CN103899855A - High-pressure rubber hose and production process thereof - Google Patents
High-pressure rubber hose and production process thereof Download PDFInfo
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- CN103899855A CN103899855A CN201410146472.8A CN201410146472A CN103899855A CN 103899855 A CN103899855 A CN 103899855A CN 201410146472 A CN201410146472 A CN 201410146472A CN 103899855 A CN103899855 A CN 103899855A
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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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- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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- 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
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- 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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- 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
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
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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
- C08K3/04—Carbon
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/175—Amines; Quaternary ammonium compounds containing COOH-groups; Esters or salts thereof
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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
- F16L11/081—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire
- F16L11/082—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire two layers
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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
- F16L11/085—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers
- F16L11/086—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more braided layers two layers
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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
- F16L11/26—Hoses, i.e. flexible pipes made of sound-absorbing materials or with sound-absorbing structure
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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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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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Abstract
The invention relates to a high-pressure rubber hose and a production process of the high-pressure rubber hose. The high-pressure rubber hose includes an inner rubber layer, a first reinforcement layer, a middle rubber layer, a second reinforcement layer, an outer rubber layer and an ultra-high molecular weight polyethylene film from inside to outside in sequence. The outer rubber layer contains 90-110 parts of ethylene-propylene rubber, 4.5-5.2 parts of zinc oxide, 0.8-1.2 parts of stearic acid, 55-65 parts of carbon black, 20-22 parts of dibutyl phthalate, 0.48-0.55 part of dimethylaminoethyl methacrylate, 1.2-1.8 parts of accelerants and 1.2-1.8 parts of sulfur. The production process is characterized in that on the basis of an existing process, the following steps are added: the outer rubber layer is extruded and then passes through a heating cylinder, and when the temperature of the outer rubber layer reaches 120 DEG C to 150 DEG C, the outer rubber layer is coated with the ultra-high molecular weight polyethylene film; water cloth is wound around the outer rubber layer, and then sulfuration is carried out. The high-pressure rubber hose resists shock, corrosion, low temperature and adhesion, and is high in wear resistance, capable of conducting self-lubrication, long in service life, sanitary and non-toxic.
Description
Technical field
The present invention relates to high-pressure rubber pipe manufacturing field, particularly relate to a kind of high-pressure rubber pipe and production technology thereof that is covered with ultra high molecular weight polyethylene films.
Background technique
High-pressure rubber pipe is widely used in the fields such as petrochemical industry, coal, electric power, communications and transportation, medical apparatus, machine-building, mining, boats and ships, automobile.High-pressure rubber pipe has ultrahigh pressure steel wire winding pipe, high pressure steel wire woven tube, cotton thread to be wound around the multiple product such as high-voltage tube, cotton thread braiding high-voltage tube, mainly comprises inner glue layer, the first enhancement layer, mesoglea, the second enhancement layer and outer glue-line.
Existing high-pressure rubber pipe still has the following disadvantages:
1, wear no resistance, use after a period of time, the outer glue-line surface of sebific duct is easily worn, injures by a crashing object, damage etc., makes the exposed corrosion outside of enhancement layer, causes body leakage and scraps.
2, not shock-resistant (not impact resistance), outer glue damaged surfaces after being subject to impacting, clashing into and make the steel wire corrosion of enhancement layer, causes body leakage and scraps.
3, not resistance to chemical attack of existing high-pressure rubber pipe can not be used in acidity or alkaline environment.
4, without self lubricity.
5, not low temperature resistant, when temperature during lower than (100 ℃) glue-line can chap.
6, outer glue-line, containing large amount of organic matter, has certain toxicity, and human body directly contacts with outer glue-line, is unfavorable for healthy.
7, tensile strength is low, there is no elasticity.
8, density is large, and outer glue-line and inner glue layer tube wall thicker, increased the weight of sebific duct, be unfavorable for carrying, install, and waste in a large number resource.
9, the easily various impurity of adhesion, medium of outer glue-line surface, easily water suction, causes body to increase the weight of, and is detrimental to health.
10, aspect of performance is comparatively single, can not meet the key areas such as coal industry, petroleum industry, machine-building, metallurgy industry, food service industry improving constantly the requirement of high-voltage tube combination property.
That ultra-high molecular weight polyethylene (UHMWPE) has is wear-resisting, shock-resistant, selflubricating, low temperature resistant, anti-adhesive, health are nontoxic, impact-absorbing, soundproof effect is good, environmental stress crack resistance good, many advantages such as light, is constantly applied to every field.Ultra-high molecular weight polyethylene has so many advantage, if ultra-high molecular weight polyethylene is applied in the manufacturing of high-pressure rubber pipe, can solve a lot of shortcomings that exist when existing high-pressure rubber pipe uses.Ultra high molecular weight polyethylene films is overlayed on to the inside and outside glue-line of existing high-pressure rubber pipe surface, and to make the perfect sticky connection of the inside and outside glue-line of itself and high-pressure rubber pipe, combine together be exactly the technical barrier that the present invention will solve.Because the molecular weight superelevation of ultra-high molecular weight polyethylene is more than 1,500,000, melt viscosity is very high, is difficult to and inside and outside cementing being combined of former high-voltage tube, the ultra high molecular weight polyethylene films of molten state cannot be overlayed on to the surface of its inside and outside glue-line; And ultra high molecular weight polyethylene films is more difficult and the inside and outside glue perfect adaptation of former high-pressure rubber pipe is glued connection, combined together, also can be expressed as " not mixing like water and fire ".How high-pressure rubber pipe and ultra-high molecular weight polyethylene are combined, create that a kind of wear resistance is good, corrosion-resistant, low temperature resistant, shock resistance (impact resistance), selflubricating, do not adhere to, moisture absorption is little, health is nontoxic, tensile strength superelevation, impact energy absorptivity extra-heavy, density is little, quality is light, good stability, long service life have good noise damping performance and cut high-pressure rubber pipe and the production technology thereof of audio fruit, real one of the current important research and development problem that belongs to.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of high-pressure rubber pipe and production technology thereof, make its high abrasion, corrosion-resistant, low temperature resistant, shock resistance, selflubricating, do not adhere to, moisture absorption is little, health is nontoxic, tensile strength superelevation, impact energy absorptivity extra-heavy, density is little, quality is light, good stability, long service life have good noise damping performance and cut audio fruit.
For solving the problems of the technologies described above, the invention provides a kind of high-pressure rubber pipe, from inside to outside be followed successively by inner glue layer, the first enhancement layer, mesoglea, the second enhancement layer, outer glue-line and ultra high molecular weight polyethylene films, second the third glue that described outer glue-line contains 90-110 weight portion, the zine oxide of 4.5-5.2 weight portion, the dibutyl ester of the stearic acid of 0.8-1.2 weight portion, the carbon black of 55-65 weight portion, 20-22 weight portion, the dimethylaminoethyl methacrylate of 0.48-0.55 weight portion, the promoter of 1.2-1.8 weight portion and the sulphur of 1.2-1.8 weight portion.
Further, described inner glue layer is identical with described outer glue-line composition, and the inner side of inner glue layer is covered with ultra high molecular weight polyethylene films.
Described promoter is TMTD.
Described carbon black is N330 and N550.
Second the third glue that described outer glue-line contains 100 weight portions, the zine oxide of 5 weight portions, the dibutyl ester of the stearic acid of 1 weight portion, the carbon black N330 of 60 weight portions, 20 weight portions, the dimethylaminoethyl methacrylate of 0.5 weight portion, the Vulcanization accelerator TMTD of 1.5 weight portions and the sulphur of 1.5 weight portions.
Described the first enhancement layer, the second enhancement layer are steel wire floor or cotton thread layer.
The present invention also provides a kind of production technology of high-pressure rubber pipe, comprises the following steps:
A, on interior tube core, extrude inner glue layer by extruder;
B, on inner glue layer, weave the first enhancement layer;
C, on the first enhancement layer, push mesoglea;
D, on mesoglea, weave the second enhancement layer;
E, on the second enhancement layer extruding outside glue-line;
F, process heating cylinder, make the temperature of outer glue-line reach 120 ℃-150 ℃, and described ultra high molecular weight polyethylene films is overlayed on outer glue-line by mouth mould;
G, in ultra high molecular weight polyethylene films, be wrapped with water cloth, sulfuration 65-85 minute, has vulcanized rear solution boiling water cloth.
Improve as one, described sulfurize temperature is 148 ℃-150 ℃.
Before described steps A, increase following steps: ultra high molecular weight polyethylene films is overlayed on interior tube core.
Described interior tube core is steel pipe core, PPR core or rubber core.
Adopt after such design, the present invention at least has the following advantages:
1, through repetition test, improvement forms high-pressure rubber pipe of the present invention, and inner glue layer, outer glue-line can join with ultra-high molecular weight polyethylene (UHMWPE) film close is sticky, ideally merge, and form entirety, and are difficult for delamination.
2, high-pressure rubber pipe of the present invention has high wear resistance, and its mortar abrasion index is 1/5th of PA66 compared with other materials, is 1/10th of HEUHMW and PVC, with Metal Phase ratio, is 1/7th of carbon steel, 1/27 of brass.
3, skin of the present invention is covered with ultra high molecular weight polyethylene films, impact resistance extra-heavy, its impact strength is about 2 times of shock-resistant PC, 5 times of ABS, POM and PBTP more than 10 doubly.Its impact strength increases with the increase of the molecular weight of ultra-high molecular weight polyethylene, and the molecular weight of ultra-high molecular weight polyethylene is to reach impact strength maximum at 1,500,000 o'clock.And its in liquid nitrogen (195 ℃) also can keep excellent impact strength.In addition, his repeated stock surface hardness is very high.
4, adopt the high-pressure rubber pipe of ultra high molecular weight polyethylene films to there is self lubricity, the dynamic friction factor of ultra high molecular weight polyethylene films is 1/2 of PA66 and POM under water lubrication condition, under unlubricated condition with plastics in the best teflon of self lubricity suitable; In the time that it is worked with slip or rotation formula, also better than the lubricity after steel and brass lubricating oil filling, performance is very excellent.
5, there is excellent corrosion resistance, except strong oxidizing property acid solution, the various Korrosionsmediums of ability (acid, alkali, salt, wet goods) and organic media (except bitter edible plant solvent) in uniform temperature and concentration range.Test shows, high-pressure rubber pipe outer surface of the present invention floods 30 days in 80 kinds of organic solvents of 20 ℃ and 80 ℃, and without any abnormal phenomena, other physical properties also almost do not change.
6, can impact-absorbing energy, there is good noise damping performance and cut audio fruit.
7, there is excellent lower temperature resistance, under liquid nitrogen temperature (269 ℃), be still ductile, can be used as the low temperature resistant parts of nuclear industry.
8, ultra high molecular weight polyethylene films health is nontoxic, meet the standard of Japanese sanitation association completely, and obtain the approval of U.S. food and medicine administrative bureau and USDA＝ United States Department of Agriculture, can be used for contacting foodstuff and medicine, be harmful to human health, inside and outside layer covers ultra high molecular weight polyethylene films has avoided human body to contact with the direct of rubber, has avoided the harm of rubber to human body, be conducive to health, be conducive to environmental protection, low carbon development.
9, there is excellent not stickiness, ultra high molecular weight polyethylene films adsorption ability is very faint, and its anti-adhesion ability is only second in plastics the not best PTFE of viscosity, thereby product surface and other materials are difficult for adhering to, oil resistance is very strong, is especially applicable to oiliness operation.
10, moisture absorption of the present invention is little, and the water absorption rate of ultra high molecular weight polyethylene films is very low, is generally less than 0.01%, is only 1% of PA66, thereby needn't be dried processing before machine shaping.
11, the half that the inner glue layer of high-pressure rubber pipe of the present invention, outer bondline thickness are prior art can reach the requirement of intensity and other indexs, can reduce raw-material use amount, reduces costs; And reduced the discharge amount of pollutant, be conducive to the protection of environment.Long service life, has reduced the replacement frequency of sebific duct and the quantity of useless pipe, has further saved ample resources, has really accomplished energy-conservation, reduction of discharging, environmental protection.
12, ultra high molecular weight polyethylene films density is low, all lower than other all engineering plastics, and therefore, the tube wall lightweight, sebific duct of high-pressure rubber pipe of the present invention is thin, carrying, easy for installation.And, inside and outside bondline thickness reduces rear installation, it is more convenient to carry, and existing sebific duct tube wall is thicker, need be by the outer glue-line part cutting of sebific duct end when installation, processing strips off the skin, without sebific duct is carried out to larger cutting, easy for installation, succinct when high-pressure rubber pipe erection joint of the present invention.
13, high, the good springiness of high-pressure rubber pipe tensile strength of the present invention, is widely used, practical.
14, have good electrical insulation properties, antistatic, suction noise, has than the higher environmental stress crack resistance of HDPE and the ray of resistance to r-ability.
15, when high-pressure rubber pipe of the present invention is produced, adopt nylon water cloth to be wound around, can increase the Adhesion force of ultra high molecular weight polyethylene films and outer glue-line, make sizing material fill up enhancement layer, play mould action.
Accompanying drawing explanation
Above-mentioned is only the general introduction of technical solution of the present invention, and in order to better understand technological means of the present invention, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Fig. 1 is the structural representation of a kind of high-pressure rubber pipe of the present invention.
Fig. 2 is the high-pressure rubber pipe structural representation that inner glue layer covers ultra high molecular weight polyethylene films.
Fig. 3 covers ultra high molecular weight polyethylene films process schematic representation.
Embodiment
As an example of the high pressure steel wire woven tube that comprises two-layer enhancement layer example, the present invention is further explained below:
Shown in Fig. 1, the invention provides a kind of high-pressure rubber pipe, from inside to outside be followed successively by inner glue layer 1, the first enhancement layer 2, mesoglea 3, the second enhancement layer 4, outer glue-line 5 and ultra high molecular weight polyethylene films 6, second the third glue that described outer glue-line 5 contains 90-110 weight portion, the zine oxide of 4.5-5.2 weight portion, the dibutyl ester of the stearic acid of 0.8-1.2 weight portion, the carbon black of 55-65 weight portion, 20-22 weight portion, the dimethylaminoethyl methacrylate of 0.48-0.55 weight portion, the promoter of 1.2-1.8 weight portion and the sulphur of 1.2-1.8 weight portion.
Described carbon black is preferably N330, N550, and described promoter is preferably TMTD.
Shown in Fig. 2, preferably, described inner glue layer 1 is identical with described outer glue-line 5 compositions, and the inner side of inner glue layer 1 is also covered with ultra high molecular weight polyethylene films 6.
Embodiment 1
Described high-pressure rubber pipe is from inside to outside followed successively by inner glue layer 1, the first steel wire floor 2, mesoglea 3, the second steel wire floor 4, outer glue-line 5 and ultra high molecular weight polyethylene films 6, the described each component of outer glue-line 5 is: second third glue of 100 weight portions, the zine oxide of 5 weight portions, the dibutyl ester of the stearic acid of 1 weight portion, the carbon black N330 of 60 weight portions, 20 weight portions, the dimethylaminoethyl methacrylate of 0.5 weight portion, the Vulcanization accelerator TMTD of 1.5 weight portions and the sulphur of 1.5 weight portions.
Described high-pressure rubber pipe is from inside to outside followed successively by inner glue layer 1, the first steel wire floor 2, mesoglea 3, the second steel wire floor 4, outer glue-line 5 and ultra high molecular weight polyethylene films 6, the described each component of outer glue-line 5 is: second third glue of 100 weight portions, the zine oxide of 5 weight portions, the dibutyl ester of the stearic acid of 1 weight portion, the carbon black N330 of 60 weight portions, 22 weight portions, the dimethylaminoethyl methacrylate of 0.5 weight portion, the Vulcanization accelerator TMTD of 1.5 weight portions and the sulphur of 1.5 weight portions.
Described high-pressure rubber pipe is from inside to outside followed successively by inner glue layer 1, the first steel wire floor 2, mesoglea 3, the second steel wire floor 4, outer glue-line 5 and ultra high molecular weight polyethylene films 6, the described each component of outer glue-line 5 is: second third glue of 95 weight portions, the zine oxide of 5 weight portions, the dibutyl ester of the stearic acid of 0.95 weight portion, the carbon black N550 of 60 weight portions, 21 weight portions, the dimethylaminoethyl methacrylate of 0.5 weight portion, the Vulcanization accelerator TMTD of 1.5 weight portions and the sulphur of 1.5 weight portions.
The present invention's mesoglea 3 used is existing common mesoglea 3, inner glue layer 1 and outer glue-line 5 except composition unlike the prior art, its production method can be with the production technology manufacture of existing high-pressure rubber pipe.
The present invention also provides the production technology of above-mentioned high-pressure rubber pipe, comprises the following steps:
A, on interior tube core, extrude inner glue layer 1 by extruder;
B, on inner glue layer 1, weave the first enhancement layer 2;
C, on the first enhancement layer 2, push mesoglea 3;
D, on mesoglea 3, weave the second enhancement layer 4;
E, on the second enhancement layer 4 extruding outside glue-line 5;
F, process heating cylinder, make the temperature of outer glue-line 5 reach 120 ℃-150 ℃, and described ultra high molecular weight polyethylene films 6 is overlayed on outer glue-line 5 by mouth mould 7.
G, in ultra high molecular weight polyethylene films 6, be wrapped with water cloth, sulfuration 65-85 minute, wherein, sulfurize temperature is 148 ℃-150 ℃, has vulcanized rear solution boiling water cloth.
Described interior tube core is steel pipe core, PPR core or rubber core.
Described water cloth is preferably nylon water cloth.
Shown in Fig. 3, wide outer glue-line 5 external diameters that are slightly larger than high-pressure rubber pipe of described ultra high molecular weight polyethylene films 6, ultra high molecular weight polyethylene films 6 is longitudinally pressed on outer glue-line 5 by mode shown in Fig. 3.
Before described steps A, increase following steps: ultra high molecular weight polyethylene films 6 is overlayed on interior tube core.Then on the interior tube core that is covered with ultra high molecular weight polyethylene films 6, push inner glue layer 1; On inner glue layer 1, weave the first enhancement layer 2; On the first enhancement layer 2, push mesoglea 3; On mesoglea 3, weave the second enhancement layer 4; Glue-line 5 outside extruding on the second enhancement layer 4, while being 120 ℃-150 ℃, covers ultra high molecular weight polyethylene films 6 outside extruding after glue-line 5 through heating cylinder temperature, in ultra high molecular weight polyethylene films 6, be wrapped with water cloth, sulfuration 65-85 minute, wherein, sulfurize temperature is 148 ℃-150 ℃.Now, ultra high molecular weight polyethylene films is glued connection, is combined together with inner glue layer 1, outer glue-line 5 respectively.
Extruding of described inner glue layer 1, mesoglea 3 and outer glue-line 5 can realize by existing expressing technique.
High-pressure rubber pipe of the present invention can be polytype sebific ducts such as high pressure steel wire woven tube, high pressure steel wire entwining tube, cotton thread winding high-voltage tube, cotton thread braiding high-voltage tube, and applicable to different big or small calibers.High-pressure rubber pipe of the present invention can have one or more layers enhancement layer, and it is larger that the number of plies is born pressure more.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification, equivalent variations or modification, all drop in protection scope of the present invention.
Claims (10)
1. a high-pressure rubber pipe, it is characterized in that: be from inside to outside followed successively by inner glue layer, the first enhancement layer, mesoglea, the second enhancement layer, outer glue-line and ultra high molecular weight polyethylene films, second the third glue that described outer glue-line contains 90-110 weight portion, the zine oxide of 4.5-5.2 weight portion, the dibutyl ester of the stearic acid of 0.8-1.2 weight portion, the carbon black of 55-65 weight portion, 20-22 weight portion, the dimethylaminoethyl methacrylate of 0.48-0.55 weight portion, the promoter of 1.2-1.8 weight portion and the sulphur of 1.2-1.8 weight portion.
2. a kind of high-pressure rubber pipe according to claim 1, is characterized in that: described inner glue layer is identical with described outer glue-line composition, and the inner side of inner glue layer is covered with ultra high molecular weight polyethylene films.
3. a kind of high-pressure rubber pipe according to claim 1, is characterized in that: described promoter is TMTD.
4. a kind of high-pressure rubber pipe according to claim 1, is characterized in that: described carbon black is N330 and N550.
5. a kind of high-pressure rubber pipe according to claim 1, it is characterized in that: second the third glue that described outer glue-line contains 100 weight portions, the zine oxide of 5 weight portions, the dibutyl ester of the stearic acid of 1 weight portion, the carbon black N330 of 60 weight portions, 20 weight portions, the dimethylaminoethyl methacrylate of 0.5 weight portion, the Vulcanization accelerator TMTD of 1.5 weight portions and the sulphur of 1.5 weight portions.
6. a kind of high-pressure rubber pipe according to claim 1, is characterized in that: described the first enhancement layer, the second enhancement layer are steel wire floor or cotton thread layer.
7. an a kind of production technology of high-pressure rubber pipe described in claim 1, is characterized in that comprising the following steps:
A, on interior tube core, extrude inner glue layer by extruder;
B, on inner glue layer, weave the first enhancement layer;
C, on the first enhancement layer, push mesoglea;
D, on mesoglea, weave the second enhancement layer;
E, on the second enhancement layer extruding outside glue-line;
F, process heating cylinder, in the time that the temperature of outer glue-line reaches 120 ℃-150 ℃, overlay on described ultra high molecular weight polyethylene films on outer glue-line by mouth mould;
G, in ultra high molecular weight polyethylene films, be wrapped with water cloth, sulfuration 65-85 minute, has vulcanized rear solution boiling water cloth.
8. the production technology of a kind of high-pressure rubber pipe according to claim 7, is characterized in that: described sulfurize temperature is 148 ℃-150 ℃.
9. the production technology of a kind of high-pressure rubber pipe according to claim 7, is characterized in that: before described steps A, increase following steps: ultra high molecular weight polyethylene films is overlayed on interior tube core.
10. the production technology of a kind of high-pressure rubber pipe according to claim 7, is characterized in that: described interior tube core is steel pipe core, PPR core or rubber core.
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