CN105175854A - Reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe - Google Patents
Reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe Download PDFInfo
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- CN105175854A CN105175854A CN201510536572.6A CN201510536572A CN105175854A CN 105175854 A CN105175854 A CN 105175854A CN 201510536572 A CN201510536572 A CN 201510536572A CN 105175854 A CN105175854 A CN 105175854A
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- 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
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- 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
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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
- 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
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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
- 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)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe. The reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe comprises the following raw materials in parts by weight: 55-70 parts of polyethylene resin, 10-25 parts of a processing agent, 15-30 parts of a powder filler, 0.1-2 parts of a thermal stabilizer, 0.1-3 parts of a dispersant, 1.2-5 parts of a powder surfactant and 1-5 parts of color masterbatch. The invention can provide a tubular product of the HDPE hollow all winding pipe, and the strength and toughness of the HDPE hollow all winding pipe can be enhanced, so that the strength and toughness of the tubular product are improved. The longitudinal shrinkage rate of the winding pipe is less than or equal to 3 parts, and the winding pipe is free of cracking and layering, the tightness is that no cracks and body openings are available, and meanwhile, the winding pipe meets a buried HDPE structured wall pipeline system of GB/T19472.2-2004.
Description
Technical field
The present invention relates to Production of Plastic Building Materials field, be specifically related to a kind of activeness and quietness HDPE hollow spiral tube.
Background technology
Hollow wound pipe be a kind of with high density polyethylene(HDPE) (HDPE) for raw material, through being wound around a kind of tubing of fusion molding, compared with traditional structure drainage pipe, due to the moulding process of its uniqueness, maximumly can produce the tubing that diameter reaches 3 meters, greatly improve urban sewage water drainage ability; High density polyethylene(HDPE) (HDPE) not only ensure that product forming technique and quality product due to the welding property of melting of itself excellence, and be that construction connection provides multiple reliable fashion, as electric heating melting welding, thermal contraction connects etc., this is also the major reason that leakage scenarios seldom occurs simultaneously, exactly because also this reason, this tubing just has the environment-friendly function of the uniqueness that other tubing does not possess, and this provides very effective method to the prevention and cure of pollution that current people pay close attention to.
But on market, the tubing intensity of existing HDPE hollow spiral tube and toughness still do not reach requirement, and therefore work-ing life is lower.
Summary of the invention
For above problems of the prior art, the invention provides a kind of activeness and quietness HDPE hollow spiral tube, intensity and the toughness of HDPE hollow spiral tube can be increased.
The present invention is achieved by the following technical solutions:
A kind of activeness and quietness HDPE hollow spiral tube, it mixes extrusion molding by following parts by weight of raw materials and forms:
Further, described parts by weight of raw materials also includes Walocel MT 20.000PV 40-45 part, modified cyanurotriamide resin 42-46 part, Hydroxyethyl acrylate 30-35 part.
Further, described processing aid is one or more in HDPE graft copolymer, floride-free polyethylene and ethylene copolymers and silane cross-linked polyolefin multipolymer.
Further, described powder filled thing is the powder of inorganic mineral powder body plate shape, spherical, cubic and filamentary structure.
Further, described powder filled thing is one or more of calcium carbonate, talcum powder, kaolin, mica, Graphite Powder 99, wollastonite, glass microballon, diatomite and glass fibre.
Further, described thermo-stabilizer be Hinered phenols antioxidant, suffocated amine antioxidant, phosphite ester kind antioxidant, hydrolysis-resisting agent and benzo three frustrate in class UV light absorber one or more.
Further, described dispersion agent is one or more in stearic acid or its ester class, salt, metal soap and polyolefin oligomer class.
Further, described powder surface activator is one or more in Organo-modified polyoxy silane, titanic acid ester and aluminate coupling agent.
Further, described colour batch is HDPE black masterbatch.
Wherein, polyvinyl resin is high, the nonpolar thermoplastic resin of a kind of degree of crystallinity, and have good thermotolerance and winter hardiness, chemical stability is good, also has higher rigidity and toughness, and physical strength is good.Dielectric properties, environmental stress crack resistance is also better.
Walocel MT 20.000PV has the performance of thickening, film forming, gluing, water tariff collection, colloid protection, emulsification and suspension.
Modified cyanurotriamide resin has very strong thermotolerance, photostabilization, water tolerance, chemical proofing, arc resistance, can strengthen the wet tenacity of material.
Hydroxyethyl acrylate have active dilution property, crosslinked action, simultaneously can as resin cross-linking agent, there is modifying function.
Processing aid, powder surface activator can reduce the molecular force between molten polymer, make molecular chain Relative sliding and rotation, reduce intermolecular internal friction, improve mobility.Form at polymer melt and equipment interface place the lubricant layer aligned simultaneously, play buffer action, reduce friction between the two, improve stripping result.
Powder filled thing has the function of enhancing, is filled in reticulated structure, utilizes its structure, particle diameter difference, dense packing effect, improves product strength and Young's modulus;
Thermo-stabilizer can shield or absorb ultraviolet energy, quenching singlet oxygen and hydroperoxide decomposition is become inactive substance, makes high molecular polymer under the radiation of light, can get rid of or slow down photochemical reaction possibility, stop or postpone the process of photoaging, thus improve weathering resistance.Reach the object extending high polymer product work-ing life.
Dispersion agent utilizes self polarity and nonpolar pair of group properties, framework bridge between resin, pigment, improves consistency and the dispersiveness of coupling carrier and pigment;
Colour batch has painted, good dispersion agent and resistance to migration.
Therefore the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system is met.
Beneficial effect of the present invention is: the present invention can provide a kind of tubing of HDPE hollow spiral tube, intensity and the toughness of HDPE hollow spiral tube can be increased, therefore improve the work-ing life of pipeline, tubing longitudinal welds≤3 part of the present invention, and without cracking without layering, ring stiffness >=corresponding grade, impact property≤10 part, the flexible 30 parts of crack-frees of ring, the tensile strength N > respective intensities of seam, creep ratio≤4, stopping property is crack-free ne-leakage, meet the requirement of the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls pipeline system standard.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment 1
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 55 parts, Walocel MT 20.000PV 40 parts, and the mixture of glass microballon, diatomite and glass fibre is 15 parts, Hinered phenols antioxidant is 0.5 part, stearic acid or its ester class are 0.5 part, and Organo-modified polyoxy silane is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system
Embodiment 2
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 65 parts, Walocel MT 20.000PV 41 parts, modified cyanurotriamide resin 42 parts, Hydroxyethyl acrylate 34 parts, floride-free polyethylene and ethylene copolymers 25 parts, the mixture of mica, Graphite Powder 99, wollastonite, glass microballon, diatomite and glass fibre is 15 parts, suffocated amine antioxidant is 0.5 part, the mixture of stearic acid or its ester class, salt, metal soap and polyolefin oligomer class is 0.5 part, the mixture of Organo-modified polyoxy silane, titanic acid ester and aluminate coupling agent is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system.
Embodiment 3
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 60 parts, Walocel MT 20.000PV 42 parts, modified cyanurotriamide resin 43 parts, Hydroxyethyl acrylate 33 parts, silane cross-linked polyolefin multipolymer 25 parts, Graphite Powder 99 is 15 parts, suffocated amine antioxidant is 0.5 part, polyolefin oligomer class is 0.5 part, and aluminate coupling agent is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system.
Embodiment 4
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 58 parts, Walocel MT 20.000PV 43 parts, modified cyanurotriamide resin 44 parts, Hydroxyethyl acrylate 31 parts, 25 parts, the mixture of HDPE graft copolymer and floride-free polyethylene and ethylene copolymers, the mixture of calcium carbonate, talcum powder, kaolin, mica and Graphite Powder 99 is 15 parts, phosphite ester kind antioxidant is 0.5 part, metal soap is 0.5 part, and titanic acid ester is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system.
Embodiment 5
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 66 parts, Walocel MT 20.000PV 45 parts, modified cyanurotriamide resin 45 parts, Hydroxyethyl acrylate 30 parts, the mixture of HDPE graft copolymer, floride-free polyethylene and ethylene copolymers and silane cross-linked polyolefin multipolymer is 25 parts, the mixture of kaolin, mica and Graphite Powder 99 is 15 parts, the mixture that class UV light absorber frustrated by Hinered phenols antioxidant, suffocated amine antioxidant, phosphite ester kind antioxidant, hydrolysis-resisting agent and benzo three is 0.5 part, salt is 0.5 part, titanic acid ester is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system.
Embodiment 6
The parts by weight of raw materials of tubing is as follows:
Polyvinyl resin is 70 parts, Walocel MT 20.000PV 40 parts, modified cyanurotriamide resin 46 parts, Hydroxyethyl acrylate 35 parts, HDPE graft copolymer is 25 parts, and the mixture of glass microballon, diatomite and glass fibre is 15 parts, Hinered phenols antioxidant is 0.5 part, stearic acid or its ester class are 0.5 part, and Organo-modified polyoxy silane is 1.5 parts, and HDPE black masterbatch is 2.5 parts.
Its preparation method is as follows: first weighed by the component of above-mentioned raw materials by above-mentioned needs, then the raw material of above-mentioned weight part is put in Banbury mixer and carry out banburying, material after banburying is transferred in forcing machine and carries out extruding pelletization, colour batch after granulation is carried out air-cooled, material after air-cooled is transferred in forcing machine and again carries out secondary and extrude, be wound around cooling forming.
The function of the pipeline that tubing is formed is as follows:
| Function | Numerical value |
| Longitudinal welds | ≤ 3%, without cracking without layering |
| Ring stiffness | >=corresponding grade |
| Impact property | ≤10％ |
| Ring is flexible | 30 parts of crack-frees |
| The tensile strength N of seam | > respective intensities |
| Creep ratio | ≤4 |
| Stopping property | Crack-free is without body mouth |
Wherein meet the buried polyethylene of GB/T19472.2-2004 (HDPE) structural walls tubing system.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an activeness and quietness HDPE hollow spiral tube, is characterized in that: it mixes extrusion molding by following parts by weight of raw materials and forms:
。
2. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described parts by weight of raw materials also includes Walocel MT 20.000PV 40-45 part, modified cyanurotriamide resin 42-46 part, Hydroxyethyl acrylate 30-35 part.
3. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described processing aid is one or more in HDPE graft copolymer, floride-free polyethylene and ethylene copolymers and silane cross-linked polyolefin multipolymer.
4. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described powder filled thing is the powder of inorganic mineral powder body plate shape, spherical, cubic and filamentary structure.
5. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1 or 4, is characterized in that: described powder filled thing is one or more of calcium carbonate, talcum powder, kaolin, mica, Graphite Powder 99, wollastonite, glass microballon, diatomite and glass fibre.
6. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described thermo-stabilizer be Hinered phenols antioxidant, suffocated amine antioxidant, phosphite ester kind antioxidant, hydrolysis-resisting agent and benzo three frustrate in class UV light absorber one or more.
7. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described dispersion agent is one or more in stearic acid or its ester class, salt, metal soap and polyolefin oligomer class.
8. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described powder surface activator is one or more in Organo-modified polyoxy silane, titanic acid ester and aluminate coupling agent.
9. a kind of activeness and quietness HDPE hollow spiral tube according to claim 1, is characterized in that: described colour batch is HDPE black masterbatch.
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| CN201510536572.6A CN105175854A (en) | 2015-08-26 | 2015-08-26 | Reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe |
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|---|---|---|---|
| CN201510536572.6A CN105175854A (en) | 2015-08-26 | 2015-08-26 | Reinforced and toughened HDPE (high-density polyethylene) hollow wall winding pipe |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419065A (en) * | 2016-01-11 | 2016-03-23 | 宁波高新区辉门科技有限公司 | Long-acting anti-aging plastic and preparation method thereof |
| CN106366412A (en) * | 2016-08-31 | 2017-02-01 | 葛彬斌 | Hard oxidation-resistant polyethylene pipe material and preparation method thereof |
| CN107236172A (en) * | 2017-07-13 | 2017-10-10 | 上海英煌管业科技有限公司 | A kind of fiber reinforcement polyethylene winding structure wall pipe and manufacture method and manufacture raw material |
| CN108929474A (en) * | 2018-08-07 | 2018-12-04 | 杭州毅而玛管业有限公司 | A kind of HDPE winding reinforcing pipe |
| CN109233041A (en) * | 2018-06-29 | 2019-01-18 | 安徽森米诺农业科技有限公司 | Foodstuff drying device pipeline material |
| CN109734988A (en) * | 2019-01-17 | 2019-05-10 | 湖北盈禄塑胶制品有限公司 | A kind of high ring rigidity internal-rib enhancing bellows and preparation method thereof |
| CN111853377A (en) * | 2020-06-28 | 2020-10-30 | 陕西飞天管业科技有限公司 | PE water supply pipe and preparation method thereof |
| CN112080057A (en) * | 2020-09-17 | 2020-12-15 | 江西龙正科技发展有限公司 | Polyethylene sewage discharge pipe and preparation method thereof |
| CN113174100A (en) * | 2021-04-28 | 2021-07-27 | 泰州市曙明塑胶有限公司 | HDPE enhancement mode winding arrangement wall pipe B type pipe |
| CN113337028A (en) * | 2021-07-20 | 2021-09-03 | 福建师范大学泉港石化研究院 | Plastic wall pipe and manufacturing method thereof |
| CN113563658A (en) * | 2021-08-03 | 2021-10-29 | 安徽杰蓝特新材料有限公司 | Flame-retardant high-temperature-resistant alloy winding pipe and preparation method thereof |
| CN114573896A (en) * | 2022-02-18 | 2022-06-03 | 日丰新材有限公司 | High-density polyethylene double-wall corrugated pipe and preparation method and application thereof |
| CN114573899A (en) * | 2022-03-22 | 2022-06-03 | 浙江盛纺纳米材料科技有限公司 | Laminating elastic material and preparation method thereof |
| CN114644806A (en) * | 2022-03-25 | 2022-06-21 | 安庆市悦发管业有限公司 | Withstand voltage HDPE winding pipe of inside lining X type cross bracing |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105419065A (en) * | 2016-01-11 | 2016-03-23 | 宁波高新区辉门科技有限公司 | Long-acting anti-aging plastic and preparation method thereof |
| CN106366412A (en) * | 2016-08-31 | 2017-02-01 | 葛彬斌 | Hard oxidation-resistant polyethylene pipe material and preparation method thereof |
| CN107236172A (en) * | 2017-07-13 | 2017-10-10 | 上海英煌管业科技有限公司 | A kind of fiber reinforcement polyethylene winding structure wall pipe and manufacture method and manufacture raw material |
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