CN105860499A - External thermoplastic elastomer material of halogen-free flame-retardant cable - Google Patents
External thermoplastic elastomer material of halogen-free flame-retardant cable Download PDFInfo
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- CN105860499A CN105860499A CN201610407596.6A CN201610407596A CN105860499A CN 105860499 A CN105860499 A CN 105860499A CN 201610407596 A CN201610407596 A CN 201610407596A CN 105860499 A CN105860499 A CN 105860499A
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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
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses an external thermoplastic elastomer material of a halogen-free flame-retardant cable. The material is prepared from, by weight, 105-115 parts of TPU, 30-40 parts of SEBS, 6-7 parts of organic rectorite, 1-3 parts of tetraisopropyl titanate, 15-25 parts of precipitated silica, 10-20 parts of plasticizer, 10-20 parts of mica, 4-6 parts of talcum powder, 4-6 parts of fire retardant, 3-5 parts of lubricant, 0.2-0.6 part of antioxidant, 3-5 parts of silane coupling agent with the fineness smaller than 300 and 4-6 parts of carbon black. The defects in the prior art are overcome, and the comprehensive performance of resisting oil, resisting heat, being soft, good in resilience force and low in smoke, resisting solvents and cold and the like is achieved.
Description
Technical field
The present invention relates to cable external cladding material technical field, particularly belong to a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material and preparation method thereof.
Background technology
Electric wire, as the second largest industry of national economy, has been widely used in the transmission of all kinds of electric energy and signal.Compared with other material, halogen-free flame-retardant thermoplastic elastomer, owing to having the features such as light specific gravity, easily processed into type, good comprehensive mechanical property and electrical insulation capability be excellent, is the preferred material of all kinds of wire cable insulating and sheath.
Thermoplastic polyurethane (TPU) refers to the class elastomeric material being polymerized by diisocyanate, polyhydric alcohol and chain extender, and it has high intensity, high resiliency, wear-resisting, oil resistant, the feature such as low temperature resistant.TPU can be divided into polyester and the big class of polyether-type two according to molecular structure, owing to the use environment of cable is more complicated, the service life required is more than 10 years, and the high temperature anti-hydrolytic performance of polyester-type TPU is poor, and its low-temperature flexibility performance is also not as good as polyether-type TPU, therefore the TPU used in electric wire field mostly is polyether-type.
All the time, the research of TPU fire resistance is the problem that flexible cable material field is paid close attention to the most.External Lu Borun, Hensel be graceful and there is the low smoke and zero halogen TPU CABLE MATERIALS meeting UL electric wire flame-retardancy requirements of the respective trade mark in the TPU such as BASF synthesis producer, and domestic many CABLE MATERIALS manufacturers are proposed corresponding environmental protection flame retardant TPU and halogen-free flameproof TPU CABLE MATERIALS the most one after another.Generally speaking, the combination property of domestic fire-retardant TPU flexible cable material is also far away from the product of import, but due to technical monopolization, the price of import fire-retardant TPU flexible cable material remains high always, this limits the application in its market at home to a certain extent, therefore, the fire-retardant TPU elastic material that exploitation sexual valence is higher is the task of top priority of current domestic CABLE MATERIALS manufacturer.It addition, along with the release of new forms of energy policy, the industry such as wind-power electricity generation, electric automobile is the most very powerful and exceedingly arrogant, the development of the electric wire matched therewith the most progressively launches, and the market of fire-retardant TPU flexible cable material will be opened further.
Common PVC Insulation Material there is also acid and alkali-resistance, heat resistant oils, the shortcomings such as organic solvent resistance is poor, easily occurs damaged and cracking in described specific environment.Thermoplastic polyurethane (TPU) is the organic polymer synthetic material that a kind of novel properties is excellent, having the physical property of excellence, such as wearability, resilience force is all better than common PVC, resistance to ag(e)ing is better than rubber, it may be said that be the optimal material substituting PVC.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, overcome the deficiencies in the prior art, reach the combination property such as oil resistant, heat-resisting, soft, resilience force is good, solvent resistant, cold-resistant and low cigarette.
The technical solution used in the present invention is as follows:
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, it is made up of the raw material of following weight portion: TPU105 115 parts, SEBS30 40 parts, organic rectorite 67 parts, tetraisopropyl titanate 13 parts, precipitated silica 15 25 parts, plasticizer 10 20 parts, 10 20 parts of Muscovitum, Pulvis Talci 46 parts, fire retardant 46 parts, lubricant 35 parts, 0.2 0.6 parts of antioxidant, fineness are less than 300 silane coupler 35 parts, white carbon black 46 parts.Described raw material TPU110 part, SEBS35 part, organic rectorite 7 parts, tetraisopropyl titanate 2 parts, precipitated silica 20 parts, plasticizer 15 parts, 15 parts of Muscovitum, Pulvis Talci 5 parts, fire retardant 4 parts, lubricant 4 parts, 0.5 part of antioxidant, fineness are less than 300 silane coupler 4 parts, white carbon black 5 parts.
A kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, (1) organic rectorite and tetraisopropyl titanate are added in high-speed mixer, at 95-105 DEG C, mixing 22-28min is stirred with the speed of 500-600rpm, then will cross organic rectorite through tetraisopropyl titanate coupling agent treatment and put in the double extruder of screw rod, add TPU, extruder melt zone temperature controls at 110-130 DEG C, melt blending 10-20min under the rotating speed of 400-600r/min, then extruding pelletization, obtains TPU/ salt/organic rectorite nano composite material；
(2) joining mixing 10-20min on mixing roll with above-mentioned prepared TPU/ salt/organic rectorite nano composite material after being dried by SEBS, temperature is 100-110 DEG C, obtains elastomeric compound；
(3) by above-mentioned prepared elastomeric compound and Pulvis Talci, Muscovitum, white carbon black, put in banbury, add precipitated silica after mixing 2-3min, antioxidant continues mixing 4-5min, it is eventually adding plasticizer, fire retardant, lubricant, fineness less than the 300 mixing 1-2min of silane coupler, banbury rotating speed 150-200r/min, temperature controls at 90-105 DEG C；
(4) blended stock obtained after banburying is conveyed into screw extruder extrusion processing through bipyramid shearing, vulcanizing on vulcanizing press after extrusion, hot pressing 8-10min at 155-165 DEG C, room temperature is colded pressing 4-6min, sulfide stress 6-10MPa, going out linear velocity is 12-15m/min.
Compared with the prior art, beneficial effects of the present invention is as follows:
In the present invention, the Muscovitum of use, aluminium hydroxide fire retardant, have environment-protecting asepsis, flame retarding efficiency advantages of higher, and its limited oxygen index also can be improved；Pulvis Talci, fineness are less than the shortcoming that silica gel improves the most water-fast easy precipitation of general fire retardant, heatproof is low of 300 mesh, by to rectorite organically-modified after with TPU melt blending after prepared TPU/ salt/organic rectorite nano composite material, rigidity and the non-deformability improving Insulation Material can be significantly improved, heat-resistant air aging property and the oil resistance of Insulation Material can also be improved simultaneously.The Insulation Material that the present invention produces not only has excellent mechanical and physical performance, insulating properties, and the most also there is good resistant of high or low temperature, oil resistant, solvent resistant, wearability, resistance to ozone, the advantage such as ageing-resistant, durable in use, environment friendly and pollution-free, it is fully able to meet the requirement of modern electric wire.
Detailed description of the invention
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, it is made up of the raw material of following weight portion, and described raw material TPU110 part, SEBS35 part, organic rectorite 7 parts, tetraisopropyl titanate 2 parts, precipitated silica 20 parts, plasticizer 15 parts, 15 parts of Muscovitum, Pulvis Talci 5 parts, fire retardant 4 parts, lubricant 4 parts, 0.5 part of antioxidant, fineness are less than 300 silane coupler 4 parts, white carbon black 5 parts.
A kind of preparation method of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, (1) organic rectorite and tetraisopropyl titanate are added in high-speed mixer, at 95-105 DEG C, mixing 22-28min is stirred with the speed of 500-600rpm, then will cross organic rectorite through tetraisopropyl titanate coupling agent treatment and put in the double extruder of screw rod, add TPU, extruder melt zone temperature controls at 110-130 DEG C, melt blending 10-20min under the rotating speed of 400-600r/min, then extruding pelletization, obtains TPU/ salt/organic rectorite nano composite material；
(2) joining mixing 10-20min on mixing roll with above-mentioned prepared TPU/ salt/organic rectorite nano composite material after being dried by SEBS, temperature is 100-110 DEG C, obtains elastomeric compound；
(3) by above-mentioned prepared elastomeric compound and Pulvis Talci, Muscovitum, white carbon black, put in banbury, add precipitated silica after mixing 2-3min, antioxidant continues mixing 4-5min, it is eventually adding plasticizer, fire retardant, lubricant, fineness less than the 300 mixing 1-2min of silane coupler, banbury rotating speed 150-200r/min, temperature controls at 90-105 DEG C；
(4) blended stock obtained after banburying is conveyed into screw extruder extrusion processing through bipyramid shearing, vulcanizing on vulcanizing press after extrusion, hot pressing 8-10min at 155-165 DEG C, room temperature is colded pressing 4-6min, sulfide stress 6-10MPa, going out linear velocity is 12-15m/min.
The main performance index of the Insulation Material that the present invention produces is as follows:
1,25 DEG C time insulation resistance not less than 150M Ω/km.
2, finished cable stand exchange 50HZ3.5KV/5min voltage test do not puncture.
3, physical and mechanical properties is as follows:
1 tensile strength N/mm2 >=15.5
2 elongation at break % >=280
Aging rear tensile strength maximum rate of change % ± 25 of 3140 DEG C × 168h
Aging rear elongation at break maximum rate of change % ± 25 of 4140 DEG C × 168h
585 DEG C × 336h water absorption test mg/cm2≤1
6130 DEG C × 1h shrinkage test %≤3.5
7 fire resistances: meet A in GB/T19666, B, C level
8 low smoke performances: minimum light transmittance >=60%
9 Halogen performance requirements: pH weighted value >=4.3
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (3)
1. a thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material, it is characterised in that it is made up of the raw material of following weight portion: TPU105 115 parts, SEBS30 40 parts, organic rectorite 67 parts, tetraisopropyl titanate 13 parts, precipitated silica 15 25 parts, plasticizer 10 20 parts, 10 20 parts of Muscovitum, Pulvis Talci 46 parts, fire retardant 46 parts, lubricant 35 parts, 0.2 0.6 parts of antioxidant, fineness are less than 300 silane coupler 35 parts, white carbon black 46 parts.
A kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material the most according to claim 1, it is characterised in that: described raw material TPU110 part, SEBS35 part, organic rectorite 7 parts, tetraisopropyl titanate 2 parts, precipitated silica 20 parts, plasticizer 15 parts, 15 parts of Muscovitum, Pulvis Talci 5 parts, fire retardant 4 parts, lubricant 4 parts, 0.5 part of antioxidant, fineness are less than 300 silane coupler 4 parts, white carbon black 5 parts.
The preparation method of a kind of thermoplastic elastomer (TPE) halogen-free flame-retardant cable external material the most according to claim 1, it is characterized in that: organic rectorite and tetraisopropyl titanate are added in high-speed mixer by (1), at 95-105 DEG C, mixing 22-28min is stirred with the speed of 500-600rpm, then will cross organic rectorite through tetraisopropyl titanate coupling agent treatment and put in the double extruder of screw rod, add TPU, extruder melt zone temperature controls at 110-130 DEG C, melt blending 10-20min under the rotating speed of 400-600r/min, then extruding pelletization, obtain TPU/ salt/organic rectorite nano composite material；
(2) joining mixing 10-20min on mixing roll with above-mentioned prepared TPU/ salt/organic rectorite nano composite material after being dried by SEBS, temperature is 100-110 DEG C, obtains elastomeric compound；
(3) by above-mentioned prepared elastomeric compound and Pulvis Talci, Muscovitum, white carbon black, put in banbury, add precipitated silica after mixing 2-3min, antioxidant continues mixing 4-5min, it is eventually adding plasticizer, fire retardant, lubricant, fineness less than the 300 mixing 1-2min of silane coupler, banbury rotating speed 150-200r/min, temperature controls at 90-105 DEG C；
(4) blended stock obtained after banburying is conveyed into screw extruder extrusion processing through bipyramid shearing, vulcanizing on vulcanizing press after extrusion, hot pressing 8-10min at 155-165 DEG C, room temperature is colded pressing 4-6min, sulfide stress 6-10MPa, going out linear velocity is 12-15m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407596.6A CN105860499A (en) | 2016-06-12 | 2016-06-12 | External thermoplastic elastomer material of halogen-free flame-retardant cable |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610407596.6A CN105860499A (en) | 2016-06-12 | 2016-06-12 | External thermoplastic elastomer material of halogen-free flame-retardant cable |
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| CN201610407596.6A Pending CN105860499A (en) | 2016-06-12 | 2016-06-12 | External thermoplastic elastomer material of halogen-free flame-retardant cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731348A (en) * | 2017-09-20 | 2018-02-23 | 江苏亨通电力电缆有限公司 | Manufacturing process for dilatation optical fiber composite rope |
| CN109762359A (en) * | 2018-12-29 | 2019-05-17 | 无锡市苏南电缆有限公司 | A kind of crosslinked polyetylene insulated prefabricated band branched cable insulating material |
| CN110862674A (en) * | 2019-12-11 | 2020-03-06 | 上海欧唯斯工具制造有限公司 | Composite thermoplastic elastomer and preparation method thereof |
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| US20070179236A1 (en) * | 2006-02-01 | 2007-08-02 | Landon Shayne J | Sealant composition having reduced permeability to gas |
| CN102746568A (en) * | 2012-07-11 | 2012-10-24 | 江苏德威新材料股份有限公司 | High-temperature-resistance halogen-free flame retardant thermoplastic elastomer and preparation method of elastomer |
| CN103122138A (en) * | 2013-01-22 | 2013-05-29 | 安徽华津电缆集团有限公司 | TPU/SEBS (thermoplastic polyurethane/styrene-ethylene-butadiene-styrene) thermoplastic elastomer insulation material for power cables and preparation method thereof |
| CN103122098A (en) * | 2013-01-22 | 2013-05-29 | 安徽华津电缆集团有限公司 | EVA (ethylene-vinyl acetate) elastomer sheath material for wind power generation torsion-resistant flexible cables and preparation method thereof |
-
2016
- 2016-06-12 CN CN201610407596.6A patent/CN105860499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070179236A1 (en) * | 2006-02-01 | 2007-08-02 | Landon Shayne J | Sealant composition having reduced permeability to gas |
| CN102746568A (en) * | 2012-07-11 | 2012-10-24 | 江苏德威新材料股份有限公司 | High-temperature-resistance halogen-free flame retardant thermoplastic elastomer and preparation method of elastomer |
| CN103122138A (en) * | 2013-01-22 | 2013-05-29 | 安徽华津电缆集团有限公司 | TPU/SEBS (thermoplastic polyurethane/styrene-ethylene-butadiene-styrene) thermoplastic elastomer insulation material for power cables and preparation method thereof |
| CN103122098A (en) * | 2013-01-22 | 2013-05-29 | 安徽华津电缆集团有限公司 | EVA (ethylene-vinyl acetate) elastomer sheath material for wind power generation torsion-resistant flexible cables and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107731348A (en) * | 2017-09-20 | 2018-02-23 | 江苏亨通电力电缆有限公司 | Manufacturing process for dilatation optical fiber composite rope |
| CN109762359A (en) * | 2018-12-29 | 2019-05-17 | 无锡市苏南电缆有限公司 | A kind of crosslinked polyetylene insulated prefabricated band branched cable insulating material |
| CN110862674A (en) * | 2019-12-11 | 2020-03-06 | 上海欧唯斯工具制造有限公司 | Composite thermoplastic elastomer and preparation method thereof |
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Application publication date: 20160817 |