CH687077A5 - Verfluessiger fuer Zementmischungen. - Google Patents

Verfluessiger fuer Zementmischungen. Download PDF

Info

Publication number
CH687077A5
CH687077A5 CH00674/94A CH67494A CH687077A5 CH 687077 A5 CH687077 A5 CH 687077A5 CH 00674/94 A CH00674/94 A CH 00674/94A CH 67494 A CH67494 A CH 67494A CH 687077 A5 CH687077 A5 CH 687077A5
Authority
CH
Switzerland
Prior art keywords
polysaccharide
additive
cement
agents
additive according
Prior art date
Application number
CH00674/94A
Other languages
German (de)
English (en)
Inventor
Yoshio Tanaka
Toshiyuki Uryu
Minoru Yaguchi
Original Assignee
Sandoz Ag
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 filed Critical Sandoz Ag
Publication of CH687077A5 publication Critical patent/CH687077A5/de

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
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
    • C04B24/168—Polysaccharide derivatives, e.g. starch sulfate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B5/00—Preparation of cellulose esters of inorganic acids, e.g. phosphates
    • C08B5/14—Cellulose sulfate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Structural Engineering (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CH00674/94A 1993-03-10 1994-03-08 Verfluessiger fuer Zementmischungen. CH687077A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8771793 1993-03-10

Publications (1)

Publication Number Publication Date
CH687077A5 true CH687077A5 (de) 1996-09-13

Family

ID=13922663

Family Applications (1)

Application Number Title Priority Date Filing Date
CH00674/94A CH687077A5 (de) 1993-03-10 1994-03-08 Verfluessiger fuer Zementmischungen.

Country Status (5)

Country Link
JP (1) JP3297190B2 (fr)
CH (1) CH687077A5 (fr)
DE (1) DE4407499A1 (fr)
FR (1) FR2702473B1 (fr)
IT (1) IT1271877B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1044466C (zh) * 1995-05-10 1999-08-04 中国科学院广州化学研究所 一种纤维素硫酸酯型混凝土外加剂
DE19543304B4 (de) * 1995-11-21 2005-06-09 Skw Bauchemie Gmbh Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung
WO1997027153A1 (fr) * 1996-01-26 1997-07-31 The Nutrasweet Company Augmentation de la teneur en sulfate dans des formulations de type ciment contenant des polysaccharides anioniques afin d'ameliorer les proprietes du ciment
IT1291309B1 (it) * 1997-05-06 1999-01-07 F B C Future Biolog Chemicals Fluidificanti cementizi a base di amidi solfati
DE10209812A1 (de) 2001-03-22 2002-09-26 Degussa Construction Chem Gmbh Verwendung von wasserlöslichen Polysaccharid-Derivaten als Dispergiermittel für mineralische Bindemittelsuspensionen
FR2865350B1 (fr) * 2004-01-27 2006-05-26 Goemar Lab Sa Agent et procede pour la stimulation des defenses naturelles des plantes
EP2301901B1 (fr) * 2008-07-18 2014-03-26 Kao Corporation Procédé pour la fabrication de poudre hydraulique
US8598255B2 (en) 2008-07-18 2013-12-03 Kao Corporation Early strengthening agent for hydraulic composition
CN101974091B (zh) * 2010-09-28 2012-07-04 新疆大学 利用制浆黑液中沉淀的废弃纤维素制备混凝土减水剂的新方法
DE102013204817B4 (de) * 2013-03-19 2017-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von sulfatierten Celluloseethern sowie deren Verwendung zur Herstellung von Mikrokapseln

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3951674A (en) * 1974-12-17 1976-04-20 The Procter & Gamble Company Concrete additive
US4093798A (en) * 1976-12-06 1978-06-06 National Starch And Chemical Corporation Method for preparing starch sulfate esters
JPS59138201A (ja) * 1983-01-27 1984-08-08 Rikagaku Kenkyusho 新規な硫酸化アミノ多糖及びその製造法
JPS6121949A (ja) * 1984-07-06 1986-01-30 太平洋セメント株式会社 水中打設セメント組成物用混和剤
JPS6172664A (ja) * 1984-09-17 1986-04-14 第一工業製薬株式会社 水中コンクリ−ト用混和剤
JPS6230649A (ja) * 1985-08-02 1987-02-09 第一工業製薬株式会社 セメントスラリ−用添加剤
JPH0725802B2 (ja) * 1988-11-28 1995-03-22 味の素株式会社 カードランまたはレンチナンの硫酸エステルまたはその塩の製造方法
DK0432770T3 (da) * 1989-12-12 1994-01-31 Takeda Chemical Industries Ltd Hydraulisk materiale, formgivne produkter af dette samt segregeringsreduktionsmiddel for hydrauliske substanser
JP2733580B2 (ja) * 1990-07-30 1998-03-30 株式会社ジーシー 歯科用アルミン酸セメント硬化液
DE4024968A1 (de) * 1990-08-07 1992-07-09 Wolff Walsrode Ag Dihydroxypropylsulfoethylcellulosen, ihre herstellung und verwendung
JP2839770B2 (ja) * 1991-09-24 1998-12-16 信越化学工業株式会社 充填性と流動性に優れたコンクリート組成物
JP2839771B2 (ja) * 1991-09-25 1998-12-16 信越化学工業株式会社 充填性と流動性に優れたコンクリート組成物

Also Published As

Publication number Publication date
FR2702473A1 (fr) 1994-09-16
DE4407499A1 (de) 1994-09-15
JPH0710624A (ja) 1995-01-13
IT1271877B (it) 1997-06-09
ITRM940126A0 (it) 1994-03-09
FR2702473B1 (fr) 1995-08-18
ITRM940126A1 (it) 1995-09-09
JP3297190B2 (ja) 2002-07-02

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Legal Events

Date Code Title Description
PUE Assignment

Owner name: SANDOZ AG TRANSFER- MBT HOLDING AG

PL Patent ceased