CN117624794A - All-weather semi-hot-melt tire formula and process - Google Patents
All-weather semi-hot-melt tire formula and process Download PDFInfo
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- CN117624794A CN117624794A CN202311507596.XA CN202311507596A CN117624794A CN 117624794 A CN117624794 A CN 117624794A CN 202311507596 A CN202311507596 A CN 202311507596A CN 117624794 A CN117624794 A CN 117624794A
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- 239000012943 hotmelt Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 14
- 238000004073 vulcanization Methods 0.000 claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 13
- 239000004014 plasticizer Substances 0.000 claims abstract description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002994 raw material 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
- IUJLOAKJZQBENM-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)-2-methylpropan-2-amine Chemical compound C1=CC=C2SC(SNC(C)(C)C)=NC2=C1 IUJLOAKJZQBENM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 27
- 239000005060 rubber Substances 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 15
- 238000002156 mixing Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 11
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical group C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 claims description 10
- ZNRLMGFXSPUZNR-UHFFFAOYSA-N 2,2,4-trimethyl-1h-quinoline Chemical compound C1=CC=C2C(C)=CC(C)(C)NC2=C1 ZNRLMGFXSPUZNR-UHFFFAOYSA-N 0.000 claims description 10
- 244000043261 Hevea brasiliensis Species 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 229920005549 butyl rubber Polymers 0.000 claims description 10
- 229920003052 natural elastomer Polymers 0.000 claims description 10
- 229920001194 natural rubber Polymers 0.000 claims description 10
- 229920003051 synthetic elastomer Polymers 0.000 claims description 10
- 239000005061 synthetic rubber Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- ZZMVLMVFYMGSMY-UHFFFAOYSA-N 4-n-(4-methylpentan-2-yl)-1-n-phenylbenzene-1,4-diamine Chemical compound C1=CC(NC(C)CC(C)C)=CC=C1NC1=CC=CC=C1 ZZMVLMVFYMGSMY-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004753 textile Substances 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical group [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The invention provides an all-weather semi-hot-melt tire formula and a process, and relates to the field of tire formulas. The formula and the process based on the all-weather semi-hot-melt tire comprise the following steps of: 76 parts of filler: 19-20 parts of plasticizer: 2-3 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of sulfur vulcanizing agent: 0.5 parts of an accelerator: 0.5 part. The content of the aging agent in the tire is increased to improve the oxidation resistance and ozone resistance of the tire, the durability and the crack resistance of the tire can be improved by using higher-quality raw materials and precisely adjusting the proportion of each component in the formula, and the crack resistance of the tire can be improved by adopting a low-temperature vulcanization process.
Description
Technical Field
The invention relates to the field of tire formulas, in particular to an all-weather semi-hot-melt tire formula and a process.
Background
The full-hot-melting high-performance tire refers to a tire which is melted into a gel state after the temperature of the tread is increased, and the tire enhances the adhesion with the ground, thereby improving the over-bending limit of the vehicle. However, all-hot-melt tires are generally green tires, are used more on racing vehicles, are very poor in grip before they are free of hot tires because of the relatively smooth tread, are unsuitable for long-term driving, and are relatively expensive. The semi-hot-melt high-performance tire is characterized in that chemical materials such as Kevlar fiber (low in density, high in strength, good in toughness, high-temperature resistant and non-conductive) are added when the tire is manufactured, and on the basis of certain hot-melt characteristics, the tire has stronger grip through design of patterns and drainage grooves, and also has excellent drainage performance, compared with a full-hot-melt high-performance tire, the cost performance is very high, but the problem of cracking can occur under the condition of long-time placement of the existing tire, and the running safety can be influenced by cracks even though the tire is less in abrasion.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides an all-weather semi-hot melt tire formula and a process, and solves the problem of cracking.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: an all-weather semi-hot melt tire formulation comprising:
rubber: 76 parts of filler: 19-20 parts of plasticizer: 2-3 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of vulcanizing agent: 0.5 parts of an accelerator: 0.5 part.
Preferably, the rubber is divided into synthetic rubber and natural rubber, the synthetic rubber is butyl rubber, the ratio of the butyl rubber to the natural rubber is 8:2, the filler is 15% of carbon black and 5% of silica, the plasticizer is 6PPD and TMQ, and the plasticizer is 2-mercaptobenzothiazole, the aging agent is 6PPD, the vulcanizing agent is sulfur, the accelerator is zinc sulfate, and the chemical structure of TMQ is that:
2,2,4-Trimethyl-1,2-dihydroquinoline
the chemical structure of the 6 PPD:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine。
3. an all-weather semi-hot melt tire process as in claim 1, wherein:
s1, preparing raw materials of the tire, and mixing the raw materials according to corresponding proportions by using a mixer to manufacture a rubber mixture;
s2, preheating the mixed rubber to about 60 ℃, setting the roller gap, speed and temperature of a rolling mill to be the required thickness, cutting by using a template to ensure the accurate size and shape of each piece, and coating an adhesive between the steel wire band layer and the textile ply;
s3, strictly controlling the temperature and the humidity of a tire building area to ensure that the rubber component is not vulcanized or aged prematurely, and ensuring the accurate alignment of all parts by using laser lamp irradiation;
s4, vulcanizing the tire, preheating a vulcanization mold to 150 ℃, and keeping the temperature to 140-160 ℃ and the pressure to 1500-3500 kPa;
s5, checking the size, appearance and uniformity of the tire by using a magnifying glass, a measuring ruler and other tools, and checking whether the gravity center of the tire is consistent with the geometric center by using a laser indicator and a sensor;
s6, checking by using X-ray equipment.
Preferably, the temperature of the mixing in S1 is between 100 ℃ and 160 ℃, and the mixing time is 5min-20min.
Preferably, the temperature in S3 is 20 ℃ to 25 ℃ and the humidity is 40% to 60%.
Preferably, the specific steps of vulcanization in S4 are:
A. putting the unvulcanized tire after the tire building into a vulcanizing mold, wherein the internal shape of the mold is matched with the shape of the final tire;
B. the mold is heated using steam or other heating medium to heat the green tire and initiate the curing reaction.
C. During vulcanization, the mold interior applies pressure to the green tire, typically between 10MPa and 20MPa, to ensure that the tire is in close fit with the mold interior and to form the desired shape and texture.
D. After the vulcanization is completed, the mold is cooled and the tire is cooled.
E. After cooling, the tire is removed from the mold.
Preferably, the maintaining time of the applied pressure in the step C is 10min-1h.
Preferably, the cooling in step D is cooling with cooling water.
(III) beneficial effects
The invention provides an all-weather semi-hot-melt tire formula and a process. The beneficial effects are as follows:
the content of the aging agent in the tire is increased to improve the oxidation resistance and ozone resistance of the tire, the durability and the crack resistance of the tire can be improved by using higher-quality raw materials and precisely adjusting the proportion of each component in the formula, and the crack resistance of the tire can be improved by adopting a low-temperature vulcanization process.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
the embodiment of the invention provides an all-weather semi-hot-melt tire formula, which comprises rubber: 76 parts of filler: 19 parts of plasticizer: 3 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of vulcanizing agent: 0.5 parts of an accelerator: 0.5 part of rubber which is divided into synthetic rubber and natural rubber, wherein butyl rubber is used as the synthetic rubber, the ratio of the butyl rubber to the natural rubber is 8:2, 15% of carbon black and 5% of silica are used as fillers, 6PPD and TMQ are used as plasticizers, one part of each of the fillers is 2-mercaptobenzothiazole, 6PPD is used as an aging agent, sulfur is used as a vulcanizing agent, zinc sulfate is used as an accelerating agent, and the chemical structure of TMQ is as follows:
2,2,4-Trimethyl-1,2-dihydroquinoline
chemical structure of 6 PPD:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine。
an all-weather semi-hot-melt tire process comprises the following steps:
s1, preparing raw materials of the tire, and mixing the raw materials according to corresponding proportions by using a mixer to manufacture a rubber mixture, wherein the mixing temperature in S1 is 100-160 ℃, and the mixing time is 5-20 min.
S2, preheating the mixed rubber to about 60 ℃, setting the roller gap, speed and temperature of a rolling mill to be the required thickness, cutting by using a template to ensure the accurate size and shape of each piece, and coating an adhesive between the steel wire band layer and the textile ply.
S3, strictly controlling the temperature and the humidity of the tire building area to ensure that the rubber component is not vulcanized or aged prematurely, and ensuring the accurate alignment of all parts by using laser lamp irradiation.
S4, vulcanizing the tire, preheating a vulcanizing mold to 150 ℃, keeping the temperature to 140-160 ℃ and the pressure to 1500-3500 kPa, wherein the vulcanizing mold in S4 comprises the specific steps that A, the unvulcanized tire with the built tire is placed into the vulcanizing mold, the internal shape of the mold is matched with the shape of the final tire, B, steam or other heating media are used for heating the mold, thereby heating the green tire and starting the vulcanizing reaction, C, in the vulcanizing process, the pressure is applied to the green tire inside the mold, usually between 10MPa and 20MPa, so as to ensure that the tire is tightly attached to the inside of the mold and forms the required shape and texture, the maintaining time of the applied pressure is 10min-1h, D, after the vulcanizing is finished, the mold is cooled, the tire is cooled, the cooling process adopts cooling water cooling, the shape of the tire is fixed, the structural stability of the tire is improved, and E, and the tire is taken out of the mold after the cooling is finished.
S5, checking the size, appearance and uniformity of the tire by using a magnifying glass, a measuring ruler and other tools, checking whether the center of gravity of the tire is consistent with the geometric center by using a laser indicator and a sensor, wherein the temperature is 20-25 ℃ and the humidity is 40-60%, the rubber component is possibly too dry due to the too low humidity, the adhesion problem is caused, and the too high humidity can introduce excessive moisture between the components, which can cause problems in the subsequent vulcanization process.
S6, checking by using X-ray equipment.
Embodiment two:
the embodiment of the invention provides an all-weather semi-hot-melt tire formula, which comprises rubber: 76 parts of filler: 20 parts of plasticizer: 2 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of vulcanizing agent: 0.5 parts of an accelerator: 0.5 part of rubber which is divided into synthetic rubber and natural rubber, wherein butyl rubber is used as the synthetic rubber, the ratio of the butyl rubber to the natural rubber is 8:2, 15% of carbon black and 5% of silica are used as fillers, 6PPD and TMQ are used as plasticizers, one part of each of the fillers is 2-mercaptobenzothiazole, 6PPD is used as an aging agent, sulfur is used as a vulcanizing agent, zinc sulfate is used as an accelerating agent, and the chemical structure of TMQ is as follows:
2,2,4-Trimethyl-1,2-dihydroquinoline
chemical structure of 6 PPD:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine。
an all-weather semi-hot-melt tire process comprises the following steps:
s1, preparing raw materials of the tire, and mixing the raw materials according to corresponding proportions by using a mixer to manufacture a rubber mixture, wherein the mixing temperature in S1 is 100-160 ℃, and the mixing time is 5-20 min.
S2, preheating the mixed rubber to about 60 ℃, setting the roller gap, speed and temperature of a rolling mill to be the required thickness, cutting by using a template to ensure the accurate size and shape of each piece, and coating an adhesive between the steel wire band layer and the textile ply.
S3, strictly controlling the temperature and the humidity of the tire building area to ensure that the rubber component is not vulcanized or aged prematurely, and ensuring the accurate alignment of all parts by using laser lamp irradiation.
S4, vulcanizing the tire, preheating a vulcanizing mold to 150 ℃, keeping the temperature to 140-160 ℃ and the pressure to 1500-3500 kPa, wherein the vulcanizing mold in S4 comprises the specific steps that A, the unvulcanized tire with the built tire is placed into the vulcanizing mold, the internal shape of the mold is matched with the shape of the final tire, B, steam or other heating media are used for heating the mold, thereby heating the green tire and starting the vulcanizing reaction, C, in the vulcanizing process, the pressure is applied to the green tire inside the mold, usually between 10MPa and 20MPa, so as to ensure that the tire is tightly attached to the inside of the mold and forms the required shape and texture, the maintaining time of the applied pressure is 10min-1h, D, after the vulcanizing is finished, the mold is cooled, the tire is cooled, the cooling process adopts cooling water cooling, the shape of the tire is fixed, the structural stability of the tire is improved, and E, and the tire is taken out of the mold after the cooling is finished.
S5, checking the size, appearance and uniformity of the tire by using a magnifying glass, a measuring ruler and other tools, checking whether the center of gravity of the tire is consistent with the geometric center by using a laser indicator and a sensor, wherein the temperature is 20-25 ℃ and the humidity is 40-60%, the rubber component is possibly too dry due to the too low humidity, the adhesion problem is caused, and the too high humidity can introduce excessive moisture between the components, which can cause problems in the subsequent vulcanization process.
S6, checking by using X-ray equipment.
Embodiment III:
the embodiment of the invention provides an all-weather semi-hot-melt tire formula, which comprises rubber: 76 parts of filler: 19.5 parts of plasticizer: 2.5 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of vulcanizing agent: 0.5 parts of an accelerator: 0.5 part of rubber which is divided into synthetic rubber and natural rubber, wherein butyl rubber is used as the synthetic rubber, the ratio of the butyl rubber to the natural rubber is 8:2, 15% of carbon black and 5% of silica are used as fillers, 6PPD and TMQ are used as plasticizers, one part of each of the fillers is 2-mercaptobenzothiazole, 6PPD is used as an aging agent, sulfur is used as a vulcanizing agent, zinc sulfate is used as an accelerating agent, and the chemical structure of TMQ is as follows:
2,2,4-Trimethyl-1,2-dihydroquinoline
chemical structure of 6 PPD:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine。
an all-weather semi-hot-melt tire process comprises the following steps:
s1, preparing raw materials of the tire, and mixing the raw materials according to corresponding proportions by using a mixer to manufacture a rubber mixture, wherein the mixing temperature in S1 is 100-160 ℃, and the mixing time is 5-20 min.
S2, preheating the mixed rubber to about 60 ℃, setting the roller gap, speed and temperature of a rolling mill to be the required thickness, cutting by using a template to ensure the accurate size and shape of each piece, and coating an adhesive between the steel wire band layer and the textile ply.
S3, strictly controlling the temperature and the humidity of the tire building area to ensure that the rubber component is not vulcanized or aged prematurely, and ensuring the accurate alignment of all parts by using laser lamp irradiation.
S4, vulcanizing the tire, preheating a vulcanizing mold to 150 ℃, keeping the temperature to 140-160 ℃ and the pressure to 1500-3500 kPa, wherein the vulcanizing mold in S4 comprises the specific steps that A, the unvulcanized tire with the built tire is placed into the vulcanizing mold, the internal shape of the mold is matched with the shape of the final tire, B, steam or other heating media are used for heating the mold, thereby heating the green tire and starting the vulcanizing reaction, C, in the vulcanizing process, the pressure is applied to the green tire inside the mold, usually between 10MPa and 20MPa, so as to ensure that the tire is tightly attached to the inside of the mold and forms the required shape and texture, the maintaining time of the applied pressure is 10min-1h, D, after the vulcanizing is finished, the mold is cooled, the tire is cooled, the cooling process adopts cooling water cooling, the shape of the tire is fixed, the structural stability of the tire is improved, and E, and the tire is taken out of the mold after the cooling is finished.
S5, checking the size, appearance and uniformity of the tire by using a magnifying glass, a measuring ruler and other tools, checking whether the center of gravity of the tire is consistent with the geometric center by using a laser indicator and a sensor, wherein the temperature is 20-25 ℃ and the humidity is 40-60%, the rubber component is possibly too dry due to the too low humidity, the adhesion problem is caused, and the too high humidity can introduce excessive moisture between the components, which can cause problems in the subsequent vulcanization process.
S6, checking by using X-ray equipment.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An all-weather semi-hot melt tire formulation comprising: rubber: 76 parts of filler: 19-20 parts of plasticizer: 2-3 parts of sulfur: 1.5 parts of accelerator: 0.5 part of TBBS and an aging agent: 2 parts of vulcanizing agent: 0.5 parts of an accelerator: 0.5 part.
2. An all-weather semi-hot melt tire formulation as in claim 1, wherein: the rubber is divided into synthetic rubber and natural rubber, the synthetic rubber is butyl rubber, the ratio of the butyl rubber to the natural rubber is 8:2, the filler is 15% of carbon black to 5% of silica, the plasticizer is 6PPD and TMQ, and the plasticizer is 2-mercaptobenzothiazole, the aging agent is 6PPD, the vulcanizing agent is sulfur, the accelerator is zinc sulfate, and the chemical structure of TMQ is that:
2,2,4-Trimethyl-1,2-dihydroquinoline
the chemical structure of the 6 PPD:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine。
3. an all-weather semi-hot melt tire process as in claim 1, wherein:
s1, preparing raw materials of the tire, and mixing the raw materials according to corresponding proportions by using a mixer to manufacture a rubber mixture;
s2, preheating the mixed rubber to about 60 ℃, setting the roller gap, speed and temperature of a rolling mill to be the required thickness, cutting by using a template to ensure the accurate size and shape of each piece, and coating an adhesive between the steel wire band layer and the textile ply;
s3, strictly controlling the temperature and the humidity of the tire building area, and ensuring the accurate alignment of all parts by using laser lamp irradiation;
s4, vulcanizing the tire, preheating a vulcanization mold to 150 ℃, and keeping the temperature to 140-160 ℃ and the pressure to 1500-3500 kPa;
s5, checking the size, appearance and uniformity of the tire by using a magnifying glass, a measuring ruler and other tools, and checking whether the gravity center of the tire is consistent with the geometric center by using a laser indicator and a sensor;
s6, checking by using X-ray equipment.
4. An all-weather semi-hot melt tire process as in claim 3, wherein: the temperature of the mixing in the step S1 is between 100 ℃ and 160 ℃, and the mixing time is 5min-20min.
5. An all-weather semi-hot melt tire process as in claim 3, wherein: the temperature in S3 is 20 ℃ to 25 ℃ and the humidity is 40% to 60%.
6. An all-weather semi-hot melt tire process as in claim 3, wherein: the specific steps of vulcanization in S4 are as follows:
A. putting the unvulcanized tire after the tire building into a vulcanizing mold, wherein the internal shape of the mold is matched with the shape of the final tire;
B. heating the mold with steam or other heating medium to heat the green tire and initiate the vulcanization reaction;
C. during the vulcanization process, the inside of the mold applies a pressure to the green tyre, typically between 10MPa and 20MPa, to ensure a tight fit of the tyre to the inside of the mold and to form the desired shape and texture;
D. after vulcanization is finished, the mold is cooled, and the tire is cooled;
E. after cooling, the tire is removed from the mold.
7. The all-weather semi-hot melt tire process of claim 6, wherein: the maintaining time of the applied pressure in the step C is 10min-1h.
8. An all-weather semi-hot melt tire process as in claim 3, wherein: the cooling in the step D adopts cooling water for cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311507596.XA CN117624794A (en) | 2023-11-14 | 2023-11-14 | All-weather semi-hot-melt tire formula and process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311507596.XA CN117624794A (en) | 2023-11-14 | 2023-11-14 | All-weather semi-hot-melt tire formula and process |
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| Publication Number | Publication Date |
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| CN117624794A true CN117624794A (en) | 2024-03-01 |
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|---|---|---|---|
| CN202311507596.XA Pending CN117624794A (en) | 2023-11-14 | 2023-11-14 | All-weather semi-hot-melt tire formula and process |
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| Country | Link |
|---|---|
| CN (1) | CN117624794A (en) |
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2023
- 2023-11-14 CN CN202311507596.XA patent/CN117624794A/en active Pending
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