CN106009115A - High-hardness rubber, and preparation method and application thereof - Google Patents
High-hardness rubber, and preparation method and application thereof Download PDFInfo
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- CN106009115A CN106009115A CN201610636246.7A CN201610636246A CN106009115A CN 106009115 A CN106009115 A CN 106009115A CN 201610636246 A CN201610636246 A CN 201610636246A CN 106009115 A CN106009115 A CN 106009115A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 80
- 239000005060 rubber Substances 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000006229 carbon black Substances 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 11
- 239000002674 ointment Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000011787 zinc oxide Substances 0.000 claims abstract description 8
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000008117 stearic acid Substances 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 239000004902 Softening Agent Substances 0.000 claims description 9
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 9
- 230000009969 flowable effect Effects 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- 239000000047 product Substances 0.000 claims description 9
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 8
- -1 age resistor Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 claims description 4
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical group C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 claims description 4
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical group CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000005987 sulfurization reaction Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 claims 1
- 239000003610 charcoal Substances 0.000 claims 1
- 230000032683 aging Effects 0.000 abstract description 9
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000010074 rubber mixing Methods 0.000 abstract 1
- 229920003048 styrene butadiene rubber Polymers 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 238000004073 vulcanization Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 6
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920003052 natural elastomer Polymers 0.000 description 3
- 229920001194 natural rubber Polymers 0.000 description 3
- KEQXNNJHMWSZHK-UHFFFAOYSA-L 1,3,2,4$l^{2}-dioxathiaplumbetane 2,2-dioxide Chemical group [Pb+2].[O-]S([O-])(=O)=O KEQXNNJHMWSZHK-UHFFFAOYSA-L 0.000 description 2
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001084 poly(chloroprene) Polymers 0.000 description 2
- 238000005486 sulfidation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
- B29B7/72—Measuring, controlling or regulating
- B29B7/728—Measuring data of the driving system, e.g. torque, speed, power, vibration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-hardness rubber, and a preparation method and an application thereof. The high-hardness rubber is mainly prepared from, by mass, 30 parts of styrene butadiene rubber, 70 parts of nitrile rubber, 5-6 parts of zinc oxide, 1-2 parts of stearic acid, 2 parts of an antioxidant, 140-145 parts of carbon black, 20-25 parts of a softener, 5-7 parts of an ointment, 2 parts of a flow agent and 1.8-2.2 parts of a promoter. The preparation method is characterized in that the high-hardness rubber is prepared through rubber mixing, vulcanization, trimming and examination. The raw material proportioning and the preparation method of the high-hardness rubber effectively improve the integral performances of the above product, so the high-hardness rubber prepared in the invention has good oil, wear and ageing resistance, and can be applied to make V-shaped rubber seal rings in order to solve the technical problem of unable simultaneous use requirement reaching of the oil resistance, the wear resistance and the ageing resistance of present high-hardness V-shaped rubber seal rings and to make the V-shaped rubber seal rings have high reliability and long service life.
Description
Technical field
The present invention relates to rubber technical field, especially relate to a kind of high durometer rubber and preparation method thereof and answer
With.
Background technology
V-arrangement rubber seal, i.e. section structure are similar to the rubber seal of V-arrangement, and it is widely used each neck
Territory, such as automobile, machinery etc., generally its hardness is between Shao's formula hardness 60~80 degree, and deformation is relatively big, rigidity is less becomes
It applies the key factor being restricted.
At present, the material that V-arrangement rubber seal uses is mainly with natural rubber, neoprene, nitrile rubber, these three
Material is the formula that main body separately designs, and its hardness is the highest can reach Shao's formula hardness about 85, wherein, the anti-tensile of neoprene
Intensity is high, and heat-resisting, fast light, ageing-resistant performance, oil resistance are superior to natural rubber, butyl rubber, have stronger flame resistance
With excellent fire retardance, its chemical stability is high, and resistance to water is preferable, but it is poor the most generally to there is electrical insulation capability, cold tolerance,
The defect such as unstable during rubber storage;Natural rubber has good resilience, percentage elongation, hot strength, a tearing strength, but
Shortcoming aspect oil resistivity etc. is all performed poor, the most similar to butadiene-styrene rubber;The resistance to water of nitrile rubber its excellence in recent years, resistance to
Oiliness etc. are widely used in footwear material foam material field, but exterior-coated nitrile rubber article has equally, and mechanical strength is low, insulating properties are low
Bad, elastic slightly lower shortcoming.Although therefore high rigidity V-arrangement rubber seal can reach requirement in hardness, sealing effectiveness is good,
But swelling, the hardness of being in use susceptible to rubber ring reduces, intensity declines, cause cushion rubber in early days because of volumetric expansion, several
What dimension overproof is big, physical property declines and causes leakage of oil, and sealing effectiveness declines.High rigidity V-type rubber ring the most of the prior art
Also cannot reach requirement in oil resistivity, wearability, ageing-resistant performance simultaneously, also be improved in its sealing reliability and service life.
Summary of the invention
The present invention provides the high durometer rubber that a kind of nitrile rubber is prepared with butadiene-styrene rubber Blend rubber, its oil resistivity, wear-resisting
Property and resistance to ag(e)ing more preferably, correspondingly provide the preparation method and application of this high durometer rubber.
For reaching above-mentioned purpose the technical solution used in the present invention it is:
High durometer rubber, it is characterised in that described high durometer rubber is mainly by the raw material components system of following mass fraction
For obtaining:
Butadiene-styrene rubber: 30 parts;
Nitrile rubber: 70 parts;
Zinc oxide: 5 ~ 6 parts;
Stearic acid: 1~2 part;
Age resistor: 2 parts;
White carbon black: 140~145 parts;
Softening agent: 20~25 parts;
Ointment: 5-7 part;
Flowable: 2 parts;
Accelerator: 1.8~2.2 parts.
Preferably, described accelerator is made up of diphenylguanidine TDM, accelerator TT and altax, and accelerator
The weight ratio of DTDM, accelerator TT and altax is 2:1:1.
Preferably, described age resistor is 4010NA, and white carbon black is fast extrusion white carbon black and/or high wear-resistant carbon black, and softening agent is
Dibutyl phthalate, ointment is dark substitute, and flowable is P60.
Preferably, described white carbon black is fast white carbon black and the high wear-resistant carbon black of extruding, fast extrusion white carbon black and the weight of high wear-resistant carbon black
Amount ratio is 0.5 ~ 0.6.
As total technology design, the present invention also provides for the preparation method of a kind of above-mentioned high durometer rubber, including
Following steps:
S1: put in mill by butadiene-styrene rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S2: put in mill by nitrile rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S3: the sheet rubber prepared in step S1, S2 is put in mill together, roll spacing is transferred to 0.8-1.3 millimeter and enters
Row is thin logical, plays triangle bag 5-6 time, is blended uniformly, prepares and rubber is blended;
S4: after the blended rubber prepared in step S3 parks 2-3 hour, put in masticator, and put into zinc oxide, tristearin
Acid, age resistor, ointment, flowable, white carbon black carries out mixing with softening agent, dump temperature 130-140 DEG C, prepares rubber master batch;
S5: putting into after being parked 4-6 hour by the rubber master batch glue prepared in S4 in mill, add accelerator, fall glue, by roll spacing in left and right
Being transferred to 0.8-1.3 millimeter carry out thin logical 4-5 time, prepare elastomeric compound, whole process need to open the cooling water recirculation system of mill,
Mixing temperature is made to be less than 45 DEG C;
S6: the elastomeric compound that S5 step prepares is parked, carries out semi-finished product and prepare;
S7: the semi-finished product prepared in step S6 are put into matched moulds sulfuration in mould, prepares vulcanizate;
S8: the vulcanizate prepared in step S7 carries out deburring, inspection after parking no less than 16 hours, obtains high durometer rubber and produces
Product.
Preferably, described step S4 particularly as follows: in step S3 prepare blended rubber park 2-3 hour after, thrown
Enter in masticator, by zinc oxide, stearic acid, age resistor, ointment, flowable, white carbon black and softening agent, point 4-5 input, put into
During want constantly left and right to fall glue, and carry floating weight 2-3 time, every time the stop 30-60 second, sizing material temperature reaches 130-140
DEG C time, carry out binder removal, prepare rubber master batch;
Preferably, the time that in described step S6, elastomeric compound is parked is no less than 24 hours.
Preferably, the described curing parameter in the poly-S7 of step is: temperature is 170 ± 5 DEG C, 5 minutes time, pressure 11-
13MPa, aerofluxus 2-3 time.
As total technology design, the present invention also provides for the application of a kind of above-mentioned high durometer rubber, and its feature exists
It is applied to make V-type rubber seal in described high durometer rubber.
The high durometer rubber of the present invention is that nitrile rubber is prepared with butadiene-styrene rubber Blend rubber, and wherein butadiene-styrene rubber has preferably
Elasticity, excellent anti-wear performance and the good feature such as ageing-resistant, coordinates with butyronitrile rubber and can make up butyronitrile rubber machinery by force
Spend the defects such as low and rebound performance difference;Ageing-resistant performance can be improved by age resistor further that add;The white carbon black added is fast pressure
Going out white carbon black and/or high wear-resistant carbon black, the fast white carbon black that extrudes has the features such as extrusion deformation is little, speed is fast, and high wear-resistant carbon black is reinforcing
Can good, the two and with can preferably meet reinforcement and processing performance;Ointment can give the surface that product is relatively smooth, and minimizing makes
The frictional force of used time, and then slow down the wear rate of product;Use the associating system of diphenylguanidine TDM/TT/DM, it is ensured that product exists
Mixing process and sulfidation reach a preferable equilibrium relation, not only make elastomeric compound that early stage incipient scorch phenomenon does not occur, and
Can ensure that sulfidation has enough crosslinked actions, give product and there is the advantages such as low buckling, ageing-resistant performance are good.
By the proportioning raw materials of the high durometer rubber of the present invention and the preparation method of the high durometer rubber of the present invention, effectively
Improve the overall performance of product, make the high durometer rubber that preparation is formed, oil resistance, anti-wear performance and resistance to ag(e)ing are the most relatively
Good, be applied to make V-type rubber seal can solve existing high rigidity V-type rubber seal oil resistant, wear-resisting and ageing-resistant cannot
Reaching to use the technical problem required, the sealing reliability making V-type rubber seal is higher, and service life is longer simultaneously.
Detailed description of the invention
For the ease of understanding the present invention, below in conjunction with preferred embodiment, the present invention is made more comprehensively, describes meticulously,
But protection scope of the present invention is not limited to embodiment in detail below.
Unless otherwise defined, the implication that all technical term used hereinafter is generally understood that with those skilled in the art
Identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit this
The protection domain of invention.
Unless otherwise specified, the various raw materials used in the present invention, reagent, instrument and equipment etc. all can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1:
High durometer rubber, it mainly prepares by the raw material components of mass fraction shown in table 1 below, and this preparation method has
Body comprises the following steps:
S1: put in mill by butadiene-styrene rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S2: put in mill by nitrile rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S3: the sheet rubber prepared in step S1, S2 is put in mill together, roll spacing is transferred to 0.8-1.3 millimeter and enters
Row is thin logical, plays triangle bag 5-6 time, is blended uniformly, prepares and rubber is blended;
S4: in step S3 prepare blended rubber park 2-3 hour after, put in masticator, by zinc oxide, stearic acid,
Age resistor, ointment, flowable, white carbon black and softening agent, point 4-5 input, during putting into, want constantly left and right glue, and
Carry floating weight 2-3 time, stop the 30-60 second every time, when sizing material temperature reaches 130-140 DEG C, carry out binder removal, prepare rubber master batch;
S5: putting into after being parked 4-6 hour by the rubber master batch glue prepared in S4 in mill, add accelerator, fall glue, by roll spacing in left and right
Being transferred to 0.8-1.3 millimeter carry out thin logical 4-5 time, prepare elastomeric compound, whole process need to open the cooling water recirculation system of mill,
Mixing temperature is made to be less than 45 DEG C;
S6: the elastomeric compound that S5 step prepares was parked no less than 24 hours, carries out semi-finished product and prepare;
S7: the semi-finished product prepared in step S6 are put into matched moulds sulfuration in mould, and curing temperature is 170 ± 5 DEG C, 5 minutes time,
Pressure 11-13MPa, aerofluxus 2-3 time, prepare vulcanizate;
S8: the vulcanizate prepared in step S7 carries out deburring, inspection after parking no less than 16 hours, obtains high durometer rubber and produces
Product.
Table 1 is the formula table of embodiment 1.
Embodiment 2:
Embodiment 2 is identical with the preparation method of embodiment 1, and difference is that embodiment 2 is main by matter shown in table 2 below
Prepared by the raw material components of amount number.
Table 2 is the formula table of embodiment 2.
The high durometer rubber that table 3 is embodiment 1 and embodiment 2 prepares and high rigidity V-type rubber of the prior art
The performance comparison of the high durometer rubber that sealing ring is used.
As seen from Table 3, by proportioning raw materials and the preparation method of high durometer rubber of the high durometer rubber in embodiment,
Effectively raise the overall performance of product, make the high durometer rubber that preparation is formed, oil resistance, anti-wear performance and resistance to ag(e)ing
Be superior to comparative example, be applied to make V-type rubber seal can solve existing high rigidity V-type rubber seal oil resistant, wear-resisting and
Ageing-resistant cannot simultaneously reaching uses the technical problem required, the sealing reliability making V-type rubber seal is higher, service life
Longer.
Claims (9)
1. high durometer rubber, it is characterised in that described high durometer rubber is mainly by the raw material components system of following mass fraction
For obtaining:
Butadiene-styrene rubber: 30 parts;
Nitrile rubber: 70 parts;
Zinc oxide: 5 ~ 6 parts;
Stearic acid: 1~2 part;
Age resistor: 2 parts;
White carbon black: 140~145 parts;
Softening agent: 20~25 parts;
Ointment: 5-7 part;
Flowable: 2 parts;
Accelerator: 1.8~2.2 parts.
High durometer rubber the most according to claim 1, it is characterised in that described accelerator is by diphenylguanidine TDM, accelerator
TT and altax form, and the weight ratio of diphenylguanidine TDM, accelerator TT and altax is 2:1:1.
High durometer rubber the most according to claim 1, it is characterised in that described age resistor is 4010NA, white carbon black is fast pressure
Going out white carbon black and/or high wear-resistant carbon black, softening agent is dibutyl phthalate, and ointment is dark substitute, and flowable is P60.
High durometer rubber the most according to claim 3, it is characterised in that described white carbon black is fast extrusion white carbon black and high abrasion
White carbon black, the fast weight ratio extruding white carbon black and high wear-resistant carbon black is 0.5 ~ 0.6.
5. the preparation method of the high durometer rubber according to any one of claim 1 ~ 4, comprises the following steps:
S1: put in mill by butadiene-styrene rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S2: put in mill by nitrile rubber and be opened to lamellar by bulk, is transferred to roll spacing 0.8-1.3 millimeter and carries out thin logical,
Play triangle bag 5-6 time, standby;
S3: the sheet rubber prepared in step S1, S2 is put in mill together, roll spacing is transferred to 0.8-1.3 millimeter and enters
Row is thin logical, plays triangle bag 5-6 time, is blended uniformly, prepares and rubber is blended;
S4: after the blended rubber prepared in step S3 parks 2-3 hour, put in masticator, and put into zinc oxide, tristearin
Acid, age resistor, ointment, flowable, white carbon black carries out mixing with softening agent, dump temperature 130-140 DEG C, prepares rubber master batch;
S5: putting into after being parked 4-6 hour by the rubber master batch glue prepared in S4 in mill, add accelerator, fall glue, by roll spacing in left and right
Being transferred to 0.8-1.3 millimeter carry out thin logical 4-5 time, prepare elastomeric compound, whole process need to open the cooling water recirculation system of mill,
Mixing temperature is made to be less than 45 DEG C;
S6: the elastomeric compound that S5 step prepares is parked, carries out semi-finished product and prepare;
S7: the semi-finished product prepared in step S6 are put into matched moulds sulfuration in mould, prepares vulcanizate;
S8: the vulcanizate prepared in step S7 carries out deburring, inspection after parking no less than 16 hours, obtains high durometer rubber and produces
Product.
Preparation method the most according to claim 5, it is characterised in that described step S4 particularly as follows: in step S3 prepare
After blended rubber parks 2-3 hour, put in masticator, by zinc oxide, stearic acid, age resistor, ointment, flowable, charcoal
Black and softening agent, point puts into for 4-5 time, wants constantly left and right glue, and carries floating weight 2-3 time, stop every time during putting into
Stay the 30-60 second, when sizing material temperature reaches 130-140 DEG C, carry out binder removal, prepare rubber master batch.
Preparation method the most according to claim 5, it is characterised in that the time that in described step S6, elastomeric compound is parked is not
Less than 24 hours.
8. according to the preparation method described in any one of claim 5 ~ 7, it is characterised in that the described curing parameter in the poly-S7 of step
For: temperature is 170 ± 5 DEG C, 5 minutes time, pressure 11-13MPa, aerofluxus 2-3 time.
9. the application of the high durometer rubber as described in top as arbitrary in claim 1 ~ 4, it is characterised in that described high durometer rubber should
For making V-type rubber seal.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107189132A (en) * | 2017-07-11 | 2017-09-22 | 安徽智联管理咨询有限公司 | A kind of abrasion-resistant rubber pedal and preparation method thereof |
CN109575381A (en) * | 2017-09-29 | 2019-04-05 | 中国石油天然气股份有限公司 | Raw material of clamping block body, clamping block and manufacturing method of clamping block |
CN114479215A (en) * | 2022-02-18 | 2022-05-13 | 黄石大成机电设备安装有限公司 | Novel mechanical sealing material and preparation method thereof |
CN115304835A (en) * | 2022-07-21 | 2022-11-08 | 太仓精艺弹簧有限公司 | Anti-aging sealing ring for heat exchange pipeline of compressor |
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CN103289150A (en) * | 2013-05-06 | 2013-09-11 | 广州加士特密封技术有限公司 | Cold-resistant wear-resistant nitrile rubber sealing material and preparation method thereof |
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CN115304835A (en) * | 2022-07-21 | 2022-11-08 | 太仓精艺弹簧有限公司 | Anti-aging sealing ring for heat exchange pipeline of compressor |
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