CN105670146B - A kind of transmission belt high-performance curing bag - Google Patents
A kind of transmission belt high-performance curing bag Download PDFInfo
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- CN105670146B CN105670146B CN201610181321.5A CN201610181321A CN105670146B CN 105670146 B CN105670146 B CN 105670146B CN 201610181321 A CN201610181321 A CN 201610181321A CN 105670146 B CN105670146 B CN 105670146B
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/283—Halogenated homo- or copolymers of iso-olefins
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
Abstract
The present invention provides a kind of transmission belt vulcanization of rubber gum cover, is prepared from the following raw materials in parts by weight：The brombutyl of 95 parts by weight, the neoprene of 5 parts by weight, the reinforcing agent of 30 60 parts by weight, the homogenizing agent of 15 parts by weight, the tackifying resin of 15 parts by weight, vulcanization phenolic resin, the microwax of 13 parts by weight, the surface lubricant of 13 parts by weight, the age resistor of 13 parts by weight, the accelerator of 13 parts by weight, the stearic acid of 0.2 1 parts by weight, the magnesia of 0.5 2 parts by weight, the zinc oxide of 5 parts by weight of 5 10 parts by weight.The vulcanization of rubber gum cover provided in the present invention, there is preferable air-tightness, ageing-resistant performance, resistance to permanent deformation, such performance and thermal-oxidative aging property, and the use cost with longer service life and relatively low product.
Description
Technical field
The present invention relates to a kind of rubber gum cover, and in particular to a kind of rubber gum cover for transmission belt vulcanizing.
Background technology
In the production process of transmission belt, gum cover is used to be enclosed on outside the sulfurizing mould of transmission belt, has and ensures transmission belt sulphur
Change pressure, prevent the effect of its high-temperature expansion；The quality and performance of gum cover can directly affect the performance of transmission belt.
Use under high temperature and the environment of humidity because gum cover needs are long-term, and can be born for a long time during use
The stress that inside and outside wall pressure differential is brought.Therefore, the thermo-oxidative ageing on surface easily occurs in use for gum cover, by stress
Caused permanent deformation；The degraded of rubber molecular chain even occurs during long-term use.
Because butyl rubber has relatively low degree of unsaturation, its isobutyl ethylene linkage has higher inertia, in the prior art often
Curing bag, but butyl rubber processing poor-performing are prepared with the excellent heat resistance of butyl rubber and resistance to ag(e)ing, it is and other
The compatibility and poor adhesion of rubber, and cure time is grown, production cost is higher.Also have using EPDM in the prior art to prepare
The technology of curing bag, although can be reduced by the optimization of balanced constant and vulcanizing system to reach certain effect
The cost of product, but poor mechanical property caused by EPDM design features itself, the problem of thermal contraction is big are difficult to be solved at all,
Product quality and life-span are difficult to be guaranteed.
The content of the invention
It is an object of the invention to provide the rubber gum cover of transmission belt, the vulcanization of rubber gum cover has heat-resisting oxygen old
Many advantages, such as change, high-temperature permanent deform small, Gao Tingxing, good processing characteristics.
The present invention realizes by the following technical solutions：
A kind of transmission belt vulcanization of rubber gum cover, is prepared from the following raw materials in parts by weight：The brominated butyl of 95 parts by weight
Rubber, the neoprene of 5 parts by weight, the reinforcing agent of 30-60 parts by weight, homogenizing agent, the thickening of 1-5 parts by weight of 1-5 parts by weight
Resin, the vulcanization phenolic resin of 5-10 parts by weight, the microwax of 1-3 parts by weight, the age resistor of 1-3 parts by weight, 1-3 parts by weight
Accelerator, the stearic acid of 0.2-1 parts by weight, the magnesia of 0.5-2 parts by weight, the zinc oxide of 5 parts by weight.
Vulcanization of rubber gum cover provided by the invention is possessed using brombutyl as key component, brombutyl
While superior tightness, high damping property, hypotonicity, due to the introducing of active bromine atoms, the type of cross-linking reaction is added,
Co-vulcanization preferably can also be carried out with other rubber while with excellent rate of cure, be effectively improved butyl in the prior art
The problem of vulcanization of rubber poor performance；The introducing of bromine atoms also improves simultaneously has more preferable compatibility and bonding with other rubber
Property, improves the uniformity of product, and heat resistance significantly improves.
In addition, the brombutyl in the present invention is vulcanized using phenolic resin vulcanization system, using the vulcanization body
For the cross-bond that the brombutyl of system's vulcanization is formed based on C-C the and C-O keys of high bond energy, the vulcanizing system gives bromination fourth
The base rubber preferably performance of heat-resisting, resistance to steam and resistance to permanent deformation, such；It is simultaneously higher compatible using having with brombutyl
The neoprene of property is excellent by neoprene while phenolic resin vulcanization system curing efficiency is improved as halogen donator
While different heat-resisting and ageing-resistant performance introduces gum cover, and IPN cross-linked network is formed in sulfidation, improve rubber
The associativity of interior molecules interchain, the vulcanization effect of phenolic resin vulcanization system is being greatly improved, while improving gum cover
Vulcanization characteristics and physical and mechanical properties.Relatively with adding the halogen such as stannous chloride, iron chloride, diphenyl bromomethane in the prior art
Compound carrys out catalysed phenolic resin vulcanization reaction, and the present invention, which solves the halide commonly used in phenolic resin vulcanization system, has corrosion
Property, the shortcomings that dosage how perishable product.
The ageing-resistant performance of product can be improved by adding microwax in vulcanization of rubber gum cover, gum cover is reduced and is using
During the crackle that is formed.
Preferably, the tackifying resin be SP1068 resins, vulcanization phenolic resin be SP1044 resins.
Preferably, the reinforcing agent is carbon black N220, carbon black N330 or carbon black N375.
Preferably, the age resistor is antioxidant 2246, age resistor 1010 or antideteriorant BHT.
Preferably, the homogenizing agent is homogenizing agent D95.
Preferably, the mica powder of 1-10 parts by weight is included.
By adding mica powder in system, the characteristics of its radius-thickness ratio is high, and barriering efficiency is high can be utilized, is further improved
The air-tightness of curing bag.
Present invention also offers the preparation method of above-mentioned rubber gum cover, specifically comprise the following steps：
(1) refining glue：Match somebody with somebody honest material according to recipe requirements, be kneaded in initial temperature is 90 DEG C of banbury, during mixing
Between be 10 minutes, 130 DEG C of dumpings；In extrusion molding of extruder after parking 24 hours, the film that thickness is 7-9mm is made；
(2) it is molded：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
(3) joint：Sulfide film is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The vulcanization of rubber gum cover provided in the present invention, has selected the butyl rubber bromide for possessing superior heat resistance and ageing-resistant performance
Glue is carried as solvent, while using the neoprene for containing halogen as auxiliary element for phenolic resin vulcanization system
While for halogen, the performance of neoprene is introduced into curing bag, is formed in sulfidation and mutually passes cross-linked network, simultaneously
Goods cost is reduced, while also solving phenolic resin curative in the prior art needs addition high pollution and corrosive halogen to add
Add the technical problem of agent, air-tightness, ageing-resistant performance, resistance to permanent deformation, such performance and the hot oxygen for effectively raising curing bag are old
Change performance, the service life of curing bag greatly improved, reduce the use cost of product.
Embodiment
Technical scheme is described in detail below by specific embodiment, but the scope of the present invention
It is not restricted by the embodiments.
Comparative example
This comparative example provides a kind of vulcanization of rubber gum cover, and the raw material for having following parts by weight is made：
The parts by weight of butyl rubber 95, the parts by weight of chlorobutyl rubber 5, the parts by weight of paraffin 2, the parts by weight of stearic acid 2, carbon black N330
50 parts by weight, the parts by weight of 202 phenolic resin 7.
The performance of the curing bag of preparation is as follows：Tensile strength 13.6MPa, shore a hardness 75, elongation rate of tensile failure 450%,
Break permanent deformation 12%, 145 DEG C × 48h compression sets 63%.
Embodiment 1
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the N330 of 60 parts by weight, the homogenizing agent D95 of 3 parts by weight, the thickening of 5 parts by weight
Resin S1068, the phenolic resin S1044 of 10 parts by weight, the microwax of 2 parts by weight, the altax of 1 parts by weight, 0.5 parts by weight
Stearic acid, magnesia, the zinc oxide of 5 parts by weight of 1 parts by weight.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 7mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
170 DEG C of elastomeric compound curing temperature, cure time 18 minutes, park 24 hours and carry out performance test.
Performance parameter is as follows：Mooney viscosity ML(1+4) 100℃83；Tensile strength 15.8MPa；Elongation at break 561%；
100% stretches 2.4MPa surely；300% stretches 8.5MPa surely；Tearing strength 35kN/m；Shore a hardness 70；145 DEG C × 48h compressions are permanent
Deformation 38%；Aging 145 DEG C × 48h post-tensioning intensity 14MPa；Elongation at break 250%；100% stretches 6.8MPa surely；Shao Er A
Hardness 88.
Embodiment 2
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the carbon black N220 of 30 parts by weight, the carbon black N330 of 30 parts by weight, 3 parts by weight
Homogenizing agent D95, the tackifying resin S1068 of 2 parts by weight, the phenolic resin S1044 of 7 parts by weight, the microwax of 2 parts by weight, 2 weight
The altax, the stearic acid of 0.3 parts by weight, the magnesia of 0.5 parts by weight, the zinc oxide of 5 parts by weight of part.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 7mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
170 DEG C of elastomeric compound curing temperature, cure time 18 minutes, park 24 hours and carry out performance test.
Mooney viscosity ML(1+4) 100℃78；Tensile strength 15.2MPa；Elongation at break 542%；100% stretches 3.4MPa surely；
300% stretches 9.5MPa surely；Tearing strength 37kN/m；Shore a hardness 79；145 DEG C × 48h compression sets 37%；Aging 145
DEG C × 48h post-tensioning intensity 13.9MPa；Elongation at break 243%；100% stretches 6.8MPa surely；Shore a hardness 83.
Embodiment 3
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the carbon black N220 of 60 parts by weight, the homogenizing agent D95 of 2.5 parts by weight, 5 parts by weight
Tackifying resin S1068, the phenolic resin S1044 of 5 parts by weight, the microwax of 1.5 parts by weight, 1 parts by weight altax,
The stearic acid of 0.7 parts by weight, the magnesia of 2 parts by weight, the zinc oxide of 5 parts by weight.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 7mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
Mooney viscosity ML(1+4) 100℃78；Tensile strength 14.6MPa；Elongation at break 518%；100% stretches 2.7MPa surely；
300% stretches 9.2MPa surely；Tearing strength 38kN/m；Shore a hardness 72；145 DEG C × 48h compression sets 35%；Aging 145
DEG C × 48h post-tensioning intensity 13.3MPa；Elongation at break 239%；100% stretches 6.8MPa surely；Shore a hardness 88.
Embodiment 4
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the carbon black N220 of 30 parts by weight, the homogenizing agent D95 of 1.5 parts by weight, 4 parts by weight
Tackifying resin S1068, the phenolic resin S1044 of 10 parts by weight, the microwax of 1.5 parts by weight, the altax of 1 parts by weight, 1
The stearic acid of parts by weight, the magnesia of 1 parts by weight, the zinc oxide of 5 parts by weight, the mica powder of 5 parts by weight, 2 parts by weight it is anti-old
Agent 2246.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 9mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
Mooney viscosity ML(1+4) 100℃90；Tensile strength 16.6MPa；Elongation at break 497%；100% stretches 2.9MPa surely；
300% stretches 7.8MPa surely；Tearing strength 36kN/m；Shore a hardness 81；145 DEG C × 48h compression sets 41%；Aging 145
DEG C × 48h post-tensioning intensity 15.2MPa；Elongation at break 317%；100% stretches 6.2MPa surely；Shore a hardness 85.
Embodiment 5
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the carbon black N375 of 30 parts by weight, the homogenizing agent D95 of 1.5 parts by weight, 3 parts by weight
Tackifying resin S1068, the phenolic resin S1044 of 8 parts by weight, the microwax of 2.5 parts by weight, 2 parts by weight altax,
The stearic acid of 0.6 parts by weight, the magnesia of 2 parts by weight, the zinc oxide of 3 parts by weight, the mica powder of 5 parts by weight, 2 parts by weight it is anti-
Old agent 1010.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 8mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
Mooney viscosity ML(1+4) 100℃90；Tensile strength 16.4MPa；Elongation at break 448%；100% stretches 3.5MPa surely；
300% stretches 9.2MPa surely；Tearing strength 42kN/m；Shore a hardness 83；145 DEG C × 48h compression sets 48%；Aging 145
DEG C × 48h post-tensioning intensity 16.1MPa；Elongation at break 397%；100% stretches 6.2MPa surely；Shore a hardness 88.
Embodiment 6
A kind of vulcanization of rubber gum cover is present embodiments provided, is prepared from the following raw materials in parts by weight：The bromine of 95 parts by weight
Change butyl rubber, the neoprene of 5 parts by weight, the carbon black N375 of 60 parts by weight, the homogenizing agent D95 of 4.5 parts by weight, 1 parts by weight
Tackifying resin S1068, the phenolic resin S1044 of 5 parts by weight, the microwax of 1.5 parts by weight, 2 parts by weight altax,
The stearic acid of 0.2 parts by weight, the magnesia of 1.4 parts by weight, the zinc oxide of 5 parts by weight, the mica powder of 5 parts by weight, 2 parts by weight
Antideteriorant BHT.
The present embodiment additionally provides the preparation method of above-mentioned rubber gum cover, comprises the following steps：
Refining glue：Stocked up according to above-mentioned formula, add in the banbury that initial temperature is 90 DEG C and be kneaded, mixing time is
10 minutes, 130 DEG C of dumpings, in extrusion molding of extruder after then parking 24 hours, the film that thickness is 7mm is made；
Molding：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
Joint：The film for rubber vulcanizated is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
The performance of curing bag manufactured in the present embodiment is as follows：
Mooney viscosity ML(1+4) 100℃78；Tensile strength 17.6MPa；Elongation at break 531%；100% stretches 2.6MPa surely；
300% stretches 9.5MPa surely；Tearing strength 39kN/m；Shore a hardness 79；145 DEG C × 48h compression sets 37%；Aging 145
DEG C × 48h post-tensioning intensity 17MPa；Elongation at break 473%；100% stretches 6.1MPa surely；Shore a hardness 82.
By the contrast of embodiment and comparative example, can significantly it find out, sulphur prepared by technical scheme provided by the invention
Change glue he, have higher building reason machinery system can while, ageing-resistant system can and carrying of also being replied of compression set performance
It height, can effectively extend the service life of curing bag, reduce the cost and labour cost of replacing, improve production efficiency.
Claims (8)
1. a kind of transmission belt vulcanization of rubber gum cover, is prepared from the following raw materials in parts by weight：The butyl rubber bromide of 95 parts by weight
Glue, the neoprene of 5 parts by weight, the reinforcing agent of 30-60 parts by weight, the homogenizing agent of 1-5 parts by weight, the thickening tree of 1-5 parts by weight
Fat, the vulcanization phenolic resin of 5-10 parts by weight, the microwax of 1-3 parts by weight, the age resistor of 1-3 parts by weight, the rush of 1-3 parts by weight
Enter agent, the stearic acid of 0.2-1 parts by weight, the magnesia of 0.5-2 parts by weight, the zinc oxide of 5 parts by weight.
2. transmission belt according to claim 1 vulcanization of rubber gum cover, it is characterised in that：The tackifying resin is SP1068
Resin, vulcanization phenolic resin are SP1044 resins.
3. transmission belt according to claim 2 vulcanization of rubber gum cover, it is characterised in that：The reinforcing agent is carbon black
N220, carbon black N330 or carbon black N375.
4. transmission belt according to claim 3 vulcanization of rubber gum cover, it is characterised in that：The age resistor is age resistor
2246th, age resistor 1010 or antideteriorant BHT.
5. transmission belt according to claim 4 vulcanization of rubber gum cover, it is characterised in that：The homogenizing agent is homogenizing agent
D95。
6. transmission belt according to claim 5 vulcanization of rubber gum cover, it is characterised in that：The transmission belt vulcanization of rubber
Gum cover also includes the mica powder of 1-10 parts by weight.
A kind of 7. method for preparing any described transmission belt vulcanization of rubber gum covers of claim 1-5, it is characterised in that the party
Method comprises the following steps：
(1) refining glue：By the brombutyl of 95 parts by weight, the neoprene of 5 parts by weight, the reinforcing agent of 30-60 parts by weight, 1-
The homogenizing agent of 5 parts by weight, the tackifying resin of 1-5 parts by weight, vulcanization phenolic resin, the crystallite of 1-3 parts by weight of 5-10 parts by weight
The oxidation of wax, the age resistor of 1-3 parts by weight, the accelerator of 1-3 parts by weight, the stearic acid of 0.2-1 parts by weight, 0.5-2 parts by weight
The zinc oxide of magnesium, 5 parts by weight, it is kneaded in the banbury that initial temperature is 90 DEG C, mixing time is 10 minutes, 130 DEG C
Dumping；In extrusion molding of extruder after parking 24 hours, the film that thickness is 7-9mm is made；
(2) it is molded：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
(3) joint：Sulfide film is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
A kind of 8. method of the transmission belt prepared described in claim 6 vulcanization of rubber gum cover, it is characterised in that this method includes
Following steps：
(1) refining glue：By the brombutyl of 95 parts by weight, the neoprene of 5 parts by weight, the reinforcing agent of 30-60 parts by weight, 1-
The homogenizing agent of 5 parts by weight, the tackifying resin of 1-5 parts by weight, vulcanization phenolic resin, the crystallite of 1-3 parts by weight of 5-10 parts by weight
The oxidation of wax, the age resistor of 1-3 parts by weight, the accelerator of 1-3 parts by weight, the stearic acid of 0.2-1 parts by weight, 0.5-2 parts by weight
Magnesium, the zinc oxide of 5 parts by weight, the mica powder of 1-10 parts by weight, it is kneaded, is kneaded in the banbury that initial temperature is 90 DEG C
Time is 10 minutes, 130 DEG C of dumpings；In extrusion molding of extruder after parking 24 hours, the glue that thickness is 7-9mm is made
Piece；
(2) it is molded：Film is vulcanized 50 minutes on the mould that temperature is 170 DEG C；
(3) joint：Sulfide film is subjected to rubber joint, that is, the rubber gum cover of finished product is made.
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| CN201610181321.5A CN105670146B (en) | 2016-03-25 | 2016-03-25 | A kind of transmission belt high-performance curing bag |
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| CN201610181321.5A CN105670146B (en) | 2016-03-25 | 2016-03-25 | A kind of transmission belt high-performance curing bag |
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| CN106015442B (en) * | 2016-06-28 | 2018-10-26 | 界首市华盛塑料机械有限公司 | Engine hydraulic shock bracket |
| CN110183787B (en) * | 2019-06-11 | 2022-01-28 | 三力士股份有限公司 | Rubber V-belt vulcanized rubber sleeve and production method thereof |
| CN114456510A (en) * | 2022-01-06 | 2022-05-10 | 宁国中奕橡塑有限公司 | Rubber for automobile air-conditioning compressor driving disc and preparation method thereof |
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| US4593062A (en) * | 1984-12-10 | 1986-06-03 | Exxon Research & Engineering Co. | Dynamically cured thermoplastic olefin polymers |
| US6846444B2 (en) * | 2002-12-13 | 2005-01-25 | The Goodyear Tire & Rubber Company | Self-releasing curing bladders |
| CN102229724B (en) * | 2011-06-20 | 2012-12-26 | 华南理工大学 | Ternary rubber composite with wide temperature range and high damping property and preparation method thereof |
| CN104059564B (en) * | 2013-03-20 | 2017-10-03 | 长春中科应化特种材料有限公司 | A kind of waterproof sealing adhesive for electric stress relief and its production method |
| CN103435876B (en) * | 2013-08-07 | 2015-09-09 | 山东永泰化工集团有限公司 | A kind of innerliner forumulations increasing tyre air tightness |
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