CN110216945A - A kind of electromagnetic steel plate of high-insulativity - Google Patents
A kind of electromagnetic steel plate of high-insulativity Download PDFInfo
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- CN110216945A CN110216945A CN201910492388.4A CN201910492388A CN110216945A CN 110216945 A CN110216945 A CN 110216945A CN 201910492388 A CN201910492388 A CN 201910492388A CN 110216945 A CN110216945 A CN 110216945A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/206—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/584—Scratch resistance
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/752—Corrosion inhibitor
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
Abstract
The invention discloses a kind of electromagnetic steel plate of high-insulativity, steel plate includes: substrate and the insulating layer set on substrate two sides；By weight, insulating layer includes the material of following parts by weight: 26~28 parts by weight of polycarbonate；8~10 parts by weight of polyethylene；13~15 parts by weight of vinyltriethoxysilane；5~8 parts by weight of tri acetyl cellulose；1~3 parts by weight of chlorinated paraffin；Two chromium borides, 2~4 parts by weight；Ti3SiC21~3 parts by weight；5~7 parts by weight of lubricant.The electromagnetic steel plate of high-insulativity of the invention, the insulating layer including substrate and set on substrate two sides；It is with excellent punching, adaptation and insulation performance.
Description
Technical field
The present invention relates to a kind of steel plate, in particular to a kind of electromagnetic steel plate of high-insulativity.
Background technique
Electromagnetic steel plate is suitable for the devices such as motor, transformer.The insulating film being formed on this electromagnetic steel plate, it is not only right
Its interface resistance requires, and the various characteristics such as convenience when for machine-shaping and keeping, stability when using
All require.In particular, if insulating film has brilliant punching, time of replacement metal die when can reduce punching
Number.In addition, the work such as cleaning caused due to film stripping can be reduced if insulating film has brilliant adaptation.Therefore,
As insulating film handy, with brilliant convenience.Moreover, the characteristic of the insulating film for being formed on electromagnetic steel plate is wanted
It asks, it is different according to the difference of purposes.Therefore, according to different purposes, the exploitation of various insulating films is carried out.
But in general, to implement punch press process to electromagnetic steel plate, shearing adds when manufacturing product with electromagnetic steel plate
The processing such as work, bending machining.These processing are implemented to electromagnetic steel plate, then so that magnetic characteristic is deteriorated because there is overstrain sometimes.
Be deteriorated to eliminate this magnetic characteristic, be in most cases 700 DEG C~800 DEG C or so at a temperature of carry out stress relief annealing.
So in the case where carrying out stress relief annealing after these processing, it is desirable that insulating film has when can shoulder stress relief annealing
The heat resistance of that hot degree.
In addition, the insulating film formed on electromagnetic steel plate can be divided into following three types.
(1) pay attention to weldability, heat resistance, can shoulder the inoranic membrane of stress relief annealing.
(2) it is intended to take into account punching property, weldability, the inoranic membrane containing the resin that can shoulder to live stress relief annealing (partly has
Machine film).
(3) it is used for specific use, not can be carried out the organic film of stress relief annealing.
As universal product, can shoulder stress relief annealing heat insulation film be above-mentioned (1), shown in (2) containing inorganic
The insulating film of ingredient.As above-mentioned inorganic constituents, using relatively more the case where chromium compound.(2) class of chromium compound is used
An example of the insulating film of type is chromate insulating film.(2) the chromate insulating film of type is once toasted by primary coating
And it is formed.Moreover, the chromate insulating film of (2) type is due to that can significantly improve band insulation compared with the inoranic membrane of (1) type
The punching of the electromagnetic steel plate of film, so being widely applied.However, there is pollution in the insulating film containing chromium compound；It is free of
The electromagnetic steel plate with insulating film of chromium compound has punching property, adaptation (insulation compared with the insulating film containing chromium compound
The adaptation of film and electromagnetic steel plate) the case where being deteriorated.
Summary of the invention
Above-mentioned existing technology there are aiming at the problem that, the present invention provides a kind of electromagnetic steel plate of high-insulativity, insulating film
With brilliant punching and adaptation.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that:
A kind of electromagnetic steel plate of high-insulativity, wherein the steel plate includes: substrate and the insulating layer set on substrate two sides；
By weight, the insulating layer includes the material of following parts by weight:
Preferably, the electromagnetic steel plate of the high-insulativity, wherein the polyethylene includes 40~45wt% high density
Polyethylene and 55~60wt% linear low density polyethylene.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein the lubricant includes the poly- complete of 32~36wt%
Fluorine isopropyl ether, 24~28wt% magnesium stearate and 38~44wt% methyl trifluoro propyl silicone oil.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the zirconium nitride of 1~3 parts by weight.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the perfluoro-methyl second of 0.5~2 parts by weight
Alkene ether.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the phosphorous triphenyl phosphate of 0.5~2 parts by weight
Ester.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the 3- methacryl of 3~5 parts by weight
Oxygroup hydroxypropyl methyl diethoxy silane.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the potassium ferrocyanide of 4~6 parts by weight.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein further include the ferrocene of 1~3 parts by weight.
Preferably, the electromagnetic steel plate of the high-insulativity, wherein the number-average molecular weight of the polycarbonate is
12000~16000.
The utility model has the advantages that
(1) electromagnetic steel plate of high-insulativity of the invention, the insulating layer including substrate and set on substrate two sides；It is with excellent
Different punching, adaptation and insulation performance.
(2) insulating film of the invention improves the lower temperature resistance of insulating film by the way that polyethylene is added based on polycarbonate
Can, chemical stability is good, corrosion-resistant property, electrical insulating property；Vinyltriethoxysilane can improve the adaptation of insulating film, punching
Sanction property；Tri acetyl cellulose can improve the antioxygenic property of film；The heat-resistant stable performance of insulating film can be improved in chlorinated paraffin
With radiation resistance stability；Two chromium borides and Ti3SiC2Collaboration increases the corrosion-resistant of insulating layer, high temperature resistant, adhesion strength, punching
Sanction property；The corrosion-resistant of insulating layer, high temperature resistant, adhesion strength are further increased by the way that zirconium nitride is added.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electromagnetic steel plate of high-insulativity in the present invention.
Specific embodiment
Below with reference to embodiment, specific embodiments of the present invention will be further explained.It should be noted that right
It is used to help understand the present invention in the explanation of these embodiments, but and does not constitute a limitation of the invention.In addition, being retouched below
Technical characteristic involved in each embodiment of the present invention stated can be combined with each other as long as they do not conflict with each other.
The present invention provides a kind of electromagnetic steel plate of high-insulativity, wherein steel plate includes: substrate and set on the exhausted of substrate two sides
Edge layer；By weight, insulating layer includes the material of following parts by weight:
Polycarbonate tool is high-intensitive and coefficient of elasticity, high impact, shaping shrinkage rate are low, dimensional stability is good, resistance to
Fatigability and the good advantage of weatherability；Polyethylene has excellent resistance to low temperature, and chemical stability is good, is resistant to most of soda acids
Erosion, electrical insulating property is excellent；Vinyltriethoxysilane can improve the adaptation of insulating film, punching property；Triacetyl is fine
Dimension element can improve the antioxygenic property of film；The heat-resistant stable performance and radiation resistance stability of insulating film can be improved in chlorinated paraffin
Energy；Two chromium borides and Ti3SiC2Auxiliary agent is added for granular pattern, they are as an auxiliary agent entirety, and collaboration plays a role each other, can
Further increase the corrosion-resistant of insulating layer, high temperature resistant, adhesion strength, punching property.The resistance to height of insulating film can be improved in two chromium borides
Warm corrosion resistance, Ti3SiC2High temperature resistant, corrosion-resistant, resistance to marring and the punching property of insulating film can be improved.
As the another embodiment of this case, wherein polyethylene includes 40~45wt% high density polyethylene (HDPE) and 55~60wt%
Linear low density polyethylene.High density polyethylene (HDPE) has preferable heatproof, resistance to vapour permeability and environmental stress crack resistance, this
Outer electrical insulating property and impact resistance and cold tolerance are fine；Linear low density polyethylene has low-temperature flexibility, high-modulus, counter-bending
And stress cracking resistance, impact strength is preferable under low temperature, and the two is by coordinative role, so that insulation film properties reach best.
As the another embodiment of this case, wherein lubricant includes poly- perfluor isopropyl ether, the 24~28wt% of 32~36wt%
Magnesium stearate and 38~44wt% methyl trifluoro propyl silicone oil.Lubricant can obtain improving insulating film resistance to marring, punching property
Effect, the preferred lubricant of this case be poly- perfluor isopropyl ether, magnesium stearate and methyl trifluoro propyl silicone oil synergistic effect.
As the another embodiment of this case, wherein further include the zirconium nitride of 1~3 parts by weight.It is further by the way that zirconium nitride is added
Improve the corrosion-resistant of insulating layer, high temperature resistant, adhesion strength.
As the another embodiment of this case, wherein further include the perfluoro methyl vinyl ether of 0.5~2 parts by weight.Perfluoro-methyl
After vinyl ether co-polymer is in conjunction with polyethylene, the impact resistance and adhesion strength of insulating film can further improve.
As the another embodiment of this case, wherein further include the triphenyl phosphite of 0.5~2 parts by weight.By the way that phosphorous is added
The antioxygenic property of triphenyl phosphate ester improvement insulating film.
As the another embodiment of this case, wherein further include the 3- methacryloyloxypropyl methyl two of 3~5 parts by weight
Ethoxysilane.Contain Si, adaptation, the punching property of insulating film in 3- methacryloxypropyl methyl diethoxysilane
Have improvement largely.
As the another embodiment of this case, wherein further include the potassium ferrocyanide of 4~6 parts by weight.By being added into 4~6 weights
The potassium ferrocyanide for measuring part improves the punching performance of insulating film.
As the another embodiment of this case, wherein further include the ferrocene of 1~3 parts by weight.It is further by the way that ferrocene is added
Improve the punching performance of insulating film.
As the another embodiment of this case, wherein the number-average molecular weight of polycarbonate is 12000~16000.
Specific embodiment and comparative example is listed below:
Embodiment 1:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 40wt% high density polyethylene (HDPE) and 60wt% linear low density polyethylene；Lubricant includes 32wt%
Poly- perfluor isopropyl ether, 24wt% magnesium stearate and 44wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
12000。
Embodiment 2:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 42wt% high density polyethylene (HDPE) and 58wt% linear low density polyethylene；Lubricant includes 34wt%
Poly- perfluor isopropyl ether, 26wt% magnesium stearate and 40wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
15000。
Embodiment 3:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 45wt% high density polyethylene (HDPE) and 55wt% linear low density polyethylene；Lubricant includes 36wt%
Poly- perfluor isopropyl ether, 26wt% magnesium stearate and 38wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
16000。
Comparative example 1:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene is linear low density polyethylene；Lubricant includes poly- perfluor isopropyl ether, the 24wt% stearic acid of 32wt%
Magnesium and 44wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is 12000.
Comparative example 2:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 40wt% high density polyethylene (HDPE) and 60wt% linear low density polyethylene；Lubricant includes 32wt%
Poly- perfluor isopropyl ether, 24wt% magnesium stearate and 44wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
12000。
Comparative example 3:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 42wt% high density polyethylene (HDPE) and 58wt% linear low density polyethylene；Lubricant includes 34wt%
Poly- perfluor isopropyl ether, 26wt% magnesium stearate and 40wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
15000。
Comparative example 4:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 42wt% high density polyethylene (HDPE) and 58wt% linear low density polyethylene；Lubricant is that poly- perfluor is different
Propyl ether；The number-average molecular weight of polycarbonate is 15000.
Comparative example 5:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 45wt% high density polyethylene (HDPE) and 55wt% linear low density polyethylene；Lubricant includes 36wt%
Poly- perfluor isopropyl ether, 26wt% magnesium stearate and 38wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
16000。
Comparative example 6:
A kind of electromagnetic steel plate of high-insulativity, steel plate include: substrate and the insulating layer set on substrate two sides；By weight
Meter, insulating layer includes the material of following parts by weight:
Polyethylene includes 45wt% high density polyethylene (HDPE) and 55wt% linear low density polyethylene；Lubricant includes 36wt%
Poly- perfluor isopropyl ether, 26wt% magnesium stearate and 38wt% methyl trifluoro propyl silicone oil；The number-average molecular weight of polycarbonate is
16000。
(1) high temperature resistant is tested: the insulating film according to made of the formula materials of any of the above-described embodiment or comparative example is placed in
It is toasted 100 hours under 200 DEG C of environment, takes out natural cooling, if insulating film surface Non-carbonized, softening and hardening phenomenon, and without burning
Burnt peculiar smell, composite coating do not crack, then determine that the test result is " pass ", be otherwise " fail ".
(2) corrosion-resistant test: by the insulating film according to made of the formula materials of any of the above-described embodiment or comparative example, successively
It is tested as follows:
A) it places it in 5wt%NaOH aqueous solution and impregnates 100 hours, taking-up is dried；
B) it is placed in 5wt%HCl aqueous solution and impregnates 100 hours, taking-up is dried；
C) it is placed in 5wt%NaCl aqueous solution and impregnates 100 hours, taking-up is dried；
D) it is placed in 15~20wt% ethanol water and impregnates 100 hours, taking-up is dried；
After above 4 tests, if insulating film surface is appearance deformation, color declines, softens, hardening and aging, determine
The test result is " pass ", is otherwise " fail ".
(3) punching property test
It is punched for the electromagnetic steel plate with insulating film with 15mm Ф punching block, is until burr height reaches 50 μm
Only, it is evaluated with the punching number.Evaluation criteria is as follows, evaluation result is shown in table 1.
(determinating reference)
◎: 120 ten thousand times or more
Zero: 100 ten thousand time or more, 1,200,000 times less than
Zero-: 70 ten thousand times or more, 1,000,000 times less than
Δ: 300,000 times or more, 700,000 times less than
×: 300,000 times less than
(4) adaptation is tested
It, will be transparent after bending in Φ 10mm in the surface mount clear adhesive adhesive tape of the electromagnetic steel plate with insulating film
Jointing tape removing, the Restzustand for visually observing film are evaluated.Evaluation criteria is as follows, evaluation result is shown in table 1.Separately
Outside, shown in Fig. 1 comparative example 1~4, example 1~7 molar ratio (Fe/Si) and adaptation relationship.
(determinating reference)
◎: 90% or more residual rate；
Zero: 60% or more residual rate, 90% less than；
Δ: 30% or more residual rate, 60% less than；
×: residual rate 30% less than；
Table 1: the performance test results of embodiment and comparative example:
As it can be seen from table 1 the electromagnetic steel plate obtained according to the present invention, all have brilliant punching and adaptation and
Insulation performance.
The embodiments of the present invention are described in detail in conjunction with the embodiments above, but the present invention is not limited to described realities
Apply mode.For a person skilled in the art, in the case where not departing from the principle of the invention and spirit, to these embodiment party
Formula carries out a variety of change, modification, replacement and modification, still falls in protection scope of the present invention.
Claims (10)
1. a kind of electromagnetic steel plate of high-insulativity, which is characterized in that the steel plate includes: substrate and the insulation set on substrate two sides
Layer；By weight, the insulating layer includes the material of following parts by weight:
2. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that the polyethylene include 40~
45wt% high density polyethylene (HDPE) and 55~60wt% linear low density polyethylene.
3. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that the lubricant include 32~
Poly- perfluor isopropyl ether, 24~28wt% magnesium stearate and the 38~44wt% methyl trifluoro propyl silicone oil of 36wt%.
4. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include the nitridation of 1~3 parts by weight
Zirconium.
5. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include the complete of 0.5~2 parts by weight
Methyl fluoride vinyl ethers.
6. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include the Asia of 0.5~2 parts by weight
Triphenyl phosphate.
7. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include the 3- first of 3~5 parts by weight
Base acryloyloxy propyl methyl diethoxysilane.
8. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include the ferrous iron of 4~6 parts by weight
Potassium cyanide.
9. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that further include two cyclopentadienyls of 1~3 parts by weight
Iron.
10. the electromagnetic steel plate of high-insulativity according to claim 1, which is characterized in that the number of the polycarbonate is divided equally
Son amount is 12000~16000.
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| CN108359235A (en) * | 2018-02-05 | 2018-08-03 | 合肥峰腾节能科技有限公司 | A kind of New insulated composite material and preparation method |
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2019
- 2019-06-06 CN CN201910492388.4A patent/CN110216945A/en active Pending
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|---|---|---|---|---|
| CN1048554A (en) * | 1989-07-05 | 1991-01-16 | 新日本制铁株式会社 | The grain-oriented magnetic steel sheet and the insulating coating method of forming thereof |
| JPH11131250A (en) * | 1997-10-28 | 1999-05-18 | Nippon Steel Corp | Surface treating agent for non-oriented silicon steel sheet having excellent film characteristic and formation of film using the same |
| CN101351574B (en) * | 2005-12-28 | 2010-09-29 | 杰富意钢铁株式会社 | Electromagnetic steel sheet having insulating coating film and method for producing same |
| CN107429403A (en) * | 2015-04-07 | 2017-12-01 | 杰富意钢铁株式会社 | Electromagnetic steel plate with insulating film |
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Application publication date: 20190910 |