DE69402151T2 - Wasserreduzierende Gemische für Zementzusammensetzungen - Google Patents

Wasserreduzierende Gemische für Zementzusammensetzungen

Info

Publication number
DE69402151T2
DE69402151T2 DE69402151T DE69402151T DE69402151T2 DE 69402151 T2 DE69402151 T2 DE 69402151T2 DE 69402151 T DE69402151 T DE 69402151T DE 69402151 T DE69402151 T DE 69402151T DE 69402151 T2 DE69402151 T2 DE 69402151T2
Authority
DE
Germany
Prior art keywords
water
cement compositions
reducing mixtures
mixtures
reducing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69402151T
Other languages
English (en)
Other versions
DE69402151D1 (de
Inventor
Yoshikazu Minomiya
Akira Ohta
Minoru Yaguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Construction Research and Technology GmbH
Original Assignee
Sandoz AG
Sandoz Patent GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sandoz AG, Sandoz Patent GmbH filed Critical Sandoz AG
Publication of DE69402151D1 publication Critical patent/DE69402151D1/de
Application granted granted Critical
Publication of DE69402151T2 publication Critical patent/DE69402151T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
    • C04B2103/302—Water reducers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
DE69402151T 1993-10-29 1994-10-27 Wasserreduzierende Gemische für Zementzusammensetzungen Expired - Fee Related DE69402151T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30451993 1993-10-29

Publications (2)

Publication Number Publication Date
DE69402151D1 DE69402151D1 (de) 1997-04-24
DE69402151T2 true DE69402151T2 (de) 1997-07-17

Family

ID=17934006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69402151T Expired - Fee Related DE69402151T2 (de) 1993-10-29 1994-10-27 Wasserreduzierende Gemische für Zementzusammensetzungen

Country Status (3)

Country Link
US (1) US5880182A (de)
EP (1) EP0650941B1 (de)
DE (1) DE69402151T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08109053A (ja) * 1994-10-06 1996-04-30 N M B:Kk スリップフォーム工法用セメント添加剤
DE19543304B4 (de) * 1995-11-21 2005-06-09 Skw Bauchemie Gmbh Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung
AT406156B (de) * 1996-08-13 2000-03-27 Tulln Zuckerforschung Gmbh Zusatzmittel für spritzbeton
FR2774681B1 (fr) 1998-02-11 2000-04-07 Roquette Freres Adjuvants pour liants mineraux, a base de disaccharide hydrogene, liants mineraux adjuvantes et leur procede de preparation
FR2774682B1 (fr) * 1998-02-11 2000-04-14 Roquette Freres Adjuvants pour liants mineraux, a base de sucre (oxyde) et de sucre hydrogene, liants mineraux adjuvantes et leur procede de preparation
WO1999044966A1 (en) * 1998-03-05 1999-09-10 Westinghouse Savannah River Company Admixture for zero-bleed mixtures, grouts, and cements
FR2791973B1 (fr) * 1999-04-08 2001-07-27 Roquette Freres Adjuvants pour liants mineraux, a base d'un produit de deshydratation interne d'un sucre hydrogene, liants mineraux adjuvantes et leur procede de preparation
US6908955B2 (en) * 1999-07-09 2005-06-21 Construction Research & Technology Gmbh Oligomeric dispersant
US6133347A (en) 1999-07-09 2000-10-17 Mbt Holding Ag Oligomeric dispersant
US6861459B2 (en) * 1999-07-09 2005-03-01 Construction Research & Technology Gmbh Oligomeric dispersant
EP1268360B1 (de) 2000-03-29 2005-01-26 National Research Council Of Canada Leitende zementzusammensetzung
US6858074B2 (en) * 2001-11-05 2005-02-22 Construction Research & Technology Gmbh High early-strength cementitious composition
CN100404570C (zh) * 2002-04-25 2008-07-23 株式会社日本触媒 水泥外加剂及其制造方法
FR2844525B1 (fr) 2002-09-18 2005-06-03 Roquette Freres Procede de preparation d'une composition polycarboxylique comprenant une etape d'oxydation electrochimique d'une composition monosaccharidique
WO2005054149A1 (en) * 2003-12-01 2005-06-16 W. R. Grace & Co.-Conn Gluconate broth for cement and concrete admixture
FR2871155B1 (fr) * 2004-06-02 2007-04-27 Roquette Freres Utilisation de polysaccharides particuliers pour l'adjuvantation de matieres minerales
US7615254B2 (en) * 2005-08-22 2009-11-10 Christopher L Smith Fluid-applied air and moisture barrier and cementitious bond breaker and system
CN102007084B (zh) * 2008-04-16 2013-10-09 阿克佐诺贝尔股份有限公司 用于矿物建筑材料的流变影响添加剂
CN101787137B (zh) * 2010-01-28 2012-02-29 同济大学 一种具有减缩功能的聚羧酸系减水剂、合成方法及使用方法
US8821630B2 (en) * 2011-05-06 2014-09-02 W. R. Grace & Co.-Conn. Carboxylated-carboxylic polyglycerol compositions for use in cementitious compositions
US10155209B2 (en) 2013-08-01 2018-12-18 Nippon Paper Industries Co., Ltd. Dispersant
CN104496250A (zh) * 2014-11-19 2015-04-08 南京金海宁新型建材科技有限公司 一种混凝土防冻泵送剂
CN109231876A (zh) * 2018-10-11 2019-01-18 济南大学 一种先张法预应力管桩混凝土用早强降粘型外加剂
CN111548048A (zh) * 2020-06-03 2020-08-18 浙江五龙新材股份有限公司 一种减缩型混凝土高效减水剂
CN111943561B (zh) * 2020-08-19 2021-04-30 嘉善华豪建材有限公司 一种聚羧酸高性能泵送剂及其生产工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368987A (en) * 1964-02-17 1968-02-13 Monsanto Co Starch composition modified with half amide/half salt styrene maleic anhydride copolymers
IT1045175B (it) * 1975-06-13 1980-05-10 Ikede Anstalt Additivo per impasti di leganti inorganici quali paste malte calcestruzzi e simili e metodo per preparare impasti contenenti detto additivo
JPS6018615B2 (ja) * 1976-03-10 1985-05-11 花王株式会社 水硬性セメント組成物
JPS582178B2 (ja) * 1980-11-18 1983-01-14 日曹マスタ−ビルダ−ズ株式会社 高炉スラグ水砕砂の固結防止剤
JPS59227753A (ja) * 1983-06-08 1984-12-21 日曹マスタ−ビルダ−ズ株式会社 セメント組成物
EP0188471B1 (de) * 1984-06-20 1989-11-29 Sandoz Ag Zusatz für zementmischungen
US4897119A (en) * 1988-01-11 1990-01-30 Geochemical Corporation Aqueous dispersion of ground slag

Also Published As

Publication number Publication date
DE69402151D1 (de) 1997-04-24
EP0650941A1 (de) 1995-05-03
EP0650941B1 (de) 1997-03-19
US5880182A (en) 1999-03-09

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: MBT HOLDING AG, ZUERICH, CH

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH, 83308 TRO

8339 Ceased/non-payment of the annual fee