CN114907791B - Non-pneumatic tire bonding material and preparation method and application thereof - Google Patents
Non-pneumatic tire bonding material and preparation method and application thereof Download PDFInfo
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- CN114907791B CN114907791B CN202110180141.6A CN202110180141A CN114907791B CN 114907791 B CN114907791 B CN 114907791B CN 202110180141 A CN202110180141 A CN 202110180141A CN 114907791 B CN114907791 B CN 114907791B
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- pneumatic tire
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- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims description 9
- 239000006229 carbon black Substances 0.000 claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims description 31
- 230000001070 adhesive effect Effects 0.000 claims description 22
- 239000000853 adhesive Substances 0.000 claims description 21
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 239000004814 polyurethane Substances 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 15
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 230000003712 anti-aging effect Effects 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 239000011787 zinc oxide Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 244000043261 Hevea brasiliensis Species 0.000 abstract description 15
- 229920003052 natural elastomer Polymers 0.000 abstract description 15
- 229920001194 natural rubber Polymers 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000006735 epoxidation reaction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 125000003700 epoxy group Chemical group 0.000 description 4
- 239000012855 volatile organic compound Substances 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- -1 cyano compound Chemical class 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- OWRCNXZUPFZXOS-UHFFFAOYSA-N 1,3-diphenylguanidine Chemical compound C=1C=CC=CC=1NC(=N)NC1=CC=CC=C1 OWRCNXZUPFZXOS-UHFFFAOYSA-N 0.000 description 1
- MHKLKWCYGIBEQF-UHFFFAOYSA-N 4-(1,3-benzothiazol-2-ylsulfanyl)morpholine Chemical compound C1COCCN1SC1=NC2=CC=CC=C2S1 MHKLKWCYGIBEQF-UHFFFAOYSA-N 0.000 description 1
- YLKFDHTUAUWZPQ-UHFFFAOYSA-N N-Nitrosodi-n-propylamine Chemical compound CCCN(N=O)CCC YLKFDHTUAUWZPQ-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- REQPQFUJGGOFQL-UHFFFAOYSA-N dimethylcarbamothioyl n,n-dimethylcarbamodithioate Chemical compound CN(C)C(=S)SC(=S)N(C)C REQPQFUJGGOFQL-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- FGBJXOREULPLGL-UHFFFAOYSA-N ethyl cyanoacrylate Chemical compound CCOC(=O)C(=C)C#N FGBJXOREULPLGL-UHFFFAOYSA-N 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- CMAUJSNXENPPOF-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-n-cyclohexylcyclohexanamine Chemical compound C1CCCCC1N(C1CCCCC1)SC1=NC2=CC=CC=C2S1 CMAUJSNXENPPOF-UHFFFAOYSA-N 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J115/00—Adhesives based on rubber derivatives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a non-pneumatic tire bonding material, which comprises the following components in parts by weight: 25-70 parts, preferably 40-60 parts, of carbon black based on 100 parts by total mass of epoxidized natural rubber; contains 5-30 parts of white carbon black, preferably 5-20 parts; the epoxidation ratio of the epoxidized natural rubber is 20mol% to 75mol%, preferably 25 to 50mol%. The bonding material of the invention not only has very good bonding effect, but also is very environment-friendly, and harmful gas is not generated in the manufacturing process basically, thus being environment-friendly.
Description
Technical Field
The invention relates to the field of non-pneumatic tire adhesion, in particular to a non-pneumatic tire adhesion material, a preparation method and application thereof.
Background
The conventional automobile tires mainly comprise pneumatic tires, the air pressure of the pneumatic tires is indispensable for the bearing and comfort of the pneumatic tires, and the pneumatic tires can be burst due to high temperature, poor tire quality, too high or too low air pressure, trauma, poor road conditions and the like although the pneumatic tires are widely applied. Especially when running at high speed, the friction of the tire is increased by times, the temperature of the tire is raised quickly, and if the air pressure is too high or too low, the pneumatic tire is at any time at risk of tire burst, which causes great harm to life and property safety of people.
The patent US20040159385A1, US2018102560A1 and the like propose a concept of a non-pneumatic tire, the pneumatic structure of the traditional pneumatic tire is abandoned, and the non-pneumatic tire consisting of a hub, spokes, a shearing band and a tread is designed, wherein the hub of the non-pneumatic tire is consistent with the hub of a common tire in function, the spokes can help to absorb load, the shearing band is equivalent to the pneumatic structure of the pneumatic tire, and the function of dispersing the load is achieved, so that the advantages of the pneumatic tire can be realized, the pneumatic tire is not the pneumatic structure, and the tire burst is avoided.
The patent US20020124929A1, US20040187996A1, etc. propose structurally supported tires, which also belong to non-pneumatic tires, which are similar in construction to the ones described above, consisting of a hub, a support body, a shear band and a tread, and which also have various advantages of non-pneumatic tires.
The structure and performance of the non-pneumatic tire are superior, but the adhesion of the polyurethane spokes to the rubber shear band is poor, so it is very important to improve the adhesion of the two.
The shearing band and spoke bonding proposed in WO2019051493A1 is a cyanoacrylate adhesive, and WO2006002998A1 proposes that the adhesive for bonding polyurethane and rubber of non-pneumatic tire is a polyisocyanate compound, and these adhesives have high bonding strength, but the cyano compound and polyisocyanate are not only toxic, but also the adhesives necessarily require a large amount of volatile organic solvents to dissolve, such as toluene, xylene, etc., are not friendly to the environment, generate a large amount of VOC during the manufacturing process, and are extremely harmful to human body.
Therefore, a new type of adhesive material for bonding spokes to an environment-friendly shear band is highly desired.
Disclosure of Invention
One of the purposes of the invention is to solve the problems of the prior art that the adhesive for bonding the non-pneumatic tire shearing belt and the spoke has high toxicity, needs a large amount of volatile organic solvent for dissolution, and is easy to pollute the environment. The non-pneumatic tire bonding material has good bonding effect, is environment-friendly, and does not generate harmful gas basically in the manufacturing process.
The invention also aims to solve the problems of complex bonding method of the non-pneumatic tire shearing belt and the spoke, high cost and the like in the prior art, and provides a preparation method of the non-pneumatic tire bonding material.
In order to achieve one of the above objects, the present invention is achieved by the following technical solutions: the invention relates to a non-pneumatic tire bonding material, which comprises the following components in parts by weight: 25 to 70 parts, preferably 40 to 60 parts of carbon black based on 100 parts by total mass of Epoxidized Natural Rubber (ENR); contains 5-30 parts of white carbon black, preferably 5-20 parts; the epoxidation ratio of the epoxidized natural rubber is 20mol% to 75mol%, preferably 25 to 50mol%.
In the technical scheme, the epoxidized natural rubber is at least one of ENR25 and ENR 50; more preferably, the ENR25 and the ENR50 are mixed in a weight ratio of 0.5.ltoreq.ENR50: ENR25 is less than or equal to 2, preferably 0.5 is less than or equal to ENR50: ENR25 is less than or equal to 1. The epoxy groups and a small amount of hydroxyl groups in the epoxidized natural rubber have polarity, can be subjected to chemical reaction with non-inflatable polyurethane spokes to generate stable chemical bonds, and can be subjected to co-vulcanization adhesion with tread rubber, so that the epoxidized natural rubber has good adhesion performance, and the epoxy group proportion can be intentionally regulated by using ENR25 and ENR50 in a mixed manner so as to meet the adhesion performance and mechanical performance required by different practical applications.
In the above technical solution, the carbon black is carbon black commonly used in the adhesive material, preferably at least one of carbon black N330, carbon black N550, carbon black N660 and carbon black N774; further preferred is carbon black under the designation N660.
In the above technical scheme, the white carbon black is a white carbon black commonly used in adhesive materials, preferably at least one of white carbon black VN3, white carbon black 1165 and white carbon black HL-200. Further preferred is white carbon black of the brand VN 3. The carbon black is a common reinforcing agent, the white carbon black is not only the reinforcing agent of the epoxidized natural rubber, but also a large number of hydroxyl groups are arranged on the surface of the white carbon black, and the hydroxyl groups can react with polyurethane, so that the adhesive property is promoted.
In the technical scheme, the bonding material further comprises the following components in 100 parts by weight of the total mass of the epoxidized natural rubber:
In the above technical scheme, the operation oil is at least one selected from naphthenic oil, paraffinic oil, aromatic hydrocarbon oil and coal tar.
In the above-mentioned technical solution, the anti-aging agent commonly used in the adhesive material is preferably at least one of the anti-aging agent 4020, the anti-aging agent RD, the anti-aging agent 4010NA and the anti-aging agent D.
In the above technical scheme, the scorch retarder is at least one selected from scorch retarder CTP, scorch retarder PVI and scorch retarder NDPA.
In the above technical solution, the accelerator is selected from accelerators commonly used in adhesive materials, preferably at least one of accelerator CZ, accelerator NOBS, accelerator D, accelerator DM, accelerator DZ, accelerator TMTD and accelerator TMTM.
In order to achieve the second purpose, the invention is realized by the following technical scheme: the preparation method of the adhesive material comprises the steps of rolling the epoxidized natural rubber out of a rubber sheet; and adding the components including the carbon black and the white carbon black into the film for mixing.
Preferably, the method comprises the steps of: (1) Passing the epoxidized natural rubber on an open mill for 3-4 times with the lowest roll spacing, and then discharging sheets with the roll spacing of 2-2.5 mm; (2) Cutting the film obtained in the step (1) into strips, then putting the strips into an internal mixer, mixing for 1-1.5 minutes, and sequentially putting zinc oxide, stearic acid, an anti-aging agent, a scorch retarder, carbon black, white carbon black and operating oil, and mixing for 5-8 minutes to obtain a mixed rubber I; (3) 3-4 triangular bags are arranged on an open mill at the finest roll spacing, and sheets are taken out at 2-2.5mm after 3-4 rolls to obtain a second rubber compound; (4) Wrapping the second mixed rubber on an open mill with a roll spacing of 1-2mm, adding sulfur and an accelerator, respectively cutting the left and right cutters for 3-4 times, discharging sheets, cooling and standing to obtain the adhesive material composition.
It is a further object of the present invention to provide a use of said bonding material in a non-pneumatic tire, comprising the use of said bonding material for bonding a shear band and spokes of a non-pneumatic tire.
In the technical scheme, a brush or a high-speed grinding wheel is used for cleaning the surface of the polyurethane spoke; bonding the unvulcanized adhesive material between the cured polyurethane spokes and the unvulcanized shear band rubber to make the bonding neat; the composition is heated for 0.5 to 1 hour at 150 ℃ under the pressure of 10MPa to be solidified and bonded.
Compared with the prior art, the invention has the following beneficial effects: the epoxy groups in the unvulcanized epoxidized natural rubber and the hydroxyl groups in the polyurethane subjected to surface treatment are reacted to form strong chemical adhesion, meanwhile, the unvulcanized epoxidized natural rubber can be attached to the unvulcanized rubber forming the shear band, the unvulcanized epoxidized natural rubber and the unvulcanized rubber are co-vulcanized under certain pressure and temperature, the reaction of the epoxy groups and the hydroxyl groups and the co-vulcanization of the rubber can be simultaneously carried out under the same temperature and pressure, and the unvulcanized epoxidized natural rubber not only does not contain toxic substances such as cyano compounds, organic solvents and the like, but also is environment-friendly, free of redundant VOC (volatile organic compounds) emission, and capable of saving a large amount of manufacturing time and cost.
Detailed Description
The present invention is described in detail below with reference to specific embodiments, and it should be noted that the following embodiments are only for further description of the present invention and should not be construed as limiting the scope of the present invention, and some insubstantial modifications and adjustments of the present invention by those skilled in the art from the present disclosure are still within the scope of the present invention.
Example 1
The formula (mass parts):
The preparation method and application comprise the following steps: (1) Passing ENR50 on an open mill for 3 times with the lowest roll spacing, and then discharging sheets with the roll spacing of 2 mm; (2) Cutting the ENR50 film obtained in the step (1) into strips, then putting the strips into an internal mixer, mixing for 1 minute, and sequentially putting zinc oxide, stearic acid, an anti-aging agent 4020, a scorch retarder CTP, carbon black N660, white carbon black VN3 and naphthenic oil, and mixing for 8 minutes to obtain a first mixed rubber; (3) 3 triangular bags are arranged on an open mill at the finest roll spacing, and sheets are taken out by 2mm after 3 rolls are rolled to obtain a second rubber compound; (4) And wrapping the mixed rubber II on an open mill with a roll spacing of 1mm, adding sulfur and CZ promoting agents, respectively 3 times on a left cutter and a right cutter, discharging sheets, cooling and standing to obtain the rubber composition. (5) Cleaning the surface of the polyurethane using a brush or a high-speed grinding wheel; (6) Bonding the unvulcanized adhesive material between the cured polyurethane spokes and the unvulcanized shear band rubber to make the bonding neat; (7) The above composition was cured and bonded by heating at 150℃for 1 hour under a pressure of 10MPa, and the properties were tested.
The resulting composite was then subjected to the peel test described in International Standard ISO 8510-1:1990 (F), which was conducted at room temperature of 25℃and was conducted using a universal tensile tester, the adhesive material prepared in this example exhibited extremely high peel strength, which reached 60kN/m.
Example 2
The formula (mass parts):
the method comprises the following steps: (1) Passing ENR50 and ENR25 on an open mill for 3 times with the lowest roll spacing, and then discharging sheets with the roll spacing of 2 mm; (2) Cutting the ENR50 and ENR25 films obtained in the step (1) into strips, putting into an internal mixer, mixing for 1 minute, and sequentially putting zinc oxide, stearic acid, an anti-aging agent 4020, an anti-scorching agent CTP, N330 carbon black, VN3 white carbon black and naphthenic oil, mixing for 8 minutes to obtain a mixed rubber I; (3) 3 triangular bags are arranged on an open mill at the finest roll spacing, and sheets are taken out by 2mm after 3 rolls are rolled to obtain a second rubber compound; (4) And wrapping the mixed rubber II on an open mill with a roll spacing of 1mm, adding sulfur and CZ promoting agents, respectively 3 times on a left cutter and a right cutter, discharging sheets, cooling and standing to obtain the rubber composition. (5) Cleaning the surface of the polyurethane using a brush or a high-speed grinding wheel; (6) Bonding the unvulcanized adhesive material between the cured polyurethane spokes and the unvulcanized shear band rubber to make the bonding neat; (7) The above composition was cured and bonded under a pressure of 10MPa at 150℃for 0.5h, and tested for performance.
The resulting composite was then subjected to the peel test described in International Standard ISO 8510-1:1990 (F), which was conducted at room temperature of 25℃and was conducted using a universal tensile tester, the adhesive material prepared in this example exhibited extremely high peel strength, which reached 55kN/m.
Example 3
The formula (mass parts):
The method comprises the following steps: (1) Passing ENR50 and ENR25 on an open mill for 3 times with the lowest roll spacing, and then discharging sheets with the roll spacing of 2 mm; (2) Cutting the ENR50 and ENR25 films obtained in the step (1) into strips, then putting the strips into an internal mixer, mixing for 1 minute, and sequentially putting zinc oxide, stearic acid, an anti-aging agent 4020, anti-scorching agents CTP, N660 carbon black, VN3 white carbon black and naphthenic oil, mixing for 8 minutes to obtain a mixed rubber I; (3) 3 triangular bags are arranged on an open mill at the finest roll spacing, and sheets are taken out by 2mm after 3 rolls are rolled to obtain a second rubber compound; (4) And wrapping the mixed rubber II on an open mill with a roll spacing of 1mm, adding sulfur and CZ promoting agents, respectively 3 times on a left cutter and a right cutter, discharging sheets, cooling and standing to obtain the rubber composition. (5) Cleaning the surface of the polyurethane using a brush or a high-speed grinding wheel; (6) Bonding the unvulcanized adhesive material between the cured polyurethane spokes and the unvulcanized shear band rubber to make the bonding neat; (7) The above composition was cured and bonded by heating at 150℃for 1 hour under a pressure of 10MPa, and the properties were tested.
The resulting composite was then subjected to the peel test described in International Standard ISO 8510-1:1990 (F), which was conducted at ambient temperature of 25℃and was conducted using a universal tensile tester, the composite produced in this example exhibited a higher peel strength, which reached 50kN/m.
Comparative example 1
The embodiment of the prior art CN1981011A is selected as a comparison, the peeling strength of the embodiment of CN1981011A is 48kN/m, the bonding strength of the embodiment of the invention can reach 60kN/m and far exceeds that of the embodiment of CN1981011A, toxic materials and VOC which have no hidden danger to the environment in the preparation process are avoided, the waste is safe and environment-friendly, the adhesive material belongs to the environment-friendly adhesive material, the preparation speed is high, the process is simple, and the adhesive material can be applied to non-pneumatic tires and can also be used for bonding other polyurethane and isoprene rubber.
Claims (1)
1. The non-pneumatic tire bonding material comprises the following components in parts by weight:
ENR50 100
Carbon black N660 40
White carbon VN3 15
Anti-aging agent 4020 2
Scorch retarder CTP 1
Naphthenic oil 3
Zinc oxide 5
Stearic acid 3
Sulfur 1.1
Promoter CZ 2
The preparation method and application comprise the following steps: (1) Passing ENR50 on an open mill for 3 times with the lowest roll spacing, and then discharging sheets with the roll spacing of 2 mm; (2) Cutting the ENR50 film obtained in the step (1) into strips, then putting the strips into an internal mixer, mixing for 1 minute, and sequentially putting zinc oxide, stearic acid, an anti-aging agent 4020, a scorch retarder CTP, carbon black N660, white carbon black VN3 and naphthenic oil, and mixing for 8 minutes to obtain a first mixed rubber; (3) 3 triangular bags are arranged on an open mill at the finest roll spacing, and sheets are taken out by 2mm after 3 rolls are rolled to obtain a second rubber compound; (4) Wrapping the second mixed rubber on an open mill with a roll spacing of 1mm, adding sulfur and CZ promoting agents, respectively cutting the left and right cutters for 3 times, discharging sheets, cooling and standing to obtain a rubber composition; (5) Cleaning the surface of the polyurethane using a brush or a high-speed grinding wheel; (6) Bonding the unvulcanized adhesive material between the cured polyurethane spokes and the unvulcanized shear band rubber to make the bonding neat; (7) The above composition was cured and bonded by heating at 150℃for 1 hour under a pressure of 10MPa, and the properties were tested.
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|---|---|---|---|
| CN202110180141.6A CN114907791B (en) | 2021-02-08 | 2021-02-08 | Non-pneumatic tire bonding material and preparation method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110180141.6A CN114907791B (en) | 2021-02-08 | 2021-02-08 | Non-pneumatic tire bonding material and preparation method and application thereof |
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| CN114907791B true CN114907791B (en) | 2024-04-26 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981011A (en) * | 2004-07-07 | 2007-06-13 | 米其林构思与开发公司 | Adhesive system for the direct bonding of a cured polyurethane to crude rubber |
| CN103492514A (en) * | 2011-04-15 | 2014-01-01 | 株式会社普利司通 | Adhesive composition, adhesion method using same, layered body, and tire |
-
2021
- 2021-02-08 CN CN202110180141.6A patent/CN114907791B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1981011A (en) * | 2004-07-07 | 2007-06-13 | 米其林构思与开发公司 | Adhesive system for the direct bonding of a cured polyurethane to crude rubber |
| CN103492514A (en) * | 2011-04-15 | 2014-01-01 | 株式会社普利司通 | Adhesive composition, adhesion method using same, layered body, and tire |
Non-Patent Citations (1)
| Title |
|---|
| 禹茂章等译校.《精细化学品辞典》.化学工业出版社,1989,第637页. * |
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| CN114907791A (en) | 2022-08-16 |
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