CN115322461B - Rubber tube suitable for hydraulic transmission under mine and preparation method thereof - Google Patents
Rubber tube suitable for hydraulic transmission under mine and preparation method thereof Download PDFInfo
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- CN115322461B CN115322461B CN202210865521.8A CN202210865521A CN115322461B CN 115322461 B CN115322461 B CN 115322461B CN 202210865521 A CN202210865521 A CN 202210865521A CN 115322461 B CN115322461 B CN 115322461B
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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
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
- F16L9/121—Rigid pipes of plastics with or without reinforcement with three layers
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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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
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- C08L2203/18—Applications used for pipes
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Abstract
The invention discloses a rubber tube suitable for hydraulic transmission under a mine, which comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer, and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer. The rubber tube suitable for underground hydraulic transmission has good tensile strength, elongation at break and corrosion resistance, and provides reliable guarantee for long-term stable operation of a mine hydraulic transmission system.
Description
Technical Field
The invention relates to the technical field of rubber pipes, in particular to a rubber pipe suitable for hydraulic transmission under a mine and a preparation method thereof.
Background
The hydraulic rubber tube is used as a blood vessel of a hydraulic system of engineering machinery, is mainly used for conveying hydraulic oil, can absorb hydraulic impact, has good bending resistance and fatigue resistance, and is subjected to frequent pulse pressure change in the system. Because the rubber tube variety, structure are various, and the service condition is not unified, leads to rubber tube life length different, and this not only closely correlates with rubber tube quality, also depends on whether keep reasonable use and maintenance simultaneously, even the rubber tube has high quality, if can not correctly use and maintain, will seriously shorten its life.
The Chinese patent (application number 201310455471.7) discloses a high-pulse steel wire braided hydraulic rubber tube and a preparation method thereof, wherein the hydraulic rubber tube comprises an inner rubber tube, a middle rubber layer outside the inner rubber tube and an outer rubber layer outside the middle rubber layer, and the inner rubber of the inner rubber tube is prepared from the following raw materials in parts by weight: nitrile rubber; reinforcing agent carbon black and white carbon black; a softening agent; coumarone; zinc oxide; a hard acid; an anti-aging agent, an adhesive, and a promoter; a scorch retarder; vulcanization system: sulfur and vulcanizing agent; the middle rubber sheet of the middle rubber layer is prepared from the following raw materials in parts by weight: nitrile rubber; a reinforcing agent; iron oxide red powder; a softening agent; zinc oxide; a hard acid, cobalt salt; an anti-aging agent; an adhesive; an accelerator; sulfur; the outer adhesive of the outer adhesive layer is prepared from the following raw materials in parts by weight: nitrile rubber and HEPA Dragon; reinforcing agent: carbon black, white carbon black; calcium carbonate, a softening agent, zinc oxide, stearic acid, magnesium oxide, a stabilizing agent, an anti-aging agent, an adhesive and an accelerator; vulcanization system: sulfur. The hydraulic rubber tube has small pulse compression deformation and stable pulse performance. However, the hydraulic pipe has poor mechanical property and corrosion resistance, and seriously affects the application range of the hydraulic pipe.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rubber tube suitable for hydraulic transmission under a mine and a preparation method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the rubber hose is characterized by comprising a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer.
The inner adhesive layer is composed of the following raw materials in parts by weight: 30-60 parts of neoprene, 10-40 parts of thermoplastic styrene elastomer, 5-20 parts of polylactic acid, 8-20 parts of simethicone, 10-30 parts of kaolin, 3-10 parts of talcum powder, 0.5-2 parts of sulfur, 1-3 parts of stearic acid, 1-5 parts of graphene, 0.5-2 parts of calcium-zinc stabilizer, 0.5-2 parts of butyl benzyl phthalate and 1-3 parts of vulcanization accelerator.
The outer adhesive layer is composed of the following raw materials in parts by weight: 30-60 parts of ethylene propylene diene monomer, 10-40 parts of grafted polyvinyl chloride, 20-40 parts of white carbon black, 2-3 parts of adhesive, 0.5-2 parts of butyl benzyl phthalate, 0.5-2 parts of antioxidant, 1-3 parts of zinc oxide, 0.5-2 parts of sulfur, 0.5-2 parts of vulcanization accelerator and 0.5-2 parts of dispersing agent.
The preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, sodium ethoxide, polyvinyl chloride and N, N-dimethylformamide for reaction to obtain pre-grafted polyvinyl chloride;
s2: mixing 2-methoxy-4, 4-diaminobenzanilide, tetrabutylammonium bromide and epoxybromopropane for reaction, cooling, and then adding sodium hydroxide for continuous reaction; obtaining an intermediate;
s3: mixing the pre-grafted polyvinyl chloride, N-dimethylformamide, water, ammonium chloride and iron powder for reaction, removing the iron powder, and adding the intermediate and the N, N-dimethylformamide for reaction to obtain the grafted polyvinyl chloride.
Polyvinyl chloride is a universal thermoplastic resin, has good chemical resistance, processability, insulativity and other excellent properties, and is widely applied to various fields such as rubber, buildings and the like, however, the traditional polyvinyl chloride is prepared by free radical polymerization, and has a large number of structural defects, so that the structure is quite unstable, and the strength is relatively low, the toughness is relatively poor, the high temperature resistance is poor, and the impact resistance and the tensile property are poor; therefore, substances with better performance are required to be added into the polyvinyl chloride matrix to improve the comprehensive performance of the polyvinyl chloride, and the application range of the polyvinyl chloride is further improved.
The glycidol amine epoxy resin has high activity, high crosslinking density, high heat resistance, strong adhesive force, good mechanical property and corrosion resistance, and can not only improve the toughness and stability of polyvinyl chloride, but also improve the corrosion resistance of the rubber tube when grafted on the polyvinyl chloride.
Specifically, (1) mixing 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, sodium ethoxide and polyvinyl chloride to enable chlorine atom sites on a polyvinyl chloride chain segment to react with mercaptan of 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan to enable polyvinyl chloride side chains to graft nitro groups to obtain pre-grafted polyvinyl chloride; (2) Mixing an amine compound with epoxy bromopropane, reacting under the action of a tetrabutylammonium bromide catalyst, and continuing to react after adding sodium hydroxide to obtain an intermediate; (3) The pre-grafted polyvinyl chloride is reduced by ammonium chloride and iron powder, so that after the nitro is converted into amino, the amino reacts with an intermediate, so that the amino reacts with epoxy, a polyvinyl chloride molecular chain is crosslinked, the intermolecular gap is increased, the toughness of the material is further increased, and the introduced epoxy resin can improve the corrosion resistance of the material.
Preferably, the preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 1-3 parts by weight of 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, 1-4 parts by weight of sodium ethoxide, 5-15 parts by weight of polyvinyl chloride and 80-150 parts by weight of N, N-dimethylformamide, reacting for 3-6 hours at 50-70 ℃ at 400-800rpm, and then distilling under reduced pressure to remove the N, N-dimethylformamide to obtain pre-grafted polyvinyl chloride;
s2: uniformly mixing 7-14 parts by weight of an amine compound, 0.1-0.4 part by weight of tetrabutylammonium bromide and 80-160 parts by weight of epoxybromopropane, reacting for 2-5 hours at 90-120 ℃, cooling to 40-55 ℃, adding 2-5 parts by weight of sodium hydroxide, and continuously reacting for 1-3 hours at 50-70 ℃; reduced pressure distillation and drying to obtain an intermediate;
s3: uniformly mixing 5-10 parts by weight of the pre-grafted polyvinyl chloride, 35-80 parts by weight of N, N-dimethylformamide, 5-15 parts by weight of water, 0.03-0.1 part by weight of ammonium chloride and 0.2-1 part by weight of iron powder, reacting for 2-6 hours at the temperature of 100-130 ℃, removing the iron powder, adding 1-2 parts by weight of the intermediate and 30-60 parts by weight of N, N-dimethylformamide, reacting for 4-8 hours at the temperature of 30-40 ℃ at the speed of 400-800rpm and the pH value of 7.5-8.5, distilling under reduced pressure, and drying to obtain the grafted polyvinyl chloride.
The invention utilizes the synergistic effect of 2-methoxy-4, 4-diaminobenzil anilide and decanediamine, and utilizes the benzene ring in the 2-methoxy-4, 4-diaminobenzil anilide to form glycidol amine epoxy resin, and the epoxy resin has the advantages of high multi-functionality and epoxy equivalent, large crosslinking density, obviously improved heat resistance and improved toughness and heat resistance of the rubber tube; the aliphatic epoxy resin can be formed by using the decanediamine, and the epoxy resin molecules have high strength, toughness, adhesiveness and good positive and negative temperature resistance, can also increase the number of rubber macromolecular graft compounds, the crosslinking speed and degree of the rubber macromolecules, and can improve the crosslinking speed and crosslinking degree between rubber molecules, thereby improving the connection density and corrosion resistance of the material.
The amine compound is 2-methoxy-4, 4-diaminobenzanilide and/or decanamine; preferably, the amine compound consists of 2-methoxy-4, 4-diaminobenzidine and decamethylene diamine according to the mass ratio of 1 (2-4); further, the amine compound consists of 2-methoxy-4, 4-diaminobenzidine and decamethylene diamine according to a mass ratio of 2:5.
The middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The vulcanization accelerator is at least one of 1, 3-bis (tert-butyl peroxyisopropyl) benzene, tetramethylthiuram disulfide and dibenzothiazyl disulfide.
The adhesive is at least one of polyurethane, adhesive JT-100, adhesive RC and adhesive DH; the antioxidant is at least one of N-phenyl-B-naphthylamine, p-phenylenediamine, 2, 6-tertiary butyl-4-methylphenol, secondary diarylamines and 2,2' -methylenebis (4-methyl-6-nonyl) phenol; the dispersing agent is at least one of sodium vinylbenzene sulfonate, zinc stearate, sodium dodecyl sulfate and 4-methyl-2-amyl alcohol.
The preparation method of the rubber tube suitable for the hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 3-6min at 140-150 ℃; adding calcium-zinc stabilizer, butyl benzyl phthalate and vulcanization accelerator, continuously mixing for 1-4min, discharging rubber at 90-110 ℃, placing on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 8-16h to obtain an inner rubber material for later use;
(2) Adding ethylene propylene diene monomer, chloroprene rubber, polyvinyl chloride, white carbon black, an antioxidant and a dispersing agent into an internal mixer according to parts by weight, and banburying for 3-6min at 140-150 ℃; adding adhesive, butyl benzyl phthalate, zinc oxide, sulfur and vulcanization accelerator, continuously mixing for 1-4min, discharging glue at 90-110 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 8-16h to obtain an external sizing material for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 3-5 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, and extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) Heating the semi-finished product in the step (3) to 130-150 ℃ and preserving heat for 8-20min, then vulcanizing at 140-160 ℃ for 0.5-1.5h, and cooling to obtain the rubber tube suitable for hydraulic transmission under a mine.
The invention has the beneficial effects that: the rubber tube which is suitable for underground hydraulic transmission and is prepared by the invention uses the rubber composition with high mechanical property as the raw material of the inner rubber layer, uses the rubber composition with high mechanical property and corrosion resistance as the raw material of the outer rubber layer, uses the steel wire as the metal braiding layer, increases the mechanical tensile property of the rubber tube, and improves the service life of the rubber tube. The invention provides the rubber tube suitable for the hydraulic transmission under the mine and the preparation method thereof, the raw materials are simple, the production cost is low, and the prepared rubber tube suitable for the hydraulic transmission under the mine not only has good corrosion resistance, but also has excellent mechanical properties, and can meet the use requirements of the rubber tube suitable for the hydraulic transmission under the mine under different environments.
Detailed Description
The above summary of the present invention is described in further detail below in conjunction with the detailed description, but it should not be understood that the scope of the above-described subject matter of the present invention is limited to the following examples.
Introduction of some of the raw materials in this application:
neoprene is purchased from Cheng bang high molecular materials Co., dongguan City, trade mark: a-90.
Thermoplastic styrene elastomer was purchased from Dongguan, ying Xiang Plastic materials Co., ltd., brand: F675.
polylactic acid is purchased from auxiliary Cheng Suhua technology (Shanghai) limited, trade mark: REVODE190.
Kaolin was purchased from Xinzhou Jin Yuangao kaolin products limited, 6000 mesh.
Talcum powder is purchased from the processing factory of macro-moist mineral products in the Ming county of life, 1250 meshes.
Graphene is purchased from Dongguan city welcome new engineering plastic raw material limited company, model: H501.
ethylene propylene diene monomer is purchased from Martini elastomer Co., ltd., model: LEPDM.
Polyvinyl chloride was purchased from Shanghai source leaf Biotechnology Inc., cat#: s51649-250g.
White carbon black is purchased from Shijia Wanzhen chemical industry technology Co., ltd, 200 mesh.
Adhesive RC guangzhou Tian Benfeng rubber limited, cat No.: GT097.
Example 1
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts of ethylene propylene diene monomer, 20 parts of polyvinyl chloride, 30 parts of white carbon black, 2 parts of adhesive RC, 1 part of butyl benzyl phthalate, 1 part of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts of zinc oxide, 1 part of sulfur, 1 part of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part of sodium vinylbenzenesulfonate.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, chloroprene rubber, polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Example 2
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts by weight of ethylene propylene diene monomer, 20 parts by weight of grafted polyvinyl chloride, 30 parts by weight of white carbon black, 2 parts by weight of adhesive RC, 1 part by weight of butyl benzyl phthalate, 1 part by weight of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts by weight of zinc oxide, 1 part by weight of sulfur, 1 part by weight of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part by weight of sodium vinylbenzenesulfonate.
The preparation method of the grafted polyvinyl chloride comprises the following steps: uniformly mixing 1.5 parts by weight of 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, 2 parts by weight of sodium ethoxide, 10 parts by weight of polyvinyl chloride and 100 parts by weight of N, N-dimethylformamide, reacting at 60 ℃ for 4 hours at 600rpm, and then distilling under reduced pressure to remove the N, N-dimethylformamide to obtain grafted polyvinyl chloride.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Example 3
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts by weight of ethylene propylene diene monomer, 20 parts by weight of grafted polyvinyl chloride, 30 parts by weight of white carbon black, 2 parts by weight of adhesive RC, 1 part by weight of butyl benzyl phthalate, 1 part by weight of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts by weight of zinc oxide, 1 part by weight of sulfur, 1 part by weight of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part by weight of sodium vinylbenzenesulfonate.
The preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 1.5 parts by weight of 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, 2 parts by weight of sodium ethoxide, 10 parts by weight of polyvinyl chloride and 100 parts by weight of N, N-dimethylformamide, reacting at 60 ℃ for 4 hours at 600rpm, and then distilling under reduced pressure to remove the N, N-dimethylformamide to obtain pre-grafted polyvinyl chloride;
s2: uniformly mixing 10 parts by weight of 2-methoxy-4, 4-diaminobenzil anilide, 0.2 part by weight of tetrabutylammonium bromide and 120 parts by weight of epoxy bromopropane, reacting for 3 hours at 110 ℃, cooling to 50 ℃, adding 3 parts by weight of sodium hydroxide, and continuing to react for 2 hours at 60 ℃; reduced pressure distillation and drying to obtain an intermediate;
s3: uniformly mixing 8 parts by weight of the pre-grafted polyvinyl chloride, 45 parts by weight of N, N-dimethylformamide, 10 parts by weight of water, 0.07 part by weight of ammonium chloride and 0.5 part by weight of iron powder, reacting for 4 hours at the temperature of 120 ℃, removing the iron powder, adding 1.4 parts by weight of the intermediate and 40 parts by weight of N, N-dimethylformamide, reacting for 6 hours at the temperature of 35 ℃,600 rpm and pH=8, distilling under reduced pressure, and drying to obtain the grafted polyvinyl chloride.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Example 4
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts by weight of ethylene propylene diene monomer, 20 parts by weight of grafted polyvinyl chloride, 30 parts by weight of white carbon black, 2 parts by weight of adhesive RC, 1 part by weight of butyl benzyl phthalate, 1 part by weight of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts by weight of zinc oxide, 1 part by weight of sulfur, 1 part by weight of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part by weight of sodium vinylbenzenesulfonate.
The preparation method of the grafted polyvinyl chloride comprises the following steps:
s1, uniformly mixing 10 parts by weight of 2-methoxy-4, 4-diaminobenzil anilide, 0.2 part by weight of tetrabutylammonium bromide and 120 parts by weight of epoxy bromopropane, reacting for 3 hours at 110 ℃, cooling to 50 ℃, adding 3 parts by weight of sodium hydroxide, and continuously reacting for 2 hours at 60 ℃; reduced pressure distillation and drying to obtain an intermediate;
s2: uniformly mixing 8 parts by weight of polyvinyl chloride, 45 parts by weight of N, N-dimethylformamide, 10 parts by weight of water, 0.07 part by weight of ammonium chloride and 0.5 part by weight of iron powder, reacting for 4 hours at the temperature of 120 ℃, removing the iron powder, adding 1.4 parts by weight of the intermediate and 40 parts by weight of N, N-dimethylformamide, reacting for 6 hours at the temperature of 35 ℃ at 600rpm under the pH=8, distilling under reduced pressure, and drying to obtain grafted polyvinyl chloride.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Example 5
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts by weight of ethylene propylene diene monomer, 20 parts by weight of grafted polyvinyl chloride, 30 parts by weight of white carbon black, 2 parts by weight of adhesive RC, 1 part by weight of butyl benzyl phthalate, 1 part by weight of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts by weight of zinc oxide, 1 part by weight of sulfur, 1 part by weight of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part by weight of sodium vinylbenzenesulfonate.
The preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 1.5 parts by weight of 2-amino-5-nitrobenzenethiol, 2 parts by weight of sodium ethoxide, 10 parts by weight of polyvinyl chloride and 100 parts by weight of N, N-dimethylformamide, reacting at 60 ℃ for 4 hours at 600rpm, and removing the N, N-dimethylformamide by reduced pressure distillation to obtain pre-grafted polyvinyl chloride;
s2: uniformly mixing 10 parts by weight of decamethylene diamine, 0.2 part by weight of tetrabutylammonium bromide and 120 parts by weight of epoxy bromopropane, reacting for 3 hours at 110 ℃, cooling to 50 ℃, adding 3 parts by weight of sodium hydroxide, and continuously reacting for 2 hours at 60 ℃; reduced pressure distillation and drying to obtain an intermediate;
s3: uniformly mixing 8 parts by weight of the pre-grafted polyvinyl chloride, 45 parts by weight of N, N-dimethylformamide, 10 parts by weight of water, 0.07 part by weight of ammonium chloride and 0.5 part by weight of iron powder, reacting for 4 hours at the temperature of 120 ℃, removing the iron powder, adding 1.4 parts by weight of the intermediate and 40 parts by weight of N, N-dimethylformamide, reacting for 6 hours at the temperature of 35 ℃,600 rpm and pH=8, distilling under reduced pressure, and drying to obtain the grafted polyvinyl chloride.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Example 6
The rubber tube suitable for hydraulic transmission under the mine comprises a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the middle glue layer is made of butadiene rubber; the metal braiding layer is formed by winding steel wires.
The inner adhesive layer is composed of the following raw materials in parts by weight: 40 parts of neoprene, 25 parts of thermoplastic styrene elastomer, 15 parts of polylactic acid, 12 parts of simethicone, 20 parts of kaolin, 6 parts of talcum powder, 1 part of sulfur, 2 parts of stearic acid, 3 parts of graphene, 1 part of calcium zinc stabilizer, 1 part of butyl benzyl phthalate and 2 parts of 1, 3-bis (tert-butyl peroxy isopropyl) benzene.
The outer adhesive layer is composed of the following raw materials in parts by weight: 45 parts by weight of ethylene propylene diene monomer, 20 parts by weight of grafted polyvinyl chloride, 30 parts by weight of white carbon black, 2 parts by weight of adhesive RC, 1 part by weight of butyl benzyl phthalate, 1 part by weight of 2,2' -methylenebis (4-methyl-6-nonyl) phenol, 1.5 parts by weight of zinc oxide, 1 part by weight of sulfur, 1 part by weight of 1, 3-bis (tert-butylperoxyisopropyl) benzene and 1 part by weight of sodium vinylbenzenesulfonate.
The preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 1.5 parts by weight of 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, 2 parts by weight of sodium ethoxide, 10 parts by weight of polyvinyl chloride and 100 parts by weight of N, N-dimethylformamide, reacting at 60 ℃ for 4 hours at 600rpm, and then distilling under reduced pressure to remove the N, N-dimethylformamide to obtain pre-grafted polyvinyl chloride;
s2: uniformly mixing 10 parts by weight of an amine compound, 0.2 part by weight of tetrabutylammonium bromide and 120 parts by weight of epoxy bromopropane, reacting for 3 hours at 110 ℃, cooling to 50 ℃, adding 3 parts by weight of sodium hydroxide, and continuously reacting for 2 hours at 60 ℃; reduced pressure distillation and drying to obtain an intermediate; the amide consists of 2-methoxy-4, 4-diaminobenzidine and decamethylene diamine according to a mass ratio of 2:5;
s3: uniformly mixing 8 parts by weight of the pre-grafted polyvinyl chloride, 45 parts by weight of N, N-dimethylformamide, 10 parts by weight of water, 0.07 part by weight of ammonium chloride and 0.5 part by weight of iron powder, reacting for 4 hours at the temperature of 120 ℃, removing the iron powder, adding 1.4 parts by weight of the intermediate and 40 parts by weight of N, N-dimethylformamide, reacting for 6 hours at the temperature of 35 ℃,600 rpm and pH=8, distilling under reduced pressure, and drying to obtain the grafted polyvinyl chloride.
The preparation method of the rubber tube suitable for hydraulic transmission under the mine comprises the following steps:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight, and banburying for 4min at 145 ℃; adding a calcium-zinc stabilizer, butyl benzyl phthalate and 1, 3-bis (tert-butyl peroxyisopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, uniformly dispersing, discharging sheets, and standing for 12h to obtain an inner glue stock for later use;
(2) Ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, 2' -methylenebis (4-methyl-6-nonyl) phenol and sodium vinylbenzene sulfonate are put into an internal mixer according to parts by weight and are internally mixed for 4min at 145 ℃; adding adhesive RC, butyl benzyl phthalate, zinc oxide, sulfur and 1, 3-bis (tert-butyl peroxy isopropyl) benzene, continuously mixing for 2min, discharging glue at 105 ℃, putting on an open mill, passing through a roller for 1 time, wrapping with a triangle for 3 times, rolling for 3 times, discharging sheets after uniform dispersion, and standing for 12h to obtain an external glue stock for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, weaving 4 layers of steel wires on the middle sizing layer to obtain a metal weaving layer, extruding an outer sizing material on the metal weaving layer to obtain a semi-finished product;
(4) And (3) heating the semi-finished product in the step (3) to 140 ℃ and preserving heat for 12min, vulcanizing at 150 ℃ for 1h, and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
Test example 1
Tensile strength test: the external rubber compound obtained in the step (2) in each example was tested with reference to the annular test sample in national standard GB/T528-2009 "determination of tensile stress Strain Properties of vulcanized rubber or thermoplastic rubber", 5 groups of test samples were tested for each group, and the results are shown in Table 1.
Elongation at break test: the external rubber compound obtained in the step (2) in each example was tested with reference to the annular test sample in national standard GB/T528-2009 "determination of tensile stress Strain Properties of vulcanized rubber or thermoplastic rubber", 5 groups of test samples were tested for each group, and the results are shown in Table 1.
TABLE 1 mechanical test results
| Tensile Strength/MPa | Elongation at break/% | |
| Example 1 | 12.6 | 345 |
| Example 2 | 17.2 | 371 |
| Example 3 | 28.6 | 456 |
| Example 4 | 20.1 | 405 |
| Example 5 | 29.1 | 463 |
| Example 6 | 30.5 | 471 |
Test example 2
Acid corrosion resistance test: the hoses for hydraulic transmission under mines prepared in examples 1 to 6 were immersed in 15% hydrochloric acid by mass, and the surface corrosion area was observed and recorded for a period of time exceeding 15%, which indicates that the longer the time was, the better the corrosion resistance was, and the results are shown in table 2.
Alkali resistance and corrosion resistance test: the hoses for hydraulic transmission under mines prepared in examples 1 to 6 were immersed in 15% aqueous sodium hydroxide solution by mass, and the surface corrosion area was observed and recorded for a period of time exceeding 15%, which indicates that the longer the time, the better the corrosion resistance, and the results are shown in table 2.
TABLE 2 Corrosion resistance test results
| Acid corrosion resistance time/h | Alkali corrosion resistance time/h | |
| Example 1 | 186 | 172 |
| Example 2 | 215 | 198 |
| Example 3 | 268 | 247 |
| Example 4 | 251 | 235 |
| Example 5 | 273 | 253 |
| Example 6 | 283 | 261 |
From the results, the rubber pipe which is suitable for underground hydraulic transmission and prepared by the invention has good mechanical property and corrosion resistance. From example 3, it can be seen that the mechanical property and corrosion resistance of the rubber pipe can be effectively improved by adopting grafted polyvinyl chloride, because the grafted polyvinyl chloride has a more stable structure, and the strength, toughness and tensile property are effectively improved; the glycidyl amine epoxy resin is adopted to graft the polyvinyl chloride, so that the crosslinking density, heat resistance and adhesive force of the grafted polyvinyl chloride can be improved, the intermolecular gap is increased, the compaction density of the filler in the material is increased, the toughness of the material is further increased, the introduced epoxy resin can improve the corrosion resistance of the material, and finally the mechanical property and the corrosion resistance of the rubber tube are improved. Example 6 utilizes the synergistic effect of 2-methoxy-4, 4-diaminobenzil anilide and decanediamine, and utilizes the benzene ring in 2-methoxy-4, 4-diaminobenzil anilide to form glycidol amine epoxy resin, which has the advantages of high multi-functionality, high epoxy equivalent, high crosslinking density, remarkably improved heat resistance and improved toughness and heat resistance of rubber pipes; the aliphatic epoxy resin can be formed by using the decanediamine, and the epoxy resin molecules have high strength, toughness, adhesiveness and good positive and negative temperature resistance, can also increase the number of rubber macromolecular graft compounds, the crosslinking speed and degree of the rubber macromolecules, and can improve the crosslinking speed and crosslinking degree between rubber molecules, thereby improving the connection density, mechanical property and corrosion resistance of the material.
Claims (5)
1. The rubber hose is characterized by comprising a composite layer, an inner rubber layer arranged on the inner side of the composite layer and an outer rubber layer arranged on the outer side of the composite layer, wherein the composite layer comprises a middle rubber layer and a metal braiding layer; the middle adhesive layer is compounded on the inner adhesive layer; the metal braiding layer is compounded on the middle adhesive layer; the outer adhesive layer is compounded on the metal braiding layer; the inner adhesive layer is composed of the following raw materials in parts by weight: 30-60 parts of neoprene, 10-40 parts of thermoplastic styrene elastomer, 5-20 parts of polylactic acid, 8-20 parts of simethicone, 10-30 parts of kaolin, 3-10 parts of talcum powder, 0.5-2 parts of sulfur, 1-3 parts of stearic acid, 1-5 parts of graphene, 0.5-2 parts of calcium-zinc stabilizer, 0.5-2 parts of butyl benzyl phthalate and 1-3 parts of vulcanization accelerator;
the outer adhesive layer is composed of the following raw materials in parts by weight: 30-60 parts of ethylene propylene diene monomer, 10-40 parts of grafted polyvinyl chloride, 20-40 parts of white carbon black, 2-3 parts of adhesive, 0.5-2 parts of butyl benzyl phthalate, 0.5-2 parts of antioxidant, 1-3 parts of zinc oxide, 0.5-2 parts of sulfur, 0.5-2 parts of vulcanization accelerator and 0.5-2 parts of dispersing agent;
the preparation method of the grafted polyvinyl chloride comprises the following steps:
s1: uniformly mixing 4-propenyl-5- (3-nitrophenyl) -4H-1,2, 4-thiazole-3-mercaptan, sodium ethoxide, polyvinyl chloride and N, N-dimethylformamide for reaction to obtain pre-grafted polyvinyl chloride;
s2: mixing the amide, tetrabutylammonium bromide and epoxybromopropane for reaction, cooling, and then adding sodium hydroxide for continuous reaction; obtaining an intermediate; the amine compound is 2-methoxy-4, 4-diaminobenzanilide and/or decanamine;
s3: mixing the pre-grafted polyvinyl chloride, N-dimethylformamide, water, ammonium chloride and iron powder for reaction, removing the iron powder, and adding the intermediate and the N, N-dimethylformamide for reaction to obtain the grafted polyvinyl chloride.
2. The hose for hydraulic transmission under a mine as claimed in claim 1, wherein the raw material of the middle rubber layer is butadiene rubber; the metal braiding layer is formed by winding steel wires.
3. The hose for an underground hydraulic drive according to claim 1, wherein the vulcanization accelerator is at least one of 1, 3-bis (t-butylperoxyisopropyl) benzene, tetramethylthiuram disulfide, dibenzothiazyl disulfide.
4. The hose for hydraulic transmission under a mine according to claim 1, wherein the adhesive is at least one of polyurethane, adhesive JT-100, adhesive RC, adhesive DH; the antioxidant is at least one of N-phenyl-B-naphthylamine, p-phenylenediamine, 2, 6-tertiary butyl-4-methylphenol, secondary diarylamines and 2,2' -methylenebis (4-methyl-6-nonyl) phenol; the dispersing agent is at least one of sodium vinylbenzene sulfonate, zinc stearate, sodium dodecyl sulfate and 4-methyl-2-amyl alcohol.
5. A method of making a hose suitable for use in an underground hydraulic transmission according to any one of claims 1 to 4, comprising the steps of:
(1) Adding chloroprene rubber, thermoplastic styrene elastomer, polylactic acid, dimethyl silicone oil, kaolin, talcum powder, sulfur, stearic acid and graphene into an internal mixer according to parts by weight for banburying; adding a calcium-zinc stabilizer, butyl benzyl phthalate and a vulcanization accelerator, continuously mixing, and discharging rubber to obtain an inner rubber material for later use;
(2) Adding ethylene propylene diene monomer, grafted polyvinyl chloride, white carbon black, an antioxidant and a dispersing agent into an internal mixer according to parts by weight for banburying; adding adhesive, butyl benzyl phthalate, zinc oxide, sulfur and vulcanization accelerator, continuously mixing, and discharging rubber to obtain external rubber material for later use;
(3) Sequentially extruding an inner sizing material to obtain an inner sizing layer, extruding a middle sizing layer on the inner sizing layer, braiding steel wires on the middle sizing layer to obtain a metal braiding layer, and extruding an outer sizing material on the metal braiding layer to obtain a semi-finished product;
(4) And (3) vulcanizing the semi-finished product in the step (3), and cooling to obtain the rubber tube suitable for hydraulic transmission under the mine.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894289A (en) * | 1986-10-30 | 1990-01-16 | Mitsui Petrochemical Industries, Ltd. | Laminate and molded article prepared therefrom |
| 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 |
| CN106117850A (en) * | 2016-08-17 | 2016-11-16 | 上海群力橡塑制品有限公司 | A kind of automotive hose rubber and preparation method, automotive hose |
| CN108641019A (en) * | 2018-05-09 | 2018-10-12 | 中国林业科学研究院林产化学工业研究所 | A kind of polyvinyl chloride comb-shaped polymer and its preparation method and application that abietyl is Thiolation |
| CN110437539A (en) * | 2019-09-02 | 2019-11-12 | 万华化学（宁波）有限公司 | A kind of modified chlorinated graphene and high melt strength polypropylene material |
| CN111205526A (en) * | 2020-03-03 | 2020-05-29 | 湖南昶力轨道交通设备有限公司 | Corrosion-resistant wear-resistant nitrile rubber blend and preparation method and application thereof |
| CN112334500A (en) * | 2018-08-10 | 2021-02-05 | 株式会社大阪曹達 | Acrylic copolymer and rubber material |
-
2022
- 2022-07-21 CN CN202210865521.8A patent/CN115322461B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4894289A (en) * | 1986-10-30 | 1990-01-16 | Mitsui Petrochemical Industries, Ltd. | Laminate and molded article prepared therefrom |
| 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 |
| CN106117850A (en) * | 2016-08-17 | 2016-11-16 | 上海群力橡塑制品有限公司 | A kind of automotive hose rubber and preparation method, automotive hose |
| CN108641019A (en) * | 2018-05-09 | 2018-10-12 | 中国林业科学研究院林产化学工业研究所 | A kind of polyvinyl chloride comb-shaped polymer and its preparation method and application that abietyl is Thiolation |
| CN112334500A (en) * | 2018-08-10 | 2021-02-05 | 株式会社大阪曹達 | Acrylic copolymer and rubber material |
| CN110437539A (en) * | 2019-09-02 | 2019-11-12 | 万华化学（宁波）有限公司 | A kind of modified chlorinated graphene and high melt strength polypropylene material |
| CN111205526A (en) * | 2020-03-03 | 2020-05-29 | 湖南昶力轨道交通设备有限公司 | Corrosion-resistant wear-resistant nitrile rubber blend and preparation method and application thereof |
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