CN106243423A - A kind of high-performance stator rubber being applicable to water-base drilling fluid environment - Google Patents
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
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- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a kind of high-performance stator rubber being applicable to water-base drilling fluid environment, with nitrile rubber as material of main part, be added with reinforcing agent and reinforcing aids；Wherein, described reinforcing agent be white carbon black N550, white carbon black N330 and amorphous Si O2The mixture of one or more arbitrary proportions in Deng, described reinforcing aids is any one in CNT, phenolic resin or aramid fiber.This high-performance stator rubber, has higher tearing strength and hardness, ensures that its performance maintenance in water-base drilling fluid environment is preferable simultaneously, and performance rate of change is relatively low.
Description
Technical field
The invention belongs to petroleum drilling and mining technical field of tools, be specifically related to a kind of high property being applicable to water-base drilling fluid environment
Can stator rubber.
Background technology
Helicoid hydraulic motor is one of widest mud motor of current application, mainly by motor assembly, universal drive shaft assembly
With the parts such as rotary shaft assembly composition.Motor assembly is to provide power for helicoid hydraulic motor, fixed by the metal of inner surface coating rubber
Son pipe and rotor form, and conventional screw drilling tool rubber thickness is inhomogenous, and Chinese patent CN101656438A mentions one etc.
Wall thickness structure helicoid hydraulic motor, rubber layer thickness is basically identical, and motor stator efficiency is greatly improved, and service life is effectively prolonged
Long.
Chinese patent CN104744748A discloses the wall-thickness screw drilling tool oil resistant stator rubbers such as one, this rubber mix
Thing uses nitrile rubber to be material of main part, is equipped with the auxiliary agents such as rubber activator, plasticizer, reinforcing agent and vulcanizing agent, and elastomeric compound has
Having preferable mechanical property and processing performance, this kind of rubber is be applicable to oil base drilling fluid environment, and is not suitable for water-based drilling
In pendular ring border.
Summary of the invention
The technical problem to be solved is the deficiency existed for above-mentioned prior art and provides one to be applicable to
The high-performance stator rubber of water-base drilling fluid environment, has higher tearing strength and hardness, ensures at water-base drilling fluid simultaneously
In environment, performance maintenance is preferable, and performance rate of change is relatively low.
The present invention solves that the technical scheme that problem set forth above is used is:
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment, with nitrile rubber as material of main part, is added with
Reinforcing agent；Wherein, described reinforcing agent be white carbon black N550, white carbon black N330 and amorphous Si O2One or more arbitrary proportions in Deng
Mixture.
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment, with nitrile rubber as material of main part, is added with
Reinforcing agent and reinforcing aids；Wherein, described reinforcing agent be white carbon black N550, white carbon black N330 and amorphous Si O2One or several in Deng
Planting the mixture of arbitrary proportion, it is any one that described reinforcing aids is selected from CNT, phenolic resin or aramid fiber etc.
Kind.
Preferably, described reinforcing agent is used in mixed way, white carbon black N550, white carbon black N330 and amorphous Si O2Three's mixing quality ratio
Example is (4～3): (3～2): (2～1).
By such scheme, described reinforcing agent is the 30～70% of nitrile rubber quality.
By such scheme, described reinforcing aids is the 5～20% of nitrile rubber quality.
Further, the present invention provides a kind of concrete high-performance stator rubber being applicable to water-base drilling fluid environment, its
It is made up of nitrile rubber, zinc oxide, stearic acid, age resistor, sulfur, accelerator, plasticizer and reinforcing agent, the mass parts of each raw material
Number is: nitrile rubber 100 parts, zinc oxide 3～7 parts, stearic acid 1～2 parts, age resistor 4～6 parts, sulfur 2～4 parts, accelerator
1.5～3.5 parts, plasticizer 5～10 parts, reinforcing agent 30～70 parts；Described reinforcing agent is white carbon black N550, white carbon black N330 and amorphous
SiO2In the mixture of one or more arbitrary proportions.
Further, the present invention provides a kind of concrete high-performance stator rubber being applicable to water-base drilling fluid environment, its
It is made up of nitrile rubber, zinc oxide, stearic acid, age resistor, sulfur, accelerator, plasticizer and reinforcing agent and reinforcing aids.Each former
The mass fraction of material is: nitrile rubber 100 parts, zinc oxide 3～7 parts, stearic acid 1～2 parts, age resistor 4～6 parts, sulfur 2～4
Part, accelerator 1.5～3.5 parts, plasticizer 5～10 parts, reinforcing agent 30～70 parts, reinforcing aids 5～20 parts；Wherein, described benefit
Strong agent is white carbon black N550, white carbon black N330 and amorphous Si O2The mixture of one or more arbitrary proportions in Deng, described enhancing
Auxiliary agent is selected from any one in CNT, phenolic resin or aramid fiber etc..
By such scheme, described age resistor preferably uses amine or phenol antiager, can provide preferably to stator rubber
Anti-old characteristic, the most beneficially prolongation of rubber time of scorch, the beneficially enforcement of injection molding of rubber technical process.Amine and
Phenol antiager can be according to the compounding mixing of various ways ratio, and in the present invention, the mass ratio of amine and phenol antiager is preferred
1:(1～2).
For the high-performance stator rubber being applicable to water-base drilling fluid environment of the present invention, first nitrile rubber is placed in close
Refining machine is plasticated 60～120 seconds, be subsequently adding age resistor, zinc oxide, stearic acid, sulfur and reinforcing aids (for without increasing
During the situation of strong auxiliary agent, reinforcing aids omits herein), mixing time is 90～150 seconds, then by white carbon black N550, white carbon black
N330, amorphous Si O2Being divided into twice addition with plasticizer, each mixing time is 90～150 seconds, is eventually adding accelerator,
Binder removal, the most on a mill until tabletting after mixing 60～120 seconds, vulcanize after parking 14～18 hours on vulcanizing press,
After carry out cutting out sample and performance test.
Compared with prior art, beneficial effects of the present invention is as follows:
(1) high-performance stator rubber of the present invention is applicable to wait wall-thickness screw drilling tool, with nitrile rubber as material of main part,
Reinforcement system is optimized combination, is simultaneously introduced special reinforcing aids, be effectively improved hardness and the tearing strength of rubber, to protect
Hold the stability of helicoid hydraulic motor work, there is higher hardness so that helicoid hydraulic motor has higher output moment of torsion and work simultaneously
Make efficiency.
(2) high-performance stator rubber of the present invention is be applicable to water-base drilling fluid environment, especially joins at stator rubber
Side adds three kinds of white carbon black N550, white carbon black N330 and amorphous Si O2Reinforcing agent, and carry out compounded combination with certain proportion, effectively
Improve hardness and the tearing strength of elastomeric material, reduce rubber rate of change in water-base drilling fluid；Meanwhile, basis at this
On, add CNT, phenolic resin or aramid fiber reinforcing aids, further improve the mechanical property of elastomeric material
Can be with resistance to water-base drilling fluid performance.
Detailed description of the invention
In order to be more fully understood that the present invention, it is further elucidated with present disclosure below in conjunction with embodiment, but the present invention is not
It is limited only to the following examples.
In following embodiment, nitrile rubber N32 is that Nippon Zeon Co., Ltd. produces, and acrylonitrile content is 33%, Mooney viscosity
It is 35；Antioxidant D and antioxidant 4020 preferably select primes or its ratings above；Sulfur selects dispersant and wetting agent to process
Soluble sulfur；Plasticizer G-25 is the sebacate of a kind of high molecular, and molecular weight is about 10000；CNT and aramid fiber
Fiber uses surface functional group (being hydroxyl reactive group in following embodiment) modification, can the most commercially obtain
?；Phenolic resin uses the tall oil modified resin material processed.
Embodiment
Specifically illustrating as a example by waiting wall-thickness screw drilling tool high-performance stator rubber in embodiment, it is applicable to water-base drilling fluid
Environment.Embodiment 1～5 all uses nitrile rubber N32 to be material of main part, with sulfur and altax as vulcanizing system, in case always
Agent MB and 4020 is preventing aging system, macromolecular compound G-25 be Plasticising system, zinc oxide and stearic acid be activator；Implementing
In example 1, being additionally added white carbon black N550 is reinforcing agent；In example 2, white carbon black N550, N330 and amorphous Si O it are additionally added2It is multiple
Close reinforcement system；Embodiment 3 is addition CNT on the basis of embodiment 2；Embodiment 4 is on the basis of embodiment 2
Add phenolic resin；Embodiment 5 is addition aramid fiber on the basis of embodiment 2.Table 1 is former each material tool of embodiment 1～5
Body proportioning, on the basis of 100 weight portion nitrile rubbers.
Table 1
For being applicable to the preparation method of the high-performance stator rubber of water-base drilling fluid environment described in embodiment 1～5, first will
Nitrile rubber is placed in banbury plasticates 90 seconds, be subsequently adding age resistor, zinc oxide, stearic acid, sulfur and reinforcing aids (for
During without the situation of reinforcing aids, reinforcing aids omits herein), mixing time is 120 seconds, then by white carbon black N550, charcoal
Black N330, amorphous Si O2Being divided into twice addition with plasticizer, each mixing time is 120 seconds, is eventually adding accelerator, mixed
Binder removal, the most on a mill until tabletting after refining 90 seconds, after parking 16 hours on vulcanizing press vulcanize, finally carry out cut out sample and
Performance test.
The mechanical property of the wall-thickness screw drilling tool high-performance stator rubber such as above-described embodiment 1～5 gained and hot water performance, inspection
Survey result is as shown in table 2 below.
Table 2
As shown in Table 2, high-performance stator rubber of the present invention with the addition of reinforcing agent N330, N550 and or amorphous
SiO2It is effectively increased the hardness of sizing material, hot strength and tear resistance, and resistance to water base DWM fluidity can also increase；
Further, all improve after adding reinforcing aids CNT, phenolic resin or aramid fiber the hardness of sizing material, hot strength,
Tearing strength and resistance to water base DWM fluidity energy, the especially most pronounced effects of CNT.
The above is only the preferred embodiment of the present invention, it is noted that come for those of ordinary skill in the art
Saying, without departing from the concept of the premise of the invention, it is also possible to make some modifications and variations, these broadly fall into the present invention's
Protection domain.
Claims (10)
1. it is applicable to a high-performance stator rubber for water-base drilling fluid environment, with nitrile rubber as material of main part, is added with benefit
Strong agent；Wherein, described reinforcing agent be white carbon black N550, white carbon black N330 and amorphous Si O2One or more arbitrary proportions in Deng
Mixture.
2. being applicable to a high-performance stator rubber for water-base drilling fluid environment, with nitrile rubber as material of main part, its feature exists
Reinforcing agent and reinforcing aids is included in it；Wherein, described reinforcing agent be white carbon black N550, white carbon black N330 and amorphous Si O2In
The mixture of one or more arbitrary proportions, described reinforcing aids is in CNT, phenolic resin or aramid fiber
Any one.
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment the most according to claim 1 and 2, its feature exists
White carbon black N550, white carbon black N330 and amorphous Si O is included in described reinforcing agent2, three's mass ratio is (4～3): (3～2): (2～
1)。
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment the most according to claim 1 and 2, its feature exists
In 30～70% that described reinforcing agent is nitrile rubber quality.
A kind of high-performance stator rubber being applicable to water-base drilling fluid environment the most according to claim 2, it is characterised in that
Described reinforcing aids is the 5～20% of nitrile rubber quality.
6. the high-performance stator rubber being applicable to water-base drilling fluid environment, it is characterised in that it by nitrile rubber, zinc oxide,
Stearic acid, age resistor, sulfur, accelerator, plasticizer and reinforcing agent are made, and the mass fraction of each raw material is: nitrile rubber 100
Part, zinc oxide 3～7 parts, stearic acid 1～2 parts, age resistor 4～6 parts, sulfur 2～4 parts, accelerator 1.5～3.5 parts, plasticizer 5
～10 parts, reinforcing agent 30～70 parts；Described reinforcing agent is white carbon black N550, white carbon black N330 and amorphous Si O2In one or more
The mixture of arbitrary proportion.
7. the high-performance stator rubber being applicable to water-base drilling fluid environment, it is characterised in that it by nitrile rubber, zinc oxide,
Stearic acid, age resistor, sulfur, accelerator, plasticizer and reinforcing agent and reinforcing aids are made, and the mass fraction of each raw material is: fourth
Nitrile rubber 100 parts, zinc oxide 3～7 parts, stearic acid 1～2 parts, age resistor 4～6 parts, sulfur 2～4 parts, accelerator 1.5～3.5
Part, plasticizer 5～10 parts, reinforcing agent 30～70 parts, reinforcing aids 5～20 parts；Described reinforcing agent is white carbon black N550, white carbon black N330
With amorphous Si O2In the mixture of one or more arbitrary proportions, described reinforcing aids is selected from CNT, phenolic resin
Or any one in aramid fiber.
8., according to a kind of high-performance stator rubber being applicable to water-base drilling fluid environment described in claim 6 or 7, its feature exists
White carbon black N550, white carbon black N330 and amorphous Si O is included in described reinforcing agent2, three's mass ratio is (4～3): (3～2): (2～
1)。
9. described in claim 6, it is applicable to the preparation method of the high-performance stator rubber of water-base drilling fluid environment, it is characterised in that
Nitrile rubber is first placed in banbury and plasticates 60～120 seconds by it, is subsequently adding age resistor, zinc oxide, stearic acid and sulfur, mixed
The refining time is 90～150 seconds, then by white carbon black N550, white carbon black N330, amorphous Si O2It is divided into twice addition, wherein with plasticizer
Mixing time is 90～150 seconds every time, is eventually adding accelerator, binder removal after mixing 60～120 seconds, presses the most on a mill until
Sheet, vulcanizes on vulcanizing press after parking 14～18 hours, obtains being applicable to the high-performance stator rubber of water-base drilling fluid environment
Glue.
10. described in claim 7, it is applicable to the preparation method of the high-performance stator rubber of water-base drilling fluid environment, it is characterised in that
First nitrile rubber is placed in banbury and plasticates 60～120 seconds, be subsequently adding age resistor, zinc oxide, stearic acid, sulfur and enhancing
Auxiliary agent, mixing time is 90～150 seconds, then by white carbon black N550, white carbon black N330, amorphous Si O2It is divided into twice with plasticizer to add
Entering, each mixing time is 90～150 seconds, is eventually adding accelerator, binder removal after mixing 60～120 seconds, the most on a mill until
Tabletting, vulcanizes on vulcanizing press after parking 14～18 hours, obtains being applicable to the high-performance stator of water-base drilling fluid environment
Rubber.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054130A (en) * | 2018-07-30 | 2018-12-21 | 绵阳市蜀橡科技有限公司 | It is a kind of using nitrile rubber as the rubber blend of rubber master batch and its water pump packing ring being prepared |
| CN109535511A (en) * | 2018-12-04 | 2019-03-29 | 中石化江钻石油机械有限公司 | A kind of heat conductive rubber material and preparation method thereof for drilling tool |
| CN115746422A (en) * | 2022-10-28 | 2023-03-07 | 北京彤程创展科技有限公司 | Rubber composition, equal-wall-thickness screw drill stator and drill |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054130A (en) * | 2018-07-30 | 2018-12-21 | 绵阳市蜀橡科技有限公司 | It is a kind of using nitrile rubber as the rubber blend of rubber master batch and its water pump packing ring being prepared |
| CN109535511A (en) * | 2018-12-04 | 2019-03-29 | 中石化江钻石油机械有限公司 | A kind of heat conductive rubber material and preparation method thereof for drilling tool |
| CN109535511B (en) * | 2018-12-04 | 2021-05-18 | 中石化江钻石油机械有限公司 | Heat-conducting rubber material for drilling tool and preparation method thereof |
| CN115746422A (en) * | 2022-10-28 | 2023-03-07 | 北京彤程创展科技有限公司 | Rubber composition, equal-wall-thickness screw drill stator and drill |
| CN115746422B (en) * | 2022-10-28 | 2024-05-03 | 北京彤程创展科技有限公司 | Rubber composition, equal-wall-thickness screw drilling tool stator and drilling tool |
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| Publication number | Publication date |
|---|---|
| CN106243423B (en) | 2018-04-27 |
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