CN105778381B - A kind of ACM material, preparation method and applications - Google Patents
A kind of ACM material, preparation method and applications Download PDFInfo
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- CN105778381B CN105778381B CN201510402209.5A CN201510402209A CN105778381B CN 105778381 B CN105778381 B CN 105778381B CN 201510402209 A CN201510402209 A CN 201510402209A CN 105778381 B CN105778381 B CN 105778381B
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Abstract
The invention mainly relates to a kind of ACM material, preparation method and applications.Described ACM material is mainly prepared by the following raw material in parts by weight：90 110 parts of modified active chlorine type acrylate, reinforcing agent 60 85, age resistor 13 and vulcanizing agent 3.3 4.2；Wherein, the ACM material passes through post-cure, and the time of the post-cure is 6 8h.The ACM material processing characteristics of the present invention is excellent, the easy demoulding of product, and use temperature range is wide, it can be used at 35 150 DEG C, lubricating oil resistance energy is good, tensile property loss is small, Volume Changes are small, compression is small, and meet popular PV3307 compression, and cost is low, beneficial to popularization and application.
Description
Technical field
The invention belongs to field of rubber technology, more particularly to a kind of ACM material, preparation method and applications.
Background technology
Bottom-end gasket is arranged between oil sump and gearbox, is produced screen resilience after being deformed by rubber extruded, is disappeared
Seal contact pressure is produced except the gap after installation, and on required sealing area surface, so as to prevent transmission internal lubricating oil
Leak out, because its operating temperature high temperature can reach 150 DEG C, and fluorine glue and ethylene-acrylate cost are very high, therefore ACM third
Olefin(e) acid ester turns into optimal selection.
Bottom-end gasket structure is complex, and ACM acrylate processing characteristicies are poor, easily has current mark, mould dirty etc. and asks
Topic.Pilotage people of the popular company as automobile industry, there are the elastomeric material performance requirement of oneself, particularly compression set
Performance, this requires that ACM easily reaches, but the method for requiring to test is germany volkswagen PV3307 standards,
PV3307 is sample after high-temperature cabinet takes out cooling 3h, unclamps the compression set that compression clamper determines sample in 5 seconds again.
Its PV3307 compression set causes many materials to be all difficult to pass through.Therefore design with good processing characteristics, meet
The ACM of PV3307 compression sets is very necessary.
The A of CN 103497471 disclose a kind of inexpensive ACM and preparation method thereof, and it is first by acrylic acid
In the input mill of ester rubber, filler, stearic acid and age resistor Naugard445 are then put into successively, continues to throw after well mixed
Enter carbon black N330 and plasticizer, put into vulcanizing agent and accelerant B Z after being well mixed, by vulcanizing twice after being kneaded uniformly, produce
Product ACM.The invention improves the defects of existing ACM compression set.
The content of the invention
It is an object of the invention to provide a kind of ACM material, preparation method and applications, the acrylic acid
Ester rubber material compression deformation is small, can meet popular PV3307 compression.
To use following technical scheme up to this purpose, the present invention：
On the one hand, the invention provides a kind of ACM material, described ACM material is by weight
Number is mainly prepared by the following raw material：
Wherein, the ACM material passes through post-cure, and the time of the post-cure is 6-8h.
Preferably, described modified active chlorine type acrylate is modified active chlorine type acrylate -40~-30
DEG C flexible, the elasticity preferably refers to, and the modified active chlorine type acrylate is in -40~-30 DEG C of bending 180 degrees without splitting
Line.
Preferably, the modified active chlorine type acrylate is 90-110, for example, can be 90,92,94,96,98,100,
101st, 102,103,105,106,108,109 or 110, preferably 100.
Preferably, the reinforcing agent is carbon black, preferably fast extrude in carbon black FEF, and the fast extrude in carbon black FEF is 60-85,
Such as can be 60,61,62,65,66,68,70,72,75,78,80,82,83,84 or 85.
Preferably, the age resistor is double (alpha, alpha-dimethylbenzyl) diphenylamines of 4,4'-, 4, the 4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines is 1-3, such as can be 1,1.2,1.5,1.6,1.8,2,2.1,2.2,2.3,2.5,2.6,2.8 or 3.
Preferably, the vulcanizing agent is the mixture of sulphur, odium stearate or potassium stearate.
In the present invention, sulphur is used alone can not be vulcanized as vulcanizing agent, described elastomeric compound.
The sulphur is 0.3-0.4, for example, can be 0.3,0.31,0.32,0.33,0.34,0.35,0.36,0.37,
0.38th, 0.39 or 0.4.
The odium stearate is 2.5-3.3, such as can be 2.5,2.6,2.7,2.8,2.9,3,3.1,3.2 or 3.3.
The potassium stearate is 0.3-0.5, for example, can be 0.3,0.32,0.35,0.36,0.38,0.4,0.42,
0.43rd, 0.45,0.46,0.48 or 0.5.
Preferably, described ACM material also includes appointing in activating agent, antiscorching agent, plasticizer or lubricant
Anticipate a kind of or at least two combinations.
Preferably, described activating agent is stearic acid and/or zinc stearate, preferably stearic acid, and the stearic acid is 1-
1.5, such as can be 1,1.1,1.2,1.3,1.4 or 1.5.
Preferably, the antiscorching agent is N- cyclohexylthiophthalimides.
Preferably, the parts by weight of the antiscorching agent are 0.3-0.5, for example, can be 0.3,0.35,0.4,0.45 or
0.5。
Preferably, described plasticizer is mixing Etheric ester type plasticizer；
Preferably, the parts by weight of the plasticizer are 0-5, for example, can be 0,0.01,0.1,0.2,0.5,0.6,
0.8th, 0.9,1,1.2,1.3,1.5,1.6,1.8,2,2.2,2.5,2.6,2.8,3,3.5,3.8,4,4.5 or 5.
Preferably, the lubricant is the high molecular weight fatty acid ester emulsion combined on inorganic carrier, is preferably
WB222。
Preferably, the parts by weight of the lubricant are 0.5-1.5, for example, can be 0.5,0.6,0.7,0.8,0.9,1,
1.1st, 1.2,1.3,1.4 or 1.5.
In the present invention, described modified active chlorine type acrylate is the monomer modified low form acrylate of low temperature, is led to
Crossing modification not only allows ACM material to meet 150 DEG C of high temperature long-term uses, more can be in -35 DEG C of holdings of low temperature
Certain elasticity, ensure that gearbox also will not oil leak in cold-starting；Not only obtained well by modified acrylate
Cryogenic property, larger improvement is there has also been in compression.
Second aspect, present invention also offers a kind of side of the ACM material prepared as described in relation to the first aspect
Method, methods described comprise the following steps：
(1) dispensing is carried out by formula, then banburying, obtains elastomeric compound, carry out the test of hardness, intensity and elongation；
(2) elastomeric compound of step (1) test passes is molded and vulcanized；
(3) post-cure, then examine to obtain ACM material.
Preferably, it is qualified that the hardness of the elastomeric compound, which is 70 ± 5 degree,.
Preferably, the intensity of the elastomeric compound is that 10-14MPa is qualified.
Preferably, the elongation of the elastomeric compound is that 140-200% is qualified.
Preferably, the vulcanizing system in the vulcanization described in step (2) is soap sulfur vulcanization system.
Preferably, the temperature of step (3) described post-cure is 170-180 DEG C, preferably 175 DEG C.
Preferably, the time of step (3) described post-cure is 6-8h.
In the present invention, the acrylate of the soap sulfur vulcanization system has good processing characteristics, the storage of synthetic rubber
Stability is good, but compression is larger, in order to ensure its good compression, it is necessary to which the product after vulcanization is carried out into two sections
Vulcanization.In order to ensure that vulcanization is abundant, it is 175 DEG C by post vulcanization temperature setting, the time lengthening of post vulcanization to 6-8h carries
The high buckling performance of ACM, it is ensured that the buckling of product can be the same as the ACM of TCY vulcanizing systems
Buckling compares favourably, and can be tested completely by popular PV3307 compression, and will not be as the acrylic acid of TCY vulcanizing systems
Ester gum material easy incipient scorch (in addition plus) in shaping；And although generally carboxylic acid type acrylate HT-ACM has more preferable high temperature resistant
Performance and on sample block measurement have good compression, but when using 2mm test pieces with PV3307 method of testings, its
Compression is but difficult to meet popular requirement.
Preferably, the method for the ACM material of the preparation as described in relation to the first aspect, is comprised the following steps that：
(1) all raw materials are sent into banbury by formula, synthetic rubber are obtained by banbury, by obtained elastomeric compound
Hardness, intensity and elongation carry out the test of hardness, intensity and elongation；Wherein, hardness is 70 ± 5 degree, intensity 10-
14MPa, the synthetic rubber that elongation is 140-200% are qualified elastomeric compound；
Preferably, raw material feeding banbury is used into two-stage mixing, comprised the following steps that：
One section：It is by formula that the monomer modified active chlorine type acrylate of low temperature, stearic acid, fast extrude in carbon black, 4,4'- is double
(alpha, alpha-dimethylbenzyl) diphenylamines, antiscorching agent, plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Vulcanizing agent is added in the masterbatch obtained to one section, low speed banburying 30-40s, is further accelerated to one section of speed
40-60s is kneaded, then in 90-100 DEG C of dumping, obtains elastomeric compound.
(2) the qualified elastomeric compound that detects for obtaining step (1) carries out mill shaping by mill at 60-70 DEG C,
The rubber after shaping is put into the mould in vulcanizing equipment again, is 170-190Kgf/cm in pressure2, temperature is 170-180 DEG C
Under conditions of, vulcanizing treatment is carried out to elastomeric compound, cure time is the 300-420 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 170-180 DEG C of baking oven after deburring, preferably
Post-cure, post-cure time 6-8h are carried out under the conditions of 175 DEG C；
(4) product after vulcanization is tested, it is ACM to examine qualified product.
In the present invention, using two-stage mixing, wherein one section of temperature height can improve the scattered and absorption with rubber of carbon black,
The tensile strength after rubber vulcanization can be lifted；Two sections reduce temperature and prevent ACM incipient scorch；Obtained by two-stage mixing
Evenly, performance is more preferable for the synthetic rubber mixing arrived.
The third aspect, the present invention provide a kind of ACM material as described in relation to the first aspect in bottom-end gasket
On application.
Compared with prior art, the present invention has the advantages that：
(1) ACM material processing characteristics of the invention is excellent, the easy demoulding of product, and use temperature range
Extensively, can be used at -35-150 DEG C, lubricating oil resistance energy is good, tensile property loss is small, Volume Changes are small, compression is small, and
Meet popular PV3307 compression；
(2) present invention from modified active chlorine type acrylate compared to carboxylic acid type acrylate it is cheap, saved into
This；
(3) present invention uses two-stage mixing so that is more easy to mutually fully be divided between ACM and vulcanizing agent
Dissipate, intermolecular combination produces cooperative effect, greatly improves elastomeric compound dispersing uniformity；And extend the time of post vulcanization to 6-
8h, the buckling performance of ACM is improved, reduced than carrying out bis- sections of the 3-4h buckling performance of ACM
1/3。
Embodiment
Further to illustrate the technological means and its effect of the invention taken, enter below by way of embodiment
One step illustrates technical scheme, but the present invention is not limited in scope of embodiments.
Embodiment 1
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, mixing Etheric ester type plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Addition sulphur, potassium stearate and odium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the test of hardness, intensity and elongation, wherein,
Hardness is 69 degree, intensity 9.7MPa, elongation 169%；
(2) the qualified elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then will shaping
Rubber afterwards is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to be kneaded
Glue carries out vulcanizing treatment, and cure time is 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 6h；
(4) product after vulcanization is tested.
Embodiment 2
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, mixing Etheric ester type plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the test of hardness, intensity and elongation, wherein,
Hardness is 72 degree, intensity 10.3MPa, elongation 155%；
(2) the qualified elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then will shaping
Rubber afterwards is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to be kneaded
Glue carries out vulcanizing treatment, and cure time is 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 8h；
(4) product after vulcanization is tested.
Embodiment 3
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, mixing Etheric ester type plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the detection of hardness, intensity and elongation, wherein,
Hardness is 70 degree, intensity 9.9MPa, elongation 160%；
(2) elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then by the rubber after shaping
Glue is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to elastomeric compound carry out
Vulcanizing treatment, cure time are 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 8h；
(4) product after vulcanization is tested.
Embodiment 4
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, mixing Etheric ester type plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the detection of hardness, intensity and elongation, wherein,
Hardness is 70 degree, intensity 9.9MPa, elongation 160%；
(2) elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then by the rubber after shaping
Glue is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to rubber carry out sulphur
Change is handled, and cure time is 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 8h；
(4) product after vulcanization is tested.
Embodiment 5
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, mixing Etheric ester type plasticizer and lubricant feeding banbury, the banburying 5min in banbury,
110-120 DEG C of dumping；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained synthetic rubber are carried out to the detection of hardness, intensity and elongation, its
In, hardness is 70 degree, intensity 9.9MPa, elongation 160%；
(2) synthetic rubber that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then by after shaping
Rubber is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to rubber carry out
Vulcanizing treatment, cure time are 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 8h；
(4) product after vulcanization is tested.
Comparative example 1
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by acrylate, stearic acid, fast extrude in carbon black, double (bis (alpha, alpha-dimethylbenzyl) base) hexichol of 4,4'-
Amine, antiscorching agent, mixing Etheric ester type plasticizer and lubricant are sent into banbury, the banburying 5min in banbury, 110-120 DEG C of row
Glue；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the test of hardness, intensity and elongation, wherein,
Hardness is 67 degree, intensity 10MPa, elongation 220%；
(2) elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then by the rubber after shaping
Glue is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to elastomeric compound carry out
Vulcanizing treatment, cure time are 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 8h；
(4) product after vulcanization is tested.
Comparative example 2
A kind of ACM material is mainly prepared by the following raw material in parts by weight：
(1) all raw materials are sent into banbury by formula and carry out two-stage mixing, comprised the following steps that：
One section：By formula by modified active chlorine type acrylate, stearic acid, fast extrude in carbon black, 4,4'- double (α, alpha, alpha-dimethyls
Base benzyl) diphenylamines, antiscorching agent, plasticizer and lubricant feeding banbury, the banburying 5min in banbury, 110-120 DEG C of row
Glue；
Two sections：Addition sulphur, odium stearate and potassium stearate in the masterbatch obtained to one section, low speed banburying 30-40s,
Further accelerate to one section of speed and be kneaded 40-60s, then in 90-100 DEG C of dumping, obtain elastomeric compound；
The hardness, intensity and elongation of obtained elastomeric compound are carried out to the test of hardness, intensity and elongation, wherein,
Hardness is 70 degree, intensity 9.9MPa, elongation 190%；
(2) elastomeric compound that step (1) obtains is subjected to mill shaping by mill at 60 DEG C, then by the rubber after shaping
Glue is put into the mould in vulcanizing equipment, is 190Kgf/cm in pressure2, temperature be 175 DEG C under conditions of, to elastomeric compound carry out
Vulcanizing treatment, cure time are 300 seconds；
(3) post vulcanization：Deburring is carried out to the product after vulcanization, product is placed on 175 DEG C of post-cures of baking oven after deburring,
The time of post-cure is 4h；
(4) product after vulcanization is tested.
The performance test of ACM prepared by embodiment 1-5 and comparative example 1-2, as a result as shown in table 1：
Table 1
It can be seen that from embodiment 1-5 and comparative example 1-2 and common chlorine type crylic acid ester mixture used in the raw material of comparative example 1
Rubber master batch elongation afterwards is relatively longer, and the rubber master batch after modified active chlorine type crylic acid ester mixture is used in remaining embodiment raw material
Elongation is all relatively short.The pressure after embodiment 1-5 PV3307 permanent deformation compressions is can be seen that from the performance test of table 1
Contracting amount is significantly lower than comparative example 1-2, reduces 1/3, and uses common acrylate at -35 DEG C after bending shaft in raw material
Crack.The ACM material of the application is can be seen that from the test performance after hot air aging and machine oil storage
It is suitable with ACM material of the prior art in heat-proof aging and resistance to machine oil performance.
In summary, compression is reduced to by the present invention by 6-8h post vulcanization only carries out three points of bis- sections of 3-4h
Two, PV3307 compression requirement can be easily met；Modified active chlorine type acrylate causes ACM
Material can meet 150 DEG C of high temperature long-term uses, more in the certain elasticity of -35 DEG C of holdings of low temperature gearbox can be ensured low
During startup temperature also will not oil leak, there has also been larger improvement in compression, and saved cost.The acrylate rubber of the present invention
Glue material processing characteristics is excellent, the easy demoulding of product, and use temperature range is wide, can be used at -35-150 DEG C, resistance to lubricating oil
Performance is good, tensile property loss is small, Volume Changes are small, easy to utilize.
Applicant states that the present invention illustrates the method detailed of the present invention, but not office of the invention by above-described embodiment
It is limited to above-mentioned method detailed, that is, does not mean that the present invention has to rely on above-mentioned method detailed and could implemented.Art
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, selection of concrete mode etc., within the scope of all falling within protection scope of the present invention and disclosing.
Claims (27)
- A kind of 1. ACM material, it is characterised in that described ACM material in parts by weight mainly by The following raw material is prepared：Wherein, the ACM material passes through post-cure, and time of the post-cure is 6-8h, described modification Active chlorine type acrylate is flexible at -40~-30 DEG C.
- 2. ACM material according to claim 1, it is characterised in that the modified active chlorine type acrylate 180 degree flawless is bent at -40~-30 DEG C.
- 3. ACM material according to claim 1, it is characterised in that the modified active chlorine type acrylate Parts by weight be 100.
- 4. ACM material according to claim 1, it is characterised in that the reinforcing agent is carbon black.
- 5. ACM material according to claim 4, it is characterised in that the reinforcing agent is fast extrude in carbon black FEF。
- 6. ACM material according to claim 1, it is characterised in that the age resistor be 4,4'- it is double (α, α- Dimethyl benzyl) diphenylamines.
- 7. ACM material according to claim 1, it is characterised in that the vulcanizing agent is sulphur, stearic acid The mixture of sodium and potassium stearate.
- 8. ACM material according to claim 1, it is characterised in that described ACM material is also Combination including any one in activating agent, antiscorching agent, plasticizer or lubricant or at least two.
- 9. ACM material according to claim 8, it is characterised in that described activating agent be stearic acid and/ Or zinc stearate.
- 10. ACM material according to claim 9, it is characterised in that described activating agent is stearic acid.
- 11. ACM material according to claim 8, it is characterised in that the parts by weight of the activating agent are 1-1.5。
- 12. ACM material according to claim 8, it is characterised in that the antiscorching agent is N- cyclohexyl sulphur For phthalimide.
- 13. ACM material according to claim 8, it is characterised in that the parts by weight of the antiscorching agent are 0.3-0.5。
- 14. ACM material according to claim 8, it is characterised in that described plasticizer is mixing ether-ether Type plasticizer.
- 15. ACM material according to claim 8, it is characterised in that the parts by weight of the plasticizer are 0-5。
- 16. ACM material according to claim 8, it is characterised in that the lubricant is on inorganic carrier With reference to high molecular weight fatty acid ester emulsion.
- 17. ACM material according to claim 8, it is characterised in that the lubricant is WB222.
- 18. ACM material according to claim 8, it is characterised in that the parts by weight of the lubricant are 0.5-1.5。
- A kind of 19. method for preparing the ACM material as any one of claim 1-18, it is characterised in that Methods described comprises the following steps：(1) dispensing is carried out by formula, then banburying, obtains elastomeric compound, carry out the test of hardness, intensity and elongation；(2) elastomeric compound of step (1) test passes is molded and vulcanized；(3) post-cure, ACM material is obtained.
- 20. according to the method for claim 19, it is characterised in that it is qualified that the hardness of the elastomeric compound, which is 70 ± 5 degree,.
- 21. according to the method for claim 19, it is characterised in that the intensity of the elastomeric compound is that 10-14MPa is qualified.
- 22. according to the method for claim 19, it is characterised in that the elongation of the elastomeric compound is that 140-200% is conjunction Lattice.
- 23. according to the method for claim 19, it is characterised in that the vulcanizing system in vulcanization described in step (2) is soap Sulfur vulcanization system.
- 24. according to the method for claim 19, it is characterised in that the temperature of step (3) described post-cure is 170-180 ℃。
- 25. according to the method for claim 24, it is characterised in that the temperature of step (3) described post-cure is 175 DEG C.
- 26. according to the method for claim 19, it is characterised in that the time of step (3) described post-cure is 6-8h.
- A kind of 27. ACM material as any one of claim 1-18 answering on bottom-end gasket With.
Priority Applications (1)
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| CN108102270B (en) * | 2018-01-30 | 2020-09-04 | 重庆江华橡塑制造有限公司 | Manufacturing process of sealing ring for oil filling cover |
| CN109438891A (en) * | 2018-10-19 | 2019-03-08 | 人本集团有限公司 | A kind of tear-resistant colorful rubber material of high intensity and preparation method thereof |
| CN109749322B (en) * | 2019-01-09 | 2021-04-27 | 黄山市尚义橡塑制品有限公司 | Sliding cross-linked network acrylate rubber sealing element and preparation method thereof |
| CN110294911B (en) * | 2019-07-08 | 2021-07-30 | 四川青龙丙烯酸酯橡胶有限公司 | Low-compression permanent-deformation active chlorine type acrylate rubber and preparation method thereof |
| CN110467789A (en) * | 2019-08-16 | 2019-11-19 | 广东亿达汽车密封件股份有限公司 | A kind of high-performance acrylic acid ester rubber and preparation method thereof |
| CN110746727A (en) * | 2019-10-31 | 2020-02-04 | 王佩洁 | Preparation method of wear-resistant and high-temperature-resistant material |
| CN111621110A (en) * | 2020-07-01 | 2020-09-04 | 广东天诚密封件股份有限公司 | Formula of high-performance carboxylic acid type acrylate rubber for injection process |
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| CN101319082A (en) * | 2008-07-16 | 2008-12-10 | 青岛茂林橡胶制品有限公司 | Rubber framework grease seal for automobile gear box and manufacturing method thereof |
| CN102993502A (en) * | 2012-11-01 | 2013-03-27 | 安徽荣达阀门有限公司 | High-temperature oil resistant nitrile rubber gasket and preparation method thereof |
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| CN101319082A (en) * | 2008-07-16 | 2008-12-10 | 青岛茂林橡胶制品有限公司 | Rubber framework grease seal for automobile gear box and manufacturing method thereof |
| CN102993502A (en) * | 2012-11-01 | 2013-03-27 | 安徽荣达阀门有限公司 | High-temperature oil resistant nitrile rubber gasket and preparation method thereof |
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