CN105542271B - A kind of anti-scratch PE multiple tube and preparation method thereof - Google Patents

A kind of anti-scratch PE multiple tube and preparation method thereof Download PDF

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Publication number
CN105542271B
CN105542271B CN201510935261.7A CN201510935261A CN105542271B CN 105542271 B CN105542271 B CN 105542271B CN 201510935261 A CN201510935261 A CN 201510935261A CN 105542271 B CN105542271 B CN 105542271B
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protective layer
crosslinked polyethylene
scratch
polyethylene
crosslinked
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CN105542271A (en
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陆国强
周淑楠
胡正华
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Linhai Weixing New Building Materials Co Ltd
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Zhejiang Weixing New Building Materials Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/12Rigid pipes of plastics with or without reinforcement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92514Pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00Crosslinking

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

A kind of anti-scratch PE multiple tube and preparation method thereof, belongs to tubing preparation technical field.It includes by the molding homogeneous polyethylene pipe main body of common polythene material, and homogeneous polyethylene pipe body surfaces increase by one layer of crosslinked polyethylene protective layer, it is characterised in that the crosslinked polyethylene protective layer thickness is the 10~15% of homogeneous polyethylene pipe main body wall thickness.Novel anti-scratch PE multiple tube composite effect produced by the present invention is good; crosslinked polyethylene protective layer is preferably combined into one with homogeneous polyethylene pipe main body; the generation of inner tube and the removing obscission of outer tube when avoiding non-excavating construction; processing performance is excellent; technology difficulty coefficient is relatively low; high production efficiency; and the product qualification rate height that production technology obtains through the invention; improve product quality; outer layer crosslinked polyethylene protective layer forms space net structure; the whole Scratch Resistance energy of pipeline is improved, service life is long.

Description

A kind of anti-scratch PE multiple tube and preparation method thereof
Technical field
The invention belongs to tubing preparation technical fields, and in particular to a kind of anti-scratch PE multiple tube and preparation method thereof, extensively It is general to be applied to the no-dig techniques fields such as water supply, combustion gas, blowdown, mine, chemical industry, electric power.
Background technique
With non-excavation laying and the fast development being laid with without sand, PE pipeline becomes no-dig technique with its excellent flexibility The first choice of pipeline is laid with no sand.However, scratch and ambient enviroment such as stone caused by dragging artificial in work progress Etc. sharp objects withstand point load caused by pipe outer surface, can all form stress concentration region and generate crazing, crazing can be into one Step, which increases, to be developed into crackle and leads to pipeline damage.Therefore the Scratch Resistance for improving pipeline external surface can be extremely important, can avoid Pipeline leaves scratch and buries security risk.
Have much for the research of the anti-scratch aspect of PE tubing both at home and abroad.Most often ultra-toughness PE100-RC material The exploitation of (polyethylene of hexene-ethylene copolymer bimodal molecular weight distribution), current main PE100-RC material includes reaching You are the XRC20B XSC50 Orange of the petrochemical industry and HS3490-LS-H of Borealis.Jinan Changhong then has super high molecular weight ultra-toughness Enhance polyethylene pipe etc..The anti-scratch performance boost of this kind of product is limited, and product generally high cost, is not easy to push away on a large scale Extensively.In addition, in PE pipe surface composite polypropylene (PP) protective layer, outer layer PP can prevent pipe damage and internal layer to a certain extent The crackle of PE.But outer layer PP black brittleness is big, has obvious lamination with internal layer PE, in non-excavation laying because dragging easily causes It shifts, fall off, and do not have the effect of protective layer, and need delamination welding when its connection, it is inconvenient.
Summary of the invention
The purpose of the present invention is to overcome the defects in the prior art, provides a kind of scratch-resistant, creep resistant and easy to connect Anti-scratch PE multiple tube and preparation method thereof, it is mainly used for the no-dig techniques such as water supply, combustion gas, blowdown, mine, chemical industry, electric power Laying field.
A kind of anti-scratch PE multiple tube, including by the molding homogeneous polyethylene pipe main body of common polythene material, It is characterized in that homogeneous polyethylene pipe body surfaces increase by one layer of crosslinked polyethylene protective layer, it is characterised in that the poly- second of crosslinking Alkene protective layer thickness is the 10~15% of homogeneous polyethylene pipe main body wall thickness.
A kind of anti-scratch PE multiple tube, it is characterised in that the intensity of the homogeneous polyethylene pipe main body is PE100 Grade material or PE80 grades of materials.
A kind of anti-scratch PE multiple tube, it is characterised in that the crosslinked polyethylene protective layer is by following parts by weight Raw material components are made:
Outer 0.05 ~ 0.2 part of the lubricating additive of 90 ~ 100 parts of silicones of crosslinked polyethylene
Distant 0.1 ~ 0.5 part of claw type hydrophilic radical polymeric additive, 0.1 ~ 0.5 part of antioxidant 1010
0.1 ~ 0.5 part of irgasfos 168,2 ~ 6 parts of linear low density polyethylene.
A kind of anti-scratch PE multiple tube, it is characterised in that the crosslinked polyethylene protective layer is by following parts by weight Raw material components are made:
Outer 0.08 ~ 0.16 part of the lubricating additive of 92 ~ 98 parts of silicones of crosslinked polyethylene
Distant 0.2 ~ 0.4 part of claw type hydrophilic radical polymeric additive, 0.2 ~ 0.4 part of antioxidant 1010
3-5 parts of linear low density polyethylene of 0.2 ~ 0.4 part of irgasfos 168.
A kind of anti-scratch PE multiple tube, it is characterised in that the crosslinked polyethylene protective layer is by following parts by weight Raw material components are made:
Outer 0.12 part of the lubricating additive of 95 parts of silicones of crosslinked polyethylene
Distant 0.3 part of claw type hydrophilic radical polymeric additive, 0.3 part of antioxidant 1010
0.3 part of irgasfos 168,4 parts of linear low density polyethylene.
A kind of anti-scratch PE multiple tube, it is characterised in that the distant claw type hydrophilic radical polymeric additive is carboxylic Sodium carboxymethylcellulose pyce.
A kind of anti-scratch PE multiple tube, it is characterised in that the outer lubricating additive of silicone is polydimethylsiloxanes Alkane.
The preparation method of the anti-scratch PE multiple tube, it is characterised in that the production technology is as follows: it will hand over according to the ratio The material each component for joining polyethylene protective layer after mixing evenly, is added in extruder and uses reaction extrusion process, in the poly- second of homogeneous One layer of co-extrusion lightly crosslinked crosslinked polyethylene protective layer of alkene pipe main body outer layer forms close compound integral structure, is resisted PE multiple tube is scraped, crosslinked polyethylene protective layer uses autonomous crosslinking process, which places 6-12 days 65% or more the degree of cross linking can be reached.
The preparation method of the anti-scratch PE multiple tube, it is characterised in that the work of reactive extrursion crosslinked polyethylene protective layer Skill temperature is 140 ~ 230 DEG C, the lightly crosslinked degree of cross linking≤15%.
The preparation method of the anti-scratch PE multiple tube, it is characterised in that extruder reactive extrursion crosslinked polyethylene protection Screw speed 20rpm ~ 100rpm of layer, fusion pressure are controlled in 15 ~ 30MPa.
By using above-mentioned technology, compared with prior art, beneficial effects of the present invention are as follows:
1) a kind of anti-scratch PE multiple tube that the present invention obtains, using crosslinked polyethylene as external protection, due to using The distant claw type hydrophilic radical polymer of special crosslinked polyethylene additive, can react with the silanol on polymer molecular chain, resistance The cross-linking reaction only occurred between silanol and silanol solves crosslinked polyethylene pipe so that polymer malt viscosity be prevented to increase In material production process, pre-cross-linking phenomena especially in heavy caliber (D > 63mm) tube extrusion production process makes tubing inside and outside wall Surface is smooth, and continuous production improves;Simultaneously because the presence of distant claw type hydrophilic radical polymer, to air during standing The absorption of middle moisture, to accelerate the crosslinking of silanol, so that crosslinked polyethylene can reach higher friendship after placing a period of time Connection degree;
2) crosslinked polyethylene protective layer of the invention uses autonomous crosslinking process, that is, does not need through hot water or hot steam The degree of cross linking of outer layer PEX-b is improved, directly placement can reach 65% or more the degree of cross linking for 12 days, eliminate high temperature bath or steam The step of boiling, keeps composite tube production method of the invention relatively succinct, operation easy to process, and reaction extrusion process temperature It is 140 ~ 230 DEG C, screw speed 20rpm ~ 100rpm, fusion pressure is controlled in 15 ~ 30MPa, is avoided that generation impurity;
3) anti-scratch PE multiple tube composite effect produced by the present invention is good, crosslinked polyethylene protective layer and homogeneous polyethylene pipe Main body is preferably combined into one, the generation of inner tube and the removing obscission of outer tube, processability when avoiding non-excavating construction Can be excellent, technology difficulty coefficient is relatively low, high production efficiency, and the product qualification rate that production technology obtains through the invention Height, improves product quality, and outer layer crosslinked polyethylene protective layer forms space net structure, improves the whole Scratch Resistance of pipeline Can, service life is long.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the cross-sectional view in the direction A in Fig. 1.
In figure: 1- homogeneous polyethylene pipe main body, 2- crosslinked polyethylene protective layer.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings:
As depicted in figs. 1 and 2, a kind of anti-scratch PE multiple tube of the invention, including it is molding by common polythene material Homogeneous polyethylene pipe main body 1, which increases by one layer of crosslinked polyethylene protective layer 2, and is crosslinked poly- second With a thickness of the 10~15% of 1 wall thickness of homogeneous polyethylene pipe main body, the intensity of the homogeneous polyethylene pipe main body 1 is alkene protective layer 2 PE100 grades of materials or PE80 grades of materials;The crosslinked polyethylene protective layer 2 is made of the raw material components of following parts by weight: handing over Outer 0.05 ~ 0.2 part of the lubricating additive of 90 ~ 100 parts of polyethylene of connection, silicone, distant claw type hydrophilic radical polymeric additive 0.1 ~ 0.5 part of 0.1 ~ 0.5 part of antioxidant 1010,0.1 ~ 0.5 part of irgasfos 168,2 ~ 6 parts of linear low density polyethylene;
Preparation method is as follows: according to the ratio after mixing evenly by the material each component of crosslinked polyethylene protective layer 2, being added and squeezes Use reaction extrusion process in machine out, it is lightly crosslinked in one layer of 1 outer layer co-extrusion of homogeneous polyethylene pipe main body at a temperature of 140 ~ 230 DEG C Crosslinked polyethylene protective layer 2, lightly crosslinked is the degree of cross linking≤15%, forms close compound integral structure, and the extruder is anti- Screw speed 20rpm ~ 100rpm of crosslinked polyethylene protective layer 2 should be squeezed out, fusion pressure is controlled in 15 ~ 30MPa, obtains anti-scratch PE Multiple tube, crosslinked polyethylene protective layer 2 use autonomous crosslinking process, which, which places 6-12 days, to reach To 65% or more the degree of cross linking.
Embodiment 1:
Crosslinked polyethylene protective layer 2 with a thickness of the 10% of 1 wall thickness of homogeneous polyethylene pipe main body, protect by the crosslinked polyethylene Layer 2 is made of the raw material components of following parts by weight:
0.1 part of 90 parts of crosslinked polyethylene, 0.05 part of dimethyl silicone polymer, sodium carboxymethylcellulose antioxidant 1010 0.1 part, 0.1 part of irgasfos 168,2 parts of linear low density polyethylene;
Preparation method is as follows: according to the ratio after mixing evenly by the material each component of crosslinked polyethylene protective layer 2, being added and squeezes It uses reaction extrusion process in machine out, is in homogeneous polyethylene pipe main body 1 outer layer co-extrusion, one layer of degree of cross linking at a temperature of 140 ~ 230 DEG C 15% crosslinked polyethylene protective layer 2, forms close compound integral structure, and the extruder reactive extrursion crosslinked polyethylene is protected Screw speed 20rpm ~ 100rpm of sheath 2, fusion pressure are controlled in 15 ~ 30MPa, obtain anti-scratch PE multiple tube, crosslinked polyethylene Protective layer 2 uses autonomous crosslinking process, and crosslinked polyethylene external protection placement can reach 65% or more crosslinking for 6-12 days Degree.
Embodiment 2:
Crosslinked polyethylene protective layer 2 with a thickness of the 15% of 1 wall thickness of homogeneous polyethylene pipe main body, protect by the crosslinked polyethylene Layer 2 is made of the raw material components of following parts by weight:
0.5 part of 100 parts of crosslinked polyethylene, 0.2 part of dimethyl silicone polymer, sodium carboxymethylcellulose antioxidant 1010 0.5 part, 0.1 part of irgasfos 168,6 parts of linear low density polyethylene;
The preparation method is the same as that of Example 1, and the lightly crosslinked degree of cross linking is 12%.
Embodiment 3:
Crosslinked polyethylene protective layer 2 with a thickness of the 12% of 1 wall thickness of homogeneous polyethylene pipe main body, protect by the crosslinked polyethylene Layer 2 is made of the raw material components of following parts by weight:
92 parts of crosslinked polyethylene, 0.08 part of dimethyl silicone polymer
0.4 part of sodium carboxymethylcellulose, 0.4 part of antioxidant 1010
0.2 part of irgasfos 168,5 parts of linear low density polyethylene.
The preparation method is the same as that of Example 1, and the lightly crosslinked degree of cross linking is 14%.
Embodiment 4:
Crosslinked polyethylene protective layer 2 with a thickness of the 13% of 1 wall thickness of homogeneous polyethylene pipe main body, protect by the crosslinked polyethylene Layer 2 is made of the raw material components of following parts by weight:
98 parts of crosslinked polyethylene, 0.16 part of dimethyl silicone polymer
0.2 part of sodium carboxymethylcellulose, 0.2 part of antioxidant 1010
0.4 part of irgasfos 168,3 parts of linear low density polyethylene.
The preparation method is the same as that of Example 1, and the lightly crosslinked degree of cross linking is 11%.
Embodiment 5:
Crosslinked polyethylene protective layer 2 with a thickness of the 12% of 1 wall thickness of homogeneous polyethylene pipe main body, protect by the crosslinked polyethylene Layer 2 is made of the raw material components of following parts by weight:
95 parts of crosslinked polyethylene, 0.12 part of dimethyl silicone polymer
0.3 part of sodium carboxymethylcellulose, 0.3 part of antioxidant 1010
0.3 part of irgasfos 168,4 parts of linear low density polyethylene.
The preparation method is the same as that of Example 1, and the lightly crosslinked degree of cross linking is 15%.
The present invention is by the degree of cross linking of novel anti-scratch PE multiple tube made from embodiment and common PE100 homogeneous pipe, mill Consumption and Scratch Resistance can be carried out corresponding comparison, and the results are shown in Table 1.
The performance parameter contrast table of the multiple tube of the invention of table 1 and PE100 homogeneous pipe
The degree of cross linking/% Abrasion/% Scratch Resistance energy
Embodiment 1 67.3 0.86 +++
Embodiment 2 73.4 0.63 +++
Embodiment 3 69.6 0.71 +++
Embodiment 4 70.2 0.75 +++
Embodiment 5 71.4 0.66 +++
PE100 homogeneous pipe / 1.25 +
From table 1 it follows that its degree of cross linking is much higher than common PE100 homogeneous pipe, rate of wear is than common PE100 Homogeneous pipe is small, and its Scratch Resistance can be significantly larger than PE100 homogeneous pipe, and PE multiple tube of the invention, not only composite effect is good, outside Table crosslinked polyethylene protective layer is easily preferably combined into one with polyethylene tube body, inner tube and outer tube when avoiding non-excavating construction Removing obscission generation, and processing performance is excellent, and technology difficulty coefficient is relatively low, and high production efficiency is produced Product qualification rate out is high, improves product quality, and outer layer crosslinked polyethylene protective layer forms space net structure, improves pipeline Whole Scratch Resistance energy, service life is long.

Claims (5)

1. a kind of preparation method of anti-scratch PE multiple tube, the anti-scratch PE multiple tube includes being formed by common polythene material Homogeneous polyethylene pipe main body (1), homogeneous polyethylene pipe main body (1) surface increase by one layer of crosslinked polyethylene protective layer (2), it is described Crosslinked polyethylene protective layer (2) with a thickness of homogeneous polyethylene pipe main body (1) wall thickness 10~15%, the homogeneous polyethylene pipe master The intensity of body (1) is PE100 grades of materials or PE80 grades of materials, and the crosslinked polyethylene protective layer (2) is by following parts by weight Raw material components are made:
90 ~ 100 parts of crosslinked polyethylene;Outer 0.05 ~ 0.2 part of the lubricating additive of silicone;Distant claw type hydrophilic radical polymer addition 0.1 ~ 0.5 part of agent;0.1 ~ 0.5 part of antioxidant 1010;0.1 ~ 0.5 part of irgasfos 168;2 ~ 6 parts of linear low density polyethylene; The distant claw type hydrophilic radical polymeric additive is sodium carboxymethylcellulose;The outer lubricating additive of silicone is poly dimethyl silicon Oxygen alkane;
It is characterized in that the production technology is as follows: according to the ratio stirring the material each component of crosslinked polyethylene protective layer (2) equal After even, it is added in extruder and uses reaction extrusion process, lightly crosslinked one layer of outer layer co-extrusion of homogeneous polyethylene pipe main body (1) Crosslinked polyethylene protective layer (2) forms close compound integral structure, obtains anti-scratch PE multiple tube, crosslinked polyethylene protection Layer (2) uses autonomous crosslinking process, and crosslinked polyethylene external protection placement can reach 65% or more the degree of cross linking for 6-12 days.
2. the preparation method of anti-scratch PE multiple tube according to claim 1, it is characterised in that reactive extrursion is crosslinked poly- second The technological temperature of alkene protective layer (2) is 140 ~ 230 DEG C, the lightly crosslinked degree of cross linking≤15%.
3. the preparation method of anti-scratch PE multiple tube according to claim 1, it is characterised in that extruder reactive extrursion is handed over Join the screw speed 20rpm ~ 100rpm of polyethylene protective layer (2), fusion pressure is controlled in 15 ~ 30MPa.
4. the preparation method of anti-scratch PE multiple tube according to claim 1, it is characterised in that the crosslinked polyethylene is protected Sheath (2) is made of the raw material components of following parts by weight:
Outer 0.08 ~ 0.16 part of the lubricating additive of 92 ~ 98 parts of silicones of crosslinked polyethylene
Distant 0.2 ~ 0.4 part of claw type hydrophilic radical polymeric additive, 0.2 ~ 0.4 part of antioxidant 1010
3-5 parts of linear low density polyethylene of 0.2 ~ 0.4 part of irgasfos 168.
5. the preparation method of anti-scratch PE multiple tube according to claim 1, it is characterised in that the crosslinked polyethylene is protected Sheath (2) is made of the raw material components of following parts by weight:
Outer 0.12 part of the lubricating additive of 95 parts of silicones of crosslinked polyethylene
Distant 0.3 part of claw type hydrophilic radical polymeric additive, 0.3 part of antioxidant 1010
0.3 part of irgasfos 168,4 parts of linear low density polyethylene.
CN201510935261.7A 2015-12-15 2015-12-15 A kind of anti-scratch PE multiple tube and preparation method thereof Active CN105542271B (en)

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Publication number Priority date Publication date Assignee Title
CN106977803B (en) * 2017-03-09 2019-10-01 浙江伟星新型建材股份有限公司 A kind of double-wall corrugated pipe and preparation method thereof that inner wall is wear-resisting

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2084361A1 (en) * 1992-12-02 1994-06-03 Haridoss Sarma Silane-crosslinkable copolymer compositions
DE29622414U1 (en) * 1996-12-24 1997-04-03 Rehau Ag + Co, 95111 Rehau Thermoplastic pipe
CN1624038A (en) * 2003-12-02 2005-06-08 上海高分子功能材料研究所 Room-temp, silane cross linked polyethylene plastic and its preparation method
CN1675488A (en) * 2002-07-23 2005-09-28 诺沃恩Ip控股公司 Carbon black-containing crosslinked polyethylene pipe having resistance to chlorine and hypochlorous acid
CN101148522A (en) * 2007-10-29 2008-03-26 浙江万马高分子材料股份有限公司 Technique for manufacturing natural crosslinking polyethylene-insulated cable material
CN101531783A (en) * 2008-12-23 2009-09-16 上海高分子功能材料研究所 Delayed cross-linked type silicane cross-linked polyethylene plastic
CN104327368A (en) * 2014-11-28 2015-02-04 黑龙江省润特科技有限公司 Self-crosslinked expansion flame-retardant material and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2084361A1 (en) * 1992-12-02 1994-06-03 Haridoss Sarma Silane-crosslinkable copolymer compositions
DE29622414U1 (en) * 1996-12-24 1997-04-03 Rehau Ag + Co, 95111 Rehau Thermoplastic pipe
CN1675488A (en) * 2002-07-23 2005-09-28 诺沃恩Ip控股公司 Carbon black-containing crosslinked polyethylene pipe having resistance to chlorine and hypochlorous acid
CN1624038A (en) * 2003-12-02 2005-06-08 上海高分子功能材料研究所 Room-temp, silane cross linked polyethylene plastic and its preparation method
CN101148522A (en) * 2007-10-29 2008-03-26 浙江万马高分子材料股份有限公司 Technique for manufacturing natural crosslinking polyethylene-insulated cable material
CN101531783A (en) * 2008-12-23 2009-09-16 上海高分子功能材料研究所 Delayed cross-linked type silicane cross-linked polyethylene plastic
CN104327368A (en) * 2014-11-28 2015-02-04 黑龙江省润特科技有限公司 Self-crosslinked expansion flame-retardant material and preparation method thereof

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