CN101486870A - Solvent-free insulating paint - Google Patents
Solvent-free insulating paint Download PDFInfo
- Publication number
- CN101486870A CN101486870A CNA2009100251390A CN200910025139A CN101486870A CN 101486870 A CN101486870 A CN 101486870A CN A2009100251390 A CNA2009100251390 A CN A2009100251390A CN 200910025139 A CN200910025139 A CN 200910025139A CN 101486870 A CN101486870 A CN 101486870A
- Authority
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- China
- Prior art keywords
- epoxy resin
- solvent
- parts
- insulated paint
- free insulated
- 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
- 239000003973 paint Substances 0.000 title claims abstract description 24
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 40
- 239000003822 epoxy resin Substances 0.000 claims abstract description 39
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 12
- 239000011353 cycloaliphatic epoxy resin Substances 0.000 claims description 12
- -1 phenol aldehyde Chemical class 0.000 claims description 9
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 8
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 229930185605 Bisphenol Natural products 0.000 claims description 4
- 150000002460 imidazoles Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 150000004714 phosphonium salts Chemical class 0.000 claims description 4
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims description 3
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical class CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 125000002723 alicyclic group Chemical group 0.000 abstract 1
- 239000003085 diluting agent Substances 0.000 abstract 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 4
- KNDQHSIWLOJIGP-UMRXKNAASA-N (3ar,4s,7r,7as)-rel-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione Chemical compound O=C1OC(=O)[C@@H]2[C@H]1[C@]1([H])C=C[C@@]2([H])C1 KNDQHSIWLOJIGP-UMRXKNAASA-N 0.000 description 3
- SEULWJSKCVACTH-UHFFFAOYSA-N 1-phenylimidazole Chemical compound C1=NC=CN1C1=CC=CC=C1 SEULWJSKCVACTH-UHFFFAOYSA-N 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004149 tartrazine Substances 0.000 description 2
- QBTROWHSMGZXCV-RQURQNPSSA-N (6r,7r)-1-[(4s,5r)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,7-dihydroxy-6-(11-phenoxyundecoxy)-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid Chemical compound C([C@@H](C)[C@H](OC(C)=O)C(=C)CCC12[C@@H]([C@@H](OCCCCCCCCCCCOC=3C=CC=CC=3)C(O1)(C(O)=O)C(O)(C(O2)C(O)=O)C(O)=O)O)C1=CC=CC=C1 QBTROWHSMGZXCV-RQURQNPSSA-N 0.000 description 1
- KILURZWTCGSYRE-LNTINUHCSA-K (z)-4-bis[[(z)-4-oxopent-2-en-2-yl]oxy]alumanyloxypent-3-en-2-one Chemical compound CC(=O)\C=C(\C)O[Al](O\C(C)=C/C(C)=O)O\C(C)=C/C(C)=O KILURZWTCGSYRE-LNTINUHCSA-K 0.000 description 1
- 239000004229 Alkannin Substances 0.000 description 1
- 229940125761 Compound 6g Drugs 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004283 Sodium sorbate Substances 0.000 description 1
- XEHUIDSUOAGHBW-UHFFFAOYSA-N chromium;pentane-2,4-dione Chemical compound [Cr].CC(=O)CC(C)=O.CC(=O)CC(C)=O.CC(=O)CC(C)=O XEHUIDSUOAGHBW-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 239000000542 fatty acid esters of ascorbic acid Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- PPASLZSBLFJQEF-RKJRWTFHSA-M sodium ascorbate Substances [Na+].OC[C@@H](O)[C@H]1OC(=O)C(O)=C1[O-] PPASLZSBLFJQEF-RKJRWTFHSA-M 0.000 description 1
- RIOQSEWOXXDEQQ-UHFFFAOYSA-O triphenylphosphanium Chemical compound C1=CC=CC=C1[PH+](C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-O 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention relates to a solvent-free insulating paint which comprises the following components in parts by weight: 100 parts of glycidyl epoxy resin with an epoxy value of 0.4-0.6; (B) 2-30 parts of hyperbranched epoxy resin with the molecular weight of 700-20000; (C) 20-200 parts of alicyclic epoxy resin; (D) 10-200 parts of a curing agent; (E) 0.1-2 parts of a curing accelerator. The invention does not contain active diluent, has low VOC content, good heat resistance, low dielectric loss, high mechanical strength and excellent comprehensive performance; in addition, the method also has the advantages of simple manufacture and low cost.
Description
Technical field
The present invention relates to a kind of no-solvent type insullac.
Background technology
Along with the development of progress of science and technology, aerospace and Defence business, electrical equipment and electrical is more and more higher to the requirement of insullac.Improve the insullac temperature classification and can make voltage raising, electric capacity increase, volume-diminished, the weight saving of electrical equipment, and can under severe condition such as high temperature, height carry, move and save the cost of electrical equipment reliably and with long-term.Developed the novel fire resistant insullac of many trades mark both at home and abroad successively, the America and Europe, household electrical appliance have all used F level (155 ℃) and H level (180 ℃) insullac basically, at present, the above insullac kind of external employed F level mainly contains polyethersulfone (ketone), diphenyl ether, silicone resin, modified poly ester and polyamides (Asia) polyimide resin class, though these insullac kind development rapidly, but owing to exist the shortcoming of solvability and poor processability, and in use add a large amount of organic solvent contaminate environment.In order to solve the existing above-mentioned shortcoming of solvent-borne type insullac, people study the solvent-free insulated paint that does not use solvent.At present, solvent-free insulated paint mainly is to be mixed and made into mutually by synthetic resins, reactive thinner and solidifying agent, its action principle is, solvent-free insulated paint at room temperature is liquid, after being immersed in them on electric equipment products, heat then, synthetic resins, thinner just solidify to form insulating material under the effect of solidifying agent.Synthetic resins has kinds such as epoxies, polyester and epoxy polyester, and is wherein more with epoxy resin.Though the relative solvent-borne type insullac of no-solvent type insullac has reduced organic solvent pollution on the environment problem to a great extent, but owing to be subjected to the prescription of solvent-free insulated paint itself and as the restriction of the performance of the resin of insullac main body, existing no-solvent type insullac can not satisfy the more and more needs of the application of high request.
Chinese patent application 200610040434.X discloses a kind of non-solvent epoxy unsaturated polyester resin heat resistance paint, the vinylbenzene of this patent employing 12～35% is made thinner, nearly about 15% vinylbenzene volatilization loss is arranged in the solidification process, operating environment of pollution still can not satisfy low volatilization environmental friendliness insulating material and energy-saving and cost-reducing requirement.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of solvent-free insulated paint is provided, and it does not contain reactive thinner, and VOC content is low, and good heat resistance, dielectric loss is low, physical strength is high.
For solving above technical problem, the following technical scheme that the present invention takes:
A kind of solvent-free insulated paint, it comprises the component of following weight proportion:
(A) oxirane value is 100 parts of 0.4～0.6 Racemic glycidol fundamental mode Resins, epoxy;
(B) hyperbranched epoxy resin of molecular weight between 700～20000 is 2～30 parts;
(C) cycloaliphatic epoxy resin is 20～200 parts;
(D) solidifying agent is 10～200 parts;
(E) curing catalyst is 0.1～2 part.
In the prescription of above-mentioned insullac, one or more of preferred bisphenol A type epoxy resin, bisphenol f type epoxy resin, phenol aldehyde type epoxy resin and bisphenol-s epoxy resin are as (A) component;
(B) the serial hyperbranched epoxy resin product (seeing Table 1) preferably produced of the hyperbranched epoxy resin that adopts of component by Suzhou HyperT Resin Science ﹠ Technology Co., Ltd..
The structure of table 1 hyperbranched epoxy resin and model
The cycloaliphatic epoxy resin of preferred viscosities between 100～12000cp is as (C) component; Cycloaliphatic epoxy resin is the listed type of table 2 most preferably.
Table 2 cycloaliphatic epoxy resin
Described solidifying agent is preferably anhydrides, boron amide class, imidazoles, triphenylphosphine Ji the mixture of one or more of Qi phosphonium salt.
Described curing catalyst is preferably metal salt of organic carboxylic acid, acetyl acetone salt, boron amide class, imidazoles, triphenylphosphine Ji the mixture of one or more of Qi phosphonium salt.
Finished product insullac of the present invention can be mixed by above-mentioned (A)～(E) five components, and stirring makes.
Because the enforcement of above technical scheme, the present invention compared with prior art has following advantage:
Replace reactive thinner in traditional solvent-free insulated paint formula with hyperbranched epoxy resin, a kind of environment-friendly type insulated lacquer truly is provided with crosslinked action; Each component is mixed, stir get final product insullac, manufacturing process is simple, and is with low cost; In addition, insullac organic volatile of the present invention be lower than 5%, 180 ℃ dielectric loss less than 3%, heat-resistance index is greater than 180 ℃, high comprehensive performance.
Embodiment
The present invention will be described in detail below in conjunction with specific embodiment, but be not limited to these embodiment.
Among each embodiment, hyperbranched epoxy resin is selected HyPer E10, the HyPer E20 of Suzhou HyperT Resin Science ﹠ Technology Co., Ltd.'s production and the product of HyPer E30 series for use, and other Resins, epoxy, solidifying agent and curing catalyst all are directly to buy from the market to obtain.The performance of insullac is tested according to the insullac corresponding national standards, and the solidification value condition is 170 ℃ solidified after 4 hours, and 200 ℃ solidified 4 hours.
Embodiment 1
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is that (viscosity is 2800～3600cp) CPE-130 gram, hyperbranched epoxy resin E102 (molecular weight about 85) 15 grams, carbic anhydride 140 grams, phenylimidazole 0.2g for 0.51 bisphenol A type epoxy resin 100g, cycloaliphatic epoxy resin.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
Embodiment 2
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is that (viscosity is 5200～6600cp) CPE-320 gram, hyperbranched epoxy resin E304 (molecular weight about 19500) 10 grams, carbic anhydride 140 grams, phenylimidazole 0.2g for 0.54 bisphenol A type epoxy resin 100g, cycloaliphatic epoxy resin.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
Embodiment 3
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is that (viscosity is 7500～8060cp) CPE-640 gram, hyperbranched epoxy resin E201 (molecular weight about 2480) 25 grams, boron amide 594 for 0.51 bisphenol f type epoxy resin 100g, cycloaliphatic epoxy resin
#20 grams, aluminium acetylacetonate 0.1g.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
Embodiment 4
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is that (viscosity is 200～300cp) CPE-13,60 grams, hyperbranched epoxy resin E102 (molecular weight about 1250) 10 grams, phenylimidazole 16 grams, chromium acetylacetonate 0.3g for 0.40 bisphenol-s epoxy resin 100g, cycloaliphatic epoxy resin.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
Embodiment 5
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is that (viscosity is 80～200cp) CPE-12,200 grams, hyperbranched epoxy resin E103 (molecular weight about 8600) 25 grams, methyl hexahydrophthalic anhydride 150 grams, Bian base triphenyl phosphonium oxide compound 6g, zinc acetylacetonate 0.5g for 0.51 phenol aldehyde type epoxy resin 100g, cycloaliphatic epoxy resin.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
Embodiment 6
Prescription according to the solvent-free insulated paint of present embodiment is: oxirane value is 0.51 bisphenol f type epoxy resin 100g, cycloaliphatic epoxy resin (viscosity 220～460cp) CPE-5 80 grams, hyperbranched epoxy resin E301 (molecular weight about 1600) 8 grams, methyl hexahydrophthalic anhydride 100 grams, carbic anhydride 100g, cobalt naphthenate 2.0g.
After above-mentioned each component mixed by prescription, promptly make high temperature solvent-free epoxy resin insullac, the character of this insullac and solidify after performance as shown in table 3.
The performance index of table 3 insullac
As shown in Table 3, according to the heat-resistant solvent-free epoxy resins insulation of preparation of the present invention lacquer good stability, organic volatile be far smaller than that national standard 5%, pyritous dielectric loss are very low, heat-resistance index all H level (180 ℃) more than, gel time lacks.And compare with traditional solvent-free insulated paint, it does not use reactive thinner, can reach real above environmental requirement.
Claims (6)
1, a kind of solvent-free insulated paint is characterized in that: it comprises the component of following weight proportion:
(A) oxirane value is 100 parts of 0.4～0.6 Racemic glycidol fundamental mode Resins, epoxy;
(B) hyperbranched epoxy resin of molecular weight between 700～20000 is 2～30 parts;
(C) cycloaliphatic epoxy resin is 20～200 parts;
(D) solidifying agent is 10～200 parts;
(E) curing catalyst is 0.1～2 part.
2, solvent-free insulated paint according to claim 1 is characterized in that: described Racemic glycidol fundamental mode Resins, epoxy is selected from one or more of bisphenol A type epoxy resin, bisphenol f type epoxy resin, phenol aldehyde type epoxy resin and bisphenol-s epoxy resin.
3, solvent-free insulated paint according to claim 1 is characterized in that: described hyperbranched epoxy resin is to have in the compound of following structural one or more:
In the said structure formula: A is
B is-CH
2CH
2OCH
2CH
2-,-CH
2CH
2-and-CH
2(CH
2)
2CH
2-in a kind of;
N is between 1～2.
4, solvent-free insulated paint according to claim 1 is characterized in that: the viscosity of described cycloaliphatic epoxy resin is between 100～12000cp.
5, solvent-free insulated paint according to claim 1 is characterized in that: described solidifying agent is that anhydrides, boron amide class, imidazoles, triphenylphosphine are Ji the mixture of one or more of Qi phosphonium salt.
6, solvent-free insulated paint according to claim 1 is characterized in that: described curing catalyst is that metal salt of organic carboxylic acid, acetyl acetone salt, boron amide class, imidazoles, triphenylphosphine are Ji the mixture of one or more of Qi phosphonium salt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100251390A CN101486870B (en) | 2009-02-16 | 2009-02-16 | Solvent-free insulated paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100251390A CN101486870B (en) | 2009-02-16 | 2009-02-16 | Solvent-free insulated paint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101486870A true CN101486870A (en) | 2009-07-22 |
| CN101486870B CN101486870B (en) | 2011-05-04 |
Family
ID=40889937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100251390A Expired - Fee Related CN101486870B (en) | 2009-02-16 | 2009-02-16 | Solvent-free insulated paint |
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| Country | Link |
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| CN (1) | CN101486870B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559007A (en) * | 2011-12-19 | 2012-07-11 | 烟台德邦科技有限公司 | Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof |
| CN102617515A (en) * | 2012-03-02 | 2012-08-01 | 濮阳惠成电子材料股份有限公司 | Glycidyl ester type epoxy resin for electronic packaging and preparation process thereof |
| CN102890991A (en) * | 2012-09-14 | 2013-01-23 | 广东福德电子有限公司 | Non inductive wire wound resistor with two paint layers and preparation method for resistor |
| CN103030784A (en) * | 2012-12-24 | 2013-04-10 | 中南民族大学 | Sulfur-containing hyperbranched epoxy resin and preparation method thereof |
| CN103254724A (en) * | 2013-05-17 | 2013-08-21 | 苏州太湖电工新材料股份有限公司 | Solvent-free insulating varnish and preparation method thereof |
| CN105462442A (en) * | 2015-12-28 | 2016-04-06 | 浙江港流高分子科技有限公司 | Environment-friendly epoxy resin coating, environment-friendly coiled material and preparation method thereof |
| CN105462434A (en) * | 2015-12-03 | 2016-04-06 | 平高集团有限公司 | Surface coating material for epoxy cast insulating part and surface modification method |
| CN112574643A (en) * | 2020-12-16 | 2021-03-30 | 苏州太湖电工新材料股份有限公司 | Flame-retardant water-based insulating paint and preparation method and application thereof |
| CN116285595A (en) * | 2022-09-26 | 2023-06-23 | 苏州巨峰电气绝缘系统股份有限公司 | Insulation drip-impregnated resin and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371403C (en) * | 2003-04-21 | 2008-02-27 | 索玛株式会社 | mfg. method of soaking adaptable liquid epoxy resin compound, and generator thereof |
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2009
- 2009-02-16 CN CN2009100251390A patent/CN101486870B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102559007A (en) * | 2011-12-19 | 2012-07-11 | 烟台德邦科技有限公司 | Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof |
| CN102559007B (en) * | 2011-12-19 | 2014-03-05 | 烟台德邦科技有限公司 | Composition for manufacturing corrosion-resistant and abrasion-resistant coating as well as preparation method and application thereof |
| CN102617515B (en) * | 2012-03-02 | 2014-04-16 | 濮阳惠成电子材料股份有限公司 | Glycidyl ester type epoxy resin for electronic packaging and preparation process thereof |
| CN102617515A (en) * | 2012-03-02 | 2012-08-01 | 濮阳惠成电子材料股份有限公司 | Glycidyl ester type epoxy resin for electronic packaging and preparation process thereof |
| CN102890991A (en) * | 2012-09-14 | 2013-01-23 | 广东福德电子有限公司 | Non inductive wire wound resistor with two paint layers and preparation method for resistor |
| CN102890991B (en) * | 2012-09-14 | 2015-07-15 | 广东福德电子有限公司 | Non inductive wire wound resistor with two paint layers and preparation method for resistor |
| CN103030784A (en) * | 2012-12-24 | 2013-04-10 | 中南民族大学 | Sulfur-containing hyperbranched epoxy resin and preparation method thereof |
| CN103254724B (en) * | 2013-05-17 | 2015-05-06 | 苏州太湖电工新材料股份有限公司 | Solvent-free insulating varnish and preparation method thereof |
| CN103254724A (en) * | 2013-05-17 | 2013-08-21 | 苏州太湖电工新材料股份有限公司 | Solvent-free insulating varnish and preparation method thereof |
| CN105462434A (en) * | 2015-12-03 | 2016-04-06 | 平高集团有限公司 | Surface coating material for epoxy cast insulating part and surface modification method |
| CN105462434B (en) * | 2015-12-03 | 2018-12-14 | 平高集团有限公司 | Epoxy casting insulating element coated material and surface modifying method |
| CN105462442A (en) * | 2015-12-28 | 2016-04-06 | 浙江港流高分子科技有限公司 | Environment-friendly epoxy resin coating, environment-friendly coiled material and preparation method thereof |
| CN112574643A (en) * | 2020-12-16 | 2021-03-30 | 苏州太湖电工新材料股份有限公司 | Flame-retardant water-based insulating paint and preparation method and application thereof |
| CN116285595A (en) * | 2022-09-26 | 2023-06-23 | 苏州巨峰电气绝缘系统股份有限公司 | Insulation drip-impregnated resin and preparation method thereof |
| CN116285595B (en) * | 2022-09-26 | 2024-04-19 | 苏州巨峰电气绝缘系统股份有限公司 | Insulation drip-impregnated resin and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101486870B (en) | 2011-05-04 |
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