CN106146947A - A kind of resistance to HI high impact, shear-stable nitrile rubber - Google Patents
A kind of resistance to HI high impact, shear-stable nitrile rubber Download PDFInfo
- Publication number
- CN106146947A CN106146947A CN201610631610.0A CN201610631610A CN106146947A CN 106146947 A CN106146947 A CN 106146947A CN 201610631610 A CN201610631610 A CN 201610631610A CN 106146947 A CN106146947 A CN 106146947A
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- Prior art keywords
- nitrile rubber
- resistance
- shear
- high impact
- rubber
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
The present invention relates to a kind of resistance to HI high impact, shear-stable nitrile rubber, component is following and parts by weight are as follows: nitrile rubber 90 120, organic zinc 1 10, white carbon black 60 80, di-n-octyl sebacate 1 10, age resistor 12, age resistor 12, stearic acid 12, carbon fiber 25, high-strength adhesive 12 and auxiliary agent.The nitrile rubber of the present invention can use under disliking engineering-environment slightly, the such as sealing at the reamer axle of dredger uses, in the working environment of dredger tool, Ore, sediment charge in water are the biggest, need wear-resisting, torsibility is especially wear-resisting in the process reversed, the carbon fiber added in the application can be effectively increased the anti-wear performance of rubber, it is provided that further determines the wearability of this sizing material under moment of torsion.
Description
Technical field
The invention belongs to rubber materials, relate to a kind of resistance to HI high impact, shear-stable nitrile rubber.
Background technology
Floating seal belongs to the one of mechanical seal in movable sealing, at severe working environments such as many coal dusts, silt, aqueous vapors
Under there is superpower sealing property, be the mechanical seal of a kind of compact, be mainly used in low-speed heave-load occasion.It tool wear-resisting,
Can automatically compensate after end wear, reliable operation, advantages of simple structure and simple, be used widely in coal mine machinery.As bulldozed
Machine walking mechanism, handpiece of scraper conveyer (tail) chain wheel assembly, loading mechanism for tunneling machine and cantilever segment, continuous miner are left and right
Cutting drum and decelerator etc..
At the floating seal ring etc. that such as dredger etc. uses under the conditions of evil slightly (operating environment such as Ore, silt), need
There is stronger impact resistance, in addition it is also necessary to having the performances such as bigger anti-shearing force, existing caulking gum is in terms of above-mentioned two
It is not met by requirement.
Being found by retrieval, the patent documentation the most relevant to the application, specifically disclosed content is as follows:
1, a kind of high-strength abrasion-proof nitrile butadiene rubber cable material (CN103554570A), this CABLE MATERIALS is former by following weight portion
Material composition: nitrile rubber (3304) 35-40, sulfur 1-2, polyacrylonitrile 4-5, ABS high glue powder 6-8, metallocene linear low density
Polyethylene 30-34, butadiene rubber 12-14, stearic acid 3-4, oxalic acid 1-2, N330 carbon black 25-28, dioctyl adipate 5-8, lemon
Lemon triethylenetetraminehexaacetic acid ester 5-7, zinc oxide 6-8, magnesium oxide 2-4, N550 white carbon black 28-32, altax-1-2, auxiliary agent 4-5；Described helps
Agent comprises the raw material of following weight portion: celestite 30-34, methyl diphenylene diisocyanate 3-4, tripropylene glycol two propylene
Acid esters 3-4, magnesium oxide 5-6, Firebrake ZB 2-3, jade powder 4-5, phenyl triethoxysilane 1-2, accelerant N a-22-1-2, nitrogen
Change aluminum 4-5, morpholine 1-2, thiol-butyl tin 1-2, Radix Angelicae Sinensis oil 1-2；Preparation method is to put in calcining furnace celestite at 550-
Calcine 3-4 hour at 570 DEG C, cooling, put into after being ground into 50-100 mesh in 12-15% hydrochloric acid solution and soak 2-3 hour, filter
Going out celestite powder, clear water is cleaned, and dries, is ground into 200-300 mesh powder, mixes with other residual components, grinding distribution 1-2
Hour, to obtain final product.
2, a kind of tear-resistant flame-retardant modified nitrile rubber of shock resistance (104387631A), its raw material wraps by weight
Include: nitrile rubber 270750-55 part, EP rubbers 13-16 part, para-aramid fiber 24-28 part, modified boehmite 32-40 part,
Hard (china) clay 13-15 part, meerschaum 8-11 part, lanthana 11-14 part, mica powder 20-23 part, monoalkoxy type titanate esters coupling
Agent 3-5 part, sulfur 4.3-6.5 part, accelerator TT1.7-2.2 part, altax 2.1-2.5 part, aromatic naphtha 4-7 part, Oleum Ricini
1-3 part, aluminium hydroxide 12-16 part, antimony oxide 5-8 part, melamine cyanurate salt 12-16 part, coumarone 4-6 part, ring
Alkyl oil 3-6 part, antioxidant BLE 2.8-3.3 part, age resistor OD4.3-4.6 part.
By comparing discovery, the application differs greatly with documents, and product using effect is not as good as the application.
Summary of the invention
In place of it is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of resistance to HI high impact, shear-stable butyronitrile
Rubber, the sizing material that the present invention provides has ageing-resistant, the characteristic of resisting sea water erosion, the reef of resistance to Corallium Japonicum Kishinouye erosion.
The present invention realizes the technical scheme of purpose:
A kind of resistance to HI high impact, shear-stable nitrile rubber, component is following and parts by weight are as follows
And, described nitrile rubber composition is as follows:
Nitrile rubber N220S 10-20
Nitrile rubber N240S 70-80
Nitrile rubber 1052 10-15.
And, consisting of of described white carbon black:
White carbon black N330 40-50
White carbon black N660 20-30.
Advantages of the present invention and having the beneficial effect that
1, the nitrile rubber that the present invention provides uses different compounding techniques and special auxiliary agent can to improve and optimize
Its characteristic, it is thus achieved that second the third sizing material can under conditions of HI high impact, high shear force life-time service, and keep excellent sealing effect
Really.
2, nitrile rubber of the present invention can use under disliking engineering-environment slightly, such as in the sealing of reamer axle of dredger
Using, in the working environment of dredger tool, Ore, sediment charge in water are very big, need wear-resisting, and torsibility is especially being turned round
In the process turned wear-resisting, the carbon fiber added in the application can be effectively increased the anti-wear performance of rubber, it is provided that another fixed turns round
The wearability of this sizing material under square.
3, also using high-strength adhesive in the application, high-strength adhesive can make carbon fiber and the good gluing of sizing material one
Rise, the problem overcoming carbon fiber and the poor adhesion of rubber, it is ensured that the using effect of sizing material.
Detailed description of the invention
Below by specific embodiment, the invention will be further described, and following example are illustrative, is not limit
Qualitatively, it is impossible to limit protection scope of the present invention with this.
Embodiment 1:
A kind of resistance to HI high impact, shear-stable nitrile rubber, component is as follows: be parts by weight below:
Method prepared by sizing material is as follows:
(1) three kinds of nitrile rubbers are individually plasticated, and start mixing after parking 24 hours；
The most mixing carrying out at banbury, floating weight pressurizes 0.6 MPa, and maximum temperature sets 110 degree, charging sequence: three kinds
Nitrile rubber, organic zinc, white carbon black, age resistor, stearic acid, carbon fiber, be uniformly dispersed agent, and mixing 9 minutes, blanking mill went out
Sheet, is cooled to less than 60 degree；
(3) above-mentioned film is put into banbury, adds di-n-octyl sebacate, Hardening agent, high-strength adhesive, auxiliary agent, pressurization
Bottom sheet after mixing 3 minutes, cooling, set maximum temperature 90 degree, bottom sheet is carried out in mill, after first passing through three rules, bag rod
Bottom sheet, cooled and stored；
(4) goods conditions of vulcanization 155 degree 8 points.
The sizing material processing the present embodiment makes a service test detection, and testing result is as follows:
| GB | Measured performance | |
| Breaking strength MPa | ≥15 | ≥26 |
| Percentage elongation % | ≥200 | ≥270 |
| Hardness Shao Er A | 80+5 | 80 |
| Compression Set | ≤30 | ≤15 |
Claims (3)
1. a resistance to HI high impact, shear-stable nitrile rubber, it is characterised in that: component is following and parts by weight are as follows
。
Resistance to HI high impact the most according to claim 1, shear-stable nitrile rubber, it is characterised in that: described nitrile rubber group
Become as follows:
Nitrile rubber N220S 10-20
Nitrile rubber N240S 70-80
Nitrile rubber 1052 10-15.
Resistance to HI high impact the most according to claim 1, shear-stable nitrile rubber, it is characterised in that: the composition of described white carbon black
For:
White carbon black N330 40-50
White carbon black N660 20-30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631610.0A CN106146947A (en) | 2016-08-02 | 2016-08-02 | A kind of resistance to HI high impact, shear-stable nitrile rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610631610.0A CN106146947A (en) | 2016-08-02 | 2016-08-02 | A kind of resistance to HI high impact, shear-stable nitrile rubber |
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| Publication Number | Publication Date |
|---|---|
| CN106146947A true CN106146947A (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610631610.0A Pending CN106146947A (en) | 2016-08-02 | 2016-08-02 | A kind of resistance to HI high impact, shear-stable nitrile rubber |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993501A (en) * | 2012-10-23 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Rubber packing leather material used for brake cylinder system and rubber packing leather prepared by utilizing same |
| CN103030846A (en) * | 2012-11-30 | 2013-04-10 | 西安致泰橡塑工业有限公司 | High-stiffness and high-hardness oil-resistant rubber part |
| CN103509212A (en) * | 2013-05-13 | 2014-01-15 | 河北博路天宝石油设备制造有限公司 | Nitrile rubber composite capable of improving mechanical property |
| WO2015159482A1 (en) * | 2014-04-16 | 2015-10-22 | 株式会社ブリヂストン | Rubber composition for hoses, and hydraulic hose |
| CN105462005A (en) * | 2015-12-31 | 2016-04-06 | 宁国市顺达密封件制造有限公司 | Novel high-temperature-resistant rubber |
| CN105504400A (en) * | 2015-12-31 | 2016-04-20 | 宁国市顺达密封件制造有限公司 | Rubber element which is used for filter and resistant to low temperature of -43 DEG C |
-
2016
- 2016-08-02 CN CN201610631610.0A patent/CN106146947A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993501A (en) * | 2012-10-23 | 2013-03-27 | 镇江铁科橡塑制品有限公司 | Rubber packing leather material used for brake cylinder system and rubber packing leather prepared by utilizing same |
| CN103030846A (en) * | 2012-11-30 | 2013-04-10 | 西安致泰橡塑工业有限公司 | High-stiffness and high-hardness oil-resistant rubber part |
| CN103509212A (en) * | 2013-05-13 | 2014-01-15 | 河北博路天宝石油设备制造有限公司 | Nitrile rubber composite capable of improving mechanical property |
| WO2015159482A1 (en) * | 2014-04-16 | 2015-10-22 | 株式会社ブリヂストン | Rubber composition for hoses, and hydraulic hose |
| CN105462005A (en) * | 2015-12-31 | 2016-04-06 | 宁国市顺达密封件制造有限公司 | Novel high-temperature-resistant rubber |
| CN105504400A (en) * | 2015-12-31 | 2016-04-20 | 宁国市顺达密封件制造有限公司 | Rubber element which is used for filter and resistant to low temperature of -43 DEG C |
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Application publication date: 20161123 |