CN106589512A - High-flexing low-smoke halogen-free antiflaming sheathing material of elevator cable, preparation method and application - Google Patents

High-flexing low-smoke halogen-free antiflaming sheathing material of elevator cable, preparation method and application Download PDF

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CN106589512A
CN106589512A CN201611231453.0A CN201611231453A CN106589512A CN 106589512 A CN106589512 A CN 106589512A CN 201611231453 A CN201611231453 A CN 201611231453A CN 106589512 A CN106589512 A CN 106589512A
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elevator
protective cover
vulcanizing agent
cover material
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CN106589512B (en
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穆肖斌
卑军
项华丽
王竞
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Shanghai High Molecular Functional Material Institute
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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
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention relates to a high-flexing low-smoke halogen-free antiflaming sheathing material of an elevator cable, and a preparation method and application thereof. The sheathing material is prepared through the following steps that (1), a vulcanizing agent is dissolved into a silane coupling agent, and a silane coupling agent solution containing the vulcanizing agent is obtained; (2), polyolefin elastomer resin and acrylic ester rubber are mixed to obtain a mixture; (3), the silane coupling agent containing the vulcanizing agent is adsorbed in the mixture obtained in the step (2), and then a mixed material is obtained; and (4), an inorganic flame retardant, an antioxidant and the mixing material obtained in the step (3) are put into an internal mixer together, mixing is conducted for five to ten minutes at the temperature of 120-140 DEG C, then a catalyst is added, banburying is conducted for one to three minutes at the temperature of 120-140 DEG C, and the high-flexing low-smoke halogen-free antiflaming sheathing material is obtained. According to the high-flexing low-smoke halogen-free antiflaming sheathing material of the elevator cable, the preparation method and the application, the sheathing material is high in tensile strength and breaking elongation rate and good in flex fatigue resistant property; the formula and technological operation are easy, and cost is low.

Description

A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material and preparation method and application
Technical field
The invention belongs to elevator cable field, and in particular to a kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material and Its preparation method.
Background technology
Shown according to China national State Administration of Quality Supervision, Inspection and Quarantine statistical data, by the end of the year 2010, China is being reached with elevator sum 162.8 ten thousand, and grown at top speed with annual 20% or so speed.Annual newly-increased elevator number accounts for the whole world more than 300,000 More than half of annual newly-increased elevator total amount, from this, China has been global maximum elevator market.
The special application scenario of elevator cable determines the characteristics of elevator cable has certain on raw material selection, for example There are the intensity higher than general electric wire and toughness reguirements.Such as elevator cable must assure that the pliability of height and firmly Property, so from conductor material, to insulant, then to wrapped, weaving sheath material to the last, various materials will retained While expecting original characteristic, it is ensured that be consistent with the general requirement of elevator cable.
The common insulation of electric wire and sheath material are various resins and plastics.Synthetic resin be plastics it is basic into Point, adding compounding ingredient (such as filler, plasticizer and stabilizer etc.) in resin, type is made in modeling under certain condition, finally keeps The material of certain shape is referred to as plastics.Plastic density is little, and good mechanical property, electrical insulation capability are excellent, and has chemically stable Property, water-fast, oil resistant, machine-shaping be convenient, the advantages of raw material sources enrich.
Sheath material used in elevator cable needs relatively thin thickness and higher tensile strength, so as to ensure Wrapped and shield effectiveness while, meet requirement of the elevator cable integrally to pliability and mechanical strength.Additionally, elevator cable Higher for fatigue performance requirement, the good elevator cable sheath of fatigue durability can effectively prevent electric wire and cable jacket cracking from causing Sheath in electric wire exposure, fracture and short circuit, reduce safe handling hidden danger, and frequently replacing can be effectively reduced The cost that cable is caused.
Most of elevator cables are flat PVC material in the market, and PVC cables can discharge substantial amounts of dense in burning Personnel and property are caused great loss, and are unfavorable for rescue works by cigarette and halogen acid gas, even more serious so as to cause Secondary hazards.And the fatigue performance of traditional PVC material is not ideal.
CN104910458A discloses a kind of cable for elevator sheath material and preparation method thereof, described cable for elevator Sheath material composition includes butadiene-styrene rubber 14-22 parts, chlorosulfonated polyethylene 16-25 parts, polyethersulfone resin 6-11 parts, polyglycereol -3 Methyl distearate 4-12 parts, isopropyl myristate 3-8 parts, aluminium silicate 3-5 parts, antioxidant 1076 be 2.5-5 parts, four Isopropyl two (dioctyl phosphito acyloxy) titanate esters 0.5-4.5 part, magnesium oxide 3-6 parts, dimethicone 3-5 parts, nitridation Boron 2-4 parts.Described cable for elevator sheath material preparation method includes the secondary banburying of banbury, mill mill, tabletting, opens Bar, prepares cable for elevator sheath material.Although the cable sheath material has high tensile strength and elongation at break, But fatigue performance is not ideal, therefore, in terms of comprehensive nor extraordinary elevator cable protective cover material.
The content of the invention
The technical problem to be solved overcomes the deficiencies in the prior art, there is provided a kind of high flexion low-smoke non-halogen flame-retardant Elevator cable protective cover material.
The present invention also provides a kind of preparation method of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, the method simultaneously Gained protective cover material tensile strength and elongation at break are high, and flex fatig resistance is good.
To solve above technical problem, a kind of technical scheme that the present invention takes is as follows：
A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, its composition of raw materials include matrix material, inorganic fire-retarded Agent, vulcanizing agent and antioxidant, particularly：
The composition of raw materials of the protective cover material also includes silane coupler, and silane coupler with the weight ratio of vulcanizing agent is 100：2～10；
Described matrix material by polyolefin elastomer resin 60wt%-80wt% and acrylate rubber 20wt%～ 40wt% is constituted, and wherein the density of polyolefin elastomer resin is 0.850～0.920g/cm3, survey according to ASTM D1238 methods Examination, test temperature and pressure are respectively the melt index under 190 DEG C and 2160g for≤4g/10min；Wherein acrylate rubber, Specify according to 1232 standards of GB, (Mooney) viscosity is rotated with symbols Z 100 DEG C (1+4) as 35-55；
The 1%～5% of material weight based on the weight sum of described silane coupler and vulcanizing agent；
Described protective cover material is made by the steps and obtains：
(1), vulcanizing agent is dissolved in silane coupler, the silane coupler solution containing vulcanizing agent is obtained；
(2), polyolefin elastomer resin and acrylate rubber are mixed using mill, obtain polyolefin elastomer/ Acrylate rubber mixture；
(3), the polyene that the absorption of the silane coupler containing vulcanizing agent obtained in step (1) is obtained in step (2) In olefin elastomer/acrylate rubber mixture, compound is obtained；
(4), the compound that inorganic combustion inhibitor, antioxidant and step (3) are obtained is put in banbury together, in 120- Knead 5～10 minutes at 140 DEG C, be subsequently adding catalyst, in 120-140 DEG C of banburying 1～3 minute, obtain final product the high flexion low Cigarette halogen-free flameproof elevator cable protective cover material.
Preferably, described inorganic combustion inhibitor is magnesium hydroxide, aluminium hydroxide or combination, inorganic combustion inhibitor and base The weight ratio of body material is 1～2:1, more preferably 1.2～1.8：1.
Preferably, described vulcanizing agent is selected from cumyl peroxide, di-t-butyl peroxide, diphenyl peroxide first Choosing any one kind of them or several combinations in acyl, 1,1- dual-tert-butyl peroxidating -3,3,5- trimethyl-cyclohexanes.
Preferably, described silane coupler is selected from vinyltrimethoxy silane, VTES, second - three-(2- methoxy ethoxy) silane of thiazolinyl, vinyl methyl dimethoxysilane, MTMS, three second of octyl group Choosing any one kind of them in TMOS and MTES or several combinations.
Preferably, based on the weight sum of silane coupler and vulcanizing agent material weight 2%～3%.
Preferably, silane coupler and the weight ratio of vulcanizing agent are 100：4～6.
Further, the composition of raw materials of described protective cover material also include lubricant, and lubricant in step (4) with it is inorganic The compound that fire retardant, antioxidant and step (3) are obtained is put in banbury together.
Preferably, described lubricant be silicone, EBS, PE wax, choosing any one kind of them or several groups in dimethicone Close.Usually, lubricant and the weight ratio of matrix material are 0.005～0.05:1, it is preferable that the weight of antioxidant and matrix material Amount is than being 0.01～0.03:1.
According to the present invention, described antioxidant can with and preferably in antioxidant 1010, antioxidant 1076, irgasfos 168 Choose any one kind of them or several combinations.Usually, antioxidant and the weight ratio of matrix material are 0.005～0.05:1, it is preferable that Antioxidant is 0.008～0.02 with the weight ratio of matrix material:1.
According to the present invention, polyolefin elastomer resin is tested according to ASTM D1238 methods, and test temperature and pressure are distinguished It is 2～4g/10min for the melt index under 190 DEG C and 2160g.
According to the present invention, in step (4), described catalyst is preferably dibutyltin dilaurate, dioctyl tin two Laurate or combination, the weight ratio generally 0.005～0.010 of catalyst and matrix material：1, preferably 0.005 ～0.008：1.
Preferably, in above-mentioned steps (1), being dissolved under room temperature or heating condition is carried out.
Preferably, in step (2), being blended at 80～100 DEG C of temperature is carried out, and can ensure mixed effect at this temperature It is not result in roll banding.
It is further preferred that the absorption is carried out at temperature 10-70 DEG C and in hermetic container, advantage of this is that Give certain temperature easily to adsorb, but the silicon containing vulcanizing agent that temperature is obtained during step (1) can be made when too high The volatilization of alkane coupling agent is too fast, and preferred temperature range is 30-50 DEG C.
According to a specific aspect, first the polyolefin elastomer obtained in step (2)/acrylate rubber mixture is put Enter in container, be preheated under design temperature, the silane coupler containing vulcanizing agent obtained in last accurate addition step (1), Closed vessel, maintenance are rocked at a set temperature.
Preferably, in step (3), before the absorption is carried out, to the polyolefin elastomer/acrylate rubber mixing Thing is dried and processes the mass content for causing wherein moisture content less than 500ppm, more preferably less than 300ppm, so effectively can control There is the phenomenon for crystallizing after meeting water in silane processed.
Preferably, drying meanss are：The polyolefin elastomer/acrylate rubber mixture is put into and is changed with air In the baking oven of gas, about 60 DEG C of temperature setting, dried 2 hours.
The another technical scheme that the present invention takes is：A kind of above-mentioned high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material Preparation method, which comprises the steps：
(1), vulcanizing agent is dissolved in silane coupler under room temperature or heating condition, the silane containing vulcanizing agent is obtained Coupling agent solution；
(2), polyolefin elastomer resin and acrylate rubber are mixed using mill at temperature 80-100 DEG C, is obtained To polyolefin elastomer/acrylate rubber mixture；
(3), the polyene that the absorption of the silane coupler containing vulcanizing agent obtained in step (1) is obtained in step (2) In olefin elastomer/acrylate rubber mixture, compound is obtained, wherein making the absorption at temperature 10-70 DEG C and close Closing in container is carried out；
(4), the compound and selective lubricant for obtaining inorganic combustion inhibitor, antioxidant, step (3) is put into together In banbury, knead 5～10 minutes at 120-140 DEG C, be subsequently adding catalyst, in 120-140 DEG C of banburying 1～3 minute, i.e., Obtain the high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Further, it is in step (3), before the absorption is carried out, mixed to the polyolefin elastomer/acrylate rubber Compound is dried and processes the mass content for causing wherein moisture content less than 500ppm, more preferably less than 300ppm.
Further, in step (3), absorption is preferably carried out at temperature 30-50 DEG C.
Height of the present invention subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material not only tensile strength and elongation at break Height, and flex fatig resistance is good, is particularly suitable for making elevator cable restrictive coating.For this purpose, the present invention relates particularly to above-mentioned height Application of the flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material in elevator cable making.
Due to taking above technical scheme, the present invention to have the advantage that compared with prior art：
The present invention is successfully prepared and is not only drawn by the composition and proportion design of formula and with reference to specific preparation technology Stretch intensity and elongation at break is high, and the good protective cover material of flex fatig resistance, and, inventive formulation and technological operation are simple, Cost is relatively low.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail, but the invention is not restricted to following enforcement Example.
In following examples, raw material selects as follows：The density of polyolefin elastomer resin is 0.908g/cm3, according to ASTM D1238 methods are tested, and test temperature and pressure are respectively the melt index under 190 DEG C and 2160g for 4g/10min；Third Olefin(e) acid ester rubber, specifies according to 1232 standards of GB, rotates (Mooney) viscosity with symbols Z 100 DEG C (1+4) as 43.Unless otherwise saying Bright, " part " or percentage ratio for representing consumption herein is respectively weight portion and percentage by weight.Not marked experiment condition is normal The experiment condition of rule.
Embodiment 1
A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, which is made by the steps and obtains：
(1) by 4 parts of vulcanizing agent cumyl peroxides be dissolved under normal temperature state 100 parts of silane coupling agent vinyls- In three-(2- methoxy ethoxy) silane, the silane coupler containing vulcanizing agent is obtained；
(2) 80 parts of polyolefin elastomer resins and 20 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain that polyolefin elastomer/acrylate rubber mixture is standby, water content is for about 500ppm；
(3) absorption of the silane coupler containing vulcanizing agent obtained in 2 parts of steps (1) is obtained in 100 parts of steps (2) Polyolefin elastomer/acrylate rubber mixture, obtain compound, concrete operations are as follows：It is poly- by what is obtained in step (2) Olefin elastomer/acrylate rubber mixture is put into 250ml single necked round bottom flask, and single necked round bottom flask is put into 35 DEG C of water-baths Middle preheating 15 minutes, the silane coupler containing vulcanizing agent obtained in last accurate addition step (1), is blocked using rubber closure Single-necked flask, slowly rocks in 35 DEG C of water-baths, is allowed to full and uniform absorption；
(4) by the compound obtained in 100 parts of steps (3), 160 parts of inorganic combustion inhibitor magnesium hydroxide, 2 parts of lubricant silicon Ketone, 3 parts of antioxidant 1010s are put in banbury together, are kneaded 8 minutes at about 130 DEG C；It is subsequently adding 0.2 part of two fourth of catalyst Base stannum dilaurate, in about 140 DEG C of banburyings 2 minutes, reaction obtained high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Embodiment 2
A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, which is made by the steps and obtains：
(1) 6 parts of vulcanizing agent 1,1- dual-tert-butyl peroxidating -3,3,5- trimethyl-cyclohexanes are dissolved under normal temperature state In 100 parts of silane coupling agent vinyl trimethoxy silanes, the silane coupler containing vulcanizing agent is obtained；
(2) 70 parts of polyolefin elastomer resins and 30 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain polyolefin elastomer/acrylate rubber mixture standby；
(3) absorption of the silane coupler containing vulcanizing agent obtained in 2 parts of steps (1) is obtained in 100 parts of steps (2) Polyolefin elastomer/acrylate rubber mixture, obtain compound, concrete operations are as follows：It is poly- by what is obtained in step (2) Olefin elastomer/acrylate rubber mixture is put into 250ml single necked round bottom flask, and single necked round bottom flask is put into 45 DEG C of water-baths Middle preheating 15 minutes, the silane coupler containing vulcanizing agent obtained in last accurate addition step (1), is blocked using rubber closure Single-necked flask, slowly rocks in 45 DEG C of water-baths, is allowed to full and uniform absorption；
(4) by the compound obtained in 100 parts of steps (3), 160 parts of inorganic combustion inhibitor aluminium hydroxide, 2 parts of lubricant PE Wax, 3 parts of irgasfos 168s are put in banbury together, are kneaded 8 minutes at about 120 DEG C；It is subsequently adding 0.2 part of catalyst two pungent Base stannum dilaurate, in about 130 DEG C of banburyings 2 minutes, reaction obtained high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Embodiment 3
A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, which is made by the steps and obtains：
(1) 6 parts of vulcanizing agent dibenzoyl peroxides are dissolved into into 100 parts of silane coupling agent vinyls three under normal temperature state In methoxy silane, the silane coupler containing vulcanizing agent is obtained；
(2) 60 parts of polyolefin elastomer resins and 40 parts of acrylate rubber are mixed in about 100 DEG C of mills using mill Close, obtain polyolefin elastomer/acrylate rubber mixture standby；
(3) absorption of the silane coupler containing vulcanizing agent obtained in 3 parts of steps (1) is obtained in 100 parts of steps (2) Polyolefin elastomer/acrylate rubber mixture, obtain compound, concrete operations are as follows：It is poly- by what is obtained in step (2) Olefin elastomer/acrylate rubber mixture is put into 250ml single necked round bottom flask, and single necked round bottom flask is put into 35 DEG C of water-baths Middle preheating 15 minutes, the silane coupler containing vulcanizing agent obtained in last accurate addition step (1), is blocked using rubber closure Single-necked flask, slowly rocks in 35 DEG C of water-baths, is allowed to full and uniform absorption；
(4) by the compound obtained in 100 parts of steps (3), 160 parts of inorganic combustion inhibitor magnesium hydroxide, 5 parts of lubricant silicon Ketone, 3 parts of antioxidant 1010s are put in banbury together, knead 6 minutes, be subsequently adding 0.2 part of catalyst at about 120 DEG C, Banburying 2 minutes at about 120 DEG C, reaction obtain high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Embodiment 4
A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, which is made by the steps and obtains：
(1) by 4 parts of vulcanizing agent cumyl peroxides be dissolved under normal temperature state 100 parts of silane coupling agent vinyls- In three-(2- methoxy ethoxy) silane, the silane coupler containing vulcanizing agent is obtained；
(2) 80 parts of polyolefin elastomer resins and 20 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain that polyolefin elastomer/acrylate rubber mixture is standby, water content is for about 500ppm, and the mixture is put into In baking oven with air exchange, 60 DEG C of temperature setting, dried 2 hours can control water content and be about 250ppm；
(3) absorption of the silane coupler containing vulcanizing agent obtained in 2 parts of steps (1) is obtained in 100 parts of steps (2) Polyolefin elastomer/acrylate rubber mixture, obtain compound, concrete operations are as follows：It is poly- by what is obtained in step (2) Olefin elastomer/acrylate rubber mixture is put into 250ml single necked round bottom flask, and single necked round bottom flask is put into 35 DEG C of water-baths Middle preheating 15 minutes, the silane coupler containing vulcanizing agent obtained in last accurate addition step (1), is blocked using rubber closure Single-necked flask, slowly rocks in 35 DEG C of water-baths, is allowed to full and uniform absorption；
(4) by the compound obtained in 100 parts of steps (3), 160 parts of inorganic combustion inhibitor magnesium hydroxide, 2 parts of lubricant silicon Ketone, 3 parts of antioxidant 1010s are put in banbury together, are kneaded 8 minutes at about 130 DEG C；It is subsequently adding 0.2 part of two fourth of catalyst Base stannum dilaurate, in about 140 DEG C of banburyings 2 minutes, reaction obtained high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Comparative example 1
This example provides a kind of low-smoke non-halogen flame-retardant cable for elevator protective cover material, and which is obtained as follows：
(1) 80 parts of polyolefin elastomer resins and 20 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain polyolefin elastomer/acrylate rubber mixture standby；
(2) by mixture, 160 parts of inorganic combustion inhibitor magnesium hydroxide, 2 parts of lubricant silicone, 3 parts of antioxygens obtained by step (1) Agent 1010 is put in banbury together, and in about 140 DEG C of banburyings 2 minutes, reaction obtained low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Comparative example 2
This example provides a kind of low-smoke non-halogen flame-retardant cable for elevator protective cover material, and which is obtained as follows：
(1) 60 parts of polyolefin elastomer resins and 40 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain polyolefin elastomer/acrylate rubber mixture standby；
(2) by mixture, 160 parts of inorganic combustion inhibitor aluminium hydroxide, 2 parts of lubricant PE waxes, 3 parts of antioxygens obtained by step (1) Agent 168 is put in banbury together, is kneaded 8 minutes at about 120 DEG C；It is subsequently adding 0.2 part of two Laurel of catalyst dioctyl tin Acid esters, in about 130 DEG C of banburyings 2 minutes, reaction obtained low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Comparative example 3
This example provides a kind of low-smoke non-halogen flame-retardant cable for elevator protective cover material, and its formula with embodiment 1, is except for the difference that made substantially Standby step is different, and its step is as follows：
(1) by 4 parts of vulcanizing agent cumyl peroxides be dissolved under normal temperature state 100 parts of silane coupling agent vinyls- In three-(2- methoxy ethoxy) silane, the silane coupler containing vulcanizing agent is obtained；
(2) silane coupler containing vulcanizing agent in 8 parts of steps (1) is distributed in 160 parts of machine fire retardant magnesium hydroxides, Obtain silane coupler modified magnesium hydroxide；
(3) 80 parts of polyolefin elastomer resins and 20 parts of acrylate rubber are mixed in about 90 DEG C of mills using mill Close, obtain polyolefin elastomer/acrylate rubber mixture standby；
(4) by the mixture obtained in step (3), modified magnesium hydroxide obtained by step (1), 2 parts of lubricant silicone, 3 parts Antioxidant 1010 is put in banbury together, is kneaded 8 minutes at about 130 DEG C；It is subsequently adding 0.2 part of catalyst dibutyl tin two Laurate, in about 140 DEG C of banburyings 2 minutes, reaction obtained low-smoke non-halogen flame-retardant cable for elevator protective cover material.
Comparative example 4
A kind of elevator cable protective cover material, prepares with reference to CN104910458A embodiments 1.
Elevator cable protective cover material performance test
The performance of embodiment 1 to 4 and the protective cover material of comparative example 1-4 is tested, wherein, tensile property method of testing And condition：With reference to GB/T 1040-1992《Plastic tensile method for testing performance》.
Flexing fatigue number of times assay method is：With reference to GBT13934-1992《The measure of vulcanite flex crack》.
Test result is referring to table 1.
The performance data of 1. embodiment of table and comparative example protective cover material
Sequence number Tensile strength/MPa Elongation at break/% Oxygen index (OI)/% Flexing fatigue number of times/ten thousand time
Embodiment 1 12.0 320 32 ＞ 70
Embodiment 2 11.5 350 31 ＞ 70
Embodiment 3 10.8 380 31 ＞ 70
Embodiment 4 12.5 380 31 ＞ 90
Comparative example 1 9.3 430 30 ＜ 12
Comparative example 2 7.8 540 30 ＜ 16
Comparative example 3 8.2 390 30 ＜ 20
Comparative example 4 7.2 380 29 ＜ 16
Contrast by more than, the protective cover material made according to inventive formulation and technique except with tensile strength it is high with Outside the high characteristic of elongation at break, also with very excellent flex fatigue property, for making elevator cable restrictive coating, can Effectively to prevent exposure, fracture and the short circuit of electric wire in the electric wire and cable jacket sheath that causes of cracking, safe handling is reduced Hidden danger, and the cost that frequently replacing cable is caused can be effectively reduced.
Above the present invention is described in detail, its object is to allow the personage for being familiar with this art to will appreciate that this The content of invention is simultaneously carried out, and can not be limited the scope of the invention with this, all spirit institutes of the invention The equivalence changes of work or modification, should all cover within the scope of the present invention.

Claims (10)

1. a kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material, its composition of raw materials include matrix material, inorganic combustion inhibitor, Vulcanizing agent and antioxidant, it is characterised in that：
The composition of raw materials of the protective cover material also includes silane coupler, and silane coupler with the weight ratio of the vulcanizing agent is 100：2～10；
Described matrix material is by polyolefin elastomer resin 60wt%-80wt% and acrylate rubber 20wt%～40wt% groups Into wherein the density of described polyolefin elastomer resin is 0.850～0.920g/cm3, survey according to ASTM D1238 methods Examination, test temperature and pressure are respectively the melt index under 190 DEG C and 2160g for≤4g/10min；Wherein described acrylic acid Ester rubber, specifies according to 1232 standards of GB, rotates (Mooney) viscosity with symbols Z 100 DEG C (1+4) as 35-55；
Described silane coupler is the 1%～5% of described matrix material weight with the weight sum of the vulcanizing agent；
Described protective cover material is made by the steps and obtains：
(1), vulcanizing agent is dissolved in silane coupler, the silane coupler solution containing vulcanizing agent is obtained；
(2), polyolefin elastomer resin and acrylate rubber are mixed using mill, polyolefin elastomer/propylene is obtained Acid esters rubber composition；
(3), the polyolefin bullet that the absorption of the silane coupler containing vulcanizing agent obtained in step (1) is obtained in step (2) In gonosome/acrylate rubber mixture, compound is obtained；
(4), the compound that inorganic combustion inhibitor, antioxidant and step (3) are obtained is put in banbury together, at 120-140 DEG C Lower mixing 5～10 minutes, is subsequently adding catalyst, in 120-140 DEG C of banburying 1～3 minute, obtains final product the high flexion low smoke and zero halogen Fire-retardant elevator cable protective cover material.
2. height according to claim 1 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Described nothing Machine fire retardant is magnesium hydroxide, aluminium hydroxide or combination, the weight ratio of inorganic combustion inhibitor and described matrix material is 1～ 2:1。
3. height according to claim 1 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Described sulfur Agent be selected from cumyl peroxide, di-t-butyl peroxide, dibenzoyl peroxide, 1,1- dual-tert-butyls peroxidating -3, Choosing any one kind of them in 3,5- trimethyl-cyclohexanes or several combinations；Described silane coupler is selected from vinyl trimethoxy Silane, VTES ,-three-(2- methoxy ethoxy) silane of vinyl, vinyl methyl dimethoxy silicon Choosing any one kind of them in alkane, MTMS, octyltri-ethoxysilane and MTES is several Combination.
4. height according to claim 1 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Described shield The composition of raw materials of jacking also includes lubricant, and lubricant is obtained with inorganic combustion inhibitor, antioxidant and step (3) in step (4) To compound put in banbury together.
5. height according to claim 4 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Described profit Lubrication prescription is silicone, EBS, PE wax, choosing any one kind of them or several combinations in dimethicone.
6. height according to claim 1 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Described is anti- Oxygen agent is antioxidant 1010, antioxidant 1076, choosing any one kind of them or several combinations in irgasfos 168.
7. height according to claim 1 subdues low-smoke non-halogen flame-retardant cable for elevator protective cover material, it is characterised in that：Step (4) In, described catalyst is dibutyltin dilaurate, dioctyl tin dilaurate or combination, catalyst and institute The weight ratio for stating matrix material is 0.005～0.010:1.
8. a kind of height as described in any one of claim 1 to 7 claim subdues low-smoke non-halogen flame-retardant cable for elevator sheath The preparation method of material, it is characterised in that：Comprise the steps：
(1), vulcanizing agent is dissolved in silane coupler under room temperature or heating condition, is obtained containing the silane coupled of vulcanizing agent Agent solution；
(2), polyolefin elastomer resin and acrylate rubber are mixed using mill at temperature 80-100 DEG C, is gathered Olefin elastomer/acrylate rubber mixture；
(3), the polyolefin bullet that the absorption of the silane coupler containing vulcanizing agent obtained in step (1) is obtained in step (2) In gonosome/acrylate rubber mixture, compound is obtained, wherein making the absorption at temperature 10-70 DEG C and closed appearance Carry out in device；
(4), the compound and selective lubricant for obtaining inorganic combustion inhibitor, antioxidant, step (3) puts into banburying together In machine, knead 5～10 minutes at 120-140 DEG C, be subsequently adding catalyst, in 120-140 DEG C of banburying 1～3 minute, obtain final product institute State high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material.
9. preparation method according to claim 8, it is characterised in that：In step (3), before the absorption is carried out, to institute State polyolefin elastomer/acrylate rubber mixture process is dried so that the mass content of wherein moisture content is less than 500ppm。
10. a kind of height as described in any one of claim 1 to 7 claim subdues low-smoke non-halogen flame-retardant cable for elevator sheath Expect the application in elevator cable makes.
CN201611231453.0A 2016-12-28 2016-12-28 A kind of high flexion low-smoke non-halogen flame-retardant cable for elevator protective cover material and preparation method and application Active CN106589512B (en)

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CN114507390A (en) * 2022-01-20 2022-05-17 上海高分子功能材料研究所 Composite cross-linked ceramic low-smoke halogen-free heat-insulating polyolefin material and preparation method thereof

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CN103509256A (en) * 2013-08-30 2014-01-15 安徽天民电气科技有限公司 Oil-resistant low-temperature-resistant cable material and preparation method thereof
CN104910504A (en) * 2015-06-17 2015-09-16 宝胜科技创新股份有限公司 Halogen-free low-smoke flame-retardant cold resistant rubber sheath material and preparation method thereof
CN104987583A (en) * 2015-07-17 2015-10-21 连云港德翔新材料有限公司 Ethylene-octene copolymer high performance composite material and preparation method thereof

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CN103509256A (en) * 2013-08-30 2014-01-15 安徽天民电气科技有限公司 Oil-resistant low-temperature-resistant cable material and preparation method thereof
CN104910504A (en) * 2015-06-17 2015-09-16 宝胜科技创新股份有限公司 Halogen-free low-smoke flame-retardant cold resistant rubber sheath material and preparation method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114507390A (en) * 2022-01-20 2022-05-17 上海高分子功能材料研究所 Composite cross-linked ceramic low-smoke halogen-free heat-insulating polyolefin material and preparation method thereof

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