CN114196140A - Long-life polymer hose and preparation method thereof - Google Patents
Long-life polymer hose and preparation method thereof Download PDFInfo
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- CN114196140A CN114196140A CN202111655899.7A CN202111655899A CN114196140A CN 114196140 A CN114196140 A CN 114196140A CN 202111655899 A CN202111655899 A CN 202111655899A CN 114196140 A CN114196140 A CN 114196140A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title abstract description 16
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical class O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 20
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 12
- -1 3, 5-di-tert-butyl-4-hydroxyphenyl Chemical group 0.000 claims abstract description 11
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims abstract description 11
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims abstract description 11
- YAHBZWSDRFSFOO-UHFFFAOYSA-L dimethyltin(2+);2-(2-ethylhexoxy)-2-oxoethanethiolate Chemical compound CCCCC(CC)COC(=O)CS[Sn](C)(C)SCC(=O)OCC(CC)CCCC YAHBZWSDRFSFOO-UHFFFAOYSA-L 0.000 claims abstract description 11
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims abstract description 11
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000008301 phosphite esters Chemical class 0.000 claims abstract description 11
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims abstract description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000009210 therapy by ultrasound Methods 0.000 claims description 21
- 239000011259 mixed solution Substances 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 16
- 239000006229 carbon black Substances 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 8
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 8
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011361 granulated particle Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 5
- VEFXTGTZJOWDOF-UHFFFAOYSA-N benzene;hydrate Chemical compound O.C1=CC=CC=C1 VEFXTGTZJOWDOF-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008029 phthalate plasticizer Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000196171 Hydrodictyon reticulatum Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
-
- 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
- C08K3/04—Carbon
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2244—Oxides; Hydroxides of metals of zirconium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to the technical field of pipes, in particular to a long-life polymer hose and a preparation method thereof. The long-life polymer hose provided by the invention comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 20-30 parts of diisononyl phthalate, 10-20 parts of phosphite ester, 10-18 parts of methyl tin mercaptide, 10-15 parts of zinc stearate, 1-6 parts of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 1-6 parts of modified zirconia. The long-life polymer hose provided by the invention can greatly improve the tensile strength of the hose, and meanwhile, the elongation at break of the hose is not obviously reduced, and the hose has excellent service life.
Description
Technical Field
The invention relates to the technical field of pipes, in particular to a long-life polymer hose and a preparation method thereof.
Background
The plastic pipe has the advantages of light weight, high strength, low cost, corrosion resistance and the like, and gradually becomes a main application pipe in the fields of urban construction, water net laying and the like. Polyvinyl chloride (PVC) plastic pipes have excellent physical and chemical properties such as good flame retardant effect, strong acid resistance, high structural strength, good electrical insulation property and the like, and are one of the most widely applied plastic pipes in the market at present. The traditional polyvinyl chloride pipe is lower in cost compared with other plastic pipes in most formulas, but is poor in quality, particularly the tensile property and toughness of the traditional polyvinyl chloride pipe are poor, local brittle fracture is easy to occur when the traditional polyvinyl chloride pipe bears a large tensile load, and the requirement of construction cannot be effectively met.
At present, a polyvinyl chloride hose is plasticized by adopting a phthalate plasticizer generally, and researches show that the ideal tensile property and toughness cannot be achieved only by adopting the phthalate plasticizer for plasticizing, so that the service life is short. Therefore, there is a need to develop a polymer pipe material having excellent tensile properties, toughness and long life.
Disclosure of Invention
The invention aims to overcome the defects of limited toughness and tensile property and short service life of the conventional polyvinyl chloride hose, and provides a long-service-life polymer hose and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the long-life polymer hose comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 20-30 parts of diisononyl phthalate, 10-20 parts of phosphite ester, 10-18 parts of methyl tin mercaptide, 10-15 parts of zinc stearate, 1-6 parts of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 1-6 parts of modified zirconia.
Preferably, the preparation method of the modified zirconia comprises the following steps:
1) mixing propylene glycol, carbon black, sodium dodecyl benzene sulfonate and water, and then carrying out ultrasonic treatment to obtain a mixed solution;
2) adding zirconium oxide into the mixed solution, then carrying out ultrasonic treatment, stirring the mixed solution after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconium oxide.
Preferably, the mass ratio of the zirconium oxide to the propylene glycol to the carbon black to the sodium dodecyl benzene sulfonate to the water is 1: (0.4-0.6): (1.0-1.2): (1.1-1.4): (8-10).
Preferably, the ultrasonic power in the step 1) is 400-600W, and the ultrasonic time is 1-5 h.
Preferably, the ultrasonic power in the step 2) is 400-600W, and the ultrasonic time is 1-5 h.
Preferably, the stirring temperature in the step 2) is 50-70 ℃, and the stirring time is 2-4 h.
Preferably, the polyvinyl chloride has a weight average molecular weight of 10 to 12 ten thousand.
The invention also provides a preparation method of the long-life polymer hose, which comprises the following steps:
mixing and heating polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and modified zirconia for melting, then mixing and granulating the melted mixture, and finally extruding and molding the granulated particles to obtain the high-molecular hose.
Preferably, the heating and melting temperature is 130-140 ℃, and the heating and melting time is 0.5-3 h.
Preferably, the mixing granulation temperature is 160-170 ℃.
The invention has the beneficial effects that:
1) the long-life polymer hose provided by the invention comprises the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 20-30 parts of diisononyl phthalate, 10-20 parts of phosphite ester, 10-18 parts of methyl tin mercaptide, 10-15 parts of zinc stearate, 1-6 parts of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 1-6 parts of modified zirconia. According to the invention, the modified zirconia is added into the raw materials of the polyvinyl chloride hose, and the modified zirconia interacts with other raw materials, so that the tensile strength of the hose can be greatly improved, meanwhile, the elongation at break of the hose cannot be obviously reduced, and even can be slightly improved.
2) The invention provides a long-life polymer hose, and a preparation method of modified zirconia comprises the following steps: mixing propylene glycol, carbon black, sodium dodecyl benzene sulfonate and water, and then carrying out ultrasonic treatment to obtain a mixed solution; adding zirconium oxide into the mixed solution, then carrying out ultrasonic treatment, stirring the mixed solution after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconium oxide. According to the invention, the carbon black is used for modifying the zirconia, the obtained modified zirconia interacts with other raw materials, the tensile strength of the hose can be greatly improved, and meanwhile, the elongation at break of the hose is not obviously reduced or even slightly improved.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides a long-life polymer hose, the hose includes following raw materials:
the preparation method of the modified zirconia comprises the following steps:
1) mixing 0.4kg of propylene glycol, 1.2kg of carbon black, 1.2kg of sodium dodecyl benzene sulfonate and 9kg of water, and then carrying out ultrasonic treatment with the ultrasonic power of 500W and the ultrasonic treatment time of 4h to obtain a mixed solution;
2) adding 1kg of zirconia into the mixed solution, then carrying out ultrasonic treatment, wherein the ultrasonic power is 500W, the ultrasonic time is 4h, stirring the mixed solution at 60 ℃ for 4h after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconia.
The preparation method of the polymer hose comprises the following steps:
mixing and heating the polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and modified zirconia for melting, wherein the heating temperature is 138 ℃, the heating time is 1.5h, then mixing and granulating the melted mixture at 162 ℃, and finally extruding and molding the granulated particles through a single-screw extruder to obtain the high-molecular hose.
Example 2
The embodiment provides a long-life polymer hose, the hose includes following raw materials:
the preparation method of the modified zirconia comprises the following steps:
1) mixing 0.4kg of propylene glycol, 1.2kg of carbon black, 1.2kg of sodium dodecyl benzene sulfonate and 9kg of water, and then carrying out ultrasonic treatment with the ultrasonic power of 500W and the ultrasonic treatment time of 4h to obtain a mixed solution;
2) adding 1kg of zirconia into the mixed solution, then carrying out ultrasonic treatment, wherein the ultrasonic power is 500W, the ultrasonic time is 4h, stirring the mixed solution at 60 ℃ for 4h after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconia.
The preparation method of the polymer hose comprises the following steps:
mixing and heating the polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and modified zirconia for melting, wherein the heating temperature is 138 ℃, the heating time is 1.5h, then mixing and granulating the melted mixture at 162 ℃, and finally extruding and molding the granulated particles through a single-screw extruder to obtain the high-molecular hose.
Example 3
The embodiment provides a long-life polymer hose, the hose includes following raw materials:
the preparation method of the modified zirconia comprises the following steps:
1) mixing 0.4kg of propylene glycol, 1.2kg of carbon black, 1.2kg of sodium dodecyl benzene sulfonate and 9kg of water, and then carrying out ultrasonic treatment with the ultrasonic power of 500W and the ultrasonic treatment time of 4h to obtain a mixed solution;
2) adding 1kg of zirconia into the mixed solution, then carrying out ultrasonic treatment, wherein the ultrasonic power is 500W, the ultrasonic time is 4h, stirring the mixed solution at 60 ℃ for 4h after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconia.
The preparation method of the polymer hose comprises the following steps:
mixing and heating the polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and modified zirconia for melting, wherein the heating temperature is 138 ℃, the heating time is 1.5h, then mixing and granulating the melted mixture at 162 ℃, and finally extruding and molding the granulated particles through a single-screw extruder to obtain the high-molecular hose.
Comparative example 1
The comparative example provides a polymer hose comprising the following raw materials:
the preparation method of the polymer hose comprises the following steps:
mixing and heating the polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate and pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] to melt, wherein the heating temperature is 138 ℃, the heating time is 1.5h, then mixing and granulating the melted mixture at 162 ℃, and finally extruding and molding the granulated particles through a single screw extruder to obtain the high polymer hose.
Comparative example 2
This comparative example provides a long-life polymer hose, the hose includes the following raw materials:
the preparation method of the polymer hose comprises the following steps:
mixing and heating the polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], zirconium oxide and carbon black to melt, wherein the heating temperature is 138 ℃, the heating time is 1.5h, then mixing and granulating the melted mixture at 162 ℃, and finally extruding and molding the granulated particles through a single screw rod extruder to obtain the high polymer hose.
Test example
The hose prepared in the above examples and comparative examples was tested for performance, wherein the test method used for each performance test data is as follows: the tensile strength is tested according to the GB/T8804.2-2003 standard; the elongation at break was measured according to GB/T5836-1996, and the results are shown in Table 1.
Table 1 results of performance testing
From the results in table 1, it can be seen that the tensile strength of the hose can be greatly improved without reducing (even slightly increasing) the elongation at break of the hose by adding the modified zirconia of the present invention.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The long-life polymer hose is characterized by comprising the following raw materials in parts by weight: 100 parts of polyvinyl chloride, 20-30 parts of diisononyl phthalate, 10-20 parts of phosphite ester, 10-18 parts of methyl tin mercaptide, 10-15 parts of zinc stearate, 1-6 parts of pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and 1-6 parts of modified zirconia.
2. The long life polymer hose of claim 1, wherein said modified zirconia is prepared by a method comprising the steps of:
1) mixing propylene glycol, carbon black, sodium dodecyl benzene sulfonate and water, and then carrying out ultrasonic treatment to obtain a mixed solution;
2) adding zirconium oxide into the mixed solution, then carrying out ultrasonic treatment, stirring the mixed solution after the ultrasonic treatment is finished, filtering after the stirring is finished, and drying a filter cake to obtain the modified zirconium oxide.
3. The long life polymer hose of claim 2, wherein the mass ratio of zirconia, propylene glycol, carbon black, sodium dodecylbenzenesulfonate and water is 1: (0.4-0.6): (1.0-1.2): (1.1-1.4): (8-10).
4. The long-life polymer hose of claim 2 or 3, wherein the ultrasonic power in step 1) is 400-600W, and the ultrasonic time is 1-5 h.
5. The long-life polymer hose of any one of claims 2 to 4, wherein the ultrasonic power in step 2) is 400-600W, and the ultrasonic time is 1-5 h.
6. The long life polymer hose according to any one of claims 2 to 5, wherein the stirring temperature in step 2) is 50 to 70 ℃ and the stirring time is 2 to 4 hours.
7. The long life polymer hose of any one of claims 1 to 6, wherein said polyvinyl chloride has a weight average molecular weight of 10 to 12 ten thousand.
8. The method for producing a long-life polymer hose according to any one of claims 1 to 7, comprising the steps of:
mixing and heating polyvinyl chloride, diisononyl phthalate, phosphite ester, methyl tin mercaptide, zinc stearate, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] and modified zirconia for melting, then mixing and granulating the melted mixture, and finally extruding and molding the granulated particles to obtain the high-molecular hose.
9. The method for preparing a long-life polymer hose as claimed in claim 8, wherein the heating and melting temperature is 130-140 ℃, and the heating and melting time is 0.5-3 h.
10. The method for preparing a long-life polymer hose as claimed in claim 8 or 9, wherein the mixing and granulating temperature is 160-170 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655899.7A CN114196140A (en) | 2021-12-31 | 2021-12-31 | Long-life polymer hose and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111655899.7A CN114196140A (en) | 2021-12-31 | 2021-12-31 | Long-life polymer hose and preparation method thereof |
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| Publication Number | Publication Date |
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| CN114196140A true CN114196140A (en) | 2022-03-18 |
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| CN202111655899.7A Pending CN114196140A (en) | 2021-12-31 | 2021-12-31 | Long-life polymer hose and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202337A1 (en) * | 2016-05-24 | 2017-11-30 | 山东日科化学股份有限公司 | Low-temperature toughening modifier for polyvinyl chloride and polyvinyl chloride composite agent containing same |
| CN107880451A (en) * | 2017-12-22 | 2018-04-06 | 铜陵市远维线缆有限公司 | A kind of preparation method of modified polyvinyl chloride sheath for cable production |
| CN108948570A (en) * | 2018-05-31 | 2018-12-07 | 安徽电信器材贸易工业有限责任公司 | A kind of cable jacket composite material and preparation method |
-
2021
- 2021-12-31 CN CN202111655899.7A patent/CN114196140A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017202337A1 (en) * | 2016-05-24 | 2017-11-30 | 山东日科化学股份有限公司 | Low-temperature toughening modifier for polyvinyl chloride and polyvinyl chloride composite agent containing same |
| CN107880451A (en) * | 2017-12-22 | 2018-04-06 | 铜陵市远维线缆有限公司 | A kind of preparation method of modified polyvinyl chloride sheath for cable production |
| CN108948570A (en) * | 2018-05-31 | 2018-12-07 | 安徽电信器材贸易工业有限责任公司 | A kind of cable jacket composite material and preparation method |
Non-Patent Citations (1)
| Title |
|---|
| 胡正勇等: "聚氯乙烯/炭黑电力屏蔽材料的制备及性能分析", 《塑料科技》 * |
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Application publication date: 20220318 |