CN116813994A - Rubber tube and manufacturing method of rubber tube molding product - Google Patents
Rubber tube and manufacturing method of rubber tube molding product Download PDFInfo
- Publication number
- CN116813994A CN116813994A CN202310669429.9A CN202310669429A CN116813994A CN 116813994 A CN116813994 A CN 116813994A CN 202310669429 A CN202310669429 A CN 202310669429A CN 116813994 A CN116813994 A CN 116813994A
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- Prior art keywords
- rubber
- rubber tube
- resin
- mixing
- ceramic powder
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 111
- 239000005060 rubber Substances 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000465 moulding Methods 0.000 title claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims abstract description 58
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000002156 mixing Methods 0.000 claims abstract description 37
- 239000000919 ceramic Substances 0.000 claims abstract description 32
- 239000000843 powder Substances 0.000 claims abstract description 32
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 15
- 239000004645 polyester resin Substances 0.000 claims abstract description 13
- 229920001225 polyester resin Polymers 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 239000007822 coupling agent Substances 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 6
- 239000004636 vulcanized rubber Substances 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 244000043261 Hevea brasiliensis Species 0.000 description 3
- 238000007385 chemical modification Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007787 solid 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
- C08L21/00—Compositions of unspecified rubbers
-
- 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
- C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
-
- 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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a rubber tube and a manufacturing method of a rubber tube molding product in the technical field of rubber tube preparation, wherein the rubber tube is formed by banburying rubber resin, fluorocarbon resin, polyester resin, ceramic powder and an auxiliary agent, and the manufacturing method of the rubber tube molding product comprises the following steps: the method comprises the steps of mixing fluorocarbon resin and polyester resin together to obtain modified fluorocarbon resin, mixing the modified fluorocarbon resin with ceramic powder to enable the ceramic powder to be uniformly dispersed in the modified fluorocarbon resin, mixing rubber resin, the modified fluorocarbon resin mixed with the ceramic powder and an auxiliary agent together.
Description
Technical Field
The invention relates to the technical field of rubber tube preparation, in particular to a rubber tube and a manufacturing method of a rubber tube forming product.
Background
The rubber is a high-elasticity polymer material with reversible deformation, is elastic at room temperature, can generate larger deformation under the action of small external force, and can recover after the external force is removed. Rubber is a completely amorphous polymer with a low glass transition temperature (Tg), often with a large molecular weight, greater than several hundred thousand. Rubber is classified into natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree, rubber grass, etc.; the synthetic rubber is obtained by polymerizing various monomers. Rubber products are widely used in industry or life.
The rubber tube is a tube for gas transportation and is commonly used for gas welding, gas cutting, various gas shielded welding, plasma arc welding, cutting and the like. Two rubber pipes for welding are adopted, and the maximum use pressure is 1.5MPa according to the national standard blue pipe as an oxygen pipe; the red or black tube is an acetylene tube allowing the use of pressures of 0.5 to i.ompa. The rubber tube has the characteristics of physiological inertia, ultraviolet resistance, ozone resistance, high and low temperature resistance (-80 to 300 ℃), high transparency, strong resilience, compression resistance, permanent deformation resistance, oil resistance, stamping resistance, acid and alkali resistance, wear resistance, flame resistance, voltage resistance, electric conduction and the like.
The rubber tube is used in a severe environment, so that the rubber tube needs to be modified in the preparation process, the rubber tube can adapt to different working environments, the service life of the rubber tube is guaranteed, the conventional rubber modification generally uses a chemical modification method to modify the surface of the rubber, and a chemical modifier is added to the rubber in a plasticating process of the rubber in batches, so that the purpose of modifying the surface of the rubber is achieved, however, the surface chemical modification technology recognized at present only improves the surface of the rubber, a treated surface modification layer is easy to wear, and the service time is limited.
Disclosure of Invention
The invention aims to provide a rubber tube and a manufacturing method of a rubber tube molding product, which are used for solving the problems that the prior rubber modification proposed in the prior art generally adopts a chemical modification method to modify the surface of rubber, and a chemical modifier is added to the rubber in a divided manner in the plasticating process of the rubber so as to achieve the purpose of modifying the surface of the rubber.
In order to achieve the above purpose, the present invention provides the following technical solutions: a rubber tube is made up of rubber resin, fluorocarbon resin, polyester resin, ceramic powder and assistant through banburying.
Preferably, the weight ratio of the rubber resin to the fluorocarbon resin to the polyester resin to the ceramic powder to the auxiliary agent is 1-3:0.3-0.9:0.3-0.9:0.5-1.5:0.1-0.3.
Preferably, the ceramic powder is modified by a coupling agent, and the coupling agent is a silane coupling agent.
Preferably, the auxiliary agent is formed by mixing calcium oxide, magnesium oxide, carbon black and a vulcanizing agent.
A method for manufacturing a rubber tube molding product comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together to obtain modified fluorocarbon resin;
s2: mixing the modified fluorocarbon resin with the ceramic powder to uniformly disperse the ceramic powder in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
Preferably, the stirring and mixing rate in the step S1 is 100-300 revolutions per minute, and the stirring and mixing time is 5-10 minutes.
Preferably, the stirring and mixing rate in the step S2 is 200-350 revolutions per minute, and the stirring and mixing time is 7-12 minutes.
Preferably, the extruder in the step S5 is a screw extruder.
Compared with the prior art, the invention has the beneficial effects that: according to the rubber tube and the manufacturing method of the rubber tube forming product, the fluorocarbon is used for modifying the rubber, fluorocarbon resin is directly mixed with the rubber resin, the rubber is deeply modified, the surface of the rubber is modified, the rubber tube can obtain long-acting surface activity, thermal stability and chemical stability, and the service life of the rubber tube is effectively guaranteed.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, 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.
The invention provides a rubber tube, which is prepared by modifying rubber through fluorocarbon, mixing fluorocarbon resin with rubber resin directly, deeply modifying rubber, modifying the surface of rubber, and not only modifying the surface of rubber, so that the rubber tube can obtain long-acting surface activity, thermal stability and chemical stability, effectively guaranteeing the service life of the rubber tube, the rubber tube is prepared by banburying rubber resin, fluorocarbon resin, polyester resin, ceramic powder and auxiliary agent according to the weight ratio of 1-3:0.3-0.9:0.3-0.9:0.5-1.5:0.1-0.3, the ceramic powder is modified by a coupling agent, the coupling agent is a silane coupling agent, the auxiliary agent is prepared by mixing calcium oxide, magnesium oxide, carbon black and a vulcanizing agent, modifying the rubber tube by adding fluorocarbon into rubber material, the fluorocarbon has extremely high surface activity, thermal stability, chemical stability, oleophobic and hydrophobic properties, the fluorocarbon also shows the functions of low surface energy, no solid particles, self-repairing and improving the microhardness of the rubber surface, the fluorocarbon is used for modifying the rubber tube, so that the functions of surface activity, thermal stability and chemical stability of the rubber tube are improved, the rubber tube can not be decomposed at the temperature of-200 ℃ to 450 ℃, the instant temperature resistance can reach 700 ℃, the service life of the rubber tube is effectively ensured, the surface activity of the rubber tube can be stably and effectively exerted in special application systems such as acid, alkali, strong oxidation medium and the like, the rubber can not react or decompose with the system, the abrasion of rubber can be reduced, the lubricating property of the rubber and metal can be improved, the strength and hardness of the rubber can be improved, the service life of the rubber tube is effectively ensured, meanwhile, the ceramic powder is also added into the rubber material, the ceramic powder is used for enhancing the flame retardance of the rubber pipeline and enhancing the friction coefficient, the ageing resistance and the weather resistance of the rubber pipe.
The invention also provides a method for manufacturing the rubber tube molding, which comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together at the speed of 100-300 rpm according to the weight ratio of 0.3-0.9:0.3-0.9, wherein the mixing time is 5-10 minutes, so as to obtain modified fluorocarbon resin;
s2: stirring and mixing the modified fluorocarbon resin and the ceramic powder together at a speed of 200-350 revolutions per minute for 7-12 minutes, so that the ceramic powder is uniformly dispersed in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
Example 1
The manufacturing method of the rubber tube molding product comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together at the speed of 100-300 rpm according to the weight ratio of 0.3-0.9:0.3-0.9, wherein the mixing time is 5-10 minutes, so as to obtain modified fluorocarbon resin;
s2: stirring and mixing the modified fluorocarbon resin and the ceramic powder together at a speed of 200-350 revolutions per minute for 7-12 minutes, so that the ceramic powder is uniformly dispersed in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
Example 2
The manufacturing method of the rubber tube molding product comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together at the speed of 100-300 rpm according to the weight ratio of 0.3-0.9:0.3-0.9, wherein the mixing time is 5-10 minutes, so as to obtain modified fluorocarbon resin;
s2: stirring and mixing the modified fluorocarbon resin and the ceramic powder together at a speed of 200-350 revolutions per minute for 7-12 minutes, so that the ceramic powder is uniformly dispersed in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
Example 3
The manufacturing method of the rubber tube molding product comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together at the speed of 100-300 rpm according to the weight ratio of 0.3-0.9:0.3-0.9, wherein the mixing time is 5-10 minutes, so as to obtain modified fluorocarbon resin;
s2: stirring and mixing the modified fluorocarbon resin and the ceramic powder together at a speed of 200-350 revolutions per minute for 7-12 minutes, so that the ceramic powder is uniformly dispersed in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
Although the invention has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. A rubber tube, characterized in that: the rubber tube is formed by banburying rubber resin, fluorocarbon resin, polyester resin, ceramic powder and an auxiliary agent.
2. A rubber hose according to claim 1, wherein: the weight ratio of the rubber resin to the fluorocarbon resin to the polyester resin to the ceramic powder to the auxiliary agent is 1-3:0.3-0.9:0.3-0.9:0.5-1.5:0.1-0.3.
3. A rubber hose according to claim 2, wherein: the ceramic powder is modified by a coupling agent, and the coupling agent is a silane coupling agent.
4. A rubber hose according to claim 3, wherein: the auxiliary agent is formed by mixing calcium oxide, magnesium oxide, carbon black and a vulcanizing agent.
5. A method for producing a rubber tube molded article as defined in claim 4, wherein: the manufacturing method of the rubber tube molding product comprises the following steps:
s1: stirring and mixing fluorocarbon resin and polyester resin together to obtain modified fluorocarbon resin;
s2: mixing the modified fluorocarbon resin with the ceramic powder to uniformly disperse the ceramic powder in the modified fluorocarbon resin;
s3: mixing rubber resin, modified fluorocarbon resin mixed with ceramic powder and auxiliary agent together to obtain a mixture;
s4: placing the mixture into an internal mixer for banburying, and continuously adding a vulcanizing agent to decompose the mixture into rubber;
s5: extruding the vulcanized rubber on an extruder to form a rubber tube, and cooling and shaping.
6. The method for producing a rubber tube molded article according to claim 5, wherein: the stirring and mixing speed in the step S1 is 100-300 revolutions per minute, and the stirring and mixing time is 5-10 minutes.
7. The method for producing a rubber tube molded article according to claim 6, wherein: the stirring and mixing speed in the step S2 is 200-350 revolutions per minute, and the stirring and mixing time is 7-12 minutes.
8. The method for producing a rubber tube molded article according to claim 7, wherein: the extruder in the step S5 is a screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310669429.9A CN116813994A (en) | 2023-06-07 | 2023-06-07 | Rubber tube and manufacturing method of rubber tube molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310669429.9A CN116813994A (en) | 2023-06-07 | 2023-06-07 | Rubber tube and manufacturing method of rubber tube molding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116813994A true CN116813994A (en) | 2023-09-29 |
Family
ID=88111945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310669429.9A Pending CN116813994A (en) | 2023-06-07 | 2023-06-07 | Rubber tube and manufacturing method of rubber tube molding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116813994A (en) |
-
2023
- 2023-06-07 CN CN202310669429.9A patent/CN116813994A/en active Pending
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