CN112194966A - High-temperature-resistant FIW insulating paint for completely insulating wire - Google Patents

High-temperature-resistant FIW insulating paint for completely insulating wire Download PDF

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Publication number
CN112194966A
CN112194966A CN202011079422.4A CN202011079422A CN112194966A CN 112194966 A CN112194966 A CN 112194966A CN 202011079422 A CN202011079422 A CN 202011079422A CN 112194966 A CN112194966 A CN 112194966A
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insulating
material layer
paint
insulating material
polyarylsulfone
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Chinese (zh)
Inventor
王金斗
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Anshun Qianchen Grain Material Technology Co ltd
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Anshun Qianchen Grain Material Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Paints Or Removers (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses high-temperature resistant FIW insulating paint for completely insulating a wire, which comprises the following components: the resin component and the solvent component are mixed according to the mass ratio of 1: 1.7-4.3; the resin component comprises the following components in parts by weight: polyurethane enamelling wire paint 950-970, polyamide 0.3-0.7, cresol or phenol 0.3-0.7, polyarylsulfone 25-35; the solvent comprises the following components: one or a mixture of at least two of dimethylformamide, dimethylacetamide, N-methylpyrrolidone and dimethyl sulfoxide; and mixing the resin component and the solvent component to obtain the insulating paint. According to the invention, polyamide and polyarylsulfone are added, the polyamide with a long-chain structure can uniformly extend into the insulating material layer, so that the tensile strength of the insulating material layer is increased; the polyarylsulfone molecular chain can be contracted, so that the insulating material layer is more compact, and the insulating property of the insulating material layer is effectively enhanced.

Description

High-temperature-resistant FIW insulating paint for completely insulating wire
Technical Field
The invention relates to the technical field of FIW completely insulated wires, in particular to insulating paint of a high-temperature-resistant FIW completely insulated wire.
Background
Modern electronic technology is rapidly developed, the processing and transmission of a digital circuit enter a high-frequency stage, 5G comes, the requirements of the magnetoelectric industry are higher and higher, and the power is higher and higher; the requirements for high-performance materials with high voltage resistance and high insulating strength are higher and higher, and a high voltage-resistant layer of the high-performance material is required to be thinner and thinner; among them, the conductor is important in several properties such as dielectric property, heat resistance, dimensional stability, moisture resistance, etc., and for the "outer insulating layer: high insulating property, high voltage resistance (20 KV and higher), high temperature resistance (180 ℃), various environments (humidity, acid, alkali, high cold, salt resistance and the like) and the like are very important, and the high-voltage insulation material must be matched with the requirement of a high conductor. The original material enameled wire (1500V) and the three-layer insulated wire (6000V) in the magnetoelectric industry can not meet the requirements of the original material enameled wire and the original material insulated wire, and the insulating layer is too thick, so that the volume of the product is increased.
Accordingly, the prior art is deficient and needs improvement.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the insulating varnish of the FIW completely insulated wire with high temperature resistance is provided, the insulating performance is ensured, the thickness of the material is reduced, and the performance of the FIW completely insulated wire is comprehensively improved.
The technical scheme of the invention is as follows: an insulating varnish for providing a high temperature resistant FIW fully insulated wire, comprising: the resin component and the solvent component are mixed according to the mass ratio of 1: 1.7-4.3;
the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000011
Figure BDA0002718160590000021
the solvent comprises the following components: one or a mixture of at least two of dimethylformamide, dimethylacetamide, N-methylpyrrolidone and dimethyl sulfoxide.
And mixing the resin component and the solvent component to obtain the insulating paint.
In the insulating varnish, polyurethane wire enamel is diluted by a solvent component, polyarylsulfone is dissolved by the solvent component to form polyarylsulfone molecular chains, and the polyarylsulfone molecular chains are inserted into the polyurethane wire enamel; the polytetrafluoroethylene is uniformly dispersed in the polyurethane wire enamel, and the polyamide is dissolved in cresol or phenol and then is uniformly inserted in the polyurethane wire enamel through the solvent component.
Preferably, the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000022
preferably, the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000023
spraying insulating paint on a substrate, baking the insulating paint sprayed on the substrate, evaporating solvent components and phenol or cresol to obtain an insulating material layer, wherein polyamide and polyarylsulfone molecular chains are inserted into the insulating material layer, and modified polytetrafluoroethylene and polytetrafluoroethylene are uniformly dispersed in the insulating material layer.
Because the polyamide, the polyarylsulfone and the polytetrafluoroethylene are added in the insulating paint, the solvent component in the insulating paint is gradually volatilized in the baking process, the polyamide with a long-chain structure uniformly extends into an insulating material layer, and the tensile strength of the insulating material layer is increased; the polyarylsulfone molecular chain can be contracted, so that the insulating material layer is more compact, and the insulating property of the insulating material layer is effectively enhanced; the polytetrafluoroethylene is uniformly dispersed in the insulating material layer and can be wound by molecular chains of polyurethane wire enamel and polyarylsulfone to form nodes, so that the insulating material layer is more compact, and the insulating property of the insulating material layer can be further enhanced; therefore, the insulating material layer obtained by the invention can ensure the insulating property and reduce the thickness of the material. Furthermore, the polyamide, the polyarylsulfone, the modified polytetrafluoroethylene and the polytetrafluoroethylene have excellent high temperature resistance and acid and alkali corrosion resistance, and the performance of FIW completely insulated wires can be comprehensively improved. The modified polytetrafluoroethylene has more excellent high-temperature resistance than polytetrafluoroethylene, so that the high-temperature resistance of the insulating material layer can be effectively improved. The modified polytetrafluoroethylene and the polytetrafluoroethylene are matched and added into the insulating paint, so that the insulating paint has the characteristics of the modified polytetrafluoroethylene and the polytetrafluoroethylene, the defects are complemented, and the comprehensive performance of an insulating material layer is improved.
The polyurethane wire enamel comprises the following types: deaweld S193, wherein the polyamide is polycaprolactam, and the particle size of the modified polytetrafluoroethylene is 100nm-500 nm.
By adopting the scheme, the invention provides the high-temperature resistant FIW insulating paint for the completely insulated wire, and the insulating paint is added with polyamide, polyarylsulfone, modified polytetrafluoroethylene and polytetrafluoroethylene, so that the polyamide with a long-chain structure can uniformly extend into an insulating material layer, and the tensile strength of the insulating material layer is increased; the polyarylsulfone molecular chain can be contracted, so that the insulating material layer is more compact, and the insulating property of the insulating material layer is effectively enhanced; the modified polytetrafluoroethylene and the polytetrafluoroethylene are uniformly dispersed in the insulating material layer and can be wound by molecular chains of polyurethane wire enamel and polyarylsulfone to form nodes, so that the insulating material layer is more compact, and the insulating property of the insulating material layer can be further enhanced; therefore, the insulating material layer obtained by the invention can ensure the insulating property and reduce the thickness of the material.
Detailed Description
The present invention will be described in detail with reference to specific examples.
Example 1
The invention provides high-temperature resistant FIW insulating paint for completely insulating wires, which comprises the following components: the resin component and the solvent component are mixed according to the mass ratio of 1: 1.7;
the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000041
the solvent comprises the following components: a mixture of dimethylformamide, dimethylacetamide;
and mixing the resin component and the solvent component to obtain the insulating paint.
The polyurethane wire enamel comprises the following types: deaweld S193, wherein the polyamide is polycaprolactam, and the particle size of the modified polytetrafluoroethylene is 100nm-500 nm.
The insulating paint in the embodiment is sprayed on a substrate, and an insulating material layer obtained by drying is obtained, wherein the thickness of the insulating material layer is 97 mu m, and the voltage resistance of the insulating material layer is 25 KV.
Example 2
The invention provides high-temperature resistant FIW insulating paint for completely insulating wires, which comprises the following components: the resin component and the solvent component are mixed according to the mass ratio of 1: 4.3;
the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000042
Figure BDA0002718160590000051
the solvent comprises the following components: a mixture of N-methylpyrrolidone, dimethylsulfoxide;
and mixing the resin component and the solvent component to obtain the insulating paint.
The polyurethane wire enamel comprises the following types: deaweld S193, wherein the polyamide is polycaprolactam, and the particle size of the modified polytetrafluoroethylene is 100nm-500 nm.
The insulating paint in the embodiment is sprayed on a substrate, and an insulating material layer obtained by drying is obtained, wherein the thickness of the insulating material layer is 89 micrometers, and the voltage resistance of the insulating material layer is 30 KV.
Example 3
An insulating varnish for providing a high temperature resistant FIW fully insulated wire, comprising: the resin component and the solvent component are mixed according to the mass ratio of 1: 3;
the resin component comprises the following components in parts by weight:
Figure BDA0002718160590000052
the solvent comprises the following components: a mixture of N-methylpyrrolidone, dimethylsulfoxide;
and mixing the resin component and the solvent component to obtain the insulating paint.
The polyurethane wire enamel comprises the following types: deaweld S193, wherein the polyamide is polycaprolactam, and the particle size of the modified polytetrafluoroethylene is 100nm-500 nm.
The insulating paint in the embodiment is sprayed on a substrate, and an insulating material layer obtained by drying is obtained, wherein the thickness of the insulating material layer is 98 mu m, and the voltage resistance of the insulating material layer is 37 KV.
In conclusion, the invention provides the high-temperature resistant FIW insulating paint for the completely insulated wire, and the insulating paint is added with polyamide, polyarylsulfone, modified polytetrafluoroethylene and polytetrafluoroethylene, so that the polyamide with a long-chain structure can uniformly extend into an insulating material layer, and the tensile strength of the insulating material layer is increased; the polyarylsulfone molecular chain can be contracted, so that the insulating material layer is more compact, and the insulating property of the insulating material layer is effectively enhanced; the modified polytetrafluoroethylene and the polytetrafluoroethylene are uniformly dispersed in the insulating material layer and can be wound by molecular chains of polyurethane wire enamel and polyarylsulfone to form nodes, so that the insulating material layer is more compact, and the insulating property of the insulating material layer can be further enhanced; therefore, the insulating material layer obtained by the invention can ensure the insulating property and reduce the thickness of the material.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A high temperature resistant FIW paint for completely insulating wires, comprising: the resin component and the solvent component are mixed according to the mass ratio of 1: 1.7-4.3;
the resin component comprises the following components in parts by weight:
Figure FDA0002718160580000011
the solvent comprises the following components: one or a mixture of at least two of dimethylformamide, dimethylacetamide, N-methylpyrrolidone and dimethyl sulfoxide;
mixing the resin component and the solvent component to obtain insulating paint;
in the insulating varnish, polyurethane wire enamel is diluted by a solvent component, polyarylsulfone is dissolved by the solvent component to form polyarylsulfone molecular chains, and the polyarylsulfone molecular chains are inserted into the polyurethane wire enamel; after the polyamide is dissolved in cresol or phenol, the polyamide is uniformly inserted into the polyurethane wire enamel through the solvent component.
2. The high temperature resistant FIW insulated wire paint of claim 1, wherein the resin composition further comprises: the polytetrafluoroethylene comprises the following components in parts by mass: 7-11; the polytetrafluoroethylene is uniformly dispersed in the polyurethane wire enamel.
3. The high temperature resistant FIW insulated paint for complete wire insulation according to claim 2, wherein the resin composition comprises by weight:
Figure FDA0002718160580000021
4. the high temperature resistant FIW insulated paint for complete wire insulation according to claim 2, wherein the resin composition comprises by weight:
Figure FDA0002718160580000022
5. the high temperature FIW insulating varnish for completely insulated wire as claimed in claim 2, wherein the insulating varnish is sprayed on a substrate, and then the insulating varnish sprayed on the substrate is baked, the solvent component and phenol or cresol are evaporated to obtain an insulating material layer, the polyamide and polyarylsulfone molecular chains are inserted into the insulating material layer, and the modified polytetrafluoroethylene and polytetrafluoroethylene are uniformly dispersed in the insulating material layer.
6. The insulating varnish for high-temperature resistant FIW fully insulated wires, according to claim 1, wherein the polyurethane wire enamel is of the type: deaweld S193, wherein the polyamide is polycaprolactam, and the particle size of the modified polytetrafluoroethylene is 100nm-500 nm.
CN202011079422.4A 2020-10-10 2020-10-10 High-temperature-resistant FIW insulating paint for completely insulating wire Withdrawn CN112194966A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103725057A (en) * 2013-11-25 2014-04-16 铜陵天河特种电磁线有限公司 Modified polytetrafluoroethylene wire enamel and preparation method thereof
CN103740269A (en) * 2013-11-25 2014-04-23 铜陵天河特种电磁线有限公司 High temperature resistant and environment-friendly enameled wire hot-melt self-adhesive paint and preparation method thereof
CN104861866A (en) * 2015-05-30 2015-08-26 张家港市山牧新材料技术开发有限公司 Heat-resistant paint and preparation method thereof
CN105838225A (en) * 2015-01-12 2016-08-10 江苏恒兴制漆有限公司 High-elasticity straight-weldable polyurethane wire enamel and preparation method thereof
CN105925161A (en) * 2016-06-14 2016-09-07 河南博业电气材料有限公司 High-impregnation-resistance enamelled wire and making process thereof
CN109135545A (en) * 2018-08-20 2019-01-04 安徽晟然绝缘材料有限公司 Zero salt water pin hole polyurethane wire enamel of one kind and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103725057A (en) * 2013-11-25 2014-04-16 铜陵天河特种电磁线有限公司 Modified polytetrafluoroethylene wire enamel and preparation method thereof
CN103740269A (en) * 2013-11-25 2014-04-23 铜陵天河特种电磁线有限公司 High temperature resistant and environment-friendly enameled wire hot-melt self-adhesive paint and preparation method thereof
CN105838225A (en) * 2015-01-12 2016-08-10 江苏恒兴制漆有限公司 High-elasticity straight-weldable polyurethane wire enamel and preparation method thereof
CN104861866A (en) * 2015-05-30 2015-08-26 张家港市山牧新材料技术开发有限公司 Heat-resistant paint and preparation method thereof
CN105925161A (en) * 2016-06-14 2016-09-07 河南博业电气材料有限公司 High-impregnation-resistance enamelled wire and making process thereof
CN109135545A (en) * 2018-08-20 2019-01-04 安徽晟然绝缘材料有限公司 Zero salt water pin hole polyurethane wire enamel of one kind and preparation method thereof

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Application publication date: 20210108