DE69803847T2 - Verflüssigungsmittel für zement auf stärkesulfatbasis - Google Patents
Verflüssigungsmittel für zement auf stärkesulfatbasisInfo
- Publication number
- DE69803847T2 DE69803847T2 DE69803847T DE69803847T DE69803847T2 DE 69803847 T2 DE69803847 T2 DE 69803847T2 DE 69803847 T DE69803847 T DE 69803847T DE 69803847 T DE69803847 T DE 69803847T DE 69803847 T2 DE69803847 T2 DE 69803847T2
- Authority
- DE
- Germany
- Prior art keywords
- liquidifier
- based cement
- sulfate based
- starch sulfate
- starch
- 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 - Lifetime
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
- C08B31/02—Esters
- C08B31/06—Esters of inorganic acids
- C08B31/063—Starch 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
- C04B24/16—Sulfur-containing compounds
- C04B24/161—Macromolecular compounds comprising sulfonate or sulfate groups
- C04B24/168—Polysaccharide derivatives, e.g. starch sulfate
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Structural Engineering (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT97MI001044A IT1291309B1 (it) | 1997-05-06 | 1997-05-06 | Fluidificanti cementizi a base di amidi solfati |
PCT/EP1998/002651 WO1998050320A1 (en) | 1997-05-06 | 1998-05-05 | Cement fluidifiers having a starch sulphate base |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69803847D1 DE69803847D1 (de) | 2002-03-21 |
DE69803847T2 true DE69803847T2 (de) | 2002-08-29 |
Family
ID=11377072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69803847T Expired - Lifetime DE69803847T2 (de) | 1997-05-06 | 1998-05-05 | Verflüssigungsmittel für zement auf stärkesulfatbasis |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0983212B1 (de) |
AU (1) | AU8103498A (de) |
DE (1) | DE69803847T2 (de) |
IT (1) | IT1291309B1 (de) |
WO (1) | WO1998050320A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19921175A1 (de) * | 1999-05-07 | 2000-11-16 | Heidelberger Bauchemie Gmbh | Substituierte Polysaccharidsulfate, Verfahren zur Herstellung und ihre Anwendung als Hochleistungsfließmittel für Zementmischungen |
CN101723860B (zh) * | 2009-12-08 | 2013-04-24 | 上虞吉龙化学建材有限公司 | 一种萘系减水剂的制备方法 |
CN102627523A (zh) * | 2012-03-23 | 2012-08-08 | 辽宁岩砂晶建材有限公司 | 萘系高效减水剂生产中萘回收方法及其所需系统 |
CN105731856B (zh) * | 2016-03-30 | 2018-01-19 | 河海大学 | 一种淀粉基混凝土减水剂的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1161592B (it) * | 1983-03-03 | 1987-03-18 | Boston Spa | Polisaccaridi alchilsolfonati ad attivita' fluidificante e matle e calcestruzzi contenenti detti polisaccaridi |
DE4203530A1 (de) * | 1992-02-07 | 1993-08-12 | Wolff Walsrode Ag | Verwendung von wasserloeslichen sulfoalkylderivaten der cellulose in gips- und zementhaltigen massen |
TR27111A (tr) * | 1992-06-06 | 1994-11-09 | Hoechst Ag | Sulfoakil grubu ihtiva eden alkilhidroksialkil selüloz eterleri. |
DE4407499A1 (de) * | 1993-03-10 | 1994-09-15 | Sandoz Ag | Verflüssiger für Zementmischungen |
-
1997
- 1997-05-06 IT IT97MI001044A patent/IT1291309B1/it active IP Right Grant
-
1998
- 1998-05-05 AU AU81034/98A patent/AU8103498A/en not_active Abandoned
- 1998-05-05 EP EP98930673A patent/EP0983212B1/de not_active Expired - Lifetime
- 1998-05-05 WO PCT/EP1998/002651 patent/WO1998050320A1/en active IP Right Grant
- 1998-05-05 DE DE69803847T patent/DE69803847T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ITMI971044A1 (it) | 1998-11-06 |
EP0983212A1 (de) | 2000-03-08 |
ITMI971044A0 (de) | 1997-05-06 |
EP0983212B1 (de) | 2002-02-13 |
WO1998050320A1 (en) | 1998-11-12 |
DE69803847D1 (de) | 2002-03-21 |
IT1291309B1 (it) | 1999-01-07 |
AU8103498A (en) | 1998-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |