CN104877227A - High-heat-stability halogen-free flame-retardant insulating material for household appliances and preparation method of high-heat-stability halogen-free flame-retardant insulating material - Google Patents

High-heat-stability halogen-free flame-retardant insulating material for household appliances and preparation method of high-heat-stability halogen-free flame-retardant insulating material Download PDF

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Publication number
CN104877227A
CN104877227A CN201510285471.6A CN201510285471A CN104877227A CN 104877227 A CN104877227 A CN 104877227A CN 201510285471 A CN201510285471 A CN 201510285471A CN 104877227 A CN104877227 A CN 104877227A
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parts
free flame
insulating material
halogen
heat
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CN201510285471.6A
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Inventor
王喜东
肖春华
郜海文
周建军
张君君
张爱华
陈玲
夏含芳
程多情
张燕
琚一雄
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Hefei Deren Electronic Devices Co Ltd
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Hefei Deren Electronic Devices Co Ltd
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Priority to CN201510285471.6A priority Critical patent/CN104877227A/en
Publication of CN104877227A publication Critical patent/CN104877227A/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
    • 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
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
    • C08L93/04—Rosin
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • 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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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Insulating Materials (AREA)

Abstract

A high-heat-stability halogen-free flame-retardant insulating material for household appliances comprises, by weight, 10-15 parts of low-density polyethylene resin, 0.3-0.4 part of vinyl tri-methoxysilane, 0.04-0.08 part of dicumyl peroxide, 0.01-0.02 part of dibutyltin dilaurate; 50-60 parts of magnesium hydrate, 60-65 parts of EVA (ethylene-vinyl acetate copolymer), 20-23 parts of high-density polyethylene resin, 6-7 parts of Mg6Al2(OH)16CO3 4H2O, 0.7-0.9 part of hydrogenated rosin, 1-1.5 parts of trioctyl trimellitate, 1-2 parts of hydroxyl silicone oil and 2-3 parts of zirconium dioxide nanotubes. The high-heat-stability halogen-free flame-retardant insulating material has the advantages that by the zirconium dioxide nanotubes and the Mg6Al2(OH)16CO3 4H2O both applied to the insulating material, a dense framework structure can be formed by particles of the insulating material and the magnesium hydrate, so that flame retardation performance of the composite material can reach FV-0 level, excellent mechanical property of the composite material can be guaranteed, and heat stability is improved greatly.

Description

A kind of Heat stability is good household electrical appliances halogen-free flame retardant insulation material and preparation method thereof
Technical field
The present invention relates to CABLE MATERIALS field, particularly relate to a kind of Heat stability is good household electrical appliances halogen-free flame retardant insulation material and preparation method thereof.
Background technology
The halogen-free flameproof of CABLE MATERIALS is the focus of CABLE MATERIALS flame retardant area research in recent years, but because halogen-free flame retardants flame retarding efficiency is low, with matrix poor compatibility, the therefore problem of non-halogen flame-retardant cable ubiquity poor mechanical property, makes non-halogen flame-retardant cable be difficult to apply.Ethylene-vinyl acetate copolymer (EVA) is the new lover of electric wire plastic applications, it has good flexibility, shock-resistance, environmental stress crack resistance in wide temperature range, as CABLE MATERIALS matrix, halogen-free flameproof is carried out to it using EVA, and the mechanical property improving fire-retardant rear CABLE MATERIALS makes it meet the technical property requirements of low-smoke zero-halogen flame-retardant cable sheath, for applying of fireproofing cable material without halide, there is very large value.
As halogen-free flame retardants, halogen-free flameproof is carried out to EVA using composite to 50 parts of magnesium hydroxides (MH) and 8 parts of microencapsulated powder oil (RP), the vertical combustion rank of the halogen-free flame-retardant composite material obtained reaches FV-0 level, oxygen index is more than 30%, but the mechanical property of matrix material is poor, especially the numerical difference required in tensile strength and elongation at break and YD/T1113-2001 standard, apart from comparatively large, can not meet service requirements.Therefore the performance of CABLE MATERIALS is required further improvement.
At present, the CABLE MATERIALS on market also also exists not damage resistant, not fold resistant, and there is white impression, loss of properties on aging in afterwards folding or collision rift cable surface, water-fast, oil resistant, the problem such as wear no resistance, and affects security and work-ing life that household electrical appliances use, require further improvement.
Summary of the invention
The object of the present invention is to provide a kind of Heat stability is good household electrical appliances halogen-free flame retardant insulation material, this Insulation Material can not only can make the flame retardant properties of matrix material reach FV-0 level, can also ensure the mechanical property that matrix material is excellent, thermostability is greatly improved.
Technical scheme of the present invention is as follows:
A kind of Heat stability is good household electrical appliances halogen-free flame retardant insulation material, is characterized in that being made up of the raw material of following weight part: ldpe resin 10-15, vinyltrimethoxy silane 0.3-0.4, dicumyl peroxide 0.04-0.08, di-n-butyltin dilaurate 0.01-0.02, magnesium hydroxide 50-60, EVA60-65, high-density polyethylene resin 20-23, Mg6Al2 (OH) 16CO3 4H2O 6-7, staybelite 0.7-0.9, tri trimellitate (2-ethyl hexyl) ester 1-1.5, hydroxy silicon oil 1-2, Nano tube of zirconium dioxide 2-3.
The production method of described Heat stability is good household electrical appliances halogen-free flame retardant insulation material, is characterized in that:
(1) ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, Mg6Al2 (OH) 16CO3 4H2O, tri trimellitate (2-ethyl hexyl) ester, magnesium hydroxide are sent into mixer, 100-120 DEG C, mix 8-10 minute under the speed of 900-1000 rev/min, send into dual-screw-stem machine again, 140-145 DEG C, extrude under the speed of 300-400 rev/min, obtain mixture;
(2) material that (1) step obtains is crossed water for cooling, remove unnecessary moisture, pelletizing, obtain pellet;
(3) pellet (2) step obtained and EVA, high-density polyethylene resin, Nano tube of zirconium dioxide send into mixer, 80-100 DEG C, mix 3-4 minute under the speed of 800-900 rev/min, add other remaining component again, continue mixing 5-6 minute, send into dual-screw-stem machine again, at 120-140 DEG C, extruding pelletization under the speed of 300-400 rev/min, to obtain final product;
Beneficial effect of the present invention
Insulation Material of the present invention employs the raw materials such as Low Density Polyethylene and carries out cross-linking modified to inorganic fire-retarded filler, obtain the fire-retardant filler of surperficial half cross-linked state, carry out with base resin again mixing and be cross-linked, improve the consistency of fire-retardant filler and resin binder, improve the mechanical property of Insulation Material; Nano tube of zirconium dioxide and adding of Mg6Al2 (OH) 16CO3 4H2O can make its particle and magnesium hydroxide build closeer skeleton structure, the flame retardant properties of matrix material not only can be made to reach FV-0 level, can also ensure the mechanical property that matrix material is excellent, thermostability is greatly improved.
Embodiment
A kind of Heat stability is good household electrical appliances halogen-free flame retardant insulation material, is made up of the raw material of following weight part (kilogram): ldpe resin 13, vinyltrimethoxy silane 0.3, dicumyl peroxide 0.05, di-n-butyltin dilaurate 0.01, magnesium hydroxide 55, EVA63, high-density polyethylene resin 21, Mg6Al2 (OH) 16CO3 4H2O 6.5, staybelite 0.8, tri trimellitate (2-ethyl hexyl) ester 1.3, hydroxy silicon oil 1.5, Nano tube of zirconium dioxide 2.5.
The production method of described Heat stability is good household electrical appliances halogen-free flame retardant insulation material, is characterized in that:
(1) ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, Mg6Al2 (OH) 16CO3 4H2O, tri trimellitate (2-ethyl hexyl) ester, magnesium hydroxide are sent into mixer, 9 minutes are mixed under the speed of 110 DEG C, 950 revs/min, send into dual-screw-stem machine again, extrude under the speed of 143 DEG C, 350 revs/min, obtain mixture;
(2) material that (1) step obtains is crossed water for cooling, remove unnecessary moisture, pelletizing, obtain pellet;
(3) pellet (2) step obtained and EVA, high-density polyethylene resin, Nano tube of zirconium dioxide send into mixer, 4 minutes are mixed under the speed of 90 DEG C, 850 revs/min, add other remaining component again, continue mixing 6 minutes, send into dual-screw-stem machine again, extruding pelletization under the speed of 130 DEG C, 350 revs/min, to obtain final product;
Experimental data:
The tensile strength of this Insulation Material is 13.8MPa after tested, and shock strength is 35kJ/m 2, elongation at break is 148%, and oxygen index is 36, and vertical combustion rank is FV-0 level, and melt flow rate (MFR) is 4.3g/10min.

Claims (2)

1. a Heat stability is good household electrical appliances halogen-free flame retardant insulation material, is characterized in that being made up of the raw material of following weight part: ldpe resin 10-15, vinyltrimethoxy silane 0.3-0.4, dicumyl peroxide 0.04-0.08, di-n-butyltin dilaurate 0.01-0.02, magnesium hydroxide 50-60, EVA60-65, high-density polyethylene resin 20-23, Mg6Al2 (OH) 16CO3 4H2O 6-7, staybelite 0.7-0.9, tri trimellitate (2-ethyl hexyl) ester 1-1.5, hydroxy silicon oil 1-2, Nano tube of zirconium dioxide 2-3.
2. the production method of Heat stability is good household electrical appliances halogen-free flame retardant insulation material according to claim 1, is characterized in that:
(1) ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, Mg6Al2 (OH) 16CO3 4H2O, tri trimellitate (2-ethyl hexyl) ester, magnesium hydroxide are sent into mixer, 100-120 DEG C, mix 8-10 minute under the speed of 900-1000 rev/min, send into dual-screw-stem machine again, 140-145 DEG C, extrude under the speed of 300-400 rev/min, obtain mixture;
(2) material that (1) step obtains is crossed water for cooling, remove unnecessary moisture, pelletizing, obtain pellet;
(3) pellet (2) step obtained and EVA, high-density polyethylene resin, Nano tube of zirconium dioxide send into mixer, 80-100 DEG C, mix 3-4 minute under the speed of 800-900 rev/min, add other remaining component again, continue mixing 5-6 minute, send into dual-screw-stem machine again, at 120-140 DEG C, extruding pelletization under the speed of 300-400 rev/min, to obtain final product.
CN201510285471.6A 2015-05-29 2015-05-29 High-heat-stability halogen-free flame-retardant insulating material for household appliances and preparation method of high-heat-stability halogen-free flame-retardant insulating material Pending CN104877227A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122097A (en) * 2013-01-22 2013-05-29 安徽华津电缆集团有限公司 Thermoplastic low-smoke halogen-free flame-retardant environment-friendly sheath material for power cables and preparation method thereof
CN103571031A (en) * 2013-09-30 2014-02-12 芜湖航天特种电缆厂 Low-smoke environmental-friendly cable material

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103122097A (en) * 2013-01-22 2013-05-29 安徽华津电缆集团有限公司 Thermoplastic low-smoke halogen-free flame-retardant environment-friendly sheath material for power cables and preparation method thereof
CN103571031A (en) * 2013-09-30 2014-02-12 芜湖航天特种电缆厂 Low-smoke environmental-friendly cable material

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Application publication date: 20150902