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CN103849110A - TPE material for low-smoke halogen-free high-temperature-resistant high-resilience flame retardant cable sheaths and production process thereof - Google Patents

TPE material for low-smoke halogen-free high-temperature-resistant high-resilience flame retardant cable sheaths and production process thereof Download PDF

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Publication number
CN103849110A
CN103849110A CN201410102162.6A CN201410102162A CN103849110A CN 103849110 A CN103849110 A CN 103849110A CN 201410102162 A CN201410102162 A CN 201410102162A CN 103849110 A CN103849110 A CN 103849110A
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parts
district
halogen
tpe material
mixture
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王彦富
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7461—Combinations of dissimilar mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0066—Flame-proofing or flame-retarding additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
    • C08L71/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
    • C08L71/12—Polyphenylene oxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K21/00—Fireproofing materials
    • C09K21/06—Organic materials
    • C09K21/12—Organic materials containing phosphorus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92657—Volume or quantity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention relates to a TPE material for low-smoke halogen-free high-temperature-resistant high-resilience flame retardant cable sheaths and a production process thereof. The TPE material comprises the following components in parts by weight: 50-100 parts of SEBS, 50-100 parts of white oil, 10-50 parts of PPE, 10-100 parts of polyethylene, 50-150 parts of polypropylene, 200-350 parts of composite halogen-free flame retardants, 5-50 parts of PTFE and 0.4-0.8 part of stabilizing agent, wherein the composite halogen-free flame retardant adopts the mixture of phenyl phosphinic acid aluminum and a flame retardant MCA according to the mixing ratio of 4:1; the stabilizing agent adopts the mixture of a main antioxidant 1076 and an auxiliary antioxidant 168 according to the mixing ratio of 1:1. The TPE material has the advantages of simplicity in production process, good formability, high strength, good low-temperature resistance (-50 DEG C), high heat resistant temperature, repeated utilization, environment protection, no poison, safety to environments and safety of long-term use under 120 DEG C, and is highly safe in use, and the application range of the flame retardant cables is greatly expanded.

Description

Low smoke and zero halogen is high temperature resistant high resilience flame-retardant cable sheath TPE material and manufacture craft
Technical field
The present invention relates to a kind of TPE material, particularly high temperature resistant high resilience flame-retardant cable sheath TPE material and manufacture craft of a kind of low smoke and zero halogen.
Background technology
At present, the material that cable is used is all extrusion moulding, and material adopts three kinds mostly, and one is conventional P VC material, its applied range, production technique are simple, but life-time service temperature range between-15 DEG C to 80 DEG C, poor flexibility, and lower temperature resistance is poor, easy to crack, when low temperature, surface hardness changes greatly, produces highly toxic substance dioxin when burning, and its range of application is restricted.One is fire-retardant PE or EVA material, and use temperature scope is in 80 DEG C, and its intensity is lower, and elasticity is very poor, and not bend-resistance is not low temperature resistant.Another kind is general TPE material, and this material can be at-50 DEG C to 80 DEG C life-time service, and intensity is high, good weatherability, environment-protecting asepsis.
Chinese patent literature number is 103571047A, patent name is " environmental protection flame retardant cable use extrude high temperature resistant TPE material ", discloses to be a kind ofly made up of by weight following component: SEBS50-100, white oil 50-150, polypropylene 100-200, environmental protection fire retarding agent 200-300, stablizer 0.4-0.8.This material fire protection flame retarding grade can reach UL94 V0 level, has production technique simple, can reuse, and plasticity is good, and intensity is high, and lower temperature resistance is good, heat resisting temperature is high, can be under 120 degree the advantage of life-time service, be applicable to extrude fire-retardant heatproof cable.But the problem of its existence is: the mixture that the main flame retardant TDE that wherein environmental protection fire retarding agent adopts and auxiliary flame retardant Sb203 are 2: 1, owing to also having halogen, when its burning, produce thick smoke, human body is caused to very large injury, the tragedy that even causes personnel to be choked to death when presence of fire.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provide a kind of low smoke and zero halogen high temperature resistant high resilience flame-retardant cable sheath TPE material, adopt the component of low smoke and zero halogen element, can be at-50 DEG C to 120 DEG C life-time service, there are general TPE product performance, improve 40 DEG C than general TPE product use temperature, be applicable to extrusion moulding cable material.
Its technical scheme is made up of by weight following component: SEBS 50-100 part, white oil 50-100 part, PPE 10-50 part, polyethylene 10-100 part, polypropylene 50-150 part, composite halogen-free fire retardant 200-350 part, PTFE 5-50 part, stablizer 0.4-0.8 part, wherein, composite halogen-free fire retardant adopts the mixture that phenyl hypo-aluminum orthophosphate and fire retardant MCA coordinate with the ratio of 4:1; Described stablizer adopts primary antioxidant 1076 and auxiliary antioxidant 168 to make according to the mixture of 1:1.
0.6 part of above-mentioned 250 parts of 40 parts of 30 parts of 30 parts of 80 parts of SEBS100 part, white oils, PPE, polyethylene, polypropylene, composite halogen-free fire retardants, PTFE10 part, stablizer, wherein, described stablizer be primary antioxidant 1076 and auxiliary antioxidant 168 according to the mixture of 1:1, described composite halogen-free fire retardant is the mixture coordinating with the ratio of 4:1 with phenyl hypo-aluminum orthophosphate and MCA.
The manufacture craft of TPE material for the high temperature resistant high resilience flame-retardant cable sheath of low smoke and zero halogen that the present invention mentions, made by following methods:
Under the condition of 50-80 DEG C, first described white oil and SEBS were mixed at a slow speed after 20-30 minute in stirrer, be mixed together 20-30 minute with other material auxiliary agent again, then add in twin screw extruder, through melt extruding, cooling, granulation, packaging final prod; Wherein in the barrel of twin screw extruder, temperature is: a district 170-180 DEG C, two district 180-190 DEG C, three district 180-190 DEG C, four district 180-190 DEG C, five district 180-190 DEG C, six district 180-190 DEG C, seven district 170-180 DEG C, eight district 160-170 DEG C, head 180-190 DEG C, twin screw extruder rotating speed is 100-400 rev/min.
The invention has the beneficial effects as follows: add PPE can improve the flame retardant properties of TPE system, can reduce the usage quantity of fire retardant; Add polyethylene, improved the melt stability of material, make material be easy to extrude processing; Add polypropylene, improve the melt property of material, form the novel material of inierpeneirating network structure, greatly improve the melt strength of material under heating status, made this material be applicable to extruding-out process, simultaneously, select the halogen-free environment-friendly type flame-proof agent that meets the ROHS of European Union standard, adopt phenyl hypo-aluminum orthophosphate and fire retardant MCA to coordinate with the ratio of 4:1, flame retardant effect can reach UL94 V0 level, has solved the problem that occurs dense smoke in existing documents; This material has overcome the shortcoming that the materials such as PVC, PE, EVA are produced cable, have production technique simple, plasticity is good, and intensity is high, lower temperature resistance good (50 DEG C), heat resisting temperature are high, can reuse, environment-protecting asepsis, environmentally safe, use safety, can be under 120 degree the advantage of life-time service, safety in utilization is higher, has expanded the use range of flame-retardant cable.
Embodiment
50 parts of embodiment 1: the present invention is made up of by weight following component: SEBS, 50 parts of white oils, 10 parts of PPE, 10 parts of polyethylene, 50 parts of polypropylene, 200 parts of composite halogen-free fire retardants, 5 parts of PTFE, 0.4 part of stablizer, wherein, composite halogen-free fire retardant adopts the mixture that phenyl hypo-aluminum orthophosphate and fire retardant MCA coordinate with the ratio of 4:1; Described stablizer adopts primary antioxidant 1076 and auxiliary antioxidant 168 to make according to the mixture of 1:1.
The manufacture craft of TPE material for the high temperature resistant high resilience flame-retardant cable sheath of low smoke and zero halogen that the present invention mentions, made by following methods:
Under the condition of 50-80 DEG C, first described white oil and SEBS were mixed at a slow speed after 20-30 minute in stirrer, be mixed together 20-30 minute with other material auxiliary agent again, then add in twin screw extruder, through melt extruding, cooling, granulation, packaging final prod; Wherein in the barrel of twin screw extruder, temperature is: a district 170-180 DEG C, two district 180-190 DEG C, three district 180-190 DEG C, four district 180-190 DEG C, five district 180-190 DEG C, six district 180-190 DEG C, seven district 170-180 DEG C, eight district 160-170 DEG C, head 180-190 DEG C, twin screw extruder rotating speed is 100-400 rev/min.
Embodiment 2: the present invention is made up of by weight following component:
0.6 part of SEBS100 part, 80 parts of white oils, 30 parts of PPE, 30 parts of polyethylene, 40 parts of polypropylene, 250 parts of composite halogen-free fire retardants, PTFE10 part, stablizer, wherein, described stablizer be primary antioxidant 1076 and auxiliary antioxidant 168 according to the mixture of 1:1, described composite halogen-free fire retardant is the mixture coordinating with the ratio of 4:1 with phenyl hypo-aluminum orthophosphate and MCA.
Working method is: under the condition of 50 DEG C-80 DEG C, first white oil and SEBS were mixed at a slow speed after 20-30 minute in stirrer, be mixed together 20-30 minute with other material auxiliary agent again, then add in twin screw extruder, through melt extruding, cooling, granulation, packaging final prod.Wherein in the barrel of twin screw extruder, temperature is: a district 170-180 DEG C, two district 180-190 DEG C, three district 180-190 DEG C, four district 180-190 DEG C, five district 180-190 DEG C, six district 180-190 DEG C, seven district 170-180 DEG C, eight district 160-170 DEG C, head 180-190 DEG C, twin screw extruder rotating speed is 100-400 rev/min.
0.8 part of 100 parts of embodiment 3: the present invention is made up of by weight following component: SEBS, 100 parts of white oils, 50 parts of PPE, 100 parts of polyethylene, 150 parts of polypropylene, 350 parts of composite halogen-free fire retardants, PTFE50 part, stablizer, wherein, composite halogen-free fire retardant adopts the mixture that phenyl hypo-aluminum orthophosphate and fire retardant MCA coordinate with the ratio of 4:1; Described stablizer adopts primary antioxidant 1076 and auxiliary antioxidant 168 to make according to the mixture of 1:1.
Working method of the present invention is: under the condition of 50 DEG C-80 DEG C, first white oil and SEBS were mixed at a slow speed after 20-30 minute in stirrer, be mixed together 20-30 minute with other material auxiliary agent again, then add in twin screw extruder, through melt extruding, cooling, granulation, packaging final prod.Wherein in the barrel of twin screw extruder, temperature is: a district 170-180 DEG C, two district 180-190 DEG C, three district 180-190 DEG C, four district 180-190 DEG C, five district 180-190 DEG C, six district 180-190 DEG C, seven district 170-180 DEG C, eight district 160-170 DEG C, head 180-190 DEG C, twin screw extruder rotating speed is 100-400 rev/min.
It is simple that the present invention has production technique, plasticity is good, intensity is high, and lower temperature resistance good (50 DEG C), heat resisting temperature are high, can reuse, environment-protecting asepsis, environmentally safe, use safety, can be under 120 degree the advantage of life-time service, safety in utilization is higher, has greatly expanded the use range of flame-retardant cable.

Claims (3)

1. the high temperature resistant high resilience flame-retardant cable sheath TPE material of low smoke and zero halogen, it is characterized in that being formed by weight by following component: SEBS 50-100 part, white oil 50-100 part, PPE 10-50 part, polyethylene 10-100 part, polypropylene 50-150 part, composite halogen-free fire retardant 200-350 part, PTFE 5-50 part, stablizer 0.4-0.8 part, wherein, composite halogen-free fire retardant adopts the mixture that phenyl hypo-aluminum orthophosphate and fire retardant MCA coordinate with the ratio of 4:1; Described stablizer adopts primary antioxidant 1076 and auxiliary antioxidant 168 to make according to the mixture of 1:1.
2. the high temperature resistant high resilience flame-retardant cable sheath TPE material of low smoke and zero halogen according to claim 1, it is characterized in that: 0.6 part of described 250 parts of 40 parts of 30 parts of 30 parts of 80 parts of SEBS100 part, white oils, PPE, polyethylene, polypropylene, composite halogen-free fire retardants, PTFE10 part, stablizer, wherein, described stablizer be primary antioxidant 1076 and auxiliary antioxidant 168 according to the mixture of 1:1, described composite halogen-free fire retardant is the mixture coordinating with the ratio of 4:1 with phenyl hypo-aluminum orthophosphate and MCA.
3. the manufacture craft of TPE material for the high temperature resistant high resilience flame-retardant cable sheath of low smoke and zero halogen according to claim 1 and 2, is characterized in that being made up of following methods:
Under the condition of 50-80 DEG C, first described white oil and SEBS were mixed at a slow speed after 20-30 minute in stirrer, be mixed together 20-30 minute with other material auxiliary agent again, then add in twin screw extruder, through melt extruding, cooling, granulation, packaging final prod; Wherein in the barrel of twin screw extruder, temperature is: a district 170-180 DEG C, two district 180-190 DEG C, three district 180-190 DEG C, four district 180-190 DEG C, five district 180-190 DEG C, six district 180-190 DEG C, seven district 170-180 DEG C, eight district 160-170 DEG C, head 180-190 DEG C, twin screw extruder rotating speed is 100-400 rev/min.
CN201410102162.6A 2014-03-19 2014-03-19 TPE material for low-smoke halogen-free high-temperature-resistant high-resilience flame retardant cable sheaths and production process thereof Pending CN103849110A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104231520A (en) * 2014-10-21 2014-12-24 广东中德电缆有限公司 Flame retardant material for flame retardant network cable
CN105566924A (en) * 2015-12-24 2016-05-11 广州合成材料研究院有限公司 Wear-resistant SEBS thermoplastic elastomer material and preparation method thereof
CN108641267A (en) * 2018-05-11 2018-10-12 东莞市通锦新材料科技有限公司 Cable material and its preparation method and application

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CN102898764A (en) * 2011-07-27 2013-01-30 上海凯波特种电缆料厂有限公司 Super cold resistant and torsion tolerant elastomer TPE sheath material for wind power cables and preparation method thereof

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CN102796341A (en) * 2012-07-24 2012-11-28 金发科技股份有限公司 Halogen-free flame-retardant elastomer composition

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Publication number Priority date Publication date Assignee Title
CN104231520A (en) * 2014-10-21 2014-12-24 广东中德电缆有限公司 Flame retardant material for flame retardant network cable
CN105566924A (en) * 2015-12-24 2016-05-11 广州合成材料研究院有限公司 Wear-resistant SEBS thermoplastic elastomer material and preparation method thereof
CN108641267A (en) * 2018-05-11 2018-10-12 东莞市通锦新材料科技有限公司 Cable material and its preparation method and application

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