IT8319879A0 - Polisaccaridi. polisaccaridi alchilsolfonati adattivita' fluidificante e malte e calcestruzzi contenenti detti - Google Patents

Polisaccaridi. polisaccaridi alchilsolfonati adattivita' fluidificante e malte e calcestruzzi contenenti detti

Info

Publication number
IT8319879A0
IT8319879A0 IT8319879A IT1987983A IT8319879A0 IT 8319879 A0 IT8319879 A0 IT 8319879A0 IT 8319879 A IT8319879 A IT 8319879A IT 1987983 A IT1987983 A IT 1987983A IT 8319879 A0 IT8319879 A0 IT 8319879A0
Authority
IT
Italy
Prior art keywords
polysaccharides
plastifier
adaptivity
mortars
alkylsulfonate
Prior art date
Application number
IT8319879A
Other languages
English (en)
Other versions
IT8319879A1 (it
IT1161592B (it
Inventor
Fabio Tegiacchi
Benito Casu
Original Assignee
Boston 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 Boston Spa filed Critical Boston Spa
Publication of IT8319879A0 publication Critical patent/IT8319879A0/it
Priority to IT19879/83A priority Critical patent/IT1161592B/it
Priority to US06/575,733 priority patent/USH493H/en
Priority to DE19843406745 priority patent/DE3406745A1/de
Priority to FR8403166A priority patent/FR2541990A1/fr
Priority to NL8400642A priority patent/NL8400642A/nl
Priority to GB08405407A priority patent/GB2138014B/en
Priority to BE212480A priority patent/BE899046A/fr
Priority to SE8401151A priority patent/SE8401151L/
Priority to CH1020/84A priority patent/CH659241A5/de
Priority to CA000448712A priority patent/CA1217482A/en
Publication of IT8319879A1 publication Critical patent/IT8319879A1/it
Application granted granted Critical
Publication of IT1161592B publication Critical patent/IT1161592B/it

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)
IT19879/83A 1983-03-03 1983-03-03 Polisaccaridi alchilsolfonati ad attivita' fluidificante e matle e calcestruzzi contenenti detti polisaccaridi IT1161592B (it)

Priority Applications (10)

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
US06/575,733 USH493H (en) 1983-03-03 1984-02-01 Alkylsulfonated polysaccharides and mortar and concrete mixes containing them
DE19843406745 DE3406745A1 (de) 1983-03-03 1984-02-24 Alkylsulfonierte polysaccharide und diese enthaltende moertel- und betonmischungen
NL8400642A NL8400642A (nl) 1983-03-03 1984-02-29 Alkylgesulfoneerde polysaccharides en mortel en betonmengsels, die hen bevatten.
FR8403166A FR2541990A1 (fr) 1983-03-03 1984-02-29 Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement
GB08405407A GB2138014B (en) 1983-03-03 1984-03-01 Alkylsulfonated polysaccharides and mortar and concrete mixes containing them
BE212480A BE899046A (fr) 1983-03-03 1984-03-01 Polysaccharides alkylsulfones, melanges de mortier et de beton les contenant et procede pour augmenter leur aptitude a l'ecoulement
SE8401151A SE8401151L (sv) 1983-03-03 1984-03-01 Alkylsulfonerade polysackarider samt cementbruk- och betongblandningar innehallande dessa
CH1020/84A CH659241A5 (de) 1983-03-03 1984-03-02 Superverfluessigungsmittel fuer moertel oder beton.
CA000448712A CA1217482A (en) 1983-03-03 1984-03-02 Alkylsulfonated polysaccharides and mortar and concrete mixes containing them

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 (3)

Publication Number Publication Date
IT8319879A0 true IT8319879A0 (it) 1983-03-03
IT8319879A1 IT8319879A1 (it) 1984-09-03
IT1161592B IT1161592B (it) 1987-03-18

Family

ID=11162016

Family Applications (1)

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

Country Status (10)

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

Families Citing this family (12)

* 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
TR27111A (tr) * 1992-06-06 1994-11-09 Hoechst Ag Sulfoakil grubu ihtiva eden alkilhidroksialkil selüloz eterleri.
US5591844A (en) * 1992-06-06 1997-01-07 Hoechst Aktiengesellschaft Alkyl hydroxyalkyl cellulose ethers containing sulfoalkyl groups
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
DE19549409A1 (de) * 1995-05-24 1997-01-02 Hoechst Ag Sulfonierte Regeneratcellulosefasern
DE19543304B4 (de) * 1995-11-21 2005-06-09 Skw Bauchemie Gmbh Zusatzmittel für wasserhaltige Baustoffmischungen und dessen Verwendung
CN1093136C (zh) * 1996-11-27 2002-10-23 花王株式会社 多糖衍生物和水硬性组合物
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
CA2547015C (en) * 2003-12-01 2013-06-25 W. R. Grace & Co.-Conn. Gluconate broth for cement and concrete admixture

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

Also Published As

Publication number Publication date
USH493H (en) 1988-07-05
FR2541990A1 (fr) 1984-09-07
IT8319879A1 (it) 1984-09-03
CA1217482A (en) 1987-02-03
SE8401151D0 (sv) 1984-03-01
BE899046A (fr) 1984-07-02
NL8400642A (nl) 1984-10-01
CH659241A5 (de) 1987-01-15
IT1161592B (it) 1987-03-18
GB2138014A (en) 1984-10-17
DE3406745A1 (de) 1984-09-06
GB2138014B (en) 1986-04-09
GB8405407D0 (en) 1984-04-04
SE8401151L (sv) 1984-09-04

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