CN108758115A - A kind of preparation method of engine fuel pipe - Google Patents
A kind of preparation method of engine fuel pipe Download PDFInfo
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- CN108758115A CN108758115A CN201810675788.4A CN201810675788A CN108758115A CN 108758115 A CN108758115 A CN 108758115A CN 201810675788 A CN201810675788 A CN 201810675788A CN 108758115 A CN108758115 A CN 108758115A
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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
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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- 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
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- 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
- C08K3/02—Elements
- C08K3/06—Sulfur
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- 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
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- 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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- 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
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- 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 Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of engine fuel pipes and preparation method thereof, including sebific duct ontology, the sebific duct ontology includes the die layer coated successively from inside to outside, fabric reinforcement, mesoglea and outer glue-line, the fabric reinforcement is that aromatic polyester fiber and nylon fiber twisting are combined the twisting rope to be formed, the mesoglea is middle glue bond layer, and the die layer and outer glue-line are formed by elastic rubber.Preparation method includes die layer preparation, fabric reinforcement braiding, mesoglea preparation, outer glue-line preparation, vulcanizing treatment and product inspection step.The engine fuel pipe of the present invention has good oil resistivity, high temperature resistant, hypotonicity and low temperature resistant, while compression strength is high, ageing-resistant, durable.
Description
Technical field
The invention belongs to rubber manufacturing technology fields, and in particular to a kind of preparation method of engine fuel pipe.
Background technology
Engine fuel pipe is one of important composition component of engine, the high-low temperature resistant of engine fuel pipe, oil resistivity,
The performance indicators such as ageing-resistant, resistance to pressure are directly related to the normal operation of engine.Due to the fuel injection system of engine
Oil temperature and burning indoor temperature are relatively high, and temperature oily when duty of engine difference is also different, and engine power is bigger,
Oil temperature is higher.If when engine fuel pipe there are oil resistivitys poor, non-refractory aging, the problems such as resistance to pressure is small, just it is easy to
Phenomena such as cracking, aging, breakage being generated after the operation of jolting of automobile throughout the year.The rubber tube fuel oil easy to leak of crack failure, such as
When fruit has slight leakage, there will be Idling wobble phenomenons for engine in the process of moving for automobile, must tear open in time in this case
Rubber tube is unloaded and replaces, if ignored or undiscovered, leakage severe patient will cause high temp oil-fired to eject, high temp oil-fired spray
It penetrates fire hazardous and burns to engine or even vehicle, endanger personal safety.
Therefore, developing a kind of there is oil resistant, high-low temperature resistant, high pressure resistant, hypotonicity engine fuel pipe just to seem
It is very necessary.
In view of the above-mentioned problems, being retrieved to the prior art, disclosed in Chinese invention Publication No. CN1690497
A kind of pressure resistant rubber hose and its manufacturing method.It includes die layer, enhancement layer and outer glue-line, and this method is to squeeze out die layer
Afterwards, i.e., freezing processing is carried out to die layer, which carries out in a freezing tank, and freezing tank is using dry ice or liquid nitrogen
Low-temperature receiver, temperature control is -5 DEG C~-50 DEG C, preferably -10 DEG C~-25 DEG C in freezing tank.After die layer transfers braider, pass through
Control braiding forward speed controls die layer pipe surface temperature, and braiding forward speed control is 0.5~3m/s, and preferably 1.0
~2m/s.The rubber hose made from the method, braiding enhancement layer is close, uniform, decorative pattern is straight, and the compressive resistance of finished product is high.
The patent mainly enhances the compressive resistance of rubber hose, but rubber hose oil resistant, resistance to height cannot be met simultaneously by still remaining
Temperature, hypotonicity and low temperature resistant requirement.
And a kind of automobile engine fuel rubber pipe is disclosed in Chinese invention patent Publication No. CN106543683A
And preparation method thereof, it is prepared from the following raw materials in parts by weight：30-60 parts of chlorohydrin rubber, chlorinated polyethylene rubber 25-50
Part, 2-7 parts of polyamide wax micropowder, 4-8 parts of vinyl polysiloxane, 5-10 parts of n-butyl sebacate, inositol hexaphosphate 3-8
Part, 5-11 parts of carboxylation carbon nanotube, 3-8 parts of Cosan, 2-5 parts of nekal, 5-12 parts of calcium carbonate, polyglycereol castor-oil plant
3-9 parts of alcohol ester, 3-6 parts of zinc methacrylate, 2-5 parts of aluminium hydroxide, 7-13 parts of white carbon, 0.6-2 parts of butanethiol tin, hexafluoro
0.5-1.6 parts of acetylacetone,2,4-pentanedione, 3-8 parts of nano-silicon nitride, 6-12 parts of plasticizer, 2.5-8 parts of anti-aging agent.Compared with prior art,
Automobile engine engine fuel pipe oil resistivity in the present invention is good, the service life is longer.It is soft that the patent mainly enhances rubber
In terms of the oil resistivity of pipe, but rubber hose pressure resistance, high temperature resistant, hypotonicity and low temperature resistant cannot be met simultaneously by still remaining
It is required that.
Based on this, it is necessary to a kind of preparation method of engine fuel pipe is provided, it is of the existing technology to solve the problems, such as.
Invention content
The present invention provides a kind of preparation methods of engine fuel pipe, solve the deficiency in above-mentioned background technology, described
Engine fuel pipe has good oil resistivity, high temperature resistant, a hypotonicity and low temperature resistant, at the same compression strength it is high, it is ageing-resistant, pass through
It is durable long.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of preparation method of engine fuel pipe, including sebific duct ontology, the sebific duct ontology include from inside to outside successively
Die layer, fabric reinforcement, mesoglea and the outer glue-line of cladding, the fabric reinforcement are that aromatic polyester fiber and nylon are fine
Dimension twisting is combined the twisting rope to be formed, and the mesoglea is middle glue bond layer, and the die layer and outer glue-line are by elastic rubber
Glue is formed, and the preparation method of the fuel pipe is as follows：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 10-15min, waits for that smelting temperature reaches 120-140 DEG C, dumping is subsequently placed into open mill and is cooled down
Slitting is filtered with 40 × 60 mesh steel meshes, is weighed, and is put into open mill and is added sulfuric peroxide agent, and cooling is kept flat, using extruder, and
Die layer is continuously squeezed out at a temperature of 105-115 DEG C, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 120-160 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 150-200 DEG C of drying box and is dried, cures, is obtained containing middle glue
The pipe of layer；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
110-120 DEG C of mixing 3 minutes in mill is kneaded 20 points at a temperature of 50-60 DEG C of sulphur and accelerating agent open mill are added after parking
Filtering squeezes out bottom sheet after clock, and is coated on mesoglea, obtains semi-finished product rubber pipe；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 20-40Mpa, stops 8min, observation does not leak, is indeformable, and qualification is packaged into
Library.
Preferably, the fabric reinforcement is the twisting formed together with aromatic polyester fiber is twisted with nylon fiber
Rope, wherein the aromatic polyester fiber accounts for the 50% of fabric reinforcement weight, the nylon fiber accounts for fabric reinforcement weight
50%.
Preferably, the fabric reinforcement is formed by the twisting rope by weaving.
Preferably, the twist coefficient of the twisting rope is 5-8.
Preferably, the mesoglea is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Preferably, the die layer is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Preferably, the outer glue-line is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Preferably, in step (2), the fabric reinforcement weaving method：First twisting rope is woven into along clockwise direction
First enhancement layer, and the first enhancement layer and die layer length direction angle are 50 °, then negative direction is woven into the second reinforcement again
Layer, and the second enhancement layer and die layer length direction angle are 50 °.
Preferably, in step (5), the temperature of the vulcanization is 140-160 DEG C, vulcanization time 50-70min.
Compared with prior art, the present invention it has the advantages that：
(1) die layer is used styrene-fourth by the present invention according to the different use environments of outer glue-line in engine fuel pipe
Diene rubber, the oil resistivity, higher resistance to that outer glue-line uses organic silicon rubber, and makes full use of SBR styrene butadiene rubbers fabulous
The characteristics of hot, extremely strong resistance to pressure and permeability bottom and organic silicon rubber have wear resistant corrosion resistant it is excellent in cushion effect and
And anti-aging property is good, and the fuel hose of the fuel oil with interior outer glue-line different performance is formed by compound extruded, from
And ensureing the engine fuel pipe of the present invention has oil resistant, high temperature resistant, low temperature resistant, anti-aging and low permeability excellent simultaneously
Point, while also there is excellent physical mechanical property.
(2) engine fuel pipe of the invention uses the die layer coated successively from inside to outside, fabric reinforcement, mesoglea
It is formed with outer glue-line, the structure being made of in the past die layer, enhancement layer and outer glue-line is different from, in this way by fabric reinforcement
Mesoglea is added between outer glue-line, fabric reinforcement can be made to be combined with outer glue-line even closer, improve engine fuel
Pipe compressive property, and the mesoglea of the present invention uses alkyl phenolic resin and melamine resin, the characteristic with quick-hardening, it can
Keep fabric reinforcement fully hardened, so as to avoid the mutual skidding between fabric reinforcement, enhances the resistance to compression of engine fuel pipe
Intensity, and alkyl phenolic resin and melamine resin have good compatibility between apolar chain, with rubber, so that
Fuel oil die layer, fabric reinforcement and the outer glue-line of the present invention combines physics that is even closer, and then improving engine fuel pipe
Mechanical performance.
(3) fabric reinforcement of the invention is by selection high intensity aromatic polyester fiber and nylon fiber, then twists conjunction
The twisting rope formed together, then twisting rope is woven by interlaced double layer fibre by braider, improve engine
The compressive property of fuel pipe；
(4) temperature of present invention control twisting rope in twisting rope braiding, happens to effectively prevent untwisting, protects
Card twisting rope weave effect, improves the compression strength of engine fuel pipe.
(5) engine fuel pipe of the invention completes die layer, fiber reinforcement according to mode is gradually coated from inside to outside
The advantages of combination of layer, mesoglea and outer glue-line has manufacturing process simple, and production efficiency is high, low manufacture cost.
Description of the drawings
Attached drawing is used for providing further understanding invention, and a part for constitution instruction, the embodiment with invention
It is used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the exploded perspective view of inventive engine fuel pipe；
Fig. 2 be inventive engine fuel pipe fabric reinforcement in twist the structural schematic diagram of rope；
Fig. 3 is cladding schematic diagram of the fabric reinforcement of the present invention in die layer；
In figure label for：1, sebific duct ontology；2, die layer；3, fabric reinforcement；4, mesoglea；5, outer glue-line；10, fragrant
Adoption ester fiber；20, nylon fiber；30, twisting rope；100, the first enhancement layer；200, the second enhancement layer.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Clear, complete description.Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art obtained institute without making creative work
There are other embodiments, belongs to the range that the present invention is protected.
Embodiment 1
The preparation method of the engine fuel pipe of the present embodiment, including sebific duct ontology 1, the sebific duct ontology 1 includes by interior
To die layer 2, fabric reinforcement 3, mesoglea 4 and the outer glue-line 5 coated successively outside, the fabric reinforcement 3 is fragrant adoption
Ester fiber 10 and the twisting of nylon fiber 20 are combined the twisting rope 30 to be formed, and the mesoglea 4 is middle glue bond layer, the pipe
Sandwich layer 2 and outer glue-line 5 are formed by elastic rubber, and the preparation method of the fuel pipe is as follows：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 10min, waits for that smelting temperature reaches 120 DEG C, dumping is subsequently placed into open mill and carries out cooling slitting, uses
40 × 60 mesh steel meshes filter, and weigh, and are put into open mill and add sulfuric peroxide agent, cooling is kept flat, using extruder, and at 105 DEG C
At a temperature of continuously squeeze out die layer, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 120 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 150 DEG C of drying boxes and is dried, cures, is obtained containing mesoglea
Pipe；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
110 DEG C of mixings 3 minutes in mill are kneaded at a temperature of 50 DEG C of sulphur and accelerating agent open mill are added after parking and filter after twenty minutes
Bottom sheet is squeezed out, and is coated on mesoglea, semi-finished product rubber pipe is obtained；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 20Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
Wherein, the fabric reinforcement 3 be formed together with aromatic polyester fiber 10 and nylon fiber 20 are twisted plus
Torsade 30, wherein the aromatic polyester fiber 10 accounts for the 40% of 3 weight of fabric reinforcement, the nylon fiber 20 accounts for fiber and adds
The 60% of 3 weight of strong layer.
Wherein, the fabric reinforcement 3 is formed by the twisting rope 30 by weaving.
Wherein, the twist coefficient of the twisting rope 30 is 5.
Wherein, the mesoglea 4 is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Wherein, the die layer 2 is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Wherein, the outer glue-line 5 is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Wherein, in step (2), 3 weaving method of the fabric reinforcement：First twisting rope 30 is woven into along clockwise direction
First enhancement layer 100, and the first enhancement layer 100 and 2 length direction angle ɑ of die layer are 40 °, then negative direction is woven into the again
Two enhancement layers 200, and the second enhancement layer 200 and 2 length direction angle β of die layer is 40 °.
Wherein, in step (5), the temperature of the vulcanization is 140 DEG C, vulcanization time 50min.
Embodiment 2
The preparation method of the engine fuel pipe of the present embodiment, including sebific duct ontology 1, the sebific duct ontology 1 includes by interior
To die layer 2, fabric reinforcement 3, mesoglea 4 and the outer glue-line 5 coated successively outside, the fabric reinforcement 3 is fragrant adoption
Ester fiber 10 and the twisting of nylon fiber 20 are combined the twisting rope 30 to be formed, and the mesoglea 4 is middle glue bond layer, the pipe
Sandwich layer 2 and outer glue-line 5 are formed by elastic rubber, and the preparation method of the fuel pipe is：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 15min, waits for that smelting temperature reaches 140 DEG C, dumping is subsequently placed into open mill and carries out cooling slitting, uses
40 × 60 mesh steel meshes filter, and weigh, and are put into open mill and add sulfuric peroxide agent, cooling is kept flat, using extruder, and at 115 DEG C
At a temperature of continuously squeeze out die layer, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 160 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 200 DEG C of drying boxes and is dried, cures, is obtained containing mesoglea
Pipe；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
120 DEG C of mixings 3 minutes in mill are kneaded at a temperature of 60 DEG C of sulphur and accelerating agent open mill are added after parking and filter after twenty minutes
Bottom sheet is squeezed out, and is coated on mesoglea, semi-finished product rubber pipe is obtained；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 40Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
Wherein, the fabric reinforcement 3 is that aromatic polyester fiber 10 and nylon fiber 20 twist and be combined to be formed
Twisting rope 30, wherein the aromatic polyester fiber 10 accounts for the 70% of 3 weight of fabric reinforcement, the nylon fiber 20 accounts for fiber
The 30% of 3 weight of enhancement layer.
Wherein, the fabric reinforcement 3 is formed by the twisting rope 30 by weaving.
Wherein, the twist coefficient of the twisting rope 30 is 8.
Wherein, the mesoglea 4 is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Wherein, the die layer 2 is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Wherein, the outer glue-line 5 is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Wherein, in step (2), 3 weaving method of the fabric reinforcement：First twisting rope 30 is woven into along clockwise direction
First enhancement layer 100, and the first enhancement layer 100 and 2 length direction angle ɑ of die layer are 60 °, then negative direction is woven into the again
Two enhancement layers 200, and the second enhancement layer 200 and 2 length direction angle β of die layer is 60 °
Wherein, in step (5), the temperature of the vulcanization is 160 DEG C, vulcanization time 70min.
Embodiment 3
The preparation method of the engine fuel pipe of the present embodiment, including sebific duct ontology 1, the sebific duct ontology 1 includes by interior
To die layer 2, fabric reinforcement 3, mesoglea 4 and the outer glue-line 5 coated successively outside, the fabric reinforcement 3 is fragrant adoption
Ester fiber 10 and the twisting of nylon fiber 20 are combined the twisting rope 30 to be formed, and the mesoglea 4 is middle glue bond layer, the pipe
Sandwich layer 2 and outer glue-line 5 are formed by elastic rubber, and the preparation method of the fuel pipe is：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 12.5min, waits for that smelting temperature reaches 130 DEG C, and dumping is subsequently placed into open mill and carries out cooling slitting,
It is filtered, is weighed with 40 × 60 mesh steel meshes, be put into open mill and add sulfuric peroxide agent, cooling is kept flat, using extruder, and 110
Die layer is continuously squeezed out at a temperature of DEG C, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 140 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 175 DEG C of drying boxes and is dried, cures, is obtained containing mesoglea
Pipe；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
115 DEG C of mixings 3 minutes in mill are kneaded at a temperature of 55 DEG C of sulphur and accelerating agent open mill are added after parking and filter after twenty minutes
Bottom sheet is squeezed out, and is coated on mesoglea, semi-finished product rubber pipe is obtained；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 30Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
Wherein, the fabric reinforcement 3 is that aromatic polyester fiber 10 and nylon fiber 20 twist and be combined to be formed
Twisting rope 30, wherein the aromatic polyester fiber 10 accounts for the 40% of 3 weight of fabric reinforcement, the nylon fiber 20 accounts for fiber
The 50% of 3 weight of enhancement layer.
Wherein, the fabric reinforcement 3 is formed by the twisting rope 30 by weaving.
Wherein, the twist coefficient of the twisting rope 30 is 6.5.
Wherein, the mesoglea 4 is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Wherein, the die layer 2 is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Wherein, the outer glue-line 5 is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Wherein, in step (2), 3 weaving method of the fabric reinforcement：First twisting rope 30 is woven into along clockwise direction
First enhancement layer 100, and the first enhancement layer 100 and 2 length direction angle ɑ of die layer are 50 °, then negative direction is woven into the again
Two enhancement layers 200, and the second enhancement layer 200 and 2 length direction angle β of die layer is 50 °
Wherein, in step (5), the temperature of the vulcanization is 150 DEG C, vulcanization time 50-70min.
Embodiment 4
The preparation method of the engine fuel pipe of the present embodiment, including sebific duct ontology 1, the sebific duct ontology 1 includes by interior
To die layer 2, fabric reinforcement 3, mesoglea 4 and the outer glue-line 5 coated successively outside, the fabric reinforcement 3 is fragrant adoption
Ester fiber 10 and the twisting of nylon fiber 20 are combined the twisting rope 30 to be formed, and the mesoglea 4 is middle glue bond layer, the pipe
Sandwich layer 2 and outer glue-line 5 are formed by elastic rubber, and the preparation method of the fuel pipe is：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 11min, waits for that smelting temperature reaches 125 DEG C, dumping is subsequently placed into open mill and carries out cooling slitting, uses
40 × 60 mesh steel meshes filter, and weigh, and are put into open mill and add sulfuric peroxide agent, cooling is kept flat, using extruder, and at 108 DEG C
At a temperature of continuously squeeze out die layer, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 130 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 160 DEG C of drying boxes and is dried, cures, is obtained containing mesoglea
Pipe；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
112 DEG C of mixings 3 minutes in mill are kneaded at a temperature of 53 DEG C of sulphur and accelerating agent open mill are added after parking and filter after twenty minutes
Bottom sheet is squeezed out, and is coated on mesoglea, semi-finished product rubber pipe is obtained；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 25Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
Wherein, the fabric reinforcement 3 is that aromatic polyester fiber 10 and nylon fiber 20 twist and be combined to be formed
Twisting rope 30, wherein the aromatic polyester fiber 10 accounts for the 40% of 3 weight of fabric reinforcement, the nylon fiber 20 accounts for fiber
The 60% of 3 weight of enhancement layer.
Wherein, the fabric reinforcement 3 is formed by the twisting rope 30 by weaving.
Wherein, the twist coefficient of the twisting rope 30 is 6.
Wherein, the mesoglea 4 is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Wherein, the die layer 2 is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Wherein, the outer glue-line 5 is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Wherein, in step (2), 3 weaving method of the fabric reinforcement：First twisting rope 30 is woven into along clockwise direction
First enhancement layer 100, and the first enhancement layer 100 and 2 length direction angle ɑ of die layer are 45 °, then negative direction is woven into the again
Two enhancement layers 200, and the second enhancement layer 200 and 2 length direction angle β of die layer is 45 °
Wherein, in step (5), the temperature of the vulcanization is 140-160 DEG C, vulcanization time 50-70min.
Embodiment 5
The preparation method of the engine fuel pipe of the present embodiment, including sebific duct ontology 1, the sebific duct ontology 1 includes by interior
To die layer 2, fabric reinforcement 3, mesoglea 4 and the outer glue-line 5 coated successively outside, the fabric reinforcement 3 is fragrant adoption
Ester fiber 10 and the twisting of nylon fiber 20 are combined the twisting rope 30 to be formed, and the mesoglea 4 is middle glue bond layer, the pipe
Sandwich layer 2 and outer glue-line 5 are formed by elastic rubber, and the preparation method of the fuel pipe is：
(1) die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, rush
Pressurization mixing is carried out into agent, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurizations
Mixer carries out mixing 14min, waits for that smelting temperature reaches 135 DEG C, dumping is subsequently placed into open mill and carries out cooling slitting, uses
40 × 60 mesh steel meshes filter, and weigh, and are put into open mill and add sulfuric peroxide agent, cooling is kept flat, using extruder, and at 112 DEG C
At a temperature of continuously squeeze out die layer, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
(2) fabric reinforcement weaves, and uses braider directly to be knit out in the die layer of extrusion with aromatic polyester fibre
Fabric reinforcement of the twisting rope of peacekeeping nylon fiber twisting synthesis as enhancing skeleton, and ensure that the fiber during braiding adds
Strong 150 DEG C of layer temperature, obtains the pipe containing enhancing skeleton；
(3) prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, then
Heating fusing, obtain resin solution, the pipe that then step (2) obtains is impregnated into resin solution, make resin solution be impregnated in
In pipe, then the pipe for being soaked with resin liquid is put into 190 DEG C of drying boxes and is dried, cures, is obtained containing mesoglea
Pipe；
(4) prepared by outer glue-line, and preparation weighs outer glue-line material each component, sulphur will be gone out, each group outside accelerating agent be placed in it is close
118 DEG C of mixings 3 minutes in mill are kneaded at a temperature of 58 DEG C of sulphur and accelerating agent open mill are added after parking and filter after twenty minutes
Bottom sheet is squeezed out, and is coated on mesoglea, semi-finished product rubber pipe is obtained；
(5) semi-finished product rubber pipe made of step (4) is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
(6) semi-finished product rubber pipe ontology is suppressed into 35Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
Wherein, the fabric reinforcement 3 is that aromatic polyester fiber 10 and nylon fiber 20 twist and be combined to be formed
Twisting rope 30, wherein the aromatic polyester fiber 10 accounts for the 55% of 3 weight of fabric reinforcement, the nylon fiber 20 accounts for fiber
The 45% of 3 weight of enhancement layer.
Wherein, the fabric reinforcement 3 is formed by the twisting rope 30 by weaving.
Wherein, the twist coefficient of the twisting rope 30 is 7.
Wherein, the mesoglea 4 is alkyl phenolic resin and melamine resin by weight 3:The middle glue bond layer of 1 compounding.
Wherein, the die layer 2 is SBR styrene butadiene rubbers die layer, by the raw material preparation of following parts by weight
At：
Wherein, the outer glue-line 5 is organic silicon rubber outer glue-line, is formulated by the raw material of following parts by weight：
Wherein, in step (2), 3 weaving method of the fabric reinforcement：First twisting rope 30 is woven into along clockwise direction
First enhancement layer 100, and the first enhancement layer 100 and 2 length direction angle ɑ of die layer are 55 °, then negative direction is woven into the again
Two enhancement layers 200, and the second enhancement layer 200 and 2 length direction angle β of die layer is 55 °
Wherein, in step (5), the temperature of the vulcanization is 155 DEG C, vulcanization time 65min.
Comparative example 1
Using Chinese patent (application number：CN200410017889.0 pressure resistant rubber hose made from the method in).
Comparative example 2
Using Chinese patent (application number：CN201611055364.5 automobile engine engine made from the method in) fires
Oil pipe.
Comparative example 3
In addition to the preparation process of the mesoglea of engine fuel pipe and mesoglea is cancelled, other preparation processes and method
It is consistent with embodiment 1.
Comparative example 4
Except changing aromatic polyester fiber in fabric reinforcement and nylon fiber into polyester fiber and by knitting type shape
Outside at fabric reinforcement, other preparation processes are consistent with embodiment 1 with method.
Experimental example 1
According to《QC/T 745-2006 liquefied petroleum gas automobile rubber pipelines》Standard is by embodiment 1-5 and comparative example 1-4 systems
The rubber tube obtained is tested, and the results are shown in Table 1.
Table 1
As shown in Table 1, the osmotic-pressure-tolerant of inventive engine fuel pipe, tensile strength, elongation at break and wear volume
Be superior to comparative example 1-4, and according to engine fuel pipe made from 3 preparation process of embodiment and material content osmotic-pressure-tolerant,
The performances such as tensile strength, elongation at break and wear volume be better than other embodiment, and by comparative example 3 and comparative example 4 it is found that
Comparative example 3 is due to eliminating mesoglea so that fuel oil die layer, fabric reinforcement and outer glue-line of the invention is tightly combined degree
It dies down, and then influences the physical mechanical property of inventive engine fuel pipe so that the resistance to of inventive engine fuel pipe is oozed
Permeability, tensile strength, elongation at break and wear volume have different degrees of decline；And comparative example 4 is due to by the virtue of high intensity
Fragrant adoption ester fiber and nylon fiber change polyester fiber into, and its mode combined with die layer is become knitting side by weaving
Formula, in this way, the tensile strength of inventive engine fuel pipe, elongation at break decline are allowed for, meanwhile, knitting type to fire
Oil pipe sandwich layer, fabric reinforcement and outer glue-line are tightly combined degree and die down, so that osmotic-pressure-tolerant and wear volume are different
The decline of degree.
Experimental example 2
According to《JIS D2601》Swell increment and durability test are carried out to the rubber tube of embodiment 1-5 and comparative example 1-4,
Specific test result is as shown in table 2.
Table 2
As shown in Table 2, for the rubber tube of the present embodiment compared with the rubber tube of comparative example, swell increment is small, and durability is good, and
By comparative example 3 it is found that eliminating mesoglea so that fuel oil die layer, fabric reinforcement and outer glue-line of the invention is tightly combined
Degree dies down, and the compressive property of such rubber tube weakens, and by comparative example 4 it is found that by the aromatic polyester fiber of high intensity and
Nylon fiber changes polyester fiber into, and its mode combined with die layer is become knitting type by weaving, in this way, allowing for this
The compression strength of invention engine fuel pipe dies down, and the swell increment of rubber tube is caused to become larger.
In conclusion the creativeness of the present invention is concentrated mainly on the following aspects：
(1) die layer is used styrene-fourth by the present invention according to the different use environments of outer glue-line in engine fuel pipe
Diene rubber, the oil resistivity, higher resistance to that outer glue-line uses organic silicon rubber, and makes full use of SBR styrene butadiene rubbers fabulous
The characteristics of hot, extremely strong resistance to pressure and permeability bottom and organic silicon rubber have wear resistant corrosion resistant it is excellent in cushion effect and
And anti-aging property is good, and the fuel hose of the fuel oil with interior outer glue-line different performance is formed by compound extruded, from
And ensureing the engine fuel pipe of the present invention has oil resistant, high temperature resistant, low temperature resistant, anti-aging and low permeability excellent simultaneously
Point, while also there is excellent physical mechanical property.
(2) engine fuel pipe of the invention uses the die layer coated successively from inside to outside, fabric reinforcement, mesoglea
It is formed with outer glue-line, the structure being made of in the past die layer, enhancement layer and outer glue-line is different from, in this way by fabric reinforcement
Mesoglea is added between outer glue-line, fabric reinforcement can be made to be combined with outer glue-line even closer, improve engine fuel
Pipe compressive property, and the mesoglea of the present invention uses alkyl phenolic resin and melamine resin, the characteristic with quick-hardening, it can
Keep fabric reinforcement fully hardened, so as to avoid the mutual skidding between fabric reinforcement, enhances the resistance to compression of engine fuel pipe
Intensity, and alkyl phenolic resin and melamine resin have good compatibility between apolar chain, with rubber, so that
Fuel oil die layer, fabric reinforcement and the outer glue-line of the present invention combines physics that is even closer, and then improving engine fuel pipe
Mechanical performance.
(3) fabric reinforcement of the invention is by selection high intensity aromatic polyester fiber and nylon fiber, then twists conjunction
The twisting rope formed together, then twisting rope is woven by interlaced double layer fibre by braider, improve engine
The compressive property of fuel pipe；
(4) temperature of present invention control twisting rope in twisting rope braiding, happens to effectively prevent untwisting, protects
Card twisting rope weave effect, improves the compression strength of engine fuel pipe.
(5) engine fuel pipe of the invention completes die layer, fiber reinforcement according to mode is gradually coated from inside to outside
The advantages of combination of layer, mesoglea and outer glue-line has manufacturing process simple, and production efficiency is high, low manufacture cost.Above to this
The specific embodiment of invention is described.It is to be appreciated that the present invention is not limited to the above specific embodiments, ability
Field technique personnel can make various deformations or amendments within the scope of the claims, this has no effect in the essence of the present invention
Hold.
Claims (9)
1. a kind of preparation method of engine fuel pipe, including sebific duct ontology, which is characterized in that the sebific duct ontology includes by interior
To die layer, fabric reinforcement, mesoglea and the outer glue-line coated successively outside, the fabric reinforcement is aromatic polyester fiber
It is combined the twisting rope to be formed with nylon fiber twisting, the mesoglea is middle glue bond layer, the die layer and outer glue-line
It is formed by elastic rubber, preparation method is as follows：
（1）Die layer is prepared, by SBR styrene butadiene rubbers, magnesia, palm wax, anti-aging agent TMTD, antiscorching agent, accelerating agent
Pressurization mixing is carried out, then by high abrasion carbon black N330, fast extrusion carbon black N550, stearic acid mixing, is packed into 75 liters of pressurization mixings
Machine carries out mixing 10-15min, waits for that smelting temperature reaches 120-140 DEG C, dumping is subsequently placed into open mill and carries out cooling cut
Item is filtered with 40 × 60 mesh steel meshes, is weighed, and is put into open mill and is added sulfuric peroxide agent, and cooling is kept flat, using extruder, and
Die layer is continuously squeezed out at a temperature of 105-115 DEG C, while detecting using laser diameter measuring instrument the size of the die layer of extrusion automatically；
（2）Fabric reinforcement weaves, use braider directly to be knit out in the die layer of extrusion with aromatic polyester fiber and
Fabric reinforcement of the twisting rope of nylon fiber twisting synthesis as enhancing skeleton, and ensure the fabric reinforcement during braiding
120-160 DEG C of temperature obtains the pipe containing enhancing skeleton；
（3）Prepared by mesoglea, will form the alkyl phenolic resin and melamine resin by weight 3 of mesoglea:1 mixing, reheats
Fusing, obtains resin solution, then step（2）Obtained pipe is impregnated into resin solution, and resin solution is made to be impregnated in pipe
In, then the pipe for being soaked with resin liquid is put into 150-200 DEG C of drying box and is dried, cures, is obtained containing mesoglea
Pipe；
（4）Prepared by outer glue-line, preparation weighs outer glue-line material each component, will go out sulphur, each group outside accelerating agent is placed in mixer
Middle 110-120 DEG C of mixing 3 minutes is kneaded after twenty minutes at a temperature of 50-60 DEG C of sulphur and accelerating agent open mill are added after parking
Filtering squeezes out bottom sheet, and is coated on mesoglea, obtains semi-finished product rubber pipe；
（5）By step（4）Manufactured semi-finished product rubber pipe is carried out continuously vulcanization, obtains semi-finished product rubber pipe ontology；
（6）Semi-finished product rubber pipe ontology is suppressed into 20-40Mpa, stops 8min, observation does not leak, is indeformable, qualified packaging and storage.
2. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the fabric reinforcement is virtue
The twisting rope formed together with fragrant adoption ester fiber is twisted with nylon fiber, wherein the aromatic polyester fiber accounts for fiber reinforcement
The 50% of layer weight, the nylon fiber account for the 50% of fabric reinforcement weight.
3. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the fabric reinforcement is by institute
The twisting rope stated is formed by weaving.
4. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the twisting system of the twisting rope
Number is 5-8.
5. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the mesoglea is alkyl phenol
Urea formaldehyde and melamine resin are by weight 3:The middle glue bond layer of 1 compounding.
6. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the die layer is benzene second
Alkene-butadiene rubber die layer, is formulated by the raw material of following parts by weight：
60 parts of SBR styrene butadiene rubbers；
3.5 parts of magnesia；
3.5 parts of stearic acid；
Palm wax 3；
It is fast to extrude 8.5 parts of carbon black N550；
11.5 parts of high abrasion carbon black N330；
2 parts of peroxide vulcanizing agent；
0.4 part of antiscorching agent；
1.5 parts of anti-aging agent TMTD；
1 part of accelerating agent.
7. the preparation method of engine fuel pipe according to claim 1, which is characterized in that the outer glue-line is organosilicon
Rubber outer glue-line is formulated by the raw material of following parts by weight：
65 parts of organic silicon rubber；
4 parts of calcium hydroxide；
2 parts of dioctyl ester；
3.5 parts of sulphur；
774 7.5 parts of carbon black；
20 parts of carbon black N660；
2 parts of trioctyl trimellitate (TOTM)；
4.5 parts of antimony oxide；
1.5 parts of anti-aging agent RD；
1 part of accelerator CBS.
8. the preparation method of engine fuel pipe according to claim 1, which is characterized in that step（2）In, the fiber
Enhancement layer weaving method：Twisting rope is first woven into the first enhancement layer along clockwise direction, and the first enhancement layer and die layer are long
It is 50 ° to spend angular separation, and then negative direction is woven into the second enhancement layer, and the second enhancement layer and die layer length direction angle again
It is 50 °.
9. the preparation method of engine fuel pipe according to claim 1, which is characterized in that step（5）In, the vulcanization
Temperature be 140-160 DEG C, vulcanization time 50-70min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675788.4A CN108758115A (en) | 2018-06-27 | 2018-06-27 | A kind of preparation method of engine fuel pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810675788.4A CN108758115A (en) | 2018-06-27 | 2018-06-27 | A kind of preparation method of engine fuel pipe |
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ID=63977581
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101000119A (en) * | 2006-01-09 | 2007-07-18 | 青岛三祥科技有限公司 | High-fatigue-resistance hydraulic brake hose and production method thereof |
| CN102040782A (en) * | 2010-12-29 | 2011-05-04 | 青岛三祥科技有限公司 | Power-steering high-pressure hose and production process thereof |
| CN102628530A (en) * | 2012-04-06 | 2012-08-08 | 浙江峻和橡胶科技有限公司 | Engine fuel pipe and production process thereof |
| CN104676149A (en) * | 2015-01-29 | 2015-06-03 | 柳州市同进汽车零部件制造有限公司 | High-pressure rubber hose |
| CN104964104A (en) * | 2015-06-30 | 2015-10-07 | 祝锦聪 | Liquid conveying hose |
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2018
- 2018-06-27 CN CN201810675788.4A patent/CN108758115A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101000119A (en) * | 2006-01-09 | 2007-07-18 | 青岛三祥科技有限公司 | High-fatigue-resistance hydraulic brake hose and production method thereof |
| CN102040782A (en) * | 2010-12-29 | 2011-05-04 | 青岛三祥科技有限公司 | Power-steering high-pressure hose and production process thereof |
| CN102628530A (en) * | 2012-04-06 | 2012-08-08 | 浙江峻和橡胶科技有限公司 | Engine fuel pipe and production process thereof |
| CN104676149A (en) * | 2015-01-29 | 2015-06-03 | 柳州市同进汽车零部件制造有限公司 | High-pressure rubber hose |
| CN104964104A (en) * | 2015-06-30 | 2015-10-07 | 祝锦聪 | Liquid conveying hose |
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Application publication date: 20181106 |