CN107033405A - Hose lining rubber composition is with vulcanizing rubber and its preparation method and application - Google Patents
Hose lining rubber composition is with vulcanizing rubber and its preparation method and application Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2307/00—Characterised by the use of natural rubber
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention belongs to dredge rubber pipe technical field, in particular it relates to which a kind of hose lining rubber composition is with vulcanizing rubber and its preparation method and application；Contain main rubber, reinforcing agent, vulcanizing agent, activator, vulcanization accelerator and age resistor in the rubber composition, the main rubber includes butadiene rubber, synthesis isoprene rubber and natural rubber, and the content weight ratio of butadiene rubber, synthesis isoprene rubber and natural rubber is 1：0.5-3.5：0.5-3.5.The vulcanization rubber prepared by the rubber composition of the present invention has excellent mechanical property, anti-wear performance and ageing-resistant performance.Relative to traditional dredge rubber pipe, on the premise of superperformance is kept, dependence of the dredge rubber pipe to natural rubber, ratio of the reduction natural rubber in dredge rubber pipe are alleviated, and successfully develop the new application field of synthesis isoprene rubber.
Description
Technical field
The present invention relates to dredge rubber pipe technical field, in particular it relates to a kind of a kind of application of hose lining vulcanization rubber and the vulcanization rubber that are prepared with rubber composition, preparation method of vulcanization rubber, by this method in dredge rubber pipe hose lining.
Background technology
Dredge rubber pipe full name is dredging work steel wire or cloth-reinforced rubber flexible pipe and rubber hose assembly, in dredge rubber pipe, the dredger of dredge rubber pipe and over-water construction is supporting, sediment, for the waterway dredging of rivers,lakes and seas, port construction, blowdown desilting, man etc. engineering.
Sizing material is most important part in the overall structure of sebific duct.Because the use condition of dredge rubber pipe is more complicated, in addition it is very harsh, therefore, the performance requirement of sizing material used in dredge rubber pipe is also not quite similar, mainly there is both sides performance requirement, i.e. performance and processing performance.
For the sizing material of each part of sebific duct, hose lining, outer layer glue and middle level glue are broadly divided into.Due to the demand to anti-wear performance, the glue kind generally used has three kinds, respectively natural rubber (NR), butadiene rubber (BR) and butadiene-styrene rubber (SBR).The consumption of natural rubber is about the 60~80% of total rubber consumption in dredge rubber pipe, and natural rubber consumption is very huge.
And on synthesizing rare-earth isoprene rubber (Nd-IR), China started industrialized production synthesis isoprene rubber in 2010, existing 6 enterprises of cut-off China in 2013 realize synthesis isoprene rubber industrialized production, and domestic synthesis isoprene rubber production capacity has reached 160,000 tons within 2013.
And synthesize isoprene rubber at present and only applied at home in tire art, the new application field of exploitation synthesis isoprene rubber is extremely urgent.
The content of the invention
Tire art is limited to the invention aims to the application field for overcoming synthesis isoprene rubber in the prior art, and a kind of hose lining rubber composition containing synthesis isoprene rubber and the application of vulcanization rubber and the vulcanization rubber in dredge rubber pipe hose lining containing said composition are provided.
To achieve these goals, first aspect, the present invention provides a kind of hose lining rubber composition, contain main rubber, reinforcing agent, vulcanizing agent, activator, vulcanization accelerator and age resistor in the rubber composition, the main rubber includes butadiene rubber, synthesis isoprene rubber and natural rubber, and the content weight ratio of butadiene rubber, synthesis isoprene rubber and natural rubber is 1：0.5-3.5：0.5-3.5.
Second aspect, the present invention provides a kind of preparation method for vulcanizing rubber, and this method includes being kneaded the above-mentioned hose lining of the present invention with each component in rubber composition, then vulcanized obtained elastomeric compound.
The third aspect, the present invention provides the vulcanization rubber prepared by the above method.
Fourth aspect, the present invention provides application of the foregoing vulcanization rubber in dredge rubber pipe hose lining.
The inventor of the present inventor has found after further investigation：The vulcanization rubber for replacing the part natural rubber in traditional dredge rubber pipe hose lining using synthesis isoprene rubber and obtaining has excellent mechanical property, anti-wear performance and ageing-resistant performance.Relative to traditional dredge rubber pipe, the vulcanization rubber formed by the hose lining of the present invention with rubber composition can be on the premise of superperformance be kept, alleviate dependence of the dredge rubber pipe to natural rubber, ratio of the natural rubber in dredge rubber pipe is reduced, and successfully develops the new application field of synthesis isoprene rubber.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Embodiment
The embodiment to the present invention is described in detail below.It should be appreciated that embodiment described herein is merely to illustrate and explain the present invention, it is not intended to limit the invention.
First aspect, the invention provides a kind of hose lining rubber composition, contain main rubber, reinforcing agent, vulcanizing agent, activator, vulcanization accelerator and age resistor in the rubber composition, the main rubber includes butadiene rubber, synthesis isoprene rubber and natural rubber, and the content weight ratio of butadiene rubber, synthesis isoprene rubber and natural rubber is 1：0.5-3.5：0.5-3.5.
The rubber composition provided according to the present invention, the butadiene rubber is the abbreviation of cis-Isosorbide-5-Nitrae-polybutadiene rubber, and the Mooney viscosity of preferably described butadiene rubber is 40-50；It is highly preferred that the cis-structure content in the butadiene rubber is more than or equal to 95 weight %.In the present invention, it is preferred to which the butadiene rubber is butadiene rubber (9000).
According to the present invention, the natural rubber can be at least one of standard rubber, smoke sheet rubber and crepe.
According to the rubber composition that provides of the present invention, the synthesis isoprene rubber can be purchased from sinopec Beijing Yanshan Petrochemical Company, and Mooney viscosity [100 DEG C of ML (1+4)] can be 60-100, the weight % of cis-Isosorbide-5-Nitrae-structural content >=98.
The synthesis isoprene rubber of the present invention refers to the isoprene rubber obtained by the various methods synthesis of prior art, is a kind of non-natural rubber.There is no particular limitation to synthesizing the method for synthesizing isoprene rubber by the present invention, those skilled in the art can be obtained using various methods synthesis known in the art, as long as the Mooney viscosity [100 DEG C of ML (1+4)] for enabling to obtained synthesis isoprene rubber is 60-100, the weight % of cis-Isosorbide-5-Nitrae-structural content >=98.
Preferably, the content weight ratio of the butadiene rubber, synthesis isoprene rubber and natural rubber is 1：1-3.4：0.5-3.
It is further preferred that the content weight ratio of the butadiene rubber, synthesis isoprene rubber and natural rubber is 1：2-3.4：0.5-1.8.
In the present invention, in the application of dredge rubber pipe, part natural rubber is substituted using isoprene rubber is synthesized, on the premise of premium properties is kept, dependence of the dredge rubber pipe to natural rubber is alleviated, and successfully develop the new application field of synthesis isoprene rubber.
Preferably, the reinforcing agent is carbon black.It is highly preferred that the iodine absorption value of the carbon black is 30-120g/kg, so enable to the rubber composition that not only there is lower dynamic temperature rise after vulcanization, but also with more preferable mechanical property.The carbon black can be commercially available, such as described carbon black can be the one or more in N110, N115, N121, N220, N234, N326, N330, N774, N339, N347 and N375 for the trade mark purchased from China Rubber Group Carbon Black Research ＆ Design Institute；Preferably, the carbon black is the one or more in N110, N115, N121, N774, N220 and N330；It is highly preferred that the carbon black is N220 and carbon black N774.
Under preferable case, relative to the main rubber of 100 parts by weight, the content of the carbon black N220 is 40-50 parts by weight, and the content of the carbon black N774 is 10-30 parts by weight；It is further preferred that the content of the carbon black N220 is 42-48 parts by weight, the content of the carbon black N774 is 15-25 parts by weight.The present inventor has found under study for action, using the N220 and N774 in the above-mentioned content range of the present invention as the rubber composition of the present invention reinforcing agent when, the rubber composition of the invention has more preferable mechanical property after vulcanization.
The rubber composition provided according to the present invention, the vulcanizing agent is preferably selected from least one of sulphur, selenium, tellurium, benzoyl peroxide, urethanes and 2,5- dimethyl -2,5- bis- (t-butylperoxy) hexane；In the present invention, it is further preferred that the vulcanizing agent is sulphur.
Preferably, relative to the main rubber of 100 parts by weight, the content of the vulcanizing agent is 1.5-2.5 parts by weight；More preferably 1.8-2.1 parts by weight.
Preferably, relative to the main rubber of 100 parts by weight, the content of the activator is 5-10 parts by weight, more preferably 7-9 parts by weight.
The activator is preferably selected from least one of zinc oxide, magnesia and stearic acid, more preferably zinc oxide and stearic mixture.And relative to the main rubber of 100 parts by weight, the content of the zinc oxide is 3-6 parts by weight, and the stearic content is 2-4 parts by weight；Preferably, relative to the main rubber of 100 parts by weight, the content of the zinc oxide is 4-5 parts by weight, and the stearic content is 3-4 parts by weight.
Preferably, relative to the main rubber of 100 parts by weight, the content of the vulcanization accelerator is 1-2 parts by weight, more preferably 1.1-1.5 parts by weight.
The vulcanization accelerator various can shorten cure time, reduction curing temperature, the material for reducing vulcanizing agent consumption and the physical and mechanical properties for improving rubber to be existing, for example, the vulcanization accelerator can be at least one of diphenylguanidine (diphenylguanidine), tetramethylthiuram disulfide (accelerator TT), 2- thiol benzothiazoles (captax), ethylene thiourea (accelerant N A-22) and N- cyclohexyl -2- benzothiazole sulfonamides (accelerant CZ)；Preferably, the vulcanization accelerator is N- cyclohexyl -2- benzothiazole sulfonamides (accelerant CZ).
Preferably, relative to the main rubber of 100 parts by weight, the content of the age resistor is 0.6-2.3 parts by weight；More preferably 1.2-1.8 parts by weight.
The age resistor is preferably amines antioxidants and/or quinoline type antioxidant.
The amines antioxidants is preferably selected from N- phenyl-α-aniline, N- phenyl-β-naphthylamines, N- phenyl-N '-cyclohexyl p-phenylenediamine, N- isopropyls-N '-diphenyl-para-phenylene diamine, N- (1,3 dimethylbutyls)-N '-diphenyl-para-phenylene diamine and N, at least one of N '-bis- (1,4- dimethyl amyl groups) p-phenylenediamine.
The quinoline type antioxidant is preferably selected from least one of 2,2,4- trimethyl -1,2- dihyaroquinolines condensate, 6- ethyoxyl -2,2,4- trimethyl -1,2- dihyaroquinolines and 6- dodecyl -2,2,4- trimethyl -1,2- dihyaroquinolines.
The age resistor is preferably 2,2,4- trimethyls -1,2- dihyaroquinolines condensate (anti-aging agent RD), 6- ethyoxyls -2,2,4- trimethyls -1,2- dihyaroquinolines (antioxidant A W), N- phenyl-α-aniline (antioxidant A), N- phenyl-β-naphthylamines (antioxidant D), N- phenyl-N '-at least one of cyclohexyl p-phenylenediamine (antioxidant 4010) and N- (1,3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines (antioxidant 4020).
It is highly preferred that the age resistor is 2,2,4- trimethyl -1,2- dihyaroquinoline condensates (anti-aging agent RD) and N- (1,3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines (antioxidant 4020)；Preferably, relative to the main rubber of 100 parts by weight, the content of the anti-aging agent RD is 0.5-1.5 parts by weight, and the content of the antioxidant 4020 is 0.1-0.8 parts by weight；It is highly preferred that the content of the anti-aging agent RD is 1-1.2 parts by weight, the content of the antioxidant 4020 is 0.2-0.6 parts by weight.The present inventor has found under study for action, using 2 in the above-mentioned content range of the present invention, 2,4- trimethyls -1,2- dihyaroquinolines condensate (anti-aging agent RD) and N- (1,3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines (antioxidant 4020) as the rubber composition of the present invention age resistor when, the rubber composition of the invention has more preferable mechanical property after vulcanization.
According to one kind preferred embodiment, in the rubber composition, relative to the main rubber of 100 parts by weight, the content of the reinforcing agent is 40-65 parts by weight, the content of the vulcanizing agent is 1.5-2.5 parts by weight, the content of the activator is 5-10 parts by weight, and the content of the vulcanization accelerator is 1-2 parts by weight, and the content of the age resistor is 0.6-2.3 parts by weight.
According to a kind of preferred embodiment, in the rubber composition, relative to the main rubber of 100 parts by weight, the content of the reinforcing agent is 48-57 parts by weight, the content of the vulcanizing agent is 1.8-2.1 parts by weight, the content of the activator is 7-9 parts by weight, and the content of the vulcanization accelerator is 1.1-1.5 parts by weight, and the content of the age resistor is 1.2-1.8 parts by weight.
The rubber composition provided according to the present invention, the rubber composition further contains softening agent and antiscorching agent.
Preferably, relative to the main rubber of 100 parts by weight, the content of the softening agent is 2-8 parts by weight, and the content of the antiscorching agent is 0.2-1 parts by weight.
It is highly preferred that relative to the main rubber of 100 parts by weight, the content of the softening agent is 3-6 parts by weight, and the content of the antiscorching agent is 0.3-0.6 parts by weight.
The softening agent is preferably machine oil.
The antiscorching agent is preferably N- cyclohexylthiophthalimides (CTP).
Under preferable case, the rubber composition provided according to the present invention, relative to the main rubber of 100 parts by weight, relative to the main rubber of 100 parts by weight, the content of the reinforcing agent is 40-65 parts by weight, the content of the vulcanizing agent is 1.5-2.5 parts by weight, the content of the activator is 5-10 parts by weight, the content of the vulcanization accelerator is 1-2 parts by weight, the content of the age resistor is 0.6-2.3 parts by weight, the content of the softening agent is 2-8 parts by weight, and the content of the antiscorching agent is 0.2-1 parts by weight.
More preferably, on the basis of the main rubber of 100 parts by weight, relative to the main rubber of 100 parts by weight, the content of the reinforcing agent is 48-57 parts by weight, and the content of the vulcanizing agent is 1.8-2.1 parts by weight, and the content of the activator is 7-9 parts by weight, the content of the vulcanization accelerator is 1.1-1.5 parts by weight, the content of the age resistor is 1.2-1.8 parts by weight, and the content of the softening agent is 3-6 parts by weight, and the content of the antiscorching agent is 0.3-0.6 parts by weight.
Second aspect, present invention also offers a kind of preparation method for vulcanizing rubber, this method includes being kneaded each component in above-mentioned rubber composition, is then vulcanized obtained elastomeric compound.
The conventional selection that it can be this area that the mode and condition of the mixing, which are, as a rule, the mixing can be carried out in mill, banbury or twin-screw extruder.Wherein, the mixing between each material can simultaneously be carried out, can also carried out step by step.
According to the present invention, as a rule, the method and condition that elastomeric compound is vulcanized are known to those skilled in the art.For example, the vulcanization can be carried out in vulcanization bed or vulcanizing press；The conditions of vulcanization generally includes curing temperature, sulfide stress and cure time, wherein, as long as the curing temperature, sulfide stress and cure time ensure that the main rubber and vulcanizing agent crosslink reaction, for example, it can be 150-170 DEG C that the condition of the vulcanization reaction, which includes curing temperature, sulfide stress can be 10-15MPa, and cure time can be 10-50 minutes.
The present invention exemplarily provides following method to prepare vulcanization rubber, comprises the following steps：
(1) get the raw materials ready：Rubber is in 60-70 DEG C of baking oven after softened by baking, then cuts glue, broken glue into fritter；To be dried before the uses such as accelerant CZ, sulphur, in order to avoid bubble is produced when can not be uniformly dispersed, vulcanize when its caking, mixing, so as to influence product quality；
(2) knead：After main rubber is turned refining several times, it is 45-50 DEG C in temperature to turn refining 2-3 minutes, after various glue kinds are fully plasticated, according still further to the charging sequence of mixing, sequentially add activator, vulcanization accelerator, (the optional antiscorching agent refers to for age resistor and optional antiscorching agent, antiscorching agent can be added, antiscorching agent can also be added without) kneaded 3-4 minutes for 45-50 DEG C in temperature, then (the optional softening agent refers to that softening agent can be added for addition reinforcing agent and optional softening agent, softening agent can also be added without), it is eventually adding vulcanizing agent, it is 45-50 DEG C in temperature again to knead 12-14 minutes, bottom sheet is standby after well mixed；
(3) after the elastomeric compound of gained in (2) is placed 5-48 hours, time of scorch Tc is determined with vulcameter10With cure time Tc90, test temperature is preferably 140-160 DEG C；
(4) vulcanize：According to the cure time shown in t90 in (3), vulcanized with vulcanizing press, curing temperature is 150-170 DEG C.
The third aspect, present invention also offers the vulcanization rubber prepared by the above method.
Fourth aspect, present invention also offers application of the vulcanization rubber in dredge rubber pipe hose lining.
The performance of vulcanization rubber is tested as follows：
Tensile property：According to standard GB/T/T 528-2009《Vulcanize the measure of rubber or thermoplastic elastomer tensile stress-strain performance》Carry out tensile strength test.
Hardness performance：According to standard GB/T/T 531.1-2008《Vulcanize rubber or thermoplastic elastomer penetration hardness test method Part I：Shore durometer method (Shao Er hardness)》Carry out hardness test.
Wear hardness：According to standard GB/T 1689-1998《Vulcanize rubber wear-resisting consumption performance measurement (using Akron abrasion machine)》Carry out abrasion test.
Ageing properties：According to standard GB/T/T3512-2001《Vulcanize rubber or the accelerated ageing of thermoplastic elastomer hot-air and heat resistant test》Carry out degradation.
Rebound performance：According to standard GB/T/T1681-2009《Vulcanize the measure of resilience of vulcanizate》Determine the elasticity of vulcanization rubber.
The present invention will be described in detail by way of examples below.
Butadiene rubber used below is BR9000, and Mooney viscosity is 45, and cis-structure content therein is 98.2 weight %, purchased from Sinopec Yanshan Petrochemical company.
The Mooney viscosity [100 DEG C of ML (1+4)] of synthesis isoprene rubber used below is 70, and cis-Isosorbide-5-Nitrae-structural content is 98.4 weight %, purchased from Sinopec Yanshan Petrochemical company；Natural rubber used below is 3# smoke sheet rubbers, is provided by the rubber limited company of Shenyang three.
Sulphur (vulcanizing agent), accelerant CZ (vulcanization accelerator), ZnO (activator), anti-aging agent RD (age resistor), antioxidant 4020 (age resistor), machine oil (softening agent), CTP (antiscorching agent) and SA (stearic acid) (activator) are the commodity purchased from Chemical Reagent Co., Ltd., Sinopharm Group.
Carbon black N220 (iodine absorption value 121g/kg), carbon black N774 (iodine absorption value 31g/kg) are purchased from China Rubber Group Carbon Black Research ＆ Design Institute.
Every part in below represents 50g.
The composition and content of main rubber in the rubber composition used in embodiment 1-8 are listed in table 1, and the composition and content of the rubber composition used in embodiment 1-8 are listed in Table 2 below respectively, specifically, the rubber composition used in embodiment 1-8 is respectively designated as Z1-Z8.Wherein, the content in table 1 is on the basis of the gross weight of main rubber.
Table 1
| Synthesize isoprene rubber/part | Natural rubber/part | Butadiene rubber/part | |
| T1 | 0 | 80 | 20 |
| T2 | 10 | 70 | 20 |
| T3 | 20 | 60 | 20 |
| T4 | 30 | 50 | 20 |
| T5 | 40 | 40 | 20 |
| T6 | 50 | 30 | 20 |
| T7 | 60 | 20 | 20 |
| T8 | 70 | 10 | 20 |
| T9 | 80 | 0 | 20 |
Table 2
Embodiment 1-8 is used to prepare vulcanization rubber of the present invention.Wherein, the method for preparation vulcanization rubber is：
(1) get the raw materials ready：By rubber after 65 DEG C of baking oven softened by bakings, then glue, broken glue are cut into fritter；To be dried before the uses such as accelerant CZ, sulphur；
(2) knead：After main rubber is turned refining several times, it is 55 DEG C in temperature and turns refining 2 minutes, according to
The charging sequence of mixing, sequentially add activator, vulcanization accelerator, age resistor and antiscorching agent (being then added without when not in use), it is 55 DEG C in temperature and carries out mixing 2 minutes, then reinforcing agent, softening agent (being then added without when not in use) are added, it is eventually adding vulcanizing agent, it is 55 DEG C in temperature and carries out mixing 10 minutes, bottom sheet is standby after being well mixed；
(3) after the elastomeric compound of gained in (2) is placed 24 hours, Tc is determined with vulcameter10With Tc90, test temperature is 150 DEG C, and cure data is listed in Table 3 below, MLAnd MHMinimum torque and torque capacity are represented respectively；
(4) vulcanize：According to Tc in (3)90Shown cure time, is vulcanized with vulcanizing press, and curing temperature is 150 DEG C.
As a result vulcanization rubber S1-S8 is respectively obtained.
Table 3
| ML/dN·m | MH/dN·m | Tc10/min | Tc90/min | |
| Embodiment 1 | 0.90 | 13.13 | 8.23 | 16.24 |
| Embodiment 2 | 0.91 | 13.15 | 8.26 | 16.28 |
| Embodiment 3 | 0.90 | 13.12 | 8.25 | 16.27 |
| Embodiment 4 | 0.92 | 13.09 | 7.89 | 16.01 |
| Embodiment 5 | 0.92 | 13.07 | 7.83 | 16.09 |
| Embodiment 6 | 0.93 | 12.96 | 6.68 | 15.56 |
| Embodiment 7 | 0.93 | 12.97 | 6.72 | 15.61 |
| Embodiment 8 | 0.94 | 12.93 | 6.70 | 15.59 |
| Comparative example 1 | 0.93 | 12.03 | 7.56 | 14.23 |
| Comparative example 2 | 0.98 | 12.01 | 5.36 | 16.21 |
Comparative example 1
Rubber composition and vulcanization rubber are prepared according to method same as Example 1, except that：
Main rubber in the rubber composition that this comparative example is used is T1, and remaining is in the same manner as in Example 1, and cure data is listed in Table 3 below.Obtain vulcanization rubber DS1.
Comparative example 2
Rubber composition and vulcanization rubber are prepared according to method same as Example 1, except that：
Main rubber in the rubber composition that this comparative example is used is T9, and remaining is in the same manner as in Example 1, and cure data is listed in Table 3 below.Obtain vulcanization rubber DS2.
Test case
Performance to the application of vulcanization rubber S1-S8 and control cure rubber DS1 and DS2 in dredge rubber pipe hose lining is tested, as a result as shown in table 4.
Table 4
As can be seen from Table 4, rubber is vulcanized using the dredge rubber pipe hose lining for synthesizing isoprene rubber as main elastomeric material, the vulcanization rubber substitutes the part natural rubber in traditional dredge rubber pipe hose lining by using synthesis isoprene rubber, with excellent mechanical property, anti-wear performance and ageing-resistant performance, especially, the Akron abrasion value for the vulcanization rubber that the present invention is provided is substantially low compared with comparative example.
Therefore, relative to traditional dredge rubber pipe, the vulcanization rubber that the hose lining that the present invention is provided is prepared with rubber composition can be on the premise of superperformance be kept, alleviate dependence of the dredge rubber pipe to natural rubber, ratio of the natural rubber in dredge rubber pipe is reduced, and successfully develops the new application field of synthesis isoprene rubber.
The preferred embodiment of the present invention described in detail above; but, the present invention is not limited to the detail in above-mentioned embodiment, in the range of the technology design of the present invention; a variety of simple variants can be carried out to technical scheme, these simple variants belong to protection scope of the present invention.
It is further to note that, each particular technique feature described in above-mentioned embodiment, in the case of reconcilable, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention no longer separately illustrates to various possible combinations.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. in a kind of hose lining rubber composition, the rubber composition containing main rubber, reinforcing agent,
Vulcanizing agent, activator, vulcanization accelerator and age resistor, it is characterised in that the main rubber includes suitable
Buna, synthesis isoprene rubber and natural rubber, and butadiene rubber, synthesis isoprene rubber and natural
The content weight ratio of rubber is 1：0.5-3.5：0.5-3.5.
2. rubber composition according to claim 1, wherein, the butadiene rubber, synthesis are different
The content weight ratio of penta rubber and natural rubber is 1：1-3.4：0.5-3.
3. rubber composition according to claim 2, wherein, the butadiene rubber, synthesis are different
The content weight ratio of penta rubber and natural rubber is 1：2-3.4：0.5-1.8.
4. the rubber composition according to any one in claim 1-3, wherein, relative to 100
The main rubber of parts by weight, the content of the reinforcing agent is 40-65 parts by weight, the vulcanizing agent
Content is 1.5-2.5 parts by weight, and the content of the activator is 5-10 parts by weight, the vulcanization accelerator
Content be 1-2 parts by weight, the content of the age resistor is 0.6-2.3 parts by weight；Preferably
Relative to the main rubber of 100 parts by weight, the content of the reinforcing agent is 48-57 parts by weight,
The content of the vulcanizing agent is 1.8-2.1 parts by weight, and the content of the activator is 7-9 parts by weight, described
The content of vulcanization accelerator is 1.1-1.5 parts by weight, and the content of the age resistor is 1.2-1.8 parts by weight.
5. the rubber composition according to any one in claim 1-3, wherein, the rubber
Composition further contains softening agent and antiscorching agent；Preferably
Relative to the main rubber of 100 parts by weight, the content of the softening agent is 2-8 parts by weight,
The content of the antiscorching agent is 0.2-1 parts by weight；More preferably
Relative to the main rubber of 100 parts by weight, the content of the softening agent is 3-6 parts by weight,
The content of the antiscorching agent is 0.3-0.6 parts by weight.
6. rubber composition according to claim 4, wherein, the reinforcing agent is carbon black N220
With carbon black N774, relative to the main rubber of 100 parts by weight, the content of the carbon black N220 is
40-50 parts by weight, the content of the carbon black N774 is 10-30 parts by weight；Preferably
Relative to the main rubber of 100 parts by weight, the content of the carbon black N220 is 42-48 weights
Part is measured, the content of the carbon black N774 is 15-25 parts by weight.
7. rubber composition according to claim 4, wherein, the age resistor is 2,2,4- front threes
Base -1,2- dihyaroquinoline condensate and N- (1,3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines, relative to
The main rubber of 100 parts by weight, described 2,2, the 4- polymeric contents of trimethyl -1,2- dihyaroquinoline
For 0.5-1.5 parts by weight, the content of N- (1, the 3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines is 0.1-0.8
Parts by weight；Preferably
Relative to the main rubber of 100 parts by weight, described 2,2,4- trimethyl -1,2- dihyaroquinolines
Polymeric content is 1-1.2 parts by weight, N- (1, the 3- dimethyl) butyl-N'- diphenyl-para-phenylene diamines
Content is 0.2-0.6 parts by weight.
8. a kind of preparation method for vulcanizing rubber, this method is included any one in claim 1-7
Described hose lining is kneaded with each component in rubber composition, then carries out obtained elastomeric compound
Vulcanization.
9. the vulcanization rubber prepared as the method described in claim 8.
10. application of the vulcanization rubber in dredge rubber pipe hose lining described in claim 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107987331A (en) * | 2017-12-30 | 2018-05-04 | 海门市宏达铁路机车车辆配件有限公司 | A kind of rubber arthrosis arctic rubber |
| CN109575387A (en) * | 2017-09-29 | 2019-04-05 | 中国石油化工股份有限公司 | Tire tread rubber composition and vulcanized rubber and its preparation method and application |
| CN113512239A (en) * | 2021-04-30 | 2021-10-19 | 中国科学院长春应用化学研究所 | Rubber composition for tire side wall and preparation method thereof |
| CN116102794A (en) * | 2022-09-09 | 2023-05-12 | 广东粤港澳大湾区黄埔材料研究院 | High-modulus high-temperature-resistant dynamic shear fatigue rubber composition for tire and preparation method thereof |
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| CN101550245A (en) * | 2009-05-04 | 2009-10-07 | 杭州中策橡胶有限公司 | Tire compound composition using trans isoprene rubber and application thereof |
| CN102030925A (en) * | 2010-11-25 | 2011-04-27 | 江苏太平橡胶股份有限公司 | Method for preparing rubber material with added TPI (thermoplastic polyimide) for improving abrasive resistance of dredging rubber pipes |
| CN102634085A (en) * | 2012-05-02 | 2012-08-15 | 三角轮胎股份有限公司 | Rubber composition for sidewall strengthening layer of semi-steel radial run-flat tire |
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| CN101550245A (en) * | 2009-05-04 | 2009-10-07 | 杭州中策橡胶有限公司 | Tire compound composition using trans isoprene rubber and application thereof |
| CN102030925A (en) * | 2010-11-25 | 2011-04-27 | 江苏太平橡胶股份有限公司 | Method for preparing rubber material with added TPI (thermoplastic polyimide) for improving abrasive resistance of dredging rubber pipes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109575387A (en) * | 2017-09-29 | 2019-04-05 | 中国石油化工股份有限公司 | Tire tread rubber composition and vulcanized rubber and its preparation method and application |
| CN107987331A (en) * | 2017-12-30 | 2018-05-04 | 海门市宏达铁路机车车辆配件有限公司 | A kind of rubber arthrosis arctic rubber |
| CN113512239A (en) * | 2021-04-30 | 2021-10-19 | 中国科学院长春应用化学研究所 | Rubber composition for tire side wall and preparation method thereof |
| CN116102794A (en) * | 2022-09-09 | 2023-05-12 | 广东粤港澳大湾区黄埔材料研究院 | High-modulus high-temperature-resistant dynamic shear fatigue rubber composition for tire and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107033405B (en) | 2019-01-18 |
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