CN104098820A - Anti-corrosion PE water supply pipe and preparation method thereof - Google Patents

Anti-corrosion PE water supply pipe and preparation method thereof Download PDF

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Publication number
CN104098820A
CN104098820A CN201410271806.4A CN201410271806A CN104098820A CN 104098820 A CN104098820 A CN 104098820A CN 201410271806 A CN201410271806 A CN 201410271806A CN 104098820 A CN104098820 A CN 104098820A
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acid
corrosion
esters
beta
preparation
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CN201410271806.4A
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Chinese (zh)
Inventor
刘少平
蒋成斌
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ANHUI DINGYUAN ZHENYUN PLASTICS Co Ltd
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ANHUI DINGYUAN ZHENYUN PLASTICS Co Ltd
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Priority to CN201410271806.4A priority Critical patent/CN104098820A/en
Publication of CN104098820A publication Critical patent/CN104098820A/en
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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
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/12—Rigid pipes of plastics with or without reinforcement
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—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
    • C08L2207/068—Ultra high molecular weight polyethylene
    • 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
    • C08L2207/10—Peculiar tacticity
    • C08L2207/14—Amorphous or atactic polypropylene

Abstract

The invention discloses an anti-corrosion PE water supply pipe and a preparation method thereof. The pipe is prepared from the following raw materials by weight part: 46-62 of ultra-high molecular weight polyethylene, 22-36 of polyphenylene sulfide, 12-24 of a liquid crystal polymer, 10-15 of terpene resin, 16-22 of precipitated barium sulphate, 10-15 of magnesia, 8-14 of nano-calcium titanate, 2-3 of dibasic lead phthalate, 1.5-2.5 of zinc ricinate, 1-2 of barium ricinate, 2-3 of trimethylolpropane, 1-2 of thiodiethylene glycol bis(beta-aminocrotonic acid)ester, 1.5-2.5 of stearoylbenzoylmethane, 2-4 of docosanamide, 3-5 of glycerol triacetylricinoleate, 4-8 of solid paraffin, 22-28 of filling masterbatch, 10-15 of liquid nitrile rubber, 1-2 of 1, 4-cyclohexanedimethanol dibenzoate, and 1-2 of N, N'-bis[beta-(3, 5-di-tert-butyl-4-hydroxyphenyl)propionyl]hydrazine. The PE pipe provided by the invention has excellent resistance to chemical corrosion, can resist erosion of a variety of chemical mediums, especially acid, alkali, salt and oil, and is free of electrochemical corrosion, has strong adaptability to the environment, does not rot or corrode after long-term use, and is durable in use.

Description

A kind of corrosion-resistant PE water-feeding pipes and preparation method thereof
Technical field
The present invention relates to a kind of PE tubing and preparation method thereof, be specifically related to a kind of corrosion-resistant PE water-feeding pipes and preparation method thereof.
Background technology
PE tubing is because having the features such as intensity is high, high temperature resistant, anticorrosive, nontoxic, wear-resisting, and the manufacture field that is widely used in feeding water, is traditional iron and steel tubing, the regeneration product of polyvinyl chloride drinking-water pipe.In recent years, along with the fast development of scientific and technological level and improving constantly of living standards of the people, more and more high to the performance requriements of PE water-feeding pipes, PE water-feeding pipes corrosion resistance nature is in the market poor, under acid, alkali, wet goods corrosive medium, easily there is raw rotten, galvanic corrosion phenomenon, greatly reduce the work-ing life of PE pipe, limited its range of application.Therefore, be badly in need of a kind of corrosion-resistant PE water-feeding pipes of exploitation, to meet market demands.
Summary of the invention
The object of the invention is to overcome the defect of prior art, PE water-feeding pipes of a kind of dielectric corrosion of resistance to number of chemical and preparation method thereof is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of corrosion-resistant PE water-feeding pipes, raw material by following weight part is made: ultrahigh molecular weight polyethylene(UHMWPE) 46-62, polyphenylene sulfide 22-36, liquid crystalline polymers 12-24, terpine resin 10-15, process white 16-22, magnesia 10-15, nano barium titanate calcium 8-14, Dythal 2-3, zinc ricinate 1.5-2.5, ricinolic acid barium 1-2, TriMethylolPropane(TMP) 2-3, two (beta-amino butenoic acid) the ester 1-2 of thio-diethylene glycol, stearoyl benzoyl methane 1.5-2.5, wych-elm acid acid amides 2-4, glycerine triacetyl ricinoleate 3-5, solid paraffin 4-8, filler parent granule 22-28, liquid acrylonitrile butadiene rubber 10-15, 1, 4-cyclohexane dimethanol bisbenzoate 1-2, N, N '-bis-[β-(3, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1-2,
The preparation method of described filler parent granule is as follows: a, take the raw material of following weight part: serpentine 35-45, diatomite 25-35, agalmatolite 15-20, peridotites 10-15, mountain Yu oxygen base polydimethylsiloxane 1.5-2.5, distearyl acyl-oxygen sec.-propyl Aluminate 2-3, dinoctyl phthalate 10-15, hexanodioic acid two isodecyl alkyl ester 10-15, decyl tetradecyl alcohol cetearyl alcohol acid esters 1.5-2.5, two PIVALIC ACID CRUDE (25) polyoxypropylene ester 2-3, stearic acid 3-6, OP wax 4-8, PAUR 30-40, methyl methacrylate-acrylonitrile-butadiene-styrene copolymer 25-35, Atactic Polypropelene 45-55, b, get diatomite, agalmatolite mixes, pulverized 150-200 mesh sieve, 850-900 ℃ of calcining 1-2h, after being cooled to room temperature, add mountain Yu oxygen base polydimethylsiloxane, dinoctyl phthalate, decyl tetradecyl alcohol cetearyl alcohol acid esters, after high-speed mixing 3-5min, together input in double-screw extruding pelletizing machine with methyl methacrylate-acrylonitrile-butadiene-styrene copolymer, melt extrude granulation and obtain master batch A, c, get serpentine, peridotites mixes, pulverized 150-200 mesh sieve, 940-980 ℃ of calcining 1-2h, after being cooled to room temperature, add distearyl acyl-oxygen sec.-propyl Aluminate, hexanodioic acid two isodecyl alkyl esters, two PIVALIC ACID CRUDE (25) polyoxypropylene esters, after high-speed mixing 4-6min, together input in double-screw extruding pelletizing machine with PAUR, melt extrude granulation and obtain mother particle B, d, the above-mentioned master batch A making, mother particle B are mixed in rear input double-screw extruding pelletizing machine with Atactic Polypropelene, OP wax, stearic acid, melt extrude granulation and obtain required filler parent granule.
The preparation method of corrosion-resistant PE water-feeding pipes of the present invention, comprises the following steps:
(1) get in ultrahigh molecular weight polyethylene(UHMWPE), terpine resin, solid paraffin, zinc ricinate, ricinolic acid barium, two (beta-amino butenoic acid) esters of thio-diethylene glycol, stearoyl benzoyl methane, process white, magnesia, nano barium titanate calcium, liquid acrylonitrile butadiene rubber input kneader and mediate, treat that material frictional heat is to 100-110 ℃, material is entered in cold mixer and lowered the temperature, discharging when temperature drops to below 50 ℃, obtains compound A;
(2) get in surplus stock input kneader and mediate, treat that material frictional heat, to 85-95 ℃, enters material in cold mixer and lowers the temperature, discharging when temperature drops to below 40 ℃, obtains compound B;
(3) deliver to extrusion moulding in twin screw extruder after the compound A of above-mentioned gained and compound B are mixed and make tubing.
Beneficial effect of the present invention:
PE tubing of the present invention has excellent chemical resistance, erosion, particularly acid, alkali, salt, oil that can the medium of resistance to number of chemical, and without galvanic corrosion, and the strong adaptability to environment, life-time service without putrefaction, does not corrode, durable in use.
Embodiment
A kind of corrosion-resistant PE water-feeding pipes, raw material by following weight (kg) is made: ultrahigh molecular weight polyethylene(UHMWPE) 58, polyphenylene sulfide 32, liquid crystalline polymers 18, terpine resin 12, process white 18, magnesia 12, nano barium titanate calcium 10, Dythal 2.5, zinc ricinate 2, ricinolic acid barium 1.5, TriMethylolPropane(TMP) 2.5, two (beta-amino butenoic acid) esters 1.5 of thio-diethylene glycol, stearoyl benzoyl methane 2, wych-elm acid acid amides 3, glycerine triacetyl ricinoleate 4, solid paraffin 6, filler parent granule 26, liquid acrylonitrile butadiene rubber 12, 1, 4-cyclohexane dimethanol bisbenzoate 1.5, N, N '-bis-[β-(3, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1,
The preparation method of described filler parent granule is as follows: a, take the raw material of following weight (kg): serpentine 40, diatomite 30, agalmatolite 16, peridotites 14, mountain Yu oxygen base polydimethylsiloxane 2, distearyl acyl-oxygen sec.-propyl Aluminate 2.5, dinoctyl phthalate 12, hexanodioic acid two isodecyl alkyl esters 15, decyl tetradecyl alcohol cetearyl alcohol acid esters 2.5, two PIVALIC ACID CRUDE (25) polyoxypropylene esters 3, stearic acid 5, OP wax 7, PAUR 36, methyl methacrylate-acrylonitrile-butadiene-styrene copolymer 28, Atactic Polypropelene 52, b, get diatomite, agalmatolite mixes, pulverized 150 mesh sieves, 880 ℃ of calcining 1h, after being cooled to room temperature, add mountain Yu oxygen base polydimethylsiloxane, dinoctyl phthalate, decyl tetradecyl alcohol cetearyl alcohol acid esters, after high-speed mixing 4min, together input in double-screw extruding pelletizing machine with methyl methacrylate-acrylonitrile-butadiene-styrene copolymer, melt extrude granulation and obtain master batch A, c, get serpentine, peridotites mixes, pulverized 150 mesh sieves, 950 ℃ of calcining 2h, after being cooled to room temperature, add distearyl acyl-oxygen sec.-propyl Aluminate, hexanodioic acid two isodecyl alkyl esters, two PIVALIC ACID CRUDE (25) polyoxypropylene esters, after high-speed mixing 5min, together input in double-screw extruding pelletizing machine with PAUR, melt extrude granulation and obtain mother particle B, d, the above-mentioned master batch A making, mother particle B are mixed in rear input double-screw extruding pelletizing machine with Atactic Polypropelene, OP wax, stearic acid, melt extrude granulation and obtain required filler parent granule.
The preparation method of corrosion-resistant PE water-feeding pipes, comprises the following steps:
(1) get in ultrahigh molecular weight polyethylene(UHMWPE), terpine resin, solid paraffin, zinc ricinate, ricinolic acid barium, two (beta-amino butenoic acid) esters of thio-diethylene glycol, stearoyl benzoyl methane, process white, magnesia, nano barium titanate calcium, liquid acrylonitrile butadiene rubber input kneader and mediate, treat material frictional heat to 110 ℃, material is entered in cold mixer and lowered the temperature, discharging when temperature drops to below 50 ℃, obtains compound A;
(2) get in surplus stock input kneader and mediate, treat material frictional heat to 95 ℃, material is entered in cold mixer and lowered the temperature, discharging when temperature drops to below 40 ℃, obtains compound B;
(3) deliver to extrusion moulding in twin screw extruder after the compound A of above-mentioned gained and compound B are mixed and make tubing.
The above-mentioned PE water-feeding pipes Performance Detection making is as shown in the table:
Test item Detected result
Tensile strength (MPa) 44
Yield strength (MPa) 35
Modulus in tension (MPa) 1320
Bending elastic modulus (GPa) 1.5
Ultimate compression strength (MPa) 22
Rate extending longitudinally (%) 860
Aging coefficient (70 ℃, 144h) 0.88
Acid resistance test (10% hydrochloric acid, 60 ℃, 48h) Corrosion-free phenomenon
Alkali resistance test (40% sodium hydroxide, 60 ℃, 48h) Corrosion-free phenomenon
Vicat softening temperature (℃) 106

Claims (2)

1. a corrosion-resistant PE water-feeding pipes, it is characterized in that, raw material by following weight part is made: ultrahigh molecular weight polyethylene(UHMWPE) 46-62, polyphenylene sulfide 22-36, liquid crystalline polymers 12-24, terpine resin 10-15, process white 16-22, magnesia 10-15, nano barium titanate calcium 8-14, Dythal 2-3, zinc ricinate 1.5-2.5, ricinolic acid barium 1-2, TriMethylolPropane(TMP) 2-3, two (beta-amino butenoic acid) the ester 1-2 of thio-diethylene glycol, stearoyl benzoyl methane 1.5-2.5, wych-elm acid acid amides 2-4, glycerine triacetyl ricinoleate 3-5, solid paraffin 4-8, filler parent granule 22-28, liquid acrylonitrile butadiene rubber 10-15, 1, 4-cyclohexane dimethanol bisbenzoate 1-2, N, N '-bis-[β-(3, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1-2,
The preparation method of described filler parent granule is as follows: a, take the raw material of following weight part: serpentine 35-45, diatomite 25-35, agalmatolite 15-20, peridotites 10-15, mountain Yu oxygen base polydimethylsiloxane 1.5-2.5, distearyl acyl-oxygen sec.-propyl Aluminate 2-3, dinoctyl phthalate 10-15, hexanodioic acid two isodecyl alkyl ester 10-15, decyl tetradecyl alcohol cetearyl alcohol acid esters 1.5-2.5, two PIVALIC ACID CRUDE (25) polyoxypropylene ester 2-3, stearic acid 3-6, OP wax 4-8, PAUR 30-40, methyl methacrylate-acrylonitrile-butadiene-styrene copolymer 25-35, Atactic Polypropelene 45-55, b, get diatomite, agalmatolite mixes, pulverized 150-200 mesh sieve, 850-900 ℃ of calcining 1-2h, after being cooled to room temperature, add mountain Yu oxygen base polydimethylsiloxane, dinoctyl phthalate, decyl tetradecyl alcohol cetearyl alcohol acid esters, after high-speed mixing 3-5min, together input in double-screw extruding pelletizing machine with methyl methacrylate-acrylonitrile-butadiene-styrene copolymer, melt extrude granulation and obtain master batch A, c, get serpentine, peridotites mixes, pulverized 150-200 mesh sieve, 940-980 ℃ of calcining 1-2h, after being cooled to room temperature, add distearyl acyl-oxygen sec.-propyl Aluminate, hexanodioic acid two isodecyl alkyl esters, two PIVALIC ACID CRUDE (25) polyoxypropylene esters, after high-speed mixing 4-6min, together input in double-screw extruding pelletizing machine with PAUR, melt extrude granulation and obtain mother particle B, d, the above-mentioned master batch A making, mother particle B are mixed in rear input double-screw extruding pelletizing machine with Atactic Polypropelene, OP wax, stearic acid, melt extrude granulation and obtain required filler parent granule.
2. the preparation method of corrosion-resistant PE water-feeding pipes according to claim 1, is characterized in that comprising the following steps:
(1) get in ultrahigh molecular weight polyethylene(UHMWPE), terpine resin, solid paraffin, zinc ricinate, ricinolic acid barium, two (beta-amino butenoic acid) esters of thio-diethylene glycol, stearoyl benzoyl methane, process white, magnesia, nano barium titanate calcium, liquid acrylonitrile butadiene rubber input kneader and mediate, treat that material frictional heat is to 100-110 ℃, material is entered in cold mixer and lowered the temperature, discharging when temperature drops to below 50 ℃, obtains compound A;
(2) get in surplus stock input kneader and mediate, treat that material frictional heat, to 85-95 ℃, enters material in cold mixer and lowers the temperature, discharging when temperature drops to below 40 ℃, obtains compound B;
(3) deliver to extrusion moulding in twin screw extruder after the compound A of above-mentioned gained and compound B are mixed and make tubing.
CN201410271806.4A 2014-06-18 2014-06-18 Anti-corrosion PE water supply pipe and preparation method thereof Pending CN104098820A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105385008A (en) * 2015-12-09 2016-03-09 无锡拓能自动化科技有限公司 Preparation method of chemical corrosion resistant PE pipe
CN110951143A (en) * 2019-12-17 2020-04-03 河南万恒塑胶有限公司 Corrosion-resistant PE water supply pipe and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1247204A (en) * 1999-09-24 2000-03-15 中国科学院化学研究所 High-density polyethylene composition and its pipe material
EP1146079A1 (en) * 2000-04-13 2001-10-17 Borealis Technology Oy Polymer composition for pipes
US20030005973A1 (en) * 2001-07-06 2003-01-09 Norio Watanabe Plastic pipe and manufacturing method therefor
CN101367951A (en) * 2008-08-07 2009-02-18 上海金发科技发展有限公司 Method for preparing master batch with high-powder content

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1247204A (en) * 1999-09-24 2000-03-15 中国科学院化学研究所 High-density polyethylene composition and its pipe material
EP1146079A1 (en) * 2000-04-13 2001-10-17 Borealis Technology Oy Polymer composition for pipes
US20030005973A1 (en) * 2001-07-06 2003-01-09 Norio Watanabe Plastic pipe and manufacturing method therefor
CN101367951A (en) * 2008-08-07 2009-02-18 上海金发科技发展有限公司 Method for preparing master batch with high-powder content

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105385008A (en) * 2015-12-09 2016-03-09 无锡拓能自动化科技有限公司 Preparation method of chemical corrosion resistant PE pipe
CN110951143A (en) * 2019-12-17 2020-04-03 河南万恒塑胶有限公司 Corrosion-resistant PE water supply pipe and preparation method thereof

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Application publication date: 20141015