CN108948532A - A kind of preparation method of elastomer hose - Google Patents

A kind of preparation method of elastomer hose Download PDF

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Publication number
CN108948532A
CN108948532A CN201810820026.9A CN201810820026A CN108948532A CN 108948532 A CN108948532 A CN 108948532A CN 201810820026 A CN201810820026 A CN 201810820026A CN 108948532 A CN108948532 A CN 108948532A
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parts
added
obtains
extruder
mixed liquor
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张新华
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Suzhou Wan Ya Hose Plastic Industry Co Ltd
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Suzhou Wan Ya Hose Plastic Industry Co Ltd
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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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009—Sulfides
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer

Abstract

The invention discloses a kind of preparation method of elastomer hose, this method is heated up after mixing molybdenum disulfide, strontium titanates, zinc dialkyl dithiophosphate with distilled water, and triphenyl phosphite insulated and stirred is added and obtains primary mixed liquor；It is mixed polypropylene, thermoplastic polyurethane elastomer, three hydroxy stearic acid ester of glycerol, polyethylene terephthalate high temperature to obtain primary reaction material；Polyimide fiber is added in primary mixed liquor and adds paraffin progress ultrasonic disperse after mixing evenly, obtains second level mixed liquor；Then primary reaction material and second level mixed liquor are subjected to vacuum kneading; pelletizer is added in vacuum kneading blank and stabilizer, plasticizer, antistatic agent jointly again to be granulated; then put into the barrel of extruder; injection molding machine is put into after extruder squeezes out and carries out injection molding, obtains finished plastic hose.The elastomer hose being prepared, resistance elastic deformability is strong, has a good application prospect in water supply and sewage work.

Description

A kind of preparation method of elastomer hose
Technical field
The present invention relates to plastic flexible pipe manufacturing technology fields, and in particular to a kind of preparation method of elastomer hose.
Background technique
Plastic pipe has that light weight, intensity are high, manufacturing method is simple, economic cost is cheap, processing is easy to use, corrosion resistant Erosion, the advantages that service life is long, gradually replace the tubing such as metal, cement, become urban construction, Rural Water net laying is set, electrical communications etc. The main of field applies tubing.As an important component in new chemical materials field, the research and development of modified plastics tubing Have become one of the sciemtifec and technical sphere given priority to.In the past in plastic flexible pipe market, main material to be applied is polyvinyl chloride tree Rouge and rubber material, with the development of plastics technology and process equipment, polyethylene (PE), thermoplastic elastomer (TPE) (TPES), thermoplastic Property polyurethane (TPUS), thermoplastic polyolefin (TPOS) and thermoplastic alloy material (TPVS) largely occur as material of new generation In plastic flexible pipe market.The processing performance of these new materials is more superior, shows good alternative, current some high property The thermoplastic elastomer (TPE) and nylon of energy have captured the very big market share due to the excellent ratio of performance to price in the market, show Good technical advance is shown.But the plastic flexible pipe that above-mentioned new material is process remains on elastic properties of materials Deficiency, just to the plastic flexible pipe of above-mentioned material, further applying in water supply and sewage work brings influence for this.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method of elastomer hose, this method be by Molybdenum disulfide, strontium titanates, zinc dialkyl dithiophosphate heat up after mixing with distilled water, and triphenyl phosphite insulated and stirred is added Obtain primary mixed liquor；By polypropylene, thermoplastic polyurethane elastomer, three hydroxy stearic acid ester of glycerol, poly terephthalic acid second two Ester high temperature is mixed to obtain primary reaction material；Polyimide fiber is added in primary mixed liquor and is added again after mixing evenly Enter paraffin and carry out ultrasonic disperse, obtains second level mixed liquor；Then primary reaction material and second level mixed liquor are subjected to vacuum kneading, then Pelletizer is added in vacuum kneading blank and stabilizer, plasticizer, antistatic agent to be granulated jointly, then puts into the material of extruder In cylinder, injection molding machine is put into after extruder squeezes out and carries out injection molding, obtains finished plastic hose.The high resiliency modeling being prepared Expect hose, resistance elastic deformability is strong, has a good application prospect in water supply and sewage work.
Technical solution: to solve the above-mentioned problems, the invention discloses a kind of preparation method of elastomer hose, by Following steps composition:
(1) it by 6~8 parts of molybdenum disulfide, 3~5 parts of strontium titanates, 2~4 parts of zinc dialkyl dithiophosphate mixing, is added mixed The distilled water for closing 80~120 times of weight of material, stirs evenly, then mixed liquor is warming up to 75~85 DEG C, is added into mixed liquor sub- 12~14 parts of triphenyl phosphate, insulated and stirred 15~20 minutes, obtain primary mixed liquor；
(2) by 60~70 parts of polypropylene, 35~45 parts of thermoplastic polyurethane elastomer, three hydroxy stearic acid ester 20~25 of glycerol Part, in 16~18 parts of investment blenders of polyethylene terephthalate, blender temperature is promoted to 90~100 DEG C, and It is stirred 30~40 minutes at a temperature of this according to 200~220 revs/min of speed, obtains primary reaction material；
(3) 8~10 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again 5~9 parts of paraffin are added into mixed liquor, according to the frequency of 20~30kHz, power ultrasonic disperse 15~20 minutes of 40~50W, Obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 20~30 points according to 180~200 revs/min of speed at 120~130 DEG C to 0.01~0.02MPa Clock is cooled to 80~90 DEG C, is added 8~12 parts of epoxidized soybean oil, keeps the temperature 8~10 minutes after mixing evenly, obtains vacuum kneading Blank；
(5) 2~4 parts of the vacuum kneading blank for obtaining step (4) and stabilizer, 2~4 parts of plasticizer, antistatic agent 2~ 4 parts common to be added in pelletizers, when by vacuum kneading blank heating to 130~140 DEG C, is granulated, after being cooled to room temperature The plastic hose grain material for being 2~4 millimeters to partial size；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, squeezes out, obtains through extruder To plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, obtain finished plastic Hose.
Further, the stabilizer in the step (5) is selected from Dythal, cuprous iodide, maleic Any one in dicarboxylic anhydride.
Further, it is sweet to be selected from polyethylene glycol, tricresyl phosphate, tri trimellitate for the plasticizer in the step (5) Any one in grease.
Further, the antistatic agent in the step (5) is selected from erucyl amide, ethylene glycol lauric amide, octadecane Any one in base diethanol amine.
Further, when plastic hose grain material is squeezed out through extruder in the step (6), control extruder is fed Duan Wen Degree is 105~115 DEG C, and extruder compression section temperature is 125~135 DEG C, and extruder metering section temperature is 145~155 DEG C, is squeezed out Machine die temperature is 160~170 DEG C, and the screw speed of extruder is 50~60 revs/min.
Further, when plastic flexible pipe extruded stock carries out injection molding by injection molding machine in the step (7), control injection molding Machine bringing-up section temperature is 230~240 DEG C, and compression section temperature is 250~270 DEG C, and homogenizing zone temperature is 260~280 DEG C, nozzle temperature 260~270 DEG C, 45~55MPa of operating pressure of degree, 60~70 meter per second of injection speed, injection time 0.2~0.3 second.
Compared with prior art, the present invention has the advantages that:
(1) preparation method of elastomer hose of the invention is by molybdenum disulfide, strontium titanates, dialkyl dithio phosphorus Sour zinc heats up after mixing with distilled water, and triphenyl phosphite insulated and stirred is added and obtains primary mixed liquor；By polypropylene, thermoplasticity Polyurethane elastomer, three hydroxy stearic acid ester of glycerol, polyethylene terephthalate high temperature are mixed to obtain primary reaction material； Polyimide fiber is added in primary mixed liquor and adds paraffin progress ultrasonic disperse after mixing evenly, obtains second level mixing Liquid；Then primary reaction material and second level mixed liquor are subjected to vacuum kneading, then by vacuum kneading blank and stabilizer, plasticizer, Pelletizer granulation is added in antistatic agent jointly, then puts into the barrel of extruder, puts into injection molding machine after extruder squeezes out Injection molding is carried out, finished plastic hose is obtained.The elastomer hose being prepared, resistance elastic deformability is strong, It has a good application prospect in water supply and sewage work.
(2) present invention employs thermoplastic polyurethane elastomer, three hydroxy stearic acid ester of glycerol, polyethylene terephthalate The raw materials participation such as ester prepares elastomer hose, has carried out effective performance boost to elastomer hose, although these Material is not applied in elastomer hose for the first time, but amount is aided with accordingly with after other material combinations according to a certain ratio Modification mode, bring increasing substantially in service performance to the elastomer hose being finally prepared, this It is never to report in previous research, for realizing that it is conclusive that technical effect of the invention plays the role of.
Specific embodiment
Embodiment 1
(1) by 6 parts of molybdenum disulfide, 3 parts of strontium titanates, 2 parts of zinc dialkyl dithiophosphate mixing, mixture weight 80 is added Distilled water again, stirs evenly, then mixed liquor is warming up to 75 DEG C, 12 parts of triphenyl phosphite is added into mixed liquor, heat preservation Stirring 15 minutes, obtains primary mixed liquor；
(2) by 60 parts of polypropylene, 35 parts of thermoplastic polyurethane elastomer, 20 parts of three hydroxy stearic acid ester of glycerol, poly- to benzene two In 16 parts of investment blenders of formic acid glycol ester, blender temperature is promoted to 90 DEG C, and at this temperature according to 200 revs/min The speed of clock stirs 30 minutes, obtains primary reaction material；
(3) 8 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 5 parts of paraffin is added in liquid, according to the frequency of 20kHz, power ultrasonic disperse 15 minutes of 40W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 20 minutes according to 180 revs/min of speed at 120 DEG C to 0.01MPa, is cooled to 80 DEG C, epoxy is added 8 parts of soybean oil, 8 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 2 parts of Dythal, 2 parts of polyethylene glycol, mustard 2 parts of sour amide is common to be added in pelletizers, when by vacuum kneading blank heating to 130 DEG C, is granulated, after being cooled to room temperature The plastic hose grain material for being 2 millimeters to partial size；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 105 DEG C, and extruder compression section temperature is 125 DEG C, and extruder metering section temperature is 145 DEG C, and extruder die temperature is 160 DEG C, the screw speed of extruder is 50 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 230 DEG C, compression section temperature be 250 DEG C, homogenizing zone temperature be 260 DEG C, 260 DEG C of nozzle temperature, operating pressure 45MPa, 60 meter per second of injection speed injection time 0.2 second, obtain finished plastic hose.
Embodiment 2
(1) by 7 parts of molybdenum disulfide, 4 parts of strontium titanates, 3 parts of zinc dialkyl dithiophosphate mixing, mixture weight is added 100 times of distilled water, stirs evenly, then mixed liquor is warming up to 80 DEG C, and 13 parts of triphenyl phosphite are added into mixed liquor, protects Temperature stirring 18 minutes, obtains primary mixed liquor；
(2) by 65 parts of polypropylene, 40 parts of thermoplastic polyurethane elastomer, 22 parts of three hydroxy stearic acid ester of glycerol, poly- to benzene two In 17 parts of investment blenders of formic acid glycol ester, blender temperature is promoted to 95 DEG C, and at this temperature according to 210 revs/min The speed of clock stirs 35 minutes, obtains primary reaction material；
(3) 9 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 7 parts of paraffin is added in liquid, according to the frequency of 25kHz, power ultrasonic disperse 18 minutes of 45W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 25 minutes according to 190 revs/min of speed at 125 DEG C to 0.015MPa, is cooled to 85 DEG C, ring is added 10 parts of oxygen soybean oil, 9 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 3 parts of cuprous iodide, 3 parts of tricresyl phosphate, the ethylene glycol moon 3 parts of cinnamic acid amide is common to be added in pelletizers, when by vacuum kneading blank heating to 135 DEG C, is granulated, after being cooled to room temperature Obtain the plastic hose grain material that partial size is 3 millimeters；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 110 DEG C, and extruder compression section temperature is 130 DEG C, and extruder metering section temperature is 150 DEG C, and extruder die temperature is 165 DEG C, the screw speed of extruder is 55 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 235 DEG C, compression section temperature be 260 DEG C, homogenizing zone temperature be 270 DEG C, 265 DEG C of nozzle temperature, operating pressure 50MPa, 65 meter per second of injection speed injection time 0.25 second, obtain finished plastic hose.
Embodiment 3
(1) by 8 parts of molybdenum disulfide, 5 parts of strontium titanates, 4 parts of zinc dialkyl dithiophosphate mixing, mixture weight is added 120 times of distilled water, stirs evenly, then mixed liquor is warming up to 85 DEG C, and 14 parts of triphenyl phosphite are added into mixed liquor, protects Temperature stirring 20 minutes, obtains primary mixed liquor；
(2) by 70 parts of polypropylene, 45 parts of thermoplastic polyurethane elastomer, 25 parts of three hydroxy stearic acid ester of glycerol, poly- to benzene two In 18 parts of investment blenders of formic acid glycol ester, blender temperature is promoted to 100 DEG C, and at this temperature according to 220 revs/min The speed of clock stirs 40 minutes, obtains primary reaction material；
(3) 10 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 9 parts of paraffin is added in liquid, according to the frequency of 30kHz, power ultrasonic disperse 20 minutes of 50W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 30 minutes according to 200 revs/min of speed at 130 DEG C to 0.02MPa, is cooled to 90 DEG C, epoxy is added 12 parts of soybean oil, 10 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) 4 parts of the vacuum kneading blank for obtaining step (4) and maleic anhydride, 4 parts of trimellitic acid glyceryl ester, 4 parts of octadecyldiethanol amine is common to be added in pelletizers, when by vacuum kneading blank heating to 140 DEG C, is granulated, cooling The plastic hose grain material that partial size is 4 millimeters is obtained after to room temperature；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 115 DEG C, and extruder compression section temperature is 135 DEG C, and extruder metering section temperature is 155 DEG C, and extruder die temperature is 170 DEG C, the screw speed of extruder is 60 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 240 DEG C, compression section temperature be 270 DEG C, homogenizing zone temperature be 280 DEG C, 270 DEG C of nozzle temperature, operating pressure 55MPa, 70 meter per second of injection speed injection time 0.3 second, obtain finished plastic hose.
Comparative example 1
(1) by 7 parts of molybdenum disulfide, 4 parts of strontium titanates, 3 parts of zinc dialkyl dithiophosphate mixing, mixture weight is added 100 times of distilled water, stirs evenly, then mixed liquor is warming up to 80 DEG C, and 13 parts of triphenyl phosphite are added into mixed liquor, protects Temperature stirring 18 minutes, obtains primary mixed liquor；
(2) by 17 parts of 65 parts of polypropylene, 22 parts of three hydroxy stearic acid ester of glycerol, polyethylene terephthalate investment spices In machine, blender temperature is promoted to 95 DEG C, and is stirred 35 minutes according to 210 revs/min of speed at this temperature, is obtained just Order reaction material；
(3) 9 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 7 parts of paraffin is added in liquid, according to the frequency of 25kHz, power ultrasonic disperse 18 minutes of 45W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 25 minutes according to 190 revs/min of speed at 125 DEG C to 0.015MPa, is cooled to 85 DEG C, ring is added 10 parts of oxygen soybean oil, 9 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 3 parts of cuprous iodide, 3 parts of tricresyl phosphate, the ethylene glycol moon 3 parts of cinnamic acid amide is common to be added in pelletizers, when by vacuum kneading blank heating to 135 DEG C, is granulated, after being cooled to room temperature Obtain the plastic hose grain material that partial size is 3 millimeters；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 110 DEG C, and extruder compression section temperature is 130 DEG C, and extruder metering section temperature is 150 DEG C, and extruder die temperature is 165 DEG C, the screw speed of extruder is 55 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 235 DEG C, compression section temperature be 260 DEG C, homogenizing zone temperature be 270 DEG C, 265 DEG C of nozzle temperature, operating pressure 50MPa, 65 meter per second of injection speed injection time 0.25 second, obtain finished plastic hose.
Comparative example 2
(1) by 7 parts of molybdenum disulfide, 4 parts of strontium titanates, 3 parts of zinc dialkyl dithiophosphate mixing, mixture weight is added 100 times of distilled water, stirs evenly, then mixed liquor is warming up to 80 DEG C, and 13 parts of triphenyl phosphite are added into mixed liquor, protects Temperature stirring 18 minutes, obtains primary mixed liquor；
(2) 17 parts of 65 parts of polypropylene, 40 parts of thermoplastic polyurethane elastomer, polyethylene terephthalate investments are mixed In material machine, blender temperature is promoted to 95 DEG C, and is stirred 35 minutes according to 210 revs/min of speed at this temperature, is obtained Primary reaction material；
(3) 9 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 7 parts of paraffin is added in liquid, according to the frequency of 25kHz, power ultrasonic disperse 18 minutes of 45W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 25 minutes according to 190 revs/min of speed at 125 DEG C to 0.015MPa, is cooled to 85 DEG C, ring is added 10 parts of oxygen soybean oil, 9 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 3 parts of cuprous iodide, 3 parts of tricresyl phosphate, the ethylene glycol moon 3 parts of cinnamic acid amide is common to be added in pelletizers, when by vacuum kneading blank heating to 135 DEG C, is granulated, after being cooled to room temperature Obtain the plastic hose grain material that partial size is 3 millimeters；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 110 DEG C, and extruder compression section temperature is 130 DEG C, and extruder metering section temperature is 150 DEG C, and extruder die temperature is 165 DEG C, the screw speed of extruder is 55 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 235 DEG C, compression section temperature be 260 DEG C, homogenizing zone temperature be 270 DEG C, 265 DEG C of nozzle temperature, operating pressure 50MPa, 65 meter per second of injection speed injection time 0.25 second, obtain finished plastic hose.
Comparative example 3
(1) by 7 parts of molybdenum disulfide, 4 parts of strontium titanates, 3 parts of zinc dialkyl dithiophosphate mixing, mixture weight is added 100 times of distilled water, stirs evenly, then mixed liquor is warming up to 80 DEG C, and 13 parts of triphenyl phosphite are added into mixed liquor, protects Temperature stirring 18 minutes, obtains primary mixed liquor；
(2) by 65 parts of polypropylene, 40 parts of thermoplastic polyurethane elastomer, three hydroxy stearic acid ester of glycerol, 22 parts of investment blenders In, blender temperature is promoted to 95 DEG C, and stir 35 minutes according to 210 revs/min of speed at this temperature, obtains primary Reaction material；
(3) 9 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 7 parts of paraffin is added in liquid, according to the frequency of 25kHz, power ultrasonic disperse 18 minutes of 45W, obtain second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are taken out Vacuum is stirred to react 25 minutes according to 190 revs/min of speed at 125 DEG C to 0.015MPa, is cooled to 85 DEG C, ring is added 10 parts of oxygen soybean oil, 9 minutes are kept the temperature after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 3 parts of cuprous iodide, 3 parts of tricresyl phosphate, the ethylene glycol moon 3 parts of cinnamic acid amide is common to be added in pelletizers, when by vacuum kneading blank heating to 135 DEG C, is granulated, after being cooled to room temperature Obtain the plastic hose grain material that partial size is 3 millimeters；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, control extruder is fed section Temperature is 110 DEG C, and extruder compression section temperature is 130 DEG C, and extruder metering section temperature is 150 DEG C, and extruder die temperature is 165 DEG C, the screw speed of extruder is 55 revs/min, squeezes out through extruder, obtains plastic flexible pipe extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, control injection molding machine adds Hot arc temperature be 235 DEG C, compression section temperature be 260 DEG C, homogenizing zone temperature be 270 DEG C, 265 DEG C of nozzle temperature, operating pressure 50MPa, 65 meter per second of injection speed injection time 0.25 second, obtain finished plastic hose.
By the elastomer hose obtained of embodiment 1-3 and comparative example 1-3 respectively according to GB/T 14694-1993's Test method carries out the measurement of elasticity modulus, and test result is as shown in table 1.
Table 1
The preparation method of elastomer hose of the invention is by molybdenum disulfide, strontium titanates, dialkyl dithiophosphoric acid Zinc heats up after mixing with distilled water, and triphenyl phosphite insulated and stirred is added and obtains primary mixed liquor；By polypropylene, thermoplastic poly Urethane elastomer, three hydroxy stearic acid ester of glycerol, polyethylene terephthalate high temperature are mixed to obtain primary reaction material；It will Polyimide fiber is added in primary mixed liquor adds paraffin progress ultrasonic disperse after mixing evenly, obtains second level mixing Liquid；Then primary reaction material and second level mixed liquor are subjected to vacuum kneading, then by vacuum kneading blank and stabilizer, plasticizer, Pelletizer granulation is added in antistatic agent jointly, then puts into the barrel of extruder, puts into injection molding machine after extruder squeezes out Injection molding is carried out, finished plastic hose is obtained.The elastomer hose being prepared, resistance elastic deformability is strong, It has a good application prospect in water supply and sewage work.Also, present invention employs thermoplastic polyurethane elastomer, three hydroxyl of glycerol The raw materials participation such as stearate, polyethylene terephthalate prepares elastomer hose, to elastomer hose into Effective performance boost is gone, although these materials are not applied in elastomer hose for the first time, according to a certain ratio Amount is aided with corresponding modification mode with after other material combinations, comes to the elastomer hose strap being finally prepared Increasing substantially in service performance, this is never to report in previous research, for realizing technology of the invention Effect plays the role of conclusive.

Claims (6)

1. a kind of preparation method of elastomer hose, which is characterized in that comprise the steps of:
(1) by 6~8 parts of molybdenum disulfide, 3~5 parts of strontium titanates, 2~4 parts of zinc dialkyl dithiophosphate mixing, mixture is added The distilled water that 80~120 times of weight, stirs evenly, then mixed liquor is warming up to 75~85 DEG C, and phosphorous acid is added into mixed liquor 12~14 parts of triphenylmethyl methacrylate, insulated and stirred 15~20 minutes, obtain primary mixed liquor；
(2) by 60~70 parts of polypropylene, 35~45 parts of thermoplastic polyurethane elastomer, 20~25 parts of three hydroxy stearic acid ester of glycerol, In 16~18 parts of investment blenders of polyethylene terephthalate, blender temperature is promoted to 90~100 DEG C, and warm herein It is stirred 30~40 minutes under degree according to 200~220 revs/min of speed, obtains primary reaction material；
(3) 8~10 parts of polyimide fiber are added in the resulting primary mixed liquor of step (1), after mixing evenly again to mixed It closes and 5~9 parts of paraffin is added in liquid, according to the frequency of 20~30kHz, power ultrasonic disperse 15~20 minutes of 40~50W, obtain Second level mixed liquor；
(4) the primary reaction material that step (2) obtains and the second level mixed liquor that step (3) obtains are added in smelting furnace, are vacuumized It to 0.01~0.02MPa, is stirred to react 20~30 minutes, drops according to 180~200 revs/min of speed at 120~130 DEG C Temperature is added 8~12 parts of epoxidized soybean oil to 80~90 DEG C, keeps the temperature 8~10 minutes after mixing evenly, obtains vacuum kneading blank；
(5) the vacuum kneading blank for obtaining step (4) and 2~4 parts of stabilizer, 2~4 parts of plasticizer, 2~4 parts of antistatic agent It is common to be added in pelletizer, when by vacuum kneading blank heating to 130~140 DEG C, it is granulated, obtains grain after being cooled to room temperature The plastic hose grain material that diameter is 2~4 millimeters；
(6) the plastic hose grain material that step (5) obtains is put into the barrel of extruder, squeezes out, is moulded through extruder Expect hose extruded stock；
(7) the plastic flexible pipe extruded stock that step (6) obtains is put into injection molding machine and carries out injection molding, it is soft to obtain finished plastic Pipe.
2. the preparation method of elastomer hose according to claim 1, which is characterized in that in the step (5) Any one of stabilizer in Dythal, cuprous iodide, maleic anhydride.
3. the preparation method of elastomer hose according to claim 1, which is characterized in that in the step (5) Any one of plasticizer in polyethylene glycol, tricresyl phosphate, trimellitic acid glyceryl ester.
4. the preparation method of elastomer hose according to claim 1, which is characterized in that in the step (5) Any one of antistatic agent in erucyl amide, ethylene glycol lauric amide, octadecyldiethanol amine.
5. the preparation method of elastomer hose according to claim 1, which is characterized in that modeling in the step (6) When material hose particulate material is squeezed out through extruder, control extruder feed section temperature is 105~115 DEG C, extruder compression section temperature It is 125~135 DEG C, extruder metering section temperature is 145~155 DEG C, and extruder die temperature is 160~170 DEG C, extruder Screw speed is 50~60 revs/min.
6. the preparation method of elastomer hose according to claim 1, which is characterized in that modeling in the step (7) When expecting that hose extruded stock carries out injection molding by injection molding machine, control injection molding machine bringing-up section temperature is 230~240 DEG C, compression section Temperature be 250~270 DEG C, homogenizing zone temperature be 260~280 DEG C, 260~270 DEG C of nozzle temperature, 45~55MPa of operating pressure, 60~70 meter per second of injection speed, injection time 0.2~0.3 second.
CN201810820026.9A 2018-07-24 2018-07-24 A kind of preparation method of elastomer hose Withdrawn CN108948532A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575448A (en) * 2008-05-08 2009-11-11 三星电子株式会社 Novel thermoplastic elastomer-resin alloy composition and preparation method thereof
CN102964734A (en) * 2012-12-06 2013-03-13 青岛鑫万通塑业发展有限公司 Environment-friendly low-temperature-resistant PVC (polyvinyl chloride) hose

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575448A (en) * 2008-05-08 2009-11-11 三星电子株式会社 Novel thermoplastic elastomer-resin alloy composition and preparation method thereof
CN102964734A (en) * 2012-12-06 2013-03-13 青岛鑫万通塑业发展有限公司 Environment-friendly low-temperature-resistant PVC (polyvinyl chloride) hose

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