CN115295246A - Coating method of water-based self-adhesive polyesterimide enameled wire - Google Patents
Coating method of water-based self-adhesive polyesterimide enameled wire Download PDFInfo
- Publication number
- CN115295246A CN115295246A CN202210970807.2A CN202210970807A CN115295246A CN 115295246 A CN115295246 A CN 115295246A CN 202210970807 A CN202210970807 A CN 202210970807A CN 115295246 A CN115295246 A CN 115295246A
- Authority
- CN
- China
- Prior art keywords
- self
- adhesive
- enameled wire
- water
- painting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/065—Insulating conductors with lacquers or enamels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a coating method of a water-based self-adhesive polyesterimide enameled wire, which comprises the steps of adding pure water into diluted self-adhesive paint emulsion within a required particle size range to dilute the emulsion to a specified viscosity and surface tension, then painting the enameled wire in a painting room to form a self-adhesive coating layer, and then feeding the enameled wire into an oven to be rapidly heated by hot air. The self-adhesive coating layer is bonded to form a water-based self-adhesive layer with a smooth surface and good elasticity after pure water is heated and evaporated, and then painting and heating bonding are repeatedly carried out to obtain the water-based self-adhesive polyesterimide enameled wire.
Description
Technical Field
The invention relates to the technical field of enameled wires, in particular to a coating method of a water-based self-adhesive polyesterimide enameled wire.
Background
With the development of modern industry, the required enameled wire type of electrical apparatus is more and more, and the enameled wire shape that different electrical apparatus used is also different, therefore the enameled wire is stereotyped just need to adopt the mould, and the manufacturing cost of mould is high, and is inefficient, consequently technical staff in the field just coats one deck self-adhesive layer on the top layer of enameled wire for the enameled wire makes the enameled wire bond each other through the self-adhesive layer under the condition of high temperature after the wire winding, then the cooling postforming obtains required shape.
For example, the invention of patent No. CN200810018730.9 discloses a self-adhesive enameled wire, which includes a copper wire and a polyurethane paint insulating layer coated outside the copper wire, wherein a self-lubricating self-adhesive paint layer is further coated on the surface of the polyurethane paint insulating layer, and the self-lubricating self-adhesive paint in the self-lubricating self-adhesive paint layer comprises the following chemical components in percentage by concentration: 10 to 13 percent of polyamide resin, 33 to 36 percent of cresol, 33 to 36 percent of phenol and 15 to 18 percent of dimethylbenzene. The surface of the self-adhesive enamel wire disclosed in this patent has a stronger scratch resistance and better slipperiness than the existing general self-adhesive enamel wire.
However, cresol is used as a solvent, xylene is used as a diluent, residual solvents are generated in the produced self-adhesive enameled wire no matter how the process is controlled, and the residual solvents are released under the action of high temperature when the self-adhesive enameled wire is applied due to the residual solvents, so that discomfort is caused to a human body.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a coating method of a water-based self-adhesive polyesterimide enameled wire, which optimizes the existing coating process, optimizes a formula to replace a cresol solvent and a xylene diluent, reduces the production cost, reduces the release of a large amount of pungent smell and curing smoke of the self-adhesive enameled wire under high temperature, improves the quality of the self-adhesive enameled wire, and reduces the damage to the environment and human body.
The scheme for solving the technical problems is as follows:
a coating method of a water-based self-adhesive polyesterimide enameled wire comprises the following steps:
s1, feeding enameled wires: leading the enameled wire of which the surface is not coated with the self-adhesive layer into a painting room, and keeping the enameled wire to be fed smoothly;
s2, preparing the water-based self-adhesive paint, which comprises the following detailed steps:
s21, grinding the water-soluble self-adhesive paint emulsion by a grinder to prepare the self-adhesive paint emulsion, wherein the self-adhesive paint emulsion contains various fillers, so that the self-adhesive paint emulsion needs to be repeatedly ground until the particle size ranges from 80 nm to 100nm;
s22, adding pure water into the self-adhesive paint emulsion obtained by the treatment of S21 according to the proportion of 1, so that the self-adhesive paint emulsion is dissolved in water and diluted, simultaneously testing the viscosity of the diluted self-adhesive paint by using a viscometer, if the viscosity range is less than 20 seconds and the surface tension is less than 70dyn, adding a small amount of pure water, if the viscosity range is more than 50 seconds and the surface tension is more than 75dyn, adding a small amount of self-adhesive paint emulsion, testing the viscosity and the surface tension after stirring until the viscosity range of the diluted self-adhesive paint is 20-50 seconds and the surface tension is 70-75dyn;
s23, introducing the self-adhesive paint prepared in the S22 into a painting felt arranged in a painting room, so that the enameled wire is conveniently painted;
s3, coating the enameled wire with the water-based self-adhesive paint, wherein the detailed steps are as follows:
s31, starting a painting room, slowly and smoothly feeding the enameled wire, and painting the surface of the enameled wire by using a painting felt to form a self-adhesive coating layer on the surface of the enameled wire;
s32, the enameled wire enters an oven after finishing painting in a painting room, and the oven needs to be heated for a long time due to the fact that the self-adhesive coating layer has flowing property, in order to improve the curing speed and the curing quality of the self-adhesive coating layer on the surface of the enameled wire, the oven is cured by hot air, the enameled wire is rapidly heated by flowing hot air at the temperature of 150-280 ℃, and moisture in the self-adhesive coating layer is rapidly evaporated, so that the self-adhesive coating layer is bonded in a short time;
and S33, repeating the steps S31 and S32, so that the number of painting channels on the surface of the enameled wire is controlled to be 8-12, and finally forming the water-based self-adhesive layer with smooth surface and good elasticity on the enameled wire.
Preferably, the enameled wire in S1 is a wire with an insulating layer made of polyesterimide, and the formed aqueous self-adhesive layer and the polyesterimide form a self-adhesive state with strength at 150-280 ℃, and can be bonded and fixed.
Preferably, the self-adhesive paint emulsion in S21 is an epoxy polyimide water-based paint emulsion.
Preferably, the water evaporated from the self-adhesive coating layer in S32 is pure water.
Preferably, the enameled wire with the water-based self-adhesive layer in S33 can be bonded to each other through the water-based self-adhesive layer by using a high temperature condition after the enameled wire is wound, and then is cooled and formed to obtain a desired shape.
The beneficial effects of the invention are as follows: the invention utilizes the pure water diluted self-adhesive paint emulsion to replace the traditional solvent to produce the adhesive layer of the enameled wire, not only optimizes the existing coating process, but also can replace the original solvent cresol and the original diluent xylene, reduces the production cost, reduces the release of a large amount of pungent odor and solidified smoke of the self-adhesive enameled wire under the high temperature, improves the quality of the self-adhesive enameled wire, and simultaneously reduces the damage to the environment and human body.
Detailed Description
The detailed description of the present invention is further detailed so that the technical solutions of the present invention can be more easily understood and appreciated.
The coating method of the water-based self-adhesive polyesterimide enameled wire is characterized by comprising the following steps of:
s1, feeding of enameled wires: leading the enameled wire of which the surface is not coated with the self-adhesive layer into a painting room, and keeping the enameled wire to be fed smoothly;
s2, preparing the water-based self-adhesive paint, which comprises the following detailed steps:
s21, grinding the water-soluble self-adhesive paint emulsion by a grinder to prepare the self-adhesive paint emulsion, wherein the self-adhesive paint emulsion contains various fillers, so that the self-adhesive paint emulsion needs to be repeatedly ground until the particle size ranges from 80 nm to 100nm;
s22, adding pure water into the self-adhesive paint emulsion obtained by the treatment of S21 according to the proportion 1, so that the self-adhesive paint emulsion is dissolved in water and diluted, simultaneously testing the viscosity of the diluted self-adhesive paint by using a viscometer, if the viscosity range is less than 20 seconds and the surface tension is less than 70dyn, adding a small amount of pure water, if the viscosity range is more than 50 seconds and the surface tension is more than 75dyn, adding a small amount of self-adhesive paint emulsion, and testing the viscosity and the surface tension after stirring until the viscosity range of the diluted self-adhesive paint is 20-50 seconds and the surface tension is 70-75dyn;
s23, introducing the self-adhesive paint prepared in the S22 into a painting felt arranged in a painting room, so that the enameled wire is conveniently painted;
s3, coating the enameled wire with the water-based self-adhesive paint, wherein the detailed steps are as follows:
s31, starting a painting room, slowly and smoothly feeding the enameled wire, and painting the surface of the enameled wire by using a painting felt to form a self-adhesive coating layer on the surface of the enameled wire;
s32, after finishing painting in a painting room, the enameled wire enters an oven, and the self-adhesive coating layer needs to be heated for a long time in the oven due to the fact that the self-adhesive coating layer has flowing property, in order to improve the curing speed and the curing quality of the self-adhesive coating layer on the surface of the enameled wire, the oven is cured by hot air, the self-adhesive coating layer is rapidly heated by flowing hot air at the temperature of 150-280 ℃, and moisture in the self-adhesive coating layer is rapidly evaporated, so that the self-adhesive coating layer is bonded in a short time;
and S33, repeating the steps S31 and S32 to control the number of the lacquered wire surface lacquering channels to be 8-12, and finally forming the water-based self-adhesive layer with smooth surface and good elasticity on the lacquered wire.
In this embodiment, the enameled wire in S1 is a wire whose insulating layer is made of polyester imide, and the formed aqueous self-adhesive layer and the polyester imide form a self-adhesive state with strength at 150 ℃ to 280 ℃ and can be bonded and fixed.
In this embodiment, the self-adhesive paint emulsion in S21 is an epoxy-based polyimide water-based paint emulsion.
In this embodiment, the water evaporated from the self-adhesive coating layer in S32 is pure water.
In this embodiment, the enameled wire with the aqueous self-adhesive layer manufactured in S33 can be bonded to each other through the aqueous self-adhesive layer by using a high temperature condition after the enameled wire is wound, and then is cooled and formed to obtain a desired shape.
Examples of the experiments
(1) The motorcycle magnetor is produced by adopting the waterborne self-adhesive polyesterimide enameled wire, the product model is QZYSN-1B/180, and the production specifications are 0.120mm and 0.140mm.
(2) The electric cooker coil is produced by adopting the waterborne self-adhesive polyester-imide enameled wire, the product model is QZYSN-1B/180, and the production specification is 0.30mm.
(3) A range hood produced by Wanbao motor company is produced by adopting the waterborne self-adhesive polyester-imide enameled wire, the product model is QZYSN-1B/180, and the production specification is 0.320mm.
The beneficial effects of the invention are as follows: the invention utilizes the pure water diluted self-adhesive paint emulsion to replace the traditional solvent to produce the adhesive layer of the enameled wire, not only optimizes the existing coating process, but also can replace the original solvent cresol and the original diluent xylene, reduces the production cost, reduces the release of a large amount of pungent smell and curing smoke of the self-adhesive enameled wire under high temperature, improves the quality of the self-adhesive enameled wire, and simultaneously reduces the harm to the environment and human body.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.
Claims (5)
1. The coating method of the water-based self-adhesive polyesterimide enameled wire is characterized by comprising the following steps of:
s1, feeding enameled wires: leading the enameled wire of which the surface is not coated with the self-adhesive layer into a painting room, and keeping the enameled wire to be fed smoothly;
s2, preparing the water-based self-adhesive paint, which comprises the following detailed steps:
s21, grinding the self-adhesive paint emulsion dissolved in water by a grinder to prepare the self-adhesive paint emulsion, wherein the self-adhesive paint emulsion contains various fillers, so that the self-adhesive paint emulsion needs to be repeatedly ground until the particle size ranges from 80 nm to 100nm;
s22, adding pure water into the self-adhesive paint emulsion obtained by the treatment of S21 according to the proportion of 1, so that the self-adhesive paint emulsion is dissolved in water and diluted, simultaneously testing the viscosity of the diluted self-adhesive paint by using a viscometer, if the viscosity range is less than 20 seconds and the surface tension is less than 70dyn, adding a small amount of pure water, if the viscosity range is more than 50 seconds and the surface tension is more than 75dyn, adding a small amount of self-adhesive paint emulsion, testing the viscosity and the surface tension after stirring until the viscosity range of the diluted self-adhesive paint is 20-50 seconds and the surface tension is 70-75dyn;
s23, introducing the self-adhesive paint prepared in the S22 into a painting felt arranged in a painting room, so that the enameled wire is conveniently painted;
s3, coating the enameled wire with the water-based self-adhesive paint, wherein the detailed steps are as follows:
s31, starting a painting room, slowly and smoothly feeding the enameled wire, and painting the surface of the enameled wire by using a painting felt to form a self-adhesive coating layer on the surface of the enameled wire;
s32, after finishing painting in a painting room, the enameled wire enters an oven, and the self-adhesive coating layer needs to be heated for a long time in the oven due to the fact that the self-adhesive coating layer has flowing property, in order to improve the curing speed and the curing quality of the self-adhesive coating layer on the surface of the enameled wire, the oven is cured by hot air, the self-adhesive coating layer is rapidly heated by flowing hot air at the temperature of 150-280 ℃, and moisture in the self-adhesive coating layer is rapidly evaporated, so that the self-adhesive coating layer is bonded in a short time;
and S33, repeating the steps S31 and S32 to control the number of the lacquered wire surface lacquering channels to be 8-12, and finally forming the water-based self-adhesive layer with smooth surface and good elasticity on the lacquered wire.
2. The coating method of the water-based self-adhesive polyesterimide enameled wire according to claim 1, wherein: the enameled wire in the S1 is a wire with an insulating layer prepared from polyesterimide, and the formed aqueous self-adhesive layer and the polyesterimide form a self-adhesive state with strength at the temperature of 150-280 ℃ and can be bonded and fixed.
3. The coating method of the water-based self-adhesive polyesterimide enameled wire according to claim 1, wherein: the self-adhesive paint emulsion in the S21 is epoxy polyimide water-based paint emulsion.
4. The coating method of the water-based self-adhesive polyesterimide enameled wire according to claim 1, wherein: the water evaporated from the self-adhesive coating layer in S32 is pure water.
5. The coating method of the water-based self-adhesive polyesterimide enameled wire according to claim 1, wherein: and after the enameled wire with the water-based self-adhesive layer is wound in the S33, the enameled wire can be bonded with each other through the water-based self-adhesive layer under the high-temperature condition, and then the enameled wire is cooled and formed to obtain a required shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210970807.2A CN115295246B (en) | 2022-08-13 | 2022-08-13 | Coating method of water-based self-adhesive polyesterimide enameled wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210970807.2A CN115295246B (en) | 2022-08-13 | 2022-08-13 | Coating method of water-based self-adhesive polyesterimide enameled wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115295246A true CN115295246A (en) | 2022-11-04 |
| CN115295246B CN115295246B (en) | 2023-04-11 |
Family
ID=83830305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210970807.2A Active CN115295246B (en) | 2022-08-13 | 2022-08-13 | Coating method of water-based self-adhesive polyesterimide enameled wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115295246B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002289042A (en) * | 2001-03-26 | 2002-10-04 | Yazaki Corp | Self adhesive insulated electric wire and multi-core parallel insulated electric wire using the same, and their manufacturing apparatus |
| CN109065260A (en) * | 2018-07-25 | 2018-12-21 | 瑞安市中德电工器材有限公司 | A kind of enameled wire and its production technology |
| CN109616259A (en) * | 2018-12-10 | 2019-04-12 | 先登高科电气有限公司 | It is a kind of using water-based insulating paint as the manufacture craft of the enameled wire of insulating layer |
| CN111378345A (en) * | 2018-12-28 | 2020-07-07 | 浙江荣泰科技企业有限公司 | Water-based silicon steel sheet self-adhesive paint and preparation method thereof |
| CN112724793A (en) * | 2021-02-04 | 2021-04-30 | 浙江荣泰科技企业有限公司 | Insulating water-based epoxy self-adhesive paint and preparation method thereof |
-
2022
- 2022-08-13 CN CN202210970807.2A patent/CN115295246B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002289042A (en) * | 2001-03-26 | 2002-10-04 | Yazaki Corp | Self adhesive insulated electric wire and multi-core parallel insulated electric wire using the same, and their manufacturing apparatus |
| CN109065260A (en) * | 2018-07-25 | 2018-12-21 | 瑞安市中德电工器材有限公司 | A kind of enameled wire and its production technology |
| CN109616259A (en) * | 2018-12-10 | 2019-04-12 | 先登高科电气有限公司 | It is a kind of using water-based insulating paint as the manufacture craft of the enameled wire of insulating layer |
| CN111378345A (en) * | 2018-12-28 | 2020-07-07 | 浙江荣泰科技企业有限公司 | Water-based silicon steel sheet self-adhesive paint and preparation method thereof |
| CN112724793A (en) * | 2021-02-04 | 2021-04-30 | 浙江荣泰科技企业有限公司 | Insulating water-based epoxy self-adhesive paint and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115295246B (en) | 2023-04-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101343505B (en) | Preparation method for fire resistant environment-friendly varnished wire hot melt self-adhering paint | |
| JP5397819B2 (en) | Insulating paint and insulated wire using the same | |
| JP6101200B2 (en) | Insulated varnish and insulated wire using the same | |
| KR101104390B1 (en) | Manufacturing method of organic inorganic nanohybrid/nanocomposite varnish materials and the coated electrical wire | |
| CN109468048B (en) | Water-based insulating paint for electronic transformer and preparation method and application thereof | |
| CN101818023A (en) | High temperature-resistant heat-bonding enamelled wire paint and preparation method thereof | |
| CN115295246B (en) | Coating method of water-based self-adhesive polyesterimide enameled wire | |
| CN109616259A (en) | It is a kind of using water-based insulating paint as the manufacture craft of the enameled wire of insulating layer | |
| CN107240995B (en) | Rust prevention method for stator and rotor iron cores | |
| US5141818A (en) | Process for coating metal strip in the coil coating process using coating materials based on polyester imide resins | |
| CN102592752B (en) | Production method of single-coating enamelled wire | |
| CN101299380A (en) | Transformer high temperature index self-adhering transposition conductor and preparation method thereof | |
| CN111234693B (en) | High-temperature-resistant insulating polyimide wire enamel and preparation method thereof | |
| CN109637707A (en) | A kind of Inverter fed motor aluminium base enameled wire and its preparation process | |
| CN113035450B (en) | Production method of nitrogen-free environment-friendly electromagnetic wire and nitrogen-free environment-friendly electromagnetic wire | |
| DE2724913C2 (en) | ||
| CN103514990A (en) | 220-level high-temperature-resistance alcohol-melting self-adhesion enameled wire and producing method thereof | |
| JP5493192B2 (en) | Insulated wire and manufacturing method thereof | |
| JP2008243677A (en) | Resin composition for electric insulation, and coating and enamel wire using it | |
| JP3504858B2 (en) | Solder peelable insulated wire | |
| JP3504859B2 (en) | Insulating paint | |
| JP3490895B2 (en) | Insulated wire | |
| JP3764277B2 (en) | Insulating paint | |
| CN106782919A (en) | Enamel-covered wire and its manufacture method | |
| JP6024490B2 (en) | Polyamideimide paint and insulated wire using the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |