CN106750849A - Thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique - Google Patents

Thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique Download PDF

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Publication number
CN106750849A
CN106750849A CN201611041713.8A CN201611041713A CN106750849A CN 106750849 A CN106750849 A CN 106750849A CN 201611041713 A CN201611041713 A CN 201611041713A CN 106750849 A CN106750849 A CN 106750849A
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China
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free
mixed
antioxidant
low
retardant polyolefin
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CN201611041713.8A
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Chinese (zh)
Inventor
蔡可建
黄宏才
张海波
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Rugao Zhongru Chemical Co Ltd
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Rugao Zhongru Chemical Co Ltd
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Priority to CN201611041713.8A priority Critical patent/CN106750849A/en
Publication of CN106750849A publication Critical patent/CN106750849A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853—Vinylacetate
    • 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
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • 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)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The present invention relates to a kind of thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique.Its raw material is as follows：EVA90 110, Al (OH)3235 255, POE8 12, MPe25 35, antioxidant 2.0 2.6, grafted material 25 32, dispersant 1 2.5, color masterbatch 3 4.5, silicone masterbatch 25；Above raw material by following technique productions, first Al (OH)3, antioxidant, dispersant be pre-mixed by batch mixer；Mixed material is added batch mixer together with remaining raw material again, mixed at high speed is carried out；Material feeding banbury after mixed at high speed is carried out banburying, temperature reaches 130 DEG C and is just sent in extruder, is extruded material base into strips, and strip material base is sent in pelleter, carries out pelletizing, final granule carry out it is air-cooled, vacuumize packaging.Advantage is reasonable in design, perfect technology, and low cost, product fire resistance is good, is resisted cold, and meets the market demand.

Description

Thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique
Technical field
The present invention relates to cable material technology field, and in particular to a kind of thermoplastic halogen-free and low-smoke flame-retardant polyolefin CABLE MATERIALS Recipe.
Background technology
Polymer used by current electric wire is mostly PVC or the polymer containing halogen based flame retardant, is with polyethylene Example, used as one of big general-purpose plastics in the world five, polyethylene has light weight, nontoxic, cheap, resistant to chemical etching strong, while plus The features such as work convenient formation, but its limited oxygen index is only 18, is easily burnt in heat and discharge process, and containing halogen Polymeric material forms the toxic smog of black in burning, while discharging halogen derivative chemicals, gives fire rescue work Unprecedented difficulty is brought, while also polluting environment, fire is serious in recent years, and electric wire is to cause fire One of principal element, the defect in polyolefin based materials fire resistance limits its application, it is therefore desirable to which it is hindered Combustion is modified, in recent years, in view of the consideration in terms of environmental protection and human health, low-smoke and avirulent halogen-free flame retardants gradually generation Halogen containing flame-retardant is replaced, wherein the presence or absence of conventional machine hydroxide, such as magnesium hydroxide and aluminium hydroxide is widely used, but polyene Hydrocarbon material will reach satisfied fire resistance, and the addition of hydroxide is big, because interface compatibility is poor, influences the mechanics of material Performance and processing characteristics, so needing to improve the combination property of current material.The CABLE MATERIALS that also some cold zones need will Can cold-resistant, it is used below in 40 degrees below zero, but at present product, reach the high cost of requirement, the effect of low cost is not reached, It is not durable.
The content of the invention
In order to solve the above problems, the present invention proposes a kind of thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula work Skill, reasonable in design, perfect technology, low cost, product fire resistance is good, resists cold, and meets the market demand.
Technical scheme：
A kind of thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique, its raw material is as follows：
EVA 90-110；
Al(OH)3235-255；
POE 8-12；
MPe 25-35；
Antioxidant 2.0-2.6；
Grafted material 25-32；
Dispersant 1-2.5；
Color masterbatch 3-4.5；
Silicone masterbatch 2-5.
Above raw material by following technique productions, first Al (OH)3, antioxidant, dispersant mixed in advance by batch mixer Close 4-6 minutes, 60-80 DEG C of temperature；Mixed material is added batch mixer together with remaining raw material again, mixed at high speed is carried out, until Temperature reaches 110 DEG C；Material feeding banbury after mixed at high speed is carried out banburying, temperature reaches 130 DEG C and is just sent in extruder, Material base into strips is extruded, temperature is maintained between 110-140 DEG C, strip material base is sent in pelleter, carried out pelletizing, finally Particle carry out it is air-cooled, vacuumize packaging.
Described raw material optimum weight of the invention part is as follows：
EVA 100；
Al(OH)3250；
POE 10；
MPe 32；
Antioxidant 2.4；
Grafted material 28；
Dispersant 2；
Color masterbatch 4；
Silicone masterbatch 4.
Described EVA is ethylene-vinyl acetate copolymer；Al(OH)3It is halogen-free flame retardants；POE is metallocene catalyst Ethene and octene realize the thermoplastic elastomer (TPE) of in-situ polymerization；MPe is metallocene PE.
Described dispersant is organosilicone spreading agent.
Described antioxidant is one kind of antioxidant 1010 or antioxidant DSTP, or two kinds of combination.
Described grafted material is the LLDPE of maleic anhydride grafting, the ethylene vinyl acetate second of maleic anhydride grafting Alkene copolymer or polyolefin elastomer.
It is an advantage of the invention that reasonable in design, perfect technology, low cost, product fire resistance is good, resists cold, and meets market need Ask.
Specific embodiment
Embodiment 1, first Al (OH)3235kg, antioxidant 2.0kg, dispersant 1kg are pre-mixed 6 points by batch mixer Clock, temperature 60 C；Again mixed material and remaining raw material（EVA110kg, POE12kg, grafted material 32kg, color masterbatch 3.5kg, silicone Masterbatch 4kg）High speed mixer is added together, mixed at high speed is carried out, until temperature reaches 110 DEG C；Material after mixed at high speed is sent Entering banbury carries out banburying, and temperature reaches 130 DEG C and is just sent in extruder, is extruded material base into strips, and temperature is maintained at 140 Between DEG C, strip material base is sent in pelleter, carries out pelletizing, final granule carry out it is air-cooled, vacuumize packaging, obtain product cable Material can be used with subzero 42 DEG C, and fire resistance is good, product colour black, uniform color, non-variegation, green tensile intensity 12.5MPa, original broken elongation 227%；Product is after air -oven thermal aging test（100 DEG C, 168h）, tensile strength 12.5 MPa, tensile strength rate of change 1.5%, elongation at break 206%, elongation at break rate of change -7%；Thermal deformation（90 DEG C, 4h）6.8%；Impact brittle temperature（-25℃）Rupture number/sample number be 0/30；Smoke density, is 235 without smoke index, has cigarette to refer to Number is 41；Oxygen index (OI) is 38%.
Embodiment 2, first Al (OH)3250kg, antioxidant 2.4kg, dispersant 2kg are pre-mixed 4 points by batch mixer Clock, 80 DEG C of temperature；Again mixed material and remaining raw material（EVA100kg, POE10kg, grafted material 28kg, color masterbatch 4kg, silicone are female Material 4kg）High speed mixer is added together, mixed at high speed is carried out, until temperature reaches 110 DEG C；The material feeding after mixed at high speed Banbury carries out banburying, and temperature reaches 130 DEG C and is just sent in extruder, is extruded material base into strips, and temperature is maintained at 118 DEG C Between, strip material base is sent in pelleter, carries out pelletizing, final granule carry out it is air-cooled, vacuumize packaging, obtain product CABLE MATERIALS Can be used with subzero 42 DEG C, fire resistance is good, product colour black, uniform color, non-variegation, green tensile intensity 12.4MPa, Original broken elongation 226%；Product is after air -oven thermal aging test（100 DEG C, 168h）, the MPa of tensile strength 12.6, drawing Stretch change rate of strength 1.6%, elongation at break 204%, elongation at break rate of change -9.7%；Thermal deformation（90 DEG C, 4h）6.5%；Punching Hit brittle temperature（-25℃）Rupture number/sample number be 0/30；Smoke density, is 230 without smoke index, and it is 39.9 to have smoke index；Oxygen Index is 37.2%.
Embodiment 3, first Al (OH)3255kg, antioxidant 2.6kg, dispersant 2.5kg are pre-mixed 5 by batch mixer Minute, temperature 70 C；Again mixed material and remaining raw material（EVA90kg, POE8kg, grafted material 25kg, color masterbatch 4.5kg, silicone Masterbatch 5kg）High speed mixer is added together, mixed at high speed is carried out, until temperature reaches 110 DEG C；Material after mixed at high speed is sent Entering banbury carries out banburying, and temperature reaches 130 DEG C and is just sent in extruder, is extruded material base into strips, and temperature is maintained at 130 Between DEG C, strip material base is sent in pelleter, carries out pelletizing, final granule carry out it is air-cooled, vacuumize packaging, obtain product cable Material can be used with subzero 42 DEG C, and fire resistance is good, product colour black, uniform color, non-variegation, green tensile intensity 12.5MPa, original broken elongation 227%；Product is after air -oven thermal aging test（100 DEG C, 168h）, tensile strength 12.6 MPa, tensile strength rate of change 1.8%, elongation at break 202%, elongation at break rate of change -8.6%；Thermal deformation（90 DEG C, 4h）7%；Impact brittle temperature（-25℃）Rupture number/sample number be 0/30；Smoke density, is 239 without smoke index, there is smoke index It is 43；Oxygen index (OI) is 36.3%.

Claims (6)

1. kind of thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique, it is characterised in that its raw material is as follows：
EVA 90-110,
Al(OH)3 235-255,
POE 8-12
MPe 25-35,
Antioxidant 2.0-2.6,
Grafted material 25-32,
Dispersant 1-2.5,
Color masterbatch 3-4.5,
Silicone masterbatch 2-5；
Above raw material by following technique productions, first Al (OH)3, antioxidant, dispersant 4-6 is pre-mixed by batch mixer Minute, 60-80 DEG C of temperature；Mixed material is added batch mixer together with remaining raw material again, mixed at high speed is carried out, until temperature reaches To 110 DEG C；Material feeding banbury after mixed at high speed is carried out banburying, temperature reaches 130 DEG C and is just sent in extruder, squeezed Go out material base into strips, temperature is maintained between 110-140 DEG C, strip material base is sent in pelleter, carry out pelletizing, final granule enters Sector-style is cold, vacuumize packaging.
2. thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique according to claim 1, it is characterized in that described Parts by weight of raw materials it is as follows：
EVA 100,
Al(OH)3 250,
POE 10,
MPe 32,
Antioxidant 2.4,
Grafted material 28,
Dispersant 2,
Color masterbatch 4,
Silicone masterbatch 4.
3. thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique according to claim 1 and 2, it is characterized in that institute The EVA for stating is ethylene-vinyl acetate copolymer；Al(OH)3It is halogen-free flame retardants；POE is the ethene and octene of metallocene catalyst Realize the thermoplastic elastomer (TPE) of in-situ polymerization；MPe is metallocene PE.
4. thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique according to claim 1 and 2, it is characterized in that institute The dispersant stated is organosilicone spreading agent.
5. thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique according to claim 1 and 2, it is characterized in that institute The antioxidant stated is one kind of antioxidant 1010 or antioxidant DSTP, or two kinds of combination.
6. thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique according to claim 1 and 2, it is characterized in that institute The grafted material stated be maleic anhydride grafting LLDPE, maleic anhydride grafting ethylene-vinyl acetate copolymer or Polyolefin elastomer.
CN201611041713.8A 2016-11-24 2016-11-24 Thermoplastic halogen-free and low-smoke flame-retardant polyolefin cable material formula technique Pending CN106750849A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109401011A (en) * 2018-10-29 2019-03-01 江苏达胜高聚物股份有限公司 A kind of flame-proof cable material and preparation method thereof
CN110776710A (en) * 2019-12-04 2020-02-11 江西南缆集团有限公司 Silane crosslinking low-smoke halogen-free flame-retardant cable material with low casting amount at die orifice

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105348630A (en) * 2015-11-30 2016-02-24 成都鑫成鹏线缆材料有限公司 Thermoplastic non-halogen low-smoke flame-resistant material with high oxygen index and strong self-extinguishing property for electric wire and cable and preparation method of material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105348630A (en) * 2015-11-30 2016-02-24 成都鑫成鹏线缆材料有限公司 Thermoplastic non-halogen low-smoke flame-resistant material with high oxygen index and strong self-extinguishing property for electric wire and cable and preparation method of material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109401011A (en) * 2018-10-29 2019-03-01 江苏达胜高聚物股份有限公司 A kind of flame-proof cable material and preparation method thereof
CN110776710A (en) * 2019-12-04 2020-02-11 江西南缆集团有限公司 Silane crosslinking low-smoke halogen-free flame-retardant cable material with low casting amount at die orifice

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Application publication date: 20170531