CN116355295A - Inflammable and explosive product transport vehicle tread rubber composite material and preparation method and application thereof - Google Patents
Inflammable and explosive product transport vehicle tread rubber composite material and preparation method and application thereof Download PDFInfo
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- CN116355295A CN116355295A CN202310200507.0A CN202310200507A CN116355295A CN 116355295 A CN116355295 A CN 116355295A CN 202310200507 A CN202310200507 A CN 202310200507A CN 116355295 A CN116355295 A CN 116355295A
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- rubber
- butadiene
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- isoprene
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 108
- 239000005060 rubber Substances 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 47
- 239000002360 explosive Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 52
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 52
- VLLYOYVKQDKAHN-UHFFFAOYSA-N buta-1,3-diene;2-methylbuta-1,3-diene Chemical compound C=CC=C.CC(=C)C=C VLLYOYVKQDKAHN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 239000012763 reinforcing filler Substances 0.000 claims abstract description 18
- 230000003712 anti-aging effect Effects 0.000 claims abstract description 14
- 239000007822 coupling agent Substances 0.000 claims abstract description 14
- 239000004014 plasticizer Substances 0.000 claims abstract description 14
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 12
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 12
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 12
- 229920001194 natural rubber Polymers 0.000 claims abstract description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 12
- 239000008117 stearic acid Substances 0.000 claims abstract description 12
- 239000011593 sulfur Substances 0.000 claims abstract description 12
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 12
- 239000011787 zinc oxide Substances 0.000 claims abstract description 12
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 10
- 150000001336 alkenes Chemical class 0.000 claims abstract description 8
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 8
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 24
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 24
- 239000006229 carbon black Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- -1 alkyl phenolic resin Chemical compound 0.000 claims description 6
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 6
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 3
- KPAPHODVWOVUJL-UHFFFAOYSA-N 1-benzofuran;1h-indene Chemical compound C1=CC=C2CC=CC2=C1.C1=CC=C2OC=CC2=C1 KPAPHODVWOVUJL-UHFFFAOYSA-N 0.000 claims description 2
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 claims description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000005662 Paraffin oil Substances 0.000 claims description 2
- PFRUBEOIWWEFOL-UHFFFAOYSA-N [N].[S] Chemical class [N].[S] PFRUBEOIWWEFOL-UHFFFAOYSA-N 0.000 claims description 2
- 150000004645 aluminates Chemical class 0.000 claims description 2
- 229940111121 antirheumatic drug quinolines Drugs 0.000 claims description 2
- 239000011280 coal tar Substances 0.000 claims description 2
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 claims description 2
- 239000012990 dithiocarbamate Substances 0.000 claims description 2
- 150000004659 dithiocarbamates Chemical class 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000004200 microcrystalline wax Substances 0.000 claims description 2
- 235000019808 microcrystalline wax Nutrition 0.000 claims description 2
- 239000000025 natural resin Substances 0.000 claims description 2
- 150000002832 nitroso derivatives Chemical class 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 235000005985 organic acids Nutrition 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 229920001568 phenolic resin Polymers 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 125000005498 phthalate group Chemical class 0.000 claims description 2
- 238000001556 precipitation Methods 0.000 claims description 2
- 150000003248 quinolines Chemical class 0.000 claims description 2
- 150000004756 silanes Chemical class 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 150000003505 terpenes Chemical class 0.000 claims description 2
- 235000007586 terpenes Nutrition 0.000 claims description 2
- 150000003557 thiazoles Chemical class 0.000 claims description 2
- 150000003585 thioureas Chemical class 0.000 claims description 2
- 239000012991 xanthate Substances 0.000 claims description 2
- 239000008096 xylene Substances 0.000 claims description 2
- 239000010692 aromatic oil Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 150000005002 naphthylamines Chemical class 0.000 claims 1
- 150000004989 p-phenylenediamines Chemical class 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052742 iron Inorganic materials 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 8
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000011049 filling Methods 0.000 description 9
- 230000003197 catalytic effect Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
- C08K2201/001—Conductive additives
-
- 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
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A tread rubber composite material for a flammable and explosive transport vehicle, a preparation method and application thereof. The invention belongs to the field of rubber materials and preparation thereof. The invention aims to solve the technical problem that the existing tire tread rubber does not have an electrostatic conduction function. The material is prepared from olefin rubber, reinforcing filler, carbon nano tube, zinc oxide, stearic acid, plasticizer, coupling agent, tackifying resin, sulfur, accelerator, anti-aging agent and scorch retarder, wherein the olefin is a polymerThe hydrocarbon rubber is formed by mixing natural rubber, butadiene rubber, styrene butadiene rubber and butadiene-isoprene rubber. According to the invention, the iron-based catalyzed butadiene-isoprene rubber and the carbon nano tube are introduced into the rubber formula, so that the resistance of the tread rubber of the tire is reduced to 8 multiplied by 10 under the same test condition while the processability of the rubber composite material is ensured 3 Omega, thereby improving the safety, fuel economy and durability of the tire.
Description
Technical Field
The invention belongs to the field of rubber materials and preparation thereof, and particularly relates to a tread rubber composite material for a flammable and explosive carrier vehicle, and a preparation method and application thereof.
Background
Static electricity is generated by friction between internal parts, between the surface of a vehicle body and dry air, and between tires and the ground during running of an automobile. Static electricity is accumulated in a large quantity in a short time to form high potential difference and instant discharge, and the special sensitive electronic element has larger damage to the internal structure of the electronic element for the inflammable and explosive article transport vehicle. The high static electricity can cause spontaneous combustion or deflagration of the vehicle, influence the normal operation of electronic equipment, and have great potential safety hazards.
The anti-static grounding strap for the vehicle has the problems of falling off and the like in the using process, and can not be effectively protected. The tire is used as the only way for the contact between the vehicle and the ground, and the tire can be contacted with the ground in real time, so that the problem can be thoroughly eliminated if the tire has the function of conducting static electricity.
Disclosure of Invention
The invention aims to solve the technical problem that the existing tire tread rubber does not have an electrostatic conduction function, and provides a composite material of the tread rubber of a flammable and explosive transport vehicle, and a preparation method and application thereof.
The invention aims at providing a tread rubber composite material for a flammable and explosive transport vehicle, which is prepared from the following components in parts by weight:
100 parts of olefin rubber;
20-90 parts of reinforcing filler;
0.5-5 parts of carbon nano tube;
1-5 parts of zinc oxide;
0.5-5 parts of stearic acid;
0.5-30 parts of plasticizer;
0.5-15 parts of coupling agent;
0.5-10 parts of tackifying resin;
1-20 parts of sulfur;
1-5 parts of a promoter;
1-5 parts of an anti-aging agent;
0.1-3 parts of scorch retarder;
the olefin rubber is prepared by mixing, by weight, 0-70 parts of natural rubber, 0-30 parts of butadiene rubber, 5-70 parts of styrene-butadiene rubber and 15-75 parts of butadiene-isoprene rubber, wherein the parts of natural rubber and butadiene rubber are not simultaneously 0.
Further defined, the number average molecular weight of the butadiene-isoprene rubber was 92.4w, the molar ratio of monomer butadiene to isoprene during the preparation was 3:7, the molar content of 1, 2-butadiene in the butadiene structural unit was 20%, the molar content of 1, 4-butadiene was 80%, the molar content of 3, 4-isoprene in the isoprene structural unit was 86%, and the molar content of 1, 4-isoprene was 14%.
Further defined, the carbon nanotubes have a diameter of 1-500nm, and are one or a mixture of several of single-layer carbon nanotubes, double-layer carbon nanotubes and multi-layer carbon nanotubes in any ratio.
Further limited, the reinforcing filler is one or a mixture of two of carbon black and white carbon black according to any ratio.
Further defined, the carbon black is one or a mixture of a plurality of contact carbon black, furnace carbon black, thermal carbon black and new process carbon black according to any ratio.
Further defined, the white carbon black is one or a mixture of a plurality of white carbon black in a gas phase method and white carbon black in a precipitation method according to any ratio.
Further limited, the plasticizer is one or a mixture of several of aromatic hydrocarbon oil, naphthenic oil, paraffin oil, coal tar, paraffin wax, microcrystalline wax and naphtha according to any ratio.
Further limited, the coupling agent is one or a mixture of a plurality of silanes, phthalates, phosphates and aluminates according to any ratio.
Further defined, the tackifying resin is one or a mixture of a plurality of coumarone-indene resins, terpene resins, petroleum resins, natural resins, alkyl phenolic resins and xylene resins according to any ratio.
Further limited, the accelerator is one or a mixture of a plurality of sulfenamides, thiazoles, thiurams, thioureas, dithiocarbamates, aldamines, guanidine and xanthates according to any ratio.
Further limited, the anti-aging agent is one or a mixture of more of quinolines, p-phenylenediamine, naphthylamine and phenols according to any ratio.
Further defined, the scorch retarder is one or a mixture of a plurality of sulfur nitrogen compounds, organic acids and nitroso compounds according to any ratio.
The second purpose of the invention is to provide a preparation method of the tread rubber composite material of the flammable and explosive transport vehicle, which comprises the following steps:
step 1: adding olefin rubber into an internal mixer for plasticating to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer for mixing to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Compared with the prior art, the invention has the remarkable effects that:
according to the invention, the iron-based catalyzed butadiene-isoprene rubber and the carbon nano tube are introduced into the rubber formula, so that the resistance of the tread rubber of the tire is reduced to 8 multiplied by 10 under the same test condition while the processability of the rubber composite material is ensured 3 Omega, the mechanical property of the rubber material is improved, the tensile property is improved by about 15.32%, the tear resistance is improved by about 12.63%, the wet skid resistance of the rubber composite material is improved by about 8.32%, the rolling resistance of the rubber composite material is reduced by about 10.29%, and the abrasion is reduced by 7.89%, so that the use safety, the fuel economy and the durability of the tire are improved. The method has the specific advantages that:
1) The abundant side groups (vinyl and propenyl) in the iron-based catalytic butadiene-isoprene rubber have larger space volume, and the carbon nanotubes are dispersed in the composite material, so that the distance between a molecular chain and the carbon nanotubes can be effectively reduced, the continuous distribution between the carbon nanotubes and a rubber matrix is enhanced in the system, the tunnel effect and the field emission effect are enhanced, and the conductivity of the system is enhanced; meanwhile, as the specific surface area of the carbon nano tube is large, the sheet layer is thin, the particle size is small, the carbon nano tube can be connected with each other by being uniformly dispersed in rubber, an electron migration path is formed, the compatibility with iron-based catalytic butadiene-isoprene rubber is increased, and the synergistic effect between the carbon nano tube and the iron-based catalytic butadiene-isoprene rubber is enhanced. In addition, adjacent atoms in the carbon nano tube are connected by covalent bonds, delocalized pi bonds exist in the structure of the carbon nano tube, electrons can freely move in the delocalized pi bonds, the electron mobility is increased, the carbon nano tube is uniformly dispersed in a rubber matrix, and the mechanical property of the rubber composite material is effectively improved.
2) The double bond carbon in the 3, 4-propenyl is connected with electron-donating lateral methyl, so that the activity of alpha-H is improved, the dissociation energy of the double bond is reduced, the interaction between carbon anions and the surface of the reinforcing filler is formed, the dispersion effect of the carbon nano tube and the reinforcing filler in a rubber matrix is improved, the aggregation between the fillers is destroyed, the filler-filler grid is reduced, when the tire deforms under the action of stress, the friction between the fillers is reduced, the resistance between molecules is reduced, the rolling resistance is reduced, meanwhile, the modulus of the whole system is improved by adding the carbon nano tube, the deformation is reduced under the action of the same external force, the internal consumption of the material is reduced, and the rolling resistance is further reduced.
Detailed Description
The present invention will be described in further detail, clarity and completeness by the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
The experimental methods used in the following examples are conventional methods unless otherwise specified. The materials, reagents, methods and apparatus used, without any particular description, are those conventional in the art and are commercially available to those skilled in the art. For process parameters not specifically noted, reference may be made to conventional conditions.
The terms "comprising," "including," "having," "containing," or any other variation thereof, as used in the following embodiments, are intended to cover a non-exclusive inclusion. For example, a composition, step, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, step, method, article, or apparatus.
Reference in the following examples to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
When an equivalent, concentration, or other value or parameter is expressed as a range, preferred range, or a range bounded by a list of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when ranges of "1 to 5" are disclosed, the described ranges should be construed to include ranges of "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a numerical range is described herein, unless otherwise indicated, the range is intended to include its endpoints and all integers and fractions within the range. In the present specification and claims, the range limitations may be combined and/or interchanged, such ranges including all the sub-ranges contained therein if not expressly stated.
The indefinite articles "a" and "an" preceding an element or component of the invention are not limited to the requirement (i.e. the number of occurrences) of the element or component. Thus, the use of "a" or "an" should be interpreted as including one or at least one, and the singular reference of an element or component includes the plural reference unless the amount clearly dictates otherwise.
Example 1: the formula of the tread rubber composite material of the flammable and explosive carrier vehicle of the embodiment is shown in table 1, and the performance detection result is shown in table 2;
wherein the number average molecular weight of the butadiene-isoprene rubber is 92.4w, the molar ratio of monomer butadiene to isoprene is 3:7 in the preparation process, and the microstructure composition of the prepared butadiene-isoprene rubber is as follows: the molar content of 1, 2-butadiene in the butadiene structural unit was 20%, the molar content of 1, 4-butadiene was 80%, the molar content of 3, 4-isoprene in the isoprene structural unit was 86%, and the molar content of 1, 4-isoprene was 14%, which was designated BIR-7369.
The diameter of the carbon nano tube is 158 nm.
The preparation method of the tread rubber composite material for the inflammable and explosive transport vehicle comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber, butadiene rubber and butadiene-isoprene rubber into an internal mixer with a filling coefficient of 0.72, and plasticating for 240s at 130 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer, mixing for 300s at 144 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Example 2: the formula of the tread rubber composite material of the flammable and explosive carrier vehicle of the embodiment is shown in table 1, and the performance detection result is shown in table 2;
wherein the number average molecular weight of the butadiene-isoprene rubber is 92.4w, the molar ratio of monomer butadiene to isoprene is 3:7 in the preparation process, and the microstructure composition of the prepared butadiene-isoprene rubber is as follows: the molar content of 1, 2-butadiene in the butadiene structural unit was 20%, the molar content of 1, 4-butadiene was 80%, the molar content of 3, 4-isoprene in the isoprene structural unit was 86%, and the molar content of 1, 4-isoprene was 14%, which was designated BIR-7369.
The diameter of the carbon nano tube is 5 layers of carbon nano tubes with the diameter of 124 nm.
The preparation method of the tread rubber composite material for the inflammable and explosive transport vehicle comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber, butadiene rubber and butadiene-isoprene rubber into an internal mixer with a filling coefficient of 0.68, and plasticating for 240s at 132 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer, mixing for 300s at 138 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Example 3: the formula of the tread rubber composite material of the flammable and explosive carrier vehicle of the embodiment is shown in table 1, and the performance detection result is shown in table 2;
wherein the number average molecular weight of the butadiene-isoprene rubber is 92.4w, the molar ratio of monomer butadiene to isoprene is 3:7 in the preparation process, and the microstructure composition of the prepared butadiene-isoprene rubber is as follows: the molar content of 1, 2-butadiene in the butadiene structural unit was 20%, the molar content of 1, 4-butadiene was 80%, the molar content of 3, 4-isoprene in the isoprene structural unit was 86%, and the molar content of 1, 4-isoprene was 14%, which was designated BIR-7369.
And the diameter of the carbon nano tube is 5 layers of carbon nano tubes with the diameter of 131 nm.
The preparation method of the tread rubber composite material for the inflammable and explosive transport vehicle comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber, butadiene rubber and butadiene-isoprene rubber into an internal mixer with a filling coefficient of 0.71, and plasticating for 240s at 131 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer, mixing for 300s at 144 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Example 4: the formula of the tread rubber composite material of the flammable and explosive carrier vehicle of the embodiment is shown in table 1, and the performance detection result is shown in table 2;
wherein the number average molecular weight of the butadiene-isoprene rubber is 92.4w, the molar ratio of monomer butadiene to isoprene is 3:7 in the preparation process, and the microstructure composition of the prepared butadiene-isoprene rubber is as follows: the molar content of 1, 2-butadiene in the butadiene structural unit was 20%, the molar content of 1, 4-butadiene was 80%, the molar content of 3, 4-isoprene in the isoprene structural unit was 86%, and the molar content of 1, 4-isoprene was 14%, which was designated BIR-7369.
And the diameter of the carbon nano tube is 169 nm.
The preparation method of the tread rubber composite material for the inflammable and explosive transport vehicle comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber, butadiene rubber and butadiene-isoprene rubber into an internal mixer with a filling coefficient of 0.69, and plasticating for 240s at 131 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer, mixing for 300s at 142 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Comparative example 1: this comparative example differs from example 4 in that: without adding butadiene-isoprene rubber BIR-7369, the specific formula of the 5-layer carbon nano tube with the diameter of 162nm is shown in table 1; the performance test results are shown in table 2; the preparation method comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber and butadiene rubber into an internal mixer with a filling coefficient of 0.67, and plasticating for 240s at 135 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer, mixing for 300s at 144 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Comparative example 2: this comparative example differs from example 4 in that: the specific formulation without carbon nanotubes is shown in table 1; the performance test results are shown in table 2; the preparation method comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber, butadiene rubber and butadiene-isoprene rubber into an internal mixer with a filling coefficient of 0.68, and plasticating for 240s at 133 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are stored for more than 4 hours into an internal mixer, wherein the filling coefficient is 0.71, and mixing for 300s at 143 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
Comparative example 3: this comparative example differs from example 4 in that: the specific formula of the BIR-7369 and the carbon nano tube without the addition of the butadiene-isoprene rubber is shown in the table 1; the performance test results are shown in table 2; the preparation method comprises the following steps:
step 1: adding natural rubber, solution polymerized styrene-butadiene rubber and butadiene rubber into an internal mixer with a filling coefficient of 0.71, and plasticating for 240s at 133 ℃ to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are stored for more than 4 hours into an internal mixer, wherein the filling coefficient is 0.71, and mixing for 300s at 142 ℃ to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle
Table 1 formulation of rubber composite
TABLE 2 rubber composite Properties
| Performance parameters | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Tensile strength, MPa | 13.64 | 14.32 | 14.79 | 15.23 | 13.45 | 13.38 | 13.21 |
| 100% stress at definite elongation, MPa | 2.14 | 2.23 | 2.28 | 2.37 | 2.08 | 2.11 | 1.99 |
| 300% stress at definite elongation, MPa | 8.23 | 8.38 | 8.51 | 8.62 | 8.12 | 8.09 | 7.98 |
| Elongation at break% | 458.76 | 465.73 | 478.21 | 489.59 | 463.17 | 457.62 | 449.95 |
| Shore A hardness | 64 | 64 | 65 | 65 | 64 | 64 | 63 |
| Tear strength, KN/m | 44.7 | 46.1 | 47.3 | 48.5 | 43.5 | 43.8 | 43.1 |
| DIN abrasion, mm 3 /40m | 0.1896 | 0.1874 | 0.1831 | 0.1789 | 0.1912 | 0.1908 | 0.1929 |
| 0℃tanδ | 0.306 | 0.312 | 0.317 | 0.322 | 0.284 | 0.301 | 0.297 |
| 60℃tanδ | 0.091 | 0.088 | 0.086 | 0.085 | 0.092 | 0.091 | 0.094 |
| Surface resistance, Ω | 3×10 6 | 7×10 5 | 4×10 7 | 8×10 3 | 8×10 9 | 2×10 12 | ∞ |
As can be seen from the data in Table 2, the present invention reduces the resistance of the tread rubber to 8X 10 under the same test conditions while ensuring the processability of the rubber composite by introducing iron-catalyzed butyl-pentyl rubber and carbon nanotubes into the rubber formulation 3 Omega, the mechanical property of the rubber material is improved, the tensile property is improved by about 15.32%, the tear resistance is improved by about 12.63%, the wet skid resistance of the rubber composite material is improved by about 8.32%, the rolling resistance of the rubber composite material is reduced by about 10.29%, and the abrasion is reduced by 7.89%, so that the use safety, the fuel economy and the durability of the tire are improved.
This is mainly due to: 1) The abundant side groups (vinyl and propenyl) in the iron-based catalytic butadiene-isoprene rubber have larger space volume, and the carbon nanotubes are dispersed in the composite material, so that the distance between a molecular chain and the carbon nanotubes can be effectively reduced, the continuous distribution between the carbon nanotubes and a rubber matrix is enhanced in the system, the tunnel effect and the field emission effect are enhanced, and the conductivity of the system is enhanced; meanwhile, as the specific surface area of the carbon nano tube is large, the sheet layer is thin, the particle size is small, the carbon nano tube can be connected with each other by being uniformly dispersed in rubber, an electron migration path is formed, the compatibility with iron-based catalytic butadiene-isoprene rubber is increased, and the synergistic effect between the carbon nano tube and the iron-based catalytic butadiene-isoprene rubber is enhanced. In addition, adjacent atoms in the carbon nano tube are connected by covalent bonds, delocalized pi bonds exist in the structure of the carbon nano tube, electrons can freely move in the delocalized pi bonds, the electron mobility is increased, the carbon nano tube is uniformly dispersed in a rubber matrix, and the mechanical property of the rubber composite material is effectively improved.
2) The double bond carbon in the 3, 4-propenyl is connected with electron-donating lateral methyl, so that the activity of alpha-H is improved, the dissociation energy of the double bond is reduced, the interaction between carbon anions and the surface of the reinforcing filler is formed, the dispersion effect of the carbon nano tube and the reinforcing filler in a rubber matrix is improved, the aggregation between the fillers is destroyed, the filler-filler grid is reduced, when the tire is deformed under the action of stress, the friction between the fillers is reduced, the resistance to movement between molecules is reduced, and the rolling resistance is reduced; the addition of the carbon nano tube improves the modulus of the whole system, and the deformation quantity is reduced under the condition of the same external force, so that the internal consumption of the material is reduced, and the rolling resistance is reduced.
It should be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and that the present invention is based on various embodiments under the general inventive concept, and the scope of the present invention is not limited thereto, but any person skilled in the art can make modifications or equivalents to the technical solution of the present invention within the technical scope of the present invention disclosed herein, which are all encompassed by the scope of the claims of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (10)
1. The tread rubber composite material for the flammable and explosive transport vehicle is characterized by being prepared from the following components in parts by weight:
100 parts of olefin rubber;
20-90 parts of reinforcing filler;
0.5-5 parts of carbon nano tube;
1-5 parts of zinc oxide;
0.5-5 parts of stearic acid;
0.5-30 parts of plasticizer;
0.5-15 parts of coupling agent;
0.5-10 parts of tackifying resin;
1-20 parts of sulfur;
1-5 parts of a promoter;
1-5 parts of an anti-aging agent;
0.1-3 parts of scorch retarder;
the olefin rubber is prepared by mixing, by weight, 0-70 parts of natural rubber, 0-30 parts of butadiene rubber, 5-70 parts of styrene-butadiene rubber and 15-75 parts of butadiene-isoprene rubber, wherein the parts of natural rubber and butadiene rubber are not simultaneously 0.
2. The composite material for the tread rubber for the transport vehicle for the inflammable and explosive product according to claim 1, wherein the number average molecular weight of the butadiene-isoprene rubber is 92.4w, the molar ratio of the monomer butadiene to the isoprene is 3:7 in the preparation process, the molar content of 1, 2-butadiene in a butadiene structural unit is 20%, the molar content of 1, 4-butadiene is 80%, the molar content of 3, 4-isoprene in an isoprene structural unit is 86%, and the molar content of 1, 4-isoprene is 14%.
3. The composite material for tread rubber of inflammable and explosive carrier vehicle according to claim 1, wherein the diameter of the carbon nanotube is one or more of a single-layer carbon nanotube, a double-layer carbon nanotube and a multi-layer carbon nanotube of 1-500 nm.
4. The composite material of the tread rubber for the transport vehicle for the inflammable and explosive products according to claim 1, wherein the reinforcing filler is one or two of carbon black and white carbon black.
5. The composite material of the tread rubber for the transport vehicle for the inflammable and explosive products, according to claim 5, wherein the carbon black is one or more of contact carbon black, furnace carbon black, thermal carbon black and new process carbon black.
6. The composite material of the tread rubber for the transport vehicle for the inflammable and explosive products, which is characterized in that the white carbon black is one or more of white carbon black by a gas phase method and white carbon black by a precipitation method.
7. The composite material of the tread rubber for the flammable and explosive carrier vehicle according to claim 1, wherein the plasticizer is one or more of aromatic oil, naphthenic oil, paraffin oil, coal tar, paraffin wax, microcrystalline wax and naphtha, the coupling agent is one or more of silanes, phthalates, phosphates and aluminates, the tackifying resin is one or more of coumarone-indene resin, terpene resin, petroleum resin, natural resin, alkyl phenolic resin and xylene resin, and the accelerator is one or more of sulfenamides, thiazoles, thiurams, thioureas, dithiocarbamates, aldamines, guanidine and xanthates.
8. The composite material of the tread rubber for the transport vehicle for the inflammable and explosive products, according to claim 1, is characterized in that the anti-aging agent is one or more of quinolines, p-phenylenediamines, naphthylamines and phenols, and the scorch retarder is one or more of sulfur-nitrogen compounds, organic acids and nitroso compounds.
9. The method for preparing the tread rubber composite material for the flammable and explosive carrier vehicle according to any one of claims 1 to 8, which is characterized by comprising the following steps:
step 1: adding olefin rubber into an internal mixer for plasticating to obtain plasticated rubber;
step 2: placing plasticated rubber, reinforcing filler, carbon nano tube, stearic acid, zinc oxide, plasticizer, coupling agent, tackifying resin, anti-aging agent and anti-scorching agent which are placed for more than 4 hours into an internal mixer for mixing to obtain mixed rubber;
step 3: adding the mixed rubber, sulfur and an accelerator into an internal mixer for continuous mixing to obtain the tread rubber composite material of the flammable and explosive transport vehicle.
10. Use of the tread band composite material of the flammable and explosive carrier vehicle as defined in any one of claims 1-8 in the manufacture of a flammable and explosive carrier vehicle tire.
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Cited By (1)
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