CN103044734A - High-strength rubber sealing piece applied to logging instrument - Google Patents
High-strength rubber sealing piece applied to logging instrument Download PDFInfo
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- CN103044734A CN103044734A CN 201210503135 CN201210503135A CN103044734A CN 103044734 A CN103044734 A CN 103044734A CN 201210503135 CN201210503135 CN 201210503135 CN 201210503135 A CN201210503135 A CN 201210503135A CN 103044734 A CN103044734 A CN 103044734A
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Abstract
The invention discloses a high-strength rubber sealing piece applied to logging instruments. The high-strength rubber sealing piece at least comprises chemigum and hydrogenated butadiene-acrylonitrile rubber is characterized by further comprising sulfur, zinc oxide, stearic acid, spraying carbon black, o-dibutyl ester softener, accelerant TT and an anti-aging agent D, and specifically comprises the following ingredients by weight percent: 30-50 parts of chemigum, 70-100 parts of hydrogenated butadiene-acrylonitrile rubber, 0.3-0.6 parts of sulfur, 4-6 parts of zinc oxide, 1-3 parts of stearic acid, 20-40 parts of spraying carbon black, 10-12 parts of o-dibutyl ester softener, 1-2 parts of accelerant TT and 2-4 parts of anti-aging agent D. By changing the rubber ingredient proportion and carrying out vulcanization additionally, a three-dimensional structure is formed, and the tensile failure strength of rubber sealed parts is improved.
Description
Technical field
The present invention relates to rubber materials, particularly a kind of oil well logging instrument high-strength rubber sealing member.
Background technology
The used rubber seal of oil well logging instrument will bear high temperature in the down-hole, also to bear simultaneously hydrogen sulfide to the erosion of rubber seal, existing oil well logging instrument has good anti-patience with rubber seal to high temperature, hydrogen sulfide erosion, but the oil well logging instrument assembling pressure is very large in the time of owing to assembling, a lot of rubber seals break under larger pressure, cause and can't use.
Summary of the invention
The purpose of this invention is to provide a kind of high-strength rubber sealing member of oil well logging instrument with higher tensile break strength, delay seal durability.
The technical scheme that the present invention solves its technical problem employing is: oil well logging instrument high-strength rubber sealing member, which comprises at least paracril and hydrogenated nitrile-butadiene rubber, it is characterized in that: further comprising sulphur, zinc oxide, stearic acid, spray carbon black, adjacent dibutylester tenderizer, promotor TT, antioxidant D; The content of specific components in weight percent as follows:
Paracril: 30～50 parts; Hydrogenated nitrile-butadiene rubber: 70～100 parts; Sulphur: 0.3～0.6 part; Zinc oxide: 4～6 parts; Stearic acid: 1～3 part; Spray carbon black: 20～40 parts; Adjacent dibutylester tenderizer: 10～12 parts; Promotor TT:1～2 part; Antioxidant D: 2～4 parts.
Described paracril: 30 parts; Hydrogenated nitrile-butadiene rubber: 70 parts; Sulphur: 0.3 part; Zinc oxide: 4 parts; Stearic acid: 1 part; Spray carbon black: 20 parts; Adjacent dibutylester tenderizer: 10 parts; Promotor TT:1 part; Antioxidant D: 2 parts.
Described paracril: 40 parts; Hydrogenated nitrile-butadiene rubber: 85 parts; Sulphur: 0.45 part; Zinc oxide: 5 parts; Stearic acid: 2 parts; Spray carbon black: 30 parts; Adjacent dibutylester tenderizer: 11 parts; Promotor TT:1.5 part; Antioxidant D: 3 parts.
Described paracril: 50 parts; Hydrogenated nitrile-butadiene rubber: 100 parts; Sulphur: 0.6 part; Zinc oxide: 6 parts; Stearic acid: 3 parts; Spray carbon black: 40 parts; Adjacent dibutylester tenderizer: 12 parts; Promotor TT:2 part; Antioxidant D: 4 parts.
Described oil well logging instrument comprises and step with the production method of high-strength rubber sealing member:
(a) 30～50 parts of paracrils and 70～100 parts of hydrogenated nitrile-butadiene rubbers are added to respectively on the rubber mixing machine, rubber mixing machine roll spacing 4mm adds 0.3～0.6 part of sulphur, 4～6 parts of zinc oxide, 1～3 part of stearic acid, 2～4 parts of antioxidant Ds successively after mixing 2 minutes mixing evenly;
(b) roll spacing is transferred to 5mm and is added 1～2 part of promotor TT, 20～40 parts of spray carbon blacks and 10～12 parts of adjacent dibutylester tenderizers and mix;
(c) the rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
(d) mixing even sizing material room temperature park 24 hours stand-by;
(e) park on the sizing material after 24 hours rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewind 2 times;
(f) sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
(g) opening mold after sulfuration is finished takes out product.
The invention has the beneficial effects as follows: this oil well logging instrument passes through to change the rubber constituent proportioning with the high-strength rubber sealing member, form three-dimensional structure after increasing sulfuration, improve the tensile break strength of rubber seal parts, avoid instrument with rubber seal because of the sealing leak that assembling pressure breaks and causes greatly, delay seal durability.
Embodiment
Oil well logging instrument high-strength rubber sealing member which comprises at least paracril and hydrogenated nitrile-butadiene rubber, it is characterized in that: further comprising sulphur, zinc oxide, stearic acid, spray carbon black, adjacent dibutylester tenderizer, promotor TT, antioxidant D; The content of specific components in weight percent as follows:
Paracril: 30～50 parts; Hydrogenated nitrile-butadiene rubber: 70～100 parts; Sulphur: 0.3～0.6 part; Zinc oxide: 4～6 parts; Stearic acid: 1～3 part; Spray carbon black: 20～40 parts; Adjacent dibutylester tenderizer: 10～12 parts; Promotor TT:1～2 part; Antioxidant D: 2～4 parts.
Wherein paracril is 40 type paracrils; Hydrogenated nitrile-butadiene rubber is 36 type hydrogenated nitrile-butadiene rubbers; The Chinese name of promotor TT is: tetramethyl-thiuram disulfide, and molecular formula is: C6H12N2S4; The Chinese name of antioxidant D is: the N-phenyl-2-naphthylamine, and molecular formula is: C16H13N;
Embodiment 1
The oil well logging instrument of the present embodiment the content of specific components in weight percent as follows with the high-strength rubber sealing member:
Paracril: 30 grams; Hydrogenated nitrile-butadiene rubber: 70 grams; Sulphur: 0.3 gram; Zinc oxide: 4 grams; Stearic acid: 1 gram; Spray carbon black: 20 grams; Adjacent dibutylester tenderizer: 10 grams; Promotor TT:1 gram; Antioxidant D: 2 grams.
This oil well logging instrument comprises and step with the production method of high-strength rubber sealing member:
(a) 30～50 gram paracrils and 70～100 gram hydrogenated nitrile-butadiene rubbers are added to respectively on the rubber mixing machine, rubber mixing machine roll spacing 4mm adds 0.3～0.6 gram sulphur, 4～6 gram zinc oxide, 1～3 gram stearic acid, 2～4 gram antioxidant Ds successively after mixing 2 minutes mixing evenly;
(b) 5mm adding 1～2 gram promotor TT is transferred in roll spacing, 20～40 gram spray carbon blacks and 10～12 restrain adjacent dibutylester tenderizer and mix;
(c) the rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
(d) mixing even sizing material room temperature park 24 hours stand-by;
(e) park on the sizing material after 24 hours rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewind 2 times;
(f) sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
(g) opening mold after sulfuration is finished takes out product.
Embodiment 2
The production process of the present embodiment is substantially the same manner as Example 1, difference is that oil well logging instrument is different with the component ratio of high-strength rubber sealing member, and embodiment 2 oil well logging instruments the content of specific components in weight percent as follows with the high-strength rubber sealing member:
Paracril: 40 grams; Hydrogenated nitrile-butadiene rubber: 85 grams; Sulphur: 0.45 gram; Zinc oxide: 5 grams; Stearic acid: 2 grams; Spray carbon black: 30 grams; Adjacent dibutylester tenderizer: 11 grams; Promotor TT:1.5 gram; Antioxidant D: 3 grams.
Embodiment 3
The production process of the present embodiment is substantially the same manner as Example 1, difference is that oil well logging instrument is different with the component ratio of high-strength rubber sealing member, and embodiment 3 oil well logging instruments the content of specific components in weight percent as follows with the high-strength rubber sealing member:
Paracril: 50 grams; Hydrogenated nitrile-butadiene rubber: 100 grams; Sulphur: 0.6 gram; Zinc oxide: 6 grams; Stearic acid: 3 grams; Spray carbon black: 40 grams; Adjacent dibutylester tenderizer: 12 grams; Promotor TT:2 gram; Antioxidant D: 4 grams.
The unit of each component is not confined to the gram among the embodiment, as long as mutual ratio is consistent, the units such as kilogram, kilogram, jin all can.
Three kinds of embodiment scheme performance comparison:
Embodiment 2 described schemes and the contrast of existing market product:
Claims (5)
1. oil well logging instrument high-strength rubber sealing member which comprises at least paracril and hydrogenated nitrile-butadiene rubber, it is characterized in that: further comprising sulphur, zinc oxide, stearic acid, spray carbon black, adjacent dibutylester tenderizer, promotor TT, antioxidant D; The content of specific components in weight percent as follows:
Paracril: 30～50 parts; Hydrogenated nitrile-butadiene rubber: 70～100 parts; Sulphur: 0.3～0.6 part; Zinc oxide: 4～6 parts; Stearic acid: 1～3 part; Spray carbon black: 20～40 parts; Adjacent dibutylester tenderizer: 10～12 parts; Promotor TT:1～2 part; Antioxidant D: 2～4 parts.
2. oil well logging instrument according to claim 1 high-strength rubber sealing member is characterized in that: described paracril: 30 parts; Hydrogenated nitrile-butadiene rubber: 70 parts; Sulphur: 0.3 part; Zinc oxide: 4 parts; Stearic acid: 1 part; Spray carbon black: 20 parts; Adjacent dibutylester tenderizer: 10 parts; Promotor TT:1 part; Antioxidant D: 2 parts.
3. oil well logging instrument according to claim 1 high-strength rubber sealing member is characterized in that: described paracril: 40 parts; Hydrogenated nitrile-butadiene rubber: 85 parts; Sulphur: 0.45 part; Zinc oxide: 5 parts; Stearic acid: 2 parts; Spray carbon black: 30 parts; Adjacent dibutylester tenderizer: 11 parts; Promotor TT:1.5 part; Antioxidant D: 3 parts.
4. oil well logging instrument according to claim 1 high-strength rubber sealing member is characterized in that: described paracril: 50 parts; Hydrogenated nitrile-butadiene rubber: 100 parts; Sulphur: 0.6 part; Zinc oxide: 6 parts; Stearic acid: 3 parts; Spray carbon black: 40 parts; Adjacent dibutylester tenderizer: 12 parts; Promotor TT:2 part; Antioxidant D: 4 parts.
5. oil well logging instrument according to claim 1 comprises and step with the production method of high-strength rubber sealing member:
(a) 30～50 parts of paracrils and 70～100 parts of hydrogenated nitrile-butadiene rubbers are added to respectively on the rubber mixing machine, rubber mixing machine roll spacing 4mm adds 0.3～0.6 part of sulphur, 4～6 parts of zinc oxide, 1～3 part of stearic acid, 2～4 parts of antioxidant Ds successively after mixing 2 minutes mixing evenly;
(b) roll spacing is transferred to 5mm and is added 1～2 part of promotor TT, 20～40 parts of spray carbon blacks and 10～12 parts of adjacent dibutylester tenderizers and mix;
(c) the rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
(d) mixing even sizing material room temperature park 24 hours stand-by;
(e) park on the sizing material after 24 hours rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewind 2 times;
(f) sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
(g) opening mold after sulfuration is finished takes out product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210503135 CN103044734A (en) | 2012-11-30 | 2012-11-30 | High-strength rubber sealing piece applied to logging instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210503135 CN103044734A (en) | 2012-11-30 | 2012-11-30 | High-strength rubber sealing piece applied to logging instrument |
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| Publication Number | Publication Date |
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| CN103044734A true CN103044734A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210503135 Withdrawn CN103044734A (en) | 2012-11-30 | 2012-11-30 | High-strength rubber sealing piece applied to logging instrument |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103756047A (en) * | 2013-12-13 | 2014-04-30 | 芜湖金鹰机械科技开发有限公司 | Oxidation resistant rubber cup material |
| CN104177677A (en) * | 2013-08-23 | 2014-12-03 | 青岛开世密封工业有限公司 | High-strength low-compressive-strain easily-adhesive mixed rubber and sealing gasket thereof |
| CN105694162A (en) * | 2016-03-04 | 2016-06-22 | 中国石油集团渤海钻探工程有限公司 | High-temperature-resistant rubber core for rotating control head and preparing method thereof |
| CN106496715A (en) * | 2016-10-28 | 2017-03-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of microballoon pole plate high-performance rubber material |
| CN106519364A (en) * | 2016-10-28 | 2017-03-22 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Microsphere polar plate manufacturing technology |
| CN112980067A (en) * | 2021-03-01 | 2021-06-18 | 深圳市鑫华煦橡胶制品有限公司 | Temperature-resistant hydrogenated nitrile rubber |
| CN115536923A (en) * | 2022-11-10 | 2022-12-30 | 丸一橡胶（深圳）有限公司 | Environment-friendly rubber O-shaped ring material and processing equipment thereof |
-
2012
- 2012-11-30 CN CN 201210503135 patent/CN103044734A/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104177677A (en) * | 2013-08-23 | 2014-12-03 | 青岛开世密封工业有限公司 | High-strength low-compressive-strain easily-adhesive mixed rubber and sealing gasket thereof |
| CN103756047A (en) * | 2013-12-13 | 2014-04-30 | 芜湖金鹰机械科技开发有限公司 | Oxidation resistant rubber cup material |
| CN105694162A (en) * | 2016-03-04 | 2016-06-22 | 中国石油集团渤海钻探工程有限公司 | High-temperature-resistant rubber core for rotating control head and preparing method thereof |
| CN106496715A (en) * | 2016-10-28 | 2017-03-15 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of microballoon pole plate high-performance rubber material |
| CN106519364A (en) * | 2016-10-28 | 2017-03-22 | 中国化工集团曙光橡胶工业研究设计院有限公司 | Microsphere polar plate manufacturing technology |
| CN106496715B (en) * | 2016-10-28 | 2018-02-27 | 中国化工集团曙光橡胶工业研究设计院有限公司 | A kind of microballoon pole plate high-performance rubber material |
| CN112980067A (en) * | 2021-03-01 | 2021-06-18 | 深圳市鑫华煦橡胶制品有限公司 | Temperature-resistant hydrogenated nitrile rubber |
| CN115536923A (en) * | 2022-11-10 | 2022-12-30 | 丸一橡胶（深圳）有限公司 | Environment-friendly rubber O-shaped ring material and processing equipment thereof |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20130417 |