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公开(公告)号：US4443496A
公开(公告)日：1984-04-17
申请号：US400820
申请日：1982-07-22
IPC分类号： C04B28/24 , B05D7/00 , C04B24/22 , C04B40/00 , C04B41/50 , C04B41/65 , C04B41/68 , C09D1/04 , C04B31/00 , B05C1/16 , B32B35/00
CPC分类号： C04B41/009 , C04B41/5089 , C04B41/68
摘要： An agent and method for modifying a surface layer of hardened cement structures or substrates with use of the agent which comprises in a specified ratio of an alkali silicate solution and a sodium naphthalenesulfonate-formaldehyde condensate. Said agent has an excellent stability and a remarkable permeability into the cement structure to form a deeper strengthened surface layer thereon.
摘要翻译： 一种用于使用包含碱硅酸盐溶液和萘磺酸钠 - 甲醛缩合物的规定比例的试剂改性硬化的水泥结构或基材的表面层的试剂和方法。 所述试剂具有优异的稳定性和对水泥结构的显着渗透性，以在其上形成更深的加强表面层。
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2.发明授权
公开(公告)号：US4521249A
公开(公告)日：1985-06-04
申请号：US567028
申请日：1983-12-30
IPC分类号： C04B28/24 , B05D7/00 , C04B24/22 , C04B40/00 , C04B41/50 , C04B41/65 , C04B41/68 , C09D1/04 , C04B31/00
CPC分类号： C04B41/009 , C04B41/5089 , C04B41/68
摘要： An agent and method for modifying a surface layer of hardened cement structures or substrates with use of the agent which comprises in a specified ratio of an alkali silicate solution and a sodium naphthalenesulfonate-formaldehyde condensate. Said agent has an excellent stability and a remarkable permeability into the cement structure to form a deeper strengthened surface layer thereon.
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公开(公告)号：US4559241A
公开(公告)日：1985-12-17
申请号：US668237
申请日：1984-11-05
申请人： Masamichi Obitsu , Takahiro Hori
发明人： Masamichi Obitsu , Takahiro Hori
CPC分类号： C04B41/009 , C04B28/26 , C04B41/5089 , C04B41/68 , C04B2111/26 , C04B2111/723
摘要： An aqueous solution of 1-30 weight % alkali metal silicate and 0.005-10 weight % nitrite is stable and well permeable into hardened cementitious material. When applying said aqueous solution on the surface of hardened cementitious structure having metallic armatures embedded therein, it is possible not only to form surface layer improved in compactness, strength, hardness, waterproofing and weathering for preventing deterioration thereof and repair deteriorated cementitious material but also to prevent said metallic armatures from rusting.
摘要翻译： 1-30重量％碱金属硅酸盐和0.005-10重量％亚硝酸盐的水溶液是稳定的，并且对于硬化水泥质材料是可渗透的。 当将所述水溶液施加在其中嵌入有金属电枢的硬化水泥质结构的表面上时，不仅可以形成提高密实性，强度，硬度，防水性和耐候性的表面层，以防止其劣化并修复劣化的水泥质材料， 防止金属电枢生锈。
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公开(公告)号：US5248463A
公开(公告)日：1993-09-28
申请号：US928762
申请日：1992-08-17
IPC分类号： C04B35/486
CPC分类号： C04B35/486 , B82Y30/00 , C04B35/62635 , C04B35/632 , C04B35/63408 , C04B35/63416 , C04B35/63424 , C04B35/63468 , C04B35/638 , C04B2235/3225 , C04B2235/5409 , C04B2235/5445 , C04B2235/5454 , C04B2235/6022 , C04B2235/6562 , C04B2235/6567 , C04B2235/77 , C04B2235/96 , C04B2235/9615 , C04B2235/9653
摘要： Zirconia sintered bodies are produced by injection molding a zirconia composition comprising zirconia powder and an organic binder and firing the molded composition. High density sintered bodies having strength, white transparency and smoothness are obtained when zirconia powder containing 2 to 10 mol % of yttria in solid solution form and having a specific surface area of up to 12 m.sup.2 /g as measured by the BET method and a product of average particle size by specific surface area of up to 3 .mu.m.multidot.m.sup.2 /g is used.
摘要翻译： 氧化锆烧结体通过注射成型包含氧化锆粉末和有机粘合剂的氧化锆组合物并烧制该模制的组合物来制备。 当通过BET法测定含有2〜10摩尔％固体形式的氧化钇和比表面积达12m 2 / g的氧化锆粉末时，得到强度，白色透明度和平滑度的高密度烧结体， 使用比表面积高达3m×m 2 / g的平均粒径。
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5.发明授权
公开(公告)号：US5177033A
公开(公告)日：1993-01-05
申请号：US703865
申请日：1991-05-21
IPC分类号： C01B33/26 , C03C10/08 , C04B35/195 , C04B35/645
CPC分类号： C04B35/6455 , C01B33/26 , C04B35/195
摘要： A light transmitting sintered body of cordierite has a composition equal or close to the stoichiometric composition of cordierite which is represented as 2MgO.2Al.sub.2 O.sub.3.5SiO.sub.2, consists mainly of a phase of cordierite crystals, and has a total transmittance of at least 20%. A method of preparing it is also disclosed.
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公开(公告)号：US5279995A
公开(公告)日：1994-01-18
申请号：US38051
申请日：1993-03-25
申请人： Hiroaki Tanaka , Yutaka Kimura , Masamichi Obitsu
发明人： Hiroaki Tanaka , Yutaka Kimura , Masamichi Obitsu
IPC分类号： C04B35/486 , C04B35/48
CPC分类号： C04B35/486
摘要： A zirconia ceramic composed of crystals which scarcely undergo phase transformation from tetragonal system to monoclinic in the temperature range of from 100.degree. C. to 300.degree. C. even in the presence of water vapor or water is disclosed, said zirconia ceramic comprising at least 93% by weight of partially stabilized zirconia mainly composed of tetragonal crystals and containing mainly Y.sub.2 O.sub.3 and ZrO.sub.2 at the former to the latter molar ratio of from 2/98 to 4.5/95.5 and balance of at least one of the oxides selected from the group consisting of boron oxide, germanium oxide, and gallium oxide, wherein the content of the boron oxide is 1% by weight or less.
摘要翻译： 公开了一种由晶体组成的氧化锆陶瓷，即使在水蒸汽或水的存在下也几乎不会在从100度到300度的温度范围内从四方晶相转变为单斜晶系，所述氧化锆陶瓷包含至少93 主要由四方晶体组成并且主要含有Y 2 O 3和ZrO 2的部分稳定化的氧化锆的重量百分数，其中后者的摩尔比为2/98至4.5 / 95.5，余量为至少一种选自以下的氧化物： 氧化硼，氧化锗和氧化镓，其中氧化硼的含量为1重量％以下。
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公开(公告)号：US5223176A
公开(公告)日：1993-06-29
申请号：US829583
申请日：1992-02-03
申请人： Masamichi Obitsu , Takao Kaga , Yasuhiro Fujii
发明人： Masamichi Obitsu , Takao Kaga , Yasuhiro Fujii
CPC分类号： A61K33/24 , C01G25/02 , C01P2002/52 , C01P2004/61 , C01P2004/80 , C01P2006/10 , C01P2006/80
摘要： A stable basic zirconia sol can be prepared by adding to an acidic aqueous zirconia sol a dispersion stabilizer selected from the group consisting of a water-soluble organic acid having a hydroxyl group and a water-soluble organic compound having at least two hydroxyl groups, and thereafter adjusting the sol with a basic compound to pH 6 to 14.
摘要翻译： 稳定的碱性氧化锆溶胶可以通过向酸性含水氧化锆溶胶中加入选自具有羟基的水溶性有机酸和具有至少两个羟基的水溶性有机化合物的分散稳定剂，以及 然后用碱性化合物调节溶胶至pH6至14。
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公开(公告)号：US4985229A
公开(公告)日：1991-01-15
申请号：US100723
申请日：1987-09-25
申请人： Masamichi Obitsu , Isao Tomi , Takao Kaga
发明人： Masamichi Obitsu , Isao Tomi , Takao Kaga
CPC分类号： B82Y30/00 , C01G25/02 , C01P2004/61 , C01P2004/62 , C01P2004/64 , C01P2006/10 , C01P2006/90
摘要： A process for manufacturing fine zirconium oxide powder comprises adding a hydroxide of at least one metal selected from calcium, magnesium, yttrium and a lanthanide series element to a zirconia sol, which is dehydrated, dried and calcined. A zirconia sol prepared by hydrolyzing under heating an aqueous solution containing a zirconium salt, zirconium hydroxide or zirconia hydrate and then filtering the hydrolized aqueous solution through a ultra-filtration membrane is preferably used.
摘要翻译： 制造细小氧化锆粉末的方法包括将选自钙，镁，钇和镧系元素的至少一种金属的氢氧化物加入到氧化锆溶胶中，所述氧化锆溶胶经脱水，干燥和煅烧。 优选使用通过在加热下水解含有锆盐，氢氧化锆或氧化锆水合物的水溶液，然后通过超滤膜过滤水解的水溶液而制备的氧化锆溶胶。
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