BE899046A - ALKYLSULPHONATED POLYSACCHARIDES, MIXTURES OF MORTAR AND CONCRETE CONTAINING THEM AND PROCESS FOR INCREASING FLOWABILITY - Google Patents
ALKYLSULPHONATED POLYSACCHARIDES, MIXTURES OF MORTAR AND CONCRETE CONTAINING THEM AND PROCESS FOR INCREASING FLOWABILITY Download PDFInfo
- Publication number
- BE899046A BE899046A BE212480A BE212480A BE899046A BE 899046 A BE899046 A BE 899046A BE 212480 A BE212480 A BE 212480A BE 212480 A BE212480 A BE 212480A BE 899046 A BE899046 A BE 899046A
- Authority
- BE
- Belgium
- Prior art keywords
- mortar
- alkylsulphonated
- polysaccharides
- mixtures
- concrete containing
- Prior art date
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)
Abstract
Agent superfluidifiant pour mortier ou béton, caractérisé en ce qu'il comprend un polysaccharide alkylsulfoné ayant un degreé de polymérisation pouvant atteindre 100 et un degré de sulfonation compris entre 0,2 et 3,0 ; il s'agit dans ce cas, du procédé de préparation de l'amidon alkylsulfoné soluble dans l'eau. Cet agent permet une augmentation de l'aptitude à l'écoulement d'un mélange de mortier ou de béton contenant un liant de ciment hydraulique.Superfluidifying agent for mortar or concrete, characterized in that it comprises an alkylsulfonated polysaccharide having a degree of polymerization which can reach 100 and a degree of sulfonation of between 0.2 and 3.0; in this case, it is the process for preparing water-soluble alkylsulfonated starch. This agent allows an increase in the flowability of a mortar or concrete mixture containing a hydraulic cement binder.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT19879/83A IT1161592B (en) | 1983-03-03 | 1983-03-03 | ALCHYL SULPHONATED POLYSACCHARIDS WITH FLUIDIFYING ACTIVITY AND MATLE AND CONCRETE CONTAINING THOSE POLYSACCHARIDES |
Publications (1)
Publication Number | Publication Date |
---|---|
BE899046A true BE899046A (en) | 1984-07-02 |
Family
ID=11162016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE212480A BE899046A (en) | 1983-03-03 | 1984-03-01 | ALKYLSULPHONATED POLYSACCHARIDES, MIXTURES OF MORTAR AND CONCRETE CONTAINING THEM AND PROCESS FOR INCREASING FLOWABILITY |
Country Status (10)
Country | Link |
---|---|
US (1) | USH493H (en) |
BE (1) | BE899046A (en) |
CA (1) | CA1217482A (en) |
CH (1) | CH659241A5 (en) |
DE (1) | DE3406745A1 (en) |
FR (1) | FR2541990A1 (en) |
GB (1) | GB2138014B (en) |
IT (1) | IT1161592B (en) |
NL (1) | NL8400642A (en) |
SE (1) | SE8401151L (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4203529A1 (en) * | 1992-02-07 | 1993-08-12 | Wolff Walsrode Ag | WATER-SOLUBLE SULFOALKYL HYDROXYALKYL DERIVATIVES OF CELLULOSE AND THEIR USE IN PLASTER AND CEMENT CONTAINERS |
DE4203530A1 (en) * | 1992-02-07 | 1993-08-12 | Wolff Walsrode Ag | USE OF WATER SOLUBLE SULFOALKYL DERIVATIVES OF CELLULOSE IN PLASTER AND CEMENT CONTAINERS |
TR27111A (en) * | 1992-06-06 | 1994-11-09 | Hoechst Ag | Alkylhydroxyalkyl cellulose ethers containing sulfoacyl group. |
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 |
DE19519025C1 (en) * | 1995-05-24 | 1996-12-05 | Hoechst Ag | Starch etherified to a high degree with alkyl sulfonic acid residues |
DE19543304B4 (en) * | 1995-11-21 | 2005-06-09 | Skw Bauchemie Gmbh | Additive for water-containing building material mixtures and its use |
DE69716580T2 (en) * | 1996-11-27 | 2003-06-05 | Kao Corp., Tokio/Tokyo | POLYSACCHARIDE DERIVATIVES AND HYDRAULIC COMPOSITIONS |
IT1291309B1 (en) * | 1997-05-06 | 1999-01-07 | F B C Future Biolog Chemicals | CEMENTITIOUS FLUIDIZERS BASED ON SULPHATES |
DE10209812A1 (en) | 2001-03-22 | 2002-09-26 | Degussa Construction Chem Gmbh | Water-soluble polysaccharide derivatives used as dispersants for mineral binder suspensions, optionally contain hydroxyalkyl and/or sulfate groups |
EP1689692A4 (en) * | 2003-12-01 | 2011-02-02 | Grace W R & Co | Gluconate broth for cement and concrete admixture |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429211A (en) | 1944-02-07 | 1947-10-21 | Andes Ralph Verne | High-temperature cement modifier |
US2562148A (en) | 1949-07-11 | 1951-07-24 | Phillips Petroleum Co | Low water-loss cement slurry |
US2583657A (en) | 1949-07-11 | 1952-01-29 | Phillips Petroleum Co | Low water-loss cement and process of making |
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 (en) | 1976-03-10 | 1985-05-11 | 花王株式会社 | Hydraulic cement composition |
-
1983
- 1983-03-03 IT IT19879/83A patent/IT1161592B/en active
-
1984
- 1984-02-01 US US06/575,733 patent/USH493H/en not_active Abandoned
- 1984-02-24 DE DE19843406745 patent/DE3406745A1/en not_active Withdrawn
- 1984-02-29 NL NL8400642A patent/NL8400642A/en not_active Application Discontinuation
- 1984-02-29 FR FR8403166A patent/FR2541990A1/en not_active Withdrawn
- 1984-03-01 GB GB08405407A patent/GB2138014B/en not_active Expired
- 1984-03-01 SE SE8401151A patent/SE8401151L/en not_active Application Discontinuation
- 1984-03-01 BE BE212480A patent/BE899046A/en unknown
- 1984-03-02 CA CA000448712A patent/CA1217482A/en not_active Expired
- 1984-03-02 CH CH1020/84A patent/CH659241A5/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
USH493H (en) | 1988-07-05 |
CH659241A5 (en) | 1987-01-15 |
IT1161592B (en) | 1987-03-18 |
CA1217482A (en) | 1987-02-03 |
SE8401151D0 (en) | 1984-03-01 |
GB8405407D0 (en) | 1984-04-04 |
FR2541990A1 (en) | 1984-09-07 |
SE8401151L (en) | 1984-09-04 |
IT8319879A0 (en) | 1983-03-03 |
GB2138014A (en) | 1984-10-17 |
GB2138014B (en) | 1986-04-09 |
IT8319879A1 (en) | 1984-09-03 |
NL8400642A (en) | 1984-10-01 |
DE3406745A1 (en) | 1984-09-06 |
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