CN112592537A - High-elasticity cable protection pipe and preparation method thereof - Google Patents
High-elasticity cable protection pipe and preparation method thereof Download PDFInfo
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- CN112592537A CN112592537A CN202011612630.6A CN202011612630A CN112592537A CN 112592537 A CN112592537 A CN 112592537A CN 202011612630 A CN202011612630 A CN 202011612630A CN 112592537 A CN112592537 A CN 112592537A
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- 238000002360 preparation method Methods 0.000 title abstract description 15
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 23
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 22
- -1 polypropylene Polymers 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 229920005560 fluorosilicone rubber Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 15
- 210000004177 elastic tissue Anatomy 0.000 claims abstract description 14
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 14
- 239000010439 graphite Substances 0.000 claims abstract description 14
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 13
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000012188 paraffin wax Substances 0.000 claims abstract description 13
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- 239000008117 stearic acid Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 15
- 239000011241 protective layer Substances 0.000 description 13
- 238000011056 performance test Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 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 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- PEEHTFAAVSWFBL-UHFFFAOYSA-N Maleimide Chemical compound O=C1NC(=O)C=C1 PEEHTFAAVSWFBL-UHFFFAOYSA-N 0.000 description 1
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 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
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000004209 oxidized polyethylene wax Substances 0.000 description 1
- 235000013873 oxidized polyethylene wax Nutrition 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
The invention belongs to the technical field of cable protection pipes, and particularly relates to a high-elasticity cable protection pipe and a preparation method thereof, wherein the high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight: 10-20 parts of polybutadiene rubber, 20-30 parts of fluorosilicone rubber, 25-35 parts of polypropylene, 4-11 parts of polyurethane elastic fiber, 0.5-2 parts of expanded graphite, 5-10 parts of chlorinated paraffin, 2-7 parts of antimony trioxide, 1-3 parts of nano titanium dioxide and 1-5 parts of stearic acid. The cable protection pipe has the advantages of high strength, good toughness, high elasticity and excellent wear resistance.
Description
Technical Field
The invention belongs to the technical field of cable protection pipes, and particularly relates to a high-elasticity cable protection pipe and a preparation method thereof.
Background
At the cabling in-process, the cable protection pipe that generally adopts the polyvinyl chloride material is with the cable protection, and the power protection pipe elasticity of current polyvinyl chloride material is general, and under the impact force effect, it is poor to cable protecting effect, and wear resistance is also relatively poor moreover, at many times pull in-process, the easy friction damage of cable.
The Chinese invention patent application with publication number CN111363271A discloses a corrosion-resistant MPP power cable protection tube material and a preparation method thereof, the power cable protection tube material comprises 30-40 parts of polyvinyl chloride resin, 10-20 parts of propylene-ethylene random copolymer, 8-20 parts of fluorosilicone rubber, 10-20 parts of oxidized polyethylene wax, 5-15 parts of nano silica powder, 3-9 parts of nano calcium carbonate, 4-10 parts of white carbon black, 7-14 parts of tri (2, 4-di-tert-butylphenyl) phosphorous acid, 8-20 parts of silicon nitride, 8-18 parts of silicon carbide compound, 2-6 parts of mica powder, 4-10 parts of carbon fiber, 6-16 parts of expandable graphite, 2-4 parts of CPE flame retardant and 5-10 parts of lithium china stone powder by weight, the preparation method is simple, the prepared power cable protection pipe is high in strength, not easy to deform, excellent in flame retardance, high temperature resistance and wear resistance, suitable for being used in severe environments and long in service life. However, the patent has more inorganic materials, poor compatibility among the raw materials and poor toughness.
The Chinese patent application with the publication number of CN105400068A discloses a graphene oxide modified polypropylene power cable protection tube, which comprises the following raw materials in parts by weight: 60-80 parts of polypropylene, 5-20 parts of butadiene rubber, 5-10 parts of acrylonitrile-butadiene-styrene copolymer, 5-10 parts of metallocene polyethylene, 2-5 parts of nano silica sol, 2-10 parts of graphene oxide, 3-10 parts of nano calcium carbonate, 1-5 parts of talcum powder, 1-5 parts of polyacrylonitrile fiber, 2-10 parts of carboxyl-terminated liquid nitrile rubber, 1-5 parts of phenolic resin, 1-5 parts of polytetrafluoroethylene, 1-3.5 parts of epoxy soybean oil, 2-10 parts of maleimide, 0.5-1.5 parts of dicumyl peroxide, 0.1-1 part of antioxidant, 0.1-0.5 part of dimeric (3, 4-dimethyl) segmental sorbitol and 2-5 parts of silane coupling agent. However, the silicone rubber cable protection pipe of the patent has general wear resistance and is easy to be damaged by friction in a long-term use process.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a high-elasticity cable protection pipe and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
10-20 parts of polybutadiene rubber, 20-30 parts of fluorosilicone rubber, 25-35 parts of polypropylene, 4-11 parts of polyurethane elastic fiber, 0.5-2 parts of expanded graphite, 5-10 parts of chlorinated paraffin, 2-7 parts of antimony trioxide, 1-3 parts of nano titanium dioxide and 1-5 parts of stearic acid.
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
15 parts of polybutadiene rubber, 25 parts of fluorosilicone rubber, 29 parts of polypropylene, 8 parts of polyurethane elastic fiber, 1 part of expanded graphite, 8 parts of chlorinated paraffin, 4 parts of antimony trioxide, 2 parts of nano titanium dioxide and 3 parts of stearic acid.
Preferably, the particle size of the nano titanium dioxide is 10-50 nm.
The preparation method of the cable protection tube material comprises the following steps:
(1) preparing various raw materials according to the weight parts;
(2) adding the raw materials into a mixing roll for mixing to obtain a mixture;
(3) adding the mixture into a double-screw extruder for mixing, and extruding and molding through a die;
(4) and (5) cooling and cutting after shaping to obtain the product.
Preferably, the mixing temperature in the step (2) is 150 ℃ and 170 ℃, and the time is 20-30 min.
Preferably, the outer surface of the cable protection pipe obtained in the step (4) is wound with a boron fiber braided layer.
The invention has the following positive beneficial effects:
1. the polybutadiene rubber has excellent high elasticity, low temperature resistance and wear resistance, and has good compatibility with fluorosilicone rubber and polypropylene; the fluorosilicone rubber has excellent oil resistance, solvent resistance, chemical resistance, heat resistance, cold resistance, radiation resistance and ageing resistance; the polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property and good high-wear-resistance processing property, can be well bonded with polybutadiene rubber and fluorosilicone rubber, and improves the wear resistance and elasticity of the material; the polyurethane elastic fiber belongs to elastic fiber, and has high strength, tear resistance and wear resistance; the flexibility, resilience and plasticity of the material are improved by the expanded graphite and the chlorinated paraffin; antimony trioxide flame retardant; the wear-resisting property of the material is further enhanced by the nano titanium dioxide and the stearic acid, and the obtained cable protection pipe has the advantages of high strength, good toughness, high elasticity and excellent wear-resisting property under the synergistic action of the raw materials.
Detailed Description
The invention will be further illustrated with reference to some specific embodiments.
Example 1
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
10 parts of polybutadiene rubber, 20 parts of fluorosilicone rubber, 25 parts of polypropylene, 4 parts of polyurethane elastic fiber, 0.5 part of expanded graphite, 5 parts of chlorinated paraffin, 2 parts of antimony trioxide, 1 part of nano titanium dioxide and 1 part of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation method of the cable protection tube material comprises the following steps:
(1) preparing various raw materials according to the parts by weight; (2) adding the raw materials into a mixing roll for mixing to obtain a mixture; (3) adding the mixture into a double-screw extruder for mixing, and extruding and molding through a die; mixing temperature
The temperature is 150 ℃ and 170 ℃, and the time is 20-30 min; and (4) cooling after shaping, and cutting to obtain the product.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 30.8MPa, the elongation at break is 358%, the tear strength is 36.5MPa, and the strength and the toughness are high; the rebound resilience is as high as 65 percent, and the elasticity is good; the friction coefficient is as low as 0.36, and the wear resistance is good.
Example 2
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
12 parts of polybutadiene rubber, 21 parts of fluorosilicone rubber, 27 parts of polypropylene, 6 parts of polyurethane elastic fiber, 0.8 part of expanded graphite, 6 parts of chlorinated paraffin, 3 parts of antimony trioxide, 1.5 parts of nano titanium dioxide and 1.5 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation of the above-described cable protective tube material is described in example 1.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 27.9MPa, the elongation at break is 326%, the tear strength is 38.1MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is up to 66 percent, and the elasticity is good; the friction coefficient is as low as 0.41, and the wear resistance is good.
Example 3
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
15 parts of polybutadiene rubber, 25 parts of fluorosilicone rubber, 29 parts of polypropylene, 8 parts of polyurethane elastic fiber, 1 part of expanded graphite, 8 parts of chlorinated paraffin, 4 parts of antimony trioxide, 2 parts of nano titanium dioxide and 3 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation of the above-described cable protective tube material is described in example 1.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 31.2MPa, the elongation at break is 372%, the tear strength is 38.5MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is as high as 65 percent, and the elasticity is good; the friction coefficient is as low as 0.35, and the wear resistance is good.
Example 4
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
16 parts of polybutadiene rubber, 27 parts of fluorosilicone rubber, 31 parts of polypropylene, 9 parts of polyurethane elastic fiber, 1.5 parts of expanded graphite, 8 parts of chlorinated paraffin, 5 parts of antimony trioxide, 2 parts of nano titanium dioxide and 3.5 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation of the above-described cable protective tube material is described in example 1.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 29.3MPa, the elongation at break is 334%, the tear strength is 37.0MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is as high as 62 percent, and the elasticity is good; the friction coefficient is as low as 0.42, and the wear resistance is good.
Example 5
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
19 parts of polybutadiene rubber, 28 parts of fluorosilicone rubber, 33 parts of polypropylene, 10 parts of polyurethane elastic fiber, 1.8 parts of expanded graphite, 10 parts of chlorinated paraffin, 5 parts of antimony trioxide, 2.5 parts of nano titanium dioxide and 4 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation of the above-described cable protective tube material is described in example 1.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 36.8MPa, the elongation at break is 315%, the tear strength is 37.2MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is as high as 62 percent, and the elasticity is good; the friction coefficient is as low as 0.38, and the wear resistance is good.
Example 6
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
20 parts of polybutadiene rubber, 30 parts of fluorosilicone rubber, 35 parts of polypropylene, 11 parts of polyurethane elastic fiber, 2 parts of expanded graphite, 10 parts of chlorinated paraffin, 7 parts of antimony trioxide, 3 parts of nano titanium dioxide and 5 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation of the above-described cable protective tube material is described in example 1.
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 28.4MPa, the elongation at break is 367%, the tear strength is 37.4MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is as high as 60 percent, and the elasticity is good; the friction coefficient is as low as 0.44, and the wear resistance is good.
Example 7
A high-elasticity cable protection pipe is prepared from the following raw materials in parts by weight:
15 parts of polybutadiene rubber, 23 parts of fluorosilicone rubber, 30 parts of polypropylene, 10 parts of polyurethane elastic fiber, 1.2 parts of expanded graphite, 9 parts of chlorinated paraffin, 4 parts of antimony trioxide, 2 parts of nano titanium dioxide and 2 parts of stearic acid.
The particle size of the nano titanium dioxide is 10-50 nm.
The preparation method of the cable protection tube material comprises the following steps:
(1) preparing various raw materials according to the parts by weight;
(2) adding the raw materials into a mixing roll for mixing to obtain a mixture;
(3) adding the mixture into a double-screw extruder for mixing, and extruding and molding through a die; mixing temperature
The temperature is 150 ℃ and 170 ℃, and the time is 20-30 min;
(4) cooling after shaping, and cutting into cable protection pipes;
(5) and (4) winding a boron fiber braided layer on the outer surface of the cable protection pipe obtained in the step (4).
And (3) performance test results: the tensile strength of the outer protective layer obtained in the embodiment is 33.6MPa, the elongation at break is 354%, the tearing strength is 38.9MPa, and the outer protective layer is high in strength and good in toughness; the rebound resilience is as high as 64 percent, and the elasticity is good; the friction coefficient is as low as 0.41, and the wear resistance is good.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A high-elasticity cable protection pipe is characterized by being prepared from the following raw materials in parts by weight:
10-20 parts of polybutadiene rubber, 20-30 parts of fluorosilicone rubber, 25-35 parts of polypropylene, 4-11 parts of polyurethane elastic fiber, 0.5-2 parts of expanded graphite, 5-10 parts of chlorinated paraffin, 2-7 parts of antimony trioxide, 1-3 parts of nano titanium dioxide and 1-5 parts of stearic acid.
2. The highly elastic cable protection tube according to claim 1, characterized by being made of the following raw materials in parts by weight:
15 parts of polybutadiene rubber, 25 parts of fluorosilicone rubber, 29 parts of polypropylene, 8 parts of polyurethane elastic fiber, 1 part of expanded graphite, 8 parts of chlorinated paraffin, 4 parts of antimony trioxide, 2 parts of nano titanium dioxide and 3 parts of stearic acid.
3. The highly elastic cable protection tube according to claim 1 or 2, wherein the nano titanium dioxide has a particle size of 10 to 50 nm.
4. A method for preparing a highly elastic cable protection tube according to any one of claims 1 to 3, comprising the steps of:
(1) preparing various raw materials according to the weight parts;
(2) adding the raw materials into a mixing roll for mixing to obtain a mixture;
(3) adding the mixture into a double-screw extruder for mixing, and extruding and molding through a die;
(4) and (5) cooling and cutting after shaping to obtain the product.
5. The method for preparing a highly elastic cable protection tube as claimed in claim 4, wherein the mixing temperature in step (2) is 150 ℃ and 170 ℃ for 20-30 min.
6. The method for preparing a highly elastic cable protection tube according to claim 4, wherein the outer surface of the cable protection tube obtained in the step (4) is wound with a braided layer of boron fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612630.6A CN112592537A (en) | 2020-12-30 | 2020-12-30 | High-elasticity cable protection pipe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113848120A (en) * | 2021-09-30 | 2021-12-28 | 浙江律通复合材料有限公司 | Composite material shrinkage rate test equipment |
| CN117384434A (en) * | 2023-12-13 | 2024-01-12 | 弘飞线缆集团股份公司 | High-elasticity super-wear-resistant cable sheath material and cable |
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| CN107573555A (en) * | 2017-11-01 | 2018-01-12 | 安徽美腾特种电缆材料有限公司 | A kind of high performance cable material |
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Application publication date: 20210402 |