CN115584103B - Flexible packaging material for amorphous transformer and preparation method thereof - Google Patents
Flexible packaging material for amorphous transformer and preparation method thereof Download PDFInfo
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- CN115584103B CN115584103B CN202210140115.5A CN202210140115A CN115584103B CN 115584103 B CN115584103 B CN 115584103B CN 202210140115 A CN202210140115 A CN 202210140115A CN 115584103 B CN115584103 B CN 115584103B
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- 239000005021 flexible packaging material Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 150000001412 amines Chemical class 0.000 claims abstract description 55
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 38
- 239000013008 thixotropic agent Substances 0.000 claims abstract description 38
- 239000003822 epoxy resin Substances 0.000 claims abstract description 36
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 42
- -1 alcohol compound Chemical class 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 20
- 125000001931 aliphatic group Chemical group 0.000 claims description 18
- 239000012948 isocyanate Substances 0.000 claims description 17
- 150000002513 isocyanates Chemical class 0.000 claims description 17
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical group CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 15
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical group NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 15
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 14
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 11
- 239000002904 solvent Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 claims description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 2
- 235000013824 polyphenols Nutrition 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000001680 brushing effect Effects 0.000 abstract description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 26
- 239000005022 packaging material Substances 0.000 description 26
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 19
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 14
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 11
- 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 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 9
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 9
- 229910002011 hydrophilic fumed silica Inorganic materials 0.000 description 8
- 239000013464 silicone adhesive Substances 0.000 description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 5
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 2
- 229920004482 WACKER® Polymers 0.000 description 2
- 229960000892 attapulgite Drugs 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 229910052625 palygorskite Inorganic materials 0.000 description 2
- KVZLHPXEUGJPAH-QNDGGIRCSA-N rac-lactic acid Chemical compound C[C@@H](O)C(O)=O.C[C@H](O)C(O)=O KVZLHPXEUGJPAH-QNDGGIRCSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 description 1
- KNHJIEOCVVIBIV-UHFFFAOYSA-N 2,3-dimethylphenyl isocyanate Chemical compound CC1=CC=CC(N=C=O)=C1C KNHJIEOCVVIBIV-UHFFFAOYSA-N 0.000 description 1
- SYBYTAAJFKOIEJ-UHFFFAOYSA-N 3-Methylbutan-2-one Chemical compound CC(C)C(C)=O SYBYTAAJFKOIEJ-UHFFFAOYSA-N 0.000 description 1
- KOGSPLLRMRSADR-UHFFFAOYSA-N 4-(2-aminopropan-2-yl)-1-methylcyclohexan-1-amine Chemical compound CC(C)(N)C1CCC(C)(N)CC1 KOGSPLLRMRSADR-UHFFFAOYSA-N 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229940087675 benzilic acid Drugs 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229960004063 propylene glycol Drugs 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epoxy Resins (AREA)
Abstract
The invention relates to the technical field of amorphous transformers, IPC (industrial personal computer) classification number is H01F, in particular to a flexible packaging material for an amorphous transformer and a preparation method thereof, wherein an A component is prepared by carrying out high-speed dispersing, stirring and mixing on epoxy resin, polyester polyol, a rheological agent and a thixotropic agent, a B component is prepared by carrying out high-speed dispersing, stirring and mixing on modified amine, the rheological agent and the thixotropic agent, and then the A component and the B component are mixed and stirred, so that the flexible packaging material for the amorphous transformer is prepared, has excellent flexibility, stronger adhesive force and excellent insulativity, is low in cost, has good fluidity, is easy to brush Mao Shuatu, hardly causes edge fracture of the amorphous strip in the brushing process, has high effective utilization rate, can be cured at normal temperature to meet the use requirements of different environments, has no pungent odor, is safe and environment-friendly, and has excellent practical value, and is particularly suitable for the field of amorphous transformers.
Description
Technical Field
The invention relates to the technical field of amorphous transformers, and in particular relates to a flexible packaging material for an amorphous transformer and a preparation method thereof, wherein IPC (industrial personal computer) classification number is H01F.
Background
The amorphous alloy transformer is composed of amorphous alloy mainly composed of iron, has the characteristics of high saturation induction intensity and low loss, and has the advantages of energy conservation and environmental protection because the loss is reduced, the power generation requirement is correspondingly reduced, and the emission of greenhouse gases such as carbon dioxide is correspondingly reduced.
Secondly, because the amorphous alloy has a unique long-range amorphous structure, no crystal grains of the crystalline alloy exist, crystal boundaries exist, excellent magnetism, corrosion resistance, wear resistance, high strength, hardness and toughness, high resistivity and better electromechanical coupling are brought into wide attention, however, because the amorphous material has high hardness and thin thickness, the amorphous material has higher brittleness, is easy to deform and fracture under the impact of external force, and has lower surface polarity and poorer adhesion.
Patent CN201310055983.4 discloses an antibacterial mildew-proof silicone adhesive and a preparation method thereof, wherein the preparation raw materials comprise: the prepared silicone adhesive has the characteristics of antibiosis and mildew resistance, can be used for indoor decoration, but in the use process, the adhesive is easily affected by indoor moisture, is subjected to damp oxidation, has large smell and certain influence on health, and has small application range, so that the silicone adhesive cannot be applied to the field of amorphous alloy transformers.
Patent CN202011233753.9 discloses a single-component high-temperature-resistant water-immersed silicone adhesive, a preparation method and application thereof, wherein the preparation raw materials comprise dihydroxypolydimethylsiloxane, dimethyl polydimethylsiloxane, acyloxy silane cross-linking agent and the like, the prepared silicone adhesive has excellent high-temperature-resistant water-immersed capability, and if the silicone adhesive is coated on amorphous and transformers, the adhesive is sticky due to high thixotropy, can only meet scraping use, has poor practicability and has high preparation cost.
Therefore, the surface packaging material which can be coated on the amorphous material of the amorphous transformer is developed, so that the problem faced by the amorphous alloy transformer in practical application is solved, and the surface packaging material has a wide practical prospect.
Disclosure of Invention
The invention provides a flexible packaging material for an amorphous transformer, which comprises the following preparation raw materials in parts by weight: and (3) a component A: 85-130 parts of epoxy resin, 3-8 parts of polyester polyol, 2-5 parts of a first rheological agent, 1-3 parts of a first thixotropic agent and component B: 90-100 parts of modified amine, 2-5 parts of second rheological agent and 1-3 parts of second thixotropic agent.
Preferably, in the component A, the weight ratio of the epoxy resin to the polyester polyol to the first thixotropic agent is 44-46:2-3:1.
Preferably, the epoxy resin is one or a combination of a bisphenol A type epoxy resin, a bisphenol F type epoxy resin, a polyphenol type glycidyl ether epoxy resin, an aliphatic glycidyl ether epoxy resin, a glycidyl ester type epoxy resin and a glycidyl amine type epoxy resin.
Preferably, the polyester polyol is one or a combination of more of polycaprolactone polyol, polycarbonate diol, aliphatic hydroxyl-terminated polyester polyol.
Further preferably, the polyester polyol is an aliphatic hydroxyl-terminated polyester polyol.
Preferably, the preparation step of the aliphatic hydroxyl-terminated polyester polyol comprises:
Adding an alcohol compound, a carboxyl compound and a sulfonic acid compound into a reaction vessel, adding a solvent a into the reaction vessel, performing condensation circulation reaction for 1-1.5h, adding a solvent b and an anhydride compound into the reaction vessel, adjusting the temperature of the reaction vessel to 100-110 ℃, and performing condensation circulation for 0.8-1.5h to obtain the aliphatic hydroxyl-terminated polyester polyol.
The hydroxyl number of the aliphatic hydroxyl-terminated polyester polyol is 9-11mol, the hydroxyl value (mgKOH/g) is more than or equal to 550mg/g, and the relative molecular weight is 1100-1200.
Preferably, the weight ratio of the alcohol compound to the carboxyl compound to the anhydride compound to the sulfonic acid compound to the solvent a to the solvent b is 13-17:8-11:9-12:1:77-82:77-82.
Preferably, the alcohol compound comprises one of pentaerythritol, neopentyl glycol, 1, 2-propylene glycol, ethylene glycol, 1, 4-butanediol and diethylene glycol.
Preferably, the carboxyl compound comprises one of 2-hydroxypropionic acid, 2-glycolic acid, 2-hydroxy-2-benzilic acid, 2-hydroxy-1, 4-succinic acid, 2, 3-hydroxy-1, 4-succinic acid, and 2-hydroxy-1, 2, 3-tricarballylic acid.
Preferably, the acid anhydride compound comprises one of maleic anhydride, acetic anhydride and phthalic anhydride.
Preferably, the sulfonic acid compound comprises at least one of p-toluenesulfonic acid, 2, 4-di-p-toluenesulfonic acid and xylenesulfonic acid.
Preferably, the solvent a comprises one of acetone, toluene, xylene, methyl butanone and methyl isobutyl ketone.
Preferably, the solvent b includes one of toluene, ethanol, acetone, and methanol.
Preferably, the first rheological agent is at least one of hydrophilic fumed silica, bentonite and attapulgite.
Preferably, the second rheological agent is at least one of hydrophilic fumed silica, bentonite and attapulgite.
Preferably, the first thixotropic agent is at least one of BYK-R605, BYK-R607, BYK-410, BYK-405 and BYK-411.
Preferably, the second thixotropic agent is at least one of BYK-R605, BYK-R607, BYK-410, BYK-405 and BYK-411.
Preferably, the preparation step of the component A comprises the following steps:
Adding epoxy resin, aliphatic hydroxyl-terminated polyester polyol and a first thixotropic agent into a reaction vessel, and (3) dispersing and stirring at a high speed, then adding the first rheological agent, and dispersing and stirring at a high speed again to obtain the high-speed dispersing and stirring agent.
Preferably, the preparation raw materials of the modified amine comprise an amine mixture A, an amine mixture B and isocyanate.
Further preferably, the amine mixture a comprises diethylenetriamine and triethylenetetramine; the weight ratio of diethylenetriamine to triethylenetetramine is 0.5-3:1
Preferably, the isocyanate comprises at least one of toluene diisocyanate, 2, 3-dimethylphenyl isocyanate and toluene-2, 4, 6-tri-yl triisocyanate.
Preferably, the amine mixture B comprises one or a combination of a plurality of isophorone diamine, m-xylylene diamine and menthane diamine.
Further preferably, the amine mixture B is isophorone diamine, m-xylylenediamine, and the weight ratio of isophorone diamine to m-xylylenediamine is 1.8-2.5:1.0.
Preferably, the preparation step of the modified amine comprises:
Placing isocyanate in a reaction vessel, adding an amine mixture A into the reaction vessel, controlling the reaction temperature to be 25-60 ℃, stopping the reaction when the isocyanate content is less than 15% (wt), obtaining a mixture a, adding an amine mixture B into the mixture a, and stopping the reaction when the active hydrogen equivalent of the material is 180-220 at the temperature of 25-80 ℃, thus obtaining the modified amine.
Preferably, the preparation step of the component B comprises the following steps:
Adding modified amine and a second thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, then adding a second rheological agent, and dispersing and stirring at a high speed again to obtain the modified amine thixotropic agent.
The second aspect of the invention provides a preparation method of a flexible packaging material for an amorphous transformer, which comprises the following steps:
Placing the component B into a reaction vessel, adding the component A into the reaction vessel, and stirring for 3-5min along the same time to obtain the final product.
The invention provides an application of a flexible packaging material for an amorphous transformer, which is applied to the amorphous transformer.
The beneficial effects are that:
(1) The component A is prepared by mixing the epoxy resin, the polyester polyol, the first rheological agent and the first thixotropic agent, the component B is prepared by mixing the modified amine, the second rheological agent and the second thixotropic agent, and the component A and the component B are mixed to prepare the flexible packaging material for the amorphous transformer, which has excellent flexibility, strong adhesive force and excellent insulativity, low cost, good fluidity, easy Mao Shuatu brushing, normal-temperature curing and meeting the use requirements of different environments, no pungent peculiar smell, safety and environmental protection, high effective utilization rate of the flexible packaging material when the flexible packaging material is coated on the amorphous transformer, no need of cleaning glue containing amorphous fragments, and excellent practical value.
(2) Applicants found that by controlling the weight ratio of epoxy resin, polyester polyol, first thixotropic agent in component A, 44-46:2-3: the method comprises the steps of 1, preparing the aliphatic hydroxyl-terminated polyester polyol, wherein the aliphatic hydroxyl-terminated polyester polyol is obtained through specific process treatment, so that the fluidity of the flexible packaging material for the amorphous transformer can be improved, the flexible packaging material has a synergistic effect with active amine prepared through specific process treatment, the packaging material is fully solidified, the hardness of the packaging material is improved, the intermolecular tight winding of the flexible packaging material for the amorphous transformer is promoted, the adhesion of the packaging material is improved, the flexibility of polymer molecular chains in a crosslinked polymeric structure is enhanced, the flexible molecular chains in the material structure can adapt to external stress change to generate chain segment movement under the impact of external force, the buffering force is improved for resisting external impact, the brittleness of the packaging material is effectively improved, the packaging material has excellent flexibility, the structure of the packaging material can change along with the change of the external force, the structure of the packaging material is almost free from difference before and after the stress, the structure cohesive strength of the packaging material is high, the rheological property is excellent, and the insulating property of the packaging material is improved under the promotion effect of a rheological agent.
(3) According to the invention, the component A is prepared by carrying out high-speed dispersion stirring and mixing on epoxy resin, polyester polyol, a first rheological agent and a first thixotropic agent, the component B is prepared by carrying out high-speed dispersion stirring and mixing on modified amine, a second rheological agent and a second thixotropic agent, the raw material components of the component A are optimized through a specific polyester polyol preparation process, the raw material components of the component B are optimized by combining a specific modified amine preparation process, and then the component A and the component B are mixed and stirred, so that the flexible packaging material for the amorphous transformer is prepared, has excellent flexibility, stronger adhesive force and excellent insulativity, is low in cost, has good fluidity and is easy to brush Mao Shuatu, the edge of the amorphous strip is hardly cracked in a brushing process, the effective utilization rate of the flexible packaging material is high, the use requirements of different environments can be met through normal-temperature solidification, no pungent odor is generated, the flexible packaging material is safe and environment-friendly, and has excellent practical value, and is particularly suitable for the field of amorphous transformers.
Drawings
Fig. 1 is a plan view of an amorphous transformer.
Fig. 2 is a perspective view of an amorphous transformer.
Detailed Description
Example 1
Embodiment 1 provides a flexible packaging material for an amorphous transformer, which is prepared from the following raw materials in parts by weight: and (3) a component A: 115 parts of epoxy resin, 5.5 parts of polyester polyol, 4 parts of a first rheological agent, 2.5 parts of a first thixotropic agent and component B: 98 parts of modified amine, 4 parts of a second rheological agent and 3 parts of a second thixotropic agent.
The epoxy resin is bisphenol A type epoxy resin.
The polyester polyol is aliphatic hydroxyl-terminated polyester polyol.
The first rheological agent is hydrophilic fumed silica.
The first thixotropic agent is BYK-R605.
The second rheological agent is hydrophilic fumed silica.
The second thixotropic agent is BYK-R607.
The preparation method of the aliphatic hydroxyl-terminated polyester polyol comprises the following steps:
Adding pentaerythritol, 2-hydroxy propionic acid and p-toluenesulfonic acid into a reaction vessel, adding acetone into the reaction vessel, adjusting the reaction temperature to 55 ℃, condensing and circulating for 1h, adding toluene and maleic anhydride into the vessel, adjusting the reaction vessel temperature to 110 ℃, and condensing and circulating for 1.3h to obtain the aliphatic hydroxyl-terminated polyester polyol. The weight ratio of pentaerythritol, 2-hydroxy propionic acid, maleic anhydride, p-toluenesulfonic acid, acetone and toluene is 15.8:10.4:11.4:1:81:81.
The preparation steps of the component A comprise:
Adding epoxy resin, polyester polyol and a first thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, wherein the stirring speed is 1200r/min, the stirring time is 15min, slowly adding the first rheological agent, and dispersing and stirring at a high speed again after the dripping is completed within 15min, wherein the stirring speed is 1200r/min, and the stirring time is 30 min.
The bisphenol A type epoxy resin has CAS number 1675-54-3, and is purchased from Sigma Aldrich (Shanghai) trade Co., ltd., BYK-R605, brand: pick, germany, available from Chongqing Kaijin chemical Co., ltd., hydrophilic fumed silica, brand: wacker N20, germany, available from Kaiyin chemical Co., ltd. Pentaerythritol CAS number 115-77-5, from Sigma Aldrich (Shanghai) trade Co., ltd, 2-hydroxypropionic acid CAS number 50-21-5, from Sigma Aldrich (Shanghai) trade Co., ltd, maleic anhydride CAS number 108-31-6, from Shanghai Aldrich Biochemical technologies Co., ltd, acetone CAS number 67-64-1, from Sigma Aldrich (Shanghai) trade Co., ltd, toluene CAS number 108-88-3, from Sigma Aldrich (Shanghai) trade Co., ltd.
The preparation method of the modified amine comprises the following steps:
Placing isocyanate in a reaction vessel, adding an amine mixture A into the reaction vessel, controlling the reaction temperature to be 50 ℃, stopping the reaction when the isocyanate content is 10% (wt), obtaining a mixture a, adding an amine mixture B into the mixture a, and stopping the reaction when the active hydrogen equivalent of the material is 200+/-10 at 70 ℃, thus obtaining the modified amine.
The weight ratio of the amine mixture A to the amine mixture B to the isocyanate is 2:1.5:0.8. the isocyanate is toluene diisocyanate, which has CAS number 26471-62-5 and is available from Sigma Aldrich trade Inc.
The amine mixture A is a mixture of diethylenetriamine and triethylenetetramine; diethylenetriamine and triethylenetetramine in a weight ratio of 1.5:1.0, diethylenetriamine CAS number 111-40-0, from Sigma Aldrich trade Inc., triethylenetetramine CAS number 112-24-3, from Shanghai Yi En chemical Co.
The amine mixture B is a mixture of isophorone diamine and m-xylylenediamine; isophorone diamine, m-xylylenediamine in a weight ratio of 2.3: isophorone diamine CAS number 2855-13-2, available from Shanghai Michelson chemical technology Co., ltd, and m-xylylenediamine CAS number 1477-55-0, available from Sigma Aldrich (Shanghai) trade Co., ltd.
The preparation steps of the component B comprise:
Adding modified amine and a second thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, wherein the stirring speed is 1200r/min, the stirring time is 15min, then adding the second rheological agent, dispersing and stirring at a high speed again, the stirring speed is 1200r/min, and the stirring time is 5 min.
The BYK-R607, brand: pick, germany, available from Shanghai De trade Limited.
The second aspect of the invention provides a preparation method of a flexible packaging material for an amorphous transformer, which comprises the following steps:
Placing the component B into a reaction vessel, adding the component A into the reaction vessel, and stirring for 5min along the direction of a simultaneous needle. The invention provides an application of a flexible packaging material for an amorphous transformer, which is applied to the amorphous transformer.
Example 2
Embodiment 2 provides a flexible packaging material for an amorphous transformer, which is prepared from the following raw materials in parts by weight: and (3) a component A: 90 parts of epoxy resin, 5 parts of polyester polyol, 3 parts of a first rheological agent, 2 parts of a first thixotropic agent and component B: 95 parts of modified amine, 3 parts of a second rheological agent and 2 parts of a second thixotropic agent.
The epoxy resin is bisphenol A type epoxy resin.
The polyester polyol is aliphatic hydroxyl-terminated polyester polyol.
The first rheological agent is hydrophilic fumed silica.
The first thixotropic agent is BYK-R605.
The second rheological agent is hydrophilic fumed silica.
The second thixotropic agent is BYK-R607.
The preparation method of the aliphatic hydroxyl-terminated polyester polyol comprises the following steps:
Adding pentaerythritol, 2-hydroxy propionic acid and p-toluenesulfonic acid into a reaction vessel, adding acetone into the reaction vessel, adjusting the reaction temperature to 53 ℃, condensing and circulating for 1h, adding toluene and maleic anhydride into the vessel, adjusting the reaction vessel temperature to 105 ℃, and condensing and circulating for 1.3h to obtain the aliphatic hydroxyl-terminated polyester polyol. The weight ratio of pentaerythritol, 2-hydroxy propionic acid, maleic anhydride, p-toluenesulfonic acid, acetone and toluene is 14.2:9.4:10.2:1:78.3:78.3, pentaerythritol CAS number 115-77-5, from Sigma Aldrich (Shanghai) trade Co., ltd., 2-hydroxypropionic acid CAS number 50-21-5, from Sigma Aldrich (Shanghai) trade Co., ltd., maleic anhydride CAS number 108-31-6, from Shanghai Aldrin Biochemical technologies Co., ltd., acetone CAS number 67-64-1, from Sigma Aldrich (Shanghai) trade Co., ltd., toluene CAS number 108-88-3, from Sigma Aldrich (Shanghai) trade Co., ltd.
The preparation steps of the component A comprise:
Adding epoxy resin, polyester polyol and a first thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, wherein the stirring speed is 1200r/min, the stirring time is 15min, slowly adding the first rheological agent, and dispersing and stirring at a high speed again after the dripping is completed within 15min, wherein the stirring speed is 1200r/min, and the stirring time is 30 min.
The bisphenol A type epoxy resin has CAS number 1675-54-3, and is purchased from Sigma Aldrich (Shanghai) trade Co., ltd., BYK-R605, brand: pick, germany, available from Chongqing Kaijin chemical Co., ltd., hydrophilic fumed silica, brand: wacker N20, germany, available from Kaiyin chemical Co., ltd. The preparation method of the modified amine comprises the following steps:
Placing isocyanate in a reaction vessel, adding an amine mixture A into the reaction vessel, controlling the reaction temperature to be 50 ℃, stopping the reaction when the isocyanate content is 10% (wt), obtaining a mixture a, adding an amine mixture B into the mixture a, and stopping the reaction when the active hydrogen equivalent of the material is 200+/-10 at 70 ℃, thus obtaining the modified amine.
The weight ratio of the amine mixture A to the amine mixture B to the isocyanate is 1.2:1.2:2.7.
The isocyanate is toluene diisocyanate, which has CAS number 26471-62-5 and is available from Sigma Aldrich trade Inc.
The amine mixture A is a mixture of diethylenetriamine and triethylenetetramine; diethylenetriamine and triethylenetetramine in a weight ratio of 1.0:1.0, diethylenetriamine CAS number 111-40-0, from Sigma Aldrich trade Inc., triethylenetetramine CAS number 112-24-3, from Shanghai Yi En chemical Co.
The amine mixture B is a mixture of isophorone diamine and m-xylylenediamine; isophorone diamine, m-xylylenediamine in a weight ratio of 2.0:1.0 isophoronediamine CAS number 2855-13-2, available from Shanghai Michael chemical technologies Co., ltd., m-xylylenediamine CAS number 1477-55-0, available from Sigma Aldrich (Shanghai) trade Co., ltd.
The preparation steps of the component B comprise:
Adding modified amine and a second thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, wherein the stirring speed is 1200r/min, the stirring time is 15min, then adding the second rheological agent, dispersing and stirring at a high speed again, the stirring speed is 1200r/min, and the stirring time is 5 min.
The BYK-R607, brand: pick, germany, available from Shanghai De trade Limited.
The second aspect of the invention provides a preparation method of a flexible packaging material for an amorphous transformer, which comprises the following steps:
placing the component B into a barrel, adding the component A into the barrel, and manually stirring for 5min in the same time to obtain the final product.
The invention provides an application of a flexible packaging material for an amorphous transformer, which is applied to the amorphous transformer.
Comparative example 1
The specific embodiment is the same as example 2, and the flexible packaging material for the amorphous transformer is prepared from the following raw materials in parts by weight: and (3) a component A: 90 parts of epoxy resin, 1 part of polyester polyol, 3 parts of a first rheological agent, 2 parts of a first thixotropic agent and a component B: 95 parts of modified amine, 3 parts of a second rheological agent and 2 parts of a second thixotropic agent.
Comparative example 2
The specific embodiment is the same as example 2, wherein the weight ratio of the amine mixture A to the amine mixture B to the isocyanate is 1:3:0.5.
The isocyanate is toluene diisocyanate, which has CAS number 26471-62-5 and is available from Sigma Aldrich trade Inc.
The amine mixture A is a mixture of diethylenetriamine and triethylenetetramine; diethylenetriamine and triethylenetetramine in a weight ratio of 1.0:2.0.
The amine mixture B is isophorone diamine and m-xylylenediamine; isophorone diamine, m-xylylenediamine in a weight ratio of 2.0:1.0.
Comparative example 3
The specific embodiment is the same as example 2, and the flexible packaging material for the amorphous transformer is prepared from the following raw materials in parts by weight: and (3) a component A: 90 parts of epoxy resin, 5 parts of polyester polyol, 0.5 part of first rheological agent, 2 parts of first thixotropic agent and component B: 95 parts of modified amine, 0.5 part of second rheological agent and 2 parts of second thixotropic agent.
Performance test:
according to GB/T2411-2008 standard, coating the flexible packaging material for the amorphous transformer prepared in examples 1-2 and comparative examples 1-3 on the amorphous transformer, heating and curing for 12 hours at 140 ℃, and testing the Shore hardness (A) of the flexible packaging material by using a Shore D durometer after the packaging material is fully cured.
According to GB/T10064-2006 standard, the flexible packaging material for the amorphous transformer, which is prepared in the embodiment 1-2 and the comparative example 1-3, is coated on the amorphous transformer, is heated and cured for 12 hours at 140 ℃, and after the packaging material is fully cured, the insulation resistance of the packaging material is tested.
According to GB/T1410-2006 standard, the flexible packaging material for the amorphous transformer, which is prepared in the embodiment 1-2 and the comparative example 1-3, is coated on the amorphous transformer, heated and cured for 12 hours at 140 ℃, and after the packaging material is fully cured, the surface resistivity and the volume resistivity of the packaging material are tested.
According to GB/T7124-2008 standard, the flexible packaging material for the amorphous transformer, which is prepared in the embodiment 1-2 and the comparative example 1-3, is coated on the amorphous transformer, heated and cured for 12 hours at 140 ℃, and after the packaging material is fully cured, the shearing strength of the packaging material is tested.
According to GB/T1040.1-2006 standard, the flexible packaging material for the amorphous transformer, which is prepared in the examples 1-2 and the comparative examples 1-3, is coated on the amorphous transformer, heated and cured for 12 hours at 140 ℃, and after the packaging material is fully cured, the tensile strength and the tensile rate of the packaging material are tested.
The encapsulation material was tested for gel time at 120 ℃ according to the Q/XT 2027 standard.
Table 1.
The flexible packaging material for the amorphous transformer prepared in the embodiment 1-2 and the comparative example 1-3 is placed for 1h at normal temperature, after the packaging material is fully solidified, the packaging material with the area of 60mm 70mm is cut, the packaging material is placed into a barrel containing 45# gasoline, the packaging material is soaked for 24h at the temperature of 105 ℃, the appearance of the packaging material is visually inspected and recorded, and then the packaging material is taken out for standby.
The extracted encapsulating material was tested for micro-water content according to the GB/T7600-2014 standard.
The breakdown voltage of the removed encapsulation material was tested according to the GB/T507-2002 standard.
The oil dielectric loss factor of the removed encapsulation material was tested according to the GB/T5654-2007 standard.
The removed encapsulating material was subjected to oil chromatography according to GB/T17charge-1998 standard.
The flexible encapsulating material for amorphous transformer prepared in example 2 is coated on amorphous transformer, and cured for 12h at 140 ℃, and after the encapsulating material is fully cured, the amorphous transformer coated with the flexible encapsulating material is obtained, wherein fig. 1 is a plan view of amorphous transformer, and fig. 2 is a perspective view of amorphous transformer.
Claims (5)
1. The flexible packaging material for the amorphous transformer is characterized by comprising the following raw materials in parts by weight: and (3) a component A: 85-130 parts of epoxy resin, 3-8 parts of polyester polyol, 2-5 parts of a first rheological agent, 1-3 parts of a first thixotropic agent and component B: 90-100 parts of modified amine, 2-5 parts of a second rheological agent and 1-3 parts of a second thixotropic agent;
In the component A, the weight ratio of epoxy resin to polyester polyol to first thixotropic agent is 44-46:2-3:1, a step of;
the polyester polyol is aliphatic hydroxyl-terminated polyester polyol, and the preparation steps of the aliphatic hydroxyl-terminated polyester polyol comprise:
Adding an alcohol compound, a carboxyl compound and a sulfonic acid compound into a reaction vessel, adding a solvent a into the reaction vessel, performing condensation circulation reaction for 1-1.5h, adding a solvent b and an anhydride compound into the reaction vessel, adjusting the temperature of the reaction vessel to 100-110 ℃, and performing condensation circulation for 0.8-1.5h to obtain the catalyst;
the preparation method of the modified amine comprises the following steps:
placing isocyanate in a reaction vessel, adding an amine mixture A into the reaction vessel, controlling the reaction temperature to be 25-60 ℃, stopping the reaction when the isocyanate content is less than 15%, obtaining a mixture a, adding an amine mixture B into the mixture a, and stopping the reaction when the active hydrogen equivalent of the material is 180-220 at the temperature of 25-80 ℃, thus obtaining modified amine;
the amine mixture A comprises diethylenetriamine and triethylenetetramine; the weight ratio of diethylenetriamine to triethylenetetramine is 0.5-3:1, a step of;
the amine mixture B is isophorone diamine and m-xylylenediamine, and the weight ratio of isophorone diamine to m-xylylenediamine is 1.8-2.5:1.0;
the weight ratio of the amine mixture A to the amine mixture B to the isocyanate is 2:1.5:0.8 or 1.2:1.2:2.7.
2. The flexible encapsulating material for amorphous transformers according to claim 1, wherein the epoxy resin is one or a combination of a bisphenol a type epoxy resin, a bisphenol F type epoxy resin, a polyphenol type glycidyl ether epoxy resin, an aliphatic glycidyl ether epoxy resin, a glycidyl ester type epoxy resin, and a glycidyl amine type epoxy resin.
3. The flexible encapsulating material for amorphous transformers according to claim 1, wherein the step of preparing the a component comprises:
adding epoxy resin, polyester polyol and a first thixotropic agent into a reaction vessel, dispersing and stirring at high speed, then adding the first rheological agent, and dispersing and stirring at high speed again to obtain the epoxy resin-polyester polyol thixotropic agent.
4. The flexible encapsulating material for amorphous transformers according to claim 1, wherein the preparing step of the B component comprises:
Adding modified amine and a second thixotropic agent into a reaction vessel, dispersing and stirring at a high speed, then adding a second rheological agent, and dispersing and stirring at a high speed again to obtain the modified amine thixotropic agent.
5. A method for producing a flexible encapsulating material for an amorphous transformer according to any one of claims 1 to 4, comprising the steps of:
placing the component B into a reaction vessel, adding the component A into the reaction vessel, and stirring for 3-5min along the direction of the simultaneous needle.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434286A (en) * | 1980-11-03 | 1984-02-28 | Union Carbide Corporation | Curable epoxy resin containing compositions |
| CA1183642A (en) * | 1981-11-04 | 1985-03-05 | Orson K. Spurr, Jr. | Curable epoxy resin containing compositions |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4434286A (en) * | 1980-11-03 | 1984-02-28 | Union Carbide Corporation | Curable epoxy resin containing compositions |
| CA1183642A (en) * | 1981-11-04 | 1985-03-05 | Orson K. Spurr, Jr. | Curable epoxy resin containing compositions |
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