CN104895780A - Concrete piston and raw material manufacturing method thereof - Google Patents
Concrete piston and raw material manufacturing method thereof Download PDFInfo
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- CN104895780A CN104895780A CN201510287209.5A CN201510287209A CN104895780A CN 104895780 A CN104895780 A CN 104895780A CN 201510287209 A CN201510287209 A CN 201510287209A CN 104895780 A CN104895780 A CN 104895780A
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Abstract
The invention relates to a concrete piston and a raw material manufacturing method thereof, wherein rubber material for the concrete piston by weight percentage part comprises that NBR is 100 percent; ZnO is 5 to 8 part; SA is 1 part; anti-aging agent is 1 to 3 part; carbon black is 1 to 3 part; white carbon black is 25 to 35 part; fiber is 2 to 4 part; plasticizer is 1.5 part; tackifying resin is 2 to 4 part; adhesive is 4 to 7 part; adhesive A is 1 to 2 part; sulfur is 1 to 1.5 part; and accelerant is 2.5 to 3.5 part. The concrete piston has the advantages of good high temperature resistance performance, good hydrolysis resistance performance, good wear resistance performance and good tearing resistance performance; the friction coefficient is reduced; the service life is prolonged; and the work efficiency of an apparatus is improved.
Description
Technical field
The invention belongs to field of rubber technology, relate to a kind of concrete piston and method for preparing raw material thereof.
Background technique
At present, rubber concrete piston is the vitals of construction engineering and drilling machinery cement slurry transfer pump, and it is reciprocating in the media such as cement slurry, cement slurrypump is delivered to eminence, plays seal action at a distance simultaneously, prevent cement slurry from spilling.Assembly type cement slurry concrete piston many employings polyurethane material of prior art manufactures, though polyurethane products have fabulous elasticity and wear resistance, because heat-resisting quantity is poor, easily hydrolyzed, friction factor large, working life is short; Also part is had to use rubber manufacture, but formula Design reason, rubber concrete piston abrasion-proof is general, and tear resistance is not as good as polyurethane, and working life is short, has a strong impact on the working efficiency of equipment.For this reason, need a kind of concrete piston and method for preparing raw material thereof, solution heat-resisting quantity is poor, easily hydrolyzed, friction factor large, and working life is short, and wear resistance is poor, tear resistance is poor, have a strong impact on the problems such as the working efficiency of equipment, make it have good resistance to high temperature, resistant to hydrolysis performance, wear-resisting property and tear resistance, reduce friction factor, increase working life, improve the working efficiency of equipment.
Summary of the invention
The object of the present invention is to provide a kind of concrete piston and method for preparing raw material thereof, solution heat-resisting quantity is poor, easily hydrolyzed, friction factor are large, working life is short, wear resistance is poor, and tear resistance is poor, has a strong impact on the problems such as the working efficiency of equipment, make it have good resistance to high temperature, resistant to hydrolysis performance, wear-resisting property and tear resistance, reduce friction factor, increase working life, improve the working efficiency of equipment.
One aspect of the present invention provides a kind of concrete piston, comprise rubber body, layer of fibers is provided with in rubber body, rubber body is set to loop configuration, the upper outside of rubber body is set to inverted trapezoidal, the upper inner of rubber body is provided with the hollow space of inverted trapezoidal, the lower outside of rubber body is provided with the protruding structure of two circle rectangles, rubber body between the protruding structure of two circle rectangles is set to cylinder annular, the lower inside of rubber body is provided with columniform hollow space, is provided with the hollow transitional part of inverted trapezoidal between the hollow space of the inverted trapezoidal inside rubber body and columniform hollow space.
In above scheme preferably, its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 5-8 part, SA 1 part, age resister 1-3 part, carbon black 30-40 part, white carbon 25-35 part, fiber 2-4 part, 1.5 parts, plasticizing agent, tackifying resin 2-4 part, adhesive RS 4-7 part, adhesive A 1-2 part, sulphur 1-1.5 part, promoter 2.5-3.5 part; Age resister is anti-aging agent RD or antioxidant MB or antioxidant D NP, and plasticizing agent is TP-95 or DBP, and promoter is altax or accelerant CZ or promoter TT or acceterator TE TD.
Can also preferably, its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 6 parts, SA 1 part, 2 parts, age resister, carbon black 35 parts, white carbon 30 parts, fiber 3 parts, 1.5 parts, plasticizing agent, tackifying resin 3 parts, adhesive RS 5 parts, adhesive A 1.5 parts, 1.2 parts, sulphur, promoter 3 parts.
Can also preferably, its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 7 parts, SA 1 part, 2 parts, age resister, carbon black 36 parts, white carbon 32 parts, fiber 3.5 parts, 1.5 parts, plasticizing agent, tackifying resin 3.5 parts, adhesive RS 6 parts, adhesive A 1.8 parts, 1.4 parts, sulphur, promoter 3.2 parts.
Can also preferably, its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 5.5 parts, SA 1 part, 1.8 parts, age resister, carbon black 33 parts, white carbon 29 parts, fiber 2.8 parts, 1.5 parts, plasticizing agent, tackifying resin 2.8 parts, adhesive RS 5.5 parts, adhesive A 1.4 parts, 1.2 parts, sulphur, promoter 2.9 parts.
Can also preferably, add fiber in its rubber material adopted, fiber comprises aramid fibre, nylon fiber, carbon fiber; Fiber condition is pulp and short fibre.
Can also preferably, the fiber added in its rubber material adopted is through steps of processing: the first step, is placed on by fiber in homogenizer, stirs 1-3 minute; Second step, is placed into white carbon in the raw material that the first step handles well, stirs 1-5 minute; 3rd step, is placed into carbon black in the raw material that second step handles well, stirs 1-5 minute.
Can also preferably, its rubber material adopted, by following banburying method step preparation: the first step, puts into the Nitrile Rubber rubber of half number in banbury and plasticates; Second step, joins in banbury mixing by the mixture of the fiber handled well, white carbon and carbon black; 3rd step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 4th step, joins in banbury mixing by sulphur; 5th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 6th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; 7th step, is amplified to 2-4mm roller square by roller square, join in mill by adhesive A, promoter, when sizing material surface uniform is without white small powder, carries out thin-pass process; 8th step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
The present invention also provides a kind of method for preparing raw material of concrete piston, comprises the following steps: the first step, is placed on by fiber in homogenizer, stirs 1-3 minute; Second step, is placed into white carbon in the raw material handled well in the first step, stirs 1-5 minute; 3rd step, is placed into carbon black in the raw material handled well in second step, stirs 1-5 minute; 4th step, puts into the Nitrile Rubber rubber of half number in banbury and plasticates; 5th step, joins in banbury mixing by the mixture of fiber, white carbon and the carbon black handled well in the first step to the 3rd step; 6th step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 7th step, joins in banbury mixing by sulphur; 8th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 9th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; Tenth step, is amplified to 2-4mm roller square by roller square, join in mill by adhesive A, promoter, when sizing material surface uniform is without white raw material vestige, carries out thin-pass process; 11 step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
Compared with prior art, the present invention has the following advantages:
The invention provides a kind of concrete piston and method for preparing raw material thereof, solution heat-resisting quantity is poor, easily hydrolyzed, friction factor are large, working life is short, wear resistance is poor, and tear resistance is poor, has a strong impact on the problems such as the working efficiency of equipment, make it have good resistance to high temperature, resistant to hydrolysis performance, wear-resisting property and tear resistance, reduce friction factor, increase working life, improve the working efficiency of equipment.It significantly improves the tear resistance of rubber, and significantly improves the wear resistance of rubber; It can reduce the Electrostatic Absorption between fiber, thus is conducive to the dispersion of fiber in rubber; It can improve the dispersion of fiber in rubber.
Accompanying drawing explanation
Fig. 1 is the structural representation of concrete piston of the present invention.
In figure, 1 is rubber body, and 2 is protruding structure.
Embodiment
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
A kind of concrete piston, comprise rubber body 1, rubber body 1 is set to loop configuration, layer of fibers is provided with in rubber body 1, the upper outside of rubber body 1 is set to inverted trapezoidal, the upper inner of rubber body 1 is provided with the hollow space of inverted trapezoidal, the lower outside of rubber body 1 is provided with the protruding structure 2 of two circle rectangles, rubber body 1 between the protruding structure 2 of two circle rectangles is set to cylinder annular, the lower inside of rubber body 1 is provided with columniform hollow space, is provided with the hollow transitional part of inverted trapezoidal between the hollow space of the inverted trapezoidal inside rubber body 1 and columniform hollow space.
In the embodiment above, its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 5-8 part, SA 1 part, age resister 1-3 part, carbon black 30-40 part, white carbon 25-35 part, fiber 2-4 part, 1.5 parts, plasticizing agent, tackifying resin 2-4 part, adhesive RS 4-7 part, adhesive A 1-2 part, sulphur 1-1.5 part, promoter 2.5-3.5 part; Age resister is anti-aging agent RD or antioxidant MB or antioxidant D NP, and plasticizing agent is TP-95 or DBP, and promoter is altax or accelerant CZ or promoter TT or acceterator TE TD.
In the embodiment above, its rubber material adopted, can comprise following component according to weight percentage number: NBR 100 parts, ZnO 6 parts, SA 1 part, 2 parts, age resister, carbon black 35 parts, white carbon 30 parts, fiber 3 parts, 1.5 parts, plasticizing agent, tackifying resin 3 parts, adhesive RS 5 parts, adhesive A 1.5 parts, 1.2 parts, sulphur, promoter 3 parts.
In the embodiment above, its rubber material adopted, can comprise following component according to weight percentage number: NBR 100 parts, ZnO 7 parts, SA 1 part, 2 parts, age resister, carbon black 36 parts, white carbon 32 parts, fiber 3.5 parts, 1.5 parts, plasticizing agent, tackifying resin 3.5 parts, adhesive RS 6 parts, adhesive A 1.8 parts, 1.4 parts, sulphur, promoter 3.2 parts.
In the embodiment above, its rubber material adopted, can comprise following component according to weight percentage number: NBR 100 parts, ZnO 5.5 parts, SA 1 part, 1.8 parts, age resister, carbon black 33 parts, white carbon 29 parts, fiber 2.8 parts, 1.5 parts, plasticizing agent, tackifying resin 2.8 parts, adhesive RS 5.5 parts, adhesive A 1.4 parts, 1.2 parts, sulphur, promoter 2.9 parts.
In the embodiment above, add fiber in its rubber material adopted, fiber comprises aramid fibre, nylon fiber, carbon fiber; Fiber condition is pulp and short fibre.
In the embodiment above, the fiber added in its rubber material adopted is through steps of processing: the first step, is placed on by fiber in homogenizer, stirs 1-3 minute (as 2 minutes); Second step, is placed into white carbon in the raw material that the first step handles well, stirs 1-5 minute (as 2 minutes or 3 minutes or 4 minutes); 3rd step, is placed into carbon black in the raw material that second step handles well, stirs 1-5 minute (as 2 minutes or 3 minutes or 4 minutes).
Can also preferably, its rubber material adopted, by following banburying method step preparation: the first step, puts into the Nitrile Rubber rubber of half number in banbury and plasticates; Second step, joins in banbury mixing by the mixture of the fiber handled well, white carbon and carbon black; 3rd step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 4th step, joins in banbury mixing by sulphur; 5th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 6th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; 7th step, is amplified to 2-4mm (as 3mm) roller square, joins in mill by adhesive A, promoter, when sizing material surface uniform is without white small powder, carry out thin-pass process by roller square; 8th step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
A method for preparing raw material for concrete piston, comprises the following steps: the first step, is placed on by fiber in homogenizer, stirs 1-3 (as 2 minutes) minute; Second step, is placed into white carbon in the raw material handled well in the first step, stirs 1-5 minute (as 2 minutes or 3 minutes or 4 minutes); 3rd step, is placed into carbon black in the raw material handled well in second step, stirs 1-5 minute (as 2 minutes or 3 minutes or 4 minutes); 4th step, puts into the Nitrile Rubber rubber of half number in banbury and plasticates; 5th step, joins in banbury mixing by the mixture of fiber, white carbon and the carbon black handled well in the first step to the 3rd step; 6th step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 7th step, joins in banbury mixing by sulphur; 8th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 9th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; Tenth step, is amplified to 2-4mm (as 3mm) roller square, joins in mill by adhesive A, promoter by roller square, when sizing material surface uniform is without white raw material vestige, carry out thin-pass process; 11 step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
Concrete piston of the present invention and method for preparing raw material thereof, thin-pass refers to elastomeric compound not bag roller, by the roll spacing of 0.5-1 millimeter, then its bottom of naturally falling mill is allowed to connect on dish, by bottom, the glue connect on dish is picked up on torsion 90 ° of input rollers again, repeated multiple times, object improves the melting effect of elastomeric compound, and each component in elastomeric compound such as carbon black, vulcanzing agent, age resister etc. are uniformly dispersed.
Concrete piston of the present invention and method for preparing raw material thereof; the outside of the rubber body 1 of its concrete piston can arrange texture layer; its protruding structure 2 can arrange protruding particle, and the inside of its rubber body 1 can arrange protective layer, and the upper and lower of its rubber body 1 can arrange installation notch.After it adds fiber in rubber, the tear resistance of rubber can be significantly improved, and significantly improve the wear resistance of rubber; It is pre-dispersed by carrying out powder to fiber, can reduce the Electrostatic Absorption between fiber, thus be conducive to the dispersion of fiber in rubber; It, by the improvement of the banburying method of nitrile butadiene rubber elastomeric compound, can improve the dispersion of fiber in rubber.
Claims (9)
1. a concrete piston, comprise rubber body, it is characterized in that: rubber body is provided with layer of fibers in (1), rubber body (1) is set to loop configuration, the upper outside of rubber body (1) is set to inverted trapezoidal, the upper inner of rubber body (1) is provided with the hollow space of inverted trapezoidal, the lower outside of rubber body (1) is provided with the protruding structure (2) of two circle rectangles, rubber body (1) between the protruding structure (2) of two circle rectangles is set to cylinder annular, the lower inside of rubber body (1) is provided with columniform hollow space, the hollow transitional part of inverted trapezoidal is provided with between the hollow space of the inverted trapezoidal of rubber body (1) inner side and columniform hollow space.
2. concrete piston as claimed in claim 1, is characterized in that: its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 5-8 part, SA 1 part, age resister 1-3 part, carbon black 30-40 part, white carbon 25-35 part, fiber 2-4 part, 1.5 parts, plasticizing agent, tackifying resin 2-4 part, adhesive RS 4-7 part, adhesive A 1-2 part, sulphur 1-1.5 part, promoter 2.5-3.5 part; Age resister is anti-aging agent RD or antioxidant MB or antioxidant D NP, and plasticizing agent is TP-95 or DBP, and promoter is altax or accelerant CZ or promoter TT or acceterator TE TD.
3. concrete piston as claimed in claim 2, is characterized in that: its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 6 parts, SA 1 part, 2 parts, age resister, carbon black 35 parts, white carbon 30 parts, fiber 3 parts, 1.5 parts, plasticizing agent, tackifying resin 3 parts, adhesive RS 5 parts, adhesive A 1.5 parts, 1.2 parts, sulphur, promoter 3 parts.
4. concrete piston as claimed in claim 2, is characterized in that: its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 7 parts, SA 1 part, 2 parts, age resister, carbon black 36 parts, white carbon 32 parts, fiber 3.5 parts, 1.5 parts, plasticizing agent, tackifying resin 3.5 parts, adhesive RS 6 parts, adhesive A 1.8 parts, 1.4 parts, sulphur, promoter 3.2 parts.
5. concrete piston as claimed in claim 2, is characterized in that: its rubber material adopted, comprises following component according to weight percentage number: NBR 100 parts, ZnO 5.5 parts, SA 1 part, 1.8 parts, age resister, carbon black 33 parts, white carbon 29 parts, fiber 2.8 parts, 1.5 parts, plasticizing agent, tackifying resin 2.8 parts, adhesive RS 5.5 parts, adhesive A 1.4 parts, 1.2 parts, sulphur, promoter 2.9 parts.
6. the concrete piston according to any one of claim 2-5, is characterized in that: add fiber in its rubber material adopted, fiber comprises aramid fibre, nylon fiber, carbon fiber; Fiber condition is pulp and short fibre.
7. concrete piston as claimed in claim 6, is characterized in that: the fiber added in its rubber material adopted is through steps of processing: the first step, is placed on by fiber in homogenizer, stirs 1-3 minute; Second step, is placed into white carbon in the raw material that the first step handles well, stirs 1-5 minute; 3rd step, is placed into carbon black in the raw material that second step handles well, stirs 1-5 minute.
8. the concrete piston according to any one of claim 2-5, is characterized in that: its rubber material adopted, and by following banburying method step preparation: the first step, is put in banbury by the Nitrile Rubber rubber of half number and plasticates; Second step, joins in banbury mixing by the mixture of the fiber handled well, white carbon and carbon black; 3rd step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 4th step, joins in banbury mixing by sulphur; 5th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 6th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; 7th step, is amplified to 2-4mm roller square by roller square, join in mill by adhesive A, promoter, when sizing material surface uniform is without white small powder, carries out thin-pass process; 8th step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
9. a method for preparing raw material for concrete piston, comprises the following steps: the first step, is placed on by fiber in homogenizer, stirs 1-3 minute; Second step, is placed into white carbon in the raw material handled well in the first step, stirs 1-5 minute; 3rd step, is placed into carbon black in the raw material handled well in second step, stirs 1-5 minute; 4th step, puts into the Nitrile Rubber rubber of half number in banbury and plasticates; 5th step, joins in banbury mixing by the mixture of fiber, white carbon and the carbon black handled well in the first step to the 3rd step; 6th step, joins in banbury mixing by second half Nitrile Rubber rubber remaining in the first step; 7th step, joins in banbury mixing by sulphur; 8th step, joins in banbury mixing by ZnO, SA, age resister, plasticizing agent, tackifying resin, adhesive RS; 9th step, pours out elastomeric compound, carries out thin-pass process on a mill until, elastomeric compound is mixed and lowers the temperature; Tenth step, is amplified to 2-4mm roller square by roller square, join in mill by adhesive A, promoter, when sizing material surface uniform is without white raw material vestige, carries out thin-pass process; 11 step, bottom sheet, and with fan, elastomeric compound is blown to room temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510287209.5A CN104895780B (en) | 2015-05-29 | 2015-05-29 | A kind of concrete piston and its method for preparing raw material |
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| CN201510287209.5A CN104895780B (en) | 2015-05-29 | 2015-05-29 | A kind of concrete piston and its method for preparing raw material |
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| CN104895780A true CN104895780A (en) | 2015-09-09 |
| CN104895780B CN104895780B (en) | 2018-02-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099070A (en) * | 2017-06-22 | 2017-08-29 | 河北科技大学 | Puncture resistant nitrile rubber/resinification aramid fiber reinforced composite and preparation method thereof |
| CN113549288A (en) * | 2021-08-02 | 2021-10-26 | 濮阳市恒信橡塑有限公司 | High-pressure drilling pump piston |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016298C1 (en) * | 1992-09-29 | 1994-07-15 | Кривенко Юрий Александрович | Sectional piston |
| CN201627712U (en) * | 2010-03-23 | 2010-11-10 | 山东鸿达建工集团有限公司 | Concrete piston universal connection device |
| CN103102524A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Piston leather cup rubber for mud pump and preparation method thereof |
| CN103724726A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Piston cup rubber |
| CN104235006A (en) * | 2014-09-17 | 2014-12-24 | 青岛开世密封工业有限公司 | Semi-coated fabric concrete piston |
| CN204646640U (en) * | 2015-05-29 | 2015-09-16 | 青岛开世密封工业有限公司 | A kind of concrete piston |
-
2015
- 2015-05-29 CN CN201510287209.5A patent/CN104895780B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016298C1 (en) * | 1992-09-29 | 1994-07-15 | Кривенко Юрий Александрович | Sectional piston |
| CN201627712U (en) * | 2010-03-23 | 2010-11-10 | 山东鸿达建工集团有限公司 | Concrete piston universal connection device |
| CN103102524A (en) * | 2012-12-11 | 2013-05-15 | 芜湖恒坤汽车部件有限公司 | Piston leather cup rubber for mud pump and preparation method thereof |
| CN103724726A (en) * | 2013-12-13 | 2014-04-16 | 芜湖金鹰机械科技开发有限公司 | Piston cup rubber |
| CN104235006A (en) * | 2014-09-17 | 2014-12-24 | 青岛开世密封工业有限公司 | Semi-coated fabric concrete piston |
| CN204646640U (en) * | 2015-05-29 | 2015-09-16 | 青岛开世密封工业有限公司 | A kind of concrete piston |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099070A (en) * | 2017-06-22 | 2017-08-29 | 河北科技大学 | Puncture resistant nitrile rubber/resinification aramid fiber reinforced composite and preparation method thereof |
| CN107099070B (en) * | 2017-06-22 | 2018-09-07 | 河北科技大学 | Puncture resistant nitrile rubber/resinification aramid fiber reinforced composite and preparation method thereof |
| CN113549288A (en) * | 2021-08-02 | 2021-10-26 | 濮阳市恒信橡塑有限公司 | High-pressure drilling pump piston |
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Granted publication date: 20180223 Termination date: 20190529 |