CN106317527A - Connecting plate as well as preparation method and application thereof - Google Patents
Connecting plate as well as preparation method and application thereof Download PDFInfo
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- CN106317527A CN106317527A CN201610779197.2A CN201610779197A CN106317527A CN 106317527 A CN106317527 A CN 106317527A CN 201610779197 A CN201610779197 A CN 201610779197A CN 106317527 A CN106317527 A CN 106317527A
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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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention discloses a connecting plate as well as a preparation method and an application thereof. The connecting plate is prepared from components of raw materials in parts by weight as follows: 100 parts of chloroprene rubber, 80-100 parts of carbon black, 8-12 parts of a high/low-temperature-resistant plasticizer, 3-6 parts of a heat-resistant agent, 2-3 parts of an ozone-resistant agent and 5.5-6 parts of a vulcanizing agent. The connecting plate adopts the components of raw materials including the chloroprene rubber with better lubricating grease resistance and higher damping performance, natural gas semi-reinforcing carbon black, the high/low-temperature-resistant plasticizer, the ozone-resistant agent and the heat-resistant agent consisting of substituted diphenylamine, phenyl naphthylamine and p-phenylenediamine derivatives and the like, and the cooperation relation of all the components of raw materials is regulated, so that the prepared connecting plate has excellent high-temperature resistance, ozone resistance, lubricant medium resistance and better damping performance.
Description
Technical field
The invention belongs to technical field of rubber material, relate to a kind of connecting plate, Preparation Method And The Use, particularly relate to one
Plant ozone high temperature resistant, resistance to, the connecting plate of resistance to grease, its preparation method and be used as the purposes of keyset.
Background technology
Electric boosting steering system (Electric Power Steering, abridge EPS) is that a kind of directly dependence motor carries
For the power steering system of auxiliary torque, with traditional hydraulic power-assist steering system HPS (Hydraulic Power
Steering) comparing, EPS has lot of advantages.EPS is mainly by torque sensor, vehicle speed sensor, motor, deceleration
Mechanism and electronic control unit (ECU) etc. form.
Along with social progress and the offer of people's living standard, the comfortableness of automobile is required more and more higher, passes by people
The electric power steering machine of system drag link when the limit turns to produces noise, simultaneously to turning to machine with turning to casing body direct collision
Assembly causes damage, and affects the comfortableness of car load and turns to the service life of machine.In order to evade this risk, electric power steering
Machine is at drag link and turns to and adds a keyset between casing body, function be avoid when the limit turns to track rod with
Turn to casing body direct collision, reduce the noise and vibrations produced when the limit turns to, improve the comfortableness of manipulation, be effectively protected
Turn to the assembly in machine.
This system is directly provided power steering by electrician's booster engine, eliminates power necessary to hydraulic power steering system
Steering pump, flexible pipe, hydraulic oil, conveyer belt and the belt pulley being loaded on electromotor, both saved energy, protected again environment.Separately
Outward, also there is the feature that adjustment is simple, assembling flexibly and can provide power steering in several situations.
But keyset of the prior art there are still, and hardness is relatively poor, shock resistance is the best, hot air aging resistance
Difference, the shortcoming that the life-span is short and ozone resistance is poor, limit connecting plate and play its effect and can increase owing to replacing connecting plate
Use cost.Thus, it is necessary to develop the connection that a kind of hardness height, hot air aging resistance, shock resistance and ozone resistance are all good
Plate is with the demand of satisfied actual application.
Summary of the invention
For the above-mentioned problems in the prior art, it is an object of the invention to provide a kind of connecting plate, its preparation side
Method and purposes, described connecting plate has ozone the most high temperature resistant, resistance to, the medium of resistance to grease and preferable damping damping capacity,
The initial shore hardness A of this connecting plate is 75 ± 5, and after the aging 120 DEG C × 70h of hot air, the shore of connecting plate is hard
Degree A is changed to-5～+15 compared to initial shore hardness A；The breaking strength of connecting plate is compared to initial breaking strength
Be changed to-25～30%；The elongation at break of connecting plate compared to the change of initial elongation at break within-40%；
After the connecting plate of the present invention is carried out ozone proof test (50pphm × 40 DEG C × 300h), connecting plate flawless produces, completely
The application requirement of keyset can be met.
For reaching above-mentioned purpose, the present invention by the following technical solutions:
An object of the present invention is to provide a kind of connecting plate, and described connecting plate includes following raw material group in parts by weight
Point:
The weight portion of described neoprene is 100 parts, and the present invention selects neoprene not only to have good resistance to grease
Dielectric behavior, also has higher damping damping capacity.
The weight portion of described white carbon black is 80～100 parts, can be such as 80 parts, 82 parts, 83 parts, 85 parts, 87 parts, 88 parts, 90
Part, 91 parts, 93 parts, 94 parts, 95 parts, 96 parts, 98 parts or 100 parts etc..
The weight portion of described high-low temperature resistant plasticizer is 8～12 parts, can be such as 8 parts, 8.5 parts, 9 parts, 9.3 parts, 9.5
Part, 10 parts, 11 parts, 11.5 parts or 12 parts etc..
The weight portion of described heat-resistant agent is 3～6 parts, can be such as 3 parts, 3.2 parts, 3.4 parts, 3.7 parts, 4 parts, 4.3 parts,
4.5 parts, 4.8 parts or 5 parts etc..
The weight portion of described resistance to ozonidate is 2～3 parts, can be such as 2 parts, 2.2 parts, 2.4 parts, 2.6 parts, 2.7 parts, 2.8
Part or 3 parts etc..
The mass parts of described vulcanizing agent is 5.5～6 parts, such as, can be 5.5 parts, 5.6 parts, 5.7 parts, 5.8 parts or 6 parts etc..
As the optimal technical scheme of connecting plate of the present invention, a kind of connecting plate, described connecting plate wraps in parts by weight
Include following raw material components:
As the further preferred technical scheme of connecting plate of the present invention, a kind of connecting plate, described connecting plate is with weight
Part is counted and is included following raw material components:
Preferably, described white carbon black is natural gas semi-reinforcing hydrocarbon black, and it has the elasticity of excellence, and heat is low, adds and closes
While appropriate natural gas semi-reinforcing hydrocarbon black can have excellent mechanical performance ensureing the connecting plate obtained, improve connecting plate
Service life.
Preferably, described high-low temperature resistant plasticizer is fatty oil system plasticizer and the mixture of synthesis plasticizer, the present invention
Use fatty oil system plasticizer and synthesis plasticizer and use so that adding this high-low temperature resistant plasticizer proper amount of, it is possible to simultaneously
Meet prepare connecting plate product there is excellent thermostability and resistance to low temperature, meet again product actual condition use
Requirement.
Preferably, described fatty oil system plasticizer includes Oleum Brassicae campestris, but is not limited to the above-mentioned fatty oil system plasticising enumerated
Agent, other fatty oil system plasticizers that can reach same effect can also be used for the present invention.
Preferably, described synthesis plasticizer includes SA dibutyl ester, but is not limited to the above-mentioned synthesis plasticizer enumerated,
Other synthesis plasticizers that can reach same effect can also be used for the present invention.
Preferably, described heat-resistant agent is the mixture of substituted diphenylamine, nonox and p-phenylene diamine derivative.
Preferably, the mass ratio of described substituted diphenylamine, nonox and p-phenylene diamine derivative be (1～2): 1:(1～
2), can be such as 2:1:2,1:1:2,1:1:1 or 1.5:1:2 etc..
Preferably, during described substituted diphenylamine includes octylated diphenylamine and nonylated diphenylamine any one or at least
The mixture of two kinds, but it is not limited to the above-mentioned substituted diphenylamine enumerated, other can reach the substituted diphenylamine of same effect also
Can be used for the present invention.
Preferably, any one during described p-phenylene diamine derivative includes isopropyl p-phenylenediamine and cyclohexyl p-phenylenediamine
Kind or the mixture of two kinds, but be not limited to the above-mentioned p-phenylene diamine derivative enumerated, other can reach same effect to benzene
Diamine derivative can also be used for the present invention.
In the present invention, it is found through experiments, when heat-resistant agent selects substituted diphenylamine, nonox and p-phenylene diamine derivative
In three kinds with the use of time, effect is better than the effect of a kind of heat-resistant agent therein, referred to as cooperative effect, this cooperative effect
It is closely-related with the kind of heat-resistant agent and content proportioning.
Heat-resistant agent in the present invention be substituted diphenylamine, nonox and p-phenylene diamine derivative by certain proportioning also
With, these three heat-resistant agent and with synergistic effects can be played, the thermostability of the connecting plate prepared can be improved, can improve again
The ozone resistance of connecting plate.
The three kinds of heat-resistant agents (substituted diphenylamine, nonox and p-phenylene diamine derivative) used in the present invention are commercially available
Commodity.
Preferably, described resistance to ozonidate includes any one or the mixing of two kinds in p-phenylene diamine derivative and protection wax
Thing, but it is not limited to the above-mentioned resistance to ozonidate enumerated, other resistance to ozonidates that can reach same effect can also be used for the present invention.
The raw material components of heretofore described connecting plate in addition to comprising above-mentioned raw materials, other auxiliary agent commonly used in the art,
Such as accelerator, processing aid and lubricant etc. can also be used for the present invention, and those skilled in the art can be according to the property of actual product
Can demand and add.
The two of the purpose of the present invention are to provide the preparation method of connecting plate as above, described method to include following step
Rapid:
(1) by formula ratio, the raw material components of connecting plate is inserted in banbury, carry out banburying, obtain banburying rubber；
(2) mixing of rubber that step (1) obtains is carried out in mill mill and molding, obtain molded rubber；
(3) molded rubber that step (2) obtains is put in vulcanizing equipment, vulcanize, obtain connecting plate.
Preferably, the temperature of step (1) described banburying is 70～100 DEG C, can be such as 70 DEG C, 75 DEG C, 80 DEG C, 82 DEG C,
85 DEG C, 90 DEG C, 93 DEG C, 96 DEG C, 98 DEG C or 100 DEG C etc..
Preferably, the pressure of step (1) described banburying is 100～110Kgf/cm2, such as, can be 100Kgf/cm2、
102Kgf/cm2、104Kgf/cm2、105Kgf/cm2、106Kgf/cm2、108Kgf/cm2Or 110Kgf/cm2Deng.
Preferably, the time of step (1) described banburying is 4～7 minutes, can be such as 4 minutes, 5 minutes, 5.5 minutes, 6
Minute or 7 minutes etc..
Preferably, the temperature of step (2) described mill is 50～60 DEG C, can be such as 50 DEG C, 52 DEG C, 54 DEG C, 57 DEG C, 58
DEG C or 60 DEG C etc..
Preferably, the time of step (2) described mill is 3～5 minutes, such as, can be 3 minutes, 4 minutes, 4.5 minutes or 5
Minute etc..
Preferably, the pressure of step (3) described sulfuration is 160～180Kgf/cm2, such as, can be 160Kgf/cm2、
165Kgf/cm2、168Kgf/cm2、170Kgf/cm2、172Kgf/cm2、175Kgf/cm2Or 180Kgf/cm2Deng.
Preferably, the temperature of step (3) described sulfuration is 165～175 DEG C, can be such as 165 DEG C, 166 DEG C, 167 DEG C,
168 DEG C, 171 DEG C, 173 DEG C or 175 DEG C etc..
Preferably, the time of step (3) described sulfuration is 300～360 seconds, can be such as 300 seconds, 320 seconds, 330 seconds,
335 seconds, 340 seconds, 350 seconds, 355 seconds or 360 seconds etc..
Preferably, step (1) ' is carried out after described method is additionally included in step (1) before step (2): screen to obtain
Hardness is the banburying rubber that 70～80 degree, intensity >=14MPa and percentage elongation are not less than the 150% of original length.
As the optimal technical scheme of the method for the invention, the preparation method of a kind of connecting plate, described method include with
Lower step:
(1) by formula ratio, the raw material components of connecting plate is inserted in banbury, in the banburying temperature of 70～100 DEG C, 100～
110Kgf/cm2Banburying pressure condition under banburying 4～7 minutes, obtain banburying product；
(1) ': the banburying product of step (1) is screened, it is thus achieved that hardness is 70～80 degree, intensity >=14MPa and elongation
Rate is not less than the banburying rubber of the 150% of original length；
(2) by the mixing of rubber that obtains of step (1) ' screening in mill in 50～60 DEG C of mills 3～5 minutes, obtain
Molded rubber；
(3) molded rubber that step (2) obtains is put in vulcanizing equipment, in 160～180Kgf/cm2Sulfide stress,
Vulcanize 300～360 seconds under the sulfiding temperature condition of 165～175 DEG C, obtain connecting plate.
Preferably, the method for the invention can also be after step (3) have vulcanized, and the product obtaining sulfuration is repaiied
Limit, the step checked, pack and put in storage, these step concrete operations have been known to those skilled in the art dawn, at this no longer
Repeat.
The three of the purpose of the present invention are to provide the purposes of connecting plate as above, and described connecting plate is used as keyset,
It can be such as the keyset of exhaustor.The shape of connecting plate is not construed as limiting by the present invention, and those skilled in the art can root
It is adjusted as other shapes in addition to tabular according to needs.
Compared with the prior art, the method have the advantages that
The connecting plate of the present invention is had compared with the neoprene of high-damping, natural gas semi-reinforcing hydrocarbon black, resistance to height by selection
The raw material components such as temperature plasticizer and the heat-resistant agent that is made up of substituted diphenylamine, nonox and p-phenylene diamine derivative, and adjust
Save the matching relationship of each raw material components, prepared and there is ozone heat-resisting, resistance to, the resistance to lubricating medium of excellence and preferably subtract
The connecting plate of pinking, the initial shore hardness A of this connecting plate is 75 ± 5, after the aging 120 DEG C × 70h of hot air, even
The shore hardness A of fishplate bar is changed to-5～+15 compared to initial shore hardness A's；The breaking strength of connecting plate is compared to just
Begin breaking strength be changed to-25～30%；The elongation at break of connecting plate is compared to the change of initial elongation at break
Within-40%；After the connecting plate of the present invention is carried out ozone proof test (50pphm × 40 DEG C × 300h), connecting plate is without splitting
Stricture of vagina produces, and can meet the application requirement of keyset completely, have broad application prospects.
Detailed description of the invention
Technical scheme is further illustrated below by detailed description of the invention.
Embodiment 1
(1) first, according to weight portion by 100 parts of neoprenes, 90 parts of white carbon blacks, 10 parts of high-low temperature resistant plasticizer (fatty oils
Be plasticizer and the mixture of synthesis plasticizer), 5 parts of heat-resistant agents (substituted diphenylamine: nonox: p-phenylene diamine derivative=
2:1:2), 3 parts of resistance to ozonidates insert in banbury temperature be 95 DEG C, pressure be 110Kgf/cm2Under the conditions of carry out banburying 6
Minute, obtain banburying rubber；
(1) ' then, detecting above-mentioned banburying rubber, therefrom filtering out hardness is 76 degree, and intensity is 15.6MPa, stretches
Long rate is the banburying rubber of 216%.
(2) the banburying rubber filtered out is inserted mill carries out under the conditions of temperature is 55 DEG C mill 4 minutes and
Extrusion molding, obtains molded rubber；
(3) then being inserted by molded rubber in the mould in vulcanizing equipment, pressurize 170Kgf/cm2, it is warming up to 175 DEG C, enters
Row vulcanizing treatment 360 seconds；
(4) product after sulfuration being completed carries out deburring, checks, packs and put in storage, obtains connecting plate.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 2
(1) first, according to weight portion by 100 parts of neoprenes, 80 parts of white carbon blacks, 10 parts of high-low temperature resistant plasticizer (fatty oils
Be plasticizer and the mixture of synthesis plasticizer), 4 parts of heat-resistant agents (substituted diphenylamine: nonox: p-phenylene diamine derivative=
1:1:2), 3 parts of resistance to ozonidates insert in banbury temperature be 95 DEG C, pressure be 110Kgf/cm2Under the conditions of carry out banburying 6
Minute, obtain banburying rubber.
(1) ' then, detecting above-mentioned banburying rubber, therefrom filtering out hardness is 72 degree, and intensity is 16.4MPa, stretches
Long rate is the banburying rubber of 237%；
(2) the banburying rubber filtered out is inserted mill carries out under the conditions of temperature is 55 DEG C mill 4 minutes and
Extrusion molding, obtains molded rubber；
(3) then being inserted by molded rubber in the mould in vulcanizing equipment, pressurize 170Kgf/cm2, it is warming up to 175 DEG C, enters
Row vulcanizing treatment 360 seconds；
(4) product after sulfuration being completed carries out deburring, checks, packs and put in storage, obtains connecting plate.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 3
(1) first, according to weight portion by 100 parts of neoprenes, 100 parts of white carbon blacks, 10 parts of high-low temperature resistant plasticizer (fatty oils
Be plasticizer and the mixture of synthesis plasticizer), 6 parts of heat-resistant agents (substituted diphenylamine: nonox: p-phenylene diamine derivative=
2:2:2), 3 parts of resistance to ozonidates insert in banbury temperature be 95 DEG C, pressure be 110Kgf/cm2Under the conditions of carry out banburying 6
Minute, obtain banburying rubber.
(1) ' then, detecting above-mentioned banburying rubber, therefrom filtering out hardness is 78 degree, and intensity is 16.1MPa, stretches
Long rate is the banburying rubber of 204%；
(2) the banburying rubber filtered out is inserted mill carries out under the conditions of temperature is 55 DEG C mill 4 minutes and
Extrusion molding, obtains molded rubber；
(3) then being inserted by molded rubber in the mould in vulcanizing equipment, pressurize 170Kgf/cm2, it is warming up to 175 DEG C, enters
Row vulcanizing treatment 360 seconds；
(4) product after sulfuration being completed carries out deburring, checks, packs and put in storage, obtains connecting plate.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 4
(1) first, according to weight portion by 100 parts of neoprenes, 85 parts of white carbon blacks, 12 parts of high-low temperature resistant plasticizer (fatty oils
Be plasticizer and the mixture of synthesis plasticizer), 4 parts of heat-resistant agents (substituted diphenylamine: nonox: p-phenylene diamine derivative=
1:1:2), 3 parts of resistance to ozonidates insert in banbury temperature be 80 DEG C, pressure be 105Kgf/cm2Under the conditions of carry out banburying 5
Minute, obtaining hardness is the banburying rubber that 70～80 degree, intensity >=14MPa and percentage elongation are not less than the 150% of original length；
(2) the banburying rubber filtered out is inserted mill carries out under the conditions of temperature is 60 DEG C mill 3 minutes and
Extrusion molding, obtains molded rubber；
(3) then being inserted by molded rubber in the mould in vulcanizing equipment, pressurize 180Kgf/cm2, it is warming up to 170 DEG C, enters
Row vulcanizing treatment 320 seconds, obtains connecting plate.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 5
(1) first, according to weight portion by 100 parts of neoprenes, 80 parts of white carbon blacks, 8 parts of high-low temperature resistant plasticizer (fatty oil systems
Plasticizer and the mixture of synthesis plasticizer), 5 parts of heat-resistant agents (substituted diphenylamine: nonox: p-phenylene diamine derivative=2:
1:2), 3 parts of resistance to ozonidates insert in banbury temperature be 95 DEG C, pressure be 100Kgf/cm2Under the conditions of carry out banburying 7 points
Clock, obtaining hardness is the banburying rubber that 70～80 degree, intensity >=14MPa and percentage elongation are not less than the 150% of original length；
(2) the banburying rubber that step (1) obtains is inserted mill carries out under the conditions of temperature is 50 DEG C mill 5 points
Clock and extrusion molding, obtain molded rubber；
(3) then being inserted by molded rubber in the mould in vulcanizing equipment, pressurize 175Kgf/cm2, it is warming up to 165 DEG C, enters
Row vulcanizing treatment 340 seconds；
(4) product after sulfuration being completed carries out deburring, checks, packs and put in storage, obtains connecting plate.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 6
In addition to heat-resistant agent is replaced with substituted diphenylamine, other preparation methoies and condition are same as in Example 1.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 7
In addition to heat-resistant agent is replaced with nonox, other preparation methoies and condition are same as in Example 1.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Embodiment 8
In addition to heat-resistant agent is replaced with p-phenylene diamine derivative, other preparation methoies and condition are same as in Example 1.
The performance test results of the connecting plate that the present embodiment obtains is shown in Table 1.
Table 1
Applicant states, the present invention illustrates the method detailed of the present invention by above-described embodiment, but the present invention not office
It is limited to above-mentioned method detailed, does not i.e. mean that the present invention has to rely on above-mentioned method detailed and could implement.Art
Technical staff is it will be clearly understood that any improvement in the present invention, and the equivalence of raw material each to product of the present invention is replaced and auxiliary element
Interpolation, concrete way choice etc., within the scope of all falling within protection scope of the present invention and disclosure.
Claims (10)
1. a connecting plate, it is characterised in that described connecting plate includes following raw material components in parts by weight:
Connecting plate the most according to claim 1, it is characterised in that described connecting plate includes following raw material group in parts by weight
Point:
Connecting plate the most according to claim 1 and 2, it is characterised in that described connecting plate includes following former in parts by weight
Material component:
4. according to the connecting plate described in any one of claim 1-3, it is characterised in that described white carbon black is natural gas half reinforcement charcoal
Black；
Preferably, described high-low temperature resistant plasticizer is fatty oil system plasticizer and the mixture of synthesis plasticizer；
Preferably, described fatty oil system plasticizer includes Oleum Brassicae campestris；
Preferably, described synthesis plasticizer includes SA dibutyl ester；
Preferably, described heat-resistant agent is the mixture of substituted diphenylamine, nonox and p-phenylene diamine derivative；
Preferably, the mass ratio of described substituted diphenylamine, nonox and p-phenylene diamine derivative is (1～2): 1:(1～2)；
Preferably, any one or two kinds during described substituted diphenylamine includes octylated diphenylamine and nonylated diphenylamine mixed
Compound；
Preferably, during described p-phenylene diamine derivative includes isopropyl p-phenylenediamine and cyclohexyl p-phenylenediamine any one or
The mixture of two kinds；
Preferably, described resistance to ozonidate includes any one or the mixture of two kinds in p-phenylene diamine derivative and protection wax.
5. according to the connecting plate described in any one of claim 1-4, it is characterised in that the raw material components of described connecting plate also wraps
Include the mixture of accelerator, processing aid.
6. the preparation method of the connecting plate as described in any one of claim 1-5, it is characterised in that described method includes following step
Rapid:
(1) by formula ratio, the raw material components of connecting plate is inserted in banbury, carry out banburying, obtain banburying rubber；
(2) mixing of rubber that step (1) obtains is carried out in mill mill and molding, obtain molded rubber；
(3) then the molded rubber that step (2) obtains is put in vulcanizing equipment, vulcanize, obtain connecting plate.
Method the most according to claim 6, it is characterised in that the temperature of step (1) described banburying is 70～100 DEG C；
Preferably, the pressure of step (1) described banburying is 100～110Kgf/cm2；
Preferably, the time of step (1) described banburying is 4～7 minutes；
Preferably, the temperature of step (2) described mill is 50～60 DEG C；
Preferably, the time of step (2) described mill is 3～5 minutes；
Preferably, the pressure of step (3) described sulfuration is 160～180Kgf/cm2；
Preferably, the temperature of step (3) described sulfuration is 165～175 DEG C；
Preferably, the time of step (3) described sulfuration is 300～360 seconds.
8. according to the method described in claim 6 or 7, it is characterised in that described method is additionally included in step after step (1)
(2) step (1) ' is carried out before: screening to obtain hardness is that 70～80 degree, intensity >=14MPa and percentage elongation are not less than original length
The banburying rubber of the 150% of degree.
9. according to the method described in any one of claim 6-8, it is characterised in that said method comprising the steps of:
(1) by formula ratio, the raw material components of connecting plate is inserted in banbury, in the banburying temperature of 70～100 DEG C, 100～
110Kgf/cm2Banburying pressure condition under banburying 4～7 minutes, obtain banburying product；
(1) ': the banburying product of step (1) is screened, it is thus achieved that hardness be 70～80 degree, intensity >=14MPa and percentage elongation not
Banburying rubber less than the 150% of original length；
(2) by the mixing of rubber that obtains of step (1) ' screening in mill in 50～60 DEG C of mills 3～5 minutes, obtain molding
Rubber；
(3) molded rubber that step (2) obtains is put in vulcanizing equipment, in 160～180Kgf/cm2Sulfide stress, 165～
Vulcanize 300～360 seconds under the sulfiding temperature condition of 175 DEG C, obtain connecting plate.
10. the purposes of the connecting plate as described in any one of claim 1-5, it is characterised in that described connecting plate is used as keyset.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610779197.2A CN106317527A (en) | 2016-08-30 | 2016-08-30 | Connecting plate as well as preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610779197.2A CN106317527A (en) | 2016-08-30 | 2016-08-30 | Connecting plate as well as preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832482A (en) * | 2017-02-23 | 2017-06-13 | 安徽中鼎密封件股份有限公司 | A kind of ball end dustproof cover and preparation method thereof |
Citations (4)
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| CN104479186A (en) * | 2015-01-07 | 2015-04-01 | 南京七四二五橡塑有限责任公司 | Dynamic-ozone-resistant chloroprene rubber composition and preparation method thereof |
| CN104861242A (en) * | 2015-06-09 | 2015-08-26 | 苏州市湘园特种精细化工有限公司 | Chloroprene rubber |
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| CN101353453A (en) * | 2007-07-27 | 2009-01-28 | 铁道科学研究院金属及化学研究所 | Chloroprene rubber composition having improved cold tolerance |
| CN103242577A (en) * | 2013-05-31 | 2013-08-14 | 安徽中鼎减震橡胶技术有限公司 | High-temperature resistance low-dynamic-rate rubber material for suspension and preparation method thereof |
| CN104479186A (en) * | 2015-01-07 | 2015-04-01 | 南京七四二五橡塑有限责任公司 | Dynamic-ozone-resistant chloroprene rubber composition and preparation method thereof |
| CN104861242A (en) * | 2015-06-09 | 2015-08-26 | 苏州市湘园特种精细化工有限公司 | Chloroprene rubber |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106832482A (en) * | 2017-02-23 | 2017-06-13 | 安徽中鼎密封件股份有限公司 | A kind of ball end dustproof cover and preparation method thereof |
| CN106832482B (en) * | 2017-02-23 | 2018-09-25 | 安徽中鼎密封件股份有限公司 | A kind of ball end dustproof cover and preparation method thereof |
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Application publication date: 20170111 |