is adjusted to 4mm, drops into the mixing material of step (3), is rolled to the no mesh in surface, goes out tablet, is placed on the flat bed transport vehicle;
5, the tablet that step (4) is gone out is transported to flat bed transport vehicle on 70 ℃ the drying room bin, is incubated 5 hours, naturally cools to normal temperature, makes the premix Graft Adhesive;
6, the roller temperature with 16 inches opening rubber mixing machines is adjusted to 50 ℃, and roll spacing is adjusted to 5mm, drops into the premix Graft Adhesive, is rolled to no mesh, adds zinc oxide: 6 parts; Triple Pressed Stearic Acid: 2 parts; TAIC cyanacrylate: 2.5 parts and carbon black disperser HQ:2 part; Mixing 2 minutes, add strengthening agent, said strengthening agent is high wear-resistant carbon black N330:40 part; High structure semi-reinforcing hydrocarbon black N774:20 part; To fall into the mixing material of mill charging tray repeatedly and clear away, pour in the sizing material, redrop until no mixing material;
7, in the mixing material of step (6), add the DCP Di Cumyl Peroxide 99: 3 parts; Sneak into about the back and operate on clot 2-3 time, lower roll drops in the charging tray mixing material;
8, the roller temperature of control rubber mixing machine below the roll spacing 1mm, drops into the mixing material of step (7) below 55 ℃, plays the triangle bag 2-3 time; Thin logical 2-3 time, dancer rools is apart from 8mm, and mixing material is rolled to no mesh, goes out film; Film is placed on the pond is cooled to room temperature, take out, be deposited on the bin, for use.Vulcanizating glue physical performance of the present invention such as following table:
Claims (3)
1. a high-voltage oil cylinder uses the reciprocating movement sealing loop material, and it is characterized in that: comprise following component, its formula rate is counted by weight:
75-85 parts of nitrile rubbers; 60%PTFE ptfe emulsion: 30-40 parts; Zinc oxide: 4-6 parts; Triple Pressed Stearic Acid: 1-2 parts; Anti-aging agent RD: 1-2 parts; 4-6 parts of maleic anhydride methacrylates; Carbon black disperser HQ:1-2 part; Strengthening agent: 50-60 parts; DCP Di Cumyl Peroxide 99: 2-3 parts; 1.5-2.5 parts of TAIC cyanacrylates;
Roller temperature, the roll spacing of control opening rubber mixing machine are rolled to no mesh with nitrile rubber earlier; It is mixing evenly to add maleic anhydride methacrylate and anti-aging agent RD; Divide several times to add the 60%PTFE ptfe emulsion and be rolled to the film smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean, goes out tablet; Tablet makes the premix Graft Adhesive through insulation, cooling; Add zinc oxide; Triple Pressed Stearic Acid; After TAIC cyanacrylate and carbon black disperser HQ are mixing, add strengthening agent, the DCP Di Cumyl Peroxide 99; Operate on clot after mixing, lower roll; Roller temperature, the roll spacing of control rubber mixing machine, mixing after, play the triangle bag, approach to lead to, the dancer rools distance, sizing material is rolled to no mesh, goes out film, it is sealing ring material that film is cooled to room temperature.
2. high-voltage oil cylinder as claimed in claim 1 uses the reciprocating movement sealing loop material, it is characterized in that:
Said strengthening agent is high wear-resistant carbon black N330, high structure semi-reinforcing hydrocarbon black N774, spray carbon black, extrudes the mixing thing of two or three among the carbon black N550 soon.
3. a high-voltage oil cylinder uses the working method of reciprocating movement sealing loop material, and it is characterized in that: adopt following process step: its component ratio is counted by weight:
(1), the roller temperature with opening rubber mixing machine is heated to 80-100 ℃, roll spacing 3-5mm; Add nitrile rubber: 75-85 parts; Be rolled to no mesh sizing material;
(2), in the sizing material of step (1), add the maleic anhydride methacrylate: 4-6 parts and anti-aging agent RD: 1-2 parts, mixing even;
(3), in the mixing material of step (2), divide 8-10 times and add the 60%PTFE ptfe emulsion: 30-40 parts; 80-100 ℃ of the roller temperature, the roll spacing 3-5mm that keep opening rubber mixing machine; Thick roller 10-15 minutes; To mixing material smooth surface, the water evaporation that is about in the 60%PTFE ptfe emulsion is clean, about operate on clot 2-3 times;
(4), keep 80-100 ℃ of the roller temperature of opening rubber mixing machine, roll spacing is adjusted to 3-4mm, adds the mixing material of step (3), with opening rubber mixing machine mixing material is rolled to surperficial no mesh, goes out tablet, is placed on the flat bed transport vehicle;
(5), tablet that step (4) is gone out, be transported to flat bed transport vehicle on 50-70 ℃ the drying room bin, be incubated 3-5 hours, naturally cool to normal temperature, make the premix Graft Adhesive;
(6), the roller temperature of opening rubber mixing machine is adjusted to 40-50 ℃, roll spacing is adjusted to 3-5mm, drops into the premix Graft Adhesive, is rolled to no mesh, adds zinc oxide: 4-6 parts; Triple Pressed Stearic Acid: 1-2 parts; TAIC cyanacrylate: 1.5-2.5 parts and carbon black disperser HQ:1-2 part; Mixing 1-2 minutes, add strengthening agent: 50-60 parts mixing even;
(7), in the mixing material of step (6), add the DCP Di Cumyl Peroxide 99: 2-3 parts; Operate on clot 2-3 times about mixing back, lower roll drops in the charging tray mixing material;
(8), the roller temperature of control opening rubber mixing machine is below 55 ℃, below the roll spacing 1mm, adds the mixing material of step (7); Play the triangle bag 2-3 times, thin logical 2-3 times, dancer rools is apart from 5-8mm; Mixing material is rolled to no mesh, goes out film, film is placed on the pond is cooled to room temperature; Take out, be deposited on the bin, for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110285874 CN102408660B (en) | 2011-09-23 | 2011-09-23 | Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110285874 CN102408660B (en) | 2011-09-23 | 2011-09-23 | Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102408660A true CN102408660A (en) | 2012-04-11 |
| CN102408660B CN102408660B (en) | 2013-03-13 |
Family
ID=45911034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110285874 Expired - Fee Related CN102408660B (en) | 2011-09-23 | 2011-09-23 | Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102408660B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183852A (en) * | 2013-04-22 | 2013-07-03 | 安徽库伯油封有限公司 | Rubber component material of high-pressure oil seal for hydraulic motor and manufacturing process thereof |
| CN103483639A (en) * | 2013-06-20 | 2014-01-01 | 安徽春辉仪表线缆集团有限公司 | Reciprocating motion sealing ring for high pressure oil cylinders |
| CN105254949A (en) * | 2013-11-01 | 2016-01-20 | 国网河南省电力公司漯河供电公司 | Anti-pressure wear-resistant corrosion-resistant transformer sealing ring |
| CN107459660A (en) * | 2017-09-18 | 2017-12-12 | 江苏卡欧化工股份有限公司 | A kind of high-performance environment-friendly rubber disperse agent |
| CN108485003A (en) * | 2018-02-12 | 2018-09-04 | 中国北方车辆研究所 | A kind of high pressure of multiple leak oil is hinged sealing mechanism |
| CN113440290A (en) * | 2021-07-09 | 2021-09-28 | 上海驻净电子科技有限公司 | Gland sealing piece for tooth flushing device and manufacturing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4070006B2 (en) * | 2002-05-14 | 2008-04-02 | 株式会社クラベ | Fluorine-containing elastomer composition |
-
2011
- 2011-09-23 CN CN 201110285874 patent/CN102408660B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4070006B2 (en) * | 2002-05-14 | 2008-04-02 | 株式会社クラベ | Fluorine-containing elastomer composition |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103183852A (en) * | 2013-04-22 | 2013-07-03 | 安徽库伯油封有限公司 | Rubber component material of high-pressure oil seal for hydraulic motor and manufacturing process thereof |
| CN103183852B (en) * | 2013-04-22 | 2015-04-08 | 安徽库伯密封技术有限公司 | Rubber component material of high-pressure oil seal for hydraulic motor and manufacturing process thereof |
| CN103483639A (en) * | 2013-06-20 | 2014-01-01 | 安徽春辉仪表线缆集团有限公司 | Reciprocating motion sealing ring for high pressure oil cylinders |
| CN105254949A (en) * | 2013-11-01 | 2016-01-20 | 国网河南省电力公司漯河供电公司 | Anti-pressure wear-resistant corrosion-resistant transformer sealing ring |
| CN107459660A (en) * | 2017-09-18 | 2017-12-12 | 江苏卡欧化工股份有限公司 | A kind of high-performance environment-friendly rubber disperse agent |
| CN108485003A (en) * | 2018-02-12 | 2018-09-04 | 中国北方车辆研究所 | A kind of high pressure of multiple leak oil is hinged sealing mechanism |
| CN113440290A (en) * | 2021-07-09 | 2021-09-28 | 上海驻净电子科技有限公司 | Gland sealing piece for tooth flushing device and manufacturing method thereof |
| CN113440290B (en) * | 2021-07-09 | 2023-02-03 | 上海驻净电子科技有限公司 | Gland sealing piece for tooth flushing device and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102408660B (en) | 2013-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102408660B (en) | Reciprocating motion sealing ring material for high-pressure cylinder and production method thereof | |
| CN102108143B (en) | Method for preparing hydrogenated nitrile rubber and chloroprene rubber blended vulcanized rubber | |
| CN102924772B (en) | Rubber composition used for anti-fire shoes and manufacturing method thereof | |
| CN102796294B (en) | Preparation method of calcium carbonate modified butylbenzene/natural rubber composite material | |
| CN101481469B (en) | Rubber anti-recovery agent and preparation thereof | |
| CN101704977B (en) | Polyvinyl chloride/sulfonated cis-butadiene rubber and preparation method thereof | |
| CN102964640B (en) | Special rubber welt for rubber double-density shoes and preparation method thereof | |
| CN105175831A (en) | Closed-cell two-step foamed material prepared from styrene butadiene rubber, natural rubber, butadiene rubber and high styrene resin, and preparation method of closed-cell two-step foamed material | |
| CN105330906B (en) | A kind of impact resistance tear-proof steel cable core conveying belt rubber cover and preparation method | |
| CN110724321A (en) | Graphene-based wear-resistant stator rubber composite material and preparation method thereof | |
| CN105377975A (en) | Rubber composition and vulcanized molded body of same | |
| CN102020793B (en) | Heat-preservation folding-resistance vamp material and preparation method thereof | |
| CN104031298B (en) | A kind of tire flame retardant rubber and its preparation method and application | |
| CN103421129B (en) | A kind of liquid phase production technique of natural rubber | |
| CN112724539A (en) | Comprehensive accelerator masterbatch particle for molded vulcanized rubber products and preparation thereof | |
| CN107417991A (en) | A kind of antistatic rubber and preparation method thereof | |
| CN110746705A (en) | Flame-retardant ozone-resistant lower cover rubber, preparation method and tubular conveying belt | |
| CN107189189B (en) | High-gloss barium and talcum powder blended modified EVA (ethylene-vinyl acetate) foaming material and preparation thereof | |
| CN107868298A (en) | A kind of fabric solid-woven tear-proof rubber cover used for conveyer belt and its preparation method by extrusion molding thereof | |
| CN104736622A (en) | Purging agent for processing polymer | |
| CN107118409B (en) | A kind of nitrile rubber and preparation method thereof | |
| CN113583305A (en) | Melting and chemical modification combine harvester crawler material and preparation method thereof | |
| CN106589498A (en) | EPDM and SBR roller modified sealing material and preparation method thereof | |
| CN106905576A (en) | A kind of cold-resistant drive belt primer and preparation method thereof | |
| CN110878164A (en) | PVC floor film with scratch self-repairing function and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20170923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |