CN112503269A - Fuel rubber tube and preparation method thereof - Google Patents

Fuel rubber tube and preparation method thereof Download PDF

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Publication number
CN112503269A
CN112503269A CN202010774134.4A CN202010774134A CN112503269A CN 112503269 A CN112503269 A CN 112503269A CN 202010774134 A CN202010774134 A CN 202010774134A CN 112503269 A CN112503269 A CN 112503269A
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CN
China
Prior art keywords
rubber
methyl vinyl
vinyl silicone
protective layer
silicone rubber
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010774134.4A
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Chinese (zh)
Inventor
张旭东
汪西龙
汪君燕
俞颖
吴志敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Xianju Yonggu Rubber Technology Co Ltd
Original Assignee
Zhejiang Xianju Yonggu Rubber Technology Co Ltd
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Application filed by Zhejiang Xianju Yonggu Rubber Technology Co Ltd filed Critical Zhejiang Xianju Yonggu Rubber Technology Co Ltd
Priority to CN202010774134.4A priority Critical patent/CN112503269A/en
Publication of CN112503269A publication Critical patent/CN112503269A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00—Hoses, i.e. flexible pipes
    • F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/10—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements not embedded in the wall
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • 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
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • 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
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention discloses a fuel rubber tube and a preparation method thereof in the technical field of rubber materials, wherein the fuel rubber tube comprises the following steps: an oil-resistant inner sheath layer; the high-resilience middle protective layer is wound on the outer wall of the oil-resistant inner protective layer in a spring shape; acid and alkali-resistance outer jacket, the cladding of acid and alkali-resistance outer jacket is in on the outer wall of sheath in the high resilience, the shaping of inner sheath: placing the fluorosilicone rubber in an extruder for extrusion molding; banburying of the middle protective layer: the methyl vinyl silicone rubber is added into an internal mixer for internal mixing, and the internal mixing is continued after calcium carbonate is added after the internal mixing is carried out for a period of time.

Description

Fuel rubber tube and preparation method thereof
Technical Field
The invention relates to the technical field of rubber materials, in particular to a fuel rubber tube and a preparation method thereof.
Background
The rubber is a high-elasticity polymer material with reversible deformation, is rich in elasticity at room temperature, can generate large deformation under the action of small external force, and can recover the original shape after the external force is removed. The rubber belongs to a completely amorphous polymer, and has low glass transition temperature and large molecular weight which is more than hundreds of thousands. The rubber is divided into natural rubber and synthetic rubber. The natural rubber is prepared by extracting colloid from plants such as rubber tree and rubber grass and processing; synthetic rubbers are obtained by polymerization of various monomers. Rubber products are widely used in industry or in various aspects of life.
The automobile industry is rapidly developed, the requirement of people on the cost performance of automobiles is higher and higher, the vigorous development of the automobile industry brings unprecedented development to the rubber industry, and the fuel rubber tube of an automobile engine is usually made of ethylene propylene diene monomer and is required to have the characteristics of high temperature resistance, oil resistance, aging resistance, pressure resistance, wear resistance, cold resistance and the like.
The existing fuel rubber tube can basically achieve the performances of high temperature resistance, oil resistance, aging resistance, pressure resistance, wear resistance, cold resistance and the like, but the working environment of the fuel rubber tube is dire, and needs stronger acid and alkali resistance, tensile strength and resilience, but the existing fuel rubber tube has poorer performances in these aspects and seriously affects the quality of automobiles.
Disclosure of Invention
The invention aims to provide a fuel rubber tube and a preparation method thereof, and aims to solve the problems that the existing fuel rubber tube in the background art has poor performance in the aspects and seriously affects the quality of an automobile.
In order to achieve the purpose, the invention provides the following technical scheme: a fuel rubber hose comprising:
an oil-resistant inner sheath layer;
the high-resilience middle protective layer is wound on the outer wall of the oil-resistant inner protective layer in a spring shape;
the acid and alkali resistant outer protection layer is coated on the outer wall of the high-resilience middle protection layer.
Preferably, the oil-resistant inner sheath layer is made of fluorosilicone rubber.
Preferably, the high resilience middle sheath comprises:
spring steel;
and the methyl vinyl silicone rubber layer is coated on the outer wall of the spring steel.
Preferably, the methyl vinyl silicone rubber layer is formed by banburying methyl vinyl silicone rubber and calcium carbonate.
Preferably, the acid and alkali resistant outer protective layer is formed by banburying ethylene propylene diene monomer, organic silicon, quartz powder, magnesium oxide and zinc methacrylate.
A preparation method of a fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing for a period of time, and continuing internal mixing;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing for a period of time, and continuing internal mixing;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
Preferably, the banburying time of the methyl vinyl silicone rubber in the step S2 is 3-5 minutes, and the banburying time after adding the calcium carbonate is 7-10 minutes.
Preferably, the mixing time of the ethylene propylene diene monomer in the step S4 is 5 to 8 minutes, and the mixing time after the organosilicon, the quartz powder, the magnesium oxide and the zinc methacrylate are added is 12 to 15 minutes.
Compared with the prior art, the invention has the beneficial effects that: the tensile strength of the whole oil pipe is improved through the spirally arranged methyl vinyl silicone rubber layer, the high resilience is achieved, the resilience of the oil pipe is improved, and acid and alkali resistance, mechanical strength, chemical resistance, flame retardance and heat resistance of the whole oil pipe are improved through modification of the ethylene propylene diene monomer through organic silicon, quartz powder, magnesium oxide and methacrylic acid.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a methyl vinyl silicone rubber layer according to the present invention;
FIG. 3 is a flow chart of the preparation method of the present invention.
In the figure: 100 oil-resistant inner protecting layers, 200 high-resilience middle protecting layers, 210 spring steel, 220 methyl vinyl silicone rubber layers and 300 acid and alkali resistant outer protecting layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 fuel rubber tube and a preparation method thereof, which can effectively improve the acid and alkali resistance of an oil tube, improve the tensile strength of the oil tube, have stronger rebound resilience and improve the rebound resilience of the oil tube, and refer to fig. 1, and the fuel rubber tube comprises the following components: 100 parts of an oil-resistant inner protective layer, 200 parts of a high-resilience middle protective layer and 300 parts of an acid-resistant and alkali-resistant outer protective layer;
referring to fig. 1 again, the oil-resistant inner sheath 100 is made of fluorosilicone rubber, and has high heat resistance, cold resistance and oil resistance, so that the heat resistance, the cold resistance and the oil resistance of the oil pipe are effectively improved;
referring to fig. 1-2, the high resilience middle sheath 200 is wound on the outer wall of the oil-proof inner sheath 100 in a spring shape, and the high resilience middle sheath 200 includes:
spring steel 210;
the methyl vinyl silicone rubber layer 220 is formed by internally mixing methyl vinyl silicone rubber and calcium carbonate, the spring steel 210 coated with the methyl vinyl silicone rubber layer 220 is spirally wound on the outer wall of the oil-resistant inner sheath layer 100, the methyl vinyl silicone rubber has heat aging resistance and high-temperature compression deformation resistance, the calcium carbonate has strong extensibility, tensile strength and tearing strength, the calcium carbonate is added into the methyl vinyl silicone rubber to improve the extensibility, the tensile strength and the tearing strength of the methyl vinyl silicone rubber, so that the heat aging resistance, the high-temperature compression deformation resistance, the extensibility, the tensile strength and the tearing strength of the oil pipe are improved, and the spiral spring steel 210 is coated on the oil-resistant inner sheath layer 100, so that the tensile strength can be effectively improved, and the spring steel has strong resilience, the resilience of the oil pipe is improved;
referring to fig. 1-2 again, the acid and alkali resistant outer protective layer 300 is coated on the outer wall of the high resilience middle protective layer 200, the acid and alkali resistant outer protective layer 300 is formed by banburying ethylene propylene diene monomer, organic silicon, quartz powder, magnesium oxide and zinc methacrylate, the ethylene propylene diene monomer is modified by the organic silicon to improve the acid and alkali resistance of the ethylene propylene diene monomer, the quartz powder has strong chemical resistance, heat resistance and mechanical property, the magnesium oxide has high fire-resistant insulating property, the zinc methacrylate is a heat-resistant filler, and the organic silicon, the quartz powder, the magnesium oxide and the zinc methacrylate are added into the ethylene propylene diene monomer, so that the acid and alkali resistance, the mechanical strength, the chemical resistance, the flame retardance and the heat resistance of the oil pipe can be effectively improved.
The preparation method of the fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing is carried out for 3-5 minutes, and continuing internal mixing for 7-10 minutes;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing for 5-8 minutes, and continuing internal mixing for 12-15 minutes;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
Example 1
The preparation method of the fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing is carried out for 3 minutes, and continuing internal mixing for 7 minutes;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing for 5 minutes, and continuing internal mixing for 12 minutes;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
Example 2
The preparation method of the fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing for 4 minutes, and continuing internal mixing for 8 minutes;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing for 7 minutes, and continuing internal mixing for 13 minutes;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
Example 3
The preparation method of the fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing for 5 minutes, and continuing internal mixing for 10 minutes;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing is carried out for 8 minutes, and continuing internal mixing for 15 minutes;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
In conclusion, the tensile strength of the whole oil pipe is improved through the spirally arranged methyl vinyl silicone rubber layer, the oil pipe has strong rebound resilience, the rebound resilience of the oil pipe is improved, and acid and alkali resistance, mechanical strength, chemical resistance, flame retardance and heat resistance of the whole oil pipe are improved through modification of ethylene propylene diene monomer through organic silicon, quartz powder, magnesium oxide and methacrylic acid.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (8)

1. A fuel rubber tube which is characterized in that: the method comprises the following steps:
an oil resistant inner sheath (100);
the high-resilience middle sheath (200) is wound on the outer wall of the oil-resistant inner sheath (100) in a spring shape;
the high-resilience protective layer comprises an acid and alkali resistant outer protective layer (300), wherein the acid and alkali resistant outer protective layer (300) is coated on the outer wall of the high-resilience protective layer (200).
2. The fuel rubber hose according to claim 1, characterized in that: the oil-resistant inner protection layer (100) is made of fluorosilicone rubber.
3. The fuel rubber hose according to claim 1, characterized in that: the high resilience middle sheath (200) comprises:
spring steel (210);
the spring steel is characterized by comprising a methyl vinyl silicone rubber layer (220), wherein the methyl vinyl silicone rubber layer (220) is coated on the outer wall of the spring steel (210).
4. The fuel rubber hose according to claim 3, wherein: the methyl vinyl silicone rubber layer (220) is formed by banburying methyl vinyl silicone rubber and calcium carbonate.
5. The fuel rubber hose according to claim 1, characterized in that: the acid and alkali resistant outer protection layer (300) is formed by banburying ethylene propylene diene monomer, organic silicon, quartz powder, magnesium oxide and zinc methacrylate.
6. A method for preparing a fuel rubber hose according to any one of claims 1 to 5, wherein: the preparation method of the fuel rubber tube comprises the following steps:
s1: forming an inner protective layer: placing the fluorosilicone rubber in an extruder for extrusion molding to prepare a fluorosilicone rubber tube;
s2: banburying of the middle protective layer: adding the methyl vinyl silicone rubber into an internal mixer for internal mixing, adding calcium carbonate after internal mixing for a period of time, and continuing internal mixing;
s3: wrapping: extruding and wrapping the internally mixed methyl vinyl silicone rubber on the outer wall of the spring steel, and wrapping the spring steel coated with the methyl vinyl silicone rubber on the outer wall of the fluorosilicone rubber tube in a spring shape;
s4: internal mixing of the outer protective layer: adding ethylene propylene diene monomer into an internal mixer for internal mixing, adding organic silicon, quartz powder, magnesium oxide and zinc methacrylate after internal mixing for a period of time, and continuing internal mixing;
s5: extruding: and extruding and wrapping the internally mixed ethylene propylene diene monomer rubber on the outer wall of the spring-shaped methyl vinyl silicone rubber through an extruder.
7. The preparation method of the fuel rubber tube according to claim 6, wherein the preparation method comprises the following steps: the banburying time of the methyl vinyl silicone rubber in the step S2 is 3-5 minutes, and the banburying time after the calcium carbonate is added is 7-10 minutes.
8. The preparation method of the fuel rubber tube according to claim 6, wherein the preparation method comprises the following steps: the banburying time of the ethylene propylene diene monomer in the step S4 is 5-8 minutes, and the banburying time after the organosilicon, the quartz powder, the magnesium oxide and the zinc methacrylate are added is 12-15 minutes.
CN202010774134.4A 2020-08-04 2020-08-04 Fuel rubber tube and preparation method thereof Pending CN112503269A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330017A (en) * 1977-04-22 1982-05-18 Nissan Motor Company, Limited Rubber hose for automotive fuel line
CN104948851A (en) * 2015-06-17 2015-09-30 容秀柳 Natural gas delivery pipe
CN105650367A (en) * 2014-12-07 2016-06-08 黄华 High-strength steel wire frame polyethylene pipe
CN106641494A (en) * 2016-12-31 2017-05-10 临海市奇升橡塑制品有限公司 Automobile composite pipe provided with fluorine-containing outer layer and silicon-containing inner layer
CN106928557A (en) * 2017-03-28 2017-07-07 广州市鑫橡极科技有限公司 A kind of modified EPT rubber and preparation method thereof
CN108610526A (en) * 2018-06-20 2018-10-02 廖秋芒 A kind of fuel rubber pipe and preparation method thereof
CN211118075U (en) * 2019-09-25 2020-07-28 烟台泰悦流体科技有限公司 Central drainage pipe assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4330017A (en) * 1977-04-22 1982-05-18 Nissan Motor Company, Limited Rubber hose for automotive fuel line
CN105650367A (en) * 2014-12-07 2016-06-08 黄华 High-strength steel wire frame polyethylene pipe
CN104948851A (en) * 2015-06-17 2015-09-30 容秀柳 Natural gas delivery pipe
CN106641494A (en) * 2016-12-31 2017-05-10 临海市奇升橡塑制品有限公司 Automobile composite pipe provided with fluorine-containing outer layer and silicon-containing inner layer
CN106928557A (en) * 2017-03-28 2017-07-07 广州市鑫橡极科技有限公司 A kind of modified EPT rubber and preparation method thereof
CN108610526A (en) * 2018-06-20 2018-10-02 廖秋芒 A kind of fuel rubber pipe and preparation method thereof
CN211118075U (en) * 2019-09-25 2020-07-28 烟台泰悦流体科技有限公司 Central drainage pipe assembly

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
橡胶工业原材料与装备简明手册编审委员会: "《橡胶工业原材料与装备简明手册 原材料与工艺耗材分册》", 31 January 2019, 北京理工大学出版社 *
许晓慧: "《盐化工生产技术》", 31 January 2014, 中央广播电视大学出版社 *

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Application publication date: 20210316