CA1069805A - Electrically insulating coatings - Google Patents
Electrically insulating coatingsInfo
- Publication number
- CA1069805A CA1069805A CA244,667A CA244667A CA1069805A CA 1069805 A CA1069805 A CA 1069805A CA 244667 A CA244667 A CA 244667A CA 1069805 A CA1069805 A CA 1069805A
- Authority
- CA
- Canada
- Prior art keywords
- alkali metal
- silicate
- sodium
- metal salt
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 29
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 23
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 23
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 15
- -1 alkali metal salt Chemical class 0.000 claims abstract description 15
- 229910000323 aluminium silicate Inorganic materials 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 239000002184 metal Substances 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 8
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 7
- 239000010452 phosphate Substances 0.000 claims abstract description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 6
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 claims abstract 7
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract 3
- 238000004519 manufacturing process Methods 0.000 claims abstract 2
- 239000002002 slurry Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 16
- 239000004115 Sodium Silicate Substances 0.000 claims description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 12
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- 239000011734 sodium Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000008119 colloidal silica Substances 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 229910021538 borax Inorganic materials 0.000 claims 2
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical group [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 claims 2
- 235000010339 sodium tetraborate Nutrition 0.000 claims 2
- 239000004328 sodium tetraborate Substances 0.000 claims 2
- 229910000318 alkali metal phosphate Inorganic materials 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 229910052914 metal silicate Inorganic materials 0.000 claims 1
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 9
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000003475 lamination Methods 0.000 description 8
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 7
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 6
- 235000021317 phosphate Nutrition 0.000 description 5
- 238000000137 annealing Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
- 150000002222 fluorine compounds Chemical class 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 3
- 150000001642 boronic acid derivatives Chemical class 0.000 description 3
- GDTSJMKGXGJFGQ-UHFFFAOYSA-N 3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B([O-])OB2OB([O-])OB1O2 GDTSJMKGXGJFGQ-UHFFFAOYSA-N 0.000 description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical compound F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229940037003 alum Drugs 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 235000012216 bentonite Nutrition 0.000 description 2
- 229940092782 bentonite Drugs 0.000 description 2
- 229910000278 bentonite Inorganic materials 0.000 description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229940001496 tribasic sodium phosphate Drugs 0.000 description 2
- 206010059837 Adhesion Diseases 0.000 description 1
- 102000006835 Lamins Human genes 0.000 description 1
- 108010047294 Lamins Proteins 0.000 description 1
- 241000282337 Nasua nasua Species 0.000 description 1
- 241000183024 Populus tremula Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910001618 alkaline earth metal fluoride Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 230000001609 comparable effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000005053 lamin Anatomy 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000000441 potassium aluminium silicate Substances 0.000 description 1
- 235000012219 potassium aluminium silicate Nutrition 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/025—Other inorganic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/16—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
- H01F1/18—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets with insulating coating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Multimedia (AREA)
- Inorganic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Inorganic Insulating Materials (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4113/75A GB1537824A (en) | 1975-01-30 | 1975-01-30 | Electrically insulating coatings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069805A true CA1069805A (en) | 1980-01-15 |
Family
ID=9771024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA244,667A Expired CA1069805A (en) | 1975-01-30 | 1976-01-26 | Electrically insulating coatings |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5422937B2 (ja) * | 2008-08-05 | 2014-02-19 | 新日鐵住金株式会社 | 方向性電磁鋼板に用いる絶縁皮膜塗布液及び絶縁皮膜形成方法 |
| JP5320898B2 (ja) * | 2008-08-08 | 2013-10-23 | 新日鐵住金株式会社 | 方向性電磁鋼板に用いる絶縁皮膜塗布液及び絶縁皮膜形成方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB300911A (en) * | 1927-11-19 | 1930-01-30 | Ass Elect Ind | Improvements relating to the manufacture of insulated plates of magnetic material for electrical purposes |
| US2785091A (en) * | 1953-10-23 | 1957-03-12 | Jack F Govan | Method of protecting metal surfaces, composition therefor, and article resulting therefrom |
| DE1906912A1 (de) * | 1969-02-12 | 1970-09-03 | Mineralchemie Werner & Co | Mittel zur Erzeugung von Schichten auf Metalloberflaechen zum Schutz gegen Oxydation und Zunderbildung |
-
1975
- 1975-01-30 GB GB4113/75A patent/GB1537824A/en not_active Expired
-
1976
- 1976-01-22 AU AU10489/76A patent/AU504118B2/en not_active Expired
- 1976-01-26 CA CA244,667A patent/CA1069805A/en not_active Expired
- 1976-01-28 DE DE19762603179 patent/DE2603179A1/de not_active Withdrawn
- 1976-01-28 BE BE163882A patent/BE838007A/xx unknown
- 1976-01-29 SE SE7600934A patent/SE7600934L/xx unknown
- 1976-01-29 FR FR7602428A patent/FR2299708A1/fr not_active Withdrawn
- 1976-01-30 IT IT67218/76A patent/IT1057100B/it active
- 1976-01-30 JP JP51008550A patent/JPS51101899A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51101899A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-09-08 |
| AU1048976A (en) | 1977-07-28 |
| AU504118B2 (en) | 1979-10-04 |
| BE838007A (fr) | 1976-05-14 |
| DE2603179A1 (de) | 1976-08-05 |
| FR2299708A1 (fr) | 1976-08-27 |
| GB1537824A (en) | 1979-01-10 |
| SE7600934L (sv) | 1976-08-02 |
| IT1057100B (it) | 1982-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |