序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
321 Sound absorption system and a method of manufacturing the same JP2011537615 2009-11-19 JP5557145B2 2014-07-23 リー・ケイ・ヤン
322 High starch lightweight gypsum wallboard JP2008515936 2006-06-08 JP5518332B2 2014-06-11 キアン ユ,; ウェイシン, ディー. ソン,; マイケル, アール. リン,
323 Outer wall base material JP2006346404 2006-12-22 JP4904146B2 2012-03-28 哲也 五十川; 和典 東
324 Modified sulfur binding material and its manufacturing method, hydraulic modified sulfur material composition containing the same, and method of manufacturing the same or combustible modified sulfur material composition and manufacturing method thereof JP2011531998 2008-10-15 JP2012505819A 2012-03-08 マンソン チェ,
本発明は、硫黄の改質剤として、複素環アミン類またはアルキルアミン類と、ジシクロペンタジエン系改質剤を混合使用して硫黄を改質させることにより、100℃以下の温度で再溶融が可能な物性を発揮する改質硫黄結合材およびその製造方法を提供する。
また、本発明は、前記改質硫黄結合材に界面活性剤を添加してとの混合作業を可能にし、これに骨材と水硬性材料を混合した水硬性改質硫黄資材組成物およびその製造方法と、前記材料を混合した後に成形した水硬性改質硫黄資材およびその製造方法を提供する。
なお、本発明は、前記改質硫黄結合材に骨材と選択的にフィラー(filler)を添加した可燃性改質硫黄資材組成物およびその製造方法と、前記材料を混合した後に成形した可燃性改質硫黄資材およびその製造方法を提供する。
325 Gypsum-based solidifying material consisting mainly of gypsum compositions capable of suppressing hydrogen sulfide generation JP2009053660 2009-03-06 JP4802255B2 2011-10-26 真一 三浦; 雅人 山口
<P>PROBLEM TO BE SOLVED: To provide a gypsum composition which is inexpensive and used even in applications such as solidifying materials used when soil is reformed or building materials, consumed in a large amount, and which is a product of a specification that hydrogen sulfide is less likely to occur in comparison with a conventional one when it is disposed or used for soil reforming or the like, and has a high practical value, and to provide a gypsum-based building material to which the excellent characteristics are imparted in a state where conventional quality and workability in construction are maintained. <P>SOLUTION: The gypsum composition capable of restraining the occurrence of hydrogen sulfide is obtained by adding 0.8-20 pts.mass of at least one of aluminum compound (B) selected from the group comprising aluminum oxide, aluminum chloride, aluminum hydroxide, aluminum sulfate and their derivatives, to 100 pts.mass of calcined-gypsum (A). <P>COPYRIGHT: (C)2010,JPO&amp;INPIT
326 Grouting method JP2009083960 2009-03-31 JP2010235721A 2010-10-21 MIZUSHIMA KAZUYUKI; TANAKA HIDEHIRO
<P>PROBLEM TO BE SOLVED: To provide an inexpensive plastic grout material that is reliably grouted to a back cavity filler part of mountain tunnel and a filler part of cavity and gap of civil engineering structure, has no leakage to surrounding gaps etc., prevents a grout material from being diluted with ground water and running water, forcefully feeds a cement milk A material and a plasticizing B material in a long distance and reduces a bleeding amount. <P>SOLUTION: The grouting method includes mixing the cement milk A material containing cement with the plasticizing B material containing calcium aluminate, gypsum, an acrylic ester copolymer emulsion and an antifoaming agent just before grouting. The cement milk A material contains coal ash and/or bentonite. The grouting method includes mixing the cement milk A material with the plasticizing B material at a position of 0.5-30 m from the tip of a grouting nozzle. <P>COPYRIGHT: (C)2011,JPO&INPIT
327 Hydraulic composition JP2008259782 2008-10-06 JP2010095389A 2010-04-30 TAKAHASHI KEISUKE; OKADA YUKIHIKO
<P>PROBLEM TO BE SOLVED: To provide a hydraulic composition which ensures excellent flowing property adoptable in a large-scale grout construction in civil engineering and construction fields and which allows efficient and stable production of a hydraulic mortar (slurry) having good material separation resistance, excellent in crack resistance in a curing process, and further, stably supplied to a distant construction site through a slurry hose over a long distance under pressure by a slurry pump, and placed and applied. <P>SOLUTION: The hydraulic composition includes a hydraulic component, fine aggregate having a specified particle size constitution, a polyether-based shrinkage-reducing agent, a polycarboxylic acid-based or naphthalene sulfonic acid-based fluidizing agent, a defoaming agent, and an inorganic expansive agent. <P>COPYRIGHT: (C)2010,JPO&INPIT
328 Cement additive and cement composition JP2007540946 2006-10-13 JP4392765B2 2010-01-06 信和 二戸; 一夫 山田; 宙 平尾; 清 鯉渕
329 Setting accelerator for low heat Portland cement and condensation promoting method JP34336099 1999-12-02 JP4370443B2 2009-11-25 晃 大野
330 Functional building material JP2003079616 2003-03-24 JP2004285716A 2004-10-14 NAGAI MASAAKI; TODA YASUHIKO; NISHIDA AKIO
<P>PROBLEM TO BE SOLVED: To provide an interior building material, formed by adding a function of dissolving/making harmless harmful chemical substance gases such as VOC or offensive odor to a building material having a humidification function, and applying surface coating not disturbing the functions to the material. <P>SOLUTION: In this functional building material, a water vapor permeable surface coating material is applied to the surface of an inorganic building material having a humidification function manufactured by molding raw material containing diatom earth ranging from 30 to 75 mass %, and further a photocatalyst particles are carried on the surface thereof. <P>COPYRIGHT: (C)2005,JPO&NCIPI
331 Wood cement board JP9743499 1999-04-05 JP2000290059A 2000-10-17 NAGATOMI SONAU
PROBLEM TO BE SOLVED: To enhance the strength of a wood cement board produced by autoclave curing after heating under pressure. SOLUTION: The wood cement board contains Portland cement, alumina cement, hemihydrate gypsum and silica fume as hardenable inorganic materials and uses a wood material as a reinforcing material. When the alumina cement is contained in the hardenable inorganic materials by 1-5 wt.%, the weight ratio of the alumina cement to the hemihydrate gypsum is 0.5-2.5, that of the Portland cement to the silica fume is 2.5-5.5 and that of the hardenable inorganic materials to the wood material is 1.5-4.5, the content of ettringite and the amount of calcium silicate hydrate produced are increased.
332 Production of artificial lightweight aggregate and artificial lightweight aggregate obtained by the method JP16298798 1998-05-27 JPH11335147A 1999-12-07 NAGANAMI TAKESHI; KAWAMOTO KOJI; KAGAKUI ATSUSHI; SUDO SHINGO
PROBLEM TO BE SOLVED: To provide a method for producing an artificial lightweight aggregate by using coal ash, a cement, calcium sulfate and the cut powder of autoclaved lightweight concrete, capable of producing the non-calcination type artificial lightweight aggregate having a low bulk density, a high strength and a low water absorption rate at a low cost, and to provide the artificial lightweight aggregate obtained by the method. SOLUTION: This method for producing an artificial lightweight aggregate comprises mixing coal ash, a cement and calcium sulfate, pulverizing the mixture into the particles preferably having an average particle diameter of <=10 μm, mixing the pulverization product with the cut powder of water-repelling autoclaved lightweight concrete, if necessary, molding the mixture, and subsequently curing the molded product with high pressure steam or curing the molded product with atmospheric pressure steam and subsequently with high pressure steam. The artificial lightweight aggregate is obtained by the above method and has a bulk density of >=1.0 and <1.5, a crash strength of >=50 kgf and a water absorption rate of <=10%.
333 Grouting material JP24562397 1997-09-10 JPH1180726A 1999-03-26 NAGAI YOSHINORI; KITSUTA KAZUTOMI; ISODA HIDENORI
PROBLEM TO BE SOLVED: To obtain a grouting material shortened in gel time while maintaining high permeability. SOLUTION: This grouting material comprises powder material of hydraulic superfine particles satisfying the following conditions (1) to (4) and water-soluble hydration reaction accelerator (except ettringite precursor): (1) The powder material contains cement clinker fine powder, blast furnace slag fine powder and gypsum fine powder, (2) the mixture of the cement clinker with gypsum fine powder has 10. 5 μm maximum particle diameter and <=50 vol.% 2.2 μm sieve through content, (3) the blast furnace slag fine powder has <=10. 5 μm maximum particle diameter and <=50 vol.% 2.2 μm sieve through content and (4) powder material obtained by mixing each component has <=10.5 maximum particle diameter and <=45 vol.% 2.2 μm sieve through content. The water-soluble hydration reaction accelerator is preferably at least one kind of substance selected from a group comprising an inorganic carbonate, an inorganic heavy carbonate and an inorganic chloride.
334 Heat-curing type cement composition and production of wood-based cement board using the same composition JP3767297 1997-02-21 JPH10231161A 1998-09-02 KAWAKAMI YUICHI; KANEKO TAKAAKI; TAKAHASHI KENJI
PROBLEM TO BE SOLVED: To obtain a heat-curing type cement composition, high in productivity and capable of giving a wood-based cement board having an improved dimensional stability, and to provide a method for producing a wood-based cement board by using the same cement composition. SOLUTION: This heat-curing type cement composition is obtained by blending a cement composition obtained by adding 0.2-2.0wt.% alkali metal salt of an organic carboxylic acid to 100wt.% cement component consisting of a heat-curing component containing an alumina cement and anhydrous gypsum and/or hemihydrated gypsum as main components and a portland cement, with a silicic acid-based powder in a weight ratio of (the cement component : the silicic acid-based component)=(3:7)-(7:3). The method for producing a wood-based cement board is to mix a wood-based material and water with the above composition, mold the mixture into a prescribed shape and then cure the molded material by heating.
335 Soil stabilizer JP1932497 1997-01-31 JPH10219245A 1998-08-18 GOTO HIROKI; HARASHIMA KIYOHARU
PROBLEM TO BE SOLVED: To obtain a soil stabilizer capable of hardening and solidifying high water content conhesive soil, sludge, poor ground, etc., in a sort term and moreover highly strengthening the resultant treated soil, by containing alunite-based powder, calcium sulfate-based hardener power and lime-based powder. SOLUTION: This soil stabilizer is prepared by containing (A) 100 pt.wt. alunite-based powder having a specific surface area of ≥2000cm 2/g obtained by calcinating alunite (or its mixture with calcium carbonate and/or calcium carbonate-containing minerals) at 850 to 1200°C and then milling, (B) (preferably 100 to 300 pts.wt.) calcium sulfate-based hardener powder such as natural gypsum and chemical gypsum and (C) (preferably 100 to 800 pt.wt.) lime-based powder such as calcium oxide with the quality higher than that described in JIS No.2, by-product calcium oxide-containing dust and calcium hydroxide. COPYRIGHT: (C)1998,JPO
336 Rigid cement chip board and its manufacture JP1029497 1997-01-23 JPH10202625A 1998-08-04 KANEKO TAKAAKI; TAKAHASHI KENJI
PROBLEM TO BE SOLVED: To shorten pressurizing time to a great extent and improve productivity by a method wherein a mixture of a thermosetting cement composition with comminuted wood chips and water is heated and hardened under the specific pressurized condition. SOLUTION: A rigid cement chip board is made by heating and hardening a specific mixture 1 under the pressurized condition of applying pressure of 35-50kgf/cm<2> (3.4-4.9Mpa) for pressurizing time of 8-10 minutes. The mixture 1 is prepared by mixing a thermosetting cement composition containing a thermosetting component mainly composed of aluminous cement and anhydrous gypsum or hemihydrate gypsum, and containing Portland-cement, with comminuted wood chips and water. The mixture 1 is built up on a formwork 2 and heated under pressure for a predetermined period of time by hot press. After hardened, the mixture 1 is released from the formwork 2 to obtain the rigid cement chip board. Further, by increasing pressure higher than the conventional level, the rigid cement chip board becomes dense, and its quality such as bending strength can be improved.
337 Cement admixture and cement composition JP16138796 1996-06-21 JPH107443A 1998-01-13 WATANABE YOSHIHARU
PROBLEM TO BE SOLVED: To promote both the setting and hardening of a mortar or a concrete and the development of the short time strength by including gypsums, active silica and an aluminate of an alkali metal or a silicate thereof. SOLUTION: This cement admixture comprises gypsums, active silica, an aluminate or a silicate of the alkali metal. Furthermore, the cement composition is obtained by blending 100 pts.wt. of a cement with 1.0-6 pts.wt. of gypsums having >=2500cm<2> /g specific surface area (measured according to the Blaine method), 5-10 pts.wt. of an active silica and 0.1-0.8 pts.wt. of an aluminate of an alkali metal or a silicate thereof.
338 Production of wood chip cement board JP15118696 1996-06-12 JPH101355A 1998-01-06 OTA SEIICHI
PROBLEM TO BE SOLVED: To obtain an inexpensive wood chip cement board and to enhance the bending strength by feeding a mixture of specific mixed wood chips, a cement composition and water into a mold, forming and hardening the mixture under pressurized curing. SOLUTION: 5-80wt.% wood chips obtained by cutting or compressing building waste wood is mixed with 20-95wt.% wood chips obtained by cutting or compressing new wood to obtain the mixture of wood chips. A heat-setting component consisting essentially of alumina cement, anhydrous gypsum and/or hemigypsum is compounded with Portland cement at (1:4)-(4:1) weight ratio to obtain a cement composition. A mixture of 5-30wt.% the above-mentioned mixture of wood chips, 70-95wt.% the cement composition and water is fed into a mold, formed under pressure and then cured under pressure to harden it.
339 Cement formed body material and its production and producing of cement formed body JP9613196 1996-03-25 JPH09255397A 1997-09-30 OSHIMA MASAYUKI; YAMAGUCHI ATSUSHI
PROBLEM TO BE SOLVED: To improve the bonding strength of a cement matrix with a woody material by sticking a particulate binding type cement particle to a woody material having a nappy surface. SOLUTION: A rotor 3 having a blade 8 provided in a treating section 6 formed from the side wall of a casing 1 and a stator 2 is rotated. Next, a mixture of the woody material with the cement powder is supplied to the heating section 6 through a pipe 10 having a stop valve 9 from a hopper 4. And a particulate binding type cement particle is formed by allowing the mixture to flow in and out the treating section 6 through the circulating passage 11 while rotating the inside of the treating section 6 at high speed by the rotation of the rotor 3 to collide to the blade 8, the inside wall of the treating section 6 and the circulating passage 11, is driven into the surface of the woody material with the napped surface to be bonded and is discharged from a discharge port 12 provided with a stop valve 12.
340 Calcium silicate plate and its production JP13804095 1995-06-05 JPH08333179A 1996-12-17 SAKIYAMA MASATO; ASAMI TAKUYA; IWANAGA TOMOKI; SHIROMOTO MORIMITSU
PURPOSE: To improve the strength and delamination resistance of formed products by making a slurry of specific starting materials into sheets, subjecting the formed product formed by lamination to the primary curing and to hydrothermal reaction. CONSTITUTION: Calcareous material (17-50wt.%), siliceous material (15-45wt.%), fibrous material (2-8wt.%), hemihydrated gypsum (5-40wt.%), inorganic filler (5-30wt.%) and a setting retarder (0.05-0.5 outer percentage to the hemihydrated gypsum) are dispersed in water to prepare a feedstock slurry 7. This slurry 7 is made into sheets with screen cylinders 8 provided respectively in plural sheet producing boxes 6, the sheets are transferred to a felt 3 and an obtained sheet film 4 on the felt 3 is wound up to a making roll 1 to give a formed product. This product is subjected to the primary curing at 20-60°C over 3 hours to effect a hydrothermal reaction of the hemihydrated gypsum. Then, the product is subjected to the hydrothermal reaction in a pressure vessel at 150-200°C under the saturated steam pressure for 5-20 hours to give the objective calcium silicate plate. COPYRIGHT: (C)1996,JPO
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