CN104449526A - Preparation method of binder used for enameled wire with strong adhesion force - Google Patents
Preparation method of binder used for enameled wire with strong adhesion force Download PDFInfo
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- CN104449526A CN104449526A CN201310420990.XA CN201310420990A CN104449526A CN 104449526 A CN104449526 A CN 104449526A CN 201310420990 A CN201310420990 A CN 201310420990A CN 104449526 A CN104449526 A CN 104449526A
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- enameled wire
- preparation
- binding agent
- diacid
- room temperature
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Abstract
The invention relates to a preparation method of a binder used for enameled wire with strong adhesion force, which comprises the following steps: 1)preparing resin: employing N-methyl pyrrolidone, diisocyanate and diacid to prepare resin, adding N-methyl pyrrolidone, diisocyanate and diacid in order under a stirring state, gradually heating from room temperature to 190 DEG C, when the color of a reactant is transparent, cooling to room temperature; and 2)preparing the binder; taking the resin and xylene, stirring for 3 hours under room temperature to prepare the binder used for the enameled wire. The prepared binder has the advantages of good bonding strength, by using the binder as a priming paint, a common enameled wire paint is used as a finishing coat for coating on the enameled wire, adhesion force of the enameled wire paint is increased, and other performances of the enameled wire can not be influenced.
Description
Technical field
The present invention relates to a kind of preparation method of enameled wire binding agent of strong adhesion.
Background technology
Wire enamel is the indispensable electrical insulating coating being applied to electrical equipment, is one of critical materials controlling electric installation economic and technical norms and operation life.The insulation layer (i.e. enameled wire coat) that enameled wire is coated with, should have good heat, electricity, machinery and chemical resistance.
Have the requirement of strong adhesive force at special occasions to wire enamel, common wire enamel cannot meet this requirement, therefore needs to use wire enamel binding agent.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of preparation method of enameled wire binding agent of strong adhesion.
For solving the problems of the technologies described above, the invention provides a kind of preparation method of enameled wire binding agent of strong adhesion, comprising the steps:
(1) preparation method of resin: adopt N-Methyl pyrrolidone, vulcabond, diacid to prepare resin, wherein vulcabond comprises: diphenylmethanediisocyanate, tolylene diisocyanate, 1, one or more in hexamethylene-diisocyanate, isophorone diisocyanate, diacid comprises: one or more in terephthalic acid, m-phthalic acid, long chain diacid, the mol ratio of vulcabond and diacid is 1:1, and the mol ratio of N-Methyl pyrrolidone and vulcabond is 10:1;
Concrete preparation process: add N-Methyl pyrrolidone, vulcabond, diacid successively under whipped state, is progressively raised to 190 DEG C from room temperature, and question response is cooled to room temperature to transparent;
(2) preparation method of binding agent: get above-mentioned resin, dimethylbenzene, at room temperature stir and can obtain enameled wire binding agent in 3 hours, wherein the mol ratio of resin and dimethylbenzene is 7:3.
An enameled wire binding agent for strong adhesion, it adopts above-mentioned preparation method to obtain.
When this enameled wire binding agent uses, binding agent makees priming paint, common polyamide imide enamelled wire varnishes does finish paint, by 2 layers, priming paint, finish paint 7 layers of overcoating on enameled wire, thus improves the sticking power of wire enamel.
Technique effect of the present invention: the enameled wire binding agent cohesive strength that the present invention prepares is good, strong adhesion, by binding agent is made priming paint, common wire enamel does finish paint and is coated on enameled wire, improve the adhesive ability of wire enamel, and do not affect other performances of enameled wire; This enameled wire binding agent wide adaptability, can be used for the sticking power strengthening multiple wire enamel.
Embodiment
Embodiment 1
The preparation method of the enameled wire binding agent of the present embodiment, comprises the steps:
(1) preparation method of resin: get N-Methyl pyrrolidone 10 parts, diphenylmethanediisocyanate 0.5 part, 1, hexamethylene-diisocyanate 0.5 part, terephthalic acid 0.5 part, hexanodioic acid 0.5 part, N-Methyl pyrrolidone, diphenylmethanediisocyanate, 1 is added successively under whipped state, hexamethylene-diisocyanate, terephthalic acid, hexanodioic acid, progressively be raised to 190 DEG C from room temperature, question response is cooled to room temperature to transparent;
(2) preparation method of binding agent: get above-mentioned resin 70 parts, dimethylbenzene 30 parts, at room temperature stirs and can obtain enameled wire binding agent in 3 hours.
Obtained enameled wire binding agent priming paint, common polyamide imide enamelled wire varnishes (as four STAI68 reaching Chemical Co., Ltd.) are done finish paint, by 2 layers, priming paint, finish paint 7 layers of overcoating enameled wire.
Embodiment 2
The preparation method of the enameled wire binding agent of the present embodiment, comprises the steps:
(1) preparation method of resin: get N-Methyl pyrrolidone 10 parts, diphenylmethanediisocyanate 0.8 part, tolylene diisocyanate 0.2 part, terephthalic acid 0.5 part, m-phthalic acid 0.5 part, N-Methyl pyrrolidone, diphenylmethanediisocyanate, tolylene diisocyanate, terephthalic acid, m-phthalic acid is added successively under whipped state, progressively be raised to 200 DEG C from room temperature, question response is cooled to room temperature to transparent;
(2) preparation method of binding agent: get above-mentioned resin 70 parts, dimethylbenzene 30 parts, at room temperature stirs and can obtain enameled wire binding agent in 3 hours.
Obtained enameled wire binding agent priming paint, common polyamide imide enamelled wire varnishes (as four STAI68 reaching Chemical Co., Ltd.) are done finish paint, by 2 layers, priming paint, finish paint 7 layers of overcoating enameled wire.
Comparative example: with common polyamide imide enamelled wire varnishes (as four STAI68 reaching Chemical Co., Ltd.), coat enameled wire.
Comparative example and embodiment performance test as shown in the table.
Claims (2)
1. a preparation method for enameled wire binding agent, is characterized in that comprising the steps:
(1) preparation method of resin: adopt N-Methyl pyrrolidone, vulcabond, diacid to prepare resin, N-Methyl pyrrolidone, vulcabond, diacid is added successively under whipped state, progressively be raised to 190 DEG C from room temperature, question response is cooled to room temperature to transparent, wherein the mol ratio of vulcabond and diacid is 1:1, and the mol ratio of N-Methyl pyrrolidone and vulcabond is 10:1;
(2) preparation method of binding agent: get above-mentioned resin, dimethylbenzene, at room temperature stir and can obtain enameled wire binding agent in 3 hours, wherein the mol ratio of resin and dimethylbenzene is 7:3.
2. the preparation method of enameled wire binding agent as claimed in claim 1, it is characterized in that: in step (1), vulcabond comprises: diphenylmethanediisocyanate, tolylene diisocyanate, 1, one or more in hexamethylene-diisocyanate, isophorone diisocyanate, diacid comprises: one or more in terephthalic acid, m-phthalic acid, long chain diacid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420990.XA CN104449526A (en) | 2013-09-16 | 2013-09-16 | Preparation method of binder used for enameled wire with strong adhesion force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310420990.XA CN104449526A (en) | 2013-09-16 | 2013-09-16 | Preparation method of binder used for enameled wire with strong adhesion force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104449526A true CN104449526A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310420990.XA Pending CN104449526A (en) | 2013-09-16 | 2013-09-16 | Preparation method of binder used for enameled wire with strong adhesion force |
Country Status (1)
| Country | Link |
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| CN (1) | CN104449526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604144A (en) * | 2021-08-09 | 2021-11-05 | 红旗集团江西铜业有限公司 | Hot-melt self-adhesive paint and application thereof in enameled wire |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449424A (en) * | 2000-08-25 | 2003-10-15 | 施奈克泰迪国际公司 | Polyamide-imide resin solution and the use thereof for producing wire enamels |
| CN101124270A (en) * | 2005-02-21 | 2008-02-13 | Ls电线有限公司 | Enamel vanish composition for enamel wire and enamel wire using the same |
| CN102618160A (en) * | 2012-03-16 | 2012-08-01 | 丹阳四达化工有限公司 | Method for synthesizing C-level polyurethane wire enamel |
-
2013
- 2013-09-16 CN CN201310420990.XA patent/CN104449526A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1449424A (en) * | 2000-08-25 | 2003-10-15 | 施奈克泰迪国际公司 | Polyamide-imide resin solution and the use thereof for producing wire enamels |
| CN101124270A (en) * | 2005-02-21 | 2008-02-13 | Ls电线有限公司 | Enamel vanish composition for enamel wire and enamel wire using the same |
| CN102618160A (en) * | 2012-03-16 | 2012-08-01 | 丹阳四达化工有限公司 | Method for synthesizing C-level polyurethane wire enamel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113604144A (en) * | 2021-08-09 | 2021-11-05 | 红旗集团江西铜业有限公司 | Hot-melt self-adhesive paint and application thereof in enameled wire |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |