CN111704754A - Formula and production method of medium rubber for rubber pipe - Google Patents
Formula and production method of medium rubber for rubber pipe Download PDFInfo
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- CN111704754A CN111704754A CN201910202627.8A CN201910202627A CN111704754A CN 111704754 A CN111704754 A CN 111704754A CN 201910202627 A CN201910202627 A CN 201910202627A CN 111704754 A CN111704754 A CN 111704754A
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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
- C08L9/02—Copolymers with acrylonitrile
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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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K2201/011—Nanostructured additives
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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
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- C08L2203/18—Applications used for pipes
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Abstract
The invention discloses a formula of a medium adhesive for a rubber tube and a production method thereof, wherein the medium adhesive formula comprises the following raw materials: butyronitrile, nano zinc oxide, stearic acid, an anti-aging agent, coumarone, iron oxide red, carbon black, light calcium, dioctyl ester, sulfur and an accelerator, wherein the formula of the medium rubber comprises the following raw materials in percentage by weight: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40-50% and 1-2%: 0.5-1%: 0.5-2%: 1-2%: 5-10%, 10-20%: 20-25%: 5-10 percent, 0.5-1 percent, 0.2-0.5 percent, comprising the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: and (3) nano zinc oxide. The main material of the formula of the intermediate rubber is nitrile rubber, and the nitrile rubber is prepared from butadiene and acrylonitrile by an emulsion polymerization method, so that the intermediate rubber has the advantages of good oil resistance, high wear resistance, good heat resistance, strong bonding force and good aging resistance, and is beneficial to use of people.
Description
Technical Field
The invention relates to the technical field of rubber tubes, in particular to a formula of a medium rubber for a rubber tube and a production method thereof.
Background
The rubber tube is used for conveying gas, liquid, pulpous or granular materials and is composed of an inner rubber layer, an outer rubber layer and a framework layer, wherein the framework layer can be made of cotton fibers, various synthetic fibers, carbon fibers or asbestos, steel wires and the like, and the inner rubber layer and the outer rubber layer of the common rubber tube are made of natural rubber, styrene butadiene rubber or butadiene rubber; the oil-resistant rubber tube adopts chloroprene rubber and nitrile rubber; the high-temperature resistant rubber tube is made of ethylene propylene rubber, fluororubber or silicon rubber and the like, and compared with a rubber hose which is formed by extrusion molding of high-molecular chemical raw materials through processes such as vulcanization and the like, the rubber hose comprises a metal hose, a corrugated pipe, a hydraulic hose and the like in a wider range.
The air-conditioning rubber tube mainly refers to an air-conditioning rubber tube for conveying liquid or gaseous refrigeration R134a in an automobile air-conditioning system, the rubber tube is composed of an inner permeable layer, a middle rubber layer, a fiber reinforced layer and an outer rubber layer from inside to outside, the structure and material of the air-conditioning rubber tube are greatly changed due to the application of a novel air-conditioning refrigerant R134a, at present, the best material of the refrigerant is nylon, so the nylon is selected as the inner permeable layer, the middle rubber layer is Ethylene Propylene Diene Monomer (EPDM) or chlorinated butyl rubber (CIIR), the woven layer is polyester thread, the outer rubber layer is Ethylene Propylene Diene Monomer (EPDM), the rubber commonly selected by the air-conditioning rubber tube at present is EPDM or CIIR, but the EPDM is nonpolar rubber, the air tightness is poor, the bonding force cannot meet the requirement, if the CIIR is used as the middle rubber layer, the activated vulcanization point is few, the vulcanization speed is slow, when the temperature is 150 ℃ and above, the aging performance, is not beneficial to the use of people.
Disclosure of Invention
The invention aims to provide a formula of medium rubber for a rubber tube and a production method thereof, which have the advantage of convenience in use of the rubber tube and solve the problem of inconvenience in use of the rubber tube.
In order to achieve the purpose, the invention provides the following technical scheme: the formula of the medium rubber for the rubber tube comprises the following raw materials: butyronitrile, nano zinc oxide, stearic acid, an anti-aging agent, coumarone, iron oxide red, carbon black, light calcium, dioctyl ester, sulfur and an accelerator, wherein the formula of the medium rubber comprises the following raw materials in percentage by weight: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40-50% and 1-2%: 0.5-1%: 0.5-2%: 1-2%: 5-10%, 10-20%: 20-25%: 5-10%, 0.5-1%, 0.2-0.5%.
Preferably, the butyronitrile in the raw materials contained in the middle rubber formula is butyronitrile 26, the anti-aging agent in the raw materials contained in the middle rubber formula is anti-aging agent RD, the carbon black in the raw materials contained in the middle rubber formula is carbon black N660, and the accelerator in the raw materials contained in the middle rubber formula is accelerator CZ.
Preferably, the weight ratio of the raw materials contained in the formula of the medium size is as follows: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 44.53% to 1.86%: 0.85%: 0.74%: 1.86%: 5.57%, 14.84%: 21.15%: 7.42 percent, 0.93 percent and 0.26 percent.
A production method of medium rubber for rubber tubes comprises the following steps:
step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 40-50%: 1-2%, 0.5-1%, 1-2%, 5-10%: 20-25%, and banburying under pressure until jelly appears;
step 2: mixing: then, in step 1, the weight ratio of carbon black: 5-10% of a medium collagen material is added for mixing, and then the mixed rubber is discharged;
and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5-2%: 0.5-1%: mixing 0.2-0.5% of the collagen material, and extruding the rubber material;
and 4, step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Preferably, the pressure is once reduced when the temperature is raised to 80 ℃ and once reduced when the temperature is raised to 90 ℃ and the pressure is once reduced when the temperature is raised to 110 ℃ during the mixing in the step 2.
Preferably, the steam pressure during the vulcanization in the step 3 is 0.45MPa, and the vulcanization time is 45-55 min.
Compared with the prior art, the invention has the following beneficial effects: the main material of the formula of the intermediate rubber is nitrile rubber, and the nitrile rubber is prepared from butadiene and acrylonitrile by an emulsion polymerization method, so that the intermediate rubber has the advantages of good oil resistance, high wear resistance, good heat resistance, strong bonding force and good aging resistance, and is beneficial to use of people.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 formula of the medium rubber for the rubber tube comprises the following raw materials: butyronitrile, nano zinc oxide, stearic acid, an anti-aging agent, coumarone, iron oxide red, carbon black, light calcium, dioctyl ester, sulfur, an accelerator, and a medium rubber formula, wherein the weight ratio of various raw materials is as follows: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40-50% and 1-2%: 0.5-1%: 0.5-2%: 1-2%: 5-10%, 10-20%: 20-25%: 5-10%, 0.5-1%, 0.2-0.5%.
A production method of medium rubber for rubber tubes comprises the following steps:
step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 40-50%: 1-2%, 0.5-1%, 1-2%, 5-10%: 20-25%, and banburying under pressure until jelly appears;
step 2: mixing: then, in step 1, the weight ratio of carbon black: 5-10% of a medium collagen material is added for mixing, and then the mixed rubber is discharged;
and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5-2%: 0.5-1%: mixing 0.2-0.5% of the collagen material, and extruding the rubber material;
and 4, step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 1
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 44.53% to 1.86%: 0.85%: 0.74%: 1.86%: 5.57%, 14.84%: 21.15%: 7.42 percent, 0.93 percent and 0.26 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 44.53%: 1.86%, 0.85%: 1.86 percent, 5.57 percent and 21.15 percent, and carrying out pressure banburying until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.42% of collagen material into dioctyl = 14.84%, mixing, and discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.74%: 0.93%: mixing 0.26% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ during the mixing in the step 2, the pressure is reduced once, when the temperature is increased to 90 ℃, the pressure is reduced once, when the temperature is increased to 110 ℃, the pressure is discharged, when the pressure is vulcanized in the step 3, the steam pressure is 0.45MPa, the vulcanization time is 45min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 2
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 44% to 1%: 1%: 0.5%: 1.5%: 5%, 15%: 25%: 5.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 44%: 1%: 1.5 percent to 5 percent to 25 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 5.5 percent of medium collagen material with dioctyl =15 percent, mixing, and discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 1%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ and the pressure is reduced once when the temperature is increased to 90 ℃ during the mixing in the step 2, the pressure is reduced once when the temperature is increased to 110 ℃, the pressure is discharged when the temperature is increased to 110 ℃, the steam pressure is 0.45MPa during the vulcanization in the step 3, the vulcanization time is 50min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 3
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 46% to 1.25%: 0.65%: 1.35%: 1.75%: 5%, 12%: 23%: 7.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 46%: 1.25%, 0.65%: 1.75 percent to 5 percent to 2 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.5% of a medium collagen material with dioctyl = 12% for mixing, and then discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 5.5%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ and the pressure is reduced once when the temperature is increased to 90 ℃ during the mixing in the step 2, the pressure is reduced once when the temperature is increased to 110 ℃, the pressure is discharged when the temperature is increased to 110 ℃, the steam pressure is 0.45MPa during the vulcanization in the step 3, the vulcanization time is 50min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 4
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 41% to 1.35%: 0.65%: 1.75%: 1.25%: 5%, 15%: 25%: 7.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 41%: 1.35% to 0.65%: 1.25 percent to 5 percent to 25 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.5 percent of collagen material with dioctyl =15 percent, mixing, and discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.65%: 5.5%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ and the pressure is reduced once when the temperature is increased to 90 ℃ during the mixing in the step 2, the pressure is reduced once when the temperature is increased to 110 ℃, the pressure is discharged when the temperature is increased to 110 ℃, the steam pressure is 0.45MPa during the vulcanization in the step 3, the vulcanization time is 55min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 5
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 45% to 1.25%: 0.65%: 1.35%: 1.75%: 5%, 11%: 25%: 7.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 45%: 1.25%, 0.65%: 1.75 percent to 5 percent to 25 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.5% of a medium collagen material with dioctyl = 11% for mixing, and then discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 5.5%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ and the pressure is reduced once when the temperature is increased to 90 ℃ during the mixing in the step 2, the pressure is reduced once when the temperature is increased to 110 ℃, the pressure is discharged when the temperature is increased to 110 ℃, the steam pressure is 0.45MPa during the vulcanization in the step 3, the vulcanization time is 50min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 6
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 48% to 1.25%: 0.65%: 1.35%: 1.75%: 5%, 10%: 23%: 7.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 48%: 1.25%, 0.65%: 1.75 percent to 5 percent to 23 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.5% of a medium collagen material with dioctyl = 10% for mixing, and then discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 5.5%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ and the pressure is reduced once when the temperature is increased to 90 ℃ during the mixing in the step 2, the pressure is reduced once when the temperature is increased to 110 ℃, the pressure is discharged when the temperature is increased to 110 ℃, the steam pressure is 0.45MPa during the vulcanization in the step 3, the vulcanization time is 50min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 7
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40% to 1.25%: 0.65%: 1.35%: 1.75%: 8%: 13%: 25%: 7.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 40%: 1.25%, 0.65%: 1.75 percent to 8 percent to 25 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 7.5% of a medium collagen material with dioctyl = 13% for mixing, and then discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 5.5%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ during the mixing in the step 2, the pressure is reduced once, when the temperature is increased to 90 ℃, the pressure is reduced once, when the temperature is increased to 110 ℃, the pressure is discharged, when the pressure is vulcanized in the step 3, the steam pressure is 0.45MPa, the vulcanization time is 45min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
Example 8
The formula of the intermediate rubber is butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40% to 1.5%: 0.5%: 0.5%: 1%: 10%: 15%: 25%: 5.5 percent, 1 percent and 0.5 percent.
The production method of the medium size comprises the following steps: step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 40%: 1.5%: 0.5%: 1 percent, 10 percent and 25 percent, and banburying under pressure until jelly appears; step 2: mixing: then, in step 1, the weight ratio of carbon black: adding 5.5 percent of medium collagen material with dioctyl =15 percent, mixing, and discharging the mixed rubber; and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5%: 1%: mixing 0.5% of the collagen material, and extruding the rubber material; when the temperature is increased to 80 ℃ during the mixing in the step 2, the pressure is reduced once, when the temperature is increased to 90 ℃, the pressure is reduced once, when the temperature is increased to 110 ℃, the pressure is discharged, when the pressure is vulcanized in the step 3, the steam pressure is 0.45MPa, the vulcanization time is 45min, and the step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner rubber layer.
When in use, the middle rubber layer of the air conditioner rubber pipe produced by the formula can meet the use requirements of the air conditioner rubber pipe on high temperature resistance and refrigerant resistance, has the hardness of 80 and the tensile strength of 13MPa, cannot be separated after being bonded with a steel wire layer, and can be aged at high temperature: after aging for 1000h at 150 ℃, the change rates of the tensile strength and the tearing strength are-40 percent, and the change rate of the elongation at break is-46 percent; aging in refrigerant R134 a: after aging for 1000h at 125 ℃ or 336h at 140 ℃, the change rate of the tensile strength and the tear strength is-29 percent, and the change rate of the elongation at break is-38 percent.
In summary, the following steps: the formula of the medium rubber for the rubber tube and the production method thereof solve the problem of inconvenient use of the rubber tube.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The formula of the medium rubber for the rubber pipe is characterized in that: the raw materials of the formula of the medium rubber comprise: butyronitrile, nano zinc oxide, stearic acid, an anti-aging agent, coumarone, iron oxide red, carbon black, light calcium, dioctyl ester, sulfur and an accelerator, wherein the formula of the medium rubber comprises the following raw materials in percentage by weight: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 40-50% and 1-2%: 0.5-1%: 0.5-2%: 1-2%: 5-10%, 10-20%: 20-25%: 5-10%, 0.5-1%, 0.2-0.5%.
2. The formulation of the middle rubber for rubber tubes as claimed in claim 1, wherein: the nitrile butadiene in the raw materials contained in the formula of the medium rubber is butyronitrile 26, the anti-aging agent in the raw materials contained in the formula of the medium rubber is anti-aging agent RD, the carbon black in the raw materials contained in the formula of the medium rubber is carbon black N660, and the accelerator in the raw materials contained in the formula of the medium rubber is accelerator CZ.
3. The formulation of the middle rubber for rubber tubes as claimed in claim 1, wherein: the weight ratio of various raw materials contained in the formula of the middle rubber is as follows: butyronitrile: nano zinc oxide: stearic acid: an anti-aging agent: coumarone: iron oxide red: carbon black: light calcium carbonate: dioctyl ester: sulfur: accelerator = 44.53% to 1.86%: 0.85%: 0.74%: 1.86%: 5.57%, 14.84%: 21.15%: 7.42 percent, 0.93 percent and 0.26 percent.
4. The production method of the medium rubber for the rubber pipe is characterized by comprising the following steps: the method comprises the following steps:
step 1: pressure banburying: weighing the collagen materials in a weight ratio of butyronitrile: nano zinc oxide: stearic acid: coumarone: iron oxide red: light calcium = 40-50%: 1-2%, 0.5-1%, 1-2%, 5-10%: 20-25%, and banburying under pressure until jelly appears;
step 2: mixing: then, in step 1, the weight ratio of carbon black: 5-10% of a medium collagen material is added for mixing, and then the mixed rubber is discharged;
and step 3: molding: adding an anti-aging agent into an open mill in a weight ratio of: sulfur: accelerator = 0.5-2%: 0.5-1%: mixing 0.2-0.5% of the collagen material, and extruding the rubber material;
and 4, step 4: and (4) coating the sizing material obtained in the step (3) between the steel wire layers or between the steel wire layers and the inner sizing layer.
5. The method for producing the medium rubber for the rubber tube according to claim 4, wherein: and 2, when the temperature is increased to 80 ℃ during the mixing in the step 2, reducing the pressure once, when the temperature is increased to 90 ℃, reducing the pressure once, and when the temperature is increased to 110 ℃, discharging.
6. The method for producing the medium rubber for the rubber tube according to claim 4, wherein: and the steam pressure during vulcanization in the step 3 is 0.45MPa, and the vulcanization time is 45-55 min.
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| CN102734571A (en) * | 2012-07-02 | 2012-10-17 | 漯河市利通橡胶有限公司 | Compact steel wire braided rubber hose and preparation method thereof |
| CN103498978A (en) * | 2013-09-30 | 2014-01-08 | 漯河市利通橡胶有限公司 | High-pulse steel wire woven hydraulic rubber pipe and preparation method thereof |
| CN104100783A (en) * | 2013-04-12 | 2014-10-15 | 漯河市亿博橡胶科技有限公司 | Ultra-high-pressure steel wire winding composite hose |
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2019
- 2019-03-18 CN CN201910202627.8A patent/CN111704754A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5132073A (en) * | 1990-12-20 | 1992-07-21 | Cadillac Rubber & Plastics, Inc. | Process for making a corrugated tube |
| CN101418891A (en) * | 2008-12-10 | 2009-04-29 | 天津鹏翎胶管股份有限公司 | Fluororubber, butadiene nitrile rubber and chloroprene rubber fuel rubber pipe and making method |
| CN102734571A (en) * | 2012-07-02 | 2012-10-17 | 漯河市利通橡胶有限公司 | Compact steel wire braided rubber hose and preparation method thereof |
| CN104100783A (en) * | 2013-04-12 | 2014-10-15 | 漯河市亿博橡胶科技有限公司 | Ultra-high-pressure steel wire winding composite hose |
| CN103498978A (en) * | 2013-09-30 | 2014-01-08 | 漯河市利通橡胶有限公司 | High-pulse steel wire woven hydraulic rubber pipe and preparation method thereof |
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