CN1211445C - Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof - Google Patents
Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof Download PDFInfo
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- CN1211445C CN1211445C CNB021373590A CN02137359A CN1211445C CN 1211445 C CN1211445 C CN 1211445C CN B021373590 A CNB021373590 A CN B021373590A CN 02137359 A CN02137359 A CN 02137359A CN 1211445 C CN1211445 C CN 1211445C
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- corona
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The present invention relates to the technical field of electric wires and cables, and particularly to corona-resisting insulated-wire enamel for frequency-variable motors and a preparation process for the corona-resisting insulated-wire enamel. The present invention overcomes the defect of poor corona resistance of the existing corona-resisting insulated-wire enamel for frequency-variable motors and has the technical scheme that the corona-resisting insulated-wire enamel for frequency-variable motors comprises isocyanurate (THEIC) contained polyesterimine paint and a nanometer material for quantum shielding. The present invention is characterized in that the corona-resisting insulated-wire enamel for frequency-variable motors comprises 10 to 20% of dimethyl terephthalate, 4 to 10% of glycerol, 5 to 20% of ethylene glycol, 5 to 12% of THEIC, 0.1 to 0.2% of catalyst, 5 to 15% of dimellitic anhydride, 4 to 8% of 4, 4 to diamino diphenyl ether 0.2 to 0.3% of solidifying agent 4 to 10% of shielding agent 0.5 to 2% of compounding agent 15 to 40% of solvent 10 to 35% of diluting agent and 0.5 to 1.5% of additive. The preparation process for the corona-resisting insulated-wire enamel comprises the THEIC polyesterimine resin production technology, the slurry production technology and the corona-resisting wire enamel preparation technology. The present invention is mainly used for wire enamel for frequency-variable motors.
Description
One, technical field:
What the present invention relates to is technical field of electric wires and cables, particularly corona resistant enamel-covered wire paint for variable frequency motor and preparation technology thereof.
Two, background technology:
Along with developing rapidly of China's electron electric power industry, the variable-frequency motor demand is big, because domestic anti-corona lacquer is subjected to technology limitation, supporting enameled wire corona-resistance property and external product have a long way to go.The principal element of the performance of decision lacquer is product structure and proportioning; the improper impact that then can't tolerate 20KHz frequency high impulse of proportioning to the magnet wire insulation film; cause corona-resistance property poor; be difficult to effectively protect insulating film; prolong electrical machinery life, let alone satisfy the demand of the enameled wire of anti-corona of the variable-frequency motor that the domestic market emerging rapidly.
Three, summary of the invention:
The technical issues that need to address of the present invention are: a kind of rational corona resistant enamel-covered wire paint for variable frequency motor proportioning and preparation technology thereof are provided.
Technical scheme of the present invention is: corona resistant enamel-covered wire paint for variable frequency motor is 100 parts in the gross weight of wire enamel, and the proportioning of its component is:
10 ~ 20 parts of dimethyl terephthalate (DMT);
4 ~ 10 parts of glycerine;
5 ~ 20 parts of ethylene glycol;
5 ~ 12 parts of isocyanuric acid esters (THEIC);
0.1 ~ 0.2 part of catalyzer;
Phthalate anhydride is 5 ~ 15 parts partially;
4.4-4 ~ 8 parts of diamino phenyl ether;
0.2 ~ 0.3 part in solidifying agent;
4 ~ 10 parts of quantum screen nano materials;
0.5 ~ 2 part of Synergist S-421 95;
15 ~ 40 parts of solvents;
10 ~ 35 parts of thinners;
0.5 ~ 1.5 part of auxiliary agent.
Its preparation technology is: contain the production of THEIC polyester imine resin, lacquer man and plant and two partly form, lacquer man's skill is divided for by 1 again) the slurry manufacturing; 2) corona-resistant wire enamel preparation two portions are formed.
By having quantum screen nano material and the polycondensation of lacquer based high molecular, in the preparation of polycondensate,, can add appropriate amount of catalysts for accelerated reaction, synthesis technique can react the generation polyester imine resin with single stage method or two step method.The temperature of transesterification reaction and polycondensation need reduce pressure during polycondensation in 130 ~ 240 ℃ of scopes.Containing THEIC polyester-imide lacquer is prepared by Polymer Synthesizing by industrial chemicals such as alcohol, acid and amines, equivalent percentage composition sum in alcohol, acid and amine is 100 equivalent %, wherein: the above alcohols of binary or ternary: 20-25 equivalent %, can be: ethylene glycol, a condensed ethandiol, 1.4 butyleneglycols, glycerol, TriMethylolPropane(TMP), three (2 hydroxyethyl) isocyanuric acid ester, tetramethylolmethane; The acid anhydride or the ester of above acids of binary and ternary and acid: 20-60 equivalent % can be: terephthalic acid, m-phthalic acid, dimethyl terephthalate (DMT), dimethyl isophthalate, trimellitic acid ester, pyromellitic acid anhydride; Organic amine compound can be: 4.4 diaminodiphenylmethane, 4.4 diaminodiphenyl oxides, mphenylenediamine, benzidine, paracyanogen acid amides etc.;
Contain THEIC polyester imine resin production technique: in THEIC, dimethyl terephthalate (DMT), ethylene glycol and glycerine, add catalyzer, obtain the ester imines through fusion, transesterify, in the ester imines, add diamines and the phthalate anhydride polycondensation of reducing pressure partially, and adding thinner and solvent, dissolve, add solidifying agent and auxiliary agent again and prepare, filter and obtain polyester imine resin solution.
Slurry manufacturing process: the shielding of polyester imine resin solution, quantum is carried out after together pre-dispersed with nano material, Synergist S-421 95, solvent, mixing diluents, ground then, obtain slurry.
The corona-resistant wire enamel blending process: slurry, polyester imine resin solution, solvent, mixing diluents are stirred, filter then, quality inspection, last packing obtains corona-resistant wire enamel.
Wherein solidifying agent, quantum shielding are general commercially available prod with nano material, Synergist S-421 95, solvent, thinner, auxiliary agent.
The obvious advantage of implementing after the above-mentioned technology is: because this technology is carried out in the environment that purifies, insulating property have been increased, having quantum screen nano material and coating with lacquer the based high molecular polycondensation by uniqueness, improve corona-resistance property, reach the ballistic technical indicator of the above high impulse of tolerance 20KHz frequency to the magnet wire insulation film, be able to be approved in variable-frequency motor and use that product performance are higher than international standard.
Four, description of drawings:
Fig. 1 contains THEIC polyester imine resin production technique block diagram for the present invention;
Fig. 2 is a slurry manufacturing process block diagram of the present invention;
Fig. 3 is a corona-resistant wire enamel blending process block diagram of the present invention;
Five, embodiment:
Below the embodiment with the anti-corona lacquer of preparation 100KG is further described the present invention: the proportioning of its component is: 10 kilograms of dimethyl terephthalate (DMT), 5 kilograms of glycerine, 10 kilograms of ethylene glycol, THEIC6 kilogram, 0.1 kilogram of catalyzer, 10 kilograms of inclined to one side phthalate anhydrides, 5 kilograms of 4.4-diamino phenyl ether, 0.2 kilogram in solidifying agent, 5 kilograms of nano materials of quantum shielding, 1.2 kilograms of Synergist S-421 95s, 27 kilograms of solvents, 20 kilograms of thinners, 0.5 kilogram of auxiliary agent.
Contain THEIC polyester imine resin production technique: by said ratio, in THEIC, dimethyl terephthalate (DMT), ethylene glycol and glycerine, add catalyzer, obtain the ester imines through fusion, transesterify, in the ester imines, add diamines and the phthalate anhydride polycondensation of reducing pressure partially, and adding thinner and solvent, dissolve, add solidifying agent and auxiliary agent again and prepare, filter and obtain polyester imine resin solution.The temperature of transesterification reaction and polycondensation need reduce pressure during polycondensation in 130 ~ 240 ℃ of scopes.
Slurry manufacturing process: by said ratio, polyester imine resin solution, quantum shielding are carried out after together pre-dispersed with nano material, Synergist S-421 95, solvent, mixing diluents, grind then, obtain slurry.The corona-resistant wire enamel blending process: slurry, polyester imine resin solution, solvent, mixing diluents are stirred, filter then, quality inspection, last packing obtains corona-resistant wire enamel.
Claims (3)
1, corona resistant enamel-covered wire paint for variable frequency motor is characterized in that: the gross weight in wire enamel is 100 parts, and the proportioning of its component is:
10 ~ 20 parts of dimethyl terephthalate (DMT);
4 ~ 10 parts of glycerine;
5 ~ 20 parts of ethylene glycol;
5 ~ 12 parts of THEIC;
0.1 ~ 0.2 part of catalyzer;
Phthalate anhydride is 5 ~ 15 parts partially;
4.4-4 ~ 8 parts of diamino phenyl ether;
0.2 ~ 0.3 part in solidifying agent;
4 ~ 10 parts of quantum screen nano materials;
0.5 ~ 2 part of Synergist S-421 95;
15 ~ 40 parts of solvents;
10 ~ 35 parts of thinners;
0.5 ~ 1.5 part of auxiliary agent;
At first need prepare polyester imine resin solution: in THEIC, dimethyl terephthalate (DMT), ethylene glycol and glycerine, add catalyzer by said ratio, obtain the ester imines through fusion, transesterify, in the ester imines, add 4.4-diamino phenyl ether and the phthalate anhydride polycondensation of reducing pressure partially, and adding thinner and solvent, dissolve, add solidifying agent and auxiliary agent again and prepare, filter and obtain polyester imine resin solution; By proportioning the shielding of polyester imine resin solution, quantum is carried out after together pre-dispersedly then with nano material, Synergist S-421 95, solvent, mixing diluents, ground then, obtain slurry; At last slurry, polyester imine resin solution, solvent, mixing diluents are stirred, filter then, quality inspection, last packing obtains corona-resistant wire enamel.
2, a kind of preparation technology as claim 1 corona resistant enamel-covered wire paint for variable frequency motor is characterized in that may further comprise the steps:
A, in THEIC, dimethyl terephthalate (DMT), ethylene glycol and glycerine, add catalyzer by said ratio, obtain the ester imines through fusion, transesterify, in the ester imines, add 4.4-diamino phenyl ether and the phthalate anhydride polycondensation of reducing pressure partially, and adding thinner and solvent, dissolve, add solidifying agent and auxiliary agent again and prepare, filter and obtain polyester imine resin solution;
B, slurry manufacturing process: the shielding of polyester imine resin solution, quantum is carried out after together pre-dispersed with nano material, Synergist S-421 95, solvent, mixing diluents, ground then, obtain slurry;
C, corona-resistant wire enamel blending process: slurry, polyester imine resin solution, solvent, mixing diluents are stirred, filter then, quality inspection, last packing obtains corona-resistant wire enamel.
3, preparation technology according to claim 2 is characterized in that: the temperature of transesterification reaction and polycondensation need reduce pressure during polycondensation in 130 ~ 240 ℃ of scopes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021373590A CN1211445C (en) | 2002-10-09 | 2002-10-09 | Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021373590A CN1211445C (en) | 2002-10-09 | 2002-10-09 | Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1488697A CN1488697A (en) | 2004-04-14 |
| CN1211445C true CN1211445C (en) | 2005-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB021373590A Expired - Fee Related CN1211445C (en) | 2002-10-09 | 2002-10-09 | Corona resistant enamel-covered wire paint for variable frequency motor and preparing process thereof |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101148559B (en) * | 2007-09-04 | 2010-12-08 | 丹阳利华电子有限公司 | Enameled wire paint for copper cladding aluminum and producing technique thereof |
| CN101177585B (en) * | 2007-11-23 | 2010-04-14 | 中电电气集团有限公司 | Method for manufacturing polyesterimide enamelled wire paint |
| CN102115532B (en) * | 2009-12-30 | 2013-11-06 | 上海杰事杰新材料(集团)股份有限公司 | Polyster elastomer foam material with high melt strength and preparation method thereof |
| CN102115533B (en) * | 2009-12-30 | 2013-06-12 | 上海杰事杰新材料(集团)股份有限公司 | Low-temperature-resistant polyester elastomer with mixed soft segment and preparation method thereof |
| CN102352174A (en) * | 2011-06-12 | 2012-02-15 | 常州虹波涂料有限公司 | Preparation method for modified polyester wire enamel |
| CN102618160B (en) * | 2012-03-16 | 2013-09-11 | 丹阳四达化工有限公司 | Method for synthesizing C-level polyurethane wire enamel |
| CN103740243A (en) * | 2013-11-25 | 2014-04-23 | 铜陵天河特种电磁线有限公司 | Alkyd resin wire enamel and preparation method thereof |
| CN103740242A (en) * | 2013-11-25 | 2014-04-23 | 铜陵天河特种电磁线有限公司 | Nano-modified corona resistant wire enamel and preparation method thereof |
| CN103725193A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Nano-modification corona-resistant wire enamel and preparation method thereof |
| CN103725242A (en) * | 2013-11-25 | 2014-04-16 | 铜陵天河特种电磁线有限公司 | Corona resistant wire enamel for variable frequency motor and preparation method thereof |
| CN104140757B (en) * | 2014-08-15 | 2016-03-30 | 无锡百川化工股份有限公司 | A kind of method of producing polyesterimide wire enamel |
| CN104387958A (en) * | 2014-12-03 | 2015-03-04 | 四川优特光电科技有限公司 | Ultraviolet-curing insulating paint with high heat resistance grade and preparation method of ultraviolet-curing insulating paint with high heat resistance grade |
| CN104592888B (en) * | 2015-02-05 | 2017-01-25 | 江苏亚威变压器有限公司 | High-moisture resistance wire enamel for dry-type electric transformers |
| CN104592885B (en) * | 2015-02-05 | 2017-02-22 | 江苏亚威变压器有限公司 | Wire enamel for transformer |
| CN104616743B (en) * | 2015-02-05 | 2017-01-25 | 江苏亚威变压器有限公司 | High-hydrophobicity enameled wire for dry-type power transformer |
| CN107384188A (en) * | 2017-07-25 | 2017-11-24 | 芜湖乾凯材料科技有限公司 | A kind of nano-composite insulating of resistance to frequency conversion material and preparation method thereof |
| CN114539913A (en) * | 2022-01-07 | 2022-05-27 | 珠海格力电工有限公司 | Preparation method of polyester-imide insulating paint and polyester-imide insulating paint |
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2002
- 2002-10-09 CN CNB021373590A patent/CN1211445C/en not_active Expired - Fee Related
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