CN106146921A - A kind of natural rubber cushion blocking material and preparation method thereof - Google Patents
A kind of natural rubber cushion blocking material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of natural rubber cushion blocking material, its raw material includes by weight: natural rubber, 19 28 parts；White carbon black, 7 12 parts；Fine particle calcium carbonate, 6 13 parts；Stearic acid, 0.2 0.5 parts；Age resistor, 0.1 0.3 parts；Sulfur, 0.1 0.3 parts；Accelerator, 0.3 0.5 parts；Vulcanization aid, 0 0.1 parts；Coumarone indene resin, 0.5 1 parts；Operation oil, 37 parts.Described natural rubber cushion blocking material has a weather resistance of good effectiveness in vibration suppression and excellence, and radial strength is high simultaneously, hardness is moderate, good springiness, service life are long.The invention also discloses the preparation method of a kind of natural rubber cushion blocking material.
Description
Technical field
The present invention relates to technical field of rubber material, particularly a kind of natural rubber cushion blocking material and preparation thereof
Method.
Background technology
Vibration isolation rubber goods are usually used in the industrial production sectors such as railway transport vehicle, automobile, machinery, and it passes through
Absorb or cut down the vibrations produced by motion by the high-damping effect of goods, thus reaching the purpose of damping.
In vibration isolation rubber goods most commonly seen with cushion blocking, such as automobile engine works when, piston is at gas
Reciprocating motion, the burning of cylinder fuel and other moving component in cylinder all can cause with the motion of piston rod
Electromotor high vibration.If electromotor is directly connected on chassis, chassis can be made also and then to shake, shadow
Ring the handling and comfortableness of automobile.Cushion blocking is installed between automobile engine and chassis, to utilize vibration damping
The elastic deformation of pad absorbs the vibrations that electromotor produces, and is conducive to protection electromotor and improves vehicle ride
Comfortableness.
Along with the development of modern industry, people are more and more stricter to the requirement of automobile, it is desirable to vehicle can be various
Under the conditions of all there is extreme shock performance.Cushion blocking as part requisite in the industry such as Hyundai Motor it
One, more and more higher to cushion blocking material requirements.At present, cushion blocking because be often exposed in air,
Affected bigger by amblent air temperature.Time simultaneously along with the motion of car, can be at the radial surface of described vibration-damping sheet
The great pressure of upper generation, easily makes cushion blocking be deformed, the phenomenon such as aging even cracking, thus affects
Effectiveness in vibration suppression, causes vehicle vibration, even if changing damping pad frequently, too increasing cost, more can make
Become the inconvenience of user.The cushion blocking of quality of rubber materials in use affects due to fricative heat simultaneously,
Hold and the most easily can produce be full of cracks, be unfavorable for the service life of quality of rubber materials cushion blocking.
The cushion blocking material of existing technology is mostly to use neoprene or butylbenzene, butadiene rubber making, rubber
Glue hardness is higher, and compression stress is bigger than normal, and damping effect is poor, and have also mixes partial regeneration glue, with low quality.
Owing to above-mentioned rubber is weak to ozone, is weak to weather, and compression set poor-performing, loss of properties on aging,
Damping property is weak and is difficult to be applicable to special working condition.For this reason, it may be necessary to one can solve the problem that the problems referred to above
Rubber damper, and how to work out a kind of rubber damper and preparation method thereof so that this cushion blocking
Damping, buffering hardness is moderate, intensity is high, percentage elongation is big, resistance to ozone aging, Weather-resistant, compression stress
Being worth moderate, to improve the balance of running car, comfort level and endurance life, this has become this technology at present
The technical problem that field is urgently to be resolved hurrily.
Summary of the invention
The present invention proposes a kind of natural rubber cushion blocking material and preparation method thereof, described natural rubber vibration damping
Cushion material has the weather resistance of good effectiveness in vibration suppression and excellence, radial strength is high simultaneously, hardness is moderate,
Good springiness, service life are long.
A kind of natural rubber cushion blocking material that the present invention proposes, its raw material includes by weight:
In a specific embodiment, the weight portion of natural rubber can be 20,21,22,23,24,25,
26、27；The weight portion of white carbon black can be 7.2,8.3,9.5,10.1,10.9,11.2,11.8；Fine particle calcium carbonate
Weight portion can be 6.5,7.5,8.5,9.5,10.5,11.5,12.5；Stearic weight portion can
Think 0.22,0.28,0.31,0.36,0.42,0.45；The weight portion of age resistor can be 0.12,0.16,
0.18、0.22、0.24、0.26、0.28；The weight portion of sulfur can be 0.11,0.13,0.15,0.17,
0.21、0.23、0.25、0.27、0.29；The weight portion of accelerator can be 0.31,0.34,0.36,
0.39、0.43、0.45、0.47、0.49；The weight portion of vulcanization aid can be 0.01,0.02,0.03,
0.04、0.05、0.06、0.07、0.08、0.09；The weight portion of coumarone indene resin is 0.53,0.55,
0.58、0.64、0.69、0.75、0.83、0.88、092、0.97；The weight portion of operation oil can be 3.2,
3.5、4.2、4.9、5.5、6.1、6.2、6.5、6.8。
Possibly together with the conjugated diene rubber less than 10% percentage by weight, described conjugation in described natural rubber
Diene series rubber is selected from one or more in butadiene rubber, isoprene rubber and neoprene.
Preferably, in described natural rubber possibly together with the neoprene of 6% percentage by weight.
Preferably, described white carbon black is made up of white carbon black N330 and white carbon black N772, white carbon black N330 and white carbon black N772
Weight proportion be 1:5-7.
Preferably, described accelerator is by thuriam acceserator, thiazole accelerator and Thiourea accelerator
In one or more composition, described age resistor is by antioxidant 4010, antioxidant 4010NA, age resistor
4020, the composition of one or more in age resistor 3100；Wherein, described thuriam acceserator is selected from two
Sulfuration tetra methylthiuram, tetraethylthiuram disulfide, tetramethylthiuram monosulfide, four sulfuration tetramethyls
Base thiuram and four vulcanizes one or several in (1,5-pentylidene) thiurams；Described thiazoles promotes
Agent is selected from MBT, dibenzothiazyl disulfide, N, N-diisopropyl-2-[4-morpholinodithio time sulphur
One or several in amide, N tert butyl benzothiazole 2 sulfenamide；Described Thiourea accelerator selects
One or several in 1,2-ethylene thiourea, N, N-di-n-butyl thiourea and rhenocure CA.
Preferably, the weight proportion of sulfur and accelerator is 1:1-5.
Preferably, described vulcanization aid is made up of metal-oxide and adjuvant, it is preferable that described sulfuration
Auxiliary agent is made up of zinc oxide and 2-mercaptoimidazoline, and the weight proportion of zinc oxide and 2-mercaptoimidazoline is 1:
0.8-1.2。
Preferably, described operation oil is paraffin oil, and the paraffin content in paraffin oil is 65-70%, arene content
For 3-8%, naphthene content is 25-30%, and the kinematic viscosity at 100 DEG C is 5-20mm2/ s, is preferably
10-20mm2/s。
The invention allows for the preparation method of a kind of above-mentioned natural rubber cushion blocking material, comprise the steps:
S1, natural rubber is put into and banbury is plasticated after uniformly, sequentially add fine particle calcium carbonate, stearic acid, anti-
Old agent, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, mixing uniformly, discharge, cold
But masterbatch is obtained；
S2, the masterbatch obtained by S1 are put in mill, add sulfur, mixing uniformly, slice, cold
But, finished composition is obtained；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, vulcanize, and sulfuration cools down after terminating
To room temperature, the demoulding obtains described fourth natural rubber cushion blocking material.
Preferably, the preparation method of described natural rubber cushion blocking material, comprise the steps:
S1, natural rubber is put into the 35-45min that plasticates at 80-100 DEG C in banbury after, sequentially add
Fine particle calcium carbonate, stearic acid, age resistor, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, in
Mixing 15-25min at 90-110 DEG C, discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, add sulfur, mixing at 40-60 DEG C
10-20min, slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, control upper mold temperature and are 180-190 DEG C,
Lower mold temperature is 190-200 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described natural
Rubber damping cushion material.
In the present invention, use natural rubber, with the addition of reinforcing and filling system, plasticizer, processing aid simultaneously
And vulcanizing system, obtain a kind of natural rubber vibration pad material.Wherein, because of natural rubber due to inexpensive and
Vibrationproof characteristic is the most excellent, has good physical and mechanical properties and oil resistant, resistance to combustion characteristic simultaneously, so it is fitted
Higher by frequency.The present invention uses in natural rubber (NR) containing being total to less than 10% percentage by weight
Yoke diene series rubber, gives the preferable physicochemical properties of natural rubber, can improve the resistance to height of rubber self
Warm nature energy and medium-resistance, and ensure that the favorable elasticity under vibration pad is for a long time, deformation to greatest extent
Property and weatherability, the damping property improving the present invention with this and ageing-resistant performance.In order to produce tool in the present invention
There is the rubber structure improving vibration damping characteristic, according to natural rubber (NR) and butadiene rubber (BR), isoamyl
The degree of unsaturation of diene rubber (IR) and neoprene (CR) is different, moving of described all kinds of rubber
State elastic stiffness is the most different.By adding butadiene rubber (BR), isoprene rubber in natural rubber
And neoprene (CR) equiconjugate diene rubber is equivalent to form a kind of vibration with island structure (IR)
Damping rubber parts, wherein butadiene rubber (BR), isoprene rubber (IR) and neoprene (CR) etc.
Conjugated diene rubber as fine granular by dispersed filler in the gap of natural rubber structure, this filling tie
Structure makes natural rubber have higher vibration damping effect, thus gives natural rubber preferable vibration characteristics.
Final gained vibration pad material not only vibrationproof and excellent in fatigue, and achieve and long-term prevent heat old
The excellent effect of the property changed.
Additionally, in order to improve the damping behavior of natural rubber further in the present invention, by adding certain proportion
White carbon black, and limit white carbon black and be made up of a certain proportion of white carbon black N330 and white carbon black N772, white carbon black can be to natural
The internal structure of rubber produces impact, makes the vibration damping characteristic required for natural rubber acquisition with this, and
Can ensure the elastic stability of vibration pad material, increase the radial strength of material, and make the vibrationproof performance of product with
Time changes without significant change, increases the service life.
Also by S-80 as vulcanizing agent in the present invention, add by thuriam acceserator, thiazole accelerator
With the accelerator of Thiourea accelerator composition, the vulcanizing system being consequently formed can make the curingprocess rate of natural rubber
Accelerating, molding time shortens, and compression deformation rate is low simultaneously, and the molecular structure of formation can relatively evenly accommodate
Other raw materials, further enhancing the damping capacity of the present invention.In addition to above-mentioned vulcanizing system, in the present invention
Being additionally added a certain proportion of zinc oxide and the vulcanization aid system of 2-mercaptoimidazoline formation, it can be with natural
The appropriateness reaction of rubber, can suppress the change of cross-linked form in high temperature atmosphere, the cut-out of polymer chain,
Exist and be also difficult to even for long-term heat ageing produce the effect that physical property reduces.
A certain proportion of antioxidant 4010, antioxidant 4010NA, antioxidant 4020, age resistor 3100 are formed
Age resistor, it can react with rubber molecule, keeps the mechanical performance that rubber is optimal, improves the present invention
Ageing-resistant performance；Coumarone indene resin uses as plasticizer, can improve plasticity of the present invention, reduces former
Material viscosity and mixing time temperature, improve dispersibility and Combination, improve the hot strength of the present invention, elongation
Rate and damping performance；The use of paraffin oil generic operation oil, it can further improve material of the present invention as softening agent
The plasticizing capacity of material.
In the present invention, the vibration pad material made according to above-mentioned formula and preparation method, vibration pad can be met
Production domesticization, product meets the performance requirements such as the test of vibrationproof, corrosion resistance, heat resistance, tolerance to cold also
Having good weatherability properties, vibrationproof and mechanical property, service life is long simultaneously, and production efficiency is high, becomes
This is low.
Accompanying drawing explanation
Fig. 1 is the preparation technology flow chart of a kind of natural rubber cushion blocking material that the present invention proposes.
Detailed description of the invention
The present invention proposes a kind of natural rubber cushion blocking material, and its raw material includes by weight:
As it is shown in figure 1, the preparation technology stream of a kind of natural rubber cushion blocking material that Fig. 1 is the present invention to be proposed
Cheng Tu.
In specific implementation process, with reference to Fig. 1, the preparation method of above-mentioned natural rubber cushion blocking material include as
Lower step:
S1, natural rubber is put into and banbury is plasticated after uniformly, sequentially add fine particle calcium carbonate, stearic acid, anti-
Old agent, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, mixing uniformly, discharge, cold
But masterbatch is obtained；
S2, the masterbatch obtained by S1 are put in mill, add sulfur, mixing uniformly, slice, cold
But, finished composition is obtained；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, vulcanize, and sulfuration cools down after terminating
To room temperature, the demoulding obtains described fourth natural rubber cushion blocking material.
Below by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of natural rubber cushion blocking material, its raw material includes by weight:
Wherein, possibly together with the neoprene of 6% percentage by weight in described natural rubber；Paraffin in paraffin oil
Content is 70%, and arene content is 3%, cycloalkane 26%；Kinematic viscosity at 100 DEG C is 5mm2/s。
In the present embodiment 1, the preparation method of above-mentioned natural rubber cushion blocking material comprises the steps:
S1, natural rubber is put into the 45min that plasticates at 80 DEG C in banbury after, sequentially add fine particle calcium carbonate,
Stearic acid, age resistor, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, at 90 DEG C
Mixing 25min, discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, addition sulfur, mixing 20min at 40 DEG C,
Slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, and controlling upper mold temperature is 180 DEG C, under
Mould temperature is 200 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described natural rubber and subtracts
Shake cushion material.
Embodiment 2
A kind of natural rubber cushion blocking material, its raw material includes by weight:
Wherein, described natural rubber contains the butadiene rubber of 8% percentage by weight；Stone in described paraffin oil
Wax content is 65%, and arene content is 8%, and cycloalkane is 25%；Kinematic viscosity at 100 DEG C is 20mm2/s。
In the present embodiment 2, the preparation method of above-mentioned natural rubber cushion blocking material comprises the steps:
S1, natural rubber is put into the 35min that plasticates at 100 DEG C in banbury after, sequentially add fine particle calcium carbonate,
Stearic acid, age resistor, accelerator, white carbon black, coumarone indene resin, operation oil, mixing 15min at 110 DEG C,
Discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, addition sulfur, mixing 10min at 60 DEG C,
Slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, and controlling upper mold temperature is 190 DEG C, under
Mould temperature is 195 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described natural rubber and subtracts
Shake cushion material.
Embodiment 3
A kind of natural rubber cushion blocking material, its raw material includes by weight:
Described natural rubber contains the isoprene rubber of 2% percentage by weight；The paraffin content of paraffin oil is
65%, arene content is 5%, and naphthene content is 30%；Kinematic viscosity at 100 DEG C is 20mm2/s。
In the present embodiment 3, the preparation method of above-mentioned natural rubber cushion blocking material comprises the steps:
S1, natural rubber is put into the 40min that plasticates at 90 DEG C in banbury after, sequentially add fine particle calcium carbonate,
Stearic acid, age resistor, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, at 100 DEG C
Mixing 20min, discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, addition sulfur, mixing 15min at 50 DEG C,
Slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, and controlling upper mold temperature is 185 DEG C, under
Mould temperature is 195 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described natural rubber and subtracts
Shake cushion material.
Embodiment 4
A kind of natural rubber cushion blocking material, its raw material includes by weight:
The paraffin content of paraffin oil is 67%, and arene content is 5%, and naphthene content is 27%；At 100 DEG C
Kinematic viscosity is 15mm2/s。
In the present embodiment 4, the preparation method of above-mentioned natural rubber cushion blocking material comprises the steps:
S1, natural rubber is put into the 40min that plasticates at 90 DEG C in banbury after, sequentially add fine particle calcium carbonate,
Stearic acid, age resistor, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, at 100 DEG C
Mixing 20min, discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, addition sulfur, mixing 15min at 50 DEG C,
Slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, and controlling upper mold temperature is 185 DEG C, under
Mould temperature is 195 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described natural rubber and subtracts
Shake cushion material.
Natural rubber cushion blocking material described in above-described embodiment 1-4 is carried out performance test.
Initially physical property: natural rubber cushion blocking material is made the standard test piece of 150mm*150mm*2mm, from
No. 2 dumbbells of die-cut DIN in this test piece, use this dumbbell to test hot strength according to DIN 53504-2, pull
Disconnected percentage elongation；According to DIN 53505 standard, the shore a hardness of material is detected.
Buckling: natural rubber cushion blocking material is made the standard specimen of 13mm*6.3mm, according to ISO 815-B
Test.
Hot air is aging and media-resistant: use the standard test piece of 150mm*150mm*2m, according to test method
Require Die cut specimens, hot air aging case carries out hot air aging and media-resistant test.
By standard test method elastomeric material carried out hardness after off-test, breaking strength, elongation at break,
Volume detects.
Result is as follows:
(1) basic materialization performance test
Respectively according to DIN53504-2, DIN53505, ISO 815-B, DIN 53508 and DIN 53509
Testing standard to the hardness of product, breaking strength, elongation at break, buckling, aging resistance, vibrationproof with
And ozone resistance tests, result is as shown in the table:
Wherein, vibrationproof characteristic test is by using the cylindrical sample (diameter placing 24h under normal temperature environment
29mm, high 12.5mm) carry out.Dynamic multiplying power (Kd/Ks) as vibrationproof characteristic index is with dynamic spring constant
And the value that calculated of the ratio of static spring constant (Ks) (Kd).Static spring constant is first in direction of principal axis pressure
Contracting 28%, is calculated by the mean stress of the outbound of second time compression 4% and 12%, dynamic spring constant
Try to achieve under conditions of deformation in the early stage 10%, frequency 100Hz, dynamic deformation ± 0.4%.
In embodiment 1-4, use natural rubber, with the addition of reinforcing and filling system, plasticizer simultaneously, add
Work auxiliary agent and vulcanizing system, obtain a kind of natural rubber vibration pad material.Wherein, because natural rubber is due to valency
Honest and clean and vibrationproof characteristic is the most excellent, there is good physical and mechanical properties and oil resistant, resistance to combustion characteristic, institute simultaneously
Higher with its applicable frequency.The present invention uses in natural rubber (NR) containing less than 10% weight percent
The conjugated diene rubber of ratio, gives the preferable physicochemical properties of natural rubber, can improve rubber self
High and low temperature resistance and medium-resistance, and ensure that to greatest extent the favorable elasticity under vibration pad is for a long time,
Morphotropism and weatherability, the damping property improving the present invention with this and ageing-resistant performance.For life in the present invention
Produce and there is the rubber structure improving vibration damping characteristic, according to natural rubber (NR) and butadiene rubber (BR),
The degree of unsaturation of isoprene rubber (IR) and neoprene (CR) is different, described all kinds of rubber
Dynamic elasticity rigidity the most different.By adding butadiene rubber (BR), isoprene in natural rubber
Rubber (IR) and neoprene (CR) equiconjugate diene rubber are equivalent to be formed and a kind of have island structure
Vibration damping rubber components, wherein butadiene rubber (BR), isoprene rubber (IR) and neoprene (CR)
Equiconjugate diene rubber as fine granular by dispersed filler in the gap of natural rubber structure, this filling
Structure makes natural rubber have higher vibration damping effect, thus gives natural rubber and preferably vibrate spy
Property.Final gained vibration pad material not only vibrationproof and excellent in fatigue, and achieve long-term preventing
The excellent effect of heat aging.
Additionally, in order to improve the damping behavior of natural rubber further in the present invention, by adding certain proportion
White carbon black, and limit white carbon black and be made up of a certain proportion of white carbon black N330 and white carbon black N772, white carbon black can be to natural
The internal structure of rubber produces impact, makes the vibration damping characteristic required for natural rubber acquisition with this, and
Can ensure the elastic stability of vibration pad material, increase the radial strength of material, and make the vibrationproof performance of product with
Time changes without significant change, increases the service life.
Also by S-80 as vulcanizing agent in the present invention, add by thuriam acceserator, thiazole accelerator
With the accelerator of Thiourea accelerator composition, the vulcanizing system being consequently formed can make the curingprocess rate of natural rubber
Accelerating, molding time shortens, and compression deformation rate is low simultaneously, and the molecular structure of formation can relatively evenly accommodate
Other raw materials, further enhancing the damping capacity of the present invention.In addition to above-mentioned vulcanizing system, in the present invention
Being additionally added a certain proportion of zinc oxide and the vulcanization aid system of 2-mercaptoimidazoline formation, it can be with natural
The appropriateness reaction of rubber, can suppress the change of cross-linked form in high temperature atmosphere, the cut-out of polymer chain,
Exist and be also difficult to even for long-term heat ageing produce the effect that physical property reduces.
A certain proportion of antioxidant 4010, antioxidant 4010NA, antioxidant 4020, age resistor 3100 are formed
Age resistor, it can react with rubber molecule, keeps the mechanical performance that rubber is optimal, improves the present invention
Ageing-resistant performance；Coumarone indene resin uses as plasticizer, can improve plasticity of the present invention, reduces former
Material viscosity and mixing time temperature, improve dispersibility and Combination, improve the hot strength of the present invention, elongation
Rate and damping performance；The use of paraffin oil generic operation oil, it can further improve material of the present invention as softening agent
The plasticizing capacity of material.
In the present invention, the vibration pad material made according to above-mentioned formula and preparation method, vibration pad can be met
Production domesticization, product meets the performance requirements such as the test of vibrationproof, corrosion resistance, heat resistance, tolerance to cold also
Having good weatherability properties, vibrationproof and mechanical property, service life is long simultaneously, and production efficiency is high, becomes
This is low.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (10)
1. a natural rubber cushion blocking material, it is characterised in that its raw material includes by weight:
Natural rubber cushion blocking material the most according to claim 1, it is characterised in that described natural rubber
In possibly together with the conjugated diene rubber less than 10% percentage by weight, described conjugated diene rubber is selected from suitable
One or more in buna, isoprene rubber and neoprene.
Natural rubber cushion blocking material the most according to claim 2, it is characterised in that described natural rubber
In possibly together with the neoprene of 6% percentage by weight.
4. according to natural rubber cushion blocking material described in any one of claim 1-3, it is characterised in that described
White carbon black is made up of white carbon black N330 and white carbon black N772, and the weight proportion of white carbon black N330 and white carbon black N772 is 1:
5-7。
5. according to natural rubber cushion blocking material described in any one of claim 1-4, it is characterised in that described
Accelerator is by one or more in thuriam acceserator, thiazole accelerator and Thiourea accelerator
Composition, described age resistor is by antioxidant 4010, antioxidant 4010NA, antioxidant 4020, age resistor 3100
In one or more composition；Wherein, described thuriam acceserator selected from tetramethylthiuram disulfide,
Tetraethylthiuram disulfide, tetramethylthiuram monosulfide, tetramethylthiuram tetrasulfide and four sulfurations
One or several in (1,5-pentylidene) thiuram；Described thiazole accelerator is selected from 2-mercapto alcohol radical benzene
And thiazole, dibenzothiazyl disulfide, N, N-diisopropyl-2-[4-morpholinodithio sulfenamide, the N-tert-butyl group-2-
One or several in benzothiazole sulfenamide；Described Thiourea accelerator selected from 1,2-ethylene thiourea,
One or several in N, N-di-n-butyl thiourea and rhenocure CA.
6. according to natural rubber cushion blocking material according to any one of claim 1-5, it is characterised in that sulfur
The weight proportion of sulphur and accelerator is 1:1-5.
7. according to natural rubber cushion blocking material according to any one of claim 1-6, it is characterised in that institute
State vulcanization aid to be made up of metal-oxide and adjuvant；Preferably, described vulcanization aid is by zinc oxide
Forming with 2-mercaptoimidazoline, the weight proportion of zinc oxide and 2-mercaptoimidazoline is 1:0.8-1.
8. according to natural rubber cushion blocking material according to any one of claim 1-7, it is characterised in that institute
Stating operation oil is paraffin oil, and the paraffin content in paraffin oil is 65-70%, and arene content is 3-8%, cycloalkane
Content is 25-30%, and the kinematic viscosity at 100 DEG C is 5-20mm2/ s, preferably 10-20mm2/s。
9. according to a preparation method for natural rubber cushion blocking material according to any one of claim 1-8,
It is characterized in that, comprise the steps:
S1, natural rubber is put into and banbury is plasticated after uniformly, sequentially add fine particle calcium carbonate, stearic acid, anti-
Old agent, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil, mixing uniformly, discharge, cold
But masterbatch is obtained；
S2, the masterbatch obtained by S1 are put in mill, add sulfur, mixing uniformly, slice, cold
But, finished composition is obtained；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, vulcanize, and sulfuration cools down after terminating
To room temperature, the demoulding obtains described natural rubber cushion blocking material.
The preparation method of natural rubber cushion blocking material the most according to claim 9, it is characterised in that
Comprise the steps:
S1, natural rubber is put into the 35-45min that plasticates at 80-100 DEG C in banbury after, then add successively
Enter fine particle calcium carbonate, stearic acid, age resistor, accelerator, vulcanization aid, white carbon black, coumarone indene resin, operation oil,
Mixing 15-25min at 90-110 DEG C, discharge, cooling obtains masterbatch；
S2, the masterbatch obtained by S1 are put in mill, add sulfur, mixing at 40-60 DEG C
10-20min, slice, cooling, obtain finished composition；
S3, the finished composition obtained by S2 put into the mould of vulcanizer, control upper mold temperature and are 180-190 DEG C,
Lower mold temperature is 190-200 DEG C, vulcanizes, and sulfuration is cooled to room temperature after terminating, and the demoulding obtains described sky
So rubber damping cushion material.
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| CN201510208827.6A Pending CN106146921A (en) | 2015-04-28 | 2015-04-28 | A kind of natural rubber cushion blocking material and preparation method thereof |
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| CN106608988A (en) * | 2016-12-31 | 2017-05-03 | 安徽立信橡胶科技有限公司 | Rubber shock pad for high-speed railways |
| CN106750602A (en) * | 2016-12-31 | 2017-05-31 | 安徽立信橡胶科技有限公司 | A kind of Rubber shock-absorbing pad and its preparation technology |
| CN107641227A (en) * | 2017-09-06 | 2018-01-30 | 安徽铖友汽车零部件制造有限公司 | A kind of shock absorption pad for vehicle engine |
| CN107722381A (en) * | 2017-09-29 | 2018-02-23 | 北京北化新橡特种材料科技股份有限公司 | A kind of damping pad for rail rubber composite and preparation method thereof |
| CN109181019A (en) * | 2018-06-29 | 2019-01-11 | 瑞源橡塑制品有限公司 | Automobile-used yielding rubber material |
| CN109749170A (en) * | 2017-11-02 | 2019-05-14 | 张锦初 | Engine pad and preparation method |
| CN109851866A (en) * | 2018-12-22 | 2019-06-07 | 浙江菲夫自控设备有限公司 | A kind of rubber bushing and its moulding process of automobile swing arm |
| CN110396227A (en) * | 2019-08-13 | 2019-11-01 | 广西科技大学鹿山学院 | The preparation method of fatigue-resisting rubber |
| CN111333926A (en) * | 2020-04-27 | 2020-06-26 | 株洲时代新材料科技股份有限公司 | Low-temperature-resistant compression permanent deformation damping rubber and preparation method thereof |
| CN112143051A (en) * | 2020-09-04 | 2020-12-29 | 贵州宏洋橡胶制品有限公司 | Environment-friendly damping air bag and production method thereof |
| CN113444296A (en) * | 2021-07-21 | 2021-09-28 | 中交二公局第六工程有限公司 | Rubber cushion block material for gallery vehicle and processing technology thereof |
| EP3856793A4 (en) * | 2018-09-26 | 2022-06-15 | Birla Carbon U.S.A., Inc. | Carbon black for improved automotive anti-vibration rubber compound performance |
| CN115058068A (en) * | 2022-06-23 | 2022-09-16 | 亚新科噪声与振动技术（安徽）有限公司 | Wax-free, pollution-free and ozone-resistant natural rubber material and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750602A (en) * | 2016-12-31 | 2017-05-31 | 安徽立信橡胶科技有限公司 | A kind of Rubber shock-absorbing pad and its preparation technology |
| CN106608988A (en) * | 2016-12-31 | 2017-05-03 | 安徽立信橡胶科技有限公司 | Rubber shock pad for high-speed railways |
| CN107641227A (en) * | 2017-09-06 | 2018-01-30 | 安徽铖友汽车零部件制造有限公司 | A kind of shock absorption pad for vehicle engine |
| CN107722381A (en) * | 2017-09-29 | 2018-02-23 | 北京北化新橡特种材料科技股份有限公司 | A kind of damping pad for rail rubber composite and preparation method thereof |
| CN109749170A (en) * | 2017-11-02 | 2019-05-14 | 张锦初 | Engine pad and preparation method |
| CN109181019A (en) * | 2018-06-29 | 2019-01-11 | 瑞源橡塑制品有限公司 | Automobile-used yielding rubber material |
| EP3856793A4 (en) * | 2018-09-26 | 2022-06-15 | Birla Carbon U.S.A., Inc. | Carbon black for improved automotive anti-vibration rubber compound performance |
| CN109851866A (en) * | 2018-12-22 | 2019-06-07 | 浙江菲夫自控设备有限公司 | A kind of rubber bushing and its moulding process of automobile swing arm |
| CN110396227A (en) * | 2019-08-13 | 2019-11-01 | 广西科技大学鹿山学院 | The preparation method of fatigue-resisting rubber |
| CN111333926A (en) * | 2020-04-27 | 2020-06-26 | 株洲时代新材料科技股份有限公司 | Low-temperature-resistant compression permanent deformation damping rubber and preparation method thereof |
| CN111333926B (en) * | 2020-04-27 | 2022-08-16 | 株洲时代新材料科技股份有限公司 | Low-temperature-resistant compression permanent deformation damping rubber and preparation method thereof |
| CN112143051A (en) * | 2020-09-04 | 2020-12-29 | 贵州宏洋橡胶制品有限公司 | Environment-friendly damping air bag and production method thereof |
| CN112143051B (en) * | 2020-09-04 | 2022-09-13 | 贵州宏洋橡胶制品有限公司 | Environment-friendly damping air bag and production method thereof |
| CN113444296A (en) * | 2021-07-21 | 2021-09-28 | 中交二公局第六工程有限公司 | Rubber cushion block material for gallery vehicle and processing technology thereof |
| CN115058068A (en) * | 2022-06-23 | 2022-09-16 | 亚新科噪声与振动技术（安徽）有限公司 | Wax-free, pollution-free and ozone-resistant natural rubber material and preparation method thereof |
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Application publication date: 20161123 |