Claims
- 1. A treating solution consisting essentially of 100 parts by weight, calculated in terms of a solid, of at least one member selected from the group consisting of aluminum phosphate, calcium phosphate and zinc phosphate as an inorganic material, and, as an organic material, 1 to 300 parts by weight of a water-dispersible grain emulsion resin dispersed in water, said emulsion resin having a grain size of 0.3 to 3.0 .mu.m;
- wherein, when said phosphate used as said inorganic component is aluminum phosphate, the molar ratio of Al.sub.2 O.sub.3 /H.sub.3 PO.sub.4 is from 0.15 to 0.20, and when said phosphate is calcium phosphate or zinc phosphate, the molar ratio CaO/H.sub.3 PO.sub.4 or ZnO/H.sub.3 PO.sub.4 is from 0.40 to 0.60;
- wherein the pH of said coarse grain emulsion used as said organic component is from 4 to 10; and
- wherein a degree of cross-linkage of said coarse grain resin emulsion used as said organic component is from 0.4 to 8 mol % with respect to a cross-linkable monomer.
- 2. A treating solution according to claim 1 wherein said resin is acrylic resin.
- 3. A treating solution consisting essentially of 100 parts by weight, calculated in terms of a solid, of at least one member selected from the group consisting of aluminum phosphate, calcium phosphate and zinc phosphate and containing at least 50% of aluminum phosphate, as an inorganic material, and 1 to 20 parts by weight of at least one member selected from the group consisting of phosphoric acid, boric acid, borates and colloidal silica, and, as an organic component, 1 to 300 parts by weight of a water-dispersible grain emulsion resin dispersed in water, said emulsion resin having a grain size of 0.3 to 3.0 .mu.m;
- wherein, for said aluminum phosphate, the molar ratio of Al.sub.2 O.sub.3 /H.sub.3 PO.sub.4 is from 0.15 to 0.20, and when said phosphate is calcium phosphate or zinc phosphate, the molar ratio CaO/H.sub.3 PO.sub.4 or ZnO/H.sub.3 PO.sub.4 is from 0.40 to 0.60;
- wherein the pH of said coarse grain emulsion used as said organic component is from 4 to 10; and
- wherein a degree of cross-linkage of said coarse grain resin emulsion used as said organic component is from 0.4 to 8 mol % with respect to a cross-linkable monomer.
- 4. A treating solution according to claim 3 wherein said resin is acrylic resin.
- 5. A method for producing a non-oriented electrical steel sheet comprising a treating solution consisting essentially of, as an organic component, 1 to 300 parts by weight of a water dispersible grain emulsion resin dispersed in water, said emulsion resin having a grain size of 0.3 to 3.0 .mu.m, and 100 parts by weight, calculated in terms of a solid, of at least one member selected from the group consisting of aluminum phosphate, calcium phosphate and zinc phosphate as an inorganic component is uniformly coated on a surface of a non-oriented electrical steel sheet, and is then baked at 200 to 500.degree. C.;
- wherein, when said phosphate used as said inorganic component is aluminum phosphate, the molar ratio of Al.sub.2 O.sub.3 /H.sub.3 PO.sub.4 is from 0.15 to 0.20, and when said phosphate is calcium phosphate or zinc phosphate, the molar ratio CaO/H.sub.3 PO.sub.4 or ZnO/H.sub.3 PO.sub.4 is from 0.40 to 0.60;
- wherein the pH of said coarse grain emulsion used as said organic component is from 4 to 10; and
- wherein a degree of cross-linkage of said coarse grain resin emulsion used as said organic component is from 0.4 to 8 mol % with respect to a cross-linkable monomer.
- 6. A method according to claim 5 wherein said resin is acrylic resin.
- 7. A method of producing a non-oriented electrical steel sheet comprising a treating solution consisting essentially of, as an organic component, 1 to 300 parts by weight of a water-dispersible grain emulsion resin dispersed in water, said emulsion resin having a grain size of 0.3 to 3.0 .mu.m, and 100 parts by weight, calculated in terms of a solid, of at least one member selected from the group consisting of aluminum phosphate, calcium phosphate and zinc phosphate, and 1 to 20 parts by weight of at least one member selected from the group consisting of phosphoric acid, boric acid, borates and colloidal silica, as an inorganic component, is uniformly coated on a surface of a non-oriented electrical steel sheet, and is then baked at 200 to 500.degree. C.;
- wherein, when said phosphate used as said inorganic component is aluminum phosphate, the molar ratio of Al.sub.2 O.sub.3 /H.sub.3 PO.sub.4 is from 0.15 to 0.20, and when said phosphate is calcium phosphate or zinc phosphate, the molar ratio CaO/H.sub.3 PO.sub.4 or ZnO/H.sub.3 PO.sub.4 is from 0.40 to 0.60;
- wherein the pH of said coarse grain emulsion used as said organic component is from 4 to 10; and
- wherein a degree of cross-linkage of said coarse grain resin emulsion used as said organic component is from 0.4 to 8 mol % with respect to a cross-linkable monomer.
- 8. A method according to claim 7 wherein said grain emulsion comprises a resin and said resin is acrylic resin.
Priority Claims (2)
Number |
Date |
Country |
Kind |
5-120267 |
May 1993 |
JPX |
|
5-184205 |
Jul 1993 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 08/225,207 filed Apr. 8, 1994 now abandoned.
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Continuations (1)
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Number |
Date |
Country |
Parent |
225207 |
Apr 1994 |
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