CN112430360A - High-strength temperature-resistant anti-corrosion large-caliber winding pipe and preparation method thereof - Google Patents
High-strength temperature-resistant anti-corrosion large-caliber winding pipe and preparation method thereof Download PDFInfo
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- CN112430360A CN112430360A CN202011116696.6A CN202011116696A CN112430360A CN 112430360 A CN112430360 A CN 112430360A CN 202011116696 A CN202011116696 A CN 202011116696A CN 112430360 A CN112430360 A CN 112430360A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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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Abstract
The invention discloses a high-strength temperature-resistant anti-corrosion large-caliber winding pipe, which comprises the following raw materials in parts by weight: 75-80 parts of PPH resin, 8-10 parts of acrylonitrile-butadiene-styrene, 3-5 parts of glass beads, 3-5 parts of silicon dioxide and 2-3 parts of organosilicon coupling agent, and further comprises the following raw materials in parts by weight: 75 parts of PPH resin, 8 parts of acrylonitrile-butadiene-styrene, 3 parts of glass beads, 3 parts of silicon dioxide and 2 parts of organosilicon coupling agent, and the PPH resin comprises the following raw materials in parts by weight: 77.5 parts of PPH resin. The modified PPH winding pipe material disclosed by the invention not only keeps the excellent corrosion resistance and impact resistance of the PPH high polymer material, but also can greatly improve the temperature resistance and pressure resistance of a product, saves the welding cost and the safety risk, does not leak or crack after being used for a long time, has a wide market application prospect, and has the maximum caliber of 3500 mm.
Description
Technical Field
The invention relates to the technical field of winding pipes and preparation methods thereof, in particular to a high-strength temperature-resistant anti-corrosion large-caliber winding pipe and a preparation method thereof.
Background
The PPH pipe (Polyproplyene-Homo polypropylene pipe) is a high-quality product which is obtained by carrying out Beta modification on a common PP material to enable the PP material to have a uniform and fine Beta crystal structure and excellent chemical corrosion resistance, wear resistance, high temperature resistance, corrosion resistance, ageing resistance and insulativity. The PPH pipe (alloy polypropylene pipe) is a superior quality product which is superior to a PP pipe in high temperature resistance, corrosion resistance and aging resistance, has a uniform and fine Beta crystal structure, has good chemical corrosion resistance, wear resistance, good insulativity and high temperature resistance, can reach a working temperature of 100 ℃, is nontoxic, has light weight and is convenient to transport and install.
The PPH pipe is made by using high density polypropylene (PPH) as a main body and adding an antioxidant, an anti-ultraviolet agent and a pigment. The PPH pipe has the characteristics of good heat setting property, high temperature resistance, good chemical medicine resistance, creep deformation, large tension, good insulativity, insolubility in organic solvents, no cracking, no toxicity and the like. The method is suitable for various industries such as chemical plants, electronic semiconductor plants, pharmaceutical factories, sewage treatment plants and the like. The system is widely applied to high-acid-base chemical product conveying systems, pure water conveying systems, drinking water conveying systems, sewage and wastewater conveying systems, environmental engineering and general pipeline systems and telecommunication optical cable transmission and distribution pipeline systems
At present, storage tanks, metering tanks, reaction tanks and large-caliber anti-corrosion pipes adopted in various fields such as smelting, chemical industry, chemical fiber, pharmacy, papermaking, new energy and the like at home and abroad are mostly produced by polypropylene, polyethylene plates and other materials, and the products have the defects of high welding cost, easy peeling and falling of welding seams, poor temperature resistance, corrosion resistance, poor pressure bearing performance and the like and have safety risks in the using process. The modified PPH winding pipe material disclosed by the invention not only keeps the excellent corrosion resistance and impact resistance of the PPH high polymer material, but also can greatly improve the temperature resistance and pressure resistance of a product, save the welding cost, avoid the safety risk, avoid leakage and cracking after being used for a long time, and have wide market application prospect, and the maximum caliber can reach 3500mm phi.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a high-strength temperature-resistant anti-corrosion large-caliber winding pipe and a preparation method thereof.
A high-strength temperature-resistant anti-corrosion large-caliber winding pipe comprises the following raw materials in parts by weight: 75-80 parts of PPH resin, 8-10 parts of acrylonitrile-butadiene-styrene, 3-5 parts of glass beads, 3-5 parts of silicon dioxide and 2-3 parts of organosilicon coupling agent.
Further, the feed comprises the following raw materials in parts by weight: 75 parts of PPH resin, 8 parts of acrylonitrile-butadiene-styrene, 3 parts of glass beads, 3 parts of silicon dioxide and 2 parts of organosilicon coupling agent.
Further, the feed comprises the following raw materials in parts by weight: 77.5 parts of PPH resin, 9 parts of acrylonitrile-butadiene-styrene, 4 parts of glass beads, 4 parts of silicon dioxide and 2.5 parts of organosilicon coupling agent.
Further, the feed comprises the following raw materials in parts by weight: 80 parts of PPH resin, 10 parts of acrylonitrile-butadiene-styrene, 5 parts of glass beads, 5 parts of silicon dioxide and 3 parts of organosilicon coupling agent.
A preparation method of a high-strength temperature-resistant anti-corrosion large-caliber winding pipe comprises the following steps:
s1, preparing a first material: adding the PPH resin, the acrylonitrile-butadiene-styrene and the glass beads into a stirrer, and stirring at a low speed for 2-3 minutes to obtain a first material;
s2, preparing a second material, sequentially adding silicon dioxide and an organic silicon coupling agent into the first material, and stirring at a medium speed for 2-3 minutes to obtain the second material;
s3, putting the second material into a single screw extruder for extrusion granulation to obtain a modified PPH material;
s4, pouring the modified PPH material into a single-screw extruder, extruding a strip material, fixing the strip material on a winding mold core, heating, rotating the mold, performing winding molding after no-load operation for 2-3 minutes, compressing the strip material with a pinch roller during winding to rapidly compound the strip material together in a high-elastic state, after the strip material is wound to a fixed length for the first time, reversely translating the mold to the head position of the extruder to perform secondary winding, and repeatedly winding for several times according to different wall thickness requirements.
Further, the extruded ribbon-shaped material in S4 has a width of 10cm and a thickness of 10 mm. .
Further, before the strip-shaped material in the step S4 is fixed on the winding mold core, the mold core is locally preheated, and the preheating method is flame-spray firing.
Further, in the second winding in S4, the flame spraying heating is changed to far infrared heating of the surface of the product, and other processes are the same as the first winding.
The modified PPH winding pipe material disclosed by the invention not only keeps the excellent corrosion resistance and impact resistance of the PPH high polymer material, but also can greatly improve the temperature resistance and pressure resistance of a product, save the welding cost, avoid the safety risk, avoid leakage and cracking after being used for a long time, and have wide market application prospect, and the maximum caliber can reach 3500mm phi.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The invention provides a high-strength temperature-resistant anti-corrosion large-caliber winding pipe and a preparation method thereof;
example 1
75 parts of PPH resin, 8 parts of acrylonitrile-butadiene-styrene, 3 parts of glass beads, 3 parts of silicon dioxide and 2 parts of organosilicon coupling agent.
S1, preparing a first material: adding the PPH resin, the acrylonitrile-butadiene-styrene and the glass beads into a stirrer, and stirring at a low speed for 2-3 minutes to obtain a first material;
s2, preparing a second material, sequentially adding silicon dioxide and an organic silicon coupling agent into the first material, and stirring at a medium speed for 2-3 minutes to obtain the second material;
s3, putting the second material into a single screw extruder for extrusion granulation to obtain a modified PPH material;
s4, pouring the modified PPH material into a single-screw extruder, extruding a strip material, fixing the strip material on a winding mold core, heating, rotating the mold, performing winding molding after no-load operation for 2-3 minutes, compressing the strip material with a pinch roller during winding to rapidly compound the strip material together in a high-elastic state, after the strip material is wound to a fixed length for the first time, reversely translating the mold to the head position of the extruder to perform secondary winding, and repeatedly winding for several times according to different wall thickness requirements.
Example 2
77.5 parts of PPH resin, 9 parts of acrylonitrile-butadiene-styrene, 4 parts of glass beads, 4 parts of silicon dioxide and 2.5 parts of organosilicon coupling agent.
S1, preparing a first material: adding the PPH resin, the acrylonitrile-butadiene-styrene and the glass beads into a stirrer, and stirring at a low speed for 2-3 minutes to obtain a first material;
s2, preparing a second material, sequentially adding silicon dioxide and an organic silicon coupling agent into the first material, and stirring at a medium speed for 2-3 minutes to obtain the second material;
s3, putting the second material into a single screw extruder for extrusion granulation to obtain a modified PPH material;
s4, pouring the modified PPH material into a single-screw extruder, extruding a strip material, fixing the strip material on a winding mold core, heating, rotating the mold, performing winding molding after no-load operation for 2-3 minutes, compressing the strip material with a pinch roller during winding to rapidly compound the strip material together in a high-elastic state, after the strip material is wound to a fixed length for the first time, reversely translating the mold to the head position of the extruder to perform secondary winding, and repeatedly winding for several times according to different wall thickness requirements.
Example 3
80 parts of PPH resin, 10 parts of acrylonitrile-butadiene-styrene, 5 parts of glass beads, 5 parts of silicon dioxide and 3 parts of organosilicon coupling agent.
S1, preparing a first material: adding the PPH resin, the acrylonitrile-butadiene-styrene and the glass beads into a stirrer, and stirring at a low speed for 2-3 minutes to obtain a first material;
s2, preparing a second material, sequentially adding silicon dioxide and an organic silicon coupling agent into the first material, and stirring at a medium speed for 2-3 minutes to obtain the second material;
s3, putting the second material into a single screw extruder for extrusion granulation to obtain a modified PPH material;
s4, pouring the modified PPH material into a single-screw extruder, extruding a strip material, fixing the strip material on a winding mold core, heating, rotating the mold, performing winding molding after no-load operation for 2-3 minutes, compressing the strip material with a pinch roller during winding to rapidly compound the strip material together in a high-elastic state, after the strip material is wound to a fixed length for the first time, reversely translating the mold to the head position of the extruder to perform secondary winding, and repeatedly winding for several times according to different wall thickness requirements.
The properties of the pipes produced in examples 1, 2 and 3 were examined and the following table was obtained:
as can be seen from the above table: the pipe produced by the invention comprises the following components:
1. large caliber, maximum winding diameter 3500mm
2. Compared with common PPH, the heat distortion temperature is improved by 30 percent of PPH and reaches 135 DEG C
3. The impact resistance is improved by 20 percent compared with the common PPH and reaches 75 JK/square meter
4. The tensile yield strength is improved by 22 percent and reaches 34MPa compared with PPH
5. The bearing strength is high, and the maximum bearing pressure can be 2.0 MPa.
The modified PPH winding pipe not only keeps the excellent corrosion resistance and impact resistance of the PPH high polymer material, but also can greatly improve the temperature resistance and pressure resistance of the product and save the welding cost, has no safety risk, does not leak or crack after long-term use, has wide market application prospect, and the maximum caliber can reach phi 3500 mm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The high-strength temperature-resistant anti-corrosion large-caliber winding pipe is characterized by comprising the following raw materials in parts by weight: 75-80 parts of PPH resin, 8-10 parts of acrylonitrile-butadiene-styrene, 3-5 parts of glass beads, 3-5 parts of silicon dioxide and 2-3 parts of organosilicon coupling agent.
2. The high-strength temperature-resistant anti-corrosion large-caliber winding pipe material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 75 parts of PPH resin, 8 parts of acrylonitrile-butadiene-styrene, 3 parts of glass beads, 3 parts of silicon dioxide and 2 parts of organosilicon coupling agent.
3. The high-strength temperature-resistant anti-corrosion large-caliber winding pipe material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 77.5 parts of PPH resin, 9 parts of acrylonitrile-butadiene-styrene, 4 parts of glass beads, 4 parts of silicon dioxide and 2.5 parts of organosilicon coupling agent.
4. The high-strength temperature-resistant anti-corrosion large-caliber winding pipe material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 80 parts of PPH resin, 10 parts of acrylonitrile-butadiene-styrene, 5 parts of glass beads, 5 parts of silicon dioxide and 3 parts of organosilicon coupling agent.
5. A preparation method of a high-strength temperature-resistant anti-corrosion large-caliber winding pipe is characterized by comprising the following steps:
s1, preparing a first material: adding the PPH resin, the acrylonitrile-butadiene-styrene and the glass beads into a stirrer, and stirring at a low speed for 2-3 minutes to obtain a first material;
s2, preparing a second material, sequentially adding silicon dioxide and an organic silicon coupling agent into the first material, and stirring at a medium speed for 2-3 minutes to obtain the second material;
s3, putting the second material into a single screw extruder for extrusion granulation to obtain a modified PPH material;
s4, pouring the modified PPH material into a single-screw extruder, extruding a strip material, fixing the strip material on a winding mold core, heating, rotating the mold, performing winding molding after no-load operation for 2-3 minutes, compressing the strip material with a pinch roller during winding to rapidly compound the strip material together in a high-elastic state, after the strip material is wound to a fixed length for the first time, reversely translating the mold to the head position of the extruder to perform secondary winding, and repeatedly winding for several times according to different wall thickness requirements.
6. The method for preparing the high-strength temperature-resistant anti-corrosion large-caliber winding pipe material according to claim 5, wherein the extruded strip-shaped material in the S4 is 10cm in width and 10mm in thickness.
7. The method for preparing the high-strength temperature-resistant anti-corrosion large-caliber winding pipe material according to claim 5, wherein the mold core is locally preheated before the strip-shaped material in the S4 is fixed on the winding mold core, and the preheating method is flame-spray burning.
8. The method for preparing the high-strength temperature-resistant anti-corrosion large-caliber winding pipe material according to claim 5, wherein in the second winding in the step S4, flame spraying heating is changed into far infrared heating for the surface of the product, and other processes are the same as those of the first winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116696.6A CN112430360A (en) | 2020-10-19 | 2020-10-19 | High-strength temperature-resistant anti-corrosion large-caliber winding pipe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011116696.6A CN112430360A (en) | 2020-10-19 | 2020-10-19 | High-strength temperature-resistant anti-corrosion large-caliber winding pipe and preparation method thereof |
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| CN110092993A (en) * | 2019-05-15 | 2019-08-06 | 重庆爵通塑胶科技(集团)有限公司 | Polychloroethylene blended (MPVP) spiral winding pipe of polypropylene- |
| CN110185851A (en) * | 2019-04-02 | 2019-08-30 | 浙江中财管道科技股份有限公司 | A kind of high voltage, composite polypropylene of highly corrosion resistant and preparation method thereof |
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2020
- 2020-10-19 CN CN202011116696.6A patent/CN112430360A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919915A (en) * | 2005-08-26 | 2007-02-28 | 海尔集团公司 | Modified polypropylene material for refrigerator and manufacture method thereof |
| CN106608995A (en) * | 2015-10-23 | 2017-05-03 | 上海清远管业科技有限公司 | Material special for plastic pipes and preparation method of continuous-fiber-bundle-enhanced double-wall winding pipe |
| CN105713297A (en) * | 2016-04-18 | 2016-06-29 | 福建师范大学 | Method for preparing pipe by acrylic acid grafted ethylene-octene segmented copolymer modified polypropylene |
| CN106117807A (en) * | 2016-07-30 | 2016-11-16 | 山东胜伟园林科技有限公司 | A kind of salt discharge hidden pipe containing ABS resin and preparation method thereof |
| CN106751384A (en) * | 2016-11-29 | 2017-05-31 | 四川锦泰佳环保建材有限公司 | A kind of PP ABSs and preparation method thereof |
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| CN109280271A (en) * | 2018-09-26 | 2019-01-29 | 中国石油化工股份有限公司 | A kind of oil tube inner lining heat insulation and wear resistance PP composite material pipeline and its preparation method |
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Application publication date: 20210302 |