CN109627545A - A kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe and preparation method thereof - Google Patents
A kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe and preparation method thereof Download PDFInfo
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- CN109627545A CN109627545A CN201811448312.3A CN201811448312A CN109627545A CN 109627545 A CN109627545 A CN 109627545A CN 201811448312 A CN201811448312 A CN 201811448312A CN 109627545 A CN109627545 A CN 109627545A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
- C08K2201/011—Nanostructured additives
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- 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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- 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
- C08L2207/066—LDPE (radical process)
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Abstract
The present invention relates to a kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipes and preparation method thereof, it includes the raw material components of following parts by weight: HDPE100 parts；5~10 parts of acrylic resin；1~5 part of silane coupling agent；0.1~0.5 part of silver nanowires；5~10 parts of cellulose ether；10~20 parts of epoxy resin；20~30 parts of N-Methyl pyrrolidone；1~5 part of antioxidant；10~15 parts of stabilizer.By the components such as acrylic resin, epoxy resin, N-Methyl pyrrolidone, silane coupling agent and silver nanowires of addition certain content in HDPE, be conducive to being sufficiently mixed uniformly, to improve the intensity of double-wall corrugated pipe for each component；And be conducive to play the synergy of each component and improve the compressive property and corrosion resistance of double-wall corrugated pipe.
Description
Technical field
The invention belongs to pipeline fields, are related to a kind of double-wall corrugated pipe, and in particular to a kind of anti-high-pressure anticorrosion HDPE is bis-
Wall bellows and preparation method thereof.
Background technique
High density polyethylene (HDPE) (HDPE) double-wall corrugated pipe is a kind of New pipe with cyclic structure outer wall and smooth internal walls
Material, the beginning of the eighties succeed in developing first in Germany.By the development of more than ten years and perfect, it is arrived via single Cultivar development
Complete product line.In China, the promotion and application of HDPE double-wall corrugated pipe, which are in, rises the situation stage.Existing HDPE
Double-wall corrugated pipe is easy to be corroded, and can deform and can not restore when by larger pressure, service life cannot be met the requirements.
Patent No. 201720137493.2 discloses a kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe, it includes ripple
Tube body, institute's bellows body side are connected with pipe connector lug, and the bellows body other side is connected with seal nipple, described close
Rubber sealing boot is connected on sealing joint, the bellows body is disposed with etch resistant layer, polyethylene inner layer, bullet from inside to outside
Property layer, high density polyethylene (HDPE) outer layer, Wear-resistant corrosion-resistant layer are additionally provided with spring reinforcing rib inside the bellows body, and described
Spring reinforcing rib is to be obliquely installed, and is provided with back-shaped slot between the spring reinforcing rib, passes through the bullet being arranged inside bellows body
Back-shaped slot between spring reinforcing rib and spring reinforcing rib can bear larger pressure and maintain the stability of structure, improve
The anti-pressure ability of tube body by the way that the etch resistant layer of inner wall is arranged in and in the Wear-resistant corrosion-resistant layer of outer wall improves tubing
Resistance to corrosion improves service life.The patent is attempted to improve double-wall corrugated pipe from structure, leads to double-walled in this way
Bellows structure is complicated, and production technology, the mold etc. that need corresponding exploitation new cause production cost high.
Summary of the invention
It is double-wall corrugated that a kind of anti-high-pressure anticorrosion HDPE is provided the invention aims to overcome the deficiencies in the prior art
Pipe.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe,
It includes the raw material components of following parts by weight:
Optimally, it further includes the raw material components of following parts by weight:
30~40 parts of MDPE；
10~15 parts of LDPE；
10~15 parts of polyolefin elastomer.
Optimally, it further includes the raw material components of following parts by weight:
5~10 parts of organic coating kaolinite grogs；
10~15 parts of lubricant.
Optimally, it includes the raw material components of following parts by weight:
Another object of the present invention is to provide a kind of preparation method of above-mentioned anti-high-pressure anticorrosion HDPE double-wall corrugated pipe,
It the following steps are included:
(a) HDPE of formula ratio, acrylic resin, epoxy resin and stabilizer are added in high-speed mixer, 80~
It is mixed 10~20 minutes under conditions of 100 DEG C, 500~600 revs/min；Add the antioxidant, cellulose ether, silver of formula ratio
Nano wire, silane coupling agent and N-Methyl pyrrolidone continue to stir under conditions of 110~130 DEG C, 500~600 revs/min
Mix mixing 10~20 minutes to obtain the first mixture；
(b) the first mixture is imported in screw rod molding machine, it is cold then at 50~60 DEG C in 150~170 DEG C of extrusion moldings
But solidify, subsequent cooled to room temperature.
Optimally, in step (a), be additionally added MDPE, LDPE and the polyolefin elastomer of formula ratio with the HDPE into
Row mixing.
Optimally, in step (a), also the organic coating kaolinite grogs and lubricant of formula ratio are mixed, then added
Enter into the first mixture to continue to stir obtaining the second mixture；In step (b), second mixture is imported into screw rod molding
In machine.
Due to the above technical solutions, the present invention has the following advantages over the prior art: the anti-high pressure of the present invention is resistance to
Corrode HDPE double-wall corrugated pipe, by the acrylic resin, epoxy resin, the N- crassitude that add certain content in HDPE
The components such as ketone, silane coupling agent and silver nanowires are conducive to being sufficiently mixed uniformly, to improve double-wall corrugated pipe for each component
Intensity；And be conducive to play the synergy of each component and improve the compressive property and corrosion resistance of double-wall corrugated pipe.
Specific embodiment
The anti-high-pressure anticorrosion HDPE double-wall corrugated pipe of the present invention, it includes the raw material components of following parts by weight: HDPE100
Part；5~10 parts of acrylic resin；1~5 part of silane coupling agent；0.1~0.5 part of silver nanowires；5~10 parts of cellulose ether；Epoxy
10~20 parts of resin；20~30 parts of N-Methyl pyrrolidone；1~5 part of antioxidant；10~15 parts of stabilizer.By in HDPE
The components such as acrylic resin, epoxy resin, N-Methyl pyrrolidone, silane coupling agent and the silver nanowires of certain content are added,
Be conducive to being sufficiently mixed uniformly, to improve the intensity of double-wall corrugated pipe for each component；And be conducive to play the collaboration of each component
Effect and the compressive property and corrosion resistance for improving double-wall corrugated pipe.Silane coupling agent using conventional, as KH-550,
KH-570, KH-560, A-151, A-171 etc.；Silver nanowires uses commercially available, length (such as Nanjing Yin Na within 100 μm
Deng).Antioxidant using conventional, such as selected from antioxidant 300, antioxidant 1024 and antioxidant 1010, irgasfos 168 and
The mixture of one of anti-oxidant DLTP or a variety of compositions.Stabilizer using those of conventional, as RUP151NB,
RUP144 etc..
Above-mentioned anti-high-pressure anticorrosion HDPE double-wall corrugated pipe further includes the raw material components of following parts by weight: MDPE 30~
40 parts；LDPE10~15 part；10~15 parts of polyolefin elastomer (POE, such as the Dow Chemical Company) is conducive to adjust double-walled wave in this way
The toughness of line pipe tube body further increases its compressive property (buckle resistance energy).Above-mentioned anti-high-pressure anticorrosion HDPE is double-wall corrugated
Pipe further includes the raw material components of following parts by weight: 5~10 parts of organic coating kaolinite grogs (preparation method with reference to existing,
Specifically: it is modified that the silane that (a) penetrating into nano kaoline accounts for its mass ratio 1% carries out surface；(b) add into the mixture
Enter copolymerized type propene polymer compatilizer (compatilizer and the kaolinic mass ratio of surface-modified nano be 1:4), using dual-screw-stem machine or
Person's mixer mixing is granulated)；(lubricant is in odium stearate, calcium stearate and polyethylene wax to 10~15 parts of lubricant
It is a kind of), be conducive to improve the contact performance between inorganic matter and high molecular material in this way, to further increase double-wall corrugated pipe
Compressive property and corrosion resistance.The above-mentioned optimal original including following parts by weight of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe
Material component: HDPE100 parts；30 parts of MDPE；LDPE10 parts；12 parts of polyolefin elastomer；8 parts of acrylic resin；Silane coupling agent
3 parts；0.2 part of silver nanowires；10 parts of cellulose ether；15 parts of epoxy resin；30 parts of N-Methyl pyrrolidone；Organic coating kaolin
8 parts of grain；12 parts of lubricant；3 parts of antioxidant；12 parts of stabilizer.
The preparation method of above-mentioned anti-high-pressure anticorrosion HDPE double-wall corrugated pipe, it the following steps are included: (a) by formula ratio
HDPE, acrylic resin, epoxy resin and stabilizer are added in high-speed mixer, at 80~100 DEG C, 500~600 revs/min
Under conditions of mix 10~20 minutes；Add antioxidant, cellulose ether, silver nanowires, silane coupling agent and the N- of formula ratio
Methyl pyrrolidone, continue to be stirred under conditions of 110~130 DEG C, 500~600 revs/min 10~20 minutes first
Mixture；(b) the first mixture is imported in screw rod molding machine, it is cold then at 50~60 DEG C in 150~170 DEG C of extrusion moldings
But solidify, subsequent cooled to room temperature.By the way that each group to be successively added, be conducive to improve each component mixing in this way
Uniformity coefficient advantageously ensures that the quality of production.In step (a), be additionally added MDPE, LDPE and the polyolefin elastomer of formula ratio with
It is mixed with the HDPE；In step (a), also the organic coating kaolinite grogs and lubricant of formula ratio are mixed, with
After be added in the first mixture and continue to stir obtaining the second mixture；In step (b), second mixture is imported into screw rod
In molding machine；The addition sequence that material is needed to pay attention in charging, if wrong will lead to of charging sequence cannot obtain qualified production
Product；And if charging sequence is reasonable, be conducive to the performance for improving product.
Below in conjunction with embodiment, invention is further explained.
Embodiment 1- embodiment 8, comparative example 1- comparative example 2
Embodiment 1- embodiment 8, comparative example 1- comparative example 2 provide a kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe respectively
And preparation method thereof, component formula is as shown in table 1；Their specific preparation method the following steps are included:
(a) by the HDPE of formula ratio, acrylic resin, epoxy resin and stabilizer (when containing MDPE, LDPE in embodiment
When with polyolefin elastomer, MDPE, LDPE and polyolefin elastomer of formula ratio are added here again) high-speed mixer is added
In, it is mixed 10~20 minutes under conditions of 80~100 DEG C, 500~600 revs/min；Add antioxidant, the fibre of formula ratio
Plain ether, silver nanowires, silane coupling agent and N-Methyl pyrrolidone are tieed up, in 110~130 DEG C, 500~600 revs/min of condition
Under continue to be stirred 10~20 minutes obtaining the first mixture；When in embodiment contain organic coating kaolinite grogs and lubricant
When, it also continues the organic coating kaolinite grogs that formula ratio is added and lubricant continues stirring (stirring condition is constant) and obtains the second mixing
Object；
(b) the first mixture (the second mixture) is imported in screw rod molding machine, in 150~170 DEG C of extrusion moldings, then
It is cooled and solidified in 50~60 DEG C, subsequent cooled to room temperature.
The component formula table of each example in 1 embodiment 1- embodiment 8 of table, comparative example 1- comparative example 2
Note: polyolefin elastomer used in upper table is antioxidant purchased from Tao Shi, silane coupling agent KH-560, antioxidant
1010, stabilizer RUP144, lubricant are polyethylene wax.
HDPE double-wall corrugated pipe made from embodiment-embodiment 8, comparative example 1- comparative example 2 is tested for the property, is tied
Fruit is listed in Table 2 below.
The performance table of HDPE double-wall corrugated pipe in 2 embodiment 1- embodiment 8 of table, comparative example 1- comparative example 2
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe, which is characterized in that it includes the raw material components of following parts by weight:
2. anti-high-pressure anticorrosion HDPE double-wall corrugated pipe according to claim 1, which is characterized in that it further includes following heavy
Measure the raw material components of number:
30~40 parts of MDPE；
10~15 parts of LDPE；
10~15 parts of polyolefin elastomer.
3. anti-high-pressure anticorrosion HDPE double-wall corrugated pipe according to claim 1, which is characterized in that it further includes following heavy
Measure the raw material components of number:
5~10 parts of organic coating kaolinite grogs；
10~15 parts of lubricant.
4. anti-high-pressure anticorrosion HDPE double-wall corrugated pipe according to claim 1, which is characterized in that it includes following weight
The raw material components of number:
5. the preparation method of any anti-high-pressure anticorrosion HDPE double-wall corrugated pipe in Claims 1-4, which is characterized in that
It the following steps are included:
(a) HDPE of formula ratio, acrylic resin, epoxy resin and stabilizer are added in high-speed mixer, 80~100
DEG C, mix 10~20 minutes under conditions of 500~600 revs/min；Add the antioxidant, cellulose ether, silver nanoparticle of formula ratio
It is mixed to continue stirring under conditions of 110~130 DEG C, 500~600 revs/min for line, silane coupling agent and N-Methyl pyrrolidone
Close 10~20 minutes to obtain the first mixture；
(b) the first mixture is imported in screw rod molding machine, it is cooling solid then at 50~60 DEG C in 150~170 DEG C of extrusion moldings
Change, subsequent cooled to room temperature.
6. the preparation method of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe according to claim 5, it is characterised in that: step
(a) in, MDPE, LDPE and the polyolefin elastomer of formula ratio are additionally added to be mixed with the HDPE.
7. the preparation method of anti-high-pressure anticorrosion HDPE double-wall corrugated pipe according to claim 5, it is characterised in that: step
(a) in, also the organic coating kaolinite grogs and lubricant of formula ratio are mixed, are subsequently added to continue in the first mixture
Stir to obtain the second mixture；In step (b), second mixture is imported in screw rod molding machine.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358241A (en) * | 2019-07-16 | 2019-10-22 | 湖北省峰华科技有限公司 | A kind of steel strip reinforced bellows and preparation method thereof |
| 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 |
| CN113527793A (en) * | 2021-08-04 | 2021-10-22 | 安徽豪洋管业科技有限公司 | Production method of HDPE double-wall corrugated pipe |
| CN116239835A (en) * | 2023-05-11 | 2023-06-09 | 江苏佳润管业有限公司 | High-strength polyethylene water supply pipe and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110358241A (en) * | 2019-07-16 | 2019-10-22 | 湖北省峰华科技有限公司 | A kind of steel strip reinforced bellows and preparation method thereof |
| 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 |
| CN113527793A (en) * | 2021-08-04 | 2021-10-22 | 安徽豪洋管业科技有限公司 | Production method of HDPE double-wall corrugated pipe |
| CN116239835A (en) * | 2023-05-11 | 2023-06-09 | 江苏佳润管业有限公司 | High-strength polyethylene water supply pipe and preparation method thereof |
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Application publication date: 20190416 |