CN104893086A - High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof - Google Patents

High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof Download PDF

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Publication number
CN104893086A
CN104893086A CN201510285637.4A CN201510285637A CN104893086A CN 104893086 A CN104893086 A CN 104893086A CN 201510285637 A CN201510285637 A CN 201510285637A CN 104893086 A CN104893086 A CN 104893086A
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China
Prior art keywords
insulation material
parts
halogen
insulativity
retardant
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Pending
Application number
CN201510285637.4A
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Chinese (zh)
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 CN201510285637.4A priority Critical patent/CN104893086A/en
Publication of CN104893086A publication Critical patent/CN104893086A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/441Insulators 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/062HDPE
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

Abstract

The invention relates to a high-insulativity halogen-free flame-retardant insulation material for household appliances. The high-insulativity halogen-free flame-retardant insulation material is prepared by adopting the following raw materials in parts by weight: 3 to 4 parts of calcined pottery clay, 8 to 9 parts of thermoplasticity polyimide, 5 to 6 parts of nano hydroxyl aluminum oxalate, 10 to 15 parts of low-density polyethylene resin, 0.3 to 0.4 part of vinyl trimethoxy silane, 0.04 to 0.08 part of dicumyl peroxide, 0.01 to 0.02 part of n-butyltin dilaurate, 50 to 60 parts of magnesium hydroxide, 60 to 65 parts of EVA and 20 to 23 parts of high-density polyethylene resin. According to the insulation material, inorganic flame-retardant filler is modified in a cross-linking manner by utilizing raw materials such as the low-density polyethylene, so that the compatibility of the flame-retardant filler and a resin base material is improved, and the fracturing is prevented; by utilizing the calcined pottery clay, the thermoplasticity polyimide and the nano hydroxyl aluminum oxalate, the insulation performance and the flame-retardant property of the insulation material can be improved, and the safety can be improved; and the insulation material can be used for a high-power household appliance wire harness and is long in service life and high in safety.

Description

A kind of household electrical appliances high-insulativity 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 household electrical appliances high-insulativity 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 household electrical appliances high-insulativity halogen-free flame retardant insulation material, the insulating property of this Insulation Material and flame retardant properties good, may be used for powerful wirning harness, long service life, security is high.
Technical scheme of the present invention is as follows:
A kind of household electrical appliances high-insulativity halogen-free flame retardant insulation material, is characterized in that being made up of the raw material of following weight part: calcinated argil 3-4, thermoplastic polyimide 8-9, nano-hydroxy oxalic acid aluminium 5-6, 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.
The production method of described household electrical appliances high-insulativity halogen-free flame retardant insulation material, is characterized in that:
(1) by calcinated argil, thermoplastic polyimide, the mixing of nano-hydroxy oxalic acid aluminium, be heated to thermoplastic polyimide fusing, stir, mixer is sent into again with ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, magnesium hydroxide, 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 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, prevent cracking; By using calcinated argil, thermoplastic polyimide, nano-hydroxy oxalic acid aluminium, improve insulating property and the flame retardant properties of Insulation Material, improving security; This Insulation Material may be used for powerful wirning harness, and long service life, security is high.
Embodiment
A kind of household electrical appliances high-insulativity halogen-free flame retardant insulation material, is made up of the raw material of following weight part (kilogram): calcinated argil 3.5, thermoplastic polyimide 8.5, nano-hydroxy oxalic acid aluminium 5.5, ldpe resin 13, vinyltrimethoxy silane 0.3, dicumyl peroxide 0.06, di-n-butyltin dilaurate 0.01, magnesium hydroxide 55, EVA63, high-density polyethylene resin 22.
The production method of described household electrical appliances high-insulativity halogen-free flame retardant insulation material, is characterized in that:
(1) by calcinated argil, thermoplastic polyimide, the mixing of nano-hydroxy oxalic acid aluminium, be heated to thermoplastic polyimide fusing, stir, mixer is sent into again with ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, magnesium hydroxide, 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 140 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 send into mixer, 3 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 17.5MPa after tested, and shock strength is 37kJ/m 2, elongation at break is 158%, and oxygen index is 34, and vertical combustion rank is FV-0 level, and melt flow rate (MFR) is 4.1g/10min.

Claims (2)

1. a household electrical appliances high-insulativity halogen-free flame retardant insulation material, is characterized in that being made up of the raw material of following weight part: calcinated argil 3-4, thermoplastic polyimide 8-9, nano-hydroxy oxalic acid aluminium 5-6, 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.
2. the production method of household electrical appliances high-insulativity halogen-free flame retardant insulation material according to claim 1, is characterized in that:
(1) by calcinated argil, thermoplastic polyimide, the mixing of nano-hydroxy oxalic acid aluminium, be heated to thermoplastic polyimide fusing, stir, mixer is sent into again with ldpe resin, vinyltrimethoxy silane, dicumyl peroxide, di-n-butyltin dilaurate, magnesium hydroxide, 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 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.
CN201510285637.4A 2015-05-29 2015-05-29 High-insulativity halogen-free flame-retardant insulation material for household appliances and preparation method thereof Pending CN104893086A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105237864A (en) * 2015-09-30 2016-01-13 滁州优胜高分子材料有限公司 EVA flame-retardation composite material and preparation method thereof
CN107424674A (en) * 2017-04-27 2017-12-01 成都新三电线厂 The polyolefin cable of anti-high fever
CN113667211A (en) * 2021-08-31 2021-11-19 中广核高新核材科技(苏州)有限公司 Micro-crosslinked radiation-resistant flame-retardant cable sheath material and preparation thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942141A (en) * 2009-07-10 2011-01-12 广东华声电器实业有限公司 Low-smoke halogen-free flame retardant cable material and preparation method thereof
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101942141A (en) * 2009-07-10 2011-01-12 广东华声电器实业有限公司 Low-smoke halogen-free flame retardant cable material and preparation method thereof
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105237864A (en) * 2015-09-30 2016-01-13 滁州优胜高分子材料有限公司 EVA flame-retardation composite material and preparation method thereof
CN107424674A (en) * 2017-04-27 2017-12-01 成都新三电线厂 The polyolefin cable of anti-high fever
CN113667211A (en) * 2021-08-31 2021-11-19 中广核高新核材科技(苏州)有限公司 Micro-crosslinked radiation-resistant flame-retardant cable sheath material and preparation thereof

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Application publication date: 20150909