CN103524865A - Nano-modified low-shrinkage low-smoke halogen-free flame-retardant polyolefin cable material - Google Patents

Nano-modified low-shrinkage low-smoke halogen-free flame-retardant polyolefin cable material Download PDF

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CN103524865A
CN103524865A CN201310460261.7A CN201310460261A CN103524865A CN 103524865 A CN103524865 A CN 103524865A CN 201310460261 A CN201310460261 A CN 201310460261A CN 103524865 A CN103524865 A CN 103524865A
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low
smoke halogen
cable material
polyolefin cable
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CN103524865B (en
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何成龙
何源
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JIANGSU XINDE MOLECULE MATERIAL CO., LTD.
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Wuhu Spaceflight Special Cable Factory Co Ltd
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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
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • 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
    • 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
    • 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
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
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  • Organic Insulating Materials (AREA)

Abstract

The invention provides a nano-modified low-shrinkage low-smoke halogen-free flame-retardant polyolefin cable material prepared from the following raw materials in parts by weight: 20-30 parts of EVA resin, 30-40 parts of MLLDPE resin, 10-20 parts of a thermoplastic polyurethane elastomer, 1.0-2.5 parts of chlorinated polyethylene, 10-15 parts of high pressure polyethylene, 8-10 parts of epoxidized soybean oil, 30-40 parts of aluminum hydroxide, 10-20 parts of aluminum hypophosphite, 5-6 parts of nano jade powder, 1-2 parts of an antioxidant 168, 1-2 parts of phosphate ester, 1.0-2.0 parts of PE wax, 1-2 parts of ascorbic acid, and 10-13 parts of a modified filler. The epoxidized soybean oil is a maleic anhydride grafted compound of ethylene and methyl acrylate monomer copolymer. Compared with an ordinary low-smoke halogen-free flame-retardant polyolefin cable material, the nano-modified low-shrinkage low-smoke halogen-free flame-retardant polyolefin cable material enhances heat and aging resistance, greatly improves the shrinkage performance of products, and eliminates the problem that a low-smoke halogen-free polyolefin cable material is prone to shrinkage at a high temperature.

Description

The low contraction low smoke halogen-free fire retardant polyolefin cable material of a kind of nano modification
Technical field
The present invention relates to CABLE MATERIALS field, be specifically related to low contraction low smoke halogen-free fire retardant polyolefin cable material of a kind of nano modification and preparation method thereof.
Background technology
Fast development along with global economy, and the enhancing of mankind's environmental consciousness, each field is more and more higher to the requirement of the quality and performance of electric wire, because of the aging fire causing of electric wire, cable also more and more, how to reduce the incidence of fire and presence of fire time mortality ratio, low cigarette, Halogen, the developing direction that fire-retardant, environmental protection also becomes wires and cables industry.Wherein the demand of halide-free low-smoke fireproof cable material is increasing, the production of halide-free low-smoke fireproof cable material is in polyolefin substrate, to add a large amount of magnesium hydroxides or magnesium hydroxide to reach flame retardant effect mostly at present, yet, adding of a large amount of inorganic materials, affected physical and mechanical properties and the process industrial art performance of CABLE MATERIALS, poor, oil-proofness of softness, weathering resistance, resistance to low temperature are not fine at normal temperatures for they.
Summary of the invention
The invention provides low contraction low smoke halogen-free fire retardant polyolefin cable material of a kind of nano modification and preparation method thereof.
The technical solution used in the present invention is:
The low contraction low smoke halogen-free fire retardant polyolefin cable material of a kind of nano modification, it is characterized in that: the raw material by following weight part is made: EVA resin 20-30, MLLDPE resin 30-40, Polyurethane Thermoplastic Elastomer 10-20, chlorinatedpolyethylene 1.0-2.5, high-pressure polyethylene 10-15, epoxy soybean oil 8-10, aluminium hydroxide 30-40, hypo-aluminum orthophosphate 10-20, nanometer jade powder 5-6, irgasfos 168 1-2, phosphoric acid ester 1-2, PE wax 1.0-2.0, xitix 1-2, modified filler 10-13, described epoxy soybean oil is the maleic anhydride grafts of ethene and methacrylate monomer multipolymer.
The low contraction low smoke halogen-free fire retardant polyolefin cable material of described nano modification, it is characterized in that, by the component raw material preparation of following weight part, obtained: EVA resin 25, MLLDPE resin 35, Polyurethane Thermoplastic Elastomer 18, chlorinatedpolyethylene 1.5, high-pressure polyethylene 13, epoxy soybean oil 9, aluminium hydroxide 36, hypo-aluminum orthophosphate 16, nanometer jade powder 5, irgasfos 168 2, phosphoric acid ester 2, PE wax 1.0, xitix 2, modified filler 12, described epoxy soybean oil is the maleic anhydride grafts of ethene and methacrylate monomer multipolymer.
The low contraction low smoke halogen-free fire retardant polyolefin cable material of described nano modification, is characterized in that, described modified filler is to be prepared and obtained by following method:
Zeolite is calcined to 3-4 hour at 500-550 ℃, after taking-up, add in the sodium hydroxide solution of 3-4% and grind 1-2 hour, then, the hydrochloric acid soln that adds 12-15%, adjusting pH value is 4-5, ageing 10-15 hour, it is neutral that repeated hydrogenation sodium hydroxide solution regulates lapping liquid pH, filter, oven dry obtains filler powder, then, in gained powder, add the santal essential oil that is equivalent to powder weight 1-2%, 4-5% nanometer jade powder, the zinc palmitate of 1-2%, the calcium stearate of 1-2%, common grinding after 1-2 hour, add again the Union carbide A-162 that is equivalent to powder weight 2-3%, 2-3% polyethylene glycol 6000, the morpholine of 2-3%, the high speed dispersion of 10000-13000 rev/min is even, obtain.
By formula rate, take each component raw material, the component raw material by taking stirs in high-speed mixer, again under the temperature range of 140-170 ℃ through Banbury mixer banburying, twin-screw extrusion, the fervent granulation of flour milling, cyclopneumatic separator feeding, then bolting pack, and makes CABLE MATERIALS finished product.
Beneficial effect
The present invention compares with common low smoke halogen-free fire retardant polyolefin cable material, has promoted heat aging property, has greatly improved the shrinkage of product, has eliminated the problem that low-smoke halogen-free polyolefin cable material at high temperature easily shrinks.
Embodiment
The low contraction low smoke halogen-free fire retardant polyolefin cable material of nano modification, by the raw material of following weight (kg), made:
EVA resin 25, MLLDPE resin 35, Polyurethane Thermoplastic Elastomer 18, chlorinatedpolyethylene 1.5, high-pressure polyethylene 13, epoxy soybean oil 9, aluminium hydroxide 36, hypo-aluminum orthophosphate 16, nanometer jade powder 5, irgasfos 168 2, phosphoric acid ester 2, PE wax 1.0, xitix 2, modified filler 12, wherein, epoxy soybean oil is the maleic anhydride grafts of ethene and methacrylate monomer multipolymer
The preparation method of CABLE MATERIALS of the present invention:
By formula rate, take each component raw material, the component raw material by taking stirs in high-speed mixer, again under the temperature range of 140-170 ℃ through Banbury mixer banburying, twin-screw extrusion, the fervent granulation of flour milling, cyclopneumatic separator feeding, then bolting pack, and makes CABLE MATERIALS finished product.
Wherein, modified filler is to be prepared and obtained by following method:
Zeolite is calcined 4 hours at 520 ℃, after taking-up, add in 4% sodium hydroxide solution and grind 1.5 hours, then, add 15% hydrochloric acid soln, regulating pH value is 4, ageing 12 hours, it is neutral that repeated hydrogenation sodium hydroxide solution regulates lapping liquid pH, filter, oven dry obtains filler powder, then, in gained powder, add the santal essential oil that is equivalent to powder weight 1%, 4.5% nanometer jade powder, 2% zinc palmitate, 1% calcium stearate, common grinding after 2 hours, add again the Union carbide A-162 that is equivalent to powder weight 3%, 2% polyethylene glycol 6000, 2% morpholine, the high speed dispersion of 10000-13000 rev/min is even, obtain.。
The performance test results of the CABLE MATERIALS that the present embodiment makes is as following table:
Figure BDA0000391101550000031

Claims (3)

1. the low contraction low smoke halogen-free fire retardant polyolefin cable material of nano modification, it is characterized in that: the raw material by following weight part is made: EVA resin 20-30, MLLDPE resin 30-40, Polyurethane Thermoplastic Elastomer 10-20, chlorinatedpolyethylene 1.0-2.5, high-pressure polyethylene 10-15, epoxy soybean oil 8-10, aluminium hydroxide 30-40, hypo-aluminum orthophosphate 10-20, nanometer jade powder 5-6, irgasfos 168 1-2, phosphoric acid ester 1-2, PE wax 1.0-2.0, xitix 1-2, modified filler 10-13, described epoxy soybean oil is the maleic anhydride grafts of ethene and methacrylate monomer multipolymer.
2. the low contraction low smoke halogen-free fire retardant polyolefin cable material of nano modification according to claim 1, it is characterized in that, by the component raw material preparation of following weight part, obtained: EVA resin 25, MLLDPE resin 35, Polyurethane Thermoplastic Elastomer 18, chlorinatedpolyethylene 1.5, high-pressure polyethylene 13, epoxy soybean oil 9, aluminium hydroxide 36, hypo-aluminum orthophosphate 16, nanometer jade powder 5, irgasfos 168 2, phosphoric acid ester 2, PE wax 1.0, xitix 2, modified filler 12, described epoxy soybean oil is the maleic anhydride grafts of ethene and methacrylate monomer multipolymer.
3. the low contraction low smoke halogen-free fire retardant polyolefin cable material of nano modification according to claim 1 and 2, is characterized in that, described modified filler is to be prepared and obtained by following method:
Zeolite is calcined to 3-4 hour at 500-550 ℃, after taking-up, add in the sodium hydroxide solution of 3-4% and grind 1-2 hour, then, the hydrochloric acid soln that adds 12-15%, adjusting pH value is 4-5, ageing 10-15 hour, it is neutral that repeated hydrogenation sodium hydroxide solution regulates lapping liquid pH, filter, oven dry obtains filler powder, then, in gained powder, add the santal essential oil that is equivalent to powder weight 1-2%, 4-5% nanometer jade powder, the zinc palmitate of 1-2%, the calcium stearate of 1-2%, common grinding after 1-2 hour, add again the Union carbide A-162 that is equivalent to powder weight 2-3%, 2-3% polyethylene glycol 6000, the morpholine of 2-3%, the high speed dispersion of 10000-13000 rev/min is even, obtain.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104387648A (en) * 2014-11-11 2015-03-04 合肥皖为电气设备工程有限责任公司 Flame-retardant dielectric substrate material for printed circuit
CN104893063A (en) * 2015-03-26 2015-09-09 苏州市德莱尔建材科技有限公司 Flame retardant LDPE masterbatch and preparation method thereof
CN106336646A (en) * 2016-08-30 2017-01-18 新亚特电缆股份有限公司 Flame-retardant weather-resistant PTC cable material and preparation method
CN106700221A (en) * 2017-01-03 2017-05-24 金华春光橡塑科技股份有限公司 Metallocene linear low-density polyethylene-containing rubber plastic hose material
CN107236283A (en) * 2017-07-25 2017-10-10 合肥达户电线电缆科技有限公司 A kind of anti-aging cable sheath material and preparation method thereof
CN107286487A (en) * 2017-08-01 2017-10-24 合肥安力电力工程有限公司 A kind of low thermal shrinkage cable jacket material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1501961A (en) * 2001-04-05 2004-06-02 住友化学工业株式会社 Thermoplastic elastomer composition and molded object thereof
CN101127257A (en) * 2006-07-19 2008-02-20 住友电气工业株式会社 Flexible flat cable
WO2012174712A1 (en) * 2011-06-21 2012-12-27 Dow Global Technologies Llc Halogen-free flame-retardant polymer composition comprising piperazine based intumescent flame retardant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1501961A (en) * 2001-04-05 2004-06-02 住友化学工业株式会社 Thermoplastic elastomer composition and molded object thereof
CN101127257A (en) * 2006-07-19 2008-02-20 住友电气工业株式会社 Flexible flat cable
WO2012174712A1 (en) * 2011-06-21 2012-12-27 Dow Global Technologies Llc Halogen-free flame-retardant polymer composition comprising piperazine based intumescent flame retardant

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104387648A (en) * 2014-11-11 2015-03-04 合肥皖为电气设备工程有限责任公司 Flame-retardant dielectric substrate material for printed circuit
CN104893063A (en) * 2015-03-26 2015-09-09 苏州市德莱尔建材科技有限公司 Flame retardant LDPE masterbatch and preparation method thereof
CN106336646A (en) * 2016-08-30 2017-01-18 新亚特电缆股份有限公司 Flame-retardant weather-resistant PTC cable material and preparation method
CN106700221A (en) * 2017-01-03 2017-05-24 金华春光橡塑科技股份有限公司 Metallocene linear low-density polyethylene-containing rubber plastic hose material
CN107236283A (en) * 2017-07-25 2017-10-10 合肥达户电线电缆科技有限公司 A kind of anti-aging cable sheath material and preparation method thereof
CN107286487A (en) * 2017-08-01 2017-10-24 合肥安力电力工程有限公司 A kind of low thermal shrinkage cable jacket material and preparation method thereof

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