CN110343303A - A kind of new automobile air spring outer layer sizing material and preparation method - Google Patents
A kind of new automobile air spring outer layer sizing material and preparation method Download PDFInfo
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- CN110343303A CN110343303A CN201910709128.8A CN201910709128A CN110343303A CN 110343303 A CN110343303 A CN 110343303A CN 201910709128 A CN201910709128 A CN 201910709128A CN 110343303 A CN110343303 A CN 110343303A
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2312/00—Crosslinking
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention belongs to the technical fields of air spring sizing material, and in particular to a kind of new automobile air spring outer layer sizing material and preparation method.60-80 parts of MERCAPTAN MODIFIED CHLOROPRENE RUBBERS；20-40 parts of epoxy natural rubber；20-70 parts of carbon black N550；18-30 parts of carbon black N660；10-15 parts of dioctyl sebacate；4-7 parts of anti-aging agent；3-10 parts of zinc oxide；1-5 parts of stearic acid；3-8 parts of magnesia；1-5 parts of Sulfur；1.5-5 parts of promotor, 0.4-0.8 parts of calcium oxide.Neoprene is used in formula to be used in combination with epoxy natural rubber, and select suitable vulcanizing system that the two is made to generate chemical crosslinking in formula, by improving the tired and interlaminar bonding property that deflects of outer layer sizing material, the final service life for improving automobile air spring.
Description
Technical field
The invention belongs to the technical fields of air spring sizing material, and in particular to a kind of new automobile air spring outer layer
Sizing material and preparation method.
Background technique
With the fast development of raising and auto industry that people require comfort, automobile air spring has become vapour
The standard configuration of garage's industry.Equally, also to automobile air spring, more stringent requirements are proposed for the development of auto industry, wherein automobile air
The dynamic fatigue lifetime problem of spring is to evaluate the key index of its performance superiority and inferiority.It is taken off due to caused by fatigue in use
Layer is the main reason for automobile air spring destroys with destruction is deflected.
Conventional automobile air spring air bag outer layer glue generally uses natural gum or neoprene, wherein natural rubber technique
Property is good, ply adhesion is good, at low cost, but oil resistant, ageing-resistant performance and deflects poor fatigue properties；It is neoprene oil resistance, resistance to
Ageing properties and to deflect fatigue behaviour good, but processing performance is poor, it is poor with cord interlaminar bonding property, it is existing to be easy to appear fatigue delamination
As.Although these automobile air spring outer layer glues have their own advantages, but deflect fatigue and the interlayer that cannot take into account air bag outer layer glue glue
Performance is closed, to reach the target for extending automobile air spring service life.
Traditional natural rubber automobile air spring outer layer glue and cord ply compound have a good bond properties, but its deflect performance,
Ozone resistance, heatproof air aging performance are poor, and it is existing to will appear the destructions such as cracking, scaling quickly in air spring use process
As.
Traditional neoprene automobile air spring outer layer glue has that excellent to deflect performance, ozone resistance, heat-resisting oxygen old
The cord ply compound of change performance, neoprene and natural gum cannot generate co-vulcanization, and bond properties is poor, be easy to appear in use outer
Layer glue and cord ply compound delamination and cause air spring to fail.
For this problem, existing technology has done many researchs and improvement, as patent CN105754163A provides one kind
Automobile oil resistant air spring sizing material；The automobile that patent CN106700482B provides low temperature resistant one kind, high temperature resistant and oil resistant is empty
Gas spring sizing material.Two patents are improved its service life in tolerance of the air spring to environment from improving, but cannot be from basic
The upper fatigue problem for solving air spring itself.Therefore it provides a kind of deflect has excellent performance and has in fatigue process excellent
The automobile air spring outer layer glue of interlaminar bonding property is most important for the service life for improving automobile air spring, also compels
The eyebrows and eyelashes.
Summary of the invention
It is an object of the invention to be directed to the defect of above-mentioned automobile air spring fatigue problem itself, a kind of novel steam is provided
Vehicle air spring outer layer sizing material deflects fatigue and interlaminar bonding property by raising outer layer sizing material, finally improves automobile
The service life of air spring.
The technical solution of the present invention is as follows:
A kind of new automobile air spring outer layer sizing material, including following components by weight: mercaptan adjustment type chlorine
60-80 parts of buna；20-40 parts of epoxy natural rubber；20-70 parts of carbon black N550；18-30 parts of carbon black N660；Decanedioic acid
10-15 parts of dioctyl ester；4-7 parts of anti-aging agent；3-10 parts of zinc oxide；1-5 parts of stearic acid；3-8 parts of magnesia；1-5 parts of Sulfur；Promote
1.5-5 parts of agent, 0.4-0.8 parts of calcium oxide.
Preferably, the new automobile air spring outer layer sizing material, the epoxy natural rubber are epoxidation day
Right rubber ENR-25, epoxidation level 25mol%.Epoxy natural rubber ENR-25 respectively with neoprene and natural rubber
With good compatibility and intervulcanizability, with neoprene and with physical mechanical property with higher, simultaneously because epoxy
The presence of group makes epoxy natural rubber have good bond properties, ensure that the bond properties of outer layer glue and cord ply compound.
It is further preferably, the epoxy natural rubber is that (epoxidation level is epoxy natural rubber ENR-25
25mol%) 10-20 parts；10-20 parts of epoxy natural rubber ENR-50 (epoxidation level 50mol%).The natural rubber of epoxidation
Glue ENR-25 and neoprene have good compatibility, and excellent physical mechanical property is provided for Blend rubber.Epoxidation simultaneously
Epoxy group in natural rubber provides excellent bond properties between air spring outer layer sizing material and cord ply compound, and with
The raising bond properties of epoxidation level is better, therefore is incorporated to air spring outer layer glue after PART EPOXY natural rubber ENR-50
Bond properties with cord ply compound can be more preferable.
Preferably, the anti-aging agent is the mixture of anti-aging agent 3100 and antioxidant BLE, according to weight fraction ratio 1:1
It mixes.Anti-aging agent 3100 and antioxidant BLE are all the anti-aging agents of long-acting type, and wherein anti-aging agent 3100 is long-acting type anti-aging agent
The ejection rubber surface speed slow duration is long, and antioxidant BLE is fast with respect to spouting velocity, and the duration is short, and two kinds of anti-aging agents are pressed
According to can play synergistic effect after ratio and use, product using initial stage anti-aging based on antioxidant BLE, product using the middle and later periods with
Based on anti-aging agent 3100.
Preferably, the promotor is the mixture of diphenylguanidine OTG and promotor ETU, according to weight fraction ratio 1:
1.5 mixing.Diphenylguanidine OTG can promote Sulfur to vulcanize neoprene and epoxidation natural gum simultaneously, wherein neoprene
Rate of cure it is slower, in order to balance the rate of cure of neoprene and epoxy natural rubber, in vulcanizing system and use chlorine
The primary accelerator ETU of buna can make neoprene and epoxy natural rubber achieve the purpose that synchronic curing.
Another object of the present invention also provides a kind of preparation method of new automobile air spring outer layer sizing material, step
It is as follows:
(1) smelting temperature is set as 50-60 DEG C, and epoxy natural rubber is blended in mixer to 2-3 points with calcium oxide
Clock obtains sizing material one, spare after taking out in mixer；
(2) smelting temperature is set as 70-80 DEG C, and 2- is blended with magnesia in MERCAPTAN MODIFIED CHLOROPRENE RUBBERS in mixer
3 minutes, sizing material two is obtained, it is spare after being taken out in mixer；
(3) mixer temperature is set as 80 DEG C, and the sizing material one prepared and sizing material two are entered and are kneaded 0.5-1 points in mixer
Clock, be added stearic acid, anti-aging agent, carbon black be kneaded 2-3 minute, then be added dioctyl sebacate mixing 1.5-2 minutes, finally plus
Enter Sulfur, zinc oxide and promotor and be kneaded 2-3 minutes discharges, obtains new automobile air spring outer layer sizing material.
Epoxy natural rubber is to carry out epoxy to Heveatex using Peracetic acid or peroxyformic acid in acid condition
Change preparation.Its reaction mechanism mechanism of reaction is as follows:
It can be seen that from the structure of epoxy natural rubber and contain polar epoxidation group and nonpolar in strand
The isoprene main chain of natural rubber.The solubility parameter of ENR-25 is 8.83, has good compatibility (neoprene with neoprene
8.85) rubber solution degree parameter is.Therefore epoxy natural rubber ENR-25 can be blended with neoprene according to arbitrary proportion
Without occurring mutually separating, it ensure that the Macroscopic physicals such as blended rubber tensile strength with higher, ozone resistance and fatigue durability
Mechanical energy.
The isoprene molecular backbone of epoxy natural rubber ensure that epoxy natural rubber and natural rubber have simultaneously
There are good compatibility and co-vulcanization characteristic, therefore the epoxy natural rubber being blended with neoprene both can guarantee neoprene
Blended characteristic can have again with the cord ply compound containing natural rubber and good compatibility and generate co-vulcanization effect, make air bullet
Spring outer layer glue and cord ply compound have very high bonding force, and it is existing to ensure that outer layer glue and cord ply compound do not generate delamination in fatigue process
As to improve air spring fatigue life.
Neoprene is a kind of synthetic rubber obtained by emulsion polymerisation process, and molecule knot is as follows:
The cloud density on C-Cl key in neoprene is big, and key is secured, and chlorine atom is not easy to be substituted, while π electricity
Sub- cloud delocalization makes in double bond cloud density small compared to general pi bond, so double bond is longer than general pi bond, is also less likely to occur to react.
Therefore it neoprene heatproof air aging performance and ozone aging performance and deflects fatigue behaviour and is better than general general purpose rubber.Cause
This can provide longer service life using neoprene in air spring outer layer glue for air spring.What the present invention selected
Thioalcohol type neoprene incipient scorch is long, and vulcanizing system is similar with epoxy natural rubber, can generate altogether with epoxy natural rubber
Sulfuration effect.
The present invention is solved using neoprene with epoxy natural rubber in air spring outer layer glue and with one side
The ozone-resistant aging property of air spring, heatproof air aging performance and deflect fatigue behaviour；On the other hand simple chlorine is also solved
Bond properties between fourth outer layer glue and natural rubber cord ply compound, therefore from improving air spring fatigue behaviour and interlaminar adhesion
Two aspect of energy solves the Fatigue Life Problems of automobile air spring.
The invention has the benefit that
New automobile air spring outer layer sizing material of the invention uses neoprene in formula and epoxidation is natural
Rubber blending, and select suitable vulcanizing system that the two is made to generate chemical crosslinking in formula, improve the use of air spring
Service life.Cooperate preparation method of the invention, obtained new automobile air spring outer layer properties of rubber is more superior.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is casing ply and outer layer glue occur in traditional neoprene (formula of the prior art 2) fatigue process of the invention
Peeling figure.
Fig. 2 is casing ply and outer layer glue occur in traditional neoprene (formula of the prior art 2) fatigue process of the invention
Peeling figure.
Fig. 3 is apparent condition figure after 1 air spring aging of the prior art 1 year.
Fig. 4 is apparent condition figure after 1 air spring aging of the embodiment of the present invention 1 year.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Embodiment 1:
A kind of automobile air spring outer layer sizing material, including following components by weight: 70 parts of neoprene；Epoxy
Change 30 parts of natural rubber ENR-25；50 parts of carbon black N550；25 parts of carbon black N660；Dioctyl sebacate 12；Anti-aging agent 3,100 3
Part；3 parts of antioxidant BLE；6 parts of zinc oxide；2.5 parts of stearic acid；4.5 parts of magnesia；2.7 parts of Sulfur；Diphenylguanidine OTG 1.5
Part；2.25 parts of promotor ETU, 0.6 part of calcium oxide.
A kind of new automobile air spring preparation method of outer layer sizing material, steps are as follows:
(1) smelting temperature is set as 50-60 DEG C, and epoxy natural rubber ENR-25 is blended in mixer with calcium oxide
It is 2-3 minutes, spare after being taken out in mixer.
(2) smelting temperature is set as 70-80 DEG C, and neoprene is blended in mixer 2-3 minutes with magnesia, from close
It is spare after being taken out in mill.
(3) mixer temperature is set as 80 DEG C, and the epoxy natural rubber prepared and neoprene are put into mixer
Middle mixing 0.5-1 minutes is added stearic acid, anti-aging agent, carbon black and is kneaded 2-3 minutes, plasticizer is then added and is kneaded 1.5-2 points
Clock, is eventually adding Sulfur and promotor is kneaded 2-3 minutes discharges.
Embodiment 2:
A kind of automobile air spring outer layer sizing material, including following components by weight: (mercaptan is adjusted neoprene
Type) 70 parts；20 parts of epoxy natural rubber ENR-25；10 parts of epoxy natural rubber ENR-50；60 parts of carbon black N550；Charcoal
20 parts of black N660；Dioctyl sebacate 12；3,100 3 parts of anti-aging agent；3 parts of antioxidant BLE；6 parts of zinc oxide；3 parts of stearic acid；
5 parts of magnesia；2.5 parts of Sulfur；1.5 parts of diphenylguanidine OTG；2.25 parts of promotor ETU, 0.6 part of calcium oxide.
Preferably, the epoxy natural rubber ENR-25 is the natural rubber of epoxidation that epoxidation level is 25mol%
Glue.
Preferably, the epoxy natural rubber ENR-50 is the natural rubber of epoxidation that epoxidation level is 50mol%
Glue.
A kind of new automobile air spring preparation method of outer layer sizing material, steps are as follows:
(1) smelting temperature is set as 50-60 DEG C, and epoxy natural rubber is blended in mixer to 2-3 points with calcium oxide
Clock, it is spare after being taken out in mixer.
(2) smelting temperature is set as 70-80 DEG C, and neoprene is blended in mixer 2-3 minutes with magnesia, from close
It is spare after being taken out in mill.
(3) mixer temperature is set as 80 DEG C, and the epoxy natural rubber prepared and neoprene are put into mixer
Middle mixing 0.5-1 minutes is added stearic acid, anti-aging agent, carbon black and is kneaded 2-3 minutes, plasticizer is then added and is kneaded 1.5-2 points
Clock is eventually adding Sulfur, zinc oxide and promotor and is kneaded 2-3 minutes discharges.
Comparative example 1
The formula of the prior art 1 of automobile air spring outer layer sizing material: i.e. traditional natural rubber formula: natural gum 100
Part；5 parts of zinc oxide；1.5 parts of stearic acid；1.5 parts of anti-aging agent RD；2 parts of antioxidant 4020；18 parts of carbon black N330；Carbon black N660
35 parts；10 parts of naphthenic oil；1.8 parts of Sulfur；1.2 parts of accelerant CZ；0.2 part of Vulcanization accelerator TMTD.
The formula of the prior art 2 of automobile air spring outer layer sizing material: i.e. traditional Chloroprene rubber formula: neoprene 70
Part；30 parts of natural rubber；4 parts of magnesia；0.5 part of stearic acid；2 parts of anti-aging agent OD；2 parts of antioxidant D APD；2 parts of microwax；
10 parts of carbon black N220；40 parts of carbon black N774；5 parts of zinc oxide；0.5 part of Sulfur；0.5 part of promotor TBzTD；Antiscorching agent 0.3
Part.
The present invention tests the Shao Er A type hardness tester of sizing material according to GB/T531.1-2008；Glue is tested according to GB/T528-2009
Expect tensile strength and elongation rate of tensile failure；Sizing material thermal aging property is tested according to GB/T3512-2014；According to GB/T7762-
The ozone aging performance of 2014 test sizing materials；According to the flex crack performance of GB/T13934-2006 test sizing material；According to GB/
The tear resistance of T529-2008 measurement sizing material；According to the black brittleness temperature of GB/T1682-2014 measurement sizing material.
Rubber material of the present invention and traditional rubber material basic performance comparison are as shown in table 1.
The comparison of 1 sizing material basic performance of table
It can be seen from the data in Table 1 that sizing material of the present invention is not influencing other performance compared with traditional natural gum outer layer glue
On the basis of significantly improve the ozone-resistant aging property of sizing material, thermal aging property and deflect performance.
Comparative example 2
(the i.e. above-mentioned prior art 1 and the prior art 2 are matched for the automobile air spring of sizing material of the present invention production and tradition sizing material
Just) the automobile air spring performance comparison of production is as shown in table 2.
The making step of air spring are as follows: 1, with tri-roll press machine inside and outside layer sizing is rolled into certain thickness glue
Piece；Casing ply glue rubber is carried out with cord with four-roll calender to be bonded.2, it requires according to technique by hose lining, casing ply, outer
Layer glue, which is successively fitted on former, is made blastaea.3, according to certain sulfuration process by capsule be put into vulcanizer mold into
Row, which vulcanizes, is made capsule.4, the components such as air spring capsule, piston, upper cover are assembled, air spring is made.
Test method: according to pressure drop for 24 hours, burst pressure and the fatigue test of GB/T13061-1991 test air spring；
According to the adhesive strength of GB/T532-2008 measurement air spring carcass compound and outer layer sizing material.
The comparison of 2 automobile air spring performance of table
It can be seen that sizing material of the present invention and traditional natural gum outer layer glue from 2 automobile air spring performance comparative test of table
Compared to air-tightness, casing ply and the outer layer glue adhesive strength and fatigue behaviour for improving air spring；With traditional neoprene outer layer
Glue, which is compared, significantly improves air-tightness and casing ply and outer layer glue adhesive strength.
The slight variations for studying the recipe ingredient of the new automobile air spring outer layer sizing material, to the shadow of finished product colloidality energy
It rings, is standard with the embodiment of the present invention 1, the type and dosage of sizing material and auxiliary agent are adjusted, obtained sizing material is carried out
Performance detection.
Implement screening example 1
Specific data comparison is shown in Table 3.
The performance comparison table of 3 different ratio sizing material of table
By being adjusted to sizing material type, dosage and anti-aging agent type and dosage, it is found that the embodiment of the present invention 1
Proportion, the proportion of the type of sizing material is optimal, with epoxidation natural gum dosage increase or be added natural rubber, sizing material it is comprehensive
Can all it be declined；Equally, after the type and dosage that change anti-aging agent, the resistance to ozone and thermal-oxidative aging property of sizing material are also different
The decline of degree.
Implement screening example 2
Specific data comparison is shown in Table 4.
The performance comparison table of 4 different ratio sizing material of table
As can be seen from Table 4, change the tensile strength of sizing material after two kinds of epoxy natural rubber ratios and deflect performance
There is apparent influence, test result shows that the raw rubber ratio of the embodiment of the present invention 2 is optimum composition method；Equally to anti-aging agent
Type and dosage compare test it has also been found that anti-aging agent 3100 and antioxidant BLE are used in combination according to 1 to 1 in the embodiment of the present invention 2
When have optimal anti-aging effect.Therefore, the embodiment of the present invention 2 is the optimal mixing ratio of air spring.
Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention
It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention
Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should in covering scope of the invention/appoint
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention is answered described is with scope of protection of the claims
It is quasi-.
Claims (6)
1. a kind of new automobile air spring outer layer sizing material, which is characterized in that including following components by weight: mercaptan
60-80 parts of adjustment type neoprene；20-40 parts of epoxy natural rubber；20-70 parts of carbon black N550；Carbon black N660 18-30
Part；10-15 parts of dioctyl sebacate；4-7 parts of anti-aging agent；3-10 parts of zinc oxide；1-5 parts of stearic acid；3-8 parts of magnesia；Sulfur
1-5 parts；1.5-5 parts of promotor, 0.4-0.8 parts of calcium oxide.
2. new automobile air spring outer layer sizing material according to claim 1, which is characterized in that the epoxidation day
Right rubber is epoxy natural rubber ENR-25, epoxidation level 25mol%.
3. new automobile air spring outer layer sizing material according to claim 1, which is characterized in that the epoxidation day
Right rubber is 10-20 parts of epoxy natural rubber ENR-25 (epoxidation level 25mol%)；Epoxy natural rubber ENR-50
(epoxidation level 50mol%) 10-20 parts.
4. new automobile air spring outer layer sizing material according to claim 1, which is characterized in that the anti-aging agent is
The mixture of anti-aging agent 3100 and antioxidant BLE is mixed according to weight fraction ratio 1:1.
5. new automobile air spring outer layer sizing material according to claim 1, which is characterized in that the promotor is
The mixture of diphenylguanidine OTG and promotor ETU are mixed according to weight fraction ratio 1:1.5.
6. a kind of preparation method of new automobile air spring outer layer sizing material as described in claim 1, which is characterized in that step
It is rapid as follows:
(1) smelting temperature is set as 50-60 DEG C, and epoxy natural rubber is blended in mixer 2-3 minutes with calcium oxide, is obtained
It is spare after being taken out in mixer to sizing material one；
(2) smelting temperature is set as 70-80 DEG C, and MERCAPTAN MODIFIED CHLOROPRENE RUBBERS is blended in mixer to 2-3 points with magnesia
Clock obtains sizing material two, spare after taking out in mixer；
(3) mixer temperature is set as 80 DEG C, and the sizing material one prepared and sizing material two are entered in mixer and are kneaded 0.5-1 minutes,
Stearic acid, anti-aging agent, carbon black is added to be kneaded 2-3 minutes, dioctyl sebacate is then added and is kneaded 1.5-2 minutes, is eventually adding
Sulfur, zinc oxide and promotor are kneaded 2-3 minutes discharges, obtain new automobile air spring outer layer sizing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709128.8A CN110343303A (en) | 2019-08-01 | 2019-08-01 | A kind of new automobile air spring outer layer sizing material and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910709128.8A CN110343303A (en) | 2019-08-01 | 2019-08-01 | A kind of new automobile air spring outer layer sizing material and preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358667A (en) * | 2020-12-01 | 2021-02-12 | 中国第一汽车股份有限公司 | Rubber composition and preparation method and application thereof |
| CN112521665A (en) * | 2020-12-04 | 2021-03-19 | 江苏冠联新材料科技股份有限公司 | High-performance rubber material for air spring |
-
2019
- 2019-08-01 CN CN201910709128.8A patent/CN110343303A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112358667A (en) * | 2020-12-01 | 2021-02-12 | 中国第一汽车股份有限公司 | Rubber composition and preparation method and application thereof |
| CN112521665A (en) * | 2020-12-04 | 2021-03-19 | 江苏冠联新材料科技股份有限公司 | High-performance rubber material for air spring |
| CN112521665B (en) * | 2020-12-04 | 2022-11-29 | 江苏冠联新材料科技股份有限公司 | High-performance rubber material for air spring |
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Application publication date: 20191018 |
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