CN112011133A - High-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material and preparation method thereof - Google Patents
High-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material and preparation method thereof Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 105
- 239000004709 Chlorinated polyethylene Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 38
- 229920002681 hypalon Polymers 0.000 claims abstract description 20
- 239000012796 inorganic flame retardant Substances 0.000 claims abstract description 17
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- 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 14
- 230000002195 synergetic effect Effects 0.000 claims abstract description 13
- 239000004014 plasticizer Substances 0.000 claims abstract description 11
- 229920001577 copolymer Polymers 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 35
- 239000006229 carbon black Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 20
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 15
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 14
- 229920000459 Nitrile rubber Polymers 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical group [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims description 11
- 229910001701 hydrotalcite Inorganic materials 0.000 claims description 11
- 229960001545 hydrotalcite Drugs 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 9
- 238000003490 calendering Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000010382 chemical cross-linking Methods 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000004902 Softening Agent Substances 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000012744 reinforcing agent Substances 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
- 239000000292 calcium oxide Substances 0.000 claims description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 230000000855 fungicidal effect Effects 0.000 claims description 2
- 239000000417 fungicide Substances 0.000 claims description 2
- 230000005484 gravity Effects 0.000 claims description 2
- 239000001095 magnesium carbonate Substances 0.000 claims description 2
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000002068 microbial inoculum Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 230000000813 microbial effect Effects 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 16
- 238000004132 cross linking Methods 0.000 description 12
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 8
- 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 8
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 239000012188 paraffin wax Substances 0.000 description 8
- -1 polyethylene Polymers 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 239000006087 Silane Coupling Agent Substances 0.000 description 7
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 239000001993 wax Substances 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000003801 milling Methods 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 238000004073 vulcanization Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- BKUSIKGSPSFQAC-RRKCRQDMSA-N 2'-deoxyinosine-5'-diphosphate Chemical compound O1[C@H](CO[P@@](O)(=O)OP(O)(O)=O)[C@@H](O)C[C@@H]1N1C(NC=NC2=O)=C2N=C1 BKUSIKGSPSFQAC-RRKCRQDMSA-N 0.000 description 4
- KVNRLNFWIYMESJ-UHFFFAOYSA-N butyronitrile Chemical compound CCCC#N KVNRLNFWIYMESJ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical compound CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- DCQBZYNUSLHVJC-UHFFFAOYSA-N 3-triethoxysilylpropane-1-thiol Chemical compound CCO[Si](OCC)(OCC)CCCS DCQBZYNUSLHVJC-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- YYQRGCZGSFRBAM-UHFFFAOYSA-N Triclofos Chemical compound OP(O)(=O)OCC(Cl)(Cl)Cl YYQRGCZGSFRBAM-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000006084 composite stabilizer Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229960001147 triclofos Drugs 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
- C08K2003/2213—Oxides; Hydroxides of metals of rare earth metal of cerium
-
- 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
- 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
- C08K2003/267—Magnesium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention relates to a high-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material and a preparation method thereof, wherein the high-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material comprises, by weight, 60-90 parts of a chlorinated polyethylene copolymer, 10-40 parts of chlorosulfonated polyethylene, 1-3 parts of a heat-resistant agent, 20-25 parts of an inorganic flame retardant, 5-8 parts of a synergistic flame retardant, 3-5 parts of a reactive plasticizer and 1-2 parts of a mildew-resistant microbial agent. The high-service-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material prepared by the invention has the advantages of excellent high heat-resistant service life, mold resistance, excellent salt-fog resistance, high rebound resilience, better flexibility, high tensile strength and high tearing strength, and has excellent ocean severe environment resistance.
Description
Technical Field
The invention relates to the technical field of rubber elastomer cable materials, in particular to a high-life high-elasticity salt-fog-resistant and mildew-resistant chemical crosslinking chlorinated polyethylene sheath material.
Background
As is well known, offshore wind power new energy power generation develops well as fiercely, but offshore wind turbine units are complex in application environment, severe in working conditions, low in living environment temperature, strong in ultraviolet irradiation, high in salt spray concentration, multiple in mold flora and the like. Particularly, the outer sheath of the cable for the fan needs to be exposed in a high-salt-mist damp mould environment for a long time, and frequently contacts with a cable buckle in the process of twisting the fan, so that the deformation is easily generated, the safe operation of the fan is affected, the fan generally needs to normally work for more than 25 years in the operation life due to special factors such as hoisting and laying in the fan industry, the service life of the cable also needs to be more than 25 years, and the development of the high-life high-elasticity salt-mist-resistant mould-resistant chemically crosslinked chlorinated polyethylene sheath material is imperative.
The cable material has three main crosslinking technologies: chemical crosslinking, silane crosslinking, and radiation crosslinking. The silane crosslinking production process is simple, but the process control of the crosslinking mode has certain instability; the irradiation crosslinking mode is only suitable for small-sized cables, and the thickness of the crosslinking layer is limited, so that the irradiation crosslinking mode is not suitable for large-section cable products. The chemical crosslinking mode material extrusion and crosslinking are carried out synchronously, the crosslinking is realized by adopting a high-temperature medium, the cross section of the cable and the thickness of the crosslinking layer are not limited, the application range is wide, and the crosslinking process is stable.
The currently used crosslinked chlorinated polyethylene sheath material generally has the problems of poor heat-resistant life, low toughness, unstable mechanical property, no mould resistance, poor rebound resilience and the like, and is difficult to better meet the actual situation of severe offshore wind power operation environment.
Patent numbers: CN201410072301.5 patent name: a high-performance aging-resistant cable sheath material is disclosed, and comprises the following raw materials in parts by weight: 135-40 parts of chlorinated polyethylene 135B30, 15-20 parts of chlorosulfonated polyethylene, 1.5-3 parts of magnesium oxide, 4-6 parts of dioctyl phthalate, 5-8 parts of chlorinated paraffin, 20-30 parts of white carbon black, 0.5-1 part of rare earth stabilizer, 0.3-0.6 part of lead salt composite stabilizer, 2-5 parts of antimony trioxide, 8-12 parts of zinc borate, 2-4 parts of trichloroethyl phosphate, 12-12 parts of carbon black N7708, 15-20 parts of calcium carbonate, 0.7-0.9 part of gamma-mercaptopropyl triethoxysilane as a surfactant, 0.5-1.3 parts of dicumyl peroxide as a vulcanizing agent and 0.5-1 part of triallyl isocyanurate as an auxiliary vulcanizing agent. According to the invention, the high-performance anti-aging cable sheath material has excellent heat-resistant and flame-retardant effects, good ozone resistance and oil resistance, excellent physical and mechanical properties and long service life, but is lack of a reactive plasticizer, an inorganic flame retardant and a mildew-resistant agent, so that the actual use effect of the product is not ideal, and the actual situation that the offshore wind power operation environment is severe is difficult to satisfy.
Disclosure of Invention
The invention aims to provide a high-service-life high-elasticity salt-fog-resistant and mould-resistant chemically-crosslinked chlorinated polyethylene sheath material aiming at the defects in the prior art, which can improve the heat-resisting service life, the tearing resistance and the mechanical property of the material, and has excellent salt-fog-resistant and mould-resistant properties and good rebound resilience. The invention also aims to provide a preparation method of the high-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material.
The technical purpose of the invention is realized by the following technical scheme: a high-life high-elasticity salt-fog-resistant mildew-resistant chemical crosslinking chlorinated polyethylene sheath material comprises the following components in parts by weight: 60-90 parts of chlorinated polyethylene copolymer, 10-40 parts of chlorosulfonated polyethylene, 1-3 parts of heat-resistant agent, 20-25 parts of inorganic flame retardant, 5-8 parts of synergistic flame retardant, 3-5 parts of reactive plasticizer and 1-2 parts of mildew-resistant fungicide.
The high-life high-elasticity salt-fog-resistant and mildew-resistant chemically crosslinked chlorinated polyethylene sheath material is characterized in that the weight ratio of the rest components is as follows: 1-3 parts of an anti-aging agent, 14-18 parts of a reinforcing agent, 6-9 parts of a softening agent, 0.5-1 part of a coupling agent, 50-80 parts of a filler, 3-5 parts of a low-temperature plasticizer, 2-5 parts of a cross-linking agent, 2-5 parts of an auxiliary cross-linking agent and 1-3 parts of a toner.
The chlorinated polyethylene has the chlorine content of 34-37% and the melt index of 0.1-2 g/10 min; the chlorosulfonated polyethylene has a chlorine content of 35-38%, a sulfur content of 1-2%, and a Mooney viscosity value ML1+4(100 ℃) of 90-120.
The flame retardant comprises a natural mineral substance containing magnesium carbonate and hydromagnesite, wherein the natural mineral substance contains 36-39% of magnesium oxide, 5-8% of calcium oxide, 0.2-1% of silicon dioxide and 2.5g/cm of specific gravity3The specific surface area is 10 to 18m2(iv) per gram, loss on ignition at 1000 ℃ of 50-53%; the synergistic flame retardant is hydrotalcite with the particle size of 400-600 meshes, the PH value of 8-9 and the specific surface of 13-15m2/g。
The reactive plasticizer is liquid nitrile rubber, the data molecular weight is 1000-2000, the viscosity is 15-50 pa.s, and the content of acrylonitrile is 25-30%.
The heat-resistant agent is superfine cerium oxide, the particle size of the product is 0.8-1.0 mu m, and the content of the cerium oxide is 99.0-99.9%.
The mildew-resistant microbial inoculum is APT-5DIDP, the gana chroma is 1-2, the viscosity is 95-105 pa.s, and the refractive index is 1.4-1.5.
The sheath material is prepared by mixing the components according to a formula and then carrying out banburying, thin passing and rolling; firstly, adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer, mixing for 2-4 min, then adding an anti-aging agent, a softening agent and a heat-resistant agent according to corresponding weight, mixing for 2-3 min, then adding an inorganic flame retardant, a synergistic flame retardant, a coupling agent, a plasticizer, a reinforcing agent, a filler and a mould-resistant agent, mixing for 6-8 min, discharging materials in the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through an open mill for 1-2 times, calendering by a three-roll calender without strip cutting, feeding the cooled materials into the internal mixer, adding a vulcanizing agent and carbon black, mixing for about 0.5-1 min, thinly passing the discharged materials through the open mill for 1-2 times, calendering by the three-roll calender to strip cut, and cooling the output rubber sheets by a cooling roll to obtain the material.
After the sheath material is molded, the sheath material needs to be vulcanized at 15min multiplied by 175 ℃ multiplied by 15MPa to obtain the design performance.
The invention has the beneficial effects that: the sheath material has excellent characteristics which are not possessed by conventional materials, and the crosslinked chlorinated polyethylene sheath material disclosed by the invention enables polymer molecules to form a net structure through a chemical method, so that the heat-resistant life, the tearing resistance and the mechanical property of the material are improved, the salt spray resistance and the mildew resistance are excellent, and the rebound resilience is good.
Detailed Description
Compared with the traditional chlorinated polyethylene sheath material, the chlorinated polyethylene sheath material is concentrated in the severe environment resistance of the sheath material, the addition of the mildew-resistant agent enables the sheath material to have excellent mildew resistance, the addition of the chlorosulfonated polyethylene enables the sheath material to have excellent salt mist resistance and high tearing resistance, the addition of the reactive plasticizer enables the sheath material to have excellent high elasticity, and the addition of the heat-resistant agent enables the sheath material to have excellent heat-resistant life. Tests prove that the mildew resistance of the sheath material can pass the test of GJB150, and the performance is 0 grade. The resilience is between 90 and 98. The tensile strength and the elongation at break of the material after the salt spray test (336h) are basically unchanged. The tearing strength of the sheathing material is more than 7.5N/mm. The heat resistance life (90 ℃) is more than 25 years.
The preparation process of the long-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material is characterized by comprising the steps of banburying, thin passing, rolling and the like; the specific operation is as follows:
firstly, accurately weighing the materials according to the formula components.
Mixing and molding the components by an internal mixer, wherein the charging and internal mixing sequence and time are as follows: adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer, mixing for 2-4 min, adding RD, low-molecular polyethylene wax, semi-refined paraffin and an ultrafine cerium oxide material, mixing for 2-3 min, adding a natural inorganic flame retardant, hydrotalcite, a silane coupling agent A-172, dioctyl sebacate, liquid nitrile rubber, white carbon black, ultrafine calcium carbonate and a mould inhibitor APT-5DIDP material, mixing for 6-8 min, discharging the materials in the internal mixer when the mixing temperature reaches 110-120 ℃, passing the mixed materials through a milling machine for 1-2 times, and calendering by a three-roll calender without strip cutting to obtain sheets.
Thirdly, putting the cooled rubber material into an internal mixer, adding vulcanizing agents of dicumyl peroxide, triallyl isocyanurate and N330 carbon black, mixing for about 0.5-1 min, discharging, and rolling and cutting into rubber strips with the thickness of 2-3 mm and proper width by adopting rolling pages or other equipment.
And fourthly, the adhesive tape is packaged in a moisture-proof and dust-proof way, so that pollution caused during storage and transportation is prevented.
The present invention is described in further detail below with reference to specific examples, but it should not be construed that the present invention is limited to the examples.
Example 1, the material composition formula was:
chlorinated polyethylene is an Weifang Tianrui product, and the brand: 135B; chlorosulfonated polyethylene is a product of dupont, usa under the designation: 4085 the inorganic flame retardant is a product of Swedish power mining company, and the brand number is: UltraCarb 1251; the synergistic flame retardant hydrotalcite is a product of Jingjiang city Congtate new material science and technology Limited company, and is of a brand: FM300, the liquid nitrile rubber is a product of Lanzhou petrochemical company, and the brand number is as follows: butyronitrile liquid-26; the mold-resistant agent APT-5DIDP is manufactured by Trojan chemical company of America and is provided with the brand number of 5 DIDP. The superfine cerium oxide is made by Suzhou Zhengde rare earth materials Co., Ltd, and the mark is: ZD 9902. The toner is N330 carbon black.
The preparation method comprises the following steps:
accurately weighing the components of the formula according to the weight of the formula, firstly adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer to mix for 2-4 min, then adding an anti-aging agent RD, low-molecular polyethylene wax, semi-refined paraffin and an ultrafine cerium oxide material according to the corresponding weight, mixing for 2-3 min, finally adding a natural inorganic flame retardant, hydrotalcite, a silane coupling agent A-172, dioctyl sebacate, liquid nitrile rubber, white carbon black, ultrafine calcium carbonate and an anti-mildew agent APT-5DIDP material, mixing for 6-8 min, discharging the materials by the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through a milling machine for 1-2 times, calendering by a three-roll calender, and discharging sheets without strip cutting. And (3) putting the cooled rubber material into an internal mixer, adding vulcanizing agents of dicumyl peroxide, triallyl isocyanurate and N330 carbon black, mixing for about 0.5-1 min, discharging, passing through an open mill for 1-2 times, rolling by a three-roll calender, stripping, and discharging, and cooling the discharged rubber sheet by a cooling roll to obtain the sheath material.
The processed sheath material is pressed into a test piece under the vulcanization condition of 15min multiplied by 175 ℃ multiplied by 15MPa, and the performance test is as follows:
example 2, the material composition formula was:
| material | Mass fraction |
| Chlorinated poly(s)Ethylene | 70 |
| Chlorosulfonated polyethylene | 30 |
| Antiager RD | 1.5 |
| Ultra-fine cerium oxide | 1.0 |
| Low-molecular polyethylene wax | 4.0 |
| Silane coupling agent A-172 | 0.8 |
| Inorganic flame retardant | 20 |
| Synergistic flame retardants | 8 |
| Semi-refined paraffin | 5.0 |
| Dioctyl sebacate | 4.0 |
| Liquid nitrile rubber | 3.5 |
| Superfine calcium carbonate | 50 |
| White carbon black | 17 |
| Triallylisocyanurate | 2.4 |
| Mould inhibitor APT-5DIDP | 1.5 |
| Dicumyl peroxide | 2.6 |
| Toner powder | 2.5 |
Chlorinated polyethylene is an Weifang Tianrui product, and the brand: 135B; chlorosulfonated polyethylene is a product of dupont, usa under the designation: 4085 the inorganic flame retardant is a product of Swedish power mining company, and the brand number is: UltraCarb 1251; the synergistic flame retardant hydrotalcite is a product of Jingjiang city Congtate new material science and technology Limited company, and is of a brand: FM300, the liquid nitrile rubber is a product of Lanzhou petrochemical company, and the brand number is as follows: butyronitrile liquid-26; the mold-resistant agent APT-5DIDP is manufactured by Trojan chemical company of America and is provided with the brand number of 5 DIDP. The superfine cerium oxide is made by Suzhou Zhengde rare earth materials Co., Ltd, and the mark is: ZD 9902. The toner is N330 carbon black.
The preparation method comprises the following steps:
accurately weighing the components of the formula according to the weight of the formula, firstly adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer to mix for 2-4 min, then adding an anti-aging agent RD, low-molecular polyethylene wax, semi-refined paraffin and an ultrafine cerium oxide material according to the corresponding weight, mixing for 2-3 min, finally adding a natural inorganic flame retardant, hydrotalcite, a silane coupling agent A-172, dioctyl sebacate, liquid nitrile rubber, white carbon black, ultrafine calcium carbonate and an anti-mildew agent APT-5DIDP material, mixing for 6-8 min, discharging the materials by the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through a milling machine for 1-2 times, calendering by a three-roll calender, and discharging sheets without strip cutting. And (3) putting the cooled rubber material into an internal mixer, adding vulcanizing agents of dicumyl peroxide, triallyl isocyanurate and N330 carbon black, mixing for about 0.5-1 min, discharging, passing through an open mill for 1-2 times, rolling by a three-roll calender, stripping, and discharging, and cooling the discharged rubber sheet by a cooling roll to obtain the sheath material.
The processed sheath material is pressed into a test piece under the vulcanization condition of 15min multiplied by 175 ℃ multiplied by 15MPa, and the performance test is as follows:
example 3, the material component formulation was:
| material | Mass fraction |
| Chlorinated polyethylene | 80 |
| Chlorosulfonated polyethylene | 20 |
| Antiager RD | 2.0 |
| Ultra-fine cerium oxide | 2.0 |
| Low-molecular polyethylene wax | 6.5 |
| Silane coupling agent A-172 | 1.0 |
| Inorganic flame retardant | 25 |
| Synergistic flame retardants | 6 |
| Semi-refined paraffin | 1.0 |
| Dioctyl sebacate | 4.0 |
| Liquid nitrile rubber | 4.0 |
| Superfine calcium carbonate | 50 |
| White carbon black | 17 |
| Triallylisocyanurate | 2.5 |
| Mould inhibitor APT-5DIDP | 1.0 |
| Dicumyl peroxide | 3.0 |
| Toner powder | 2.5 |
Chlorinated polyethylene is an Weifang Tianrui product, and the brand: 135B; chlorosulfonated polyethylene is a product of dupont, usa under the designation: 4085 the inorganic flame retardant is a product of Swedish power mining company, and the brand number is: UltraCarb 1251; the synergistic flame retardant hydrotalcite is a product of Jingjiang city Congtate new material science and technology Limited company, and is of a brand: FM300, the liquid nitrile rubber is a product of Lanzhou petrochemical company, and the brand number is as follows: butyronitrile liquid-26; the mold-resistant agent APT-5DIDP is manufactured by Trojan chemical company of America and is provided with the brand number of 5 DIDP. The superfine cerium oxide is made by Suzhou Zhengde rare earth materials Co., Ltd, and the mark is: ZD 9902. The toner is N330 carbon black.
The preparation method comprises the following steps:
accurately weighing the components of the formula according to the weight of the formula, firstly adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer to mix for 2-4 min, then adding an anti-aging agent RD, low-molecular polyethylene wax, semi-refined paraffin and an ultrafine cerium oxide material according to the corresponding weight, mixing for 2-3 min, finally adding a natural inorganic flame retardant, hydrotalcite, a silane coupling agent A-172, dioctyl sebacate, liquid nitrile rubber, white carbon black, ultrafine calcium carbonate and an anti-mildew agent APT-5DIDP material, mixing for 6-8 min, discharging the materials by the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through a milling machine for 1-2 times, calendering by a three-roll calender, and discharging sheets without strip cutting. And (3) putting the cooled rubber material into an internal mixer, adding vulcanizing agents of dicumyl peroxide, triallyl isocyanurate and N330 carbon black, mixing for about 0.5-1 min, discharging, passing through an open mill for 1-2 times, rolling by a three-roll calender, stripping, and discharging, and cooling the discharged rubber sheet by a cooling roll to obtain the sheath material.
The processed sheath material is pressed into a test piece under the vulcanization condition of 15min multiplied by 175 ℃ multiplied by 15MPa, and the performance test is as follows:
example 4, the material composition formula was:
chlorinated polyethylene is an Weifang Tianrui product, and the brand: 135B; chlorosulfonated polyethylene is a product of dupont, usa under the designation: 4085 the inorganic flame retardant is a product of Swedish power mining company, and the brand number is: UltraCarb 1251; the synergistic flame retardant hydrotalcite is a product of Jingjiang city Congtate new material science and technology Limited company, and is of a brand: FM300, the liquid nitrile rubber is a product of Lanzhou petrochemical company, and the brand number is as follows: butyronitrile liquid-26; the mold-resistant agent APT-5DIDP is manufactured by Trojan chemical company of America and is provided with the brand number of 5 DIDP. The superfine cerium oxide is made by Suzhou Zhengde rare earth materials Co., Ltd, and the mark is: ZD 9902. The toner is N330 carbon black.
The preparation method comprises the following steps:
accurately weighing the components of the formula according to the weight of the formula, firstly adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer to mix for 2-4 min, then adding an anti-aging agent RD, low-molecular polyethylene wax, semi-refined paraffin and an ultrafine cerium oxide material according to the corresponding weight, mixing for 2-3 min, finally adding a natural inorganic flame retardant, hydrotalcite, a silane coupling agent A-172, dioctyl sebacate, liquid nitrile rubber, white carbon black, ultrafine calcium carbonate and an anti-mildew agent APT-5DIDP material, mixing for 6-8 min, discharging the materials by the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through a milling machine for 1-2 times, calendering by a three-roll calender, and discharging sheets without strip cutting. And (3) putting the cooled rubber material into an internal mixer, adding vulcanizing agents of dicumyl peroxide, triallyl isocyanurate and N330 carbon black, mixing for about 0.5-1 min, discharging, passing through an open mill for 1-2 times, rolling by a three-roll calender, stripping, and discharging, and cooling the discharged rubber sheet by a cooling roll to obtain the sheath material.
The processed sheath material is pressed into a test piece under the vulcanization condition of 15min multiplied by 175 ℃ multiplied by 15MPa, and the performance test is as follows:
the invention has the technical effects that:
the twisting-resistant power cable with the ethylene propylene rubber insulating chlorinated polyethylene sheath produced by the sheath material in the invention has the specification of 1 x 240mm2The product structure is copper conductor/ethylene propylene rubber insulating layer/chlorinated polyethylene sheath layer. The sheath material is extruded and molded by an extruder with the length-diameter ratio L/D of 16, and the temperature setting screw, the machine body 1, the machine body 2, the machine head 1, the machine head 2 and the machine head 3 are respectively 80 ℃, 82 ℃, 83 ℃, 85 ℃ and 85 ℃; the vulcanization temperature is 179 ℃, the linear speed is 6m/min, and the length of the heating segment is 101 m. The performance of the cables trial-produced by the invention is tested as follows:
the high-life high-elasticity salt-fog-resistant mildew-resistant chemically-crosslinked chlorinated polyethylene sheath material produced by the invention. The high-strength high-tenacity polyethylene glycol modified polypropylene has the characteristics of long heat-resistant life, excellent tearing resistance, good mechanical property, excellent salt spray resistance and mould resistance, good rebound resilience and the like. The method meets the application requirements of places with severe operating environment, high torsion-resistant times and high requirements on safe operation stability of offshore wind power generation.
The present invention is not limited to the above-described embodiments, and the present invention can be implemented as described in the present disclosure, and has the above-described advantageous effects.
Claims (9)
1. A high-life high-elasticity salt-fog-resistant mildew-resistant chemical crosslinking chlorinated polyethylene sheath material comprises the following components in parts by weight: 60-90 parts of chlorinated polyethylene copolymer, 10-40 parts of chlorosulfonated polyethylene, 1-3 parts of heat-resistant agent, 20-25 parts of inorganic flame retardant, 5-8 parts of synergistic flame retardant, 3-5 parts of reactive plasticizer and 1-2 parts of mildew-resistant fungicide.
2. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1, wherein the weight ratio of the rest components is: 1-3 parts of an anti-aging agent, 14-18 parts of a reinforcing agent, 6-9 parts of a softening agent, 0.5-1 part of a coupling agent, 50-80 parts of a filler, 3-5 parts of a low-temperature plasticizer, 2-5 parts of a cross-linking agent, 2-5 parts of an auxiliary cross-linking agent and 1-3 parts of a toner.
3. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1 or 2, wherein: the content of chlorine element in the chlorinated polyethylene is 34-37%, and the melt index is 0.1-2 g/10 min; the chlorosulfonated polyethylene has a chlorine content of 35-38%, a sulfur content of 1-2%, and a Mooney viscosity value ML1+4(100 ℃) of 90-120.
4. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1 or 2, wherein: the flame retardant comprises a natural mineral substance containing magnesium carbonate and hydromagnesite, wherein the natural mineral substance contains 36-39% of magnesium oxide, 5-8% of calcium oxide, 0.2-1% of silicon dioxide and 2.5g/cm of specific gravity3The specific surface area is 10 to 18m2(iv) per gram, loss on ignition at 1000 ℃ of 50-53%; the synergistic flame retardant is hydrotalcite with the particle size of 400-600 meshes, the PH value of 8-9 and the specific surface of 13-15m2/g。
5. The method for preparing a high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheathing material as claimed in claim 1 or 2, wherein: the reactive plasticizer is liquid nitrile rubber, the data molecular weight is 1000-2000, the viscosity is 15-50 pa.s, and the content of acrylonitrile is 25-30%.
6. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1 or 2, wherein: the heat-resistant agent is superfine cerium oxide, the particle size of the product is 0.8-1.0 mu m, and the content of the cerium oxide is 99.0-99.9%.
7. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1 or 2, wherein: the mildew-resistant microbial inoculum is APT-5DIDP, the color of the gana is 1-2, the viscosity is 95-105pa · s, and the refractive index is 1.4-1.5.
8. A method for preparing the high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material as claimed in claim 1, wherein the method comprises the following steps: the sheath material is prepared by mixing the components according to a formula and then carrying out banburying, thin passing and rolling; firstly, adding chlorinated polyethylene and chlorosulfonated polyethylene into an internal mixer, mixing for 2-4 min, then adding an anti-aging agent, a softening agent and a heat-resistant agent according to corresponding weight, mixing for 2-3 min, then adding an inorganic flame retardant, a synergistic flame retardant, a coupling agent, a plasticizer, a reinforcing agent, a filler and a mould-resistant agent, mixing for 6-8 min, discharging materials in the internal mixer when the mixing temperature reaches 110-120 ℃, thinly passing the mixed materials through an open mill for 1-2 times, calendering by a three-roll calender without strip cutting, feeding the cooled materials into the internal mixer, adding a vulcanizing agent and carbon black, mixing for about 0.5-1 min, thinly passing the discharged materials through the open mill for 1-2 times, calendering by the three-roll calender to strip cut, and cooling the output rubber sheets by a cooling roll to obtain the material.
9. The high-life high-elasticity salt-fog-resistant and mold-resistant chemically crosslinked chlorinated polyethylene sheath material and the preparation method thereof according to claim 8, are characterized in that: after the sheath material is molded, the sheath material needs to be vulcanized for 15min multiplied by 175 ℃ multiplied by 15MPa to obtain the design performance.
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| CN112799190A (en) * | 2021-01-26 | 2021-05-14 | 江苏通鼎光电科技有限公司 | Flame-retardant fireproof communication optical cable and preparation method thereof |
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