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1. 发明专利

JP2002256207A POWDER COATING COMPOSITION FOR INNER SURFACE OF WATER PIPE 失效
公开(公告)号：JP2002256207A
公开(公告)日：2002-09-11
申请号：JP2001056900
申请日：2001-03-01
申请人： KURIMOTO LTD , DAINIPPON INK & CHEMICALS , DAINIPPON TORYO KK
发明人： DEGUCHI TAKAAKI , SAITO MASAHIKO , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MIYAZAWA MASASHI , YAMAZAKI TETSUYA , MASUDA SHO , IKEDA TOSHIKAZU , NAKAI SUSUMU
IPC分类号： F16L58/04 , C09D5/03 , C09D163/00
摘要： PROBLEM TO BE SOLVED: To provide a powder coating composition not containing chlorine and hardly causing the deterioration of coating properties with time. SOLUTION: This powder coating composition for the inner surface of a water pipe is characterized in that the composition comprises 100 pts.wt. epoxy resin having 500-2,000 g/eq. epoxy equivalent, a 6-20C alkyldicarboxylic anhydride as a curing agent in an amount of 0.7-1.3 times as much as the glycidyl equivalent of the epoxy resin expressed in terms of the equivalent, 0.1-9.5 pts.wt. quaternary ammonium halide, and 10-130 pts.wt. pigment component.

2. 发明专利

JP2002256206A POWDER COATING COMPOSITION FOR INNER SURFACE OF WATER PIPE 失效
公开(公告)号：JP2002256206A
公开(公告)日：2002-09-11
申请号：JP2001056899
申请日：2001-03-01
申请人： KURIMOTO LTD , DAINIPPON INK & CHEMICALS , DAINIPPON TORYO KK
发明人： DEGUCHI TAKAAKI , SAITO MASAHIKO , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MIYAZAWA MASASHI , YAMAZAKI TETSUYA , MASUDA SHO , IKEDA TOSHIKAZU , NAKAI SUSUMU
IPC分类号： F16L58/10 , C09D5/03 , C09D163/00 , F16L9/04
摘要： PROBLEM TO BE SOLVED: To provide a powder coating composition not containing chlorine and hardly deteriorating of coating properties with time. SOLUTION: This powder coating composition for the inner surface of a water pipe is characterized in that the composition comprises 100 pts.wt. epoxy resin having 500-2,000 g/eq. epoxy equivalent, a 6-20C aliphatic dicarboxylic anhydride as a curing agent in an amount of 0.7-1.3 times as much as the glycidyl equivalent of the epoxy resin expressed in terms of the equivalent, 0.1-9.5 pts.wt. triphenylphosphine or phosphorus-based compound, and 10-130 pts.wt. pigment component.

3. 发明专利

JP2001279472A METHOD FOR INHIBITING CORROSION IN CAST IRON TUBE 失效
公开(公告)号：JP2001279472A
公开(公告)日：2001-10-10
申请号：JP2000093302
申请日：2000-03-30
申请人： DAINIPPON TORYO KK , KURIMOTO LTD
发明人： SAITO MASAHIKO , DEGUCHI TAKAAKI , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , YAMADA YOSHIO , TAME SHINICHIRO
IPC分类号： F16L58/04 , B05D7/14 , B05D7/24 , C09D5/02 , C09D5/08 , C09D133/06 , C09D163/00 , C23C4/08 , C23C26/00 , C23C28/00
摘要： PROBLEM TO BE SOLVED: To provide a method for inhibiting corrosion in a cast iron tube using a coating material capable of coating even on white rust generated in case of temporarily storage in air and on white rust generated in steam curing. SOLUTION: (1) The outside of a cast iron tube is heat sprayed with zinc, a zinc aluminum prealloy or a zinc aluminum alloy to form a coating layer, (2) the outside of the coated tube is coated with two portion type aqueous epoxy emulsion coating material with a solid content of >=5 wt.%, composed of the epoxy resin having an epoxy equivalent of 475 to 1,800 and an amine curing agent having an active hydrogen equivalent (solid content) of 160 to 600 to form an epoxy resin coating, and (3) the surface of the epoxy resin coating is further coated with an acrylic emulsion coating material with a solid content of >=15 wt.% to form an acrylic resin coating.

4. 发明专利

JP2000273391A COATING MATERIAL FOR TREATING END FACE OF JOINT OF CAST IRON PIPE 失效
公开(公告)号：JP2000273391A
公开(公告)日：2000-10-03
申请号：JP8346399
申请日：1999-03-26
申请人： KURIMOTO LTD , DAINIPPON TORYO KK
发明人： AOKI NOBUO , SAITO MASAHIKO , MICHIURA YOSHISADA , TAME SHINICHIRO , YAMADA YOSHIO
IPC分类号： F16L9/02 , B05D7/14 , B05D7/24 , B28B21/94 , C09D5/08 , C09D163/00 , F16L58/06 , F16L58/10
摘要： PROBLEM TO BE SOLVED: To obtain a coating material which forms a coating film excellent in adhesion to cast iron and mortar by compounding an epoxy resin which is liquid at a normal temperature and has a specified number of epoxy groups and a specified epoxy equivalent with an amine-base curative, a diluent and a body pigment. SOLUTION: This coating material comprises an epoxy resin (e.g. a bisphenol epoxy resin) which is liquid at normal temperature and has an epoxy equivalent of 170-250 and, on average, at least 1.5 epoxy groups per molecule, an amine- base curative (e.g. a modified m-xylenediamine-type curative) preferably having an active hydrogen equivalent of 90-100, a diluent (e.g. a toluene resin as a nonreactive diluent resin) and a body pigment (e.g. barium sulfate). A cast iron pipe is coated after the end face of its joint is coated with this coating material. This coating material is quickly cured to quickly develop its strengths and gives a coating film having high strengths and adhering well to a cast iron pipe and a mortar lining, thus giving excellent water-stopping properties to the end face of the pipe.

5. 发明专利

JP2000219825A POWDER COATING MATERIAL COMPOSITION 失效
公开(公告)号：JP2000219825A
公开(公告)日：2000-08-08
申请号：JP2400199
申请日：1999-02-01
申请人： KURIMOTO LTD , DAINIPPON TORYO KK
发明人： MICHIURA YOSHISADA , SAITO MASAHIKO , DEGUCHI TAKAAKI , HANANO KAZUHITO , MASUDA SHO , NAGAO TETSUO , IKEDA TOSHIKAZU , NAKAI SUSUMU
IPC分类号： C09D5/03 , C09D163/00 , C09D183/04
摘要： PROBLEM TO BE SOLVED: To obtain a powder coating material composition without causing the deterioration of adhesive strength due to permeation of water to a substrate- coating film interface. SOLUTION: This composition contains 100 pts.wt. powder coating material of a bisphenol type epoxy resin, e.g. a bisphenol A type or a bisphenol F type and 1-200 pts.wt. of a silicone resin having monomethylpolysiloxane as a main skeleton.

6. 发明专利

JPH11323201A POWDER COATING COMPOSITION FOR INNER SURFACE OF CAST IRON PIPE 失效
公开(公告)号：JPH11323201A
公开(公告)日：1999-11-26
申请号：JP13216598
申请日：1998-05-14
申请人： KURIMOTO LTD , DAINIPPON TORYO KK
发明人： MICHIURA YOSHISADA , SAITO MASAHIKO , DEGUCHI TAKAAKI , HANANO KAZUHITO , MASUDA SHO , IKEDA TOSHIKAZU , NAGAO TETSUO , NAKAI SUSUMU
IPC分类号： C09D5/03 , C09D123/00 , C09D163/00
摘要： PROBLEM TO BE SOLVED: To obtain the subject composition, giving a coating film excellent, e.g. in flexibility and resistance to impact, by blending a powder coating composition of epoxy resin with a polyolefin resin or modification thereof to produce the powder coating material. SOLUTION: This composition comprises compounding (A) 100 pts.wt. of a powder coating composition of epoxy resin and (B) 10 to 100 pts.wt. of a polyolefin resin or modification thereof having a number-average molecular weight of 3,000 to 20,000. The component A contains a hardening agent, pigment, additive and the like, in addition to the epoxy resin. The component B may be a homopolymer or copolymer of 2-6C olefin. This composition can be obtained by mixing the components A and B at normal temperature, kneading the mixture by a kneader for powder coating, crushing the produced pellets and adjusting particle size distribution of the powder to a desired level. Thus, a 2-layered structure of epoxy and polyolefin resin layers is performed by a coating film forming process comprising one-coating and one-baking step.

7. 发明专利

JP2002265859A POWDER COATING COMPOSITION FOR CAST IRON PIPE 失效
公开(公告)号：JP2002265859A
公开(公告)日：2002-09-18
申请号：JP2001065161
申请日：2001-03-08
申请人： KURIMOTO LTD , DAINIPPON TORYO KK , DAINIPPON INK & CHEMICALS
发明人： DEGUCHI TAKAAKI , SAITO MASAHIKO , KAJIWARA YOSHIHISA , MICHIURA YOSHISADA , KITAGAWA MASAYOSHI , MASUDA SHO , NAKAI SUSUMU , NAGAO TETSUO , IKEDA TOSHIKAZU , MIYAZAWA MASASHI , YAMAZAKI TETSUYA
IPC分类号： F16L58/10 , C09D5/03 , C09D161/16 , C09D163/02
摘要： PROBLEM TO BE SOLVED: To provide a powder coating material for a cast iron pipe, composed of an epoxy resin, enabling low-temperature baking and having excellent curability, coating film properties and storage stability. SOLUTION: The powder coating composition for cast iron pipe contains a solid bisphenol epoxy resin, a curing agent and a filler as essential components. The solid epoxy resin is produced by reacting a bisphenol F epoxy resin with a polycondensation product of a phenol having a binuclear component content of >=90 wt.% and a ketone compound, the epoxy equivalent of the solid epoxy resin is 500-2,500 g/eq and the bonding site of the carbon atom originated from the ketone group on the aromatic ring relative to the phenyl ether group satisfies the relationship of (ortho, ortho)/(para, para)=0.01 to 0.50.

8. 发明专利

JP2000273660A METHOD FOR PREVENTING CORROSION IN CAST ION TUBE 失效
公开(公告)号：JP2000273660A
公开(公告)日：2000-10-03
申请号：JP8352099
申请日：1999-03-26
申请人： KURIMOTO LTD , DAINIPPON TORYO KK
发明人： SAITO MASAHIKO , SUGIMURA SEIJI , MICHIURA YOSHISADA , NISHIJIMA TADAHIKO , TAME SHINICHIRO
IPC分类号： C09D5/08 , C23C4/08 , C23C28/00 , C23F11/00 , C23F15/00 , F16L58/02
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing corrosion in a lightweight cast iron tube excellent in durability, also in which a primer at the outside face of the cast iron tube is not deteriorated by preheating at the time of subjecting the inside face to powder coating material coating and white rust is hard to be generated. SOLUTION: This method contains a stage (A) in which the outside face of a cast iron tube is thermally sprayed with a zinc, a zinc-aluminum pseudo alloy or a zinc- aluminum alloy to form a thermally sprayed coating layer, a stage (B) in which the surface of the sprayed coating layer is coated with a primer composed f an acrylic resin having 20 to 80 (mgKOH) solid content acid value, in which the number average molecular weight by a gel permeation chromatograph lies in the range of 8000 to 50000, and which contains the acrylic resin in the ratio of >=80 wt.% expressed in terms of the solid content to form a primer layer, a stage (C) in which, while the cast iron tube is preheated, in the process of the preheating stage, the inside face of the case iron tube is coated with an epoxy resin powder coating material, and the epoxy resin powder coating material is hardened by the preheating to form a powder coating film layer, and a stage (D) in which the surface of the primer layer is coated with a finish coating film material to form a finish coating film layer.

9. 发明专利

JP2006045044A Filler 有权
标题翻译：填料
公开(公告)号：JP2006045044A
公开(公告)日：2006-02-16
申请号：JP2005034187
申请日：2005-02-10
申请人： Kurimoto Ltd , Tokyo Metropolis , 東京都 , 株式会社栗本鐵工所
发明人： TSUSHIMA ICHIRO , SAITO MASAHIKO , AKAGI YOJI , KOMURO YASUHIRO , KITAGAWA MASAYOSHI
IPC分类号： C04B28/02 , C04B14/10 , C04B18/30 , C04B22/04 , C04B24/18 , C04B111/70 , E21D9/06 , E21D11/00 , F16L1/00
CPC分类号： Y02W30/91
摘要： PROBLEM TO BE SOLVED: To obtain a filler having high fluidity while contriving the effective utilization of the earth generated in water purification.
SOLUTION: In the filler, total weight of the earth generated in water purification and monmorillonite as a water-retaining agent : 0.05-5.0, metal powder as a foaming agent : 0.00005-0.001, ligninsulfonate as a fluidizing agent : 0.0015-0.05 and water 1.0-10.0 are mixed to cement : 1 by weight. A bleeding problem is solved by capturing an incremental amount of moisture by mixing the water-retaining agent. Fluidity is improved by dispersing the cement and the foaming agent or the like by mixing the fluidizing agent. A filler layer having many shape-retaining void layers is obtained by the foaming agent. When the void of the filler layer is increased, mechanical strength such as compression is deteriorated. When compressive strength is 0.1-1.0 N/mm
2 by adjusting a mixing ratio of the water-retaining agent or the like, the expansion and contraction of a fitting due to the generation of an earthquake are smoothly performed, and when the compressive strength is 1.0-2.0 N/mm
2 , the filler the same as a conventional one is obtained.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得具有高流动性的填料，同时谋求在水净化中产生的地球的有效利用。解决方案：在填料中，作为保水剂的水净化和蒙脱石中产生的地球总重量：0.05-5.0，作为发泡剂的金属粉末：0.00005-0.001，作为流化剂的木质素磺酸盐：0.0015- 0.05和水1.0-10.0混合到水泥中：1重量份。通过混合保水剂捕获增加量的水分来解决出血问题。通过混合流化剂分散水泥和发泡剂等来提高流动性。通过发泡剂获得具有许多形状保持空隙层的填料层。当填充层的空隙增加时，诸如压缩的机械强度劣化。当通过调节保水剂等的混合比来压缩强度为0.1-1.0N / mm 2 时，能够平稳地进行由于地震的产生引起的配件的膨胀和收缩，当抗压强度为1.0-2.0N / mm 2 时，获得与常规填料相同的填料。版权所有（C）2006，JPO＆NCIPI

10. 发明专利

JP2004300521A Method for constituting passage for aqueous paint 审中-公开
公开(公告)号：JP2004300521A
公开(公告)日：2004-10-28
申请号：JP2003094992
申请日：2003-03-31
申请人： Kurimoto Ltd , 株式会社栗本鐵工所
发明人： SAITO MASAHIKO , DEGUCHI TAKAAKI , MICHIURA YOSHISADA , SHIMOMURA JUN
IPC分类号： F16L58/00 , B05B15/00 , B05D3/00 , C23F13/00
摘要： PROBLEM TO BE SOLVED: To prevent occurrence of solidification or clogging of paint by electric deposition.
SOLUTION: An aqueous paint coating device is constituted by using combination of materials to hardly generate electric potential difference for a connection part of a metal pipe for paint to a joint to be used for the aqueous paint coating device, and using combination of metallic materials of noble electric potential. Therefore, solidification or clogging of the paint caused by the electric deposition phenomenon at the connection part of the metal pipe for paint to the joint in the paint passage in which the paint stays for a long time can be prevented. In addition, consistent coating can be performed by cleaning and refilling the paint only in a part of the coating passage.
COPYRIGHT: (C)2005,JPO&NCIPI

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