CN103554601A - High-density polyethylene double-wall corrugated tube - Google Patents

High-density polyethylene double-wall corrugated tube Download PDF

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Publication number
CN103554601A
CN103554601A CN201310524356.0A CN201310524356A CN103554601A CN 103554601 A CN103554601 A CN 103554601A CN 201310524356 A CN201310524356 A CN 201310524356A CN 103554601 A CN103554601 A CN 103554601A
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China
Prior art keywords
parts
density polyethylene
raw material
stirring
mixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310524356.0A
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Chinese (zh)
Inventor
张辉
肖华
刘雪慧
胡朵朵
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GUOTONG NOVEL PIPES CO Ltd ANHUI
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GUOTONG NOVEL PIPES CO Ltd ANHUI
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Application filed by GUOTONG NOVEL PIPES CO Ltd ANHUI filed Critical GUOTONG NOVEL PIPES CO Ltd ANHUI
Priority to CN201310524356.0A priority Critical patent/CN103554601A/en
Publication of CN103554601A publication Critical patent/CN103554601A/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—Polyethylene
    • 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

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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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention discloses a high-density polyethylene double-wall corrugated tube. The high-density polyethylene double-wall corrugated tube is characterized by comprising the following raw materials in parts by weight: 80 to 86 parts of high-density polyethylene, 2 to 3 parts of polycarbonate, 2 to 3 parts of tetradecanedioic acid, 1 to 2 parts of tartaric acid, 1 to 2 parts of octyl-isothiazolin-ketone, 0.5 to 1 part of tetramethylthiourea, 1 to 2 parts of N-ethyl-p/m-toluene sulfonamide, 4 to 5 parts of fluorite powder, 1 to 2 parts of monopotassium phosphate, 2 to 4 parts of poly-4-methyl-1-amylene, and 7 to 10 parts of composite filler. The corrugated tube disclosed by the invention has high tensile strength, high elongation at break and high notch impact strength, and also has high mechanical properties and anti-friction properties.

Description

A kind of double wall corrugated high-density polyethylene pipes
Technical field
The present invention relates generally to a kind of tubing, relates in particular to a kind of double wall corrugated high-density polyethylene pipes.
Background technology
Pvc pipe (UPVC pipe) hard polvinyl choride pipe, is to use pressure sintering extrusion molding after being coordinated with stablizer, lubricant etc. by polyvinyl chloride (PVC) RESINS, is the plastic pipe being developed and applied the earliest.UPVC pipe resistance to corrosion is strong, it is bonding to be easy to, price is low, quality is hard, but owing to having UPVC monomer and additive exudation, is only applicable in water feeding system that delivery temperature is no more than 45 ℃.Plastic conduit is for delivery of tap water, waste water, chemical, heating fluid and cooling fluid, food, ultrarapture liquid, mud, gas, the application of pressurized air and vacuum system.
PE pipe has medium-density polyethylene pipe and high density polyethylene pipe.The former is applicable to carry artificial coal gas, Sweet natural gas, the liquefied petroleum gas (LPG) of gaseous state, and the latter is mainly for delivery of Sweet natural gas.With steel pipe comparison, construction technology is simple, has certain snappiness, and main is to be not used as rotproofing, will save a large amount of operations.Shortcoming is with regard to apparatus not as steel pipe, and the special safe spacing of noting heating power heating in construction, and can not being exposed in air under sunlight, and responsive to chemical substance, prevents that the leakage of sewer line from damaging.
Summary of the invention
The object of the invention is just to provide a kind of double wall corrugated high-density polyethylene pipes.
The present invention is achieved by the following technical solutions:
, it is comprised of the raw material of following weight parts:
High density polyethylene(HDPE) 80-86, polycarbonate 2-3, tetradecane diprotic acid 2-3, tartrate 1-2, octyl group isothiazolinone 1-2, tetramethyl thiourea 0.5-1, N-ethyl-adjacency pair toluol sulfonamide 1-2, Fluorspar Powder 4-5, potassium primary phosphate 1-2, poly--4-methyl-1-pentene 2-4, compounded mix 7-10;
Described compounded mix is comprised of the raw material of following weight parts:
Laterite 32-40, black husky 4-5, Graphite Powder 99 10-12, light calcium carbonate 6-8, polyvinyl alcohol 2-3, tri (propylene glycol) diacrylate 2-3, methacrylic acid-2-hydroxy methacrylate 2-3, tea-polyphenol 2-3, aminopropyl triethoxysilane 0.6-1, oleoresin capsicum 0.1-0.3;
Above-mentioned laterite and Hei Sha are mixed, calcine 2-3 hour at 600-700 ℃, after discharging is cooling, mixes with light calcium carbonate, pulverize; Above-mentioned Graphite Powder 99 is mixed with polyvinyl alcohol, and ball milling is even, is heated to 75-85 ℃, insulated and stirred 3-6 minute, and reduction temperature is 50-60 ℃, adds aminopropyl triethoxysilane, 1000-1200 rev/min of dispersed with stirring 10-14 minute; Each raw material after above-mentioned processing is mixed with each raw material of residue, and ball milling is abundant, crosses 100-120 mesh sieve, obtains described compounded mix.
A preparation method for double wall corrugated high-density polyethylene pipes, comprises the following steps:
Above-mentioned Fluorspar Powder is mixed with polycarbonate, after stirring, add tartrate, 100-200 rev/min of dispersed with stirring 3-5 minute, add each raw material of residue, at 120-140 ℃ of temperature, stir, automatically cooling after stirring, after vibratory screening apparatus, automatic charging, by twin screw extruder, through High Temperature High Pressure, extruded, after forming machine is pulled out product, by cutting machine fixed length cutting, send into pipe-expanding machine, packing warehouse-in after enlarging completes.
Advantage of the present invention is:
Corrugated tube of the present invention has good tensile strength, elongation at break, notched Izod impact strength, also has good mechanical property and friction resistant performance.
Embodiment
Embodiment 1
, it by following weight parts (kilogram) raw material form:
High density polyethylene(HDPE) 86, polycarbonate 2, tetradecane diprotic acid 3, tartrate 2, octyl group isothiazolinone 1, tetramethyl thiourea 0.5, N-ethyl-adjacency pair toluol sulfonamide 2, Fluorspar Powder 4, potassium primary phosphate 2, poly--4-methyl-1-pentene 4, compounded mix 10;
Described compounded mix is comprised of the raw material of following weight parts:
Laterite 40, black husky 4, Graphite Powder 99 12, light calcium carbonate 6, polyvinyl alcohol 3, tri (propylene glycol) diacrylate 3, methacrylic acid-2-hydroxy methacrylate 2, tea-polyphenol 2, aminopropyl triethoxysilane 0.6, oleoresin capsicum 0.3;
Above-mentioned laterite and Hei Sha are mixed, calcine 2 hours at 700 ℃, after discharging is cooling, mixes with light calcium carbonate, pulverize; Above-mentioned Graphite Powder 99 is mixed with polyvinyl alcohol, and ball milling is even, is heated to 85 ℃, insulated and stirred 6 minutes, and reducing temperature is 60 ℃, adds aminopropyl triethoxysilane, 1200 revs/min of dispersed with stirring 14 minutes; Each raw material after above-mentioned processing is mixed with each raw material of residue, and ball milling is abundant, crosses 120 mesh sieves, obtains described compounded mix.
A preparation method for double wall corrugated high-density polyethylene pipes, comprises the following steps:
Above-mentioned Fluorspar Powder is mixed with polycarbonate, after stirring, add tartrate, 200 revs/min of dispersed with stirring 5 minutes, add each raw material of residue, at 140 ℃ of temperature, stir, automatically cooling after stirring, after vibratory screening apparatus, automatic charging, by twin screw extruder, through High Temperature High Pressure, extruded, after forming machine is pulled out product, by cutting machine fixed length cutting, send into pipe-expanding machine, packing warehouse-in after enlarging completes.
Performance test:
Impact property (TIR) :≤10%;
Ring stiffness (KN/m 2): 13.23;
Ring is flexible: sample is round and smooth, crack-free, and two walls are without disengagement, without reverse bending;
Baking oven experiment (110 ℃, 30min): without layering, without cracking, without bubble.

Claims (2)

1. a double wall corrugated high-density polyethylene pipes, is characterized in that what it was comprised of the raw material of following weight parts:
High density polyethylene(HDPE) 80-86, polycarbonate 2-3, tetradecane diprotic acid 2-3, tartrate 1-2, octyl group isothiazolinone 1-2, tetramethyl thiourea 0.5-1, N-ethyl-adjacency pair toluol sulfonamide 1-2, Fluorspar Powder 4-5, potassium primary phosphate 1-2, poly--4-methyl-1-pentene 2-4, compounded mix 7-10;
Described compounded mix is comprised of the raw material of following weight parts:
Laterite 32-40, black husky 4-5, Graphite Powder 99 10-12, light calcium carbonate 6-8, polyvinyl alcohol 2-3, tri (propylene glycol) diacrylate 2-3, methacrylic acid-2-hydroxy methacrylate 2-3, tea-polyphenol 2-3, aminopropyl triethoxysilane 0.6-1, oleoresin capsicum 0.1-0.3;
Above-mentioned laterite and Hei Sha are mixed, calcine 2-3 hour at 600-700 ℃, after discharging is cooling, mixes with light calcium carbonate, pulverize; Above-mentioned Graphite Powder 99 is mixed with polyvinyl alcohol, and ball milling is even, is heated to 75-85 ℃, insulated and stirred 3-6 minute, and reduction temperature is 50-60 ℃, adds aminopropyl triethoxysilane, 1000-1200 rev/min of dispersed with stirring 10-14 minute; Each raw material after above-mentioned processing is mixed with each raw material of residue, and ball milling is abundant, crosses 100-120 mesh sieve, obtains described compounded mix.
2. a preparation method for double wall corrugated high-density polyethylene pipes as claimed in claim 1, is characterized in that comprising the following steps:
Above-mentioned Fluorspar Powder is mixed with polycarbonate, after stirring, add tartrate, 100-200 rev/min of dispersed with stirring 3-5 minute, add each raw material of residue, at 120-140 ℃ of temperature, stir, automatically cooling after stirring, after vibratory screening apparatus, automatic charging, by twin screw extruder, through High Temperature High Pressure, extruded, after forming machine is pulled out product, by cutting machine fixed length cutting, send into pipe-expanding machine, packing warehouse-in after enlarging completes.
CN201310524356.0A 2013-10-30 2013-10-30 High-density polyethylene double-wall corrugated tube Pending CN103554601A (en)

Priority Applications (1)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104371167A (en) * 2014-11-05 2015-02-25 河南联塑实业有限公司 Enhanced HDPE double-wall corrugated pipe and preparation method thereof
CN104629147A (en) * 2015-02-09 2015-05-20 杭州波达塑料科技股份有限公司 High-temperature-resistant dewaxing molecular sieve double-wall corrugated pipe and preparation method
CN105037886A (en) * 2015-07-24 2015-11-11 潍坊友容实业有限公司 Good-pressure-resistance salt elimination concealed pipe for saline and alkali soil and application of the same
CN105440417A (en) * 2016-01-11 2016-03-30 宁波高新区辉门科技有限公司 High-density polyethylene anti-impact plastic and preparation method of high-density polyethylene anti-impact plastic
CN105462043A (en) * 2016-01-11 2016-04-06 宁波高新区辉门科技有限公司 Flame retardant type safety protection plastic and preparation method thereof
CN105462041A (en) * 2016-01-11 2016-04-06 宁波高新区辉门科技有限公司 Polymer heat-resisting plastic and preparation method thereof
CN105504454A (en) * 2016-01-11 2016-04-20 宁波高新区辉门科技有限公司 Anti-sunshine machine protection cover plastic and preparation method thereof
CN105542278A (en) * 2016-01-11 2016-05-04 宁波高新区辉门科技有限公司 Antistatic plastic for electronics and electrical appliances and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1821297A (en) * 2006-03-09 2006-08-23 安徽国风集团有限公司 Nano modified poly ethylene large caliber double wall corrugated pipe
CN102786730A (en) * 2012-08-07 2012-11-21 安徽国通高新管业股份有限公司 HDPE (high-density polyethylene) double-wall corrugated pipe with high ring stiffness
CN102964662A (en) * 2012-11-20 2013-03-13 贵州和元管道有限公司 Double-wall corrugated pipe manufactured by modifying waste HDPE (High-Density Polyethylene) regenerated plastics with LLDPE (Linear Low Density Polyethylene) and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1821297A (en) * 2006-03-09 2006-08-23 安徽国风集团有限公司 Nano modified poly ethylene large caliber double wall corrugated pipe
CN102786730A (en) * 2012-08-07 2012-11-21 安徽国通高新管业股份有限公司 HDPE (high-density polyethylene) double-wall corrugated pipe with high ring stiffness
CN102964662A (en) * 2012-11-20 2013-03-13 贵州和元管道有限公司 Double-wall corrugated pipe manufactured by modifying waste HDPE (High-Density Polyethylene) regenerated plastics with LLDPE (Linear Low Density Polyethylene) and manufacturing method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104371167A (en) * 2014-11-05 2015-02-25 河南联塑实业有限公司 Enhanced HDPE double-wall corrugated pipe and preparation method thereof
CN104371167B (en) * 2014-11-05 2016-08-24 河南联塑实业有限公司 A kind of enhancing HDPE double-wall corrugated pipe and preparation method thereof
CN104629147A (en) * 2015-02-09 2015-05-20 杭州波达塑料科技股份有限公司 High-temperature-resistant dewaxing molecular sieve double-wall corrugated pipe and preparation method
CN105037886A (en) * 2015-07-24 2015-11-11 潍坊友容实业有限公司 Good-pressure-resistance salt elimination concealed pipe for saline and alkali soil and application of the same
CN105440417A (en) * 2016-01-11 2016-03-30 宁波高新区辉门科技有限公司 High-density polyethylene anti-impact plastic and preparation method of high-density polyethylene anti-impact plastic
CN105462043A (en) * 2016-01-11 2016-04-06 宁波高新区辉门科技有限公司 Flame retardant type safety protection plastic and preparation method thereof
CN105462041A (en) * 2016-01-11 2016-04-06 宁波高新区辉门科技有限公司 Polymer heat-resisting plastic and preparation method thereof
CN105504454A (en) * 2016-01-11 2016-04-20 宁波高新区辉门科技有限公司 Anti-sunshine machine protection cover plastic and preparation method thereof
CN105542278A (en) * 2016-01-11 2016-05-04 宁波高新区辉门科技有限公司 Antistatic plastic for electronics and electrical appliances and preparation method thereof

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Application publication date: 20140205