CN109836953A - A kind of synthetic method of water-based insulating paint resin - Google Patents
A kind of synthetic method of water-based insulating paint resin Download PDFInfo
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- CN109836953A CN109836953A CN201910057542.5A CN201910057542A CN109836953A CN 109836953 A CN109836953 A CN 109836953A CN 201910057542 A CN201910057542 A CN 201910057542A CN 109836953 A CN109836953 A CN 109836953A
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- water
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- based insulating
- insulating paint
- paint resin
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Abstract
The invention discloses a kind of water-based insulating paint resins, are mainly prepared from the following raw materials in parts by weight: 300-350 parts of methyl methacrylate, 15-30 parts of ethyl acrylate, 130-160 parts of butyl acrylate, 110-140 parts of acrylic acid, 10-35 parts of epoxy phosphate ester, 1-8 parts of initiator, 300-400 parts of solvent and 0.1-2 parts of catalyst.The present invention introduces epoxy phosphate ester during synthesizing water-base resin to be modified, epoxy group and bound phosphate groups are introduced, epoxy group is preferable to the adhesive force of substrate because there is epoxy group, bound phosphate groups have slight corrosion to the magnetic core of high frequency transformer, effectively enhance wet adhesion.
Description
Technical field
The present invention relates to insulated paint resin arts, and in particular to a kind of water-based insulating paint resin and its synthetic method.
Background technique
Electronic chemical product, also known as electronic chemical materials.Generally refer to the specialty chemicals and chemical industry material that electronics industry uses
Material, i.e. electronic component, printed wiring board, industry and consumer complete machine produce and are packed for various chemicals and material.Its quilt
" jewel " being described as in chemicals, insulated paint are the biggish kinds of consumption in electronic chemical product.In recent years with ring
The appealing of guaranteed request is higher and higher, and every country has all formulated relevant laws and regulations strictly to limit the organic volatile in coating
(VOC) discharge, developing water-based insulating paint also seems very urgent, and the premise of the Water-borne modification of insulated paint is the aqueous of resin
Change.
Currently, water-based insulating paint in the market mainly has following a few classes: 1, alkyd-type water-based insulating paint: alkyd resin
Type insulated paint is the maximum a kind of insulated paint of dosage, and alkyd heat resistance is not strong, and anti-breakdown voltage is not strong, but cheap, mainly
With on middle and small motor.2, polyester-type water-based insulating paint: the electrical insulating property of water base polyester is excellent in waterborne alkyd resin, has
Outstanding high temperature insulation, waterborne polyester can be used as current F grades and its above water-based insulating paint uses.The water of waterborne polyester synthesis
The comprehensive performance of property polyester paint film is good, is good lamination coating.3, water-base epoxy insulated paint: the machinery of epoxy resin is strong
Degree, excellent electrical properties, chemical resistance, moisture resistance is good, and shrinking percentage is small, and good with the cementability of other materials and compatibility,
But price is high.Major part needs to be made into bi-component, and construction is inconvenient.4, aqueous polyimide insulative paint: this resinoid is tool
There is the high-performance polymer of superior heat-stability, prominent mechanical property and good electrical performance.The country is still not perfect at present, state
Outer comparative maturity；Its primary insulation for being used primarily in copper wire.
Above several classes be not for high frequency transformer, this several class with all not having solderability on high frequency transformer,
And wet adhesion and dry film adhesive force are all undesirable.
Therefore, it is necessary to study a kind of water-based insulating paint resin that can be applied to high frequency transformer.
Summary of the invention
The object of the present invention is to provide a kind of water-based insulating paint resin and its synthetic methods, and which introduce epoxy phosphates
Different initiator and catalyst are added dropwise using segmentation for ester, technique, and the water-based insulating paint that the resin that the present invention synthesizes is prepared solves
Existing water-based insulating paint wet adhesion on high frequency transformer is poor, and after transformer immersion oil back suction vacuum, the oil mass of attachment is few, light
Damp low, the problem of tightness difference, while solderability is taken into account again, solve industry problems, and the water-based insulating paint that the present invention prepares
Low taste, environmental protection, rate of drying are fast, complete alternative oiliness insulated paint existing in the market.
The present invention is achieved by the following technical solutions:
A kind of water-based insulating paint resin, is mainly prepared from the following raw materials in parts by weight: methyl methacrylate 300-
350 parts, 15-30 parts of ethyl acrylate, 130-160 parts of butyl acrylate, 110-140 parts of acrylic acid, epoxy phosphate ester 10-35
Part, 1-8 parts of initiator, 300-400 parts of solvent and 0.1-2 parts of catalyst.
Preferably, initiator is in peroxidized t-butyl perbenzoate, cumyl peroxide and dibenzoyl peroxide
It is one or more of.
Preferably, solvent is selected from one or more of propandiol butyl ether, diethylene glycol monobutyl ether and propylene glycol monomethyl ether.
Preferably, the catalyst is selected from one or both of organotin catalysts and organic bismuth catalyst.
Preferably, the organotin catalysts are selected from dibutyl tin laurate, stannous octoate, two (dodecyl sulphur) two fourths
One or more of Ji Xi and dibutyltin diacetate；The organic bismuth catalyst be selected from isooctyl acid bismuth, Yue Gui Jiao acid bismuth and
One or more of bismuth neodecanoate.
Preferably, the molecular weight of water-based insulating paint resin is 2000-3000.
A kind of synthetic method of water-based insulating paint resin, comprising the following steps:
(1) methyl methacrylate, ethyl acrylate, butyl acrylate, acrylic acid, epoxy phosphate ester and solvent is added to stir
Mixing is mixed, temperature rising reflux carries out insulation reaction；
(2) the reaction was continued for addition initiator and catalyst；
(3) cool down, filtering obtains water-based insulating paint resin.
Preferably, in step (1), it is warming up to 120-130 DEG C of reflux 1-2 hours, heat preservation reacts 2-3 at 120-130 DEG C
Hour.
Preferably, in step (2), initiator is added dropwise simultaneously with 0.60-1g/h speed and the speed of 0.05-0.1g/h and is urged
Agent.
Preferably, in step (3), when acid value be less than 30mlKOH/g, be cooled to 100 DEG C or less.
A kind of water-based insulating paint comprising water-based insulating paint resin, dimethylethanolamine, water, propylene glycol monomethyl ether, ethyl alcohol
And defoaming agent.
The method have the benefit that:
1, the present invention introduces epoxy phosphate ester synthesize water-base resin during and is modified, that is, introduce epoxy group with
Bound phosphate groups, epoxy group is preferable to the adhesive force of substrate because there is epoxy group, magnetic core of the bound phosphate groups to high frequency transformer
(material is iron oxide) has slight corrosion, effectively enhances wet adhesion；And different initiators are added dropwise using segmentation and are urged
Agent allows the abundant fully reacting of monomer, and resin smell is low, and the addition of catalyst makes the insulated paint prepared in addition amino tree
When rouge makees crosslinking agent, rate of drying is accelerated.By above scheme, the water-based insulating paint for preparing water-base resin of the invention has
Glossy height, tightness is good, and smell is low, and environmental protection, rate of drying is fast, and solderability is good, is entirely capable of substituting used oil product.
2, the invention in acrylic resin synthesis introduces epoxy phosphate ester, and effective solution water, which is done, to be diluted
Agent is to the problem of substrate wet adhesion difference, so that the water-based insulating paint prepared be made to be provided with the pass pool to compare favourably with oiliness and fastening
Property, while there is solderability, so that high frequency transformer is realized the possibility of Water-borne modification with insulated paint.
Specific embodiment
The present invention is elaborated further below by specific embodiment, to be clearly understood that the present invention to be protected
The technical solution of shield.
Embodiment 1
A kind of synthetic method of water-based insulating paint resin, comprising the following steps:
(1) 334.40 grams of methyl methacrylate, 20.35 grams of ethyl acrylate, 143.30 grams of butyl acrylate, propylene are taken
125.00 grams of acid, 20.00 grams of epoxy phosphate ester and 346.25 grams of propylene glycol monomethyl ether, which are added in bottle, to be stirred, and is warming up to 125
DEG C reflux 2 hours, heat preservation reacted 2 hours at 125 DEG C；
(2) peroxidized t-butyl perbenzoate and lauric acid are added dropwise simultaneously with 0.65g/h speed and the speed of 0.05g/h respectively
Dibutyl tin, time for adding 8 hours, 2.6 grams of TBPB dripping quantity, 2.6 grams of DCP dripping quantity, dibutyl tin laurate dripping quantity 0.4
Gram；
(3) after system acid value is less than 30mlKOH/g, 100 DEG C are cooled to hereinafter, filtering, obtaining molecular weight is 2500
Water-based insulating paint resin.
Embodiment 2
A kind of synthetic method of water-based insulating paint resin, comprising the following steps:
(1) 334.40 grams of methyl methacrylate, 20.35 grams of ethyl acrylate, 143.30 grams of butyl acrylate, propylene are taken
125.00 grams of acid, 20.00 grams of epoxy phosphate ester and 346.25 grams of propylene glycol monomethyl ether, which are added in bottle, to be stirred, and is warming up to 125
DEG C reflux 1.5 hours, heat preservation reacted 2 hours at 125 DEG C；
(2) TBPB/DCP/BPO and lauric acid dibutyl are added dropwise simultaneously with 0.65g/h speed and the speed of 0.05g/h respectively
Tin reaction, time for adding 8 hours, 1.73 grams of TBPB dripping quantity, 1.73 grams of DCP dripping quantity, 1.74 grams of BPO dripping quantity, lauric acid
0.4 gram of dibutyl tin dripping quantity；
(3) after system acid value is less than 30mlKOH/g, 100 DEG C are cooled to hereinafter, filtering, obtaining molecular weight is 2600
Water-based insulating paint resin.
Embodiment 3
A kind of synthetic method of water-based insulating paint resin, comprising the following steps:
(1) 334.40 grams of methyl methacrylate, 20.35 grams of ethyl acrylate, 143.30 grams of butyl acrylate, propylene are taken
125.00 grams of acid, 20.00 grams of epoxy phosphate ester and 346.25 grams of propylene glycol monomethyl ether, which are added in bottle, to be stirred, and is warming up to 125
DEG C reflux 1.5 hours, heat preservation reacted 2 hours at 125 DEG C；
(2) TBPB/DCP is added dropwise simultaneously with 0.65 gram/h speed and the speed of 0.05 gram/h respectively and organo-bismuth carries out instead
It answers, time for adding is 8 hours, 2.6 grams of TBPB dripping quantity, 2.6 grams of DCP dripping quantity, 0.4 gram of organo-bismuth dripping quantity；
(3) after system acid value is less than 30mlKOH/g, 100 DEG C are cooled to hereinafter, filtering, obtaining molecular weight is 2700
Water-based insulating paint resin.
Comparative example 1
A kind of synthetic method of water-based insulating paint resin, comprising the following steps:
(1) 334.40 grams of methyl methacrylate, 20.35 grams of ethyl acrylate, 143.30 grams of butyl acrylate, propylene are taken
125.00 grams and 346.25 grams of propylene glycol monomethyl ether of acid are added in bottle and are stirred, and are warming up to 125 DEG C and flow back 1.5 hours, heat preservation
It is reacted 2 hours at 125 DEG C；
(2) TBPB/DCP is added dropwise simultaneously with 0.65g/h speed and the speed of 0.05g/h respectively and organo-bismuth is reacted,
Time for adding is 8 hours, 2.6 grams of TBPB dripping quantity, 2.6 grams of DCP dripping quantity, 0.4 gram of organo-bismuth dripping quantity；
(3) after system acid value is less than 30mlKOH/g, 100 DEG C are cooled to hereinafter, filtering, obtaining molecular weight is 2700
Water-based insulating paint resin.
Performance test:
Water-base resin made from Example 1-3 and middle mountain gold group HOMAAC-5200 make respectively according to the formula in table 1
The property such as dry speed, gloss, tightness, breakdown voltage, insulation impedance and solderability are carried out at water-based insulating paint, and to manufactured sealing wax
It can be carried out test, the results are shown in Table 2.
Wherein, middle mountain gold rolls into a ball HOMAAC-5200 water-base resin, is not introduced into epoxy phosphate ester in synthesis process.Formula 1# is adopted
Resin is that middle mountain gold rolls into a ball HOMAAC-5200, and the resin that formula 2#, 3#, 4# are used is respectively embodiment 1, embodiment 2, real
Apply water-base resin synthesized in example 3；The resin that the resin that formula 5# is used synthesizes for comparative example 1.
The formula of 14 kinds of water-based insulating paints of table
The performance parameter of 24 kinds of water-based insulating paints of table compares
From Table 2, it can be seen that water-base resin its glossiness that the present invention synthesizes can reach 95 °, even if vertical from 1 meter of height
To fall, breakdown strength can reach 55KV/mm, it is excellent in terms of solderability,.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to of the invention
Some modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (9)
1. a kind of water-based insulating paint resin, which is characterized in that be mainly prepared from the following raw materials in parts by weight: methacrylic acid
300-350 parts of methyl esters, 15-30 parts of ethyl acrylate, 130-160 parts of butyl acrylate, 110-140 parts of acrylic acid, epoxy phosphate
10-35 parts of ester, 1-8 parts of initiator, 300-400 parts of solvent and 0.1-2 parts of catalyst.
2. water-based insulating paint resin according to claim 1, which is characterized in that initiator is selected from perbenzoic acid uncle
It is one or more of in butyl ester, cumyl peroxide and dibenzoyl peroxide.
3. water-based insulating paint resin according to claim 1, which is characterized in that solvent is selected from propandiol butyl ether, diethyl
One or more of glycol monobutyl ether and propylene glycol monomethyl ether.
4. water-based insulating paint resin according to claim 1, which is characterized in that the catalyst is selected from organotin catalyzed
One or both of agent and organic bismuth catalyst.
5. water-based insulating paint resin according to claim 4, which is characterized in that the organotin catalysts are selected from laurel
Sour dibutyl tin, stannous octoate, two (dodecyl sulphur) one or more of dibutyl tins and dibutyltin diacetate；It is described
Organic bismuth catalyst is selected from one or more of isooctyl acid bismuth, Yue Gui Jiao acid bismuth and bismuth neodecanoate.
6. water-based insulating paint resin according to claim 1, which is characterized in that the molecular weight of water-based insulating paint resin
For 2000-3000.
7. a kind of synthetic method of water-based insulating paint resin, which comprises the following steps:
(1) it is mixed that methyl methacrylate, ethyl acrylate, butyl acrylate, acrylic acid, epoxy phosphate ester and stirring solvent is added
It closes, temperature rising reflux, carries out insulation reaction；
(2) the reaction was continued for addition initiator and catalyst；
(3) cool down, filtering obtains water-based insulating paint resin.
8. the synthetic method of water-based insulating paint resin according to claim 7, which is characterized in that in step (1), heating
To 120-130 DEG C reflux 1-2 hours, heat preservation reacted 2-3 hours at 120-130 DEG C；In step (2), with 0.60-1g/h speed
Initiator and catalyst are added dropwise simultaneously with the speed of 0.05-0.1g/h.
9. the synthetic method of water-based insulating paint resin according to claim 7, which is characterized in that in step (3), work as acid
Value is less than 30mlKOH/g, is cooled to 100 DEG C or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057542.5A CN109836953A (en) | 2019-01-22 | 2019-01-22 | A kind of synthetic method of water-based insulating paint resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057542.5A CN109836953A (en) | 2019-01-22 | 2019-01-22 | A kind of synthetic method of water-based insulating paint resin |
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| CN109836953A true CN109836953A (en) | 2019-06-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140302327A1 (en) * | 2011-02-03 | 2014-10-09 | The University Of Akron | Multi-phase self-stratifying coating exhibiting gradient behavior |
| CN104497225A (en) * | 2014-12-04 | 2015-04-08 | 北京金汇利应用化工制品有限公司 | Acrylic acid modified epoxy phosphate resin and aqueous dispersion thereof |
| CN105085784A (en) * | 2015-07-30 | 2015-11-25 | 东莞英铭化工有限公司 | Epoxy phosphate modified thermoset acrylic resin |
| CN108410310A (en) * | 2018-03-27 | 2018-08-17 | 湖南智涂环保科技有限公司 | A kind of coating film forming matter and its preparation method and application |
-
2019
- 2019-01-22 CN CN201910057542.5A patent/CN109836953A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140302327A1 (en) * | 2011-02-03 | 2014-10-09 | The University Of Akron | Multi-phase self-stratifying coating exhibiting gradient behavior |
| CN104497225A (en) * | 2014-12-04 | 2015-04-08 | 北京金汇利应用化工制品有限公司 | Acrylic acid modified epoxy phosphate resin and aqueous dispersion thereof |
| CN104877526A (en) * | 2014-12-04 | 2015-09-02 | 北京金汇利应用化工制品有限公司 | Paint containing water-based acrylic modified epoxy phosphate resin and preparation method thereof |
| CN105085784A (en) * | 2015-07-30 | 2015-11-25 | 东莞英铭化工有限公司 | Epoxy phosphate modified thermoset acrylic resin |
| CN108410310A (en) * | 2018-03-27 | 2018-08-17 | 湖南智涂环保科技有限公司 | A kind of coating film forming matter and its preparation method and application |
Non-Patent Citations (2)
| Title |
|---|
| 司春波: "《实用涂装工手册》", 31 May 2007 * |
| 哈成勇: "《道路涂料与涂装技术》", 31 July 2001 * |
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Application publication date: 20190604 |