CN106279921A - A kind of ageing-resistant PE corrugated pipe and preparation method thereof - Google Patents

A kind of ageing-resistant PE corrugated pipe and preparation method thereof Download PDF

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Publication number
CN106279921A
CN106279921A CN201610766735.4A CN201610766735A CN106279921A CN 106279921 A CN106279921 A CN 106279921A CN 201610766735 A CN201610766735 A CN 201610766735A CN 106279921 A CN106279921 A CN 106279921A
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China
Prior art keywords
parts
calcium carbonate
corrugated pipe
ageing
resistant
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Pending
Application number
CN201610766735.4A
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Chinese (zh)
Inventor
舒玉法
季琨
季汝来
刘学辉
马刚
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ANQING CITY YUEFA PIPE INDUSTRY Co Ltd
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ANQING CITY YUEFA PIPE INDUSTRY Co Ltd
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Priority to CN201610766735.4A priority Critical patent/CN106279921A/en
Publication of CN106279921A publication Critical patent/CN106279921A/en
Pending legal-status Critical Current

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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
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • 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
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • 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
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

A kind of ageing-resistant PE corrugated pipe, it is characterized in that, it is prepared from by the raw material of following weight portion: highdensity polyethylene 200 parts, low-density polyethylene 15 20 parts, calcium carbonate 15 20 parts, 12 15 parts of polyacrylamide amine salt, stearic acid dehydrated alcohol saturated solution 80 100 parts, vinyltriacetoxy silane 15 20 parts, dicyandiamide 34 parts, tert-Butyl peroxypivalate 34 parts, cobaltous octadecanate 12 parts, polrvinyl chloride 8 10 parts, Tissuemat E 68 parts, 2,2'-ethylenedioxybis(ethanol). methyl ether 34 parts, 23 parts of methylimidazole lead, appropriate deionized water.The PE corrugated pipe of the present invention has that crushing resistance is strong, anticorrosive property good, antistatic, fire-retardant, the feature of length in service life.

Description

A kind of ageing-resistant PE corrugated pipe and preparation method thereof
Technical field
The present invention relates to a kind of high-molecular tubular material, particularly relate to a kind of ageing-resistant PE corrugated pipe and preparation thereof Method.
Technical background
Polyethylene tube good corrosion resistance, low cost, lightweight, easy for installation, service life is long, is the good of metal tube Replacing part.Most of plastic pipes or metal pipe material are when pumped (conveying) medium, mainly using water as the carrier of conveying material, and various Solid particle, powder body, slurry conveying because of the contact area of conveying capacity solid powder big, various and tube wall big, its abrasion and rotten Erosion is than water as even more serious during carrier, and traditional metallic conduit is difficult to meet use requirement, and common plastics pipeline more cannot win Appoint and bear.PE tubing is high as a kind of high abrasion, impact resistance, corrosion-resistant, low temperature resistant, self-lubricating, non-scaling, internal pressure strength, The new type plastic pipe that noise is little, nontoxic, light, is that the high-performance engineering that solid, liquid, gas tri-state material all can carry is moulded Material tubing.But polyethylene tube is easily generated electrostatic, and inflammable, limit the range of application of polyethylene tube.
Author Wang Xinglong etc. use masterbatch to be directly added into the method for forming in " flame-retardant and anti-static PE tube material Research on processing technology ", Antistatic additive is joined in polymer in extrusion, and the processing and crowded pipe molding to flame-retardant and anti-static PE tube material adds The techniques such as work are studied, and result of the test shows: the flame-retardant and anti-static PE tube material good dispersion of production, properties of product are steady Fixed, pollution-free, beneficially large-scale production.
Summary of the invention
It is an object of the invention to provide a kind of ageing-resistant PE corrugated pipe and preparation method thereof.
The present invention adopts the following technical scheme that and realizes above-mentioned purpose:
A kind of ageing-resistant PE corrugated pipe, it is characterised in that it is prepared from by the raw material of following weight portion: highdensity poly- Ethylene 200 parts, low-density polyethylene 15-20 part, calcium carbonate 15-20 part, polyacrylamide amine salt 12-15 part, stearic acid are anhydrous Alcohol saturated solution 80-100 part, vinyltriacetoxy silane 15-20 part, dicyandiamide 3-4 part, the tertiary fourth of peroxidating neopentanoic acid Ester 3-4 part, cobaltous octadecanate 1-2 part, polrvinyl chloride 8-10 part, Tissuemat E 6-8 part, 2,2'-ethylenedioxybis(ethanol). methyl ether 3-4 part, methylimidazole Lead 2-3 part, appropriate deionized water.
Described ageing-resistant PE corrugated pipe, it is characterised in that it is prepared from by following steps:
(1) calcium carbonate and the deionized water being equivalent to weight of calcium carbonate part 10-12 times being added in reactor, stir speed (S.S.) is 250-300r/min, is heated to 50-60 DEG C, adds stearic acid dehydrated alcohol saturated solution as activator, continuation stirring 30- 50min；It is subsequently adding polyacrylamide amine salt and stirs 20-30min as dispersant, continuation, stand 2-3h, finally use vacuum to take out Filter, 105 DEG C of freeze-day with constant temperature 2-4h, sieve through 200 mesh after flour mill grinds, finally give activated calcium carbonate；
(2) Low Density Polyethylene, vinyltriacetoxy silane, antioxidant dicyandiamide are carried out pre-in high-speed mixer Mixed, add initiator tert-Butyl peroxypivalate, cobaltous octadecanate, mix homogeneously, then mix in single screw extrusion machine Close, plastify, melt extrude, by negative pressure of vacuum remover, pump moisture and volatile material, cooling granulation, then pass through to be dried Machine is dried, and dried storing material is in vacuum packaging bag；
(3) first by high density polyethylene (HDPE), polrvinyl chloride, Tissuemat E, activated calcium carbonate, 2,2'-ethylenedioxybis(ethanol). methyl ether, methylimidazole lead Put in high mixer, after the stirring of 30-40min, mixed material is added in extruder, each section of temperature of extruder screw For 150-220 DEG C, the material of extrusion through pelletizing, be dried, cooling be masterbatch；The product of masterbatch with step (2) mixes addition squeeze Going out in machine, the draw ratio of extruder is 30, and each section of temperature of extruder screw is 40-200 DEG C, and compound is through high-temperature heating and spiral shell Bar rotates and is sufficiently mixed and is extruded, and heating, under pressurization, material is plasticized into molten, with different size to extruded stock Extrusion die and calibration sleeve extrude corresponding pipe, the most again through corresponding ripple module and enlarging module cooling and shaping, Being then passed through length measuring device and cutter sweep, tubing, by automatically customized cut-off, finally enters automatic expanding machine, to tubing head Carry out expanding, obtain PE corrugated pipe.
The density of described Low Density Polyethylene is in 0.915～0.940g/cm3Between, described highdensity poly-second The density of alkene is in 0.950～0.985g/cm3Between.
The invention has the beneficial effects as follows: the present invention uses calcium carbonate-filled, and calcium carbonate is activated, it is to avoid carbonic acid There is agglomeration in calcium in polyethylene, enhances the mechanical strength of polyethylene, improves its processing characteristics；Organosilan is the most prominent Performance be there is excellent temperature tolerance, excellent weatherability, good electrical insulating property, through the polyethylene of organosilane graft Processing fluidity is greatly improved, and available common extrusion equipment is processed, and prepared PE tubing has fabulous Wearability, corrosion resistance and lower temperature resistance；By the fire retardant rationally assembled added in tubing and age resister, make poly-second Alkene tubing obtains good fire-retardant and ageing resistace.
Detailed description of the invention
The ageing-resistant PE corrugated pipe of the present embodiment, it is prepared from by the raw material of following weight portion: highdensity poly- Ethylene 200 parts, low-density polyethylene 20 parts, calcium carbonate 20 parts, 15 parts of polyacrylamide amine salt, stearic acid dehydrated alcohol are saturated molten Liquid 100 parts, vinyltriacetoxy silane 20 parts, dicyandiamide 4 parts, tert-Butyl peroxypivalate 4 parts, cobaltous octadecanate 2 parts, Polrvinyl chloride 10 parts, Tissuemat E 8 parts, 2,2'-ethylenedioxybis(ethanol). methyl ether 4 parts, 3 parts of methylimidazole lead, appropriate deionized water.
The ageing-resistant PE corrugated pipe of the present embodiment, it is prepared from by following steps:
(1) calcium carbonate and the deionized water being equivalent to weight of calcium carbonate part 12 times being added in reactor, stir speed (S.S.) is 300r/ Min, is heated to 50-60 DEG C, adds stearic acid dehydrated alcohol saturated solution as activator, continuation stirring 50min；It is subsequently adding Polyacrylamide amine salt, as dispersant, continues stirring 30min, stands 3h, finally use vacuum filtration, 105 DEG C of freeze-day with constant temperature 4h, Sieve through 200 mesh after flour mill grinds, finally give activated calcium carbonate；
(2) Low Density Polyethylene, vinyltriacetoxy silane, antioxidant dicyandiamide are carried out pre-in high-speed mixer Mixed, add initiator tert-Butyl peroxypivalate, cobaltous octadecanate, mix homogeneously, then mix in single screw extrusion machine Close, plastify, melt extrude, by negative pressure of vacuum remover, pump moisture and volatile material, cooling granulation, then pass through to be dried Machine is dried, and dried storing material is in vacuum packaging bag；
(3) first by high density polyethylene (HDPE), polrvinyl chloride, Tissuemat E, activated calcium carbonate, 2,2'-ethylenedioxybis(ethanol). methyl ether, methylimidazole lead Putting in high mixer, after the stirring of 40min, added in extruder by mixed material, each section of temperature of extruder screw is 150-220 DEG C, the material of extrusion through pelletizing, be dried, cooling be masterbatch；The product of masterbatch with step (2) is mixed addition extrusion In machine, the draw ratio of extruder is 30, and each section of temperature of extruder screw is 40-200 DEG C, and compound is through high-temperature heating and screw rod Rotation is sufficiently mixed and is extruded, and heating, under pressurization, material is plasticized into molten, with the machine of different size to extruded stock Head mould tool and calibration sleeve extrude corresponding pipe, the most again through corresponding ripple module and enlarging module cooling and shaping, so After by automatically customized cut-off, finally enter automatic expanding machine through length measuring device and cutter sweep, tubing, tubing head is entered Row expanding, obtains PE corrugated pipe.
After tested, the tensile yield strength/MPa of the PE corrugated pipe of the present embodiment is more than 30, bending strength/MPa
More than 20, notch impact strength/kJ m-2(23 DEG C) are more than 100.

Claims (3)

1. an ageing-resistant PE corrugated pipe, it is characterised in that it is prepared from by the raw material of following weight portion: highdensity Polyethylene 200 parts, low-density polyethylene 15-20 part, calcium carbonate 15-20 part, polyacrylamide amine salt 12-15 part, stearic acid without Water-ethanol saturated solution 80-100 part, vinyltriacetoxy silane 15-20 part, dicyandiamide 3-4 part, peroxidating neopentanoic acid uncle Butyl ester 3-4 part, cobaltous octadecanate 1-2 part, polrvinyl chloride 8-10 part, Tissuemat E 6-8 part, 2,2'-ethylenedioxybis(ethanol). methyl ether 3-4 part, dimethyl miaow Azoles lead 2-3 part, appropriate deionized water.
2. according to the ageing-resistant PE corrugated pipe described in claim 1, it is characterised in that its prepared by following steps and Become:
(1) calcium carbonate and the deionized water being equivalent to weight of calcium carbonate part 10-12 times being added in reactor, stir speed (S.S.) is 250-300r/min, is heated to 50-60 DEG C, adds stearic acid dehydrated alcohol saturated solution as activator, continuation stirring 30- 50min；It is subsequently adding polyacrylamide amine salt and stirs 20-30min as dispersant, continuation, stand 2-3h, finally use vacuum to take out Filter, 105 DEG C of freeze-day with constant temperature 2-4h, sieve through 200 mesh after flour mill grinds, finally give activated calcium carbonate；
(2) Low Density Polyethylene, vinyltriacetoxy silane, antioxidant dicyandiamide are carried out pre-in high-speed mixer Mixed, add initiator tert-Butyl peroxypivalate, cobaltous octadecanate, mix homogeneously, then mix in single screw extrusion machine Close, plastify, melt extrude, by negative pressure of vacuum remover, pump moisture and volatile material, cooling granulation, then pass through to be dried Machine is dried, and dried storing material is in vacuum packaging bag；
(3) first by high density polyethylene (HDPE), polrvinyl chloride, Tissuemat E, activated calcium carbonate, 2,2'-ethylenedioxybis(ethanol). methyl ether, methylimidazole lead Put in high mixer, after the stirring of 30-40min, mixed material is added in extruder, each section of temperature of extruder screw For 150-220 DEG C, the material of extrusion through pelletizing, be dried, cooling be masterbatch；The product of masterbatch with step (2) mixes addition squeeze Going out in machine, the draw ratio of extruder is 30, and each section of temperature of extruder screw is 40-200 DEG C, and compound is through high-temperature heating and spiral shell Bar rotates and is sufficiently mixed and is extruded, and heating, under pressurization, material is plasticized into molten, with different size to extruded stock Extrusion die and calibration sleeve extrude corresponding pipe, the most again through corresponding ripple module and enlarging module cooling and shaping, Being then passed through length measuring device and cutter sweep, tubing, by automatically customized cut-off, finally enters automatic expanding machine, to tubing head Carry out expanding, obtain PE corrugated pipe.
3. it is in 0.915～0.940g/cm according to the density of the Low Density Polyethylene described in claim 1 and claim 23 Between, the density of described highdensity polyethylene is in 0.950～0.985g/cm3Between.
CN201610766735.4A 2016-08-31 2016-08-31 A kind of ageing-resistant PE corrugated pipe and preparation method thereof Pending CN106279921A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106336553A (en) * 2016-08-31 2017-01-18 安庆市悦发管业有限公司 PE corrugated pipe modified with phyllosilicate and preparing method of PE corrugated pipe modified with phyllosilicate
CN107602986A (en) * 2017-09-30 2018-01-19 广西金盛科技发展有限公司 The production method of bellows
CN113429730A (en) * 2021-07-16 2021-09-24 安庆市悦发管业有限公司 High-strength high-temperature-resistant water supply pipe and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104086845A (en) * 2014-06-16 2014-10-08 山东春潮集团有限公司 Color master batch special for PE-RT (Polyethylene of Raised Temperature Resistance) pipe and preparation method thereof
CN104844890A (en) * 2015-04-08 2015-08-19 安庆市悦发管业有限公司 Polyethylene corrugated tube
CN105017611A (en) * 2015-07-02 2015-11-04 安徽玉发塑业有限公司 Ageing-resistant filling masterbatch for PE bellows and preparation method therefor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104086845A (en) * 2014-06-16 2014-10-08 山东春潮集团有限公司 Color master batch special for PE-RT (Polyethylene of Raised Temperature Resistance) pipe and preparation method thereof
CN104844890A (en) * 2015-04-08 2015-08-19 安庆市悦发管业有限公司 Polyethylene corrugated tube
CN105017611A (en) * 2015-07-02 2015-11-04 安徽玉发塑业有限公司 Ageing-resistant filling masterbatch for PE bellows and preparation method therefor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106336553A (en) * 2016-08-31 2017-01-18 安庆市悦发管业有限公司 PE corrugated pipe modified with phyllosilicate and preparing method of PE corrugated pipe modified with phyllosilicate
CN107602986A (en) * 2017-09-30 2018-01-19 广西金盛科技发展有限公司 The production method of bellows
CN113429730A (en) * 2021-07-16 2021-09-24 安庆市悦发管业有限公司 High-strength high-temperature-resistant water supply pipe and preparation method thereof
CN113429730B (en) * 2021-07-16 2023-05-05 安庆市悦发管业有限公司 High-strength high-temperature-resistant water supply pipe and preparation method thereof

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Application publication date: 20170104