WO2019080540A1 - Gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of electric vehicle motor and application thereof - Google Patents

Gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of electric vehicle motor and application thereof

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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
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WO
WIPO (PCT)
Prior art keywords
retardant
halogen
free flame
insulating material
glue
Prior art date
Application number
PCT/CN2018/094926
Other languages
French (fr)
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
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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/en

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    • 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.

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  • 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

A gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of an electric vehicle motor and an application thereof, comprising first weaving glass cloth, a polyphenylene sulfide thin film, and second weaving glass cloth which are arranged in a stacked manner in sequence; the first weaving glass cloth and the polyphenylene sulfide thin film, and the polyphenylene sulfide thin film and the second weaving glass cloth are bonded by means of a composite adhesive; the composite adhesive comprises a PU adhesive, an epoxy adhesive, and a halogen-free flame-retardant agent at the mass ratio of (8-10) to (0.5-2) to 1; the epoxy adhesive comprises a modified epoxy resin and an epoxy resin curing agent at the mass ratio of (4-8) to 1. The prepared groove insulating material with the heat resistance level of F and H has the advantage of high crosslinking density.

Description

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Transmission-resistant oil-free halogen-free flame-retardant slot insulation material for electric vehicle motor and its application 技术领域Technical field
本申请属于复合绝缘材料领域，涉及一种绝缘材料，具体涉及一种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。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.
背景技术Background technique
聚酯薄膜聚芳纤维纸复合材料采用二面NOMEX TM聚芳纤维纸与聚酯薄膜粘结复合而成，兼有聚酯薄膜良好的柔韧性、优异的机械强度、介电性能和NOMEX TM纸良好的抗撕强度和吸漆能力，是可靠的耐热F级电机绝缘材料。即聚酯薄膜聚芳纤维纸复合材料用于F级电机及发电机的槽间绝缘，也可用作干式变压器的层间、间隔绝缘和对地绝缘。现有的复合材料通常使用PU胶，其产品干胶含量5-10g/m 2，但是其耐热等级仅为F级，粘结强度不够高，不耐变速箱油，而且不具有阻燃的性能。 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.
申请内容Application content
本申请目的是为了克服现有技术的不足而提供一种电动汽车电机用耐变速箱油无卤阻燃的F、H级槽绝缘材料。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.
为达到上述目的，本申请采用的技术方案是：一种电动汽车电机的无卤阻燃F、H级槽绝缘材料，它包括依次层叠设置的第一编织玻璃布、聚苯硫醚薄膜和第二编织玻璃布，所述第一编织玻璃布和所述聚苯硫醚薄膜之间和所述聚苯硫醚薄膜和所述第二编织玻璃布之间通过复合胶粘结，其特征在于：所述复合胶包括PU胶、环氧胶和无卤阻燃剂，所述PU胶、无卤阻燃剂与环氧胶的质量比为8～10:0.5～2：1；所述环氧胶包括改性环氧树脂和环氧树脂固化剂，其质量比为4～8:1。In order to achieve the above object, the technical solution adopted in the present application is: 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. a woven glass cloth, the first woven glass cloth and the polyphenylene sulfide film and the polyphenylene sulfide film and the second woven glass cloth are bonded by a composite glue, wherein: 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.
优化地，所述复合胶由PU胶、环氧胶和无卤阻燃剂混合而成。Optimizedly, the composite rubber is a mixture of PU glue, epoxy glue and halogen-free flame retardant.
优化地，所述改性环氧树脂由液体环氧树脂和固体环氧树脂按质量比为0.5～2:1组成。Preferably, 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.
优化地，所述环氧树脂固化剂为选自芳香族二胺类固化剂中的一种或多种组成的混合物。Preferably, the epoxy resin curing agent is a mixture of one or more selected from the group consisting of aromatic diamine curing agents.
优化地，所述复合胶在使用时先用溶剂稀释，随后涂覆或浸渍在所述耐高温、耐腐蚀且本质阻燃的聚苯硫醚薄膜的表面，再置于烘箱中加热去除溶剂。Preferably, 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.
进一步地，所述溶剂为选自醋酸乙酯、甲乙酮和丙酮中的一种或多种组成的混合物。Further, the solvent is a mixture of one or more selected from the group consisting of ethyl acetate, methyl ethyl ketone, and acetone.
进一步地，它的干胶含量为15～30g/m 2。 Further, it has a dry gum content of 15 to 30 g/m 2 .
本申请的又一目的在于提供一种上述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料在电机绕制线圈和电器中的应用。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.
由于上述技术方案运用，本申请与现有技术相比具有下列优点：本申请电动汽车电机的 耐变速箱油无卤阻燃F、H级槽绝缘材料，通过采用玻璃布、聚苯硫醚薄膜作为基材，赋予槽绝缘材料更高的耐热性能，机械性能和阻燃性能，同时采用特定质量比例的PU胶、环氧胶、无卤阻燃剂和环氧树脂固化剂组成的复合胶，所制得的F、H级槽绝缘材料具有交联密度高、耐变速箱油、良好的阻燃性和高机械强度等诸多优点。Due to the application of the above technical solutions, the present application has the following advantages compared with the prior art: 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. As a substrate, it imparts higher heat resistance, mechanical properties and flame retardant properties to the groove insulating material, and at the same time, 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.
具体实施方式Detailed ways
本申请电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，它包括依次层叠设置的第一编织玻璃布、聚苯硫醚薄膜和第二编织玻璃布，所述第一编织玻璃布和所述聚苯硫醚薄膜之间和所述聚苯硫醚薄膜和所述第二编织玻璃布之间通过复合胶粘结，其特征在于：所述复合胶包括PU胶、环氧胶和无卤阻燃剂，所述PU胶、无卤阻燃剂与环氧胶的质量比为8～10:0.5～2：1；所述环氧胶包括改性环氧树脂和环氧树脂固化剂，其质量比为4～8:1。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.
上述PU胶可以采用常规的，它通常可以是汉高Liofol UR 2716和固化剂UK 5500按质量比为5～8：1的混合而成，或者为波士胶PURBINDER AP1387和固化剂Fardener Z按质量比为6～9：1。所述环氧树脂固化剂为选自芳香族二胺类固化剂中的一种或多种组成的混合物，芳香族二胺类固化剂包括二胺基二苯砜(DDS)、二胺基二苯甲烷(DDM)、间苯二胺(mPDA)、4,4’二氨基二苯醚(DDE)和对二甲苯胺(DMB)等。所述改性环氧树脂则由现有的液体环氧树脂(如E-44牌号)和固体环氧树脂(如E-20牌号)按质量比为0.5～2:1组成。上述复合胶在使用前需要先用溶剂稀释，随后涂覆或浸渍在聚苯硫醚薄膜的两表面上，置于烘箱中加热(70-100℃烘箱，车速10±3米/分钟；张力50-80N)去除溶剂，再与第一编织玻璃布进行热压复合即可；所述溶剂为选自醋酸乙酯、甲乙酮和丙酮中的一种或多种组成的混合物。这样形成的无卤阻燃F、H级槽绝缘材料中干胶含量为15～30g/m 2。当然，上述的复合胶可以由PU胶、环氧胶和无卤阻燃剂混合而成。无卤阻燃剂为甲基磷酸二甲酯、低聚聚磷酸铵、磷酸三苯酯、DOPO等的一种或几种复合物。 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 . Of course, 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.
上述电动汽车电机的无卤阻燃F、H级槽绝缘材料在电机绕制线圈和电器中的应用，亦可在干式变压器箔式绕制线圈、电机、电磁炉、发电机及电器等中作匝间绝缘、槽间绝缘、相间绝缘和衬垫绝缘。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.
下面将结合实施例对本申请进行进一步说明。The present application will be further described below in conjunction with the embodiments.
实施例1～实施例4Embodiment 1 to Example 4
本实施例提供电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，它包括依次层叠设置的第一编织玻璃布、聚苯硫醚薄膜和第二编织玻璃布，第一编织玻璃布和聚苯硫醚薄膜之间和聚苯硫醚薄膜和第二编织玻璃布之间通过复合胶粘结。具体复合过程为：聚苯硫醚 薄膜双面上混合胶(PU胶+环氧胶+无卤阻燃剂)，烘箱70-100℃除溶剂，车速10±3米/分钟；张力60-80N；然后双面复合编织玻璃布，用辊热压合后收卷；在卷材170±5℃/24h后固化，得到全固化的可用于风力发电机或电动汽车电机的无卤阻燃F、H级槽绝缘材料。各个实施例之间的不同在于复合胶粘结的组分不一致，具体如表1所示。复合胶水的配制：液体环氧树脂和固体环氧树脂各0.5kg加入到4kg丙酮中，高速气动泵搅拌30±5分钟；加入0.2kgDDS固化剂，高速气动泵搅拌10±5分钟；加入1kg无卤阻燃剂甲基磷酸二甲酯，高速气动泵搅拌10±5分钟；加入汉高Liofol UR 2716甲组分8kg，高速气动泵搅拌20±5分钟；加入UK 5500固化剂1kg，高速气动泵搅拌10±5分钟；使用丙酮将树脂室温4#杯粘度调整到15-16秒。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.
对比例1～对比例2Comparative Example 1 to Comparative Example 2
对比例槽绝缘复合材料，它包括依次层叠设置的第一编轧光编织玻璃布(N)、聚脂薄膜和第二轧光编织玻璃布(N)，通过F级的胶粘合而成的三层柔软复合材料。NMN具有优异的耐热性能、介电性能和较高的机械强度。适用于普通F级电机、变压器中作槽绝缘、层间绝缘、匝间绝缘和衬垫绝缘。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. Three layers of soft composite material. 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.
表1 实施例1-实施例4中复合胶的组分表(原料单位为重量份数)Table 1 Example 1 - Component Table of the composite rubber in Example 4 (raw material is in parts by weight)
Figure PCTCN2018094926-appb-000001
Figure PCTCN2018094926-appb-000001
注1：无卤阻燃剂为甲基磷酸二甲酯、低聚聚磷酸铵和磷酸三苯酯中的一种或几种的混合物Note 1: The halogen-free flame retardant is a mixture of one or more of dimethyl methyl phosphate, ammonium polyphosphate and triphenyl phosphate.
实施例和对比例槽绝缘复合材料产品性能对比如表2所示Examples and comparative examples of slot insulation composite product performance are shown in Table 2.
表2 实施例1-实施例**中耐变速箱油无卤阻燃F、H级槽绝缘材料的技术指标Table 2 Technical Specifications of Non-halogen Flame Retardant F and H Grade Slot Insulation for Transmission Gear Oil in Example 1 - Example **
Figure PCTCN2018094926-appb-000002
Figure PCTCN2018094926-appb-000002
Figure PCTCN2018094926-appb-000003
Figure PCTCN2018094926-appb-000003
上述实施例只为说明本申请的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本申请的内容并据以实施，并不能以此限制本申请的保护范围，凡根据本申请精神实质所作的等效变化或修饰，都应涵盖在本申请的保护范围之内。The above embodiments are only for explaining the technical idea and the features of the present application, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present application and to implement the present application, and the scope of protection of the present application is not limited thereto. Equivalent changes or modifications made to the spirit of the spirit should be covered by the scope of this application.

Claims (8)

  1. 一种电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，它包括依次层叠设置的第一编织玻璃布、聚苯硫醚薄膜和第二编织玻璃布，所述第一编织玻璃布和所述聚苯硫醚薄膜之间和所述聚苯硫醚薄膜和所述第二编织玻璃布之间通过复合胶粘结，其特征在于：所述复合胶包括PU胶、环氧胶和无卤阻燃剂，所述PU胶、无卤阻燃剂与环氧胶的质量比为8～10:0.5～2：1；所述环氧胶包括改性环氧树脂和环氧树脂固化剂，其质量比为4～8:1。The invention relates to a gearbox oil-free halogen-free flame-retardant F and H-slot insulating material for 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, 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.
  2. 根据权利要求1所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：所述复合胶由PU胶、环氧胶和无卤阻燃剂混合而成。The anti-velocity oil-free halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 1, wherein the composite rubber is a mixture of PU glue, epoxy glue and halogen-free flame retardant. .
  3. 根据权利要求1所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：所述改性环氧树脂由液体环氧树脂和固体环氧树脂按质量比为0.5～2:1组成。The flame-retardant oil-free halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 1, wherein the modified epoxy resin is composed of a liquid epoxy resin and a solid epoxy resin by mass ratio It is composed of 0.5 to 2:1.
  4. 根据权利要求1所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：所述环氧树脂固化剂为选自芳香族二胺类固化剂中的一种或多种组成的混合物。The gearbox oil-free halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 1, wherein the epoxy resin curing agent is one selected from the group consisting of aromatic diamine curing agents. a mixture of one or more of the constituents.
  5. 根据权利要求1所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：所述复合胶在使用时先用溶剂稀释，随后涂覆或浸渍在所述聚苯硫醚薄膜的表面，再置于烘箱中加热去除溶剂。The gearbox oil-free halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 1, wherein the composite rubber is first diluted with a solvent during use, and then coated or immersed in the The surface of the polyphenylene sulfide film is placed in an oven to remove the solvent by heating.
  6. 根据权利要求5所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：所述溶剂为选自醋酸乙酯、甲乙酮和丙酮中的一种或多种组成的混合物。The gearbox oil halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 5, wherein the solvent is one or more selected from the group consisting of ethyl acetate, methyl ethyl ketone and acetone a mixture of components.
  7. 根据权利要求5所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料，其特征在于：它的干胶含量为15～30g/m 2。 The flame-retardant oil-free halogen-free flame-retardant F and H-slot insulating material for an electric vehicle motor according to claim 5, wherein the dry rubber content is 15 to 30 g/m 2 .
  8. 权利要求1至7中任一所述电动汽车电机的耐变速箱油无卤阻燃F、H级槽绝缘材料在电机绕制线圈和电器中的应用。The use of the gearbox oil-free halogen-free flame-retardant F and H-slot insulating material for the electric vehicle motor according to any one of claims 1 to 7 in a motor winding coil and an electric appliance.
PCT/CN2018/094926 2017-10-25 2018-07-07 Gearbox-oil-resistant and halogen-free flame-retardant groove insulating material of electric vehicle motor and application thereof WO2019080540A1 (en)

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