CN105542301A - Cable insulation layer material with excellent thermal stability and preparation method thereof - Google Patents
Cable insulation layer material with excellent thermal stability and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
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- C08L23/12—Polypropene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
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- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
- C08F255/023—On to modified polymers, e.g. chlorinated polymers
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- 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
- C08L23/14—Copolymers of propene
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- 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
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- C08L2203/00—Applications
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- C08L2205/00—Polymer mixtures characterised by other features
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- 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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- 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
- C08L2205/04—Polymer mixtures characterised by other features containing interpenetrating networks
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Abstract
The invention discloses a cable insulation layer material with excellent thermal stability. The material is prepared from, by weight, modified polypropylene, a propylene-ethylene copolymer, an ethylene-vinyl acetate copolymer, low density polyethylene, vinyl tri(beta-methoxyethoxy) silane, isocyanatepropyltriethoxy silane, caprolactam, acrylic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, 1,4-bistert-butyl peroxy isopropylbenzene, alkylated diphenylamine, dodecylbenzene sulfonic acid, methanesulfonic acid acetyl, tetrapropyl benzenesulfonyl, 2-mercapto benzimidazole zinc salt, para, para'-biscumenyl diphenylamine, microcrystalline wax, stearic acid, paraffin oil, N-salicyloyl aminophthalimide, 1,2-bis[beta-(3,5-bistert-butyl-4-hydroxyphenyl) propionyl] hydrazine, calcined clay, antimony oxide, cerium dioxide, nanoscale zinc oxide, a fire retardant, a plasticizer, an anti-ultraviolet absorber and a viscosity control agent. The invention also discloses a preparation method of the cable insulation layer material with excellent thermal stability.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of cable insulation layer material with superior heat-stability and preparation method thereof.
Background technology
Along with the develop rapidly of China's economy, the Highrise buildings, subway, Nuclear power plants, shipbuilding, optoelectronic communication etc. of China develop at a speed unheard of before especially, high-quality CABLE MATERIALS is subject to increasing favor, and the consumption of cable insulation layer material also increases rapidly thereupon.High-quality cable insulation layer material not only good weatherability, long service life, and safety and environmental protection, and outdoor at some, especially some temperature-differences are comparatively large and with the place by external impacts, how to ensure that cable thermostability and mechanical property continue unaffectedly to become very important.
Summary of the invention
The present invention proposes a kind of cable insulation layer material with superior heat-stability and preparation method thereof, Heat stability is good, excellent in mechanical performance, and preparation method is simple.
A kind of cable insulation layer material with superior heat-stability that the present invention proposes, its raw material comprises by weight: modified polypropene 20-40 part, propylene-ethylene copolymers 20-40 part, ethylene-vinyl acetate copolymer 5-15 part, Low Density Polyethylene 15-25 part, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2 part, isocyanatopropyl triethoxyl silane 1-3 part, hexanolactam 5-10 part, vinylformic acid 5-10 part, methacrylic acid 3-8 part, maleic anhydride 10-15 part, magnesium oxide 1-3 part, aluminum oxide 1-2 part, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.5-1.2 part, alkylated diphenylamine 1-2 part, Witco 1298 Soft Acid 1-3 part, methylsulphonic acid acetyl 1-2 part, tetrapropyl benzene sulfonyl 0.5-1.2 part, zinc salt of 2 mercaptobenzimidazole 1-2 part, right, right '-diisopropylbenzyl pentanoic 1-2 part, microcrystalline wax 1-2 part, stearic acid 1-3 part, paraffin oil 0.5-1 part, N-salicylyl amino phthalimide 2-5 part, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1-2 part, calcinated argil 30-40 part, stibium trioxide 5-15 part, cerium dioxide 10-18 part, Nano-class zinc oxide 15-24 part, fire retardant 1-2 part, softening agent 1-2 part, ultraviolet absorber 1-2 part, viscosity control agent 1-2 part.
Preferably, in propylene-ethylene copolymers, the molar content of ethene is 20-30%, and in ethylene-vinyl acetate copolymer, the molar content of vinyl acetate between to for plastic is 11-17%.
Preferably, modified polypropene adopts following technique to prepare: send in reactor by 20-40 part bamboo chip by weight, add 20-50 part formic acid successively, 10-30 part hydrogen peroxide stirs, leave standstill 2-4 days, be warming up to 80-90 DEG C and stir 10-16min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out, by throw out deionized water wash 2-4 time, add the sodium hydroxide stirring 20-40min that 20-40 part concentration is 0.2-0.6mol/L, whipping temp is 50-70 DEG C, continue to add the formaldehyde solution stirring 1-2h that 5-10 part concentration is 30-34wt%, pour in 50-70 part deionized water, adding hydrochloric acid while stirring to pH at 100-115 DEG C is 2.5-3, filter, get solids deionized water wash 2-3 time, add 30-50 part polypropylene to mix with 1-2 part softening agent, send in twin screw extruder and melt extrude, extruded velocity is 60-70r/min, cooling, granulation obtains modified polypropene.
Preferably, in the preparation technology of modified polypropene, by weight 34-36 part bamboo chip is sent in reactor, add 40-45 part formic acid successively, 20-24 part hydrogen peroxide stirs, leave standstill 2-4 days, be warming up to 84-86 DEG C and stir 14-15min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out.
Preferably, in the preparation technology of modified polypropene, by throw out deionized water wash 2-4 time, add the sodium hydroxide stirring 30-34min that 30-34 part concentration is 0.3-0.5mol/L, whipping temp is 60-64 DEG C, continue to add the formaldehyde solution stirring 1-2h that 6-8 part concentration is 31-33t%, pour in 60-64 part deionized water, adding hydrochloric acid while stirring to pH at 110-113 DEG C is 2.5-3, filter, get solids deionized water wash 2-3 time, add 40-48 part polypropylene and mix with 1.2-1.6 part softening agent.
Preferably, the weight ratio of modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer and Low Density Polyethylene is 30-36:30-37:10-13:20-23.
Preferably, the weight ratio of vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane and hexanolactam is 1.4-1.8:1.4-1.9:6-8.
Preferably, the described raw material with the cable insulation layer material of superior heat-stability comprises by weight: modified polypropene 30-36 part, propylene-ethylene copolymers 30-37 part, ethylene-vinyl acetate copolymer 10-13 part, Low Density Polyethylene 20-23 part, vinyl three ('beta '-methoxy oxyethyl group) silane 1.4-1.8 part, isocyanatopropyl triethoxyl silane 1.4-1.9 part, hexanolactam 6-8 part, vinylformic acid 7-9 part, methacrylic acid 5-6 part, maleic anhydride 11-13 part, magnesium oxide 2-2.6 part, aluminum oxide 1.4-1.9 part, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.8-1 part, alkylated diphenylamine 1.5-1.8 part, Witco 1298 Soft Acid 2-2.6 part, methylsulphonic acid acetyl 1.2-1.5 part, tetrapropyl benzene sulfonyl 0.6-0.8 part, zinc salt of 2 mercaptobenzimidazole 1.4-1.7 part, right, right '-diisopropylbenzyl pentanoic 1.5-1.9 part, microcrystalline wax 1.2-1.6 part, stearic acid 2-2.4 part, paraffin oil 0.6-0.8 part, N-salicylyl amino phthalimide 2-2.4 part, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1.2-1.8 part, calcinated argil 34-36 part, stibium trioxide 10-12 part, cerium dioxide 12-16 part, Nano-class zinc oxide 20-22 part, fire retardant 1.4-1.6 part, softening agent 1.5-1.9 part, ultraviolet absorber 1.4-1.9 part, viscosity control agent 1.5-1.8 part,
Preferably, the described cable insulation layer material with superior heat-stability adopts following technique to prepare:
First by modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer, Low Density Polyethylene, isocyanatopropyl triethoxyl silane, hexanolactam, calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, fire retardant, softening agent, ultraviolet absorber, viscosity control agent adds in Banbury mixer mixing, melting temperature is 100-120 DEG C, mixing time is 2-5min, add microcrystalline wax, stearic acid, paraffin oil, vinyl three ('beta '-methoxy oxyethyl group) silane, vinylformic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic, the amino phthalimide of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] the mixing 1-2min of hydrazine, temperature is increased to 125-135 DEG C of binder removal, the material obtained is deposited 1-3 days in room temperature, send in Banbury mixer and mix 3-5min, mixing temperature is 92-98 DEG C, add 1, 4-dual-tert-butyl peroxy isopropyl base benzene, alkylated diphenylamine, Witco 1298 Soft Acid, methylsulphonic acid acetyl, the mixing 55-80s binder removal of tetrapropyl benzene sulfonyl, obtain the cable insulation layer material with superior heat-stability.
In the present invention, adopt modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer and Low Density Polyethylene are as base material, add vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane and hexanolactam, improve two consistencies, Mechanical Properties of Products is very excellent, adopt modified polypropene prepared by certain technique, mechanical property is good, flexural strength and elongation at break and very excellent, with propylene-ethylene copolymers, bonding force and the consistency of ethylene-vinyl acetate copolymer and Low Density Polyethylene are fabulous, and the network-like structure formed each other makes goods thermostability and mechanical property very excellent, vinylformic acid, methacrylic acid and maleic anhydride are as polar monomer in addition, with magnesium oxide, aluminum oxide effect, unsaturated salt can be generated, can be polymerized under the effect of 1,4 bis tert butyl peroxy isopropyl benzene, alkylated diphenylamine, the material obtained can with base material part grafting, between progress materials, consistency is good, thermal stability is good, excellent in mechanical performance, and can effectively avoid water to set the generation of phenomenon, microcrystalline wax, stearic acid and paraffin oil synergy can contribute to the good distribution of calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, and add appropriate vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane, filling properties is good, extrude good processability, storeroom can form stable combination, Mechanical Properties of Products and thermally-stabilisedly to strengthen further.
Embodiment
Embodiment 1
A kind of cable insulation layer material with superior heat-stability, its raw material comprises by weight: modified polypropene 20 parts, propylene-ethylene copolymers 40 parts, ethylene-vinyl acetate copolymer 5 parts, Low Density Polyethylene 25 parts, 1 part, vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane 3 parts, hexanolactam 5 parts, 10 parts, vinylformic acid, methacrylic acid 3 parts, maleic anhydride 15 parts, 1 part, magnesium oxide, 2 parts, aluminum oxide, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.5 part, alkylated diphenylamine 2 parts, Witco 1298 Soft Acid 1 part, 2 parts, methylsulphonic acid acetyl, tetrapropyl benzene sulfonyl 0.5 part, zinc salt of 2 mercaptobenzimidazole 2 parts, right, right '-diisopropylbenzyl pentanoic 1 part, microcrystalline wax 2 parts, stearic acid 1 part, paraffin oil 1 part, the amino phthalimide 2 parts of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 2 parts, calcinated argil 30 parts, stibium trioxide 15 parts, cerium dioxide 10 parts, Nano-class zinc oxide 24 parts, fire retardant 1 part, 2 parts, softening agent, ultraviolet absorber 1 part, viscosity control agent 2 parts.
Embodiment 2
A kind of cable insulation layer material with superior heat-stability, its raw material comprises by weight: modified polypropene 40 parts, propylene-ethylene copolymers 20 parts, ethylene-vinyl acetate copolymer 15 parts, Low Density Polyethylene 15 parts, 2 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane 1 part, hexanolactam 10 parts, 5 parts, vinylformic acid, methacrylic acid 8 parts, maleic anhydride 10 parts, 3 parts, magnesium oxide, 1 part, aluminum oxide, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 1.2 parts, alkylated diphenylamine 1 part, Witco 1298 Soft Acid 3 parts, 1 part, methylsulphonic acid acetyl, tetrapropyl benzene sulfonyl 1.2 parts, zinc salt of 2 mercaptobenzimidazole 1 part, right, right '-diisopropylbenzyl pentanoic 2 parts, microcrystalline wax 1 part, stearic acid 3 parts, paraffin oil 0.5 part, the amino phthalimide 5 parts of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1 part, calcinated argil 40 parts, stibium trioxide 5 parts, cerium dioxide 18 parts, Nano-class zinc oxide 15 parts, fire retardant 2 parts, 1 part, softening agent, ultraviolet absorber 2 parts, viscosity control agent 1 part.
Embodiment 3
A kind of cable insulation layer material with superior heat-stability, its raw material comprises by weight: modified polypropene 36 parts, propylene-ethylene copolymers 30 parts, ethylene-vinyl acetate copolymer 13 parts, Low Density Polyethylene 20 parts, 1.8 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane 1.4 parts, hexanolactam 8 parts, 7 parts, vinylformic acid, methacrylic acid 6 parts, maleic anhydride 11 parts, 2.6 parts, magnesium oxide, 1.4 parts, aluminum oxide, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 1 part, alkylated diphenylamine 1.5 parts, Witco 1298 Soft Acid 2.6 parts, 1.2 parts, methylsulphonic acid acetyl, tetrapropyl benzene sulfonyl 0.8 part, zinc salt of 2 mercaptobenzimidazole 1.4 parts, right, right '-diisopropylbenzyl pentanoic 1.9 parts, microcrystalline wax 1.2 parts, stearic acid 2.4 parts, paraffin oil 0.6 part, the amino phthalimide 2.4 parts of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1.2 parts, calcinated argil 36 parts, stibium trioxide 10 parts, cerium dioxide 16 parts, Nano-class zinc oxide 20 parts, fire retardant 1.6 parts, 1.5 parts, softening agent, ultraviolet absorber 1.9 parts, viscosity control agent 1.5 parts.
In propylene-ethylene copolymers, the molar content of ethene is 30%, in ethylene-vinyl acetate copolymer, and the molar content of vinyl acetate between to for plastic is 11%.
Modified polypropene adopts following technique to prepare: send in reactor by 40 parts of bamboo chips by weight, add 20 parts of formic acid successively, 30 parts of hydrogen peroxide stir, leave standstill 2 days, be warming up to 90 DEG C and stir 10min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out, by throw out deionized water wash 4 times, add the sodium hydroxide stirring 20min that 20 parts of concentration are 0.6mol/L, whipping temp is 70 DEG C, continue to add the formaldehyde solution stirring 1h that 5 parts of concentration are 34wt%, pour in 70 parts of deionized waters, adding hydrochloric acid while stirring to pH at 100 DEG C is 3, filter, get solids deionized water wash 2 times, add 50 parts of polypropylene to mix with 1 part of softening agent, send in twin screw extruder and melt extrude, extruded velocity is 70r/min, cooling, granulation obtains modified polypropene.
The described cable insulation layer material with superior heat-stability adopts following technique to prepare:
First by modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer, Low Density Polyethylene, isocyanatopropyl triethoxyl silane, hexanolactam, calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, fire retardant, softening agent, ultraviolet absorber, viscosity control agent adds in Banbury mixer mixing, melting temperature is 100 DEG C, mixing time is 5min, add microcrystalline wax, stearic acid, paraffin oil, vinyl three ('beta '-methoxy oxyethyl group) silane, vinylformic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic, the amino phthalimide of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] the mixing 1min of hydrazine, temperature is increased to 135 DEG C of binder removals, the material obtained is deposited 1 day in room temperature, send in Banbury mixer and mix 5min, mixing temperature is 92 DEG C, add 1, 4-dual-tert-butyl peroxy isopropyl base benzene, alkylated diphenylamine, Witco 1298 Soft Acid, methylsulphonic acid acetyl, the mixing 80s binder removal of tetrapropyl benzene sulfonyl, obtain the cable insulation layer material with superior heat-stability.
Embodiment 4
A kind of cable insulation layer material with superior heat-stability, its raw material comprises by weight: modified polypropene 30 parts, propylene-ethylene copolymers 37 parts, ethylene-vinyl acetate copolymer 10 parts, Low Density Polyethylene 23 parts, 1.4 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane 1.9 parts, hexanolactam 6 parts, 9 parts, vinylformic acid, methacrylic acid 5 parts, maleic anhydride 13 parts, 2 parts, magnesium oxide, 1.9 parts, aluminum oxide, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.8 part, alkylated diphenylamine 1.8 parts, Witco 1298 Soft Acid 2 parts, 1.5 parts, methylsulphonic acid acetyl, tetrapropyl benzene sulfonyl 0.6 part, zinc salt of 2 mercaptobenzimidazole 1.7 parts, right, right '-diisopropylbenzyl pentanoic 1.5 parts, microcrystalline wax 1.6 parts, stearic acid 2 parts, paraffin oil 0.8 part, the amino phthalimide 2 parts of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1.8 parts, calcinated argil 34 parts, stibium trioxide 12 parts, cerium dioxide 12 parts, Nano-class zinc oxide 22 parts, fire retardant 1.4 parts, 1.9 parts, softening agent, ultraviolet absorber 1.4 parts, viscosity control agent 1.8 parts.
In propylene-ethylene copolymers, the molar content of ethene is 20%, in ethylene-vinyl acetate copolymer, and the molar content of vinyl acetate between to for plastic is 17%.
Modified polypropene adopts following technique to prepare: send in reactor by 20 parts of bamboo chips by weight, add 50 parts of formic acid successively, 10 parts of hydrogen peroxide stir, leave standstill 4 days, be warming up to 80 DEG C and stir 16min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out, by throw out deionized water wash 2 times, add the sodium hydroxide stirring 40min that 40 parts of concentration are 0.2mol/L, whipping temp is 50 DEG C, continue to add the formaldehyde solution stirring 2h that 10 parts of concentration are 30wt%, pour in 50 parts of deionized waters, adding hydrochloric acid while stirring to pH at 115 DEG C is 2.5, filter, get solids deionized water wash 3 times, add 30 parts of polypropylene to mix with 2 parts of softening agent, send in twin screw extruder and melt extrude, extruded velocity is 60r/min, cooling, granulation obtains modified polypropene.
The described cable insulation layer material with superior heat-stability adopts following technique to prepare:
First by modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer, Low Density Polyethylene, isocyanatopropyl triethoxyl silane, hexanolactam, calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, fire retardant, softening agent, ultraviolet absorber, viscosity control agent adds in Banbury mixer mixing, melting temperature is 120 DEG C, mixing time is 2min, add microcrystalline wax, stearic acid, paraffin oil, vinyl three ('beta '-methoxy oxyethyl group) silane, vinylformic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic, the amino phthalimide of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] the mixing 2min of hydrazine, temperature is increased to 125 DEG C of binder removals, the material obtained is deposited 3 days in room temperature, send in Banbury mixer and mix 3min, mixing temperature is 98 DEG C, add 1, 4-dual-tert-butyl peroxy isopropyl base benzene, alkylated diphenylamine, Witco 1298 Soft Acid, methylsulphonic acid acetyl, the mixing 55s binder removal of tetrapropyl benzene sulfonyl, obtain the cable insulation layer material with superior heat-stability.
Embodiment 5
A kind of cable insulation layer material with superior heat-stability, its raw material comprises by weight: modified polypropene 33 parts, propylene-ethylene copolymers 34 parts, ethylene-vinyl acetate copolymer 11.5 parts, Low Density Polyethylene 22 parts, 1.6 parts, vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane 1.7 parts, hexanolactam 7 parts, 8 parts, vinylformic acid, methacrylic acid 5.6 parts, maleic anhydride 12 parts, 2.3 parts, magnesium oxide, 1.6 parts, aluminum oxide, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.9 part, alkylated diphenylamine 1.6 parts, Witco 1298 Soft Acid 2.3 parts, 1.4 parts, methylsulphonic acid acetyl, tetrapropyl benzene sulfonyl 0.7 part, zinc salt of 2 mercaptobenzimidazole 1.5 parts, right, right '-diisopropylbenzyl pentanoic 1.7 parts, microcrystalline wax 1.4 parts, stearic acid 2.2 parts, paraffin oil 0.7 part, the amino phthalimide 2.2 parts of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1.6 parts, calcinated argil 35 parts, stibium trioxide 11 parts, cerium dioxide 14 parts, Nano-class zinc oxide 21 parts, fire retardant 1.5 parts, 1.7 parts, softening agent, ultraviolet absorber 1.7 parts, viscosity control agent 1.6 parts,
In propylene-ethylene copolymers, the molar content of ethene is 25%, in ethylene-vinyl acetate copolymer, and the molar content of vinyl acetate between to for plastic is 14%.
Modified polypropene adopts following technique to prepare: send in reactor by 30 parts of bamboo chips by weight, add 35 parts of formic acid successively, 20 parts of hydrogen peroxide stir, leave standstill 3 days, be warming up to 85 DEG C and stir 13min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out, by throw out deionized water wash 3 times, add the sodium hydroxide stirring 30min that 30 parts of concentration are 0.4mol/L, whipping temp is 60 DEG C, continue to add the formaldehyde solution stirring 1.2h that 8 parts of concentration are 32wt%, pour in 60 parts of deionized waters, adding hydrochloric acid while stirring to pH at 108 DEG C is 2.8, filter, get solids deionized water wash 2 times, add 40 parts of polypropylene to mix with 1.5 parts of softening agent, send in twin screw extruder and melt extrude, extruded velocity is 65r/min, cooling, granulation obtains modified polypropene.
The described cable insulation layer material with superior heat-stability adopts following technique to prepare:
First by modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer, Low Density Polyethylene, isocyanatopropyl triethoxyl silane, hexanolactam, calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, fire retardant, softening agent, ultraviolet absorber, viscosity control agent adds in Banbury mixer mixing, melting temperature is 110 DEG C, mixing time is 3.5min, add microcrystalline wax, stearic acid, paraffin oil, vinyl three ('beta '-methoxy oxyethyl group) silane, vinylformic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic, the amino phthalimide of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] the mixing 1.5min of hydrazine, temperature is increased to 130 DEG C of binder removals, the material obtained is deposited 2 days in room temperature, send in Banbury mixer and mix 4min, mixing temperature is 95 DEG C, add 1, 4-dual-tert-butyl peroxy isopropyl base benzene, alkylated diphenylamine, Witco 1298 Soft Acid, methylsulphonic acid acetyl, the mixing 70s binder removal of tetrapropyl benzene sulfonyl, obtain the cable insulation layer material with superior heat-stability.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. one kind has the cable insulation layer material of superior heat-stability, it is characterized in that, its raw material comprises by weight: modified polypropene 20-40 part, propylene-ethylene copolymers 20-40 part, ethylene-vinyl acetate copolymer 5-15 part, Low Density Polyethylene 15-25 part, vinyl three ('beta '-methoxy oxyethyl group) silane 1-2 part, isocyanatopropyl triethoxyl silane 1-3 part, hexanolactam 5-10 part, vinylformic acid 5-10 part, methacrylic acid 3-8 part, maleic anhydride 10-15 part, magnesium oxide 1-3 part, aluminum oxide 1-2 part, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.5-1.2 part, alkylated diphenylamine 1-2 part, Witco 1298 Soft Acid 1-3 part, methylsulphonic acid acetyl 1-2 part, tetrapropyl benzene sulfonyl 0.5-1.2 part, zinc salt of 2 mercaptobenzimidazole 1-2 part, right, right '-diisopropylbenzyl pentanoic 1-2 part, microcrystalline wax 1-2 part, stearic acid 1-3 part, paraffin oil 0.5-1 part, N-salicylyl amino phthalimide 2-5 part, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1-2 part, calcinated argil 30-40 part, stibium trioxide 5-15 part, cerium dioxide 10-18 part, Nano-class zinc oxide 15-24 part, fire retardant 1-2 part, softening agent 1-2 part, ultraviolet absorber 1-2 part, viscosity control agent 1-2 part.
2. the cable insulation layer material with superior heat-stability according to claim 1, it is characterized in that, in propylene-ethylene copolymers, the molar content of ethene is 20-30%, in ethylene-vinyl acetate copolymer, the molar content of vinyl acetate between to for plastic is 11-17%.
3. the cable insulation layer material with superior heat-stability according to claim 1, it is characterized in that, modified polypropene adopts following technique to prepare: send in reactor by 20-40 part bamboo chip by weight, add 20-50 part formic acid successively, 10-30 part hydrogen peroxide stirs, leave standstill 2-4 days, be warming up to 80-90 DEG C and stir 10-16min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out, by throw out deionized water wash 2-4 time, add the sodium hydroxide stirring 20-40min that 20-40 part concentration is 0.2-0.6mol/L, whipping temp is 50-70 DEG C, continue to add the formaldehyde solution stirring 1-2h that 5-10 part concentration is 30-34wt%, pour in 50-70 part deionized water, adding hydrochloric acid while stirring to pH at 100-115 DEG C is 2.5-3, filter, get solids deionized water wash 2-3 time, add 30-50 part polypropylene to mix with 1-2 part softening agent, send in twin screw extruder and melt extrude, extruded velocity is 60-70r/min, cooling, granulation obtains modified polypropene.
4. the cable insulation layer material with superior heat-stability according to claim 3, it is characterized in that, in the preparation technology of modified polypropene, by weight 34-36 part bamboo chip is sent in reactor, add 40-45 part formic acid successively, 20-24 part hydrogen peroxide stirs, leave standstill 2-4 days, be warming up to 84-86 DEG C and stir 14-15min, be cooled to room temperature, filter, get filtrate concentrated after, add deionized water and separate out throw out.
5. the cable insulation layer material with superior heat-stability according to claim 3, it is characterized in that, in the preparation technology of modified polypropene, by throw out deionized water wash 2-4 time, add the sodium hydroxide stirring 30-34min that 30-34 part concentration is 0.3-0.5mol/L, whipping temp is 60-64 DEG C, continue to add the formaldehyde solution stirring 1-2h that 6-8 part concentration is 31-33t%, pour in 60-64 part deionized water, adding hydrochloric acid while stirring to pH at 110-113 DEG C is 2.5-3, filter, get solids deionized water wash 2-3 time, add 40-48 part polypropylene to mix with 1.2-1.6 part softening agent.
6. the cable insulation layer material with superior heat-stability according to any one of claim 1-5, it is characterized in that, the weight ratio of modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer and Low Density Polyethylene is 30-36:30-37:10-13:20-23.
7. the cable insulation layer material with superior heat-stability according to any one of claim 1-6, it is characterized in that, the weight ratio of vinyl three ('beta '-methoxy oxyethyl group) silane, isocyanatopropyl triethoxyl silane and hexanolactam is 1.4-1.8:1.4-1.9:6-8.
8. the cable insulation layer material with superior heat-stability according to any one of claim 1-7, it is characterized in that, its raw material comprises by weight: modified polypropene 30-36 part, propylene-ethylene copolymers 30-37 part, ethylene-vinyl acetate copolymer 10-13 part, Low Density Polyethylene 20-23 part, vinyl three ('beta '-methoxy oxyethyl group) silane 1.4-1.8 part, isocyanatopropyl triethoxyl silane 1.4-1.9 part, hexanolactam 6-8 part, vinylformic acid 7-9 part, methacrylic acid 5-6 part, maleic anhydride 11-13 part, magnesium oxide 2-2.6 part, aluminum oxide 1.4-1.9 part, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.8-1 part, alkylated diphenylamine 1.5-1.8 part, Witco 1298 Soft Acid 2-2.6 part, methylsulphonic acid acetyl 1.2-1.5 part, tetrapropyl benzene sulfonyl 0.6-0.8 part, zinc salt of 2 mercaptobenzimidazole 1.4-1.7 part, right, right '-diisopropylbenzyl pentanoic 1.5-1.9 part, microcrystalline wax 1.2-1.6 part, stearic acid 2-2.4 part, paraffin oil 0.6-0.8 part, N-salicylyl amino phthalimide 2-2.4 part, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine 1.2-1.8 part, calcinated argil 34-36 part, stibium trioxide 10-12 part, cerium dioxide 12-16 part, Nano-class zinc oxide 20-22 part, fire retardant 1.4-1.6 part, softening agent 1.5-1.9 part, ultraviolet absorber 1.4-1.9 part, viscosity control agent 1.5-1.8 part.
9. the preparation method with the cable insulation layer material of superior heat-stability according to any one of claim 1-8, is characterized in that, comprise the steps:
First by modified polypropene, propylene-ethylene copolymers, ethylene-vinyl acetate copolymer, Low Density Polyethylene, isocyanatopropyl triethoxyl silane, hexanolactam, calcinated argil, stibium trioxide, cerium dioxide, Nano-class zinc oxide, fire retardant, softening agent, ultraviolet absorber, viscosity control agent adds in Banbury mixer mixing, melting temperature is 100-120 DEG C, mixing time is 2-5min, add microcrystalline wax, stearic acid, paraffin oil, vinyl three ('beta '-methoxy oxyethyl group) silane, vinylformic acid, methacrylic acid, maleic anhydride, magnesium oxide, aluminum oxide, zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic, the amino phthalimide of N-salicylyl, 1, two [β-(3 of 2-, 5-di-tert-butyl-hydroxy phenyl) propionyl] the mixing 1-2min of hydrazine, temperature is increased to 125-135 DEG C of binder removal, the material obtained is deposited 1-3 days in room temperature, send in Banbury mixer and mix 3-5min, mixing temperature is 92-98 DEG C, add 1, 4-dual-tert-butyl peroxy isopropyl base benzene, alkylated diphenylamine, Witco 1298 Soft Acid, methylsulphonic acid acetyl, the mixing 55-80s binder removal of tetrapropyl benzene sulfonyl, obtain the cable insulation layer material with superior heat-stability.
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