CN110467780A - Pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber - Google Patents
Pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber Download PDFInfo
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- CN110467780A CN110467780A CN201910828101.0A CN201910828101A CN110467780A CN 110467780 A CN110467780 A CN 110467780A CN 201910828101 A CN201910828101 A CN 201910828101A CN 110467780 A CN110467780 A CN 110467780A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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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- Chemical Kinetics & Catalysis (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber, belongs to rubber materials.Raw material of the present invention closes four octyloxy titaniums according to zinc oxide, stearic acid, polyethylene glycol, anti-aging agent, carbon black N330, vinyltriacetoxy silane, carbon black N774, isopropyl triisostearoyltitanate, two [two (tridecyl) phosphite esters], paraffin oil is added in self-control stirred tank; self-control stirred tank sets that there are two the paddles that rotate in same direction; two paddle revolving speeds are different, complete by heating, standing infiltration pretreating process.Treated that raw material obtains with compounding rubber that product quality is more stable for pre-invasion treatment process of the present invention, and hardness fluctuations range, the fluctuation range of intensity and the elongation fluctuation range of sizing material substantially reduce, and filler dispersion effect is more uniform.
Description
Technical field
The invention belongs to rubber materials, and in particular to infiltrate and pre-process to materials such as filler plasticizer before a kind of compounding rubber
Technique.
Background technique
In order to improve rubber product service performance, improving technique and reduce cost, it is necessary to be added in raw rubber various
Compounding agent.Various compounding agents are added in raw rubber to the process referred to as mixing that rubber compound is made in rubber mixing machine, it is that rubber is raw
Produce one of most important basic technology.
In recent years, in order to improve melting efficiency, mix quality is improved, and reduce energy consumption, to rubber in mixing process
Physicochemical characteristic, rheology principle and mixing facilities conduct in-depth research, to promote the continuous development of calendering process.
Rubber mixing process is actually a kind of modified rubber process.In mixing process, filler is by raw rubber and plasticizer
It infiltrates and disperses, absorption is generated between the active site between raw rubber and filler and combine, raw rubber generates swelling in softening agent, machinery
It is acted on jointly with chemical reaction, dispersion is made to tend towards stability.A series of modifying process are to rubber compound quality and final production
Moral character can play conclusive effect.
Microscopic observation is carried out according to electron microscope, each material forms island dispersion, each material in raw rubber in rubber product
Material is combined by active site chemical bond, forms intermolecular Van der Waals force and part electronics covalent force.It is reacted with general chemistry
Process is the same, the process that combines between each material activity point is needed by external energy, and elapsed time is completed, and between active site
There is the characteristics of similar blind date.
The production process of present rubber compound usually together puts into raw rubber, filler, plasticizer in refining glue machinery, passes through
Rotor or roller carry out shearing agitation or roll, and after a period of time, disperse filler and plasticizer in raw rubber
It is even, use is then taken out, this generates heat by shear history consumption mechanical energy in the process, increases melting effect.
In usual mixing process, the process combined between each material activity point is cut on one side in mixer or open mill
Cut what agitation was completed on one side, this process is since shearing force cannot evenly distribute, so temperature controls very unstable, cohesive process
It can not keep homogeneity；Simultaneously because formation of chemical bond needs time enough to reach certain amount, to extend mixed
The time is refined, consumes excessive energy consumption in shearing agitation, artificial and energy consumption has very big waste.
Summary of the invention
In view of the above deficiencies, the present invention infiltrates pretreated work to materials such as filler plasticizer before providing a kind of compounding rubber
Skill.The technique can guarantee the stabilization of temperature, effectively shorten mixing time, reduce energy consumption.
It includes following raw material that the present invention, which solves technical problem: 13000~16000 parts of zinc oxide, stearic acid 2500~3300
Part, 4300~6300 parts of polyethylene glycol, 3000~4800 parts of anti-aging agent, 110000~130000 parts of carbon black N330, carbon black N774
175000~215000 parts, 175000~215000 parts of paraffin oil, No. 1 3000~4500 parts of size, No. 2 sizes 1150
~2300 parts and No. 3 2400~3600 parts of size.
Above-mentioned raw materials are according to zinc oxide, stearic acid, polyethylene glycol, anti-aging agent, carbon black N330, No. 1 size, carbon black
N774, No. 2 sizes, No. 3 sizes, paraffin oil sequence by feed pipe be added to self-control stirred tank in, the self-control stirring
The autoclave body top of kettle is equipped with feed pipe and storing pipe, and agitating shaft is equipped with inside autoclave body, and the present invention makes stirred tank by oneself and stirs with existing
The difference for mixing kettle is that agitating shaft is two agitating shafts of the concentric different diameters of axle, which is divided into interior agitating shaft and outer stirring
Axis, two agitating shafts are controlled respectively by different motors, and paddle under interior stirring axis connection, lower paddle is in " W " type, are stirred outside
Mix paddle in axis connection, upper and lower paddle rotating Vortex, 156 revs/min of upper paddle stirring rate, lower paddle stirring speed
210 revs/min of rate, so that autoclave body is kept for 105 ± 5 degrees Celsius in stirred tank external heat, stop stirring after stirring 18 minutes, stand 27
Minute makes size reaction sufficiently, and filler and plasticizer reach the effect of impregnation of needs, and then by discharge nozzle discharge, infiltration is pre-
Treatment process is completed, and next step rubber compound compounding procedure can be carried out.
Further, the concrete model of above-mentioned each raw material is zinc oxide (trade mark Japan Jing Shang lime company L-20), stearic
Acid (sells conventional product in trade mark market), polyethylene glycol (trade mark South Korea Leshan PEG4000), anti-aging agent (trade mark German Rhine chemistry
445), carbon black N330 (trade mark Germany Ou Lilong N330), carbon black N774 (trade mark Germany Ou Lilong N774), paraffin oil (trade mark moral
State Chinese sage 1968A), No. 1 size (trade mark Japan XINYUE vinyltriacetoxy silane), No. 2 size (trade mark beauty
Kenrich company, state isopropyl triisostearoyltitanate), No. 3 size (Kenrich companies, the trade mark U.S. two [two (ten
Trialkyl) phosphite ester] close four octyloxy titaniums).
Further, wherein filler includes: zinc oxide, stearic acid, polyethylene glycol, anti-aging agent, carbon black N330, carbon black
N774, No. 1 size, No. 2 sizes, No. 3 sizes；Plasticizer is paraffin oil.In above-mentioned raw materials, filler total amount accounts for pretreatment
The 55-70% of process mixture gross mass, plasticizer total amount account for the 30-45% of pretreatment process mixture gross mass.
Further, pretreatment process need stirring container structure and attachment device (stirred tank, double agitating paddles, motor,
Temperature regulating device, time set, material guiding device, automatic control device) be pretreatment process requirement according to the present invention technology
Parameter (agitating mode, speed of agitator, infiltration temperature, fill order, mixing time, time of repose) design, only to this technique
Process is applicable in.This technique does not give last energy conservation to reactor volume rate and the influence of melting effect is studied, this technique is anti-
Answering kettle plot ratio is 93-98%.
Principle: the present invention can be passed through by the way that filler, plasticizer and size are put into advance in the container of high-speed stirred
Stirring comes into full contact with filler and plasticizer uniformly, avoids in traditional handicraft, and filler, plasticizer, rubber only rely on simultaneously to be turned
Sub- shear agitation and the problem of contact cannot be mixed well；The size with two-phase interface property is added simultaneously, passes through infiltration
The filler blind date interface of agent and filler form covalent relationship, are formed covalently by the plasticizer blind date interface of size and plasticizer
Then relationship makes filler and plasticizer form chelate structure, ties filler sufficiently with plasticizer by the bridging action of size
It is combined, reaches even one island structure.Simultaneously using the method for heating energy supply, make to need a few houres that could complete originally
Size acts on the degree for reaching needs in the shortest time.
The utility model has the advantages that obtaining product quality more using pre-invasion treatment process of the present invention treated raw material and compounding rubber
Add stabilization, hardness fluctuations range, the fluctuation range of intensity and the elongation fluctuation range of sizing material substantially reduce, filler dispersion effect
More uniformly.
Detailed description of the invention
Fig. 1 is the structure chart for infiltrating the reaction kettle of pretreating process.
Such as Fig. 1 feed pipe, 2. discharge nozzles, 3. autoclave bodies, 4. outer agitating shafts, agitating shaft in 5., paddle on 6. stirred under 7.
Mix leaf.
Specific embodiment
The present invention is further qualified combined with specific embodiments below, which is not the limitation present invention.This implementation
The structure of the reaction kettle used in example is as shown in Figure 1.
Since infiltration pretreatment process is added without rubber, and it is verifying infiltration pretreatment process effect, needs to detect mixing
The physical mechanical property of rubber compound afterwards, so in the examples below that, needing to increase rubber material ingredient, crosslinking than summary of the invention
Agent, cross-linking aid ingredient.
The specific brand of the raw material that embodiment uses and model ethylene propylene diene rubber (trade mark Alang Shinco 4869C,
Alang Shinco 4450S), zinc oxide (trade mark Japan Jing Shang lime company L-20), stearic acid (the general trade mark in market), poly- second
Glycol (trade mark South Korea Leshan PEG4000), anti-aging agent (trade mark German Rhine chemistry 445), carbon black N330 (trade mark Germany Ou Lilong
N330), carbon black N774 (trade mark Germany Ou Lilong N774), paraffin oil (trade mark Germany Chinese sage 1968A), No. 1 size (trade mark day
Company, this SHIN-ETSU HANTOTAI vinyltriacetoxy silane), No. 2 size (three iso stearate base metatitanic acids of Kenrich company, the trade mark U.S.
Isopropyl ester), No. 3 sizes (four octyloxy titaniums close in Kenrich company two [two (tridecyl) phosphite esters]), peroxide is handed over
Join agent (trade mark Akzo Nobel N.V. DCP), cross-linking aid (trade mark German Rhine company's T AIC).
The production equipment and detection device that embodiment uses are mixer mill machine production line (the second rubber and plastic of manufacturer Dalian
Machinery Co., Ltd.) vulcanizing press (Dong Yu oil pressure Industrial Co., Ltd) continues your A type durometer (six water chestnut instrument of Shanghai
Factory) rubber tension tester (TaiWan, China High Speed Rail Testing Instruments Co., Ltd) electronic hydrometer (TaiWan, China high-speed rail detector
Device Co., Ltd) carbon black analyzer (TaiWan, China High Speed Rail Testing Instruments Co., Ltd)
Embodiment 1
Without infiltration pretreatment process, by following stated order 300000 grams of zinc oxide 15000 of ethylene propylene diene rubber
Gram, 4500 grams of anti-aging agent, 120000 grams of carbon black N330,195000 grams of carbon black N774,195000 grams of paraffin oil, polyethylene glycol
It 6000 grams, 3000 grams of stearic acid, 8400 grams of crosslinking agent, is kneaded in 4500 grams of addition rubber mixing machines of cross-linking aid；Rubber compound result: mixed
10050 unit of working hour is refined, 195 unit of electric energy is consumed；Sizing material hardness fluctuations section 8A, tensile strength is in 9.8-11.3 megapascal wave
Dynamic, elongation at break fluctuates between 221%-287%, and sizing material specific gravity fluctuates between 1.155-1.195, carbon black dispersion degree
In 6-7 grade.
Embodiment 2
Implement infiltration pretreatment process, 15000 grams of zinc oxide, 3000 grams of stearic acid, Macrogol 6000 gram, anti-aging agent
4500 grams, 120000 grams, No. 1 4020 grams of size of carbon black N330, carbon black N774 195000 grams, No. 2 2180 grams of sizes, 3
Number 3460 grams of size, 195000 grams of paraffin oil be added in self-control stirred tank sequentially through feed pipe 1, upper paddle 6 stirs
156 revs/min of rate are mixed, lower 210 revs/min of 7 stirring rate of paddle, keeps autoclave body holding 105 Celsius in stirred tank external heat
Degree stops stirring after stirring 18 minutes, and standing makes size reaction for 27 minutes sufficiently, and filler and plasticizer reach the infiltration of needs
Effect, then by 2 discharge of discharge nozzle, infiltration pretreating process is completed.
By following stated order 300000 grams of ethylene propylene diene rubber, 548160 grams of infiltration preconditioned mixture addition refining glue
It is kneaded in machine；Rubber compound result: being kneaded 4950 unit of working hour, consumes 84.5 unit of electric energy；Sizing material hardness fluctuations section 3A is stretched
Intensity fluctuates between 13.1-13.7 megapascal, and elongation at break fluctuates between 323%-341%, and sizing material specific gravity is in 1.175-
It is fluctuated between 1.185, carbon black dispersion degree is 9-10 grade (higher grade, and dispersion degree effect is better, and sizing material is more uniform).
The analysis of causes: due to by infiltrating pretreatment process, the ingredients such as the various fillers such as carbon black, additive, plasticizer warp
The stirring for crossing certain rational method, after coming into full contact with, disperse and infiltrating；It heats and energizes further through correct temperature, size exists
Coupled action is formed between filler and plasticizer, is made the covalent interface for forming height blind date between filler and plasticizer, is made to infiltrate pre- place
Reason mixture dispersion is uniform, is tightly combined, and in mixing process, can quickly come into full contact with rubber, quickly form physics
Absorption, greatly speeds up mixing progress, so greatly reducing the energy for being kneaded working hour and consumption.
Simultaneously in infiltration pretreating process, the surface-active point of the fillers such as carbon black is reinforced, and forms many work
Property electronics, more chemical bonding keys can be formed with rubber；Since the surface-active of the fillers such as carbon black increases, the object with rubber
Reason adsorbance also increases, and foring more bound rubbers, (point, it is big around to coat many rubber centered on the fillers such as carbon black
The rubber of strand), two kinds of above-mentioned variations greatly enhance the intensity and elongation of rubber.
Simultaneously because filler and plasticizer respectively mutually disperse highly uniform, in rubber after infiltrating pretreating process
Also it is uniformly dispersed, so forming uniform rubber compound surface and very high carbon black dispersion degree grade after compounding rubber；To make rubber
Glue firmness change section becomes smaller, and specific gravity changing value narrows, and improves the uniformity coefficient of rubber product well, to actual use work
Condition has good improvement, increases the fatigue performance of rubber.
Embodiment 3
Implement infiltration pretreatment process, 15000 grams of zinc oxide, 3000 grams of stearic acid, Macrogol 6000 gram, anti-aging agent
4500 grams, 120000 grams, No. 1 4020 grams of size of carbon black N330, carbon black N774 195000 grams, No. 2 2180 grams of sizes, 3
Number 3460 grams of size, 195000 grams of paraffin oil be added in self-control stirred tank sequentially through feed pipe 1, upper paddle 6 stirs
235 revs/min of rate are mixed, lower 130 revs/min of 7 stirring rate of paddle, keeps autoclave body holding 105 Celsius in stirred tank external heat
Degree stops stirring after stirring 18 minutes, stands 27 minutes, and then by 2 discharge of discharge nozzle, infiltration pretreating process is completed.
By following stated order 300000 grams of ethylene propylene diene rubber, 548160 grams of infiltration preconditioned mixture addition refining glue
It is kneaded in machine；Rubber compound result: being kneaded 7732 unit of working hour, consumes 123.9 unit of electric energy；Sizing material hardness fluctuations section 6A is drawn
It stretches intensity to fluctuate between 10.7-12.5 megapascal, elongation at break fluctuates between 243%- 291%, and sizing material specific gravity exists
It is fluctuated between 1.165-1.185, carbon black dispersion degree is in 7-8 grade.
The analysis of causes: since upper 6 revolving speed of paddle is very fast, lower 7 revolving speed of paddle is slower, will form upper materials self-loopa
State, upper materials are mobile slowly to lower layer, cannot form the Convection states up and down in stirred tank.So material dispersion is unlike reality
It is uniform like that apply example 2.It can be seen that stirring when must descend stirring quickly, form certain material gap, convenient for top material to
Lower part is mobile, at the same lower part material at lower paddle edge to upper compressive, in the same of two paddles formation Stirrings
When, upper and lower storeroom also forms mobile switch.The slewing rate of paddle needs to meet certain ratio up and down simultaneously, could shape
At best stirring.
Embodiment 4
Implement infiltration pretreatment process, 15000 grams of zinc oxide, 3000 grams of stearic acid, Macrogol 6000 gram, anti-aging agent
4500 grams, 120000 grams, No. 1 4020 grams of size of carbon black N330, carbon black N774 195000 grams, No. 2 2180 grams of sizes, 3
Number 3460 grams of size, 195000 grams of paraffin oil be added in self-control stirred tank sequentially through feed pipe 1, upper paddle 6 stirs
156 revs/min of rate are mixed, lower 210 revs/min of 7 stirring rate of paddle, keeps autoclave body holding 75 Celsius in stirred tank external heat
Degree stops stirring after stirring 18 minutes, stands 27 minutes, and then by 2 discharge of discharge nozzle, infiltration pretreating process is completed.
By following stated order 300000 grams of ethylene propylene diene rubber, 548160 grams of infiltration preconditioned mixture addition refining glue
It is kneaded in machine；Rubber compound result: being kneaded 8861 unit of working hour, consumes 145.9 unit of electric energy；Sizing material hardness fluctuations section 5A is drawn
It stretches intensity to fluctuate between 11.1-12.6 megapascal, elongation at break fluctuates between 234%- 283%, and sizing material specific gravity exists
It is fluctuated between 1.165-1.185, carbon black dispersion degree is in 8-9 grade.
The analysis of causes: since the additional heat function temperature of stirred tank is lower, so size activity is insufficient, to fillers such as carbon blacks
The blind date interface formed between plasticizer is less, while the surface-active of the fillers such as carbon black is insufficient, the valence bond formed with rubber
Less with physical absorption point, the tensile strength of rubber and elongation at break raising are worth no embodiment 2 greatly.
Embodiment 5
Implement infiltration pretreatment process, 15000 grams of zinc oxide, 3000 grams of stearic acid, Macrogol 6000 gram, anti-aging agent
4500 grams, 120000 grams, No. 1 4020 grams of size of carbon black N330, carbon black N774 195000 grams, No. 2 2180 grams of sizes, 3
Number 3460 grams of size, 195000 grams of paraffin oil be added in self-control stirred tank sequentially through feed pipe 1, upper paddle 6 stirs
156 revs/min of rate are mixed, lower 210 revs/min of 7 stirring rate of paddle, keeps autoclave body holding 105 Celsius in stirred tank external heat
Degree stops stirring after stirring 25 minutes, and then by 2 discharge of discharge nozzle, infiltration pretreating process is completed.
By following stated order 300000 grams of ethylene propylene diene rubber, 548160 grams of infiltration preconditioned mixture addition refining glue
It is kneaded in machine；Rubber compound result: being kneaded 5533 unit of working hour, consumes 97.3 unit of electric energy；Sizing material hardness fluctuations section 4A is stretched
Intensity fluctuates between 11.4-12.5 megapascal, and elongation at break fluctuates between 257%-297%, and sizing material specific gravity is in 1.175-
It is fluctuated between 1.190, carbon black dispersion degree is in 7-8 grade.
The analysis of causes: although mixing time is longer than embodiment 2, just carrying out discharge without standing process, cause filler,
Combination and reaction process between the materials such as plasticizer and size is too short, and size reacts insufficient, the fillers such as carbon black and increasing
Deficiency is combined between modeling agent, the filler surfaces such as carbon black activity degree is insufficient, so infiltration pretreating effect is poor.Therefore infiltration pretreatment work
In sequence, it is essential that standing, which parks link,.
Above-described embodiment is only intended to citing and explanation of the invention, and is not intended to limit the invention to described
In scope of embodiments.Furthermore it will be appreciated by persons skilled in the art that the present invention is not limited to the above embodiment, according to this hair
Bright introduction can also make more kinds of variants and modifications, these variants and modifications all fall within present invention model claimed
In enclosing.
Claims (4)
1. infiltrating pretreated technique to materials such as filler plasticizer before a kind of compounding rubber, which is characterized in that raw material
Self-control reaction kettle is added to by feed pipe (1) according to the sequence of filler, plasticizer, wherein filler include: zinc oxide 13000~
16000 parts, 2500~3300 parts of stearic acid, 4300~6300 parts of polyethylene glycol, 3000~4800 parts of anti-aging agent, carbon black
N330110000~130000 part, 3000~4500 parts of vinyltriacetoxy silane, carbon black N774175000~215000
Part, 1150~2300 parts of isopropyl triisostearoyltitanate, two [two (tridecyl) phosphite esters] close four octyloxy titaniums
2400~3600 parts and in the order described above by feed pipe (1) be added sequentially self-control reaction kettle；Plasticizer be 175000~
215000 parts of paraffin oils are finally added to agitating and heating in self-control stirred tank, are discharged after standing by discharge nozzle (2), infiltrate pre- place
The technique of reason is completed.
2. pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber according to claim 1,
It being characterized in that, self-control stirred tank is that agitating shaft is two agitating shafts of the concentric different diameters of axle from the difference of existing stirred tank,
The agitating shaft is divided into interior agitating shaft (5) and outer agitating shaft (4), and two agitating shafts are controlled respectively by different motors, interior stirring
Axis (5) connects lower paddle (7), paddle (6) in outer agitating shaft (4) connection, upper and lower paddle rotating Vortex, upper paddle
(6) 156 revs/min of stirring rate, 210 revs/min of stirring rate of lower paddle (7), mixing time are 18 minutes.
3. pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber according to claim 1,
It is characterized in that, stirred tank heating temperature is 100~110 degrees Celsius, and the time that standing is completed in heating is 27 minutes.
4. pretreated technique is infiltrated to materials such as filler plasticizer before a kind of compounding rubber according to claim 1,
It is characterized in that, filler total amount accounts for the 55-70% of above-mentioned raw materials gross mass, and plasticizer total amount accounts for the 30- of above-mentioned raw materials gross mass
45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828101.0A CN110467780B (en) | 2019-09-03 | 2019-09-03 | Process for soaking and pretreating filler plasticizer and other materials before rubber mixing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828101.0A CN110467780B (en) | 2019-09-03 | 2019-09-03 | Process for soaking and pretreating filler plasticizer and other materials before rubber mixing |
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| CN110467780A true CN110467780A (en) | 2019-11-19 |
| CN110467780B CN110467780B (en) | 2022-04-08 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554752A (en) * | 2008-04-09 | 2009-10-14 | 冯志军 | Stirring transport tank |
| CN102875906A (en) * | 2012-10-10 | 2013-01-16 | 天津鹏翎胶管股份有限公司 | Ethylene-propylene-diene monomer composition with limiting temperature of 175 DEG C for vehicle rubber pipe |
| JP2014223581A (en) * | 2013-05-16 | 2014-12-04 | 株式会社井上製作所 | Low shear type concentric biaxial mixer |
-
2019
- 2019-09-03 CN CN201910828101.0A patent/CN110467780B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101554752A (en) * | 2008-04-09 | 2009-10-14 | 冯志军 | Stirring transport tank |
| CN102875906A (en) * | 2012-10-10 | 2013-01-16 | 天津鹏翎胶管股份有限公司 | Ethylene-propylene-diene monomer composition with limiting temperature of 175 DEG C for vehicle rubber pipe |
| JP2014223581A (en) * | 2013-05-16 | 2014-12-04 | 株式会社井上製作所 | Low shear type concentric biaxial mixer |
Non-Patent Citations (1)
| Title |
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| 张世玲、龚晓莹主编: "《高分子材料成型技术》", 30 September 2016, 中国建材工业出版社 * |
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Denomination of invention: A process for pre-treatment of fillers, plasticizers and other materials before rubber mixing Effective date of registration: 20220607 Granted publication date: 20220408 Pledgee: Dalian technology Financing Guarantee Co.,Ltd. Pledgor: DALIAN YIDA PRECISION RUBBER PRODUCTS CO.,LTD. Registration number: Y2022980007166 |
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Date of cancellation: 20230731 Granted publication date: 20220408 Pledgee: Dalian technology Financing Guarantee Co.,Ltd. Pledgor: DALIAN YIDA PRECISION RUBBER PRODUCTS CO.,LTD. Registration number: Y2022980007166 |
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Denomination of invention: A process for soaking and pre-treatment of fillers, plasticizers, and other materials before rubber mixing Effective date of registration: 20230801 Granted publication date: 20220408 Pledgee: China Merchants Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN YIDA PRECISION RUBBER PRODUCTS CO.,LTD. Registration number: Y2023210000188 |
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