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21. 发明专利

DE3509504A1 未知
公开(公告)号：DE3509504A1
公开(公告)日：1985-10-10
申请号：DE3509504
申请日：1985-03-16
申请人： NIHON PARKERIZING , DAIDO STEEL SHEET CORP
发明人： FUJII HARUKI , IKADA SHOJI , FUKUDA AKIMITSU , OKUMURA YASUO
IPC分类号： B05D7/14 , B32B15/08 , C09D5/08 , C23C22/28 , C23C22/68 , C23F15/00
摘要： A coating process for aluminum-zinc alloy plated sheet steel provides an article having a surface of improved formability and enhanced corrosion resistance; appearance and paintability. The coating is applied in aqueous form at a prescribed pH value and dried. The aqueous coating contains a water dispersible or water soluble resin and hexavalent chromium in desired proportions.

22. 发明专利

GB2155814A COATING OF PLATED STEEL SURFACES 未知
公开(公告)号：GB2155814A
公开(公告)日：1985-10-02
申请号：GB8507365
申请日：1985-03-21
申请人： NIHON PARKERIZING , DAIDO STEEL SHEET CORP
发明人： IKADA SHOJI , FUKUDA AKIMITSU , OKUMURA YASUO , FUJII HARUKI
IPC分类号： B05D7/14 , B32B15/08 , C09D5/08 , C23C22/28 , C23C22/68 , B05D5/00
摘要： A coating process for aluminum-zinc alloy plated sheet steel provides an article having a surface of improved formability and enhanced corrosion resistance; appearance and paintability. The coating is applied in aqueous form at a prescribed pH value and dried. The aqueous coating contains a water dispersible or water soluble resin and hexavalent chromium in desired proportions.

23. 发明专利

GB2152955A Phosphate treatment of zinc-aluminium plated materials 未知
公开(公告)号：GB2152955A
公开(公告)日：1985-08-14
申请号：GB8501457
申请日：1985-01-21
申请人： NIHON PARKERIZING
发明人： TSUCHIYA YUTAKA , FUKUDA AKIMITSU
IPC分类号： C23C22/78
摘要： The plated material is treated beforehand with an alkaline aqueous solution with a pH of 11 or more which contains ions of one or more of the metals selected from the group consisting of nickel, iron, cobalt and manganese and a complexing agent to an amount sufficient to dissolve said metal ions. The treatment removes segregated and concentrated aluminium at the plated material surface, which would otherwise tend to prevent phosphate formation.

24. 发明专利

JPH02118099A ELECTROLYTIC CHROMATING BATH FOR METAL PLATED STEEL SHEET 失效
公开(公告)号：JPH02118099A
公开(公告)日：1990-05-02
申请号：JP26825188
申请日：1988-10-26
申请人： NIPPON STEEL CORP , NIHON PARKERIZING
发明人： HIGUCHI YUKINOBU , ASAKAWA KENICHI , NAKANO HIROBUMI , FUKUDA AKIMITSU , TERADA HARUMI , ONO YOJI
IPC分类号： C25D11/38
摘要： PURPOSE:To produce a plated steel sheet having superior resistance to corrosion by neutral salt spray test and superior coatability by adjusting a soln. contg. specified amts. of CrO3, SiO2, H2ZrF6, H2SO4 and F to a specified pH and by using the resulting electrolytic chromating bath for a plated steel sheet. CONSTITUTION:A soln. contg. 10-60g/l CrO3, 1-20g/l SiO2, 0.5-10g/l H2ZrF6, 0.1-2g/l H2SO4 and 0.1-3g/l F is adjusted to pH2.0-3.2 to prepare an electrolytic chromating bath for a metal plated steel sheet. By using this chromating bath, a plated steel sheet having superior resistance to corrosion by neutral salt spray test and superior coatability can be produced.

25. 发明专利

JPS62263997A SURFACE-TREATMENT OF STEEL SHEET SURFACE-TREATED WITH METAL 失效
公开(公告)号：JPS62263997A
公开(公告)日：1987-11-16
申请号：JP10789786
申请日：1986-05-12
申请人： NIPPON STEEL CORP , NIHON PARKERIZING
发明人： HIGUCHI YUKINOBU , MARUTA AKINORI , ASAKAWA KENICHI , FUKUDA AKIMITSU , TERADA HARUMI , ONO YOJI
IPC分类号： C25D11/34 , C25D11/38
摘要： PURPOSE:To stably form a film having fine appearance, superior corrosion resistance and paintability by cathodically electrolyzing a steel sheet surface- treated with a metal in a chromating soln. to form a chromate film and by anodically electrolyzing the steel sheet at once. CONSTITUTION:A steel sheet surface-treated with a metal such as a galvanized steel sheet is cathodically electrolyzed in a chromating soln. to form a chromate film. The steel sheet is anodically electrolyzed at once to modify the chromate film as well as to form a new film. A soln. prepd. by adding Cr , PO4 , a fluorine compound, silica and a silicate to a conventional electrolytic soln. for cathodic electrolysis is suitable for use as the chromating soln. The anodic electrolysis is carried out at about 1-50A/dm current density and ordinary temp. - about 80 deg.C with about 0.1-30C/dm electricity.

26. 发明专利

JPS6220880A SURFACE TREATMENT OF ZINC-ALUMINUM ALLOY PLATED STEEL SHEET 失效
公开(公告)号：JPS6220880A
公开(公告)日：1987-01-29
申请号：JP15801685
申请日：1985-07-19
申请人： NIHON PARKERIZING
发明人： FUKUDA AKIMITSU , TSUCHIYA YUTAKA , OOYAMA KAZUYUKI
IPC分类号： C23C22/24 , C23C22/30 , C23C22/60 , C23C22/78
摘要： PURPOSE:To produce the titled steel sheet with an improved outdoor exposure property by treating a steel sheet plated with a Zn-Al alloy having a specified content of Al with an alkaline soln. at specified pH contg. a complexing agent, coating an aq. chromate soln. contg. silica and painting after drying. CONSTITUTION:A steel sheet plated with a Zn-Al alloy contg. 1-70wt% Al is treated at about 50-80 deg.C for 4-10sec with an aq. alkaline soln. at >=11 pH contg., expressed in terms of metal, 0.01-10g/l of one or >=2 kinds metallic ions selected from a group of Ni, Fe, Co and Mn and 0.1-20g/l complexing agent. Then an aq. chromate soln. contg. silica is coated and dried and painting is carried out. At this time, chromate ions and/or trivalent chrominum ions are preferably incorporated into the aq. chromate soln., the coating amt. is regulated to 10-400mg/m , the weight ratio of silica/hexavalent Cr ion is controlled to 0.6-15, the weight ratio of trivalent Cr ion/hexavalent Cr ion is adjusted to 0.2-1 and the weight ratio of phosphoric ion/hexavalent Cr ion is regulated to 0.6-3.

27. 发明专利

JPS62270781A CHROMATING LIQUID FOR ZINC OR ZINC ALLOY PLATED STEEL SHEET, COLD ROLLED STEEL SHEET AND STAINLESS STEEL SHEET AND CHROMATING METHOD 失效
公开(公告)号：JPS62270781A
公开(公告)日：1987-11-25
申请号：JP11374386
申请日：1986-05-20
申请人： NIHON PARKERIZING
发明人： OOYAMA KAZUYUKI , MOTOSAWA MASAHIRO , FUKUDA AKIMITSU , TAKADA AKITO , YASHIRO KUNIHARU , KAWASAKI IWAO , ZEIDA SHIGEKI
IPC分类号： C23C22/30 , C23C22/33
摘要： PURPOSE:To form a chromate film having superior boiling water and scratch resistances after painting on the surface of a Zn or Zn alloy plated steel sheet, a cold rolled steel sheet or a stainless steel sheet by applying a chromating liq. contg. sexi- and tervalent Cr ions, PO4 ions and fine silica powder to the surface of the steel sheet. CONSTITUTION:A chromating liq. contg. powdery silica of 30-150mum primary or secondary average particle size, sexi- and tervalent Cr ions and PO4 ions in 5/1-1/1 weight ratio of sexivalent Cr ions to tervalent Cr ions, 1/2-6/1 weight ratio of powdery silica to sexi- and tervalent Cr ions and 1/15-2/1 weight ratio of PO4 ions to sexi- and tervalent Cr ions is applied to the surface of a hot dip galvanized steel sheet, a Zn alloy plated steel sheet, a cold rolled steel sheet or a stainless steel sheet by 20-200mg/m and the steel sheet is dried without carrying out washing. The amount of metallic ions transferred from the steel sheet to be treated to the chromating liq. by leaching is reduced to

28. 发明专利

JPS62253775A METHOD FOR ACCELERATING FORMATION OF PATINA FILM AND TREATING LIQUID 失效
公开(公告)号：JPS62253775A
公开(公告)日：1987-11-05
申请号：JP9626486
申请日：1986-04-25
申请人： NIHON PARKERIZING
发明人： OOYAMA KAZUYUKI , TSUCHIYA YUTAKA , FUKUDA AKIMITSU
IPC分类号： C23C22/68 , C23C22/63
摘要： PURPOSE:To acceleratedly form a patina film having fine appearance and superior adhesion by coating the surface of copper with a treating liq. contg. an aqueous resin, a compound forming a complex salt with a copper ion, a compound causing a chelate bond to a copper ion, an alkali metallic salt and silica and by spraying water on the coated surface. CONSTITUTION:A treating liq. is prepd. by adding 10-300g/l (expressed in terms of solid matter) aqueous resin such as acrylic resin composition, 40-500g/l in total of a compound forming a complex salt with a copper ion, e.g., NH4OH, a compound causing a chelate bond to a copper ion, e.g., EDTA and an alkali metallic salt such as NaCl and 5-40g/l silica. The clean surface of copper or a copper alloy is coated with the treating liq. by 5-30g/m (expressed in terms of a dry film) and the coated surface is forcedly dried. Water and/or steam is then sprayed on the coated surface in an atmosphere at ordinary temp.-80 deg.C at 1-12ml/m /min rate for 5-120min. The coated surface may be exposed to an atmosphere at ordinary temp.-80 deg.C and >=90% relative humidity for 30-120min. Thus, the coated surface is allowed to uniformly develop a bluish green color in a relatively short time and finally the surface is dried.

29. 发明专利

JPS62253774A METHOD FOR ACCELERATING FORMATION OF PATINA FILM 失效
公开(公告)号：JPS62253774A
公开(公告)日：1987-11-05
申请号：JP9626386
申请日：1986-04-25
申请人： NIHON PARKERIZING
发明人： TSUCHIYA YUTAKA , OOYAMA KAZUYUKI , FUKUDA AKIMITSU
IPC分类号： C23C22/68 , C23C22/63
摘要： PURPOSE:To acceleratedly form a bluish green film having fine appearance and superior adhesion by coating the surface of copper with a treating liq. contg. an aqueous resin, a compound forming a complex salt with a copper ion and a compound causing a chelate bond to a copper ion, drying the coated surface and spraying water or steam on the surface. CONSTITUTION:An aqueous soln. or suspension contg. 10-300g/l, preferably 50-300g/l aqueous resin such as acrylic resin composition and 20-500g/l, preferably 50-400g/l in total of a compound forming a complex salt with a copper ion, e.g., NH4OH and a compound causing a chelate bond to a copper ion, e.g. EDTA is used as a treating liq. The clean surface of copper or a copper alloy is coated with the treating liq. by 5-30g/m (expressed in terms of a dry film) and the coated surface is forcedly dried. Water and/or steam is then sprayed on the coated surface in an atmosphere at ordinary temp.-80 deg.C at 1-12ml/m /min rate for 5-60min to develop a bluish green color. The coated surface may be exposed to an atmosphere at ordinary temp.-80 deg.C, preferably 30-60 deg.C and >=90% relative humidity for 30-120min. Finally the surface is dried.

30. 发明专利

JPH04259384A SURFACE FILM HARDENING TREATMENT OF STAINLESS STEEL 失效
公开(公告)号：JPH04259384A
公开(公告)日：1992-09-14
申请号：JP3922991
申请日：1991-02-08
申请人： NIHON PARKERIZING
发明人： NAKAGAWA HIROYOSHI , FUKUDA AKIMITSU
IPC分类号： C04B37/02 , C23C24/00 , C23C24/08
摘要： PURPOSE:To obtain a coated film having excellent wear resistance and flaw resistance by coloring a stainless steel material, then baking a water glass ceramic coating material thereto. CONSTITUTION:The stainless steel material is colored by an oxidation color development treatment. The water glass ceramic coating material is thereafter applied thereon and is baked. The water glass ceramic coating material consists essentially of alkali silicate an superfine particulate silica. The baking temp. is specified to 150 to 250 deg.C. The water glass ceramic coating material is prepd. as a transparent inorg. coating material formed by adding water at 100 to 600 pts.wt. to the resulted product of dissolution by heating of 100 pts.wt. alkali silicate and 5 to 100 pts.wt. supefine particulate silica. The thickness of the cured and coated film to be formed by applying the water glass ceramic coating material is specified to 1 to 5mum. The film to which stains hardly stick is obtd.

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