CN111253826A - Water-soluble silicon steel sheet paint and preparation process thereof - Google Patents
Water-soluble silicon steel sheet paint and preparation process thereof Download PDFInfo
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- CN111253826A CN111253826A CN201811461030.7A CN201811461030A CN111253826A CN 111253826 A CN111253826 A CN 111253826A CN 201811461030 A CN201811461030 A CN 201811461030A CN 111253826 A CN111253826 A CN 111253826A
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- water
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- steel sheet
- silicon steel
- soluble
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 89
- 239000003973 paint Substances 0.000 title claims abstract description 80
- 238000002360 preparation method Methods 0.000 title abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229920001661 Chitosan Polymers 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims description 68
- 239000006185 dispersion Substances 0.000 claims description 41
- 239000002966 varnish Substances 0.000 claims description 36
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 30
- 238000002156 mixing Methods 0.000 claims description 25
- 229920003180 amino resin Polymers 0.000 claims description 23
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 19
- -1 polydimethylsiloxane Polymers 0.000 claims description 18
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 16
- 239000003822 epoxy resin Substances 0.000 claims description 16
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 16
- 229920000647 polyepoxide Polymers 0.000 claims description 16
- 150000003242 quaternary ammonium salts Chemical class 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 229920000180 alkyd Polymers 0.000 claims description 4
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- NKSJNEHGWDZZQF-UHFFFAOYSA-N ethenyl(trimethoxy)silane Chemical compound CO[Si](OC)(OC)C=C NKSJNEHGWDZZQF-UHFFFAOYSA-N 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920001225 polyester resin Polymers 0.000 claims description 4
- 239000004645 polyester resin Substances 0.000 claims description 4
- 229920005749 polyurethane resin Polymers 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 239000010445 mica Substances 0.000 claims description 3
- 229910052618 mica group Inorganic materials 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 239000005083 Zinc sulfide Substances 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 229910052984 zinc sulfide Inorganic materials 0.000 claims description 2
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 claims description 2
- 239000000454 talc Substances 0.000 claims 1
- 229910052623 talc Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 239000013556 antirust agent Substances 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 12
- 230000002401 inhibitory effect Effects 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013329 compounding Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Images
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses water-soluble silicon steel sheet paint and a preparation process thereof, relates to the technical field of paint materials, and solves the problem that an antirust agent added in antirust paint is easy to generate great harm to the ecological environment. The paint comprises the following components in parts by weight: 10-20 parts of water-soluble resin; 1-5 parts of water-soluble chitosan; 2-5 parts of a curing agent; 55-65 parts of inorganic powder; 0.5-5 parts of an auxiliary agent; 10-25 parts of water. The water-soluble silicon steel sheet paint disclosed by the invention does not harm the ecological environment in the using process and has a good antirust effect.
Description
Technical Field
The invention relates to the technical field of paint materials, in particular to water-soluble silicon steel sheet paint and a preparation process thereof.
Background
The paint is a chemical mixture coating which can firmly cover the surface of an object and has the functions of protection, decoration, marking and other special purposes, and the surface of the iron core silicon steel sheet in a large-scale turbine, a hydraulic generator and various transformers needs to be subjected to insulation and corrosion prevention treatment by the paint so as to ensure the normal and stable operation of the iron core silicon steel sheet.
The invention discloses an antirust paint for metal in a Chinese patent with publication number CN105860845A, which comprises the following raw materials in parts by weight: 8-14 parts of linseed oil, 1-3 parts of stearic acid, 10-20 parts of mica powder, 2-5 parts of zeolite powder, 3-5 parts of aluminum oxide, 1-3 parts of chlorinated paraffin, 5-7 parts of polyvinyl chloride resin, 5-8 parts of zinc phosphate and 2-5 parts of antirust agent.
In the above patent, the rust inhibitive ability of the rust inhibitive paint for metals is improved by adding a rust inhibitive agent, but since a chromate is contained in the rust inhibitive agent, although the rust inhibitive paint for metals has a good rust inhibitive effect, it is harmful to the ecological environment, and the price of the rust inhibitive agent is generally high, a new solution is required to solve the above problems.
Disclosure of Invention
Aiming at the problem that the antirust agent added in the antirust paint in the prior art is easy to generate great harm to the ecological environment, the invention aims to provide the water-soluble silicon steel sheet paint, which is added with the water-soluble chitosan to enable the water-soluble chitosan to interact with the substrate and form a protective layer so as to solve the technical problem, cannot generate harm to the ecological environment in the using process and has good antirust effect.
In order to achieve the first purpose, the invention provides the following technical scheme:
the water-soluble silicon steel sheet paint comprises the following components in parts by weight:
10-20 parts of water-soluble resin;
1-5 parts of water-soluble chitosan;
2-5 parts of a curing agent;
55-65 parts of inorganic powder;
0.5-5 parts of an auxiliary agent;
10-25 parts of water.
By adopting the technical scheme, the water-soluble resin enables the water-soluble silicon steel sheet paint to use water as a solvent, thereby avoiding the harm of an organic solvent to the environment and human bodies. The water-soluble chitosan molecule contains special cyclic ether and linear ether structures, so that the flexibility of the water-soluble resin is improved, in addition, the molecular chain of the water-soluble chitosan contains a plurality of hydroxyl, amino, carboxyl and other groups, and the groups with rust resistance can interact with a substrate to form a rust-proof protective layer during film forming, so that the water-soluble silicon steel sheet paint has a good rust-proof effect in the using process. As the chitosan is a cheap natural polymer material, the water-soluble chitosan is one of the formulas of the water-soluble silicon steel sheet paint, and has abundant resource advantages.
The water-soluble silicon steel sheet paint is added with a certain amount of inorganic powder, so that the shrinkage of the water-soluble silicon steel sheet paint can be effectively reduced, the burning loss insulativity of the water-soluble silicon steel sheet paint is improved, and the inorganic powder remained after the paint film of the water-soluble silicon steel sheet paint is carbonized can still play a certain insulation protection role on the silicon steel sheet, thereby being beneficial to keeping good and stable operation of large-scale steam turbines, hydraulic generators and various transformers. The curing agent and the auxiliary agent enable the whole water-soluble silicon steel sheet paint to have good quality, greatly improve the hardness, insulativity, water resistance and mechanical strength of a paint film of the water-soluble silicon steel sheet paint, and enable the water-soluble silicon steel sheet paint to have good applicability in the actual use process.
Further preferably, 1.5-2.5 parts by weight of quaternary ammonium salt is added into the water-soluble silicon steel sheet paint.
By adopting the technical scheme, the quaternary ammonium salt greatly improves the water solubility of the water-soluble chitosan, is beneficial to improving the overall quality of the water-soluble silicon steel sheet paint, can play a good compounding effect by mixing the quaternary ammonium salt and the water-soluble chitosan, can form a protective layer on the surface of the water-soluble silicon steel sheet paint, improves the antirust capacity of the water-soluble silicon steel sheet paint, and ensures that the water-soluble silicon steel sheet paint has good film-forming property. Meanwhile, the quaternary ammonium salt not only has the functions of emulsification and thickening, but also is a good surfactant, so that the bonding strength of the water-soluble silicon steel sheet paint is greatly improved.
More preferably, the water-soluble resin is one or more of water-based epoxy resin, water-based alkyd resin, water-based polyester resin, water-based silicone resin, water-based polyurethane resin and water-based acrylic resin.
By adopting the technical scheme, the waterborne epoxy resin, the waterborne alkyd resin, the waterborne polyester resin, the waterborne organic silicon resin, the waterborne polyurethane resin and the waterborne acrylic resin have strong adaptability and extremely high adhesive force to a plurality of substrates, so that a paint film of the water-soluble silicon steel sheet paint has good chemical corrosion resistance. Meanwhile, the water-soluble resin has good environmental protection performance, does not contain organic solvent or volatile organic compounds, and cannot cause air pollution.
Preferably, the inorganic powder is selected from one or more of titanium dioxide, barium sulfate, silicon dioxide, zinc oxide, zinc sulfide, aluminum oxide, boron nitride, silicon nitride, wollastonite, mica powder, bentonite, calcium carbonate, kaolin and talcum powder.
By adopting the technical scheme, the inorganic powder not only enables the paint film of the water-soluble silicon steel sheet paint to have good structural strength, but also enables the high temperature resistance, the corrosion resistance and the wear resistance of the paint film to be greatly improved, and the inorganic powder can also reduce the viscosity of the water-soluble silicon steel sheet paint in use, so that the water-soluble silicon steel sheet paint is convenient to level and has good use effect. Meanwhile, inorganic powder remained after the paint film of the water-soluble silicon steel sheet paint is carbonized can play a certain insulation protection role on the silicon steel sheet.
More preferably, the particle diameter of the inorganic powder under D50 is 0.5-1 μm.
By adopting the technical scheme, the inorganic powder has smaller grain diameter, is filled in the water-soluble silicon steel sheet paint, so that the formed paint film has good toughness and impact strength, and the water-soluble silicon steel sheet paint has good fluidity, is favorable for forming a flat, fine and smooth paint film when in use, and greatly improves the adhesive force of the paint film. Meanwhile, inorganic powder with small particle size is not easy to generate precipitation, so that the water-soluble silicon steel sheet paint keeps good stability in the storage process.
More preferably, the curing agent is methylated amino resin.
By adopting the technical scheme, in the curing process of the paint film, the water-soluble chitosan can generate a crosslinking reaction with the methylated amino resin, so that the curing speed and the crosslinking density of the resin are improved, and finally, the water resistance and the adhesive force of the paint film of the silicon steel sheet are improved, and the corrosion resistance is obviously improved. Meanwhile, in the preparation process of the water-soluble silicon steel sheet varnish, the water-soluble chitosan and the water-soluble resin can pre-react with the methylated amino resin, so that the storage stability of the water-soluble silicon steel sheet varnish is obviously improved.
More preferably, the assistant is one or more of polydimethylsiloxane, polyamide wax, barium stearate, sodium dodecyl benzene sulfonate and vinyl trimethoxy silane.
By adopting the technical scheme, the polydimethylsiloxane is a good defoaming agent, so that the water-soluble silicon steel sheet paint has good and stable antirust performance after being cured and formed, the polyamide wax is a good anti-settling agent and can effectively prevent inorganic powder from settling, the barium stearate is a good dispersing agent and is beneficial to fully mixing all components, the vinyltrimethoxysilane is a good coupling agent, so that a paint film of the water-soluble silicon steel sheet paint has good structural strength, and the sodium dodecyl benzene sulfonate is a good surfactant and is beneficial to improving the paint film adhesive force of the water-soluble silicon steel sheet paint.
The second purpose of the invention is to provide a preparation process of the water-soluble silicon steel sheet varnish, and the water-soluble silicon steel sheet varnish prepared by the method does not harm the ecological environment in the using process and has good antirust effect.
In order to achieve the second purpose, the invention provides the following technical scheme, which comprises the following steps:
step one, preparing paint, mixing and dispersing water-soluble resin, water-soluble chitosan, a curing agent, an auxiliary agent and three-fourths of water in corresponding parts by weight, and adding inorganic powder while stirring in the process of mixing and dispersing to obtain coarse materials;
grinding, namely grinding the coarse material to ensure that the fineness of the base material is 5-10 mu m to obtain the base material;
dispersing, namely performing heat preservation and dispersion on the base material for 0.5-2 hours at the temperature of 60-90 ℃ to obtain a mixture;
and step four, diluting and mixing, adding the remaining one-fourth of the water in parts by weight into the mixture, mixing and dispersing to obtain the water-soluble silicon steel sheet paint.
By adopting the technical scheme, the water-soluble resin, the water-soluble chitosan, the curing agent and the auxiliary agent are fused with each other in a heat preservation and dispersion mode at a specific temperature after paint preparation, grinding and dispersion, the compatibility between the filler and the resin is improved through heat preservation treatment, the filler is not easy to settle and agglomerate in the storage process, and the flatness and the fineness of a paint film are improved. The water-soluble chitosan and the water-soluble resin can react with the methylated amino resin for pre-reaction, so that the storage stability of the water-soluble silicon steel sheet paint is obviously improved. Meanwhile, the dispersibility of the filler is improved, the surface tension is weakened, and the viscosity of the paint is reduced, so that the leveling and spreading of the water-soluble silicon steel sheet paint in the coating process are facilitated, the wettability is improved, and the section painting rate of the water-soluble silicon steel sheet paint can be effectively improved.
In summary, compared with the prior art, the invention has the following beneficial effects:
(1) the water-soluble chitosan is added, the flexibility of the water-soluble resin is improved by utilizing the special cyclic ether and linear ether structures contained in the molecules of the water-soluble chitosan, in addition, the molecular chain of the water-soluble chitosan contains a plurality of hydroxyl, amino, carboxyl and other groups, and the groups with rust resistance can interact with a substrate to form a rust-resistant protective layer when forming a film, so that the water-soluble silicon steel sheet paint has good rust-resistant effect in the using process and is not easy to pollute the environment in the using process;
(2) the quaternary ammonium salt is added into the water-soluble silicon steel sheet paint, so that the water solubility of the water-soluble chitosan can be greatly improved, and the quaternary ammonium salt and the water-soluble chitosan are mixed for use, so that a good compounding effect can be achieved, a protective layer can be formed on the surface of the water-soluble silicon steel sheet paint, the antirust capability of the water-soluble silicon steel sheet paint is improved, and the water-soluble silicon steel sheet paint has good film forming property;
(3) the curing agent adopts methylated amino resin, so that the water-soluble chitosan can generate crosslinking reaction with the methylated amino resin, the curing speed and the crosslinking density of the resin are improved, and finally, the water resistance and the adhesive force of a paint film of the silicon steel sheet are improved, and the corrosion resistance is obviously improved.
Drawings
FIG. 1 is a flow chart of a process for preparing the water-soluble silicon steel sheet varnish of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example 1: the water-soluble silicon steel sheet varnish comprises the following components in parts by weight as shown in Table 1, and is prepared by the following steps:
step one, preparing paint, namely stirring water-based epoxy resin, water-soluble chitosan, methylated amino resin, polydimethylsiloxane and three-quarter of water in parts by weight in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and barium sulfate with the particle size of 0.8 mu m under the D50 standard is added while stirring in the process of mixing and dispersing to obtain a coarse material;
grinding, namely grinding the coarse material in a horizontal grinder to ensure that the temperature of circulating water is kept at 55 ℃ and the working pressure is 1Mpa/m3The fineness of the base material is 8 mu m, and the base material can be obtained;
dispersing, namely stirring the base material by using a dispersion machine at the temperature of 60-90 ℃, wherein the rotating speed of the dispersion machine is 480rpm, stirring for 15min, and performing heat preservation and dispersion for 0.5-2 h to obtain a mixture;
and step four, diluting and mixing, adding the remaining one-fourth of the water in parts by weight into the mixture, stirring by using a dispersion machine, wherein the rotating speed of the dispersion machine is 200rpm, and stirring for 8min to obtain the water-soluble silicon steel sheet paint.
Examples 2 to 8: the water-soluble silicon steel sheet varnish is different from the varnish in the embodiment 1 in that the components and the corresponding parts by weight are shown in the table 1.
TABLE 1 Components and parts by weight of examples 1-8
Example 9: a water-soluble silicon steel sheet varnish, which is different from that in example 1, the first step specifically includes the following steps of stirring 10 parts by weight of water-based silicone resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and during the mixing and dispersing process, barium sulfate with the particle size of 0.8 μm under the standard of D50 and the weight part of 65 parts is added while stirring, so as to obtain a coarse material.
Example 10: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 10 parts by weight of aqueous polyurethane resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, barium sulfate with the particle size of 0.8 mu m under the D50 standard and the weight part of 65 parts by weight is added while stirring to obtain a coarse material.
Example 11: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 5 parts by weight of water-based alkyd resin, 5 parts by weight of water-based polyester resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, barium sulfate with the particle size of 0.8 mu m under the D50 standard and the weight of 65 parts by weight is added while stirring, so as to obtain a coarse material.
Example 12: a water-soluble silicon steel sheet varnish, which is different from that in example 1, the first step specifically includes the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, aluminum oxide with the particle size of 0.8 μm under the standard of D50 and 65 parts by weight is added while stirring to obtain a coarse material.
Example 13: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, calcium carbonate with the particle size of 0.8 mu m under the D50 standard and the weight part of 65 parts by weight is added while stirring to obtain a coarse material.
Example 14: a water-soluble silicon steel sheet varnish is different from that in example 1, and the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring for 25min, and adding 30 parts by weight of silicon nitride and 35 parts by weight of wollastonite with the particle size of 0.8 mu m under the D50 standard while stirring in the mixing and dispersing process to obtain a coarse material.
Example 15: a water-soluble silicon steel sheet varnish, which is different from that in example 1, the first step specifically includes the following steps of stirring 10 parts by weight of aqueous epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polyamide wax and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, stirring for 25min, and adding 65 parts by weight of barium sulfate with the particle size of 0.8 μm under the standard of D50 while stirring in the process of mixing and dispersing to obtain a coarse material.
Example 16: a water-soluble silicon steel sheet varnish, which is different from that in embodiment 1, the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of barium stearate and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, adding 65 parts by weight of barium sulfate with the particle size of 0.8 μm under the standard of D50 while stirring to obtain a coarse material.
Example 17: a water-soluble silicon steel sheet varnish is different from that in embodiment 1, and the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 2 parts by weight of sodium dodecyl benzene sulfonate, 3 parts by weight of vinyl trimethoxy silane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, barium sulfate with the particle size of 0.8 mu m under the D50 standard and the weight of 65 parts by weight is added while stirring, so as to obtain a coarse material.
Example 18: a water-soluble silicon steel sheet varnish, which is different from that in embodiment 1, the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane, 1.5 parts by weight of quaternary ammonium salt and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and in the process of mixing and dispersing, barium sulfate with the particle size of 0.8 μm under the standard of D50 and the weight of 65 parts by weight is added while stirring, so as to obtain a coarse material.
Example 19: a water-soluble silicon steel sheet varnish, which is different from that in example 1, the first step specifically includes the steps of stirring 10 parts by weight of aqueous epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane, 2 parts by weight of quaternary ammonium salt and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, stirring for 25min, and adding 65 parts by weight of barium sulfate with the particle size of 0.8 μm under the D50 standard while stirring in the mixing and dispersing process to obtain a coarse material.
Example 20: a water-soluble silicon steel sheet varnish, which is different from that in embodiment 1, the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane, 2.5 parts by weight of quaternary ammonium salt and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and barium sulfate with the particle size of 0.8 μm under the standard of D50 and the weight part of 65 parts by weight is added while stirring in the mixing and dispersing process to obtain a coarse material.
Example 21: a water-soluble silicon steel sheet varnish, which is different from that of example 1 in that the particle size of barium sulfate under the D50 standard is 0.5 μm.
Example 22: a water-soluble silicon steel sheet varnish was different from example 1 in that barium sulfate had a particle size of 1 μm under the D50 standard.
Comparative example 1: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 10 parts by weight of waterborne epoxy resin, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, stirring is carried out for 25min, and during the mixing and dispersing process, barium sulfate with the particle size of 0.8 mu m under the D50 standard and the weight part of 65 parts is added under stirring to obtain a coarse material.
Comparative example 2: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 10 parts by weight of water-based epoxy resin, 5 parts by weight of water-soluble chitosan, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotating speed of the dispersion machine is 300rpm, and stirring is carried out for 25min to obtain a coarse material.
Comparative example 3: the difference between the water-soluble silicon steel sheet varnish and the embodiment 1 is that the first step specifically comprises the following steps of stirring 10 parts by weight of waterborne epoxy resin, 2 parts by weight of methylated amino resin, 5 parts by weight of polydimethylsiloxane and 7.5 parts by weight of water in a stirring barrel by using a dispersion machine, wherein the rotation speed of the dispersion machine is 300rpm, and stirring is carried out for 25min to obtain a coarse material.
Test for rust inhibitive Property
Test samples: the water-soluble silicon steel sheet varnishes obtained in examples 1 to 22 were used as test samples 1 to 22, and the water-soluble silicon steel sheet varnishes obtained in comparative examples 1 to 3 were used as control samples 1 to 3.
The test method comprises the following steps: the test samples 1-22 and the comparison samples 1-3 are respectively made into 10 standard samples according to the relevant standards in GB/T1771-1991 'determination of neutral salt spray resistance of colored paint and varnish', the 10 standard samples are respectively tested and tested according to the method in the standard, one standard sample in each group of samples is taken out every 24 hours, whether the surface of the test plate is rusted or not is checked, and the time when each group of samples are rusted is recorded.
And (3) test results: the test results of the test samples 1 to 22 and the control samples 1 to 3 are shown in Table 2. As can be seen from Table 2, the water-soluble chitosan and the inorganic powder are added to the water-soluble silicon steel sheet varnish to provide a good rust-proof effect in the use process, as compared with the test results of the test samples 1 to 8 and the comparison samples 1 to 3. The comparison of the test results of the test samples 1-8 and the comparison samples 9-17 can obtain that the water-soluble resin, the inorganic powder and the auxiliary agent disclosed by the invention can maintain good antirust effect of the water-soluble silicon steel sheet paint in the using process. The test results of the test samples 1-8 and the control samples 18-20 are compared to obtain the quaternary ammonium salt and the water-soluble chitosan, so that the quaternary ammonium salt and the water-soluble chitosan are mixed to play a good compounding effect, and the antirust capacity of the water-soluble silicon steel sheet paint can be improved.
TABLE 2 test results of test samples 1-22 and control samples 1-3
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. The water-soluble silicon steel sheet paint is characterized by comprising the following components in parts by weight:
10-20 parts of water-soluble resin;
1-5 parts of water-soluble chitosan;
2-5 parts of a curing agent;
55-65 parts of inorganic powder;
0.5-5 parts of an auxiliary agent;
10-25 parts of water.
2. The water-soluble silicon steel sheet varnish according to claim 1, wherein 1.5 to 2.5 parts by weight of quaternary ammonium salt is further added to the water-soluble silicon steel sheet varnish.
3. The water-soluble silicon steel sheet paint as claimed in claim 1, wherein the water-soluble resin is one or more selected from the group consisting of water-based epoxy resin, water-based alkyd resin, water-based polyester resin, water-based silicone resin, water-based polyurethane resin and water-based acrylic resin.
4. The water-soluble silicon steel sheet varnish according to claim 1, wherein the inorganic powder is one or more selected from titanium dioxide, barium sulfate, silicon dioxide, zinc oxide, zinc sulfide, aluminum oxide, boron nitride, silicon nitride, wollastonite, mica powder, bentonite, calcium carbonate, kaolin and talc.
5. The water-soluble silicon steel sheet varnish according to claim 1, wherein the inorganic powder has a particle size of 0.5 to 1 μm under D50.
6. The water-soluble silicon steel sheet varnish according to claim 1, wherein the curing agent is methylated amino resin.
7. The water-soluble silicon steel sheet varnish according to claim 1, wherein the auxiliary agent is one or more selected from polydimethylsiloxane, polyamide wax, barium stearate, sodium dodecylbenzenesulfonate and vinyltrimethoxysilane.
8. A process for preparing the water-soluble silicon steel sheet varnish as claimed in claim 1, comprising the steps of:
step one, preparing paint, mixing and dispersing water-soluble resin, water-soluble chitosan, a curing agent, an auxiliary agent and three-fourths of water in corresponding parts by weight, and adding inorganic powder while stirring in the process of mixing and dispersing to obtain coarse materials;
grinding, namely grinding the coarse material to ensure that the fineness of the base material is 5-10 mu m to obtain the base material;
dispersing, namely performing heat preservation and dispersion on the base material for 0.5-2 hours at the temperature of 60-90 ℃ to obtain a mixture;
and step four, diluting and mixing, adding the remaining one-fourth of the water in parts by weight into the mixture, mixing and dispersing to obtain the water-soluble silicon steel sheet paint.
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