CN116948285B - Integrated polyethylene double-material hose and preparation method thereof - Google Patents
Integrated polyethylene double-material hose and preparation method thereof Download PDFInfo
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- CN116948285B CN116948285B CN202310899150.XA CN202310899150A CN116948285B CN 116948285 B CN116948285 B CN 116948285B CN 202310899150 A CN202310899150 A CN 202310899150A CN 116948285 B CN116948285 B CN 116948285B
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- -1 polyethylene Polymers 0.000 title claims abstract description 49
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 43
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 26
- 238000001746 injection moulding Methods 0.000 claims abstract description 25
- 125000006850 spacer group Chemical group 0.000 claims abstract description 15
- 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 claims abstract description 13
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 claims abstract description 13
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 11
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 110
- 239000012745 toughening agent Substances 0.000 claims description 97
- 239000000377 silicon dioxide Substances 0.000 claims description 55
- 239000002135 nanosheet Substances 0.000 claims description 54
- 238000002156 mixing Methods 0.000 claims description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000008367 deionised water Substances 0.000 claims description 31
- 229910021641 deionized water Inorganic materials 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000006243 chemical reaction Methods 0.000 claims description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 27
- 239000004332 silver Substances 0.000 claims description 27
- 229910052709 silver Inorganic materials 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 26
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 24
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 24
- 239000007864 aqueous solution Substances 0.000 claims description 21
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 21
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 claims description 20
- 238000005406 washing Methods 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 13
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 12
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 238000004108 freeze drying Methods 0.000 claims description 11
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 11
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 11
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 11
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 10
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 claims description 10
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 10
- 239000012279 sodium borohydride Substances 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000003921 oil Substances 0.000 claims description 8
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 claims description 7
- 229920000053 polysorbate 80 Polymers 0.000 claims description 7
- 238000001291 vacuum drying Methods 0.000 claims description 7
- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 claims description 6
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000000844 anti-bacterial effect Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 7
- 239000004594 Masterbatch (MB) Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 abstract description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract description 3
- 229920000092 linear low density polyethylene Polymers 0.000 abstract description 3
- 239000004707 linear low-density polyethylene Substances 0.000 abstract description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 125000003277 amino group Chemical group 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002064 nanoplatelet Substances 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D35/00—Pliable tubular containers adapted to be permanently or temporarily deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid material; Holders therefor
- B65D35/02—Body construction
- B65D35/04—Body construction made in one piece
- B65D35/08—Body construction made in one piece from plastics material
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of polyethylene hoses, in particular to an integrated polyethylene double-material hose and a preparation method thereof. According to the scheme, metallocene linear low-density polyethylene and low-density polyethylene are used as main components, maleic anhydride grafted linear low-density polyethylene is used as a compatilizer, aluminum hydroxide is used as a flame retardant, and components such as antioxidant 1010, nano calcium carbonate and the like are added to prepare a polyethylene material with excellent mechanical properties, and the polyethylene material is used as a raw material of a double-material hose, and the hose is obtained by processing the raw material in a one-time injection molding mode; the scheme protects the structure and the processing method of the double-material hose, can produce the hose which can be filled with two materials at one time, is fast and stably molded, and the pipe head, the pipe body and the inner spacer are made of polyethylene materials, thereby being beneficial to recycling; the prepared polyethylene master batch has excellent mechanical property and better flame retardance, has antibacterial property, and can be widely applied to daily chemical packaging.
Description
Technical Field
The invention relates to the technical field of polyethylene hoses, in particular to an integrated polyethylene double-material hose and a preparation method thereof.
Background
The technology of the composite hose is used in daily chemical packaging from the 90 s of the last century, from the initial toothpaste tube to the current various cosmetic hoses. With the development of economy and the improvement of life quality, consumers have higher and higher demands on cosmetic tubes. The hose is internally provided with a single material body, so that the requirement can not be met, two or even more material bodies are required to be used simultaneously, and a primary and secondary pipe capable of simultaneously accommodating the two material bodies appears. However, the primary and secondary pipes are combined together by respectively injection-molding two hoses, so that the production cost is high and the production efficiency is low.
Meanwhile, polyethylene or polypropylene is generally selected as a material of the composite hose, but the actual processing performance of the composite hose cannot meet the requirements of consumers, so that based on the situation, the application provides an integrated polyethylene double-material hose and a preparation method thereof, so that the comprehensive mechanical performance of the hose is improved.
Disclosure of Invention
The invention aims to provide an integrated polyethylene double-material hose and a preparation method thereof, so as to solve the problems in the background art.
In order to solve the technical problems, the invention provides the following technical scheme:
the application discloses protection integral type polyethylene double-material body hose, its structure is: the hose comprises a tube head, a tube body and an inner spacer, one end of the tube piece is connected with the tube head, and the other end of the tube piece extends to the tail end of the tube body and separates two storage cavities. The glue thickness of the pipe head is 1.15-1.5 mm, the glue thickness of the inner spacer is 0.6-0.7 mm, and the glue thickness of the pipe body is 0.6-0.7 mm; in order to successfully demold the pipe from the mold after molding, the pipe is obliquely jacked, the pipe is prevented from being scratched during ejection, the pipe body and the inner spacer are required to be provided with slopes, the outer wall of the pipe body is obliquely arranged below the pipe tail, and the inclination angle is 0.06 degree; the inner spacer is obliquely arranged below the pipe tail, and the inclination angle is 0.2 degrees, namely the thickness of the glue position of the pipe body is larger than that of the pipe tail; the hose is formed by integral injection molding, a high-injection-speed forming machine is adopted during integral injection molding, the injection speed is 800-850 mm/s, the injection temperature is 230-260 ℃, the top surface of the tube head is a glue inlet point, and the inlet of a material filling die during injection molding is formed.
The preparation method of the integral polyethylene double-material hose comprises the following steps:
(1) Mixing silver nitrate and absolute ethyl alcohol, adding a grafted silicon dioxide nano-sheet, stirring for 5-6 hours in a dark place, adding polyvinylpyrrolidone and sodium borohydride, stirring and reacting for 30-40 minutes at a rotating speed of 600-800 rpm, centrifugally collecting a product, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain a silver-loaded grafted silicon dioxide nano-sheet;
(2) Mixing silver-loaded grafted silica nano-sheets, absolute ethyl alcohol and deionized water, adding azodiisobutyronitrile and divinylbenzene, uniformly stirring, reacting for 5-6 hours in a nitrogen environment, filtering and washing after the reaction is finished at the temperature of 95-100 ℃, and vacuum drying to obtain a toughening agent A;
(3) Mixing silver-loaded grafted silicon dioxide nano-sheets with deionized water, adding 1/2 parts by mass of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 parts by mass of potassium persulfate aqueous solution, heating to 60-65 ℃, reacting for 3-4 hours, adding 1/2 parts by mass of vinyl acetate, 1/2 parts by mass of potassium persulfate aqueous solution and glycidyl methacrylate, continuing to react for 7-8 hours, filtering and washing after the reaction is finished, and vacuum drying to obtain a toughening agent B;
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent;
mixing metallocene linear low-density polyethylene, a compatilizer, a compound toughening agent, a flame retardant, an antioxidant and nano calcium carbonate, melting and blending at 165-195 ℃, and performing injection molding once to obtain the finished product.
The preparation method of the grafted silica nanosheets comprises the following steps: mixing Tween-80 with deionized water, stirring to dissolve, and adding hydrochloric acid to adjust pH to 2.5 to obtain water phase;
mixing tetraethyl orthosilicate, KH-550, KH-570, span-80 and toluene, and stirring to uniformity to obtain oil phase; adding the water phase into the oil phase, shearing for 2-4 min at 12000-13000 rpm, polymerizing at 200-250 rpm for 12-14 h, washing with absolute ethyl alcohol and deionized water in sequence at 70-75 ℃, and freeze-drying to obtain the grafted silica nano-sheet.
In a more optimized scheme, the concentration of the hydrochloric acid is 2mol/L, and the concentration of the Tween-80 is 0.012-0.015 g/mL; the mass ratio of the tetraethyl orthosilicate to the KH-550 to the KH-570 to the span-80 is (5.4 to 5.6): 1: (1.3-1.4): (6.3-6.5).
In the more optimized scheme, in the step (1), the mass ratio of the grafted silicon dioxide nano-sheet, silver nitrate, polyvinylpyrrolidone and sodium borohydride is (10-10.5): (3.6-4): 2:1.
in the more optimized scheme, in the step (2), the mass ratio of the silver-loaded grafted silica nanosheets to the azobisisobutyronitrile to the divinylbenzene is 90mg:5mg:2mL.
In the more optimized scheme, in the step (3), the mass ratio of the silver-loaded grafted silica nano-sheet to the deionized water to the vinyl acetate to the glycidyl methacrylate is 10:15:2:1, a step of; the dosage of the potassium persulfate aqueous solution is 1-1.5 wt% of that of vinyl acetate.
In the more optimized scheme, in the step (4), the components of the compound toughening agent are as follows: 8-10wt% of toughening agent A, 15-20wt% of toughening agent B and the balance of toughening agent C; the weight portions of the components are as follows: 30-40 parts of metallocene linear low-density polyethylene, 50-60 parts of low-density polyethylene, 5-10 parts of compatilizer, 8-15 parts of compound toughening agent, 25-35 parts of flame retardant, 1-2 parts of antioxidant and 8-10 parts of nano calcium carbonate.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses an integral polyethylene double-material hose and a preparation method thereof, wherein metallocene linear low-density polyethylene and low-density polyethylene are used as main components, maleic anhydride grafted linear low-density polyethylene is used as a compatilizer, aluminum hydroxide is used as a flame retardant, and components such as antioxidant 1010, nano calcium carbonate and the like are added to prepare a polyethylene material with excellent mechanical properties, and the polyethylene material is used as a raw material of the double-material hose, and the hose is obtained by processing the polyethylene material in a one-step injection molding mode, so that the hose can be widely applied to the daily chemical field and has higher practicability.
During the preparation, grafted silica nanosheets are prepared firstly, the scheme is prepared by a one-pot method, tween-80 and deionized water are mixed, hydrochloric acid is used for adjusting the pH value to 2.5, a water phase is obtained, tetraethyl orthosilicate, silane coupling agents KH-550, KH-570 and the like are used for forming an oil phase, an oil-water interface can gather tetraethyl orthosilicate, span-80, KH-550 and KH-570 during the reaction, at the moment, an amino group points to the water phase, a double bond points to the oil phase, and demulsification is carried out due to the osmotic pressure effect after the reaction, so that the silica nanosheets are formed, one side of each silica nanosheet is grafted with the amino group, and the double bond is introduced into the other side; on one hand, due to the existence of the amino group, during the subsequent silver nitrate deposition, the amino group can adsorb silver ions for reduction, and nano silver is deposited on one side of the silicon dioxide nano sheet so as to improve the antibacterial property of the polyethylene; on the other hand, the existence of double bonds can also improve the compatibility of the silica nano-sheet and a polyethylene system; meanwhile, due to the existence of double bonds, the scheme utilizes double bond grafted divinylbenzene to polymerize to obtain a toughening agent A, utilizes double bonds to graft polymerize with glycidyl methacrylate and vinyl acetate to obtain a toughening agent B, and mixes the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent, and the compound toughening agent is a brand new disclosed technical scheme, can effectively toughen polyethylene and can also improve the antibacterial property of products.
It is to be noted that: in the polyethylene formula, a compound toughening agent is introduced in the scheme. The components are defined as 8-10wt% of toughening agent A, 15-20wt% of toughening agent B and the balance of toughening agent C, and under the limitation of the dosage, the compound toughening agent prepared by the application can toughen polyethylene so as to improve the mechanical property of the polyethylene.
The invention discloses an integrated polyethylene double-material hose and a preparation method thereof, which protect the structure and the processing method of the double-material hose, can produce the hose which can be filled with two materials at one time, is fast and stably molded, and the pipe head, the pipe body and the inner spacer are all made of polyethylene materials, thereby being beneficial to recycling; the prepared polyethylene master batch has excellent mechanical property and better flame retardance, has antibacterial property, and can be widely applied to daily chemical packaging.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of a dual body hose made in accordance with the present invention;
fig. 2 is a three-dimensional schematic diagram of a dual body hose made in accordance with the present invention.
In the figure: 1-tube head, 2-tube body and 3-inner spacer.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 2, the present application discloses a protection integrated polyethylene double-body hose, which has the structure as follows: the hose comprises a pipe head 1, a pipe body 2 and an inner spacer 3, one end of the pipe piece is connected with the pipe head 1, and the other end of the pipe piece extends to the tail end of the pipe body 2 and separates two storage cavities. The glue thickness of the pipe head 1 is 1.15-1.5 mm, the glue thickness of the inner spacer 3 is 0.6-0.7 mm, and the glue thickness of the pipe body 2 is 0.6-0.7 mm; in order to successfully demold the pipe from the mold after molding, the pipe is obliquely jacked, the pipe is prevented from being scratched during ejection, the pipe body 2 and the inner spacer 3 are required to be provided with slopes, the outer wall of the pipe body 2 is obliquely arranged below the pipe tail, and the inclination angle is 0.06 degrees; the inner spacer 3 is obliquely arranged below the pipe tail, and the inclination angle is 0.2 degrees, namely the thickness of the glue position of the pipe body 2 is larger than the pipe tail; the hose is formed by integral injection molding, and a high-speed forming machine is adopted during integral injection molding. The top surface of the pipe head 1 is a glue inlet point, which is an inlet for filling the mould with the material during injection molding.
In the following examples, the preparation steps of the grafted silica nanoplatelets are:
mixing Tween-80 with deionized water, stirring to dissolve, and adding hydrochloric acid to adjust pH to 2.5 to obtain water phase; mixing 5.6g of tetraethyl orthosilicate, 1gKH-550, 1.4gKH-570, 6.3g of span-80 and 65g of toluene, and stirring to be uniform to obtain an oil phase; adding the water phase into the oil phase, shearing for 4min at 1200rpm, polymerizing for 14h at 250rpm, washing with absolute ethyl alcohol and deionized water in sequence at the polymerization temperature of 75 ℃, and freeze-drying to obtain the grafted silica nano-sheet. The concentration of the hydrochloric acid is 2mol/L, and the concentration of the Tween-80 is 0.015g/mL.
Wherein: polyvinylpyrrolidone has an average molecular weight of 24000, K23-27, provided by Aba Ding Shiji; silver nitrate is supplied by national pharmaceutical groups chemical reagent limited; the metallocene linear low density polyethylene had a melt flow rate of 1.0g/10min,1828, supplied by Nordic chemical Co., ltd; low density polyethylene 1I2A, supplied by the lanzhou chemical industry company; the compatilizer is maleic anhydride grafted linear low density polyethylene W1L, which is provided by Americaceae, america plastic technology Co., ltd; the flame retardant is aluminum hydroxide with 5000 meshes and is provided by Jinan Jin Ying Tay chemical industry Co., ltd; the antioxidant is antioxidant 1010; the average grain diameter of the nano calcium carbonate is 80nm.
Example 1: an integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nano-sheets, stirring for 5 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at 600rpm for reaction for 40 minutes, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nano-sheets.
(2) 180mg of silver-loaded grafted silica nanosheets, 90mL of absolute ethyl alcohol and 10mL of deionized water are taken and mixed, 10mg of azodiisobutyronitrile and 4mL of divinylbenzene are added, the mixture is stirred uniformly and reacted for 5 hours in a nitrogen environment, the reaction temperature is 100 ℃, and after the reaction is finished, the mixture is filtered, washed and dried in vacuum, so as to obtain the toughening agent A.
(3) Mixing 20g of silver-loaded grafted silica nano-sheets and 30g of deionized water, adding 2g of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 part by mass of potassium persulfate aqueous solution, heating to 60 ℃, reacting for 4 hours, adding 2g of vinyl acetate, 1/2 part by mass of potassium persulfate aqueous solution and 2g of glycidyl methacrylate, continuing to react for 7 hours, filtering and washing after the reaction is finished, and drying in vacuum to obtain a flexibilizer B; the amount of the potassium persulfate aqueous solution is 1.5wt% of that of vinyl acetate.
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent; 8wt% of toughening agent A, 20wt% of toughening agent B and the balance of toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 10 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Example 2: an integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nanosheets, stirring for 5-6 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at a rotation speed of 700rpm for reaction for 35min, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nanosheets.
(2) 180mg of silver-loaded grafted silica nanosheets, 90mL of absolute ethyl alcohol and 10mL of deionized water are taken and mixed, 10mg of azodiisobutyronitrile and 4mL of divinylbenzene are added, the mixture is stirred uniformly and reacted for 5.5 hours in a nitrogen environment, the reaction temperature is 95 ℃, and after the reaction is finished, the mixture is filtered, washed and dried in vacuum to obtain the toughening agent A.
(3) Mixing 20g of silver-loaded grafted silica nano-sheets and 30g of deionized water, adding 2g of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 part by mass of potassium persulfate aqueous solution, heating to 65 ℃, reacting for 3.5 hours, adding 2g of vinyl acetate, 1/2 part by mass of potassium persulfate aqueous solution and 2g of glycidyl methacrylate, continuing to react for 7.5 hours, filtering and washing after the reaction is finished, and vacuum drying to obtain a flexibilizer B; the amount of the potassium persulfate aqueous solution is 1.5wt% of that of vinyl acetate.
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent; 8wt% of toughening agent A, 20wt% of toughening agent B and the balance of toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 12 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Example 3: an integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nanosheets, stirring for 6 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at a speed of 800rpm for reaction for 30 minutes, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nanosheets.
(2) 180mg of silver-loaded grafted silica nanosheets, 90mL of absolute ethyl alcohol and 10mL of deionized water are taken and mixed, 10mg of azodiisobutyronitrile and 4mL of divinylbenzene are added, the mixture is stirred uniformly and reacted for 6 hours in a nitrogen environment, the reaction temperature is 95 ℃, and after the reaction is finished, the mixture is filtered, washed and dried in vacuum to obtain the toughening agent A.
(3) Mixing 20g of silver-loaded grafted silica nano-sheets and 30g of deionized water, adding 2g of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 part by mass of potassium persulfate aqueous solution, heating to 65 ℃, reacting for 3 hours, adding 2g of vinyl acetate, 1/2 part by mass of potassium persulfate aqueous solution and 2g of glycidyl methacrylate, continuing to react for 8 hours, filtering and washing after the reaction is finished, and drying in vacuum to obtain a toughening agent B; the amount of the potassium persulfate aqueous solution is 1.5wt% of that of vinyl acetate.
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent; 8wt% of toughening agent A, 20wt% of toughening agent B and the balance of toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 11 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Comparative example 1: in comparative example 1, no toughening agent a was added, and the remaining parameters were unchanged, using example 2 as a control group.
An integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nanosheets, stirring for 5-6 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at a rotation speed of 700rpm for reaction for 35min, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nanosheets.
(2) Mixing 20g of silver-loaded grafted silica nano-sheets and 30g of deionized water, adding 2g of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 part by mass of potassium persulfate aqueous solution, heating to 65 ℃, reacting for 3.5 hours, adding 2g of vinyl acetate, 1/2 part by mass of potassium persulfate aqueous solution and 2g of glycidyl methacrylate, continuing to react for 7.5 hours, filtering and washing after the reaction is finished, and vacuum drying to obtain a flexibilizer B; the amount of the potassium persulfate aqueous solution is 1.5wt% of that of vinyl acetate.
(3) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent B and the toughening agent C to obtain a compound toughening agent; 20wt% of a toughening agent B and the balance of a toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 12 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Comparative example 2: in the comparative example 2, no toughening agent B was added in the comparative example 2, and the remaining parameters were unchanged.
An integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nanosheets, stirring for 5-6 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at a rotation speed of 700rpm for reaction for 35min, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nanosheets.
(2) 180mg of silver-loaded grafted silica nanosheets, 90mL of absolute ethyl alcohol and 10mL of deionized water are taken and mixed, 10mg of azodiisobutyronitrile and 4mL of divinylbenzene are added, the mixture is stirred uniformly and reacted for 5.5 hours in a nitrogen environment, the reaction temperature is 95 ℃, and after the reaction is finished, the mixture is filtered, washed and dried in vacuum to obtain the toughening agent A.
(3) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A and the toughening agent C to obtain a compound toughening agent; 8wt% of a toughening agent A and the balance of a toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 12 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Comparative example 3: in the comparative example 3, the amounts of the toughening agents A and B were adjusted by using the example 3 as a control group, and the parameters of the other steps were unchanged.
An integral polyethylene double-material hose and a preparation method thereof, comprising the following steps:
(1) Mixing 15mg of silver nitrate and 40mL of absolute ethyl alcohol, adding 42mg of grafted silica nanosheets, stirring for 5-6 hours in a dark place, adding 8mg of polyvinylpyrrolidone and 4mg of sodium borohydride, stirring at a rotation speed of 700rpm for reaction for 35min, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain the silver-loaded grafted silica nanosheets.
(2) 180mg of silver-loaded grafted silica nanosheets, 90mL of absolute ethyl alcohol and 10mL of deionized water are taken and mixed, 10mg of azodiisobutyronitrile and 4mL of divinylbenzene are added, the mixture is stirred uniformly and reacted for 5.5 hours in a nitrogen environment, the reaction temperature is 95 ℃, and after the reaction is finished, the mixture is filtered, washed and dried in vacuum to obtain the toughening agent A.
(3) Mixing 20g of silver-loaded grafted silica nano-sheets and 30g of deionized water, adding 2g of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 part by mass of potassium persulfate aqueous solution, heating to 65 ℃, reacting for 3.5 hours, adding 2g of vinyl acetate, 1/2 part by mass of potassium persulfate aqueous solution and 2g of glycidyl methacrylate, continuing to react for 7.5 hours, filtering and washing after the reaction is finished, and vacuum drying to obtain a flexibilizer B; the amount of the potassium persulfate aqueous solution is 1.5wt% of that of vinyl acetate.
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent; 13wt% of toughening agent A, 15wt% of toughening agent B and the balance of toughening agent C.
Taking 30 parts of metallocene linear low-density polyethylene, 60 parts of low-density polyethylene, 6 parts of compatilizer, 12 parts of compound toughening agent, 30 parts of flame retardant, 2 parts of antioxidant and 8 parts of nano calcium carbonate by mass, mixing, melting and blending at 190 ℃, and carrying out injection molding by a high-injection molding machine for one time, wherein the injection speed is 800mm/s, thus obtaining the finished product.
Detection experiment:
1. according to the formulation disclosed in examples 1-3 and comparative examples 1-3, the master batch is obtained by melt blending at 190 ℃, extrusion granulation, drying at 80 ℃ for 6 hours, injecting into a standard sample, testing the limiting oxygen index of the standard sample, and testing according to ASTMD2863-2012, the sample size is 120mm multiplied by 6.5mm multiplied by 3.2mm.
2. According to the method 1, the master batch is dried for 6 hours at 80 ℃, melted and plasticized (175 ℃ for 5 min), and hot-pressed to form a standard dumbbell type sample, wherein the tensile strength is measured according to GB/T1040-2006, and the tensile rate is 200mm/min.
3. A test sample was prepared according to the method 1, and the antibacterial property of the test sample was tested according to GB/T31402-2005 test method for antibacterial Property of Plastic surface, and the test strain was E.coli.
| Project | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Limiting oxygen index | 24.3 | 24.6 | 24.4 | 23.4 | 23.5 | 23.9 |
| Tensile Strength | 31.7 | 33.6 | 32.8 | 27.1 | 28.7 | 31.4 |
| Antibacterial rate | 99.1％ | 99.7％ | 99.3％ | ＞85％ | ＞85％ | 99.4％ |
Conclusion: the invention discloses an integrated polyethylene double-material hose and a preparation method thereof, which protect the structure and the processing method of the double-material hose, can produce the hose which can be filled with two materials at one time, is fast and stably molded, and the pipe head, the pipe body and the inner spacer are all made of polyethylene materials, thereby being beneficial to recycling; the prepared polyethylene master batch has excellent mechanical property and better flame retardance, has antibacterial property, and can be widely applied to daily chemical packaging.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The preparation method of the integral polyethylene double-material hose is characterized by comprising the following steps of: the method comprises the following steps:
(1) Mixing silver nitrate and absolute ethyl alcohol, adding grafted silicon dioxide nano-sheets, stirring for 5-6 hours in a dark place, adding polyvinylpyrrolidone and sodium borohydride, stirring for reaction for 30-40 minutes, centrifugally collecting products, washing with absolute ethyl alcohol and deionized water in sequence, and freeze-drying to obtain silver-loaded grafted silicon dioxide nano-sheets;
(2) Mixing silver-loaded grafted silica nano-sheets, absolute ethyl alcohol and deionized water, adding azodiisobutyronitrile and divinylbenzene, uniformly stirring, reacting for 5-6 hours in a nitrogen environment, filtering and washing after the reaction is finished at the temperature of 95-100 ℃, and vacuum drying to obtain a toughening agent A;
(3) Mixing silver-loaded grafted silicon dioxide nano-sheets with deionized water, adding 1/2 parts by mass of vinyl acetate, stirring uniformly in a nitrogen environment, adding 1/2 parts by mass of potassium persulfate aqueous solution, heating to 60-65 ℃, reacting for 3-4 hours, adding 1/2 parts by mass of vinyl acetate, 1/2 parts by mass of potassium persulfate aqueous solution and glycidyl methacrylate, continuing to react for 7-8 hours, filtering and washing after the reaction is finished, and vacuum drying to obtain a toughening agent B;
(4) Taking the grafted silica nanosheets as a toughening agent C, and mixing the toughening agent A, the toughening agent B and the toughening agent C to obtain a compound toughening agent;
mixing metallocene linear low-density polyethylene, a compatilizer, a compound toughening agent, a flame retardant, an antioxidant and nano calcium carbonate, carrying out melt blending at 165-195 ℃, and carrying out injection molding at one time to obtain a finished product;
wherein the preparation steps of the grafted silica nanosheets are as follows: mixing Tween-80 with deionized water, stirring to dissolve, and adding hydrochloric acid to adjust pH to 2.5 to obtain water phase;
mixing tetraethyl orthosilicate, KH-550, KH-570, span-80 and toluene, and stirring to uniformity to obtain oil phase; adding the water phase into the oil phase, shearing for 2-4 min at the speed of 12000-13000 rpm, carrying out polymerization reaction for 12-14 h at the rotation speed of 200-250 rpm, washing with absolute ethyl alcohol and deionized water in sequence at the polymerization temperature of 70-75 ℃, and freeze-drying to obtain grafted silica nano-sheets;
in the step (4), the components of the compound toughening agent are as follows: 8-10wt% of toughening agent A, 15-20wt% of toughening agent B and the balance of toughening agent C; the weight portions of the components are as follows: 30-40 parts of metallocene linear low-density polyethylene, 50-60 parts of low-density polyethylene, 5-10 parts of compatilizer, 8-15 parts of compound toughening agent, 25-35 parts of flame retardant, 1-2 parts of antioxidant and 8-10 parts of nano calcium carbonate.
2. The method for manufacturing an integrated polyethylene double-body hose according to claim 1, wherein: the concentration of the hydrochloric acid is 2mol/L, and the concentration of the Tween-80 is 0.012-0.015 g/mL; the mass ratio of tetraethyl orthosilicate to KH-550 to KH-570 to span-80 is (5.4-5.6): 1: (1.3 to 1.4): (6.3 to 6.5).
3. The method for manufacturing an integrated polyethylene double-body hose according to claim 1, wherein: in the step (1), the mass ratio of the grafted silicon dioxide nano-sheet, silver nitrate, polyvinylpyrrolidone and sodium borohydride is (10-10.5): (3.6 to 4): 2:1.
4. the method for manufacturing an integrated polyethylene double-body hose according to claim 1, wherein: in the step (2), the mass ratio of the silver-loaded grafted silica nano-sheet to the azodiisobutyronitrile to the divinylbenzene is 90mg:5mg:2mL.
5. The method for manufacturing an integrated polyethylene double-body hose according to claim 1, wherein: in the step (3), the mass ratio of the silver-loaded grafted silica nano-sheet to deionized water to vinyl acetate to glycidyl methacrylate is 10:15:2:1, a step of; the dosage of the potassium persulfate aqueous solution is 1-1.5wt% of that of vinyl acetate.
6. The double-body hose prepared by the preparation method according to any one of claims 1 to 5, characterized in that: the hose comprises a tube head, a tube body and an inner spacer, wherein the hose is formed by integral injection molding, one end of the tube sheet is connected with the tube head, and the other end of the tube sheet extends to the tail end of the tube body and separates two storage cavities.
7. The dual body hose of claim 6, wherein: the glue thickness of the pipe head is 1.15-1.5 mm, the glue thickness of the inner spacer is 0.6-0.7 mm, and the glue thickness of the pipe body is 0.6-0.7 mm; the outer wall of the pipe body is obliquely arranged below the pipe tail, and the inclination angle is 0.06 degrees; the inner spacer is obliquely arranged below the pipe tail, and the inclination angle is 0.2 degree.
8. The dual body hose of claim 7, wherein: a high-injection-speed molding machine is adopted during integral injection molding, and the injection speed is 800-850 mm/s.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002179A (en) * | 2010-10-16 | 2011-04-06 | 安徽省池州市忠宏管业有限公司 | Double wall corrugated pipe |
| CN103180368A (en) * | 2010-10-25 | 2013-06-26 | 国防研究与发展组织 | Ethyl oligo-silicates with strong acid heterogenous polymeric catalysts |
| CN103665269A (en) * | 2013-11-12 | 2014-03-26 | 江南大学 | Preparation method of amphiphilic acrylate copolymer surface grafting modified nano silicon dioxide |
| CN106215825A (en) * | 2016-07-25 | 2016-12-14 | 燕山大学 | A kind of preparation method of silicon-dioxide-substrate microcapsule |
| CN108676615A (en) * | 2018-04-25 | 2018-10-19 | 上海应用技术大学 | A kind of preparation method of nano controlled-release essence |
| CN112980080A (en) * | 2021-02-23 | 2021-06-18 | 杨勇强 | High-temperature-resistant polyethylene and preparation method thereof |
| KR20210122193A (en) * | 2020-03-31 | 2021-10-08 | 엘에스전선 주식회사 | Heat shrinkable tube at high speed in low temperature |
| CN116144098A (en) * | 2023-02-23 | 2023-05-23 | 江苏馨德高分子材料股份有限公司 | Outdoor anti-aging cable material and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3524641A1 (en) * | 2018-02-09 | 2019-08-14 | Plastiflex Group | Polymer material with high melt index and high flexural fatigue |
-
2023
- 2023-07-21 CN CN202310899150.XA patent/CN116948285B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102002179A (en) * | 2010-10-16 | 2011-04-06 | 安徽省池州市忠宏管业有限公司 | Double wall corrugated pipe |
| CN103180368A (en) * | 2010-10-25 | 2013-06-26 | 国防研究与发展组织 | Ethyl oligo-silicates with strong acid heterogenous polymeric catalysts |
| CN103665269A (en) * | 2013-11-12 | 2014-03-26 | 江南大学 | Preparation method of amphiphilic acrylate copolymer surface grafting modified nano silicon dioxide |
| CN106215825A (en) * | 2016-07-25 | 2016-12-14 | 燕山大学 | A kind of preparation method of silicon-dioxide-substrate microcapsule |
| CN108676615A (en) * | 2018-04-25 | 2018-10-19 | 上海应用技术大学 | A kind of preparation method of nano controlled-release essence |
| KR20210122193A (en) * | 2020-03-31 | 2021-10-08 | 엘에스전선 주식회사 | Heat shrinkable tube at high speed in low temperature |
| CN112980080A (en) * | 2021-02-23 | 2021-06-18 | 杨勇强 | High-temperature-resistant polyethylene and preparation method thereof |
| CN116144098A (en) * | 2023-02-23 | 2023-05-23 | 江苏馨德高分子材料股份有限公司 | Outdoor anti-aging cable material and preparation method thereof |
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