CN107556572A - A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof - Google Patents
A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof Download PDFInfo
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- CN107556572A CN107556572A CN201710731460.5A CN201710731460A CN107556572A CN 107556572 A CN107556572 A CN 107556572A CN 201710731460 A CN201710731460 A CN 201710731460A CN 107556572 A CN107556572 A CN 107556572A
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Abstract
The invention discloses a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, comprise the following steps:(1)Modified filler preparation,(2)The preparation of modified composite fiber filler,(3)Mixing and molding.The present invention has carried out special improvement to the preparation technology of elastomeric material and handled, obtained elastomeric material has the anti-aging characteristic of good mechanical strength, creep resistance, heatproof, its bond strength between metalwork is also obviously improved, synthesis uses quality better, great popularization and the market competitiveness.
Description
Technical field
The invention belongs to automobile processing and manufacturing technology, and in particular to a kind of anti-aging automobile rubber shock absorber part material of heatproof
The preparation method of material.
Background technology
With the rapid development of modern industry, vibrations and noise have become the serious problems of every field, and it can be reduced
Performance accuracy, product quality is influenceed, shorten life of product so that high-precision instrument cisco unity malfunction, jeopardize security.
In the processing and manufacturing of automobile, damper is one of essential parts, and it is mainly used to suppress spring suction
Concussion when being rebounded after shake and the impact from road surface, comfortableness and control stability for the vehicles play important work
With.The principle of existing damper bushing is by flexibly supporting the ring for being converted into heat energy and being dispersed into surrounding by the mechanical energy of vibration
In the middle of border, it can so start the effect of vibration isolation.The classification of shock absorbing bushing has many kinds, is divided into according to shock absorbing bushing material
Gum shock absorbing bushing, metal-rubber shock absorbing bushing, air spring shock absorbing bushing etc..
Because elastomeric material has the advantages that light weight, shock resistance in itself and easily absorbs dither, plus rubber and gold
Belong to the raising of adhesive technology, metal and building rubber compound the metal-rubber spring i.e. rubber bushing to be formed that gets up are widely used in vapour
In support meanss in suspension, for supporting the quality of vehicle frame, vibration and impact of the road injustice to automobile are relaxed, and rapidly
Decay vibration, the comfortableness of driving is improved, lower the dynamic stress of car body each several part, extend vehicle service life.And metal and rubber
The shock absorbing bushing of glue combination has certain performance requirement for rubber, existing rubber product it is heat-resisting, ageing-resistant, with it is intermetallic
Still there is larger room for improvement in the performance of binding characteristic etc..
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of anti-aging automobile rubber shock absorber part material of heatproof
Preparation method, its obtained elastomeric material integrated quality is good, effectively improves its using effect in damping part.
The present invention is achieved by the following technical solutions:
A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, comprises the following steps:
(1)It is prepared by modified filler:
Nanometer silicon carbide to be put into modification liquid A, it is 65 ~ 70 DEG C that heating, which keeps modification liquid A temperature, and into modification liquid A
CO gas is continually fed into, filter residue A is filtered out to obtain after handling 1 ~ 1.5h, then modified filler will be obtained after filter residue A drying and crushings
It is standby;Each composition and its corresponding parts by weight are in the modification liquid A:9 ~ 12 parts of silane couplers, 4 ~ 6 parts of copper sulphate, 5 ~ 7 part third
Olefin(e) acid, 1 ~ 2 part of potassium stearate, 0.5 ~ 1 part of sodium of iminodisuccinic acid four, 1 ~ 3 part of citric acid, 150 ~ 160 parts of water;
(2)It is prepared by modified composite fiber filler:
A. by step(1)Obtained modified filler is with inorfil according to weight than 1:1.8 ~ 2.0 are mixed, then jointly
Put into modification liquid B, it is 50 ~ 55 DEG C that then heating, which keeps modification liquid B temperature, while carries out Ultrasonic Radiation processing, 45 ~
Filtered out after 55min filter residue B is standby;Each composition and its corresponding parts by weight are in described modification liquid B:15 ~ 18 parts silane coupled
Agent, 10 ~ 14 parts of methyl methacrylates, 5 ~ 8 parts of polyvinyl alcohol, 3 ~ 6 parts of sodium pyrophosphates, 1 ~ 1.5 part of ethylenediamine tetra-acetic acid, 200 ~
220 parts of water;
B. after being rinsed one time to the filter residue B obtained by operation a with deionized water, then it is 30 ~ 35% to be dried to overall water content,
Then put it into become and isothermal holding is carried out in incubator, the temperature for during which controlling insulation is 60 ~ 65 DEG C, 1 ~ 2min of isothermal holding
Cooling processing quickly is carried out to becoming incubator afterwards, the temperature become in incubator is down to -35 ~ -40 DEG C, is then incubated at this temperature
3 ~ 5min is handled, nature is finally taken out and rises to normal temperature to obtain modified composite fiber filler standby;
(3)Mixing and molding:
A. following material is weighed by corresponding parts by weight:100 ~ 120 parts of rubber, 35 ~ 40 parts of steps(2)Obtained modified composite fiber
Filler, 10 ~ 15 parts of white carbons, 2 ~ 4 parts of crosslinking agents, 1 ~ 3 part of accelerator, 0.5 ~ 1.5 part of age resistor, 1 ~ 2 part of softening agent are standby;
B. the operation a compositions used weighed are kneaded jointly, then thin to lead to 5 slices, last sulfidization molding is
Can.
Further, step(1)Described in be 80 ~ 85 DEG C to the control of filter residue A drying temperature.
Further, step(2)The inorfil operated described in a is glass fibre, times in polycrystalline mullite fibre
Meaning is a kind of, and the length of its fiber is 4 ~ 6mm.
Further, step(2)The frequency of ultrasonic wave is 70 ~ 74kHz when operating the Ultrasonic Radiation processing described in a.
Further, step(2)The drying temperature control to filter residue B operated described in b is 70 ~ 75 DEG C.
Further, step(2)Fast cooling processing described in operation b refers to the temperature that will become in 1min in incubator
- 35 ~ -40 DEG C are down to by 60 ~ 65 DEG C.
Further, step(3)The crosslinking agent operated described in a is sulphur.
Further, step(3)It is any in guanidines, thiazole accelerator to operate the accelerator described in a
It is a kind of.
Further, step(3)The age resistor operated described in a is diaryl secondary amine antioxidant, substituted phenol is anti-old
Any one in agent.
Further, step(3)The softening agent operated described in a is aromatic naphtha.
In order to lift the use quality of rubber, in the mill add inorganic particle, inorganic fibrous fillers composition method compared with
It to be common, can effectively strengthen the intensity of rubber, the characteristic such as wear-resisting, but improve unobvious for the shock absorbing characteristicses of rubber, even
It is harmful, to the binding characteristic between rubber and metalwork also without improvement, while inorganic particles packing is in preparation process
Phenomena such as easily reuniting, quality is used so as to have impact on its filling.Spy has been carried out to the preparation technology of rubber to this present invention
Different improvement processing, the synthesis for effectively enhancing elastomeric material use quality, specifically inorganic filler components are optimized
Processing, wherein have selected nanometer silicon carbide as inorganic particles packing composition, its with very strong heat-resisting, corrosion resistant, antiwear characteristic,
For correspondingly enhancing the above-mentioned characteristic of rubber in rubber, modification then is carried out to nanometer silicon carbide with modification liquid A, changed
The compositions such as the silane coupler in property liquid A improve the surface-active of nanometer silicon carbide well, it is therefore prevented that intergranular reunion,
Its compatible binding characteristic between rubber constituent is improved, beneficial to the lifting of bulk strength, the copper ion in copper sulphate is in an oxygen
Under the continuous effect for changing carbon gas, it is reduced into copper atom and is nucleated on the surface of nanometer silicon carbide, to nano silicon carbide silicon face
The effect of part cladding is generated, can not only further lift the surface-active of nanometer silicon carbide, lifting nanometer silicon carbide is rear
Bond strength when continuing processing with rubber molecule interchain, while the interface affinity between and can lifting elastomeric material and metalwork,
Mutual bond strength is improved, afterwards enters obtained modified Nano carborundum with inorfil in the presence of modification liquid B
Row is compound, and its effective grafting is fixed on the surface of inorfil, the surface area of inorfil is improved, so as to enhance nothing
Bond strength between machine fiber and rubber, while and can carries out position constraint to modified Nano carborundum particle, further reduces
The problems such as it reunites in the feed, finally the raw material of both compound gained is carried out quickly be down to low temperature by high temperature
Reason, under quick temperature change, shrinkage deformation occurs for inorfil, and fiber appearance becomes spiral wound type by column type, this
The modified composite fiber filler of form and the diffusion of rubber molecule interchain, entanglement degree are stronger, improve overall intensity, simultaneously
It has the using effect of microsprings, can lift shock resistance, the anti-vibration characteristic of rubber, while enhances the anti-compacted of rubber again
Become characteristic, filling is more preferable using characteristic.
The present invention has advantages below compared with prior art:
The present invention has carried out special improvement to the preparation technology of elastomeric material and handled, and obtained elastomeric material has good power
Intensity, creep resistance, the anti-aging characteristic of heatproof are learned, its bond strength between metalwork is also obviously improved, comprehensive to use
Quality better, great popularization and the market competitiveness.
Embodiment
Embodiment 1
A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, comprises the following steps:
(1)It is prepared by modified filler:
Nanometer silicon carbide is put into modification liquid A, it is 65 DEG C that heating, which keeps modification liquid A temperature, and is continued into modification liquid A
CO gas is passed through, filter residue A is filtered out to obtain after handling 1h, it is standby then modified filler will to be obtained after filter residue A drying and crushings;It is described
Each composition and its corresponding parts by weight are in modification liquid A:9 parts of silane couplers, 4 parts of copper sulphate, 5 parts of acrylic acid, 1 part of stearic acid
Potassium, 0.5 part of sodium of iminodisuccinic acid four, 1 part of citric acid, 150 parts of water;
(2)It is prepared by modified composite fiber filler:
A. by step(1)Obtained modified filler is with inorfil according to weight than 1:1.8 are mixed, then common input
Into modification liquid B, it is 50 DEG C that then heating, which keeps modification liquid B temperature, while carries out Ultrasonic Radiation processing, is filtered after 45min
Go out filter residue B is standby;Each composition and its corresponding parts by weight are in described modification liquid B:15 parts of silane couplers, 10 parts of methyl-props
E pioic acid methyl ester, 5 parts of polyvinyl alcohol, 3 parts of sodium pyrophosphates, 1 part of ethylenediamine tetra-acetic acid, 200 parts of water;
B. after being rinsed one time to the filter residue B obtained by operation a with deionized water, then it is 30 ~ 35% to be dried to overall water content,
Then put it into become and isothermal holding is carried out in incubator, the temperature for during which controlling insulation is 60 DEG C, fast after isothermal holding 1min
Speed carries out cooling processing to becoming incubator, the temperature become in incubator is down into -35 DEG C, then isothermal holding at this temperature
3min, finally take out nature and rise to normal temperature to obtain modified composite fiber filler standby;
(3)Mixing and molding:
A. following material is weighed by corresponding parts by weight:100 parts of rubber, 35 parts of steps(2)Obtained modified composite fiber filler, 10
Part white carbon, 2 parts of crosslinking agents, 1 part of accelerator, 0.5 part of age resistor, 1 part of softening agent are standby;
B. the operation a compositions used weighed are kneaded jointly, then thin to lead to 5 slices, last sulfidization molding is
Can.
Further, step(1)Described in be 80 DEG C to the control of filter residue A drying temperature.
Further, step(2)The inorfil operated described in a is glass fibre, and the length of its fiber is 4 ~ 6mm.
Further, step(2)The frequency of ultrasonic wave is 70kHz when operating the Ultrasonic Radiation processing described in a.
Further, step(2)The drying temperature control to filter residue B operated described in b is 70 DEG C.
Further, step(2)Fast cooling processing described in operation b refers to the temperature that will become in 1min in incubator
- 35 DEG C are down to by 60 DEG C.
Further, step(3)The crosslinking agent operated described in a is sulphur.
Further, step(3)The accelerator operated described in a is guanidines.
Further, step(3)The age resistor operated described in a is diaryl secondary amine antioxidant.
Further, step(3)The softening agent operated described in a is aromatic naphtha.
Embodiment 2
A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, comprises the following steps:
(1)It is prepared by modified filler:
Nanometer silicon carbide is put into modification liquid A, it is 68 DEG C that heating, which keeps modification liquid A temperature, and is continued into modification liquid A
CO gas is passed through, filter residue A is filtered out to obtain after handling 1.2h, it is standby then modified filler will to be obtained after filter residue A drying and crushings;Institute
Stating each composition and its corresponding parts by weight in modification liquid A is:10 parts of silane couplers, 5 parts of copper sulphate, 6 parts of acrylic acid, 1.5 parts it is hard
Resin acid potassium, 0.8 part of sodium of iminodisuccinic acid four, 2 parts of citric acids, 155 parts of water;
(2)It is prepared by modified composite fiber filler:
A. by step(1)Obtained modified filler is with inorfil according to weight than 1:1.9 are mixed, then common input
Into modification liquid B, it is 53 DEG C that then heating, which keeps modification liquid B temperature, while carries out Ultrasonic Radiation processing, is filtered after 50min
Go out filter residue B is standby;Each composition and its corresponding parts by weight are in described modification liquid B:17 parts of silane couplers, 12 parts of methyl-props
E pioic acid methyl ester, 7 parts of polyvinyl alcohol, 5 parts of sodium pyrophosphates, 1.2 parts of ethylenediamine tetra-acetic acids, 210 parts of water;
B. after being rinsed one time to the filter residue B obtained by operation a with deionized water, then it is 30 ~ 35% to be dried to overall water content,
Then put it into become and isothermal holding is carried out in incubator, the temperature for during which controlling insulation is 63 DEG C, after isothermal holding 1.5min
Cooling processing quickly is carried out to becoming incubator, the temperature become in incubator is down to -38 DEG C, then isothermal holding at this temperature
4min, finally take out nature and rise to normal temperature to obtain modified composite fiber filler standby;
(3)Mixing and molding:
A. following material is weighed by corresponding parts by weight:110 parts of rubber, 38 parts of steps(2)Obtained modified composite fiber filler, 13
Part white carbon, 3 parts of crosslinking agents, 2 parts of accelerator, 1 part of age resistor, 1.5 parts of softening agents are standby;
B. the operation a compositions used weighed are kneaded jointly, then thin to lead to 5 slices, last sulfidization molding is
Can.
Further, step(1)Described in be 82 DEG C to the control of filter residue A drying temperature.
Further, step(2)Inorfil described in operation a is polycrystalline mullite fibre, and the length of its fiber is 4
~6mm。
Further, step(2)The frequency of ultrasonic wave is 72kHz when operating the Ultrasonic Radiation processing described in a.
Further, step(2)The drying temperature control to filter residue B operated described in b is 73 DEG C.
Further, step(2)Fast cooling processing described in operation b refers to the temperature that will become in 1min in incubator
- 38 DEG C are down to by 63 DEG C.
Further, step(3)The crosslinking agent operated described in a is sulphur.
Further, step(3)The accelerator operated described in a is guanidines.
Further, step(3)The age resistor operated described in a is diaryl secondary amine antioxidant.
Further, step(3)The softening agent operated described in a is aromatic naphtha.
Embodiment 3
A kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, comprises the following steps:
(1)It is prepared by modified filler:
Nanometer silicon carbide is put into modification liquid A, it is 70 DEG C that heating, which keeps modification liquid A temperature, and is continued into modification liquid A
CO gas is passed through, filter residue A is filtered out to obtain after handling 1.5h, it is standby then modified filler will to be obtained after filter residue A drying and crushings;Institute
Stating each composition and its corresponding parts by weight in modification liquid A is:12 parts of silane couplers, 6 parts of copper sulphate, 7 parts of acrylic acid, 2 parts of tristearin
Sour potassium, 1 part of sodium of iminodisuccinic acid four, 3 parts of citric acids, 160 parts of water;
(2)It is prepared by modified composite fiber filler:
A. by step(1)Obtained modified filler is with inorfil according to weight than 1:2.0 are mixed, then common input
Into modification liquid B, it is 55 DEG C that then heating, which keeps modification liquid B temperature, while carries out Ultrasonic Radiation processing, is filtered after 55min
Go out filter residue B is standby;Each composition and its corresponding parts by weight are in described modification liquid B:18 parts of silane couplers, 14 parts of methyl-props
E pioic acid methyl ester, 8 parts of polyvinyl alcohol, 6 parts of sodium pyrophosphates, 1.5 parts of ethylenediamine tetra-acetic acids, 220 parts of water;
B. after being rinsed one time to the filter residue B obtained by operation a with deionized water, then it is 30 ~ 35% to be dried to overall water content,
Then put it into become and isothermal holding is carried out in incubator, the temperature for during which controlling insulation is 65 DEG C, fast after isothermal holding 2min
Speed carries out cooling processing to becoming incubator, the temperature become in incubator is down into -40 DEG C, then isothermal holding at this temperature
5min, finally take out nature and rise to normal temperature to obtain modified composite fiber filler standby;
(3)Mixing and molding:
A. following material is weighed by corresponding parts by weight:120 parts of rubber, 40 parts of steps(2)Obtained modified composite fiber filler, 15
Part white carbon, 4 parts of crosslinking agents, 3 parts of accelerator, 1.5 parts of age resistor, 2 parts of softening agents are standby;
B. the operation a compositions used weighed are kneaded jointly, then thin to lead to 5 slices, last sulfidization molding is
Can.
Further, step(1)Described in be 85 DEG C to the control of filter residue A drying temperature.
Further, step(2)Inorfil described in operation a is polycrystalline mullite fibre, and the length of its fiber is 4
~6mm。
Further, step(2)The frequency of ultrasonic wave is 74kHz when operating the Ultrasonic Radiation processing described in a.
Further, step(2)The drying temperature control to filter residue B operated described in b is 75 DEG C.
Further, step(2)Fast cooling processing described in operation b refers to the temperature that will become in 1min in incubator
- 40 DEG C are down to by 65 DEG C.
Further, step(3)The crosslinking agent operated described in a is sulphur.
Further, step(3)The accelerator operated described in a is thiazole accelerator.
Further, step(3)The age resistor operated described in a is substituted phenol antioxidant.
Further, step(3)The softening agent operated described in a is aromatic naphtha.
Comparative example 1
This comparative example 1 compared with Example 2, saves step(2)Operation b in the preparation of modified composite fiber filler, except this
Outer method and step all same.
Comparative example 2
This comparative example 2 compared with Example 2, saves step(2)Whole processing prepared by modified composite fiber filler, directly
By step(1)Obtained modified filler is with inorfil according to weight than 1:1.9 carry out being mixed to prepare mixture, etc. mass parts
Substituting modification composite fiber filler is used for step(3)In prepared by mixing and molding, method and step all same in addition.
Comparative example 3
This comparative example 3 compared with comparative example 2, with etc. the nanometer silicon carbides of mass parts substitute modified filler therein,
Method and step all same in addition.
In order to contrast effect of the present invention, from the natural rubber of Hainan caoutchouc industry group preparation(The trade mark is SCR5)
As rubber matrix composition, then with respectively with above-described embodiment 2, comparative example 1, comparative example 2, comparative example 3
Described method is processed preparation, finally carries out quality parameter test to obtained elastomeric material, specific correction data is such as
Shown in table 1 below:
Table 1
Pull apart strength(MPa) | Hot air aging change rate of strength(%) | With the bonding strength between No. 304 stainless steels(MPa) | Creep resistance is graded | |
Embodiment 2 | 21.4 | -8.5 | 9.9 | 4 |
Comparative example 1 | 18.7 | -13.4 | 8.5 | 3 |
Comparative example 2 | 17.4 | -18.3 | 7.6 | 3 |
Comparative example 3 | 16.3 | -20.6 | 7.1 | 3 |
Note:Hot air aging change rate of strength described in upper table 1 refers to after being incubated 70h under the conditions of elastomeric material is put in into 70 DEG C
Measure rate of descent of its breaking strength compared with normal temperature;The described bonding strength between No. 304 stainless steels is by elastomeric material and 304
Number stainless steel is bonded, and measures the intensity that bonds between the two to characterize the compatibility between elastomeric material and metal material, used
Binding agent be Mei Jiamu 3270, the amount and mode all same that the coating of its each group uses;Described creep resistance grading is to rubber
Glue material is graded using 5 points of systems, and fraction is higher, and to represent creep-resistant property better.
Preparation method of the present invention can effectively lift the intensity, anti-aging, anti-compacted of elastomeric material it can be seen from upper table 1
The performances such as denaturation, while and can lifts its affine combination intensity between stainless steel and other metal materials, enhances it and subtracts in automobile
The using effect in part is shaken, there is good economic benefit and promotional value.
Claims (10)
1. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof, it is characterised in that comprise the following steps:
(1)It is prepared by modified filler:
Nanometer silicon carbide to be put into modification liquid A, it is 65 ~ 70 DEG C that heating, which keeps modification liquid A temperature, and into modification liquid A
CO gas is continually fed into, filter residue A is filtered out to obtain after handling 1 ~ 1.5h, then modified filler will be obtained after filter residue A drying and crushings
It is standby;Each composition and its corresponding parts by weight are in the modification liquid A:9 ~ 12 parts of silane couplers, 4 ~ 6 parts of copper sulphate, 5 ~ 7 part third
Olefin(e) acid, 1 ~ 2 part of potassium stearate, 0.5 ~ 1 part of sodium of iminodisuccinic acid four, 1 ~ 3 part of citric acid, 150 ~ 160 parts of water;
(2)It is prepared by modified composite fiber filler:
A. by step(1)Obtained modified filler is with inorfil according to weight than 1:1.8 ~ 2.0 are mixed, then jointly
Put into modification liquid B, it is 50 ~ 55 DEG C that then heating, which keeps modification liquid B temperature, while carries out Ultrasonic Radiation processing, 45 ~
Filtered out after 55min filter residue B is standby;Each composition and its corresponding parts by weight are in described modification liquid B:15 ~ 18 parts silane coupled
Agent, 10 ~ 14 parts of methyl methacrylates, 5 ~ 8 parts of polyvinyl alcohol, 3 ~ 6 parts of sodium pyrophosphates, 1 ~ 1.5 part of ethylenediamine tetra-acetic acid, 200 ~
220 parts of water;
B. after being rinsed one time to the filter residue B obtained by operation a with deionized water, then it is 30 ~ 35% to be dried to overall water content,
Then put it into become and isothermal holding is carried out in incubator, the temperature for during which controlling insulation is 60 ~ 65 DEG C, 1 ~ 2min of isothermal holding
Cooling processing quickly is carried out to becoming incubator afterwards, the temperature become in incubator is down to -35 ~ -40 DEG C, is then incubated at this temperature
3 ~ 5min is handled, nature is finally taken out and rises to normal temperature to obtain modified composite fiber filler standby;
(3)Mixing and molding:
A. following material is weighed by corresponding parts by weight:100 ~ 120 parts of rubber, 35 ~ 40 parts of steps(2)Obtained modified composite fiber
Filler, 10 ~ 15 parts of white carbons, 2 ~ 4 parts of crosslinking agents, 1 ~ 3 part of accelerator, 0.5 ~ 1.5 part of age resistor, 1 ~ 2 part of softening agent are standby;
B. the operation a compositions used weighed are kneaded jointly, then thin to lead to 5 slices, last sulfidization molding is
Can.
2. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(1)Described in be 80 ~ 85 DEG C to the control of filter residue A drying temperature.
3. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(2)It is any one in glass fibre, polycrystalline mullite fibre to operate the inorfil described in a, its fiber
Length is 4 ~ 6mm.
4. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(2)The frequency of ultrasonic wave is 70 ~ 74kHz when operating the Ultrasonic Radiation processing described in a.
5. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(2)The drying temperature control to filter residue B operated described in b is 70 ~ 75 DEG C.
6. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(2)Fast cooling processing described in operation b refers to be down to the temperature become in incubator by 60 ~ 65 DEG C in 1min-
35~-40℃。
7. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(3)The crosslinking agent operated described in a is sulphur.
8. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(3)It is any one in guanidines, thiazole accelerator to operate the accelerator described in a.
9. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(3)It is any one in diaryl secondary amine antioxidant, substituted phenol antioxidant to operate the age resistor described in a.
10. a kind of preparation method of the anti-aging automobile rubber shock absorber part material of heatproof according to claim 1, its feature exist
In step(3)The softening agent operated described in a is aromatic naphtha.
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765930A (en) * | 1985-07-03 | 1988-08-23 | Mitsuboshi Belting Ltd. | Pressure-responsive variable electrical resistive rubber material |
CN105418992A (en) * | 2015-12-15 | 2016-03-23 | 宁国天运橡塑制品有限公司 | Rubber sleeve for bushing of automobile steering device |
CN106957460A (en) * | 2016-12-30 | 2017-07-18 | 安徽鼎封橡胶减震技术有限公司 | A kind of heat-resisting tear-resistant anti-wearing liner |
-
2017
- 2017-08-23 CN CN201710731460.5A patent/CN107556572A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4765930A (en) * | 1985-07-03 | 1988-08-23 | Mitsuboshi Belting Ltd. | Pressure-responsive variable electrical resistive rubber material |
CN105418992A (en) * | 2015-12-15 | 2016-03-23 | 宁国天运橡塑制品有限公司 | Rubber sleeve for bushing of automobile steering device |
CN106957460A (en) * | 2016-12-30 | 2017-07-18 | 安徽鼎封橡胶减震技术有限公司 | A kind of heat-resisting tear-resistant anti-wearing liner |
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Application publication date: 20180109 |