CN104927165A - Corrosion resistant PE water pipe - Google Patents
Corrosion resistant PE water pipe Download PDFInfo
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- CN104927165A CN104927165A CN201510360720.3A CN201510360720A CN104927165A CN 104927165 A CN104927165 A CN 104927165A CN 201510360720 A CN201510360720 A CN 201510360720A CN 104927165 A CN104927165 A CN 104927165A
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- service pipe
- water service
- corrosion
- corrosion resistant
- pipe
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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
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
- C08L2205/02—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
-
- 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
-
- 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)
Abstract
The invention discloses a corrosion resistant PE water pipe. The raw materials of the pipe include, be weight percentage: 94% to 98% of HDPE (high-density polyethylene), 0.2% to 0.8% of masterbatch, 0.1% to 0.6% of phthalic acid ester, 0.3% to 0.5% of (BHT) 2,6-butylated hydroxytoluene, 0.4% to 0.7% of methyl thiopropionate, 0.2% to 0.6% of azobisformamide, 0.2% to 0.5% of di-n-octyltin moleate, 0.4% to 1.2% of tetrakis (beta-(3,5-di-t-butyl-4-hydroxyphenyl) propionate) pentaerythritol ester, 0.4% to 1.1% of EVA and 1% to 5% of clay nanocomposite. The pipe has fine chemical corrosion resistance, particularly in the complex chemical corrosion environments of acid, alkali and oil, corrosion of various chemical medias can be resisted, and the pipe is prevented from rotting and corrosion, is durable and has the practical value.
Description
Technical field
The present invention relates to tubing field, particularly the corrosion resistant PE water service pipe of one.
Background technology
PE water service pipe is widely used in building water supply, construction drainage, buried drain pipe etc.PE water service pipe has the following advantages: 1, transport performance is good, and the water delivery energy consumption of PE water service pipe is low, life energy consumption is low, lightweight, flow resistance is little, simple installation is rapid, cost is low, the life-span is long, have heat insulation function etc.; 2, have unique snappiness and the ability of excellent resistance to scratch, good flexibility makes PE water service pipe coil, and supplies with longer length, avoids a large amount of joints and pipe fitting; 3, there is good rapid crack and increase fracture toughness property, the pipe leakage accident occurred because pipeline generation rapid crack increases fracture can be reduced.In recent years, along with the development of science and technology, the performance requriements of people to PE water service pipe is also more and more higher, although the PE water service pipe sold in the market has certain corrosion resistance nature, but poor corrosion resistance, especially when acid, alkali, wet goods corrosive medium, PE water service pipe more easily corrodes, greatly reduce the work-ing life of PE water service pipe, people need often to change water service pipe, cause the waste of resource, need manufacturing enterprise to produce more PE water service pipe, this certainly will increase the weight of the pollution to environment simultaneously.At present, China there is no the strong PE water service pipe of a kind of erosion resistance.
Summary of the invention
For above deficiency, the technical problem to be solved in the present invention is: provide a kind of corrosion resistant PE water service pipe, it has the strong feature of erosion resistance, when at acid, alkali, wet goods corrosive medium, still have very strong corrosion resistance nature.
For achieving the above object, the present invention realizes by the following technical solutions:
A kind of corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 94% ~ 98%, look mother 0.2% ~ 0.8%, phthalic ester 0.1% ~ 0.6%, 2,6-ditertbutylparacresol (BHT) 0.3% ~ 0.5%, sulphur methyl propionate 0.4% ~ 0.7%, azobisformamide ABFA 0.2% ~ 0.6%, toxilic acid dioctyltin 0.2% ~ 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.4% ~ 1.2%, EVA0.4% ~ 1.1%, clay nanocomposites 1% ~ 5%.
Further preferably, described corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 96%, look mother 0.8%, phthalic ester 0.6%, 2,6-ditertbutylparacresol (BHT) 0.5%, sulphur methyl propionate 0.7%, azobisformamide ABFA 0.6%, toxilic acid dioctyltin 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2%, EVA1.1%, clay nanocomposites 3%.
The preparation method of above-mentioned corrosion resistant PE water service pipe, comprises the following steps:
1) polyethylene (HDPE), phthalic ester, 2 is weighed up by ratio requirement, 6-ditertbutylparacresol (BHT), sulphur methyl propionate, azobisformamide ABFA, EVA, clay nanocomposites, put into mixing and blending machine, start after being heated to 95 ~ 110 degree to stir, continuously stirring 15 ~ 30min, then, after being cooled to 45 degree, mixture A is obtained, for subsequent use;
2) look mother, toxilic acid dioctyltin, four [β-(3 are weighed up by ratio requirement, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, put into mixing and blending machine, start after being heated to 85 ~ 95 degree to stir, the continuously stirring time is 20 ~ 40min, then be cooled to 55 degree, obtain mixture B, for subsequent use;
3) by mixture A obtained for step 1) and step 2) obtained mixture B puts into that to put into forcing machine after mixing and blending machine mixes shaping, namely can be made into the present invention.
Further, the mixing and blending machine described in step 1) ~ step 3) is the model that the sharp Machinery Co., Ltd. in Zhangjiagang hundred million produces is the mixing and blending machine of SJ90.
Further, the forcing machine described in step 3) is the Righteousness brother plastics machinery factory model of producing is the PE production machine of SJ90.
Beneficial effect of the present invention is:
The present invention with the addition of EVA in the feed, and EVA has the following advantages:
1) erosion resistance: the chemical such as sea water resistance, grease, acid, alkali corrodes, antibacterial, nontoxic, tasteless, pollution-free; 2) there is good processing characteristics: non junction, and be easy to carry out hot pressing, cut out, gluing, the processing such as laminating; 3) there is excellent against shock performance: rebound resilience and tension stress high, toughness is high, has good shockproof, shock-absorbing capacity.The present invention also added four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, and it can improve the dispersiveness of look mother, photostabilization and weathering resistance.The corrosion-resistant water service pipe of PE of the present invention, has the advantages that erosion resistance is strong, when at acid, alkali, wet goods corrosive medium, still have very strong corrosion resistance nature.
Embodiment
Further illustrating the present invention below in conjunction with specific embodiment, but the present invention is not limited only to following examples.
Embodiment 1
A kind of corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 98%, look mother 0.2%, phthalic ester 0.1%, 2,6-ditertbutylparacresol (BHT) 0.3%, sulphur methyl propionate 0.4%, azobisformamide ABFA 0.2%, toxilic acid dioctyltin 0.2%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.4%, EVA0.4%, clay nanocomposites 3%.
The preparation method of above-mentioned corrosion resistant PE water service pipe, comprises the following steps:
1) by above-mentioned weight percent by polyethylene (HDPE), phthalic ester, 2, mixing and blending machine put into by 6-ditertbutylparacresol (BHT), sulphur methyl propionate, azobisformamide ABFA, EVA, clay nanocomposites seven kinds of raw materials, start after being heated to 95 degree to stir, continuously stirring 30min, then after being cooled to 45 degree, obtain mixture A, for subsequent use;
2) by above-mentioned weight percent by look mother, toxilic acid dioctyltin, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester three kinds of raw materials put into mixing and blending machine, start after being heated to 85 degree to stir, the continuously stirring time is 40min, then 55 degree are cooled to, obtain mixture B, for subsequent use;
3) by mixture A obtained for step 1) and step 2) obtained mixture B puts into that to put into forcing machine after mixing and blending machine mixes shaping, can obtain finished product.
In step 1) ~ step 3), the mixing and blending machine of employing is the model that the sharp Machinery Co., Ltd. in Zhangjiagang hundred million produces is the mixing and blending machine of SJ90.
In step 3), the PE production machine of the forcing machine of employing to Wei the Righteousness brother plastics machinery factory model of producing be SJ90.
Embodiment 2
A kind of corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 94%, look mother 0.8%, phthalic ester 0.6%, 2,6-ditertbutylparacresol (BHT) 0.5%, sulphur methyl propionate 0.7%, azobisformamide ABFA 0.6%, toxilic acid dioctyltin 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2%, EVA1.1%, clay nanocomposites 1%.
The preparation method of above-mentioned corrosion resistant PE water service pipe comprises the following steps:
1) by above-mentioned weight percent by polyethylene (HDPE), phthalic ester, 2,6-ditertbutylparacresol (BHT), sulphur methyl propionate, azobisformamide ABFA, EVA, clay nanocomposites seven kinds put into mixing and blending machine, start after being heated to 110 degree to stir, continuously stirring 15min, then after being cooled to 45 degree, obtain mixture A, for subsequent use;
2) by above-mentioned weight percent by look mother, toxilic acid dioctyltin, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester three kinds of raw materials put into mixing and blending machine, start after being heated to 95 degree to stir, the continuously stirring time is 20min, then 55 degree are cooled to, obtain mixture B, for subsequent use;
3) by mixture A obtained for step 1) and step 2) obtained mixture B puts into that to put into forcing machine after mixing and blending machine mixes shaping, can obtain finished product.
In step 1) ~ step 3), the mixing and blending machine of employing is the model that the sharp Machinery Co., Ltd. in Zhangjiagang hundred million produces is the mixing and blending machine of SJ90.
In step 3), the PE production machine of the forcing machine of employing to Wei the Righteousness brother plastics machinery factory model of producing be SJ90.
Embodiment 3
A kind of corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 95.7%, look mother 0.5%, phthalic ester 0.4%, 2,6-ditertbutylparacresol (BHT) 0.5%, sulphur methyl propionate 0.5%, azobisformamide ABFA 0.4%, toxilic acid dioctyltin 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1%, EVA1%, clay nanocomposites 5%.
The preparation method of above-mentioned corrosion resistant PE water service pipe, comprises the following steps:
1) by above-mentioned weight percent by polyethylene (HDPE), phthalic ester, 2, mixing and blending machine put into by 6-ditertbutylparacresol (BHT), sulphur methyl propionate, azobisformamide ABFA, EVA, clay nanocomposites seven kinds of raw materials, start after being heated to 100 degree to stir, continuously stirring 20min, then after being cooled to 45 degree, obtain mixture A, for subsequent use;
2) by above-mentioned weight percent by look mother, toxilic acid dioctyltin, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester three kinds of raw materials put into mixing and blending machine, start after being heated to 90 degree to stir, the continuously stirring time is 25min, then 55 degree are cooled to, obtain mixture B, for subsequent use;
3) by mixture A obtained for step 1) and step 2) obtained mixture B puts into that to put into forcing machine after mixing and blending machine mixes shaping, can obtain finished product.
In step 1) ~ step 3), the mixing and blending machine of employing is the model that the sharp Machinery Co., Ltd. in Zhangjiagang hundred million produces is the mixing and blending machine of SJ90.
In step 3), the PE production machine of the forcing machine of employing to Wei the Righteousness brother plastics machinery factory model of producing be SJ90.
Embodiment 4
A kind of corrosion resistant PE water service pipe, be made up of the raw material of following weight percent: polyethylene (HDPE) 96%, look mother 0.8%, phthalic ester 0.6%, 2,6-ditertbutylparacresol (BHT) 0.5%, sulphur methyl propionate 0.7%, azobisformamide ABFA 0.6%, toxilic acid dioctyltin 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2%, EVA1.1%, clay nanocomposites 2%.
The above-mentioned preparation method of corrosion resistant PE water service pipe and the identical of embodiment 1.
Test effect:
Corrosion resistant PE water service pipe the present invention prepared carries out corrosion test, and result is as table 1:
Table 1
Be not difficult to find out that from table 1 corrosion-resistant PE water service pipe prepared by the present invention has good corrosion resistance nature to acid, alkali, the common corrosive medium of wet goods.
Claims (2)
1. a corrosion resistant PE water service pipe, it is characterized in that, be made up of the raw material of following weight percent: polyethylene (HDPE) 94% ~ 98%, look mother 0.2% ~ 0.8%, phthalic ester 0.1% ~ 0.6%, 2,6-ditertbutylparacresol (BHT) 0.3% ~ 0.5%, sulphur methyl propionate 0.4% ~ 0.7%, azobisformamide ABFA 0.2% ~ 0.6%, toxilic acid dioctyltin 0.2% ~ 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 0.4% ~ 1.2%, EVA0.4% ~ 1.1%, clay nanocomposites 1% ~ 5%.
2. corrosion resistant PE water service pipe according to claim 1, it is characterized in that, be made up of the raw material of following weight percent: polyethylene (HDPE) 96%, look mother 0.8%, phthalic ester 0.6%, 2,6-ditertbutylparacresol (BHT) 0.5%, sulphur methyl propionate 0.7%, azobisformamide ABFA 0.6%, toxilic acid dioctyltin 0.5%, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester 1.2%, EVA1.1%, clay nanocomposites 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360720.3A CN104927165A (en) | 2015-06-26 | 2015-06-26 | Corrosion resistant PE water pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510360720.3A CN104927165A (en) | 2015-06-26 | 2015-06-26 | Corrosion resistant PE water pipe |
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| CN104927165A true CN104927165A (en) | 2015-09-23 |
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| CN201510360720.3A Pending CN104927165A (en) | 2015-06-26 | 2015-06-26 | Corrosion resistant PE water pipe |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218923A (en) * | 2015-10-16 | 2016-01-06 | 太仓市晨洲塑业有限公司 | A kind of weather resistant high density polyethylene(HDPE) water service pipe |
| CN108472602A (en) * | 2016-01-08 | 2018-08-31 | 流动工程国际有限责任公司 | Mixing tee component and processing |
| CN112409673A (en) * | 2020-11-21 | 2021-02-26 | 武汉升瑞通管业有限公司 | High-corrosion-resistance PE (polyethylene) blow-off pipe and production method thereof |
| CN113372732A (en) * | 2021-07-03 | 2021-09-10 | 嘉兴正通塑业科技有限公司 | High-strength corrosion-resistant PE pipe and manufacturing process thereof |
-
2015
- 2015-06-26 CN CN201510360720.3A patent/CN104927165A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218923A (en) * | 2015-10-16 | 2016-01-06 | 太仓市晨洲塑业有限公司 | A kind of weather resistant high density polyethylene(HDPE) water service pipe |
| CN108472602A (en) * | 2016-01-08 | 2018-08-31 | 流动工程国际有限责任公司 | Mixing tee component and processing |
| CN112409673A (en) * | 2020-11-21 | 2021-02-26 | 武汉升瑞通管业有限公司 | High-corrosion-resistance PE (polyethylene) blow-off pipe and production method thereof |
| CN112409673B (en) * | 2020-11-21 | 2023-05-02 | 武汉升瑞通管业有限公司 | PE blow-down pipe with high corrosion resistance and production method thereof |
| CN113372732A (en) * | 2021-07-03 | 2021-09-10 | 嘉兴正通塑业科技有限公司 | High-strength corrosion-resistant PE pipe and manufacturing process thereof |
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Application publication date: 20150923 |