CN113861577A - Production process capable of automatically repairing butyl rubber inner tube - Google Patents
Production process capable of automatically repairing butyl rubber inner tube Download PDFInfo
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- CN113861577A CN113861577A CN202111133764.4A CN202111133764A CN113861577A CN 113861577 A CN113861577 A CN 113861577A CN 202111133764 A CN202111133764 A CN 202111133764A CN 113861577 A CN113861577 A CN 113861577A
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- Prior art keywords
- rubber
- inner tube
- butyl rubber
- parts
- carbon
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- 229920005549 butyl rubber Polymers 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 21
- -1 nitrogen organic compound Chemical class 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 8
- 229920005557 bromobutyl Polymers 0.000 claims abstract description 6
- 230000003993 interaction Effects 0.000 claims abstract description 6
- 229920001971 elastomer Polymers 0.000 claims description 47
- 239000005060 rubber Substances 0.000 claims description 47
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 24
- 239000006229 carbon black Substances 0.000 claims description 18
- 239000005662 Paraffin oil Substances 0.000 claims description 12
- 235000021355 Stearic acid Nutrition 0.000 claims description 12
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 12
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920005989 resin Polymers 0.000 claims description 12
- 239000008117 stearic acid Substances 0.000 claims description 12
- 239000011787 zinc oxide Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 9
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- 125000001246 bromo group Chemical group Br* 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 4
- 230000035876 healing Effects 0.000 claims description 4
- 230000008707 rearrangement Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 230000003078 antioxidant effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000007670 refining Methods 0.000 abstract description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052794 bromium Inorganic materials 0.000 abstract description 2
- 239000003292 glue Substances 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VWUCIBOKNZGWLX-UHFFFAOYSA-N 1h-imidazol-1-ium;bromide Chemical group [Br-].C1=C[NH+]=CN1 VWUCIBOKNZGWLX-UHFFFAOYSA-N 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/24—Endless tubes, e.g. inner tubes for pneumatic tyres
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
Abstract
The invention discloses a production process capable of automatically repairing a butyl rubber inner tube, which comprises the following steps of: banburying, namely banburying the raw materials in a banbury mixer; s2: mixing, namely conveying the internally mixed polymer obtained in the S1 to a roller space with a narrow roller spacing in a belt mode; s3: filtering the glue; s4: finally, putting the master batch compound obtained in the step S3 into an internal mixer again, and adding 20-30 parts of carbon/nitrogen organic compound to fully mix and internally mix the master batch compound with the internal mixer; according to the invention, the carbon/nitrogen organic compound is added in the final refining process of the butyl rubber inner tube production process, and the system has an ionic interaction with bromine radicals to enable the sheared brominated butyl rubber to be self-healed, so that a completely cut sample can keep the original characteristics after the self-healing process is applied, the self-healing capability of the butyl rubber inner tube is improved, and the repairing speed is accelerated.
Description
Technical Field
The invention relates to the field of preparation of rubber products, in particular to a production process capable of automatically repairing a butyl rubber inner tube.
Background
Butyl rubber is one of the synthetic rubbers, synthesized from isobutylene and a small amount of isoprene. The finished product is not easy to leak, is generally used for manufacturing tires, and has good chemical stability and thermal stability, and most prominently air tightness and water tightness. The permeability to air is only 1/7 of natural rubber and 1/5 of styrene-butadiene rubber, while the permeability to steam is 1/200 of natural rubber and 1/140 of styrene-butadiene rubber, so that the rubber is mainly used for manufacturing various rubber products such as various inner tubes, steam tubes, water tires, dam bottoms, gaskets and the like.
The butyl rubber inner tube has the advantages of long service life of the tire crown, low rolling resistance, tear resistance, heat resistance, weather resistance, self-oxidation resistance and excellent environment adverse resistance, meanwhile, the butyl rubber inner tube has good air tightness, heat resistance, elasticity, aging resistance and small permanent deformation, and the rubber self-closing performance of the butyl rubber inner tube is good and high air tightness.
The existing butyl rubber inner tube can deform and wear when being used for a long time, although rubber has certain self-repairing capability, the repairing capability is limited, the shape of the inner tube can be repaired in an auxiliary manner by means of related equipment, and the operation is complex, so that the production process capable of automatically repairing the butyl rubber inner tube is required to be provided.
Disclosure of Invention
The invention aims to provide a production process capable of automatically repairing a butyl rubber inner tube, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a production process of a butyl rubber inner tube capable of being automatically repaired is disclosed, and S1: banburying, namely banburying raw materials: 100-120 parts of butyl powerful rubber, 10-20 parts of vulcanized resin and 5-10 parts of paraffin oil are placed into an internal mixer, the temperature of a rotor and a machine body of the internal mixer is set to be 90 ℃, two-stage internal mixing is carried out, the polymer needs to be filtered in the first-stage internal mixing, and 3-5 parts of zinc oxide and 3-5 parts of stearic acid are added into the second-stage internal mixing to be mixed with the polymer;
s2: mixing, conveying the banburying polymer obtained in S1 to a roller with a narrow roller spacing in a belt manner, adding an antioxidant, an improver and 20-40 parts of carbon black into the initial roller at 35-55 ℃, adding silicone oil after mixing the carbon black, gradually increasing the roller spacing, cooling the roller, and finally adding a vulcanizing agent;
s3: filtering rubber, namely putting the polymer obtained after mixing in the step S2 into a cold feed type rubber filter of which the model is 150 for filtering, filtering out foreign impurities, carbon black agglomerates and undispersed rubber particles, and fully cooling the material after filtering out the impurities;
s4: finally, the master batch compound obtained in the step S3 is put into an internal mixer again, 20-30 parts of carbon/nitrogen organic compound are added to be fully mixed and internally mixed with the master batch compound, the internal mixing time is controlled to be 60-80 minutes, and after the carbon/nitrogen organic compound is added, the system can have the ionic interaction with bromine groups to enable the cut brominated butyl rubber to be self-healed;
s5: extruding, namely selecting a hot feeding screw extruder to extrude the finally-refined rubber material, maintaining a certain accumulation rubber on a feeding roller during extruding, and adjusting the size of a feeding rubber sheet according to the size of an inner tube required by actual production, wherein the temperature of the feeding rubber sheet is constant at 80-90 ℃;
s6: an air valve is arranged, and the cooled rubber material is provided with the air valve on the extrusion line;
s7: jointing, namely jointing the rubber material by using a jointing machine;
s8: freezing and forming, namely performing quick cooling on the crown part at the butt joint, and mechanically stretching and shaping the green tire tube;
s9: vulcanizing and inflating, namely inflating the molded tire cylinder by introducing hot air or steam, and heating the tire inside, wherein the common inflation pressure is 7-8kg/cm 2;
s10: and (7) packaging and warehousing.
Preferably, the formula proportion 1 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 100 |
Cured resin | / | / | 10 |
Paraffin oil | / | / | 5 |
Zinc oxide | / | / | 3 |
Stearic acid | / | / | 3 |
Carbon black | / | / | 20 |
Carbon/nitrogen organic compounds | / | / | 20 |
Preferably, the formula ratio 2 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 110 |
Cured resin | / | / | 15 |
Paraffin oil | / | / | 8 |
Zinc oxide | / | / | 4 |
Stearic acid | / | / | 4 |
Carbon black | / | / | 30 |
Carbon/nitrogen organic compounds | / | / | 25 |
Preferably, the formula proportion 3 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 120 |
Cured resin | / | / | 20 |
Paraffin oil | / | / | 10 |
Zinc oxide | / | / | 5 |
Stearic acid | / | / | 5 |
Carbon black | / | / | 40 |
Carbon/nitrogen organic compounds | / | / | 30 |
Preferably, in the banburying process of S1, the discharge outlet temperature of the mixer needs to be set to 100 ℃ to eliminate the sticking during the discharge of rubber.
Preferably, the carbon/nitrogen organic compound added in the S4 refining process can convert the bromine function of the butyl rubber into ionic imidazole brominated groups to form a reversible ionic association compound with physical crosslinking capacity, and the reversibility of the ionic association promotes the healing process through temperature or stress induced rearrangement, so that a completely cut sample can keep the original characteristics after the self-healing process is applied.
The invention has the technical effects and advantages that: a production process of a butyl rubber inner tube capable of being automatically repaired is characterized in that a carbon/nitrogen organic compound is added in a final refining process of the production process of the butyl rubber inner tube, a system has an ionic interaction with bromine radicals, and the sheared brominated butyl rubber can be self-repaired.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a production process capable of automatically repairing a butyl rubber inner tube, which comprises the following steps of S1: banburying, namely banburying raw materials: 100-120 parts of butyl powerful rubber, 10-20 parts of vulcanized resin and 5-10 parts of paraffin oil are placed into an internal mixer, the temperature of a rotor and a machine body of the internal mixer is set to be 90 ℃, two-stage internal mixing is carried out, the polymer needs to be filtered in the first-stage internal mixing, and 3-5 parts of zinc oxide and 3-5 parts of stearic acid are added into the second-stage internal mixing to be mixed with the polymer;
s2: mixing, conveying the banburying polymer obtained in S1 to a roller with a narrow roller spacing in a belt manner, adding an antioxidant, an improver and 20-40 parts of carbon black into the initial roller at 35-55 ℃, adding silicone oil after mixing the carbon black, gradually increasing the roller spacing, cooling the roller, and finally adding a vulcanizing agent;
s3: filtering rubber, namely putting the polymer obtained after mixing in the step S2 into a cold feed type rubber filter of which the model is 150 for filtering, filtering out foreign impurities, carbon black agglomerates and undispersed rubber particles, and fully cooling the material after filtering out the impurities;
s4: finally, the master batch compound obtained in the step S3 is put into an internal mixer again, 20-30 parts of carbon/nitrogen organic compound are added to be fully mixed and internally mixed with the master batch compound, the internal mixing time is controlled to be 60-80 minutes, and after the carbon/nitrogen organic compound is added, the system can have the ionic interaction with bromine groups to enable the cut brominated butyl rubber to be self-healed;
s5: extruding, namely selecting a hot feeding screw extruder to extrude the finally-refined rubber material, maintaining a certain accumulation rubber on a feeding roller during extruding, and adjusting the size of a feeding rubber sheet according to the size of an inner tube required by actual production, wherein the temperature of the feeding rubber sheet is constant at 80-90 ℃;
s6: an air valve is arranged, and the cooled rubber material is provided with the air valve on the extrusion line;
s7: jointing, namely jointing the rubber material by using a jointing machine;
s8: freezing and forming, namely performing quick cooling on the crown part at the butt joint, and mechanically stretching and shaping the green tire tube;
s9: vulcanizing and inflating, namely inflating the molded tire cylinder by introducing hot air or steam, and heating the tire inside, wherein the common inflation pressure is 7-8kg/cm 2;
s10: and (7) packaging and warehousing.
In the first embodiment, the formula proportion 1 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 100 |
Cured resin | / | / | 10 |
Paraffin oil | / | / | 5 |
Zinc oxide | / | / | 3 |
Stearic acid | / | / | 3 |
Carbon black | / | / | 20 |
Carbon/nitrogen organic compounds | / | / | 20 |
In the second embodiment, the formula ratio 2 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 110 |
Cured resin | / | / | 15 |
Paraffin oil | / | / | 8 |
Zinc oxide | / | / | 4 |
Stearic acid | / | / | 4 |
Carbon black | / | / | 30 |
Carbon/blood pressure deviceNitrogen organic compound | / | / | 25 |
In the third embodiment, the formula proportion 3 of the main raw materials of the butyl rubber inner tube is as follows:
raw materials | Variety of raw material | Specific gravity of | Parts by weight |
Butyl reinforced rubber | / | / | 120 |
Cured resin | / | / | 20 |
Paraffin oil | / | / | 10 |
Zinc oxide | / | / | 5 |
Stearic acid | / | / | 5 |
Carbon black | / | / | 40 |
Carbon/nitrogen organic compounds | / | / | 30 |
In the fourth embodiment, in the banburying process of S1, the temperature of the discharge port of the mixer needs to be set to 100 ℃ to eliminate the adhesion during rubber discharge, the carbon/nitrogen organic compound added in the S4 can convert the bromine function of the butyl rubber into ionic imidazole brominated groups to form a reversible ionic association compound with physical crosslinking capability, and the reversibility of the ionic association promotes the healing process through temperature or stress induced rearrangement, so that a completely cut sample can maintain its original characteristics after the self-healing process is applied.
In conclusion, the production process of the butyl rubber inner tube capable of automatically repairing provided by the invention has the advantages that the carbon/nitrogen organic compound is added in the final refining process of the production process of the butyl rubber inner tube, the system has an ionic interaction with bromine groups to enable the cut brominated butyl rubber to be self-healed, the bromine function of the butyl rubber is converted into ionic imidazole bromide groups to form reversible ionic association compounds with physical crosslinking capacity, the reversibility of ionic association promotes the healing process through temperature or stress induced rearrangement, so that a completely cut sample can keep the original characteristics after the self-healing process is applied, the self-repairing capacity of the butyl rubber inner tube is improved, and the repairing speed is accelerated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description of the specification.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A production process capable of automatically repairing a butyl rubber inner tube is characterized by comprising the following steps:
s1: banburying, namely banburying raw materials: 100-120 parts of butyl powerful rubber, 10-20 parts of vulcanized resin and 5-10 parts of paraffin oil are placed into an internal mixer, the temperature of a rotor and a machine body of the internal mixer is set to be 90 ℃, two-stage internal mixing is carried out, the polymer needs to be filtered in the first-stage internal mixing, and 3-5 parts of zinc oxide and 3-5 parts of stearic acid are added into the second-stage internal mixing to be mixed with the polymer;
s2: mixing, conveying the banburying polymer obtained in S1 to a roller with a narrow roller spacing in a belt manner, adding an antioxidant, an improver and 20-40 parts of carbon black into the initial roller at 35-55 ℃, adding silicone oil after mixing the carbon black, gradually increasing the roller spacing, cooling the roller, and finally adding a vulcanizing agent;
s3: filtering rubber, namely putting the polymer obtained after mixing in the step S2 into a cold feed type rubber filter of which the model is 150 for filtering, filtering out foreign impurities, carbon black agglomerates and undispersed rubber particles, and fully cooling the material after filtering out the impurities;
s4: finally, the master batch compound obtained in the step S3 is put into an internal mixer again, 20-30 parts of carbon/nitrogen organic compound are added to be fully mixed and internally mixed with the master batch compound, the internal mixing time is controlled to be 60-80 minutes, and after the carbon/nitrogen organic compound is added, the system can have the ionic interaction with bromine groups to enable the cut brominated butyl rubber to be self-healed;
s5: extruding, namely selecting a hot feeding screw extruder to extrude the finally-refined rubber material, maintaining a certain accumulation rubber on a feeding roller during extruding, and adjusting the size of a feeding rubber sheet according to the size of an inner tube required by actual production, wherein the temperature of the feeding rubber sheet is constant at 80-90 ℃;
s6: an air valve is arranged, and the cooled rubber material is provided with the air valve on the extrusion line;
s7: jointing, namely jointing the rubber material by using a jointing machine;
s8: freezing and forming, namely performing quick cooling on the crown part at the butt joint, and mechanically stretching and shaping the green tire tube;
s9: vulcanizing and inflating, namely inflating the molded tire cylinder by introducing hot air or steam, and heating the tire inside, wherein the common inflation pressure is 7-8kg/cm 2;
s10: and (7) packaging and warehousing.
2. The production process of the self-repairing butyl rubber inner tube as claimed in claim 1, wherein the formula ratio of the main raw materials of the butyl rubber inner tube is 1:
。
3. The production process of the self-repairing butyl rubber inner tube as claimed in claim 1, wherein the formula ratio 2 of the main raw materials of the butyl rubber inner tube is as follows:
。
4. The production process of the self-repairing butyl rubber inner tube as claimed in claim 1, wherein the formula ratio of the main raw materials of the butyl rubber inner tube is 3:
。
5. The process of claim 1, wherein the discharge port of the mixer is set at 100 ℃ during the mixing process of S1 to eliminate the adhesion during rubber discharge.
6. The process according to claim 1, wherein the carbon/nitrogen organic compound added in the S4 is finally refined to convert the bromine function of the butyl rubber into ionic imidazole brominated groups to form a reversible ionic association compound with physical crosslinking capability, and the reversibility of the ionic association promotes the healing process through temperature or stress induced rearrangement, so that a completely cut sample can maintain the original characteristics after the self-healing process is applied.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114874512A (en) * | 2022-06-14 | 2022-08-09 | 江苏顺隆轮胎有限公司 | High-elasticity self-repairing inner tube material and preparation method thereof |
CN114874512B (en) * | 2022-06-14 | 2024-05-17 | 迪美威(江苏)运动器材有限公司 | High-elasticity self-repairing inner tube material and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0359087A (en) * | 1989-07-28 | 1991-03-14 | C I Kasei Co Ltd | Tacky, water-swelling material for stopping water |
CN107057136A (en) * | 2017-05-26 | 2017-08-18 | 成都微熵科技有限公司 | A kind of anti-skidding unvulcanized rubber material of self-healing property and preparation method |
-
2021
- 2021-09-27 CN CN202111133764.4A patent/CN113861577A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0359087A (en) * | 1989-07-28 | 1991-03-14 | C I Kasei Co Ltd | Tacky, water-swelling material for stopping water |
CN107057136A (en) * | 2017-05-26 | 2017-08-18 | 成都微熵科技有限公司 | A kind of anti-skidding unvulcanized rubber material of self-healing property and preparation method |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114874512A (en) * | 2022-06-14 | 2022-08-09 | 江苏顺隆轮胎有限公司 | High-elasticity self-repairing inner tube material and preparation method thereof |
CN114874512B (en) * | 2022-06-14 | 2024-05-17 | 迪美威(江苏)运动器材有限公司 | High-elasticity self-repairing inner tube material and preparation method thereof |
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Application publication date: 20211231 |