CN107698822A - A kind of abrasive rubber and its preparation method and application - Google Patents
A kind of abrasive rubber and its preparation method and application Download PDFInfo
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- CN107698822A CN107698822A CN201711162600.8A CN201711162600A CN107698822A CN 107698822 A CN107698822 A CN 107698822A CN 201711162600 A CN201711162600 A CN 201711162600A CN 107698822 A CN107698822 A CN 107698822A
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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
- C08L7/00—Compositions of natural rubber
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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Abstract
The present invention relates to a kind of abrasive rubber and its preparation method and application, the abrasive rubber includes the following raw materials according of following parts by weight：100 parts of smoke sheet rubber, 1.0~6.0 parts of peptizer, 30~60 parts of carbon black, 3~5 parts of zinc oxide, 1.5~4 parts of stearic acid, 4~7 parts of age resistor, 1~4 part of paraffin, 0.8~2.5 part of accelerant A, 0.15~0.35 part of accelerant B, 2~10 parts of operation oil, 1.0~2.5 parts of sulphur, 0.1 0.5 parts of antiscorching agent.Rubber of the present invention has the advantages that wear-resistant, tear-proof, anti-cut by being reasonably formulated with the production technology rubber, is remained in the operating mode with larger abrasion particle with longer service life.
Description
Technical field
The present invention relates to the manufacturing field of abrasive rubber part, more particularly to a kind of abrasive rubber and preparation method thereof and should
With.
Background technology
Rubber has common metal and some unexistent unique performances of other high polymer materials, and being must in plant equipment
A kind of indispensable important component.Wear out failure is one of plant equipment and the main failure forms of parts.Machinery is set
Economic loss caused by standby wear out failure is huge, and once there is statistics in the U.S., every year caused by the wear out failure of plant equipment
Economic loss account for the 4% of gross national product.Engineering high-abrasive material mainly has metal and nonmetallic two major class, for wear-resisting use
The nonmetallic materials on way are mainly ceramics and rubber.Under vertical or wide-angle impact wear operating mode, elastomeric material performance is outstanding
It is outstanding, is particularly performed better in terms of wet-milling grinding abrasion is reduced.
When rubber is used for Pulp pump, Pulp pump by impeller high-speed rotation to slurry during being conveyed, slurry
Particle in body can wear to the rubber such as sheath, impeller, backplate flow passage components.Because motion state of the slurry in pump is different,
Particle can have abrasive particle abrasion to these rubber components and wash away abrasion, thus to the physical property requirements of rubber flow passage components compared with
Height has the longer life-span, it is necessary to which rubber has good abrasion performance and resistance to tearing energy in severe operating mode.
The content of the invention
For existing rubber for the problem of abrasion performance, resistance to tearing can be insufficient, the present invention during plant equipment be present
A kind of abrasive rubber is provided.
Further, the present invention also provides a kind of preparation method of abrasive rubber.
Further, the present invention also provides a kind of application of abrasive rubber.
To achieve the above object of the invention, the embodiment of the present invention employs following technical scheme：
A kind of abrasive rubber, include the raw material of following parts by weight proportioning：
Rubber provided by the invention is aided with using the smoke sheet rubber with good abrasion resistance and mechanical performance as main component
It is adapted to other components of abrasive rubber, improves the anti-wear performance and resistance to tearing of gained rubber, can be more coarse grained
Longer service life is shown in operating mode.
Further, the present invention also provides a kind of preparation method of abrasive rubber.The preparation method comprises at least following step
Suddenly：
Step 1, smoke sheet rubber plasticated, obtain broken-down rubber；
Step 2, peptizer, carbon black, zinc oxide, stearic acid, paraffin, age resistor, behaviour are added into step 1 gained broken-down rubber
Make oil, antiscorching agent progress mixing process, obtain elastomeric compound；
Step 3, add accelerant A into step 2 gained elastomeric compound, accelerant B and sulphur are kneaded, after packing under
Piece, cooling is stood, obtains finished product.
The preparation method of abrasive rubber provided by the invention ensure that the quality of product by rational technological process, and grasp
Make simply, to be suitable for big production operation.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting the present invention.
The embodiment of the present invention provides a kind of abrasive rubber, includes the raw material of following parts by weight proportioning：
Rubber provided by the invention is aided with using the smoke sheet rubber with good abrasion resistance and mechanical performance as main component
It is adapted to other components of abrasive rubber, improves the anti-wear performance and resistance to tearing of gained rubber, can be more coarse grained
Longer service life is shown in operating mode.
Specifically, the smoke sheet rubber is 1# smoke sheet rubbers, 2# smoke sheet rubbers or 3# smoke sheet rubbers.Smoke sheet rubber belongs to natural rubber,
Natural rubber has good anti-wear performance and good mechanical performance, is physical property and performance of technical process in all rubber
The kind of Coordination Equilibrium the most, there is crystallinity, and from reinforcing very good, the force intensity of rubber and compound rubber is high, suitable for
Applied in wear-resisting operating mode.The creasote that smoke sheet rubber is brought into during fumigation has anti-old and antisepsis, therefore smoked sheet to rubber
Glue combination property is preferable, and the performance such as tensile strength is higher than standard rubber, and with very strong elastic and good insulating properties, plastic
Property, water proof trapping, tension, it is wear-resisting the features such as, be more suitable for preparing abrasive rubber than other natural rubbers.
Preferably, the accelerant A includes thiazole accelerator, sulfenamide type accelerators, thuriam acceserator, guanidine
At least one of class accelerator.The accelerant B is thuriam acceserator.Rubber is after vulcanization, its Physical and mechanical properties
It can obviously improve, intensity, elasticity, stretch modulus increase, and plastic deformation is reduced, and turns into insoluble elastomer.The vulcanization of rubber mainly makes
Carried out with sulphur, but the reaction of sulphur and rubber is very slow, therefore the progress of sulfidation need to be promoted using accelerator.
Accelerator, which is added in sizing material, to promote vulcanizing agent to activate, and so as to accelerate the cross-linking reaction of vulcanizing agent and rubber molecule, reach shortening
Cure time and the effect for reducing curing temperature.Thuriam acceserator belongs to ultras, and promotion curingprocess rate is fast, and vulcanization is faced
Boundary's temperature is low, and during exclusive use, the problem of rubber vulcanization reverts easily occurs.In view of this, the embodiment of the present invention is by thiuram
Class accelerator is returned in use, can not only effectively prevent rubber vulcanization simultaneously with thiazoles, sulfenamide, guanidines
Original, vulcanization effect is improved, and financial cost can be reduced.Specifically, thuriam acceserator is as the second accelerator and this
A little accelerator adapteds, the curingprocess rate of thiazoles, sulfenamide, guanidines can be improved, accelerates the progress of reaction, together
When reduce accelerator dosage；Thiazole accelerator is used in combination with thuriam acceserator, can not only significantly improve the sulphur of accelerator
Change characteristic, obtained vulcanizate also better performances.The vulcanization starting point of sulfenamide type accelerators is slower, thus usually require with
Second accelerator (such as thuriam acceserator) and to accelerate vulcanization progress.It is hard using vulcanizate made from guanidines
Degree is high, stress at definite elongation is big but vulcanization flatness is poor, and curingprocess rate is slow, when being shared with thuriam acceserator, can improve vulcanization
Flatness, adjustment curingprocess rate, while obtain rubber tear-resistant, that stress at definite elongation is big.
It is specific preferable, the thiazole accelerator include captax (MBT), altax (2,
2'- dithio-bis-benzothiazoles), at least one of captax Z (zinc 2-mercaptobenzothiazole salt)；The sulfenamide
Class accelerator includes accelerant CZ (N- cyclohexyls -2-[4-morpholinodithio sulfenamide), accelerant NOBS (2- (4- morpholines are thio) benzene
And thiazole), accelerant A Z (diethyl benzo thiazolesulfenamide), accelerator DZ ((4) N, N- dicyclohexyl -2-2 benzothiazoles
Sulfenamide), captax BS (N- oxygen diethylene -2-[4-morpholinodithio sulfenamide), accelerator NS (the N- tert-butyl group -2- benzo thiophenes
At least one of azoles sulfenamide)；The thuriam acceserator include TM monex TM (tetramethylthiuram monosulfide),
At least one of Vulcanization accelerator TMTD (tetramethylthiuram disulfide), acceterator TE TD (tetraethylthiuram disulfide)；Institute
Stating bamic acid salt accelerator, (two is thio including accelerator ZDEC (zinc diethyl dithiocarbamate), diphenylguanidine TDM
At least one of dimorpholine)；The guanidines is diphenylguanidine (diphenylguanidine).Preferable accelerator is function admirable
Accelerator, add sizing material in after, vulcanizing agent can be promoted to activate, so as to accelerate the cross-linking reaction between vulcanizing agent and rubber molecule,
Reach and shorten cure time, reduce curing temperature, increase yield, the practical function for reducing production cost.
It is further preferred that the carbon black is at least one of carbon black N220, carbon black N330, carbon black N550, white carbon.
Carbon black N220 is applied to various rubber, can assign the higher tensile strength of micelle and tearing toughness；Carbon black N330 is a kind of benefit
Strong carbon black of good performance, can assign the preferable strength and extension property of micelle, tear resistance, wearability and elasticity；Carbon black N550 is fitted
It is easily scattered for natural rubber and various synthetic rubber, it can assign sizing material higher very property, extruder rate is fast, and mouth-type expansion is small,
It is smooth to extrude surface.White carbon is used in colorful rubber product and carries out reinforcement with alternative carbon black, meets white or translucent product
Needs.White carbon has superpower adhesion, tear-proof and heat-resisting ageing resistace, can be used for obtaining height in rubber
The wear-resisting rubber products of quality.
It is further preferred that the operation oil is environment-friendly aromatic oil.Environment-friendly aromatic oil has good rubber compatibility, resistance to
The features such as high temperature, low volatilization, the processing characteristics of rubber can be significantly improved, the weathering resistance, oxidation, mill of rubber product can be strengthened
Wipe, aging degree, while the mixing of filler in sizing material can be helped and disperseed.Environment-friendly aromatic oil can increase the cohesive of sizing material,
And rubber can be made to keep higher intensity.It is preferred that it is oily as operation using environment-friendly aromatic oil, it can make rubber that there is low temperature elasticity,
Tensile strength, elongation rate of tensile failure, reduction stress at definite elongation, raising cold resistance and the elasticity of rubber are improved simultaneously.
It is further preferred that the rubber antioxidant is the mixing of p-phenylenediamine rubber aging inhibitor and amines antioxidants
Thing.The intermiscibility of p-phenylenediamine rubber aging inhibitor and rubber is preferable, is not easy bloom, and not volatile, toxicity is low, has excellent
Antioxygen, ozone-resistant, it is anti-deflect cracking, light checking, have stronger inhibitory action to poisonous metals such as copper manganese, suitable for all kinds of conjunctions
Into rubber and natural rubber.The good dispersion in sizing material, there is emollescence to sizing material, vulcanization is influenceed little.Available for all kinds of
Wear-resisting rubber products.Amines antioxidants has outstanding heat resistanceheat resistant, antioxygen, ageing resistace, is suitable for natural rubber and except neoprene
Other synthetic rubber outside rubber.Rubber is acted on by mechanical stress for a long time, repeatedly the deformation such as flexion, extension or compression
Fatigue aging can occur, cause rubber macromolecule to be taken exercise, or promote heat inside rubber and heat ageing occurs, and outside
Portion's accelerated oxidation and ozonization, cause abrasion, the fracture of rubber.By p-phenylenediamine rubber aging inhibitor and amines antioxidants
Be used in combination, the effect of complementary collaboration can be played at the anti-old aspect of rubber, increase rubber antioxygen, ozone-resistant, it is anti-deflect cracking and
While light checking, also with heat resistance, so as to resist ageing of rubber process, extend the service life of rubber.
It is further preferred that the p-phenylenediamine rubber aging inhibitor is age resistor 6PPD, the use of the age resistor 6PPD
Measure as 3~5 parts, the amines antioxidants is that age resistor TMQ, the age resistor TMQ dosage are 1~2 part, and the two is preferable
Under dosage, antiaging effect can be preferably played jointly, reach more preferably antiageing effect.
It is further preferred that the peptizer is peptizer A60；The antiscorching agent is antiscorching agent PVI.Peptizer A60 is
The zinc soap salt of rubber is dissolved in, natural rubber quickly physics modeling solution can be promoted, fusing point is relatively low, just opens at a lower temperature
Beginning acts on, and is therefore particularly suitable for mill mixing, also can be used as plasticating in other techniques, or in single mixing
Played a role in technique.Peptizer A60, which can assist in filler, quickly to be disperseed, so as to reduce mixing hop count, but the shore of rubber
Hardness is not exposed to influence.Because dissolving in rubber, peptizer A60 will not spray from vulcanized rubber.Antiscorching agent PVI is a kind of
High performance vulcanization inhibitor, a small amount of addition are remarkably improved process safety, help speed up the process of rubber, save
Raw material and the energy, and the storage-stable of sizing material can be improved, prevent from that natural vulcanization occurs during storage, and product are to being already subjected to height
The sizing material of heat or incipient scorch has regenerative recovery effect.
Further, the embodiment of the present invention also provides a kind of preparation method of abrasive rubber, and the preparation method is at least wrapped
Include following steps：
Step 1, smoke sheet rubber plasticated；
Step 2, addition peptizer, carbon black, zinc oxide, stearic acid, paraffin, age resistor, operation oil, antiscorching agent are kneaded
To uniform；
Step 3, addition accelerant A, accelerant B and sulphur are kneaded, and bottom sheet after packing, are stood cooling, are obtained finished product.
The preparation method of abrasive rubber provided by the invention is simple to operate, is suitable for big production operation.
In order to better illustrate embodiment of the present invention, illustrated below by embodiment is further.
Embodiment 1
The embodiment of the present invention provides a kind of abrasive rubber, includes the raw material of following parts by weight proportioning：
The preparation of abrasive rubber is carried out by the following method：
Step 1,1# smoke sheet rubbers are plasticated, obtain broken-down rubber；
Step 2, add into step 1 gained broken-down rubber peptizer A60, be carbon black N220, zinc oxide, stearic acid, paraffin, anti-
Old agent 6PPD, age resistor TMQ, environment-friendly aromatic oil, antiscorching agent PVI are kneaded to uniform, obtain elastomeric compound；
Step 3, into step 2 gained elastomeric compound, addition accelerant CZ, Vulcanization accelerator TMTD and sulphur are kneaded, after packing
Bottom sheet, cooling is stood, obtains finished product.
Embodiment 2
The embodiment of the present invention provides a kind of abrasive rubber, includes the raw material of following parts by weight proportioning：
The preparation of abrasive rubber is carried out by the following method：
Step 1,2# smoke sheet rubbers are plasticated, obtain broken-down rubber；
Step 2, add into step 1 gained broken-down rubber peptizer A60, be carbon black N330, zinc oxide, stearic acid, paraffin, anti-
Old agent 6PPD, age resistor TMQ, environment-friendly aromatic oil, antiscorching agent PVI are kneaded to uniform, obtain elastomeric compound；
Step 3, into step 2 gained elastomeric compound, addition diphenylguanidine, Vulcanization accelerator TMTD and sulphur are kneaded, after packing
Bottom sheet, cooling is stood, obtains finished product.
Embodiment 3
The embodiment of the present invention provides a kind of abrasive rubber, includes the raw material of following parts by weight proportioning：
The preparation of abrasive rubber is carried out by the following method：
Step 1,3# smoke sheet rubbers are plasticated, obtain broken-down rubber；
Step 2, add into step 1 gained broken-down rubber peptizer A60, be carbon black N550, zinc oxide, stearic acid, paraffin, anti-
Old agent 6PPD, age resistor TMQ, environment-friendly aromatic oil, antiscorching agent PVI are kneaded to uniform, obtain elastomeric compound；
Step 3, into step 2 gained elastomeric compound, addition captax, Vulcanization accelerator TMTD and sulphur are kneaded, after packing
Bottom sheet, cooling is stood, obtains finished product.
Embodiment 4
The embodiment of the present invention provides a kind of abrasive rubber, includes the raw material of following parts by weight proportioning：
The preparation of abrasive rubber is carried out by the following method：
Step 1,3# smoke sheet rubbers are plasticated, obtain broken-down rubber；
Step 2, add into step 1 gained broken-down rubber peptizer A60, be white carbon, zinc oxide, stearic acid, paraffin, anti-old
Agent 6PPD, age resistor TMQ, environment-friendly aromatic oil, antiscorching agent PVI are kneaded to uniform, obtain elastomeric compound；
Step 3, into step 2 gained elastomeric compound, addition accelerator ZDEC, Vulcanization accelerator TMTD and sulphur are kneaded, and are packed
Bottom sheet afterwards, cooling is stood, obtains finished product.
Performance test is carried out to the abrasive rubber in various embodiments above, the results are shown in Table 1.
Table 1
From the result of the test in table 1, the abrasive rubber hardness of each embodiment is higher, stretch-proof, tear-proof, wear-resistant
It is functional, and than re-qualified.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. abrasive rubber, it is characterised in that：Following raw materials according component including following parts by weight：
- 2. abrasive rubber according to claim 1, it is characterised in that：The smoke sheet rubber be 1# smoke sheet rubbers, 2# smoke sheet rubbers or Person's 3# smoke sheet rubbers.
- 3. abrasive rubber according to claim 1, it is characterised in that：The accelerant A includes thiazole accelerator, secondary sulphur At least one of amide-type accelerator, thuriam acceserator, guanidines；And/orThe accelerant B is thuriam acceserator.
- 4. abrasive rubber according to claim 3, it is characterised in that：The thiazole accelerator includes captax, promoted At least one of agent DM, captax Z；And/orThe sulfenamide type accelerators include accelerant CZ, accelerant NOBS, accelerant A Z, accelerator DZ, captax BS, At least one of accelerator NS；And/orThe thuriam acceserator includes at least one of TM monex TM, Vulcanization accelerator TMTD, acceterator TE TD；And/orThe bamic acid salt accelerator includes at least one of accelerator ZDEC, diphenylguanidine TDM；And/orThe guanidines is diphenylguanidine.
- 5. according to the abrasive rubber described in claim any one of 1-4, it is characterised in that：The carbon black include for carbon black N220, At least one of carbon black N330, carbon black N550 or at least one of white carbon and carbon black N220, carbon black N330, carbon black N550 's；And/orThe operation oil is environment-friendly aromatic oil.
- 6. according to the abrasive rubber described in claim any one of 1-4, it is characterised in that：The rubber antioxidant is p-phenylenediamine The mixture of class rubber antioxidant and amines antioxidants.
- 7. according to the abrasive rubber described in any one of claim 6, it is characterised in that：The p-phenylenediamine rubber aging inhibitor is Age resistor 6PPD, the age resistor 6PPD dosage are 3~5 parts, and the amines antioxidants is age resistor TMQ, the age resistor TMQ dosage is 1~2 part.
- 8. according to the abrasive rubber described in claim any one of 1-4, it is characterised in that：The peptizer is peptizer A60； And/orThe antiscorching agent is antiscorching agent PVI.
- 9. a kind of preparation method of abrasive rubber, it is characterised in that comprise the following steps：Step 1, smoke sheet rubber plasticated, obtain broken-down rubber；Step 2, peptizer, carbon black, zinc oxide, stearic acid, paraffin, age resistor, operation are added into step 1 gained broken-down rubber Oil, antiscorching agent carry out mixing process, obtain elastomeric compound；Step 3, into step 2 gained elastomeric compound, addition accelerant A, accelerant B and sulphur are kneaded, and bottom sheet after packing is quiet Cooling is put, obtains finished product.
- 10. application of the abrasive rubber described in claim any one of 1-8 as Pulp pump Special wear-resistant rubber.
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| CN201711162600.8A CN107698822A (en) | 2017-11-21 | 2017-11-21 | A kind of abrasive rubber and its preparation method and application |
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| CN201711162600.8A CN107698822A (en) | 2017-11-21 | 2017-11-21 | A kind of abrasive rubber and its preparation method and application |
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Cited By (3)
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| CN112094445A (en) * | 2020-08-31 | 2020-12-18 | 三联泵业股份有限公司 | Wear-resistant rubber for slurry pump and preparation method thereof |
| CN112409654A (en) * | 2019-08-23 | 2021-02-26 | 蔡美玉 | Anti-slip sole and preparation method thereof |
| CN115093622A (en) * | 2022-08-19 | 2022-09-23 | 保定三源橡胶有限公司 | Anti-aging anti-ultraviolet rubber material and preparation method thereof |
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