WO2019080540A1 - Matériau isolant de rainure ignifuge sans halogène et résistant à l'huile de boîte de vitesses destiné à un moteur de véhicule électrique et application correspondante - Google Patents

Matériau isolant de rainure ignifuge sans halogène et résistant à l'huile de boîte de vitesses destiné à un moteur de véhicule électrique et application correspondante

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Publication number
WO2019080540A1
WO2019080540A1 PCT/CN2018/094926 CN2018094926W WO2019080540A1 WO 2019080540 A1 WO2019080540 A1 WO 2019080540A1 CN 2018094926 W CN2018094926 W CN 2018094926W WO 2019080540 A1 WO2019080540 A1 WO 2019080540A1
Authority
WO
WIPO (PCT)
Prior art keywords
retardant
halogen
free flame
insulating material
glue
Prior art date
Application number
PCT/CN2018/094926
Other languages
English (en)
Chinese (zh)
Inventor
徐伟红
李永让
周成
夏宇
徐芳
Original Assignee
苏州巨峰电气绝缘系统股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 苏州巨峰电气绝缘系统股份有限公司 filed Critical 苏州巨峰电气绝缘系统股份有限公司
Publication of WO2019080540A1 publication Critical patent/WO2019080540A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/56—Insulating bodies
    • H01B17/60—Composite insulating bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B32B27/285—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/04—Non-macromolecular additives inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02—Non-macromolecular additives
    • C09J11/06—Non-macromolecular additives organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
    • C09J175/04—Polyurethanes
    • 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
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
    • H01B3/082—Wires with glass or glass wool
    • 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
    • H01B3/40—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 epoxy resins
    • 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
    • H01B3/42—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 polyesters; polyethers; polyacetals
    • H01B3/427—Polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/322—Ammonium phosphate
    • C08K2003/323—Ammonium polyphosphate
    • 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
    • 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

Definitions

  • the present application belongs to the field of composite insulating materials, and relates to an insulating material, in particular to a gearbox oil-free halogen-free flame retardant groove insulating material for an electric vehicle motor and an application thereof.
  • Polyester film polyarylene fiber paper composite is made by bonding two-sided NOMEX TM poly-aramid paper with polyester film, which combines good flexibility, excellent mechanical strength, dielectric properties and NOMEX TM paper. Good tear strength and paint absorbing ability, it is a reliable heat-resistant Class F motor insulation material. That is, the polyester film polyarylene fiber paper composite material is used for the inter-slot insulation of the class F motor and the generator, and can also be used as the interlayer, space insulation and ground insulation of the dry type transformer.
  • the existing composite materials usually use PU glue, and the product has a dry glue content of 5-10g/m 2 , but its heat resistance grade is only F grade, the bond strength is not high enough, it is not resistant to gearbox oil, and it does not have flame retardant. performance.
  • the purpose of the present application is to provide a F, H-class slot insulating material for a transmission-free box oil halogen-free flame retardant for an electric vehicle motor in order to overcome the deficiencies of the prior art.
  • a halogen-free flame-retardant F and H-level slot insulating material for an electric vehicle motor which comprises a first woven glass cloth, a polyphenylene sulfide film and a first layer which are sequentially stacked.
  • the composite adhesive comprises a PU glue, an epoxy glue and a halogen-free flame retardant, and the mass ratio of the PU glue, the halogen-free flame retardant and the epoxy glue is 8-10:0.5-2:1;
  • the epoxy The glue comprises a modified epoxy resin and an epoxy resin curing agent, and the mass ratio thereof is 4-8:1.
  • the composite rubber is a mixture of PU glue, epoxy glue and halogen-free flame retardant.
  • the modified epoxy resin is composed of a liquid epoxy resin and a solid epoxy resin in a mass ratio of 0.5 to 2:1.
  • the epoxy resin curing agent is a mixture of one or more selected from the group consisting of aromatic diamine curing agents.
  • the composite adhesive is first diluted with a solvent, and then coated or impregnated on the surface of the high temperature resistant, corrosion resistant and intrinsically flame retardant polyphenylene sulfide film, and then placed in an oven to remove the solvent by heating.
  • the solvent is a mixture of one or more selected from the group consisting of ethyl acetate, methyl ethyl ketone, and acetone.
  • a further object of the present application is to provide an anti-velocity oil-free flame-retardant F and H-slot insulating material for a motor vehicle electric motor as described above for use in a motor winding coil and an electric appliance.
  • the transmission-resistant oil of the electric vehicle motor of the present application is halogen-free flame-retardant F, H-slot insulating material, and adopts a glass cloth and a polyphenylene sulfide film.
  • F flame-retardant
  • H-slot insulating material adopts a glass cloth and a polyphenylene sulfide film.
  • a composite rubber composed of a PU resin, an epoxy glue, a halogen-free flame retardant and an epoxy resin curing agent of a specific mass ratio is used.
  • the obtained F and H grade slot insulating materials have many advantages such as high crosslink density, transmission oil resistance, good flame retardancy and high mechanical strength.
  • the gearbox oil-free flame-retardant F, H-slot insulating material of the electric vehicle motor of the present application comprises a first woven glass cloth, a polyphenylene sulfide film and a second woven glass cloth which are sequentially stacked, the first Bonding between the woven glass cloth and the polyphenylene sulfide film and between the polyphenylene sulfide film and the second woven glass cloth by a composite glue, wherein the composite glue comprises a PU glue and a ring Oxygen glue and halogen-free flame retardant, the mass ratio of the PU glue, the halogen-free flame retardant and the epoxy glue is 8-10:0.5-2:1; the epoxy glue comprises a modified epoxy resin and a ring
  • the oxygen resin curing agent has a mass ratio of 4 to 8:1.
  • the above PU glue can be conventionally used, and it can usually be a mixture of Henkel Liofol UR 2716 and curing agent UK 5500 in a mass ratio of 5-8:1, or a Bobbin PURBINDER AP1387 and a curing agent Fardener Z by mass. The ratio is 6 to 9:1.
  • the epoxy resin curing agent is a mixture of one or more selected from the group consisting of aromatic diamine curing agents, including diaminodiphenyl sulfone (DDS) and diamino group II. Benzene methane (DDM), m-phenylenediamine (mPDA), 4,4' diaminodiphenyl ether (DDE) and p-xylyleneamine (DMB).
  • the modified epoxy resin is composed of a conventional liquid epoxy resin (such as E-44 grade) and a solid epoxy resin (such as E-20 grade) in a mass ratio of 0.5 to 2:1.
  • the above composite rubber needs to be diluted with a solvent before use, and then coated or immersed on both surfaces of the polyphenylene sulfide film, and heated in an oven (70-100 ° C oven, vehicle speed 10 ⁇ 3 m / min; tension 50 -80N) removing the solvent, and then hot pressing compounding with the first woven glass cloth;
  • the solvent is a mixture of one or more selected from the group consisting of ethyl acetate, methyl ethyl ketone and acetone.
  • the halogen-free flame-retardant F and H-stage insulating materials thus formed have a dry gum content of 15 to 30 g/m 2 .
  • the above composite glue can be a mixture of PU glue, epoxy glue and halogen-free flame retardant.
  • the halogen-free flame retardant is one or more complexes of dimethyl methyl phosphate, oligomeric ammonium polyphosphate, triphenyl phosphate, DOPO, and the like.
  • the halogen-free flame-retardant F and H-slot insulation materials of the above-mentioned electric vehicle motors can be used in the winding coils and electric appliances of the motor, and can also be used in dry-type transformer foil-wound coils, motors, induction cookers, generators and electric appliances. Turn-to-turn insulation, inter-slot insulation, phase-to-phase insulation, and gasket insulation.
  • the embodiment provides a halogen-free flame-retardant F and H-level slot insulating material for a transmission automobile oil of an electric vehicle motor, which comprises a first woven glass cloth, a polyphenylene sulfide film and a second woven glass cloth which are sequentially stacked, first The woven glass cloth and the polyphenylene sulfide film are bonded between the polyphenylene sulfide film and the second woven glass cloth by a composite glue.
  • the specific compounding process is: polyphenylene sulfide film double-sided mixed rubber (PU glue + epoxy glue + halogen-free flame retardant), oven 70-100 ° C solvent removal, vehicle speed 10 ⁇ 3 m / min; tension 60-80N Then, the double-sided composite woven glass cloth is rolled up by hot rolling and rolled; after the coil is cured at 170 ⁇ 5°C/24h, a fully cured halogen-free flame retardant F for wind turbine or electric motor can be obtained. H grade groove insulation material. The difference between the various examples is that the components of the composite bond are inconsistent, as shown in Table 1.
  • Preparation of compound glue 0.5kg of liquid epoxy resin and solid epoxy resin are added to 4kg of acetone, stirring by high-speed pneumatic pump for 30 ⁇ 5 minutes; adding 0.2kg of DDS curing agent, stirring with high-speed pneumatic pump for 10 ⁇ 5 minutes; adding 1kg without Halogen flame retardant methyl dimethyl phosphate, high-speed pneumatic pump stirring for 10 ⁇ 5 minutes; adding Henkel Liofol UR 2716 component A 8kg, high-speed pneumatic pump stirring 20 ⁇ 5 minutes; adding UK 5500 curing agent 1kg, high-speed pneumatic pump Stir for 10 ⁇ 5 minutes; adjust the resin room temperature 4# cup viscosity to 15-16 seconds using acetone.
  • the comparative groove insulating composite material comprises a first calendered woven glass cloth (N), a polyester film and a second calendered woven glass cloth (N) which are sequentially laminated, and are bonded by F grade glue.
  • N first calendered woven glass cloth
  • N polyester film
  • N second calendered woven glass cloth
  • NMN has excellent heat resistance, dielectric properties and high mechanical strength. Applicable to ordinary F-class motors, transformers for slot insulation, interlayer insulation, turn-to-turn insulation and gasket insulation.
  • Example 1 Component Table of the composite rubber in Example 4 (raw material is in parts by weight)
  • the halogen-free flame retardant is a mixture of one or more of dimethyl methyl phosphate, ammonium polyphosphate and triphenyl phosphate.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Insulating Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

L'invention se réfère à un matériau isolant de rainure ignifuge sans halogène et résistant à l'huile de boîte de vitesses destiné à un moteur de véhicule électrique et à une application correspondante, comprenant un premier tissu de verre de tissage, un film mince de poly(sulfure de phénylène) et un second tissu de verre de tissage qui sont agencés de manière empilée en séquence ; le premier tissu de verre de tissage et le film mince de poly(sulfure de phénylène), et le film mince de sulfure de polyphénylène et le second tissu de verre de tissage sont liés au moyen d'un adhésif composite ; l'adhésif composite comprend un adhésif PU, un adhésif époxy et un agent ignifuge sans halogène selon le rapport massique compris entre (8-10) à (0,5-2) et 1 ; l'adhésif époxy comprend une résine époxy modifiée et un agent de durcissement de résine époxy selon le rapport massique compris entre (4-8) et 1. Le matériau isolant de rainure préparé, dont le niveau de résistance à la chaleur est de F et H, présente avantageusement une densité de réticulation élevée.
PCT/CN2018/094926 2017-10-25 2018-07-07 Matériau isolant de rainure ignifuge sans halogène et résistant à l'huile de boîte de vitesses destiné à un moteur de véhicule électrique et application correspondante WO2019080540A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711005183.6 2017-10-25
CN201711005183.6A CN107799201A (zh) 2017-10-25 2017-10-25 电动汽车电机的耐变速箱油无卤阻燃槽绝缘材料及其应用

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WO2019080540A1 true WO2019080540A1 (fr) 2019-05-02

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CN107799201A (zh) * 2017-10-25 2018-03-13 苏州巨峰电气绝缘系统股份有限公司 电动汽车电机的耐变速箱油无卤阻燃槽绝缘材料及其应用
CN109486378B (zh) * 2018-11-07 2020-08-04 苏州太湖电工新材料股份有限公司 电动汽车用耐atf油的阻燃型绝缘漆及其制备方法和应用

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