CN106632880A - Curing agent for unsaturated polyester insulating paint and preparation process of curing gent - Google Patents
Curing agent for unsaturated polyester insulating paint and preparation process of curing gent Download PDFInfo
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- CN106632880A CN106632880A CN201611195982.XA CN201611195982A CN106632880A CN 106632880 A CN106632880 A CN 106632880A CN 201611195982 A CN201611195982 A CN 201611195982A CN 106632880 A CN106632880 A CN 106632880A
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- Prior art keywords
- component
- curing agent
- curing
- tert
- pentyl ester
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/01—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to unsaturated polyesters
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Abstract
The invention belongs to the technical field of curing agents, particularly relates to a curing agent for unsaturated polyester insulating paint and a preparation process of the curing gent, and solves the technical problems of the prior art, such as short service cycle. The curing agent comprises component A and component B having a ratio of 100:(1-2). The preparation process of the curing agent comprises: A, preparing materials; B, curing by crosslinking. The curing agent and the preparation process thereof have the advantages that the process is simple and the shelf life of the curing agent is long.
Description
Technical field
The invention belongs to curing agent technical field, more particularly to a kind of curing agent for unsaturated polyester insulating lacquer and its
Preparation technology.
Background technology
The curing agent of traditional unsaturated polyester (UP) H levels drop paint, its validity period is shorter during client's use, normal temperature bar
Substantially the use requirement of client can be met under part；In the case of south or summer temperature height, the first and second components are prepared, and the same day is just
The defects such as gel, plugging occur.
Traditional initiator composition is peroxidized t-butyl perbenzoate.Guarantee drying time, gel time, cohesive force and
Under conditions of electrical property etc. is all equal with old curing agent, the conventional curing agents containing the initiator, its Storage period is shorter, storage
The phase of depositing is 3-5 days/40 DEG C, and its scope of application is narrower and cannot meet the use requirement of zones of different.
The content of the invention
The purpose of the present invention is for the problems referred to above, there is provided a kind of Storage period it is longer for unsaturated polyester insulating lacquer
Curing agent.
Another object of the present invention is for the problems referred to above, there is provided a kind of process is simple and can significantly extend storage
The preparation technology of the curing agent of phase.
To reach above-mentioned purpose, following technical proposal is present invention employs：This is used for the solidification of unsaturated polyester insulating lacquer
Agent includes following components：The proportioning of first component and component B and described first component and component B is 100:1-2；
Described first component includes the component of following portions by weight：M-phthalic acid 16-20%, maleic anhydride 18-
22%, neopentyl glycol 28-32%, styrene 23-27%, crosslinking agent 3-7% and accelerator 1-3%；
Described component B is initiator, and its component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester
10-15%, peroxidating Malaysia tert-butyl acrylate 15-20%, perbenzoic acid spy pentyl ester 30-40%, tert-butyl hydroperoxide isopropyl
Benzene 10-15% and di-tert-butyl peroxide 5-10%.
In the above-mentioned curing agent for unsaturated polyester insulating lacquer, described first component includes following portions by weight
Component：M-phthalic acid 18%, maleic anhydride 20%, neopentyl glycol 30%, styrene 25%, crosslinking agent 5% and promotion
Agent 2%.
In the above-mentioned curing agent for unsaturated polyester insulating lacquer, described component B includes following portions by weight
Component：Peracetic acid spy's pentyl ester 12.5%, peroxidating Malaysia tert-butyl acrylate 17.5%, perbenzoic acid spy's pentyl ester 35%,
Cumyl t-butyl peroxide 12.5% and di-tert-butyl peroxide 7.5%.
In the above-mentioned curing agent for unsaturated polyester insulating lacquer, described first component and component B crosslinking curing.
The preparation technology of this curing agent, curing agent is used to extend the validity period of unsaturated polyester insulating lacquer, and this technique includes
Following steps：
A, get the raw materials ready：
First component is prepared, described first component includes following components：M-phthalic acid, maleic anhydride, neopentyl glycol,
Styrene, crosslinking agent and accelerator；
Component B is prepared, component B is initiator, described component B includes following components：Peracetic acid spy's pentyl ester,
Peroxidating Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester, cumyl t-butyl peroxide and di-tert-butyl peroxide；
B, crosslinking curing：By the first component and component B in step A according to 100:The ratio of 1-2 carries out crosslinking curing, i.e.,
Prepared curing agent finished product.
In the preparation technology of above-mentioned curing agent, in above-mentioned step A, described first component passes through synthesis technique system
Obtain and the synthesis technique comprises the steps：
A1, into mixed reactor it is passed through nitrogen；
A2, successively input M-phthalic acid, maleic anhydride and neopentyl glycol into mixed reactor, feed intake and finish
After heated and heating and temperature control is at 160-175 DEG C, start esterification；
A3, heating-up temperature is gradually risen, finally heated temperature is maintained between 200-210 DEG C, then carries out insulation reaction,
Until acid number is up to standard；
A4, acid number are up to standard to be lowered the temperature, and after temperature is reduced to below 130 DEG C, then is added successively into mixed reactor
Enter crosslinking agent, styrene and accelerator, test after being well mixed, check it is qualified carry out it is filling.
Mixed reactor includes agitator.
In the preparation technology of above-mentioned curing agent, in above-mentioned step A, described component B passes through synthesis technique system
Obtain and the synthesis technique comprises the steps：Under not higher than 30 DEG C environment temperatures, successively in proportion in clean reactor
Input peracetic acid spy's pentyl ester, peroxidating Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester, cumyl t-butyl peroxide
And di-tert-butyl peroxide, to test after stirring, discharging after the assay was approved packages spare.
In the preparation technology of above-mentioned curing agent, in above-mentioned step A, described first component includes following weight parts
Several components：M-phthalic acid 16-20%, maleic anhydride 18-22%, neopentyl glycol 28-32%, styrene 23-27%,
Crosslinking agent 3-7% and accelerator 1-3%.
In the preparation technology of above-mentioned curing agent, in above-mentioned step A, described component B includes following weight parts
Several components：Peracetic acid spy pentyl ester 10-15%, peroxidating Malaysia tert-butyl acrylate 15-20%, perbenzoic acid spy's pentyl ester
30-40%, cumyl t-butyl peroxide 10-15% and di-tert-butyl peroxide 5-10%.
In the preparation technology of above-mentioned curing agent, in above-mentioned step B, described curing agent finished product is below 45 DEG C
When storage time be 2-5 times of conventional curing agents storage time.
Compared with prior art, the advantage of this curing agent and its preparation technology that are used for unsaturated polyester insulating lacquer exists
In：
1st, composition is arranged more rationally, guarantee drying time, gel time, cohesive force and electrical property etc. all with old solidification
Under conditions of agent is equal, its validity period that can extend unsaturated polyester insulating lacquer.
2nd, process is simple and the Storage period of curing agent can significantly be extended.
3rd, the scope of application of curing agent is expanded.
Specific embodiment
The specific embodiment of invention is the following is, technical scheme is further described, but the present invention is not
It is limited to these embodiments.
Embodiment one
This curing agent for being used for unsaturated polyester insulating lacquer includes following components：First component and component B and described first group
Part is 100 with the proportioning of component B:1-2；Crosslinking curing is carried out at a certain temperature, so as to form one layer of hard paint film, is extended
The service life of motor.
Described first component includes the component of following portions by weight：M-phthalic acid 16-20%, maleic anhydride 18-
22%, neopentyl glycol 28-32%, styrene 23-27%, crosslinking agent 3-7% and accelerator 1-3%；
Described component B is initiator, and its component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester
10-15%, peroxidating Malaysia tert-butyl acrylate 15-20%, perbenzoic acid spy pentyl ester 30-40%, tert-butyl hydroperoxide isopropyl
Benzene 10-15% and di-tert-butyl peroxide 5-10%.From the curing agent of this 5 kinds of peroxide combination Cheng Xin of component B,
The curing activity under low temperature (less than 45 DEG C) is reduced, extends the life-span of insulated paint, the activity under the conditions of high temperature (120-130 DEG C) is not
Become, i.e., insulated paint can be fully cured at the appointed time.
Described first component and component B crosslinking curing.
Under conditions of guaranteeing that drying time, gel time, cohesive force and electrical property etc. are all equal with old curing agent, it
Storage period to grow, new curing agent Storage period is 25 days/40 DEG C.
M-phthalic acid：Adjust the density of unsaturated double-bond；
Maleic anhydride：The quantity of synthesis unsaturated polyester (UP) and unsaturated double-bond；
Neopentyl glycol：The property of control unsaturated polyester (UP) backbone structure；
Styrene：Adjust the viscosity of unsaturated polyester (UP)；
Crosslinking agent：Unsaturated polyester (UP) molecule cross-link is set to reticulate structure；
Accelerator：It is used in combination with initiator, promotes reaction rate.
Initiator：Cause unsaturated polyester cross-linking solidification under the conditions of uniform temperature.
As the optimization scheme of the present embodiment,
First component described in the present embodiment includes the component of following portions by weight：M-phthalic acid 18%, maleic acid
Acid anhydride 20%, neopentyl glycol 30%, styrene 25%, crosslinking agent 5% and accelerator 2%.
Described component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester 12.5%, peroxidating Malaysia
Tert-butyl acrylate 17.5%, perbenzoic acid spy's pentyl ester 35%, cumyl t-butyl peroxide 12.5% and di-t-butyl peroxide
Compound 7.5%.
The preparation technology of this curing agent, curing agent is used to extend the validity period of unsaturated polyester insulating lacquer, and this technique includes
Following steps：
A, get the raw materials ready：
First component is prepared, described first component includes following components：M-phthalic acid, maleic anhydride, neopentyl glycol,
Styrene, crosslinking agent and accelerator；
Component B is prepared, component B is initiator, described component B includes following components：Peracetic acid spy's pentyl ester,
Peroxidating Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester, cumyl t-butyl peroxide and di-tert-butyl peroxide；
B, crosslinking curing：By the first component and component B in step A according to 100:The ratio of 1-2 carries out crosslinking curing, i.e.,
Prepared curing agent finished product.
In above-mentioned step A, described first component is obtained by synthesis technique and the synthesis technique comprises the steps：
A1, into mixed reactor it is passed through nitrogen；
A2, successively input M-phthalic acid, maleic anhydride and neopentyl glycol into mixed reactor, feed intake and finish
After heated and heating and temperature control is at 160-175 DEG C, start esterification；
A3, heating-up temperature is gradually risen, finally heated temperature is maintained between 200-210 DEG C, then carries out insulation reaction,
Until acid number is up to standard；
A4, acid number are up to standard to be lowered the temperature, and after temperature is reduced to below 130 DEG C, then is added successively into mixed reactor
Enter crosslinking agent, styrene and accelerator, test after being well mixed, check it is qualified carry out it is filling.
In above-mentioned step A, described component B is obtained by synthesis technique and the synthesis technique comprises the steps：
Under not higher than 30 DEG C environment temperatures, input peracetic acid spy's pentyl ester, peroxidating in clean reactor in proportion successively
Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester, cumyl t-butyl peroxide and di-tert-butyl peroxide, stir
After test, after the assay was approved discharging package spare.
In above-mentioned step A, described first component includes the component of following portions by weight：M-phthalic acid 16-20%,
Maleic anhydride 18-22%, neopentyl glycol 28-32%, styrene 23-27%, crosslinking agent 3-7% and accelerator 1-3%.
In above-mentioned step A, described component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester
10-15%, peroxidating Malaysia tert-butyl acrylate 15-20%, perbenzoic acid spy pentyl ester 30-40%, tert-butyl hydroperoxide isopropyl
Benzene 10-15% and di-tert-butyl peroxide 5-10%.
In above-mentioned step B, storage time is conventional curing agents storage when described curing agent finished product is below 45 DEG C
2-5 times of time.
Two kinds of curing agent indices compare
Two kinds of insulated paint indices compare
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, though therefore not to repeat here, different place
It is：
Described first component includes the component of following portions by weight：M-phthalic acid 16%, maleic anhydride 18%, newly
Pentanediol 28%, styrene 23%, crosslinking agent 3% and accelerator 1%；
Described component B is initiator, and its component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester
10%, peroxidating Malaysia tert-butyl acrylate 15%, perbenzoic acid spy's pentyl ester 30%, cumyl t-butyl peroxide 10% and two
Tert-butyl peroxide 5%.
Embodiment three
The present embodiment is essentially identical with the structure and principle of embodiment one, though therefore not to repeat here, different place
It is：
Described first component includes the component of following portions by weight：M-phthalic acid 20%, maleic anhydride 22%, newly
Pentanediol 32%, styrene 27%, crosslinking agent 7% and accelerator 3%；
Described component B is initiator, and its component B includes the component of following portions by weight：Peracetic acid spy's pentyl ester
15%, peroxidating Malaysia tert-butyl acrylate 20%, perbenzoic acid spy's pentyl ester 40%, cumyl t-butyl peroxide 15% and two
Tert-butyl peroxide 10%.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications to described specific embodiment or supplement or replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. a kind of curing agent for unsaturated polyester insulating lacquer, it is characterised in that this curing agent including following components：First group
The proportioning of part and component B and described first component and component B is 100:1-2；
Described first component includes the component of following portions by weight：M-phthalic acid 16-20%, maleic anhydride 18-22%,
Neopentyl glycol 28-32%, styrene 23-27%, crosslinking agent 3-7% and accelerator 1-3%；
Described component B is initiator, and its component B includes the component of following portions by weight：Peracetic acid spy pentyl ester 10-
15%, peroxidating Malaysia tert-butyl acrylate 15-20%, perbenzoic acid spy pentyl ester 30-40%, cumyl t-butyl peroxide
10-15% and di-tert-butyl peroxide 5-10%.
2. the curing agent for unsaturated polyester insulating lacquer according to claim 1, it is characterised in that described first component
Including the component of following portions by weight：M-phthalic acid 18%, maleic anhydride 20%, neopentyl glycol 30%, styrene
25%, crosslinking agent 5% and accelerator 2%.
3. the curing agent for unsaturated polyester insulating lacquer according to claim 1, it is characterised in that described component B
Including the component of following portions by weight：Peracetic acid spy's pentyl ester 12.5%, peroxidating Malaysia tert-butyl acrylate 17.5%, peroxidating
Benzoic acid spy's pentyl ester 35%, cumyl t-butyl peroxide 12.5% and di-tert-butyl peroxide 7.5%.
4. the curing agent for unsaturated polyester insulating lacquer according to claim 1, it is characterised in that described first component
With component B crosslinking curing.
5. a kind of preparation technology of curing agent, curing agent is used to extend the validity period of unsaturated polyester insulating lacquer, it is characterised in that
This technique comprises the steps：
A, get the raw materials ready：
First component is prepared, described first component includes following components：M-phthalic acid, maleic anhydride, neopentyl glycol, benzene second
Alkene, crosslinking agent and accelerator；
Component B is prepared, component B is initiator, described component B includes following components：Peracetic acid spy's pentyl ester, peroxide
Change Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester, cumyl t-butyl peroxide and di-tert-butyl peroxide；
B, crosslinking curing：By the first component and component B in step A according to 100:The ratio of 1-2 carries out crosslinking curing, that is, be obtained
Curing agent finished product.
6. the preparation technology of curing agent according to claim 5, it is characterised in that in above-mentioned step A, described first
Component is obtained by synthesis technique and the synthesis technique comprises the steps：
A1, into mixed reactor it is passed through nitrogen；
A2, successively input M-phthalic acid, maleic anhydride and neopentyl glycol into mixed reactor, feeding intake, it is laggard to finish
Row is heated and heating and temperature control is at 160-175 DEG C, starts esterification；
A3, heating-up temperature is gradually risen, finally heated temperature is maintained between 200-210 DEG C, then carries out insulation reaction, until
Acid number is up to standard；
A4, acid number are up to standard to be lowered the temperature, and after temperature is reduced to below 130 DEG C, then friendship is sequentially added into mixed reactor
Connection agent, styrene and accelerator, test after being well mixed, check it is qualified carry out it is filling.
7. the preparation technology of curing agent according to claim 5, it is characterised in that in above-mentioned step A, described second
Component is obtained by synthesis technique and the synthesis technique comprises the steps：Under not higher than 30 DEG C environment temperatures, successively by than
Example input peracetic acid spy's pentyl ester in clean reactor, peroxidating Malaysia tert-butyl acrylate, perbenzoic acid spy's pentyl ester,
Cumyl t-butyl peroxide and di-tert-butyl peroxide, test after stirring, after the assay was approved spout bag equipment
With.
8. the preparation technology of curing agent according to claim 6, it is characterised in that in above-mentioned step A, described first
Component includes the component of following portions by weight：M-phthalic acid 16-20%, maleic anhydride 18-22%, neopentyl glycol 28-
32%, styrene 23-27%, crosslinking agent 3-7% and accelerator 1-3%.
9. the preparation technology of curing agent according to claim 5, it is characterised in that in above-mentioned step A, described second
Component includes the component of following portions by weight：Peracetic acid spy pentyl ester 10-15%, peroxidating Malaysia tert-butyl acrylate 15-20%,
Perbenzoic acid spy pentyl ester 30-40%, cumyl t-butyl peroxide 10-15% and di-tert-butyl peroxide 5-10%.
10. the preparation technology of curing agent according to claim 5, it is characterised in that described in above-mentioned step B
Storage time is 2-5 times of conventional curing agents storage time when curing agent finished product is below 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195982.XA CN106632880B (en) | 2016-12-22 | 2016-12-22 | Curing agent and its preparation process for unsaturated polyester insulating lacquer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611195982.XA CN106632880B (en) | 2016-12-22 | 2016-12-22 | Curing agent and its preparation process for unsaturated polyester insulating lacquer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106632880A true CN106632880A (en) | 2017-05-10 |
| CN106632880B CN106632880B (en) | 2018-09-25 |
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| CN201611195982.XA Active CN106632880B (en) | 2016-12-22 | 2016-12-22 | Curing agent and its preparation process for unsaturated polyester insulating lacquer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278109A (en) * | 2021-04-25 | 2021-08-20 | 浙江祺阳新材料有限公司 | Low-volatility high-performance environment-friendly insulating resin and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646215A (en) * | 2002-04-15 | 2005-07-27 | 施奈克泰迪国际公司 | Microcapsules for the production of storage-stable unsaturated polymer compositions |
| CN1796429A (en) * | 2004-12-20 | 2006-07-05 | 上海电动工具研究所 | Solidifiable resin composition in single constituent |
| CN101555308A (en) * | 2008-11-06 | 2009-10-14 | 常州市华润复合材料有限公司 | Unsaturated polyester resin for alpine rock |
-
2016
- 2016-12-22 CN CN201611195982.XA patent/CN106632880B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1646215A (en) * | 2002-04-15 | 2005-07-27 | 施奈克泰迪国际公司 | Microcapsules for the production of storage-stable unsaturated polymer compositions |
| CN1796429A (en) * | 2004-12-20 | 2006-07-05 | 上海电动工具研究所 | Solidifiable resin composition in single constituent |
| CN101555308A (en) * | 2008-11-06 | 2009-10-14 | 常州市华润复合材料有限公司 | Unsaturated polyester resin for alpine rock |
Non-Patent Citations (1)
| Title |
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| 李绮莹: "改性不饱和聚酯浸渍漆贮存期的研究", 《工程塑料应用》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278109A (en) * | 2021-04-25 | 2021-08-20 | 浙江祺阳新材料有限公司 | Low-volatility high-performance environment-friendly insulating resin and preparation method thereof |
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| CN106632880B (en) | 2018-09-25 |
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