CN104633307A - PE composite pipeline and preparation method thereof - Google Patents
PE composite pipeline and preparation method thereof Download PDFInfo
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- CN104633307A CN104633307A CN201410752257.2A CN201410752257A CN104633307A CN 104633307 A CN104633307 A CN 104633307A CN 201410752257 A CN201410752257 A CN 201410752257A CN 104633307 A CN104633307 A CN 104633307A
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- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- -1 alkyl phosphoric acid Chemical compound 0.000 claims abstract description 38
- 239000004698 Polyethylene Substances 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims abstract description 12
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- 239000004793 Polystyrene Substances 0.000 claims abstract description 6
- 239000005083 Zinc sulfide Substances 0.000 claims abstract description 6
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims abstract description 6
- 235000013539 calcium stearate Nutrition 0.000 claims abstract description 6
- 239000008116 calcium stearate Substances 0.000 claims abstract description 6
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 6
- 229920002223 polystyrene Polymers 0.000 claims abstract description 6
- 235000010234 sodium benzoate Nutrition 0.000 claims abstract description 6
- 239000004299 sodium benzoate Substances 0.000 claims abstract description 6
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims abstract description 6
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 239000012752 auxiliary agent Substances 0.000 claims description 23
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 20
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 11
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 239000005711 Benzoic acid Substances 0.000 claims description 10
- 235000010233 benzoic acid Nutrition 0.000 claims description 10
- 239000006229 carbon black Substances 0.000 claims description 10
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 10
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims description 10
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 claims description 10
- 235000010235 potassium benzoate Nutrition 0.000 claims description 10
- 239000004300 potassium benzoate Substances 0.000 claims description 10
- 229940103091 potassium benzoate Drugs 0.000 claims description 10
- 239000008188 pellet Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- SPTHWAJJMLCAQF-UHFFFAOYSA-N 1,2-di(propan-2-yl)benzene;hydrogen peroxide Chemical compound OO.CC(C)C1=CC=CC=C1C(C)C SPTHWAJJMLCAQF-UHFFFAOYSA-N 0.000 claims description 5
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004809 Teflon Substances 0.000 claims description 5
- 229920006362 Teflon® Polymers 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- 125000005375 organosiloxane group Chemical group 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 239000011574 phosphorus Substances 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 229920000137 polyphosphoric acid Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 3
- 230000003179 granulation Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000004114 Ammonium polyphosphate Substances 0.000 abstract 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 abstract 1
- 239000006087 Silane Coupling Agent Substances 0.000 abstract 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 1
- 235000019826 ammonium polyphosphate Nutrition 0.000 abstract 1
- 229920001276 ammonium polyphosphate Polymers 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 1
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052984 zinc sulfide Inorganic materials 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a PE composite pipeline and a preparation method thereof. The PE composite pipeline is prepared by, by weight, the following raw materials including 150 parts to165 parts of ultrahigh molecular weight polyethylene, 7 parts to11 parts of emulsion adhesion agent, 3 parts to 4 parts of polystyrene, 4 parts to 6 parts of calcium stearate, 2 parts to 3 parts of sodium benzoate, 3 parts to 5 parts of ammonium polyphosphate, 7 parts to 9 parts of alkyl phosphoric acid, 5 parts to 7 parts of polysiloxane, 6 parts to 10 parts of polyethylene wax, 6 parts to 8 parts of silane coupling agent, 4 parts to 5 parts of rubber particles, 6 parts to 8 parts of tris (2,4-ditert-butylphenyl) phosphite, 7 parts to 9 parts of conductive carbon black, 2 parts to 3 parts of nano-scale zinc sulfide, 5 parts to 7 parts of vinyl trimethoxy silane, 6 parts to 8 parts of o-hydroxy salicylic phenyl benzoate ester and 10 parts to 12 parts of assistant. The PE composite pipeline has the advantages of having excellent creep-resistance property, impact resistance, anti-static property, oxidation resistance, toughness, mechanical strength and the like and is non-toxic, environment-friendly and long in service life.
Description
Technical field
The present invention relates to a kind of PE pipeline, specifically relate to a kind of PE multiple tube and preparation method thereof.
Background technique
PE composite pipe is composited by hot melt adhesive between inside and outside two layers of plastic materials, has the advantages such as pressure resistance, is widely used in the facilities such as conveying water, combustion gas and extraordinary fluid.Steel belt framework PE composite pipe and steel wire mesh frame PE composite pipe two kinds is had at present at the plastic steel composite pipe of building and municipal water supply main pipeline.The former its steel belt framework of steel belt framework PE composite pipe is partition type skeleton, and do not have entire body to connect, poor toughness, intensity are low, not internal pressure-resistant, can only be used for drainage works, not be suitable for water engineering; Although the latter's steel wire mesh frame PE composite pipe good toughness, intensity are high and internal pressure-resistant, drainage works can be used for, again can water supply engineering, but because its skeleton steel wire is easily by extraneous temperature difference influence, generation is expanded with heat and contract with cold, and makes inner skeleton steel wire expose pipe end plane, and butt joint produces exclusion, make joint produce string water phenomenon, reduce pipe working life.It is netted that existing PE composite pipe adopts steel wire winding method to form steel wire, not only complex process, waste steel wire, and twine after the rich steel wire formed is subject to longitudinal pressure and be easily out of shape, the shortcomings such as poor voltage withstand capability.The way of thermosol is smeared between the inside and outside plastics that the bonding of steel wire and inside and outside plastics adopts, not only complex process, waste thermosol, smear uneven etc., and outer layer plastic coated on adopt general to rely on internal layer melt viscosity and way shaping, there are inside and outside two layers of plastic bonding power poor, the shortcomings such as easy separation.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of PE multiple tube and preparation method thereof.
For achieving the above object, the technical solution used in the present invention is:
A kind of PE multiple tube, comprise by the raw material of following weight portion formulated: ultra-high molecular weight polyethylene 150-165, emulsion-type interfacial agents 7-11, polystyrene 3-4, calcium stearate 4-6, Sodium Benzoate 2-3, polyphosphoric acid ammonia 3-5, hydrocarbyl phosphate 7-9, polysiloxane 5-7, Tissuemat E 6-10, silane coupler 6-8, rubber grain 4-5, sub-phosphorus three (2,4-di-tert-butyl-phenyl) ester 6-8, electrical conductivity Carbon black 7-9, nanometer zinc sulphide 2-3, vinyltrimethoxy silane 5-7, septichen phenyl ester 6-8, auxiliary agent 10-12;
Described auxiliary agent is made up of the raw material of following weight portion: nano-calcium carbonate 10-12, teflon 12-14, fluorographite 5-6, organosiloxane 4-5, benzoic acid 6-8, Potassium Benzoate 2-3, di-isopropylbenzene hydroperoxide 2-4, pentaerythritol resin 5-9, zine stearate 2-5, superfine carbon black 7-9, two Lauryl Alcohol ester 2-3, antioxidant CA 3-5;
The preparation method of described auxiliary agent is as follows: nano-calcium carbonate, fluorographite, benzoic acid, Potassium Benzoate, magnesium nitrate are added mixing rear grinding 30-40 minute in pebble mill, then be mixed together evenly with other residual components, obtains required auxiliary agent.
A preparation method for PE multiple tube, comprises the following steps:
(1) other raw materials except vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent are taken by weight, after being mixed by high mixer, granulation is melt extruded through twin-screw, then be 0.07-0.08MPa in degree of vacuum, temperature is dry 1-2 hour in the vacuum drier of 70-75 DEG C, obtains dried modified ultra-high molecular weight polyethylene pellet;
(2) the modified ultra-high molecular weight polyethylene pellet obtained is added in the charging hole of the first screw extruder and the second screw extruder respectively, then in the second screw extruder, add vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent, respectively fusion plastification is carried out to the polyethylene pellet in extruder;
(3) by the material in the machine barrel of two screw extruders after filter press plate, axial motion is changed into by circular movement, send in composite co-extruding mould shaping, then the composite pipe obtained is sent into cooling curing in the cooling unit matched with finished form and shape, namely obtain PE multiple tube.
Beneficial effect of the present invention:
Material Physics modification technology and chemical modification technique merge by the present invention, various function additive effect is played and maximizes, by the method for chemical modifying, improve the creep resistant of material and the ability of the anti-solid particle impact of tube surfaces and antistatic and the ability such as anti-oxidant, utilize physical modification technology, with the addition of the strengthening agents such as nano-calcium carbonate in PE material, finally obtain toughness, PE composite material that intensity is balanced with hardness, its obtained pipeline has the advantage such as asepsis environment-protecting, long service life.
Embodiment
Below in conjunction with specific embodiment, technological scheme of the present invention is further described.
Embodiment 1:
A kind of PE multiple tube, it is characterized in that, comprise by the raw material of following weight portion (kg) formulated: ultra-high molecular weight polyethylene 150, emulsion-type interfacial agents 7, polystyrene 3, calcium stearate 4, Sodium Benzoate 2, polyphosphoric acid ammonia 3, hydrocarbyl phosphate 7, polysiloxane 5, Tissuemat E 6, silane coupler 6, rubber grain 4, sub-phosphorus three (2,4-di-tert-butyl-phenyl) ester 6, electrical conductivity Carbon black 7, nanometer zinc sulphide 2, vinyltrimethoxy silane 5, septichen phenyl ester 6, auxiliary agent 10; Described auxiliary agent is made up of the raw material of following weight portion (kg): nano-calcium carbonate 10, teflon 12, fluorographite 5, organosiloxane 4, benzoic acid 6, Potassium Benzoate 2, di-isopropylbenzene hydroperoxide 2, pentaerythritol resin 5, zine stearate 2, superfine carbon black 7, two Lauryl Alcohol ester 2, antioxidant CA 3; Preparation method is: nano-calcium carbonate, fluorographite, benzoic acid, Potassium Benzoate, magnesium nitrate are added mixing rear grinding 30-40 minute in pebble mill, then be mixed together evenly with other residual components, obtains required auxiliary agent.
A preparation method for PE multiple tube, comprises the following steps:
(1) other raw materials except vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent are taken by weight, after being mixed by high mixer, granulation is melt extruded through twin-screw, then be 0.07-0.08MPa in degree of vacuum, temperature is dry 1-2 hour in the vacuum drier of 70-75 DEG C, obtains dried modified ultra-high molecular weight polyethylene pellet;
(2) the modified ultra-high molecular weight polyethylene pellet obtained is added in the charging hole of the first screw extruder and the second screw extruder respectively, then in the second screw extruder, add vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent, respectively fusion plastification is carried out to the polyethylene pellet in extruder;
(3) by the material in the machine barrel of two screw extruders after filter press plate, axial motion is changed into by circular movement, send in composite co-extruding mould shaping, then the composite pipe obtained is sent into cooling curing in the cooling unit matched with finished form and shape, namely obtain PE multiple tube.
Embodiment 2:
A kind of PE multiple tube, comprise by the raw material of following weight portion (kg) formulated: ultra-high molecular weight polyethylene 158, emulsion-type interfacial agents 9, polystyrene 3.5, calcium stearate 5, Sodium Benzoate 2.5, polyphosphoric acid ammonia 4, hydrocarbyl phosphate 8, polysiloxane 6, Tissuemat E 8, silane coupler 7, rubber grain 4.5, sub-phosphorus three (2,4-di-tert-butyl-phenyl) ester 7, electrical conductivity Carbon black 8, nanometer zinc sulphide 2.5, vinyltrimethoxy silane 6, septichen phenyl ester 7, auxiliary agent 11; Described auxiliary agent is made up of the raw material of following weight portion (kg): nano-calcium carbonate 11, teflon 13, fluorographite 5.5, organosiloxane 4.5, benzoic acid 7, Potassium Benzoate 2.5, di-isopropylbenzene hydroperoxide 3, pentaerythritol resin 7, zine stearate 3.5, superfine carbon black 8, two Lauryl Alcohol ester 2.5, antioxidant CA 4; Preparation method is: nano-calcium carbonate, fluorographite, benzoic acid, Potassium Benzoate, magnesium nitrate are added mixing rear grinding 30-40 minute in pebble mill, then be mixed together evenly with other residual components, obtains required auxiliary agent.
Preparation method is with embodiment 1.
Embodiment 3:
A kind of PE multiple tube, comprise by the raw material of following weight portion (kg) formulated: ultra-high molecular weight polyethylene 165, emulsion-type interfacial agents 11, polystyrene 4, calcium stearate 6, Sodium Benzoate 3, polyphosphoric acid ammonia 5, hydrocarbyl phosphate 9, polysiloxane 7, Tissuemat E 10, silane coupler 8, rubber grain 5, sub-phosphorus three (2,4-di-tert-butyl-phenyl) ester 8, electrical conductivity Carbon black 9, nanometer zinc sulphide 3, vinyltrimethoxy silane 7, septichen phenyl ester 8, auxiliary agent 12; Described auxiliary agent is made up of the raw material of following weight portion (kg): nano-calcium carbonate 12, teflon 14, fluorographite 6, organosiloxane 5, benzoic acid 8, Potassium Benzoate 3, di-isopropylbenzene hydroperoxide 4, pentaerythritol resin 9, zine stearate 5, superfine carbon black 9, two Lauryl Alcohol ester 3, antioxidant CA 5; Preparation method is: nano-calcium carbonate, fluorographite, benzoic acid, Potassium Benzoate, magnesium nitrate are added mixing rear grinding 30-40 minute in pebble mill, then be mixed together evenly with other residual components, obtains required auxiliary agent.
Preparation process is with embodiment 1.
The performance test results of the PE multiple tube that above-described embodiment 1-3 obtains is in table 1.
The performance test results of the PE multiple tube that table 1 embodiment 1-3 obtains
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Flame retardant property | FV-0 | FV-0 | FV-0 |
| Tensile strength, Mpa | 21.8 | 25.45 | 23.3 |
| Elongation at break, % | 538 | 483 | 527 |
| Notched Izod impact strength, KJ/ ㎡ | 22.8 | 25.5 | 20.4 |
| Surface resistance, Ω | 4.6×10 5 | 7.2×10 5 | 9.3×10 4 |
Claims (2)
1. a PE multiple tube, it is characterized in that, comprise by the raw material of following weight portion formulated: ultra-high molecular weight polyethylene 150-165, emulsion-type interfacial agents 7-11, polystyrene 3-4, calcium stearate 4-6, Sodium Benzoate 2-3, polyphosphoric acid ammonia 3-5, hydrocarbyl phosphate 7-9, polysiloxane 5-7, Tissuemat E 6-10, silane coupler 6-8, rubber grain 4-5, sub-phosphorus three (2,4-di-tert-butyl-phenyl) ester 6-8, electrical conductivity Carbon black 7-9, nanometer zinc sulphide 2-3, vinyltrimethoxy silane 5-7, septichen phenyl ester 6-8, auxiliary agent 10-12;
Described auxiliary agent is made up of the raw material of following weight portion: nano-calcium carbonate 10-12, teflon 12-14, fluorographite 5-6, organosiloxane 4-5, benzoic acid 6-8, Potassium Benzoate 2-3, di-isopropylbenzene hydroperoxide 2-4, pentaerythritol resin 5-9, zine stearate 2-5, superfine carbon black 7-9, two Lauryl Alcohol ester 2-3, antioxidant CA 3-5;
The preparation method of described auxiliary agent is as follows: nano-calcium carbonate, fluorographite, benzoic acid, Potassium Benzoate, magnesium nitrate are added mixing rear grinding 30-40 minute in pebble mill, then be mixed together evenly with other residual components, obtains required auxiliary agent.
2. the preparation method of a kind of PE multiple tube according to claim 1, is characterized in that, comprise the following steps:
(1) other raw materials except vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent are taken by weight, after being mixed by high mixer, granulation is melt extruded through twin-screw, then be 0.07-0.08MPa in degree of vacuum, temperature is dry 1-2 hour in the vacuum drier of 70-75 DEG C, obtains dried modified ultra-high molecular weight polyethylene pellet;
(2) the modified ultra-high molecular weight polyethylene pellet obtained is added in the charging hole of the first screw extruder and the second screw extruder respectively, then in the second screw extruder, add vinyltrimethoxy silane, septichen phenyl ester, auxiliary agent, respectively fusion plastification is carried out to the polyethylene pellet in extruder;
(3) by the material in the machine barrel of two screw extruders after filter press plate, axial motion is changed into by circular movement, send in composite co-extruding mould shaping, then the composite pipe obtained is sent into cooling curing in the cooling unit matched with finished form and shape, namely obtain PE multiple tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410752257.2A CN104633307A (en) | 2014-12-11 | 2014-12-11 | PE composite pipeline and preparation method thereof |
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| CN106432879A (en) * | 2016-10-18 | 2017-02-22 | 周佳瑜 | Novel PE pipe and preparation method thereof |
| CN109203527A (en) * | 2018-10-22 | 2019-01-15 | 安徽青润精密科技有限公司 | A kind of preparation method of corrosion-resistant water pipe |
| CN110869429A (en) * | 2017-07-07 | 2020-03-06 | Sabic环球技术有限责任公司 | Polyethylene composition |
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