CH659241A5 - Superverfluessigungsmittel fuer moertel oder beton. - Google Patents

Superverfluessigungsmittel fuer moertel oder beton. Download PDF

Info

Publication number
CH659241A5
CH659241A5 CH1020/84A CH102084A CH659241A5 CH 659241 A5 CH659241 A5 CH 659241A5 CH 1020/84 A CH1020/84 A CH 1020/84A CH 102084 A CH102084 A CH 102084A CH 659241 A5 CH659241 A5 CH 659241A5
Authority
CH
Switzerland
Prior art keywords
degree
water
sulfonation
mortar
super
Prior art date
Application number
CH1020/84A
Other languages
German (de)
English (en)
Inventor
Fabio Tegiacchi
Benito Casu
Original Assignee
Grace Italiana Spa
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 Grace Italiana Spa filed Critical Grace Italiana Spa
Publication of CH659241A5 publication Critical patent/CH659241A5/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B31/00—Preparation of derivatives of starch
    • C08B31/08—Ethers
    • C08B31/12—Ethers having alkyl or cycloalkyl radicals substituted by heteroatoms, e.g. hydroxyalkyl or carboxyalkyl starch
    • 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
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CH1020/84A 1983-03-03 1984-03-02 Superverfluessigungsmittel fuer moertel oder beton. CH659241A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19879/83A IT1161592B (it) 1983-03-03 1983-03-03 Polisaccaridi alchilsolfonati ad attivita' fluidificante e matle e calcestruzzi contenenti detti polisaccaridi

Publications (1)

Publication Number Publication Date
CH659241A5 true CH659241A5 (de) 1987-01-15

Family

ID=11162016

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1020/84A CH659241A5 (de) 1983-03-03 1984-03-02 Superverfluessigungsmittel fuer moertel oder beton.

Country Status (10)

Country Link
US (1) USH493H (fr)
BE (1) BE899046A (fr)
CA (1) CA1217482A (fr)
CH (1) CH659241A5 (fr)
DE (1) DE3406745A1 (fr)
FR (1) FR2541990A1 (fr)
GB (1) GB2138014B (fr)
IT (1) IT1161592B (fr)
NL (1) NL8400642A (fr)
SE (1) SE8401151L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037641A1 (fr) * 1995-05-24 1996-11-28 Dystar Textilfarben Gmbh & Co. Deutschland Kg Sulfonation de cellulose regeneree avec des polymeres sulfones et utilisation des fibres ainsi modifiees

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4203530A1 (de) * 1992-02-07 1993-08-12 Wolff Walsrode Ag Verwendung von wasserloeslichen sulfoalkylderivaten der cellulose in gips- und zementhaltigen massen
DE4203529A1 (de) * 1992-02-07 1993-08-12 Wolff Walsrode Ag Wasserloesliche sulfoalkylhydroxyalkylderivate der cellulose und deren verwendung in gips- und zementhaltigen massen
US5591844A (en) * 1992-06-06 1997-01-07 Hoechst Aktiengesellschaft Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups
TR27111A (tr) * 1992-06-06 1994-11-09 Hoechst Ag Sulfoakil grubu ihtiva eden alkilhidroksialkil selüloz eterleri.
US5573589A (en) * 1993-03-10 1996-11-12 Sandoz Ltd. Cement compositions containing a sulfated polysaccharide and method
US5575840A (en) * 1993-10-29 1996-11-19 National Starch And Chemical Investment Holding Corporation Cement mortar systems using blends of polysaccharides and cold-water-soluble, unmodified starches
DE19543304B4 (de) * 1995-11-21 2005-06-09 Skw Bauchemie Gmbh Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung
DE69716580T2 (de) * 1996-11-27 2003-06-05 Kao Corp Polysaccharidderivate und hydraulische zusammensetzungen
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
WO2005054149A1 (fr) * 2003-12-01 2005-06-16 W. R. Grace & Co.-Conn Bouillon de fermentation constitue de gluconate destine a des adjuvants pour le ciment et le beton

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429211A (en) 1944-02-07 1947-10-21 Andes Ralph Verne High-temperature cement modifier
US2583657A (en) 1949-07-11 1952-01-29 Phillips Petroleum Co Low water-loss cement and process of making
US2562148A (en) 1949-07-11 1951-07-24 Phillips Petroleum Co Low water-loss cement slurry
US2896715A (en) 1952-05-05 1959-07-28 Phillips Petroleum Co Hydraulic cements
US2795508A (en) 1952-08-22 1957-06-11 Phillips Petroleum Co Sulfoalkyl cellulose ethers and their salts as hydraulic natural cement set retarders
US2820788A (en) 1955-02-24 1958-01-21 Du Pont Process for preparing sodium sulfomethylcellulose
US2891057A (en) 1956-11-09 1959-06-16 Mo Och Domsjoe Ab Methods of making cellulose ethers
US3332791A (en) * 1964-05-12 1967-07-25 Rayonier Inc Process for producing portland cement compositions
US3530112A (en) 1967-07-24 1970-09-22 Itt Rayonier Inc Process for preparing dispersants useful in hydraulic cement slurries
JPS6018615B2 (ja) 1976-03-10 1985-05-11 花王株式会社 水硬性セメント組成物

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996037641A1 (fr) * 1995-05-24 1996-11-28 Dystar Textilfarben Gmbh & Co. Deutschland Kg Sulfonation de cellulose regeneree avec des polymeres sulfones et utilisation des fibres ainsi modifiees
US5986087A (en) * 1995-05-24 1999-11-16 Dystar Textilfarben Gmbh & Co. Deutschland Kg Sulfonation of regenerated cellulose with sulfonated polymers and use of the thus modified fibres

Also Published As

Publication number Publication date
CA1217482A (fr) 1987-02-03
SE8401151L (sv) 1984-09-04
GB8405407D0 (en) 1984-04-04
GB2138014B (en) 1986-04-09
IT8319879A0 (it) 1983-03-03
USH493H (en) 1988-07-05
IT8319879A1 (it) 1984-09-03
NL8400642A (nl) 1984-10-01
DE3406745A1 (de) 1984-09-06
IT1161592B (it) 1987-03-18
GB2138014A (en) 1984-10-17
SE8401151D0 (sv) 1984-03-01
BE899046A (fr) 1984-07-02
FR2541990A1 (fr) 1984-09-07

Similar Documents

Publication Publication Date Title
EP0146078B1 (fr) Agent de dispersion pour systèmes salins
EP0214412B1 (fr) Utilisation de sels de produits de condensation solubles de l'acide naphtalène sulfonique et du formaldéhyde comme additif pour liants et matériaux de construction minérales
EP1902085B1 (fr) Copolymere contenant du polyether
DE3426870C2 (fr)
EP2480514B1 (fr) Utilization d'une composition d'additif, ladite composition comprenant du lignosulfonate pour la reduction de flottaison de la suie sur des liants minéraux
DE3121814A1 (de) "zusatzmischung fuer zement"
CH659241A5 (de) Superverfluessigungsmittel fuer moertel oder beton.
DE2322707C3 (de) Mörtel aus anorganischen Bindemitteln
DE3307307A1 (de) Gipsfreie zementzusammensetzungen
EP0006135A1 (fr) Additif pour liants inorganiques, matériau de construction et procédé pour sa préparation
DE2745270A1 (de) Verbesserte hydraulische zementmischungen und verfahren zur verbesserung von hydraulischen zementmischungen
DE2935719A1 (de) Moertel aus anorganischen bindemitteln, verfahren zu ihrer herstellung und ihre verwendung.
EP0568865B1 (fr) Utilisation des produits de condensation de mélamine et d'acide glyoxylique comme additif pour liants hydrauliques et matériau de construction
EP1019335A1 (fr) Composition de liants pompable et procede permettant de la preparer
DE2630799B2 (de) Zusatzmittel für Mörtel und Beton
EP2744770A1 (fr) Saccharose inverti par voie enzymatique utilisé comme dispersif
EP2694450A1 (fr) Dérivés cellulosiques en tant que dispersants
EP2862625B1 (fr) Mélasse inversé à traitement alcalin comme agent dispersant pour des suspensions minérales
DE3107853A1 (de) Verfahren zur herstellung von hochkonzentrierten, niedrigviskosen, waessrigen loesungen von n-modifizierten melamin/aldehydharzen
CN117303779B (zh) 一种双组分混凝土外加剂、制备方法以及应用
AT364640B (de) Baumaterial und ein verfahren zu dessen herstellung
JPH0114191B2 (fr)
AT406047B (de) Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichen, feinkörnigen polysacchariden, wie z.b. mikrobiellen oder pflanzlichen biopolymeren und/oder cellulosederivaten
DE2916705B2 (de) Anorganische Baustoffmischung mit organischen Platifikatorzusätzen und Verfahren zu deren Herstellung
DE3540155A1 (de) Zusatzmittel fuer beton- und moertelmischungen und verfahren zu seiner herstellung

Legal Events

Date Code Title Description
PL Patent ceased