DE3855968T2 - Welan-Gummi von niedriger Viskosität, Verfahren zu seiner Herstellung und seiner Verwendung in Zementzusammensetzungen. - Google Patents
Welan-Gummi von niedriger Viskosität, Verfahren zu seiner Herstellung und seiner Verwendung in Zementzusammensetzungen.Info
- Publication number
- DE3855968T2 DE3855968T2 DE3855968T DE3855968T DE3855968T2 DE 3855968 T2 DE3855968 T2 DE 3855968T2 DE 3855968 T DE3855968 T DE 3855968T DE 3855968 T DE3855968 T DE 3855968T DE 3855968 T2 DE3855968 T2 DE 3855968T2
- Authority
- DE
- Germany
- Prior art keywords
- low viscosity
- preparation
- cement compositions
- viscosity welan
- rubber
- 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 - Fee Related
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
- C04B24/34—Natural resins, e.g. rosin
-
- 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
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Zoology (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Polymers & Plastics (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4774887A | 1987-05-07 | 1987-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3855968D1 DE3855968D1 (de) | 1997-08-21 |
DE3855968T2 true DE3855968T2 (de) | 1998-02-19 |
Family
ID=21950739
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888303835T Expired - Fee Related DE3877411T2 (de) | 1987-05-07 | 1988-04-28 | Welan-gummi in zementzusammensetzungen. |
DE3855968T Expired - Fee Related DE3855968T2 (de) | 1987-05-07 | 1988-04-28 | Welan-Gummi von niedriger Viskosität, Verfahren zu seiner Herstellung und seiner Verwendung in Zementzusammensetzungen. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888303835T Expired - Fee Related DE3877411T2 (de) | 1987-05-07 | 1988-04-28 | Welan-gummi in zementzusammensetzungen. |
Country Status (12)
Country | Link |
---|---|
EP (2) | EP0290198B1 (de) |
JP (1) | JP2659393B2 (de) |
KR (1) | KR960001425B1 (de) |
CN (2) | CN1016961B (de) |
AT (2) | ATE84507T1 (de) |
AU (1) | AU602080B2 (de) |
CA (1) | CA1322011C (de) |
DE (2) | DE3877411T2 (de) |
DK (1) | DK250188A (de) |
IE (1) | IE62112B1 (de) |
IL (1) | IL86227A (de) |
ZA (1) | ZA883170B (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR910002730A (ko) * | 1989-07-19 | 1991-02-26 | 우메모토 요시마사 | 수경성(水硬性) 무기 조성물 및 그것의 성형제품 |
US5175277A (en) * | 1991-03-20 | 1992-12-29 | Merck & Co., Inc. | Rapidly hydrating welan gum |
US5180430A (en) * | 1991-10-16 | 1993-01-19 | W.R. Grace & Co.-Conn. | Concrete surface air void reduction admixture |
JP2923920B2 (ja) * | 1993-11-08 | 1999-07-26 | 鹿島建設株式会社 | コンクリート施工法 |
JP2828589B2 (ja) * | 1994-01-24 | 1998-11-25 | 鹿島建設株式会社 | ロックボルト工法 |
JP2805582B2 (ja) * | 1994-01-24 | 1998-09-30 | 鹿島建設株式会社 | プレストレストコンクリートの製法 |
JPH08109053A (ja) * | 1994-10-06 | 1996-04-30 | N M B:Kk | スリップフォーム工法用セメント添加剤 |
WO1996040598A1 (en) * | 1995-06-07 | 1996-12-19 | The Nutrasweet Company | Stable suspension of hydrocolloids and superplasticizer |
DE19537616C2 (de) * | 1995-07-25 | 1998-01-22 | Dyckerhoff Ag | Natriumbentonitfreie Injektionsmittelsuspension |
US6033469A (en) * | 1995-07-25 | 2000-03-07 | Dyckerhuff Ag | Injection preparation suspension free of sodium bentonite |
JP4642160B2 (ja) * | 1995-12-15 | 2011-03-02 | モンサント・カンパニー | セメント系における改善された流動学的性質の制御方法 |
WO1997027153A1 (en) * | 1996-01-26 | 1997-07-31 | The Nutrasweet Company | Sulfate elevation in anionic polysaccharide-containing cementitious formulations for enhanced cement performance |
WO1997027152A1 (en) * | 1996-01-26 | 1997-07-31 | The Nutrasweet Company | Sugar and/or acid addition to anionic polysaccharide-containing cementitious formulations |
FR2747702B1 (fr) | 1996-04-18 | 1998-05-29 | Inst Francais Du Petrole | Procede et laitier de ciment utilisant des galactomannanes modifies hydrophobiquement comme reducteur de filtrat |
AT406156B (de) * | 1996-08-13 | 2000-03-27 | Tulln Zuckerforschung Gmbh | Zusatzmittel für spritzbeton |
AT406048B (de) * | 1997-07-18 | 2000-01-25 | Cement Intellectual Property L | Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichem welan gum |
AT406047B (de) * | 1997-07-18 | 2000-01-25 | Cement Intellectual Property L | Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichen, feinkörnigen polysacchariden, wie z.b. mikrobiellen oder pflanzlichen biopolymeren und/oder cellulosederivaten |
WO2000006631A1 (de) * | 1998-07-29 | 2000-02-10 | Holderbank Financiere Glarus Ag | Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichen, feinkörnigen polysacchariden, wie z.b. mikrobiellen oder pflanzlichen biopolymeren und/oder cellulosederivaten |
DE10065843A1 (de) * | 2000-12-29 | 2002-07-11 | Alpha Bioverfahrenstechnik Gmb | Einschlussimmobilisierung |
CN100404558C (zh) * | 2006-03-24 | 2008-07-23 | 张禹 | 温轮胶的制备方法 |
CN101074352B (zh) * | 2006-05-18 | 2010-04-14 | 中国石油天然气集团公司 | 海底油气管道用补口材料 |
CN102372459B (zh) * | 2010-08-24 | 2014-06-25 | 上海台界化工有限公司 | 一种提高混凝土和易性的方法 |
JP5875390B2 (ja) * | 2012-02-01 | 2016-03-02 | 鹿島建設株式会社 | 高温での水中不分離性に優れた可塑性セメント系混練物 |
CN106167695B (zh) * | 2016-07-25 | 2019-01-22 | 中国石油化工股份有限公司 | 油田修井用化学堵剂 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1425822A (en) * | 1972-01-28 | 1976-02-18 | Fosroc Ag | Cementitious compositions |
JPS5240330A (en) * | 1975-09-27 | 1977-03-29 | Fuji Photo Film Co Ltd | Collapsible camera |
US4095987A (en) * | 1976-12-29 | 1978-06-20 | Texaco Inc. | Method of and composition for cementing oil wells |
US4342866A (en) * | 1979-09-07 | 1982-08-03 | Merck & Co., Inc. | Heteropolysaccharide S-130 |
-
1988
- 1988-04-28 DE DE8888303835T patent/DE3877411T2/de not_active Expired - Fee Related
- 1988-04-28 AT AT88303835T patent/ATE84507T1/de not_active IP Right Cessation
- 1988-04-28 EP EP88303835A patent/EP0290198B1/de not_active Expired - Lifetime
- 1988-04-28 EP EP92201784A patent/EP0507419B1/de not_active Expired - Lifetime
- 1988-04-28 DE DE3855968T patent/DE3855968T2/de not_active Expired - Fee Related
- 1988-04-28 AT AT92201784T patent/ATE155531T1/de not_active IP Right Cessation
- 1988-04-29 IL IL86227A patent/IL86227A/xx not_active IP Right Cessation
- 1988-05-04 ZA ZA883170A patent/ZA883170B/xx unknown
- 1988-05-05 CA CA000566016A patent/CA1322011C/en not_active Expired - Fee Related
- 1988-05-06 DK DK250188A patent/DK250188A/da not_active Application Discontinuation
- 1988-05-06 AU AU15664/88A patent/AU602080B2/en not_active Ceased
- 1988-05-06 IE IE137588A patent/IE62112B1/en not_active IP Right Cessation
- 1988-05-06 CN CN88102719A patent/CN1016961B/zh not_active Expired
- 1988-05-06 KR KR1019880005239A patent/KR960001425B1/ko not_active IP Right Cessation
- 1988-05-06 JP JP63109273A patent/JP2659393B2/ja not_active Expired - Lifetime
-
1992
- 1992-02-08 CN CN92100811A patent/CN1030446C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DK250188D0 (da) | 1988-05-06 |
ATE84507T1 (de) | 1993-01-15 |
ATE155531T1 (de) | 1997-08-15 |
CA1322011C (en) | 1993-09-07 |
IE881375L (en) | 1988-11-07 |
CN1065259A (zh) | 1992-10-14 |
JP2659393B2 (ja) | 1997-09-30 |
DK250188A (da) | 1989-01-23 |
CN1016961B (zh) | 1992-06-10 |
EP0507419A1 (de) | 1992-10-07 |
IL86227A0 (en) | 1988-11-15 |
IL86227A (en) | 1992-08-18 |
EP0290198B1 (de) | 1993-01-13 |
EP0290198A1 (de) | 1988-11-09 |
IE62112B1 (en) | 1994-12-14 |
ZA883170B (en) | 1988-12-28 |
AU602080B2 (en) | 1990-09-27 |
CN1030224A (zh) | 1989-01-11 |
DE3877411T2 (de) | 1993-06-24 |
EP0507419B1 (de) | 1997-07-16 |
DE3877411D1 (de) | 1993-02-25 |
CN1030446C (zh) | 1995-12-06 |
KR960001425B1 (ko) | 1996-01-27 |
KR880013836A (ko) | 1988-12-22 |
AU1566488A (en) | 1988-11-10 |
JPS63315547A (ja) | 1988-12-23 |
DE3855968D1 (de) | 1997-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |