CN106608987A - Engine suspension rubber material and preparation method thereof - Google Patents
Engine suspension rubber material and preparation method thereof Download PDFInfo
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- CN106608987A CN106608987A CN201610778576.XA CN201610778576A CN106608987A CN 106608987 A CN106608987 A CN 106608987A CN 201610778576 A CN201610778576 A CN 201610778576A CN 106608987 A CN106608987 A CN 106608987A
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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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- 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
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
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- 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
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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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Abstract
The invention provides an engine suspension rubber material and a preparation method thereof. The engine suspension rubber material comprises the following raw materials by weight: 100 parts of smoke sheet rubber, 3-5 parts of zinc oxide, 1.5-3 parts of stearic acid, 1.0-1.5 parts of an anti-aging agent 77PD, 0.8-2 parts of an anti-aging agent S-TMQ, 1.0-2.0 parts of an anti-aging agent MB, 2.0-5.0 parts of paraffin, 20-60 parts of carbon black, 5-10 parts of modified white carbon black R300, 3-10 parts of naphthenic oil T3367, 0.5-1 part of a dispersant 42M, 1.5-3 parts of a silane coupling agent, 2.0-2.5 parts of sulfur, 0.8-1.5 parts of an accelerator CBS, 0.2-0.5 part of an accelerator DM, 0.2-0.5 part of an anti-vulcanization reductant PK900. Through the efficient protective effect of the anti-aging agent 77PD and anti-aging agent S-TMQ, the protective synergistic effect of the anti-aging agent MB, the softening plasticization performance of the high viscosity and high flash point naphthenic oil T3367, as well as simultaneous use of a common vulcanization system and the anti-vulcanization reductant PK900, the dynamic fatigue durability and heat resistance of the engine suspension rubber material are improved, and the engine suspension colloid prepared from the engine suspension rubber material has good high temperature durability.
Description
Technical field
The present invention relates to engine mounting manufacturing technology field, more particularly to a kind of engine mounting sizing material.The present invention is also
It is related to a kind of method for preparing the engine mounting sizing material.
Background technology
Engine mounting refers to power assembly (including engine, clutch and speed changer etc.) and vehicle frame or vehicle body between
Elastic connection structure, the quality of engine mounting is directly connected to the vibrations transmission between engine and car body, affects car load
NVH performances.Good engine mounting should fully reduce vibrations, the noise because engine causes, and elongated component
Service life.The basic function of engine mounting is to fix and support power assembly, is born inside power assembly because of engine
Reciprocal inertia force and torque that rotation and translatory mass are produced, and bear all that power assembly is acted in vehicle traveling process
Dynamic force.Meanwhile, engine mounting can also isolate the vehicle frame or vehicle body vibrations caused due to Engine Excitation, isolate due to road
Vibrations the transmitting to power assembly that face unevenness and wheel are caused by road shocks.
At present, wide variety of engine mounting is still rubber mounting, and the interior friction of rubber will be far above metal material, therefore
It can effective damping vibrations, the vibrations that impact is produced is stopped as early as possible, and can effectively isolate the vibrations of engine.Natural rubber
Glue is the natural macromolecular material with isoprene as main component obtained from natural plants, and it has excellent resilience
Property, dynamic loss is little, the low feature of the output ratio of Q-switching to free running, is one of the rubber for being best suitable for engine mounting.
But natural rubber is used as the high unsaturated rubber of dienes, its heat resistance and ozone resistance are poor so that rubber
Life-span be severely impacted.For common rubber mounting, the poor durability of rubber, colloid part branch occurs out in use
Split, so as to cause to suspend the increase of stiffness variation amount, in driving conditions can not effective shock insulation, and cause car load to occur seriously to shake.
For fluid-tight suspension, can subside with metalwork after colloid failure ruptures, the liquid in suspension flows out, so as to cause engine
Disequilibrium, and then it is unstable that power assembly is supported, and steering wheel and car body is shaken seriously in idling, will directly influence
The damping effect of suspension, and the comfortableness of automobile.
To improve the heat resistance of natural rubber, conventional solution is and uses heat resistant type rubber, such as EPDM, or uses
Oxide curative systems, but because EPDM differs greatly with natural rubber degree of unsaturation, are difficult to realize co-vulcanization, rubber it is resistance to
Long property can not meet requirement.In peroxide vulcanizing system, cross-bond is carbon-carbon bond in vulcanized rubber, and bond energy is big compared with polysulfide bond,
It is heat-resist, but because strand is single during dynamic long duration test, stress does not can be uniformly dispersed, so as to cause strand easy
Fracture, dynamic fatigue is not good, and especially initiated failure time to rupture is short so that rubber durability can not meet requirement.
Existing yielding rubber generally with antioxidant 4020 and RD and to improve dynamic fatigue and ozone resistance, but typically
RD effective contents are relatively low, and it is difficult to meet under high temperature, i.e., the property at 90～120 DEG C, and the content for increasing RD can then affect mixing
Vulcanization of rubber speed and degree, can carry out harmful effect to material strips.Additionally, the rigidity requirement different in order to meet suspension, rubber
Material will also have different hardness, and natural rubber basis hardness is generally 40 degree, is ensureing the characteristics such as rigidity, damping characteristic
Meet on the premise of requiring, a certain amount of plasticizer, but plasticizer need to be added for small-molecule substance, under the high temperature conditions small molecule
Material easily separates out volatilization, so as to the rigidity that can cause rubber increases, and produces harmful effect to the NVH performances of car load.
The content of the invention
In view of this, it is contemplated that proposing a kind of engine mounting sizing material, have can engine mounting colloid part
There is preferable high temperature durability.
To reach above-mentioned purpose, the technical scheme is that what is be achieved in that：
A kind of engine mounting sizing material, it includes following raw material：
Smoke sheet rubber：100 parts, zinc oxide：3～5 parts, stearic acid：1.5～3 parts, age resistor 77PD:1.0～1.5 parts, prevent old
Agent S-TMQ：0.8～2 part, antioxidant MB：1.0～2.0 parts, paraffin：2.0～5.0 parts, carbon black：20～60 parts, modified white carbon black
R300:5～10 parts, naphthenic oil T3367：3～10 parts, dispersant 42M：0.5～1 part, silane coupler：1.5～3 parts, sulphur：
2.0～2.5 parts, accelerator CBS：0.8～1.5 part, altax：0.2～0.5 part, sulfuration resistant reducing agent PK900:0.5～
1.5 part.
Further, described smoke sheet rubber adopts Thailand smoke sheet rubber RSS3.
Further, described carbon black is the one kind in carbon black N550, carbon black N330, carbon black N774.
Further, the engine mounting sizing material includes following raw material：Thailand smoke sheet rubber RSS3：100 parts, oxidation
Zinc：5 parts, stearic acid：2 parts, age resistor 77PD:1 part, age resistor S-TMQ：1.5 parts, antioxidant MB：1.5 parts, paraffin：2 parts, charcoal
Black N330：20 parts, modified white carbon black R300:5 parts, naphthenic oil T3367：5 parts, dispersant 42M：1 part, silane coupler：2 parts,
Sulphur：2 parts, accelerator CBS：1.2 parts, altax：0.2 part, sulfuration resistant reducing agent PK900:0.5 part.
Engine mounting sizing material of the present invention adopts smoke sheet rubber, and its intensity is higher, it is possible to increase the drawing of suspension sizing material
Stretch intensity, to ensure the relatively low output ratio of Q-switching to free running of engine mounting under high intensity, and improve product survivability.This engine hangs
Put sizing material and adopt modified white carbon black R300 to improve the dynamic fatigue of sizing material, R300 is a kind of by high temperature gas phase method manufacture
Extraordinary fume colloidal silica, its average grain diameter is 150nm, and specific surface area is about 20 ㎡/g, compared with conventional filler, R300's
Primary particle is larger, and the contact area between particle is less, main by weaker Van der Waals force rather than stronger between particle
Chemistry is bonded, and particle is spherical in shape, thus its very easy dispersion, in addition the interior friction of its particle is also less, can be effective
Improve the fatigue performance of vulcanized article.Meanwhile, R300 can also improve dispersion of the fillers such as carbon black in sizing material, and can improve
The fatigue durability of vulcanized article.
The engine mounting sizing material of the present invention, addition dispersant 42M can improve carbon black and modified white carbon black R300 in sizing material
In dispersiveness, and can reduce because of the problem of durability decline caused by the uneven institute of dispersion.It is anti-old using four kinds in the present invention
Agent 77PD, S-TMQ, MB, the protection system of paraffin, age resistor 77PD be diaryl class PPD, its situation in equal consumption
Under can understand more ozone molecules, while reflect speed also faster.Age resistor S-TMQ is high-load age resistor TMQ, and its is effective
2nd, tripolymer content is more than 70%, much larger than conventional TMQ40% effective two, tripolymer content, so as to can be in equal consumption
In the case of obtain more preferably protection effect.Antioxidant MB is often used as the second age resistor, and it is with TMQ and use can be played and cooperate with work
With, and the excellent fluidisation rubber of thermal-oxidative aging property is obtained.Age resistor paraffin is physical antioxidant, and in use it can
Rubber surface is constantly separated out, and isolation ozone can be played a part of and contacted with rubber macromolecule.
Because of sound when rigidity requirement in engine mounting sizing compound formula, ordinary rubber hardness is controlled at 45～55 degree,
It is volatile under the high temperature conditions because the softening plasticizer for softening for sizing material and plasticity is lifted is small-molecule substance, cause rubber
Hardness can increase after glue product heat ageing, thus soften the flash-point of plasticizer, viscosity and with the factor pair such as the intermiscibility of rubber
The heat resistance of vulcanized rubber is most important.Soften plasticizer in the present invention and adopt high viscosity high-flash naphthenic oil T3367, naphthenic oil
T3367 open flash points are 230 DEG C, 40 DEG C of viscosity 360mm2, it can keep sizing material hardness in control range, and can avoid glue
The increase of hardness after material heat ageing.
In the formula of Heat resistant rubber, the selection of vulcanizing system should ensure that to form sufficient amount and stable crosslinking first
Network, different fluidisation systems produce different cross-bonds, thus cause heat endurance and dynamic fatigue durability difference also compared with
Greatly.It is 353KJ/mol as peroxide vulcanizing system forms carbon-carbon bond bond energy, efficient vulcanization system forms monosulfidic bond bond energy and is
286KJ/mol, SE curing system forms cystine linkage bond energy for 270KJ/mol, conventional vulcanization System forming polysulfide bond bond energy
For 115KJ/mol, therefore consider the heat resistance of vulcanized rubber, peroxide vulcanizing system ＞ efficient vulcanization system ＞ from molecular theory
SE curing system ＞ conventional vulcanization systems, but above-mentioned is only to reflect the heat oxygen aging resistance situation under static state, and dynamic is tired
The characteristic of labor and not only in this.
In rubber, molecule chain break can't directly result in macroscopic failure, and chain rupture is also not random, and
It is the most chain rupture easily where chain rupture first, if the deformation of rubber monotonously increases to relatively large, it is a certain special to have
There are more chain ruptures in part, macroscopic cracking also just occurs from here on.But in fatigue process, rubber is causing
The a cycle of crack growth, if stress is uninstalled completely before being sufficiently destroyed, the stress that the chain that now ruptures is born is simultaneously
It is not completely transferred in adjacent chain, but it is average in whole system, thus just have the possibility being crosslinked again at chain rupture.It is special
It is not that, for polysulfide bond, because its free radical is more, and bond energy is low, thus the probability being crosslinked again is larger, while in cross-linking process again
In, may also function as discharging the effect of stress, therefore its breakdown point forms relatively slow, it is later that Macroscopic occurs, and shows preferably
Fatigue durability.
Therefore, the heat resistance and dynamic fatigue of material are considered, the present invention adopts sulphur, silane coupler, promotion
The conventional vulcanization system that agent CBS and altax are constituted improving the dynamic fatigue of sizing material, and also pass through and with sulfuration resistant also
Former agent PK900 improves its heat resistance.Sulfuration resistant reducing agent PK900 is not involved in cross-linking reaction in sulfidation, and when friendship of being heated
Sulfuration resistant reducing agent PK900 starts to be crosslinked again with the conjugated diene generation chemical reaction of cross-linking reaction generation after connection key disconnects,
And long cross-bond is formed, so as to play a part of to improve sizing material heat resistance.
In sum, engine mounting sizing material of the invention is made by the high efficient protected of age resistor 77PD, age resistor S-TMQ
With, the protection synergistic effect of antioxidant MB, high viscosity, the softening plasticising performance of high-flash naphthenic oil T3367, and conventional vulcanization
System and sulfuration resistant reducing agent be PK900's and use can improve the dynamic fatigue durability and heat resistance of sizing material, and makes to be made from it
Engine mounting colloid there is preferable high temperature durability.
Meanwhile, present invention also offers the method for preparing engine mounting sizing material as above, it adopts rubber two-stage
Method calendering process, and comprise the steps：
A sections glue is kneaded, and is first put into smoke sheet rubber and knead in banbury 45～75s, then is put into zinc oxide, stearic acid, prevented old
Agent 77PD, age resistor S-TMD, antioxidant MB, paraffin, modified white carbon black R300, naphthenic oil T3367, dispersant 42M, silane idol
Connection agent and sulfuration resistant reducing agent PK900 knead 105～135s, continue to put into carbon black and naphthenic oil T3367 kneads 225～255s extremely
125～140 DEG C, dumping, into mill slice；
B sections glue is kneaded, and A sections glue is put into into 45～75s of mixer mixing, then puts into sulphur, accelerator CBS and altax
225～240s of mixing, treats that glue temperature drop, to less than 110 DEG C dumpings, into mill slice, is cooled down, air-dried.
Further, it is input zinc oxide, stearic acid, age resistor 77PD, age resistor S-TMD, anti-old in the mixing of A sections glue
Agent MB, paraffin, modified white carbon black R300, naphthenic oil T3367, dispersant 42M, silane coupler and sulfuration resistant reducing agent PK900
When sizing material temperature be more than 80 DEG C.
Further, in the mixing of A sections glue, sizing material temperature when putting into carbon black and naphthenic oil T3367 is more than 80 DEG C.
The engine mounting sizing material preparation method of the present invention, by two-phase method calendering process, and limits the mixed of raw material components
Addition opportunity, the addition sequence of conjunction order and accelerator, sulphur etc., makes fully coordinate between each raw material components, plays collaboration
Effect, improves the overall performance of sizing material, while limiting the operating parameters such as raw material input and dump temperature, mixing time, can make to obtain
The engine mounting properties of rubber for obtaining is more excellent.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment and the feature in embodiment in the present invention can phase
Mutually combination.
The present embodiment is related to a kind of engine mounting rubber, and its component is as shown in the table, gives and this reality simultaneously in table
The component for applying the control case that the engine mounting rubber components of example are contrasted is constituted.
As seen from the above table, there is preferably dynamic tired by the engine mounting sizing material obtained by the raw material proportioning of the present invention
Labor durability and heat resistance, and the engine mounting colloid that can make to be made from it has preferable high temperature durability.
The preparation method of the engine mounting sizing material of the present embodiment adopts rubber two-stage method calendering process, and including following step
Suddenly：
A sections glue is kneaded, and is first put into smoke sheet rubber and knead in banbury 45～75s, then is put into zinc oxide, stearic acid, prevented old
Agent 77PD, age resistor S-TMD, antioxidant MB, paraffin, modified white carbon black R300, naphthenic oil T3367, dispersant 42M, silane idol
Connection agent and sulfuration resistant reducing agent PK900 knead 105～135s, continue to put into carbon black and naphthenic oil T3367 kneads 225～255s extremely
125～140 DEG C, dumping, into mill slice；
B sections glue is kneaded, and A sections glue is put into into 45～75s of mixer mixing, then puts into sulphur, accelerator CBS and altax
225～240s of mixing, treats that glue temperature drop, to less than 110 DEG C dumpings, into mill slice, is cooled down, air-dried.
Wherein, A sections glue mixing in, input zinc oxide, stearic acid, age resistor 77PD, age resistor S-TMD, antioxidant MB,
Glue when paraffin, modified white carbon black R300, naphthenic oil T3367, dispersant 42M, silane coupler and sulfuration resistant reducing agent PK900
Material temperature degree should be greater than 80 DEG C, and sizing material temperature when putting into carbon black and naphthenic oil T3367 also should be greater than 80 DEG C.
In the present embodiment, via above-mentioned engine mounting sizing material preparation method, the engine mounting sizing material of acquisition can be made
Can be more excellent, and be conducive to improving the use quality of engine mounting.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (7)
1. a kind of engine mounting sizing material, it is characterised in that including following raw material：
Smoke sheet rubber：100 parts, zinc oxide：3～5 parts, stearic acid：1.5～3 parts, age resistor 77PD:1.0～1.5 parts, age resistor S-
TMQ：0.8～2 part, antioxidant MB：1.0～2.0 parts, paraffin：2.0～5.0 parts, carbon black：20～60 parts, modified white carbon black
R300:5～10 parts, naphthenic oil T3367：3～10 parts, dispersant 42M：0.5～1 part, silane coupler：1.5～3 parts, sulphur：
2.0～2.5 parts, accelerator CBS：0.8～1.5 part, altax：0.2～0.5 part, sulfuration resistant reducing agent PK900:0.5～
1.5 part.
2. engine mounting sizing material according to claim 1, it is characterised in that：Described smoke sheet rubber adopts Thailand's smoke sheet rubber
RSS3。
3. engine mounting sizing material according to claim 2, it is characterised in that：Described carbon black is carbon black N550, carbon black
One kind in N330, carbon black N774.
4. the engine mounting sizing material stated according to claim 3, it is characterised in that including following raw material：Thailand's smoked sheet
Glue RSS3：100 parts, zinc oxide：5 parts, stearic acid：2 parts, age resistor 77PD:1 part, age resistor S-TMQ：1.5 parts, antioxidant MB：
1.5 parts, paraffin：2 parts, carbon black N330：20 parts, modified white carbon black R300:5 parts, naphthenic oil T3367：5 parts, dispersant 42M：1
Part, silane coupler：2 parts, sulphur：2 parts, accelerator CBS：1.2 parts, altax：0.2 part, sulfuration resistant reducing agent PK900:
0.5 part.
5. a kind of method for preparing engine mounting sizing material as claimed in claim 1, it is characterised in that the method adopts rubber
Two-phase method calendering process, and comprise the steps：
A sections glue is kneaded, and is first put into smoke sheet rubber and knead in banbury 45～75s, then puts into zinc oxide, stearic acid, age resistor
It is 77PD, age resistor S-TMD, antioxidant MB, paraffin, modified white carbon black R300, naphthenic oil T3367, dispersant 42M, silane coupled
Agent and sulfuration resistant reducing agent PK900 knead 105～135s, continue to put into carbon black and naphthenic oil T3367 kneads 225～255s extremely
125～140 DEG C, dumping, into mill slice；
B sections glue is kneaded, and A sections glue is put into into 45～75s of mixer mixing, then puts into the mixing of sulphur, accelerator CBS and altax
225～240s, treats that glue temperature drop, to less than 110 DEG C dumpings, into mill slice, is cooled down, air-dried.
6. the preparation method of engine mounting sizing material according to claim 5, it is characterised in that：In the mixing of A sections glue, input
Zinc oxide, stearic acid, age resistor 77PD, age resistor S-TMD, antioxidant MB, paraffin, modified white carbon black R300, naphthenic oil
Sizing material temperature when T3367, dispersant 42M, silane coupler and sulfuration resistant reducing agent PK900 is more than 80 DEG C.
7. the preparation method of engine mounting sizing material according to claim 5, it is characterised in that：In the mixing of A sections glue, input
Sizing material temperature when carbon black and naphthenic oil T3367 is more than 80 DEG C.
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| CN201610778576.XA CN106608987A (en) | 2016-08-31 | 2016-08-31 | Engine suspension rubber material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107540886A (en) * | 2017-08-25 | 2018-01-05 | 上海众力投资发展有限公司 | A kind of car engine suspension rubber composition |
| CN107619507A (en) * | 2017-09-04 | 2018-01-23 | 亚新科噪声与振动技术（安徽）有限公司 | One kind is used for high heat-resisting natural gum materials of engine mounting and preparation method thereof |
| CN107746479A (en) * | 2017-10-20 | 2018-03-02 | 博戈橡胶金属（上海）有限公司 | A kind of high viscosity rubber and preparation method for engine mounting |
| CN108641127A (en) * | 2018-04-24 | 2018-10-12 | 博戈橡胶金属（上海）有限公司 | A kind of silicon substrate heat resistant rubber and preparation method thereof for gear box suspension |
| CN108948447A (en) * | 2018-05-04 | 2018-12-07 | 杭州前进联轴器有限公司 | A kind of ship machinery highly elastic shaft coupling rubber and its vulcanization preparation method |
| CN110358155A (en) * | 2019-07-05 | 2019-10-22 | 诺博橡胶制品有限公司 | Low output ratio of Q-switching to free running sizing material and preparation method thereof and mounting structure |
| CN112280113A (en) * | 2020-10-28 | 2021-01-29 | 诺博橡胶制品有限公司 | Rubber material for engine mount, preparation method of rubber material, engine mount and automobile |
| CN112940357A (en) * | 2021-02-20 | 2021-06-11 | 中国重汽集团济南动力有限公司 | Rubber material with good thermal aging resistance and long fatigue life and application |
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| CN102838787A (en) * | 2012-09-25 | 2012-12-26 | 上海众力投资发展有限公司 | Rubber composition for automobile chassis control arm bushing |
| CN102924765A (en) * | 2012-11-23 | 2013-02-13 | 上海众力投资发展有限公司 | Suspension rubber composite for automobile and processing process for same |
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