ATE84507T1 - Welan-gummi in zementzusammensetzungen. - Google Patents

Welan-gummi in zementzusammensetzungen.

Info

Publication number
ATE84507T1
ATE84507T1 AT88303835T AT88303835T ATE84507T1 AT E84507 T1 ATE84507 T1 AT E84507T1 AT 88303835 T AT88303835 T AT 88303835T AT 88303835 T AT88303835 T AT 88303835T AT E84507 T1 ATE84507 T1 AT E84507T1
Authority
AT
Austria
Prior art keywords
welan gum
cement compositions
gum
spindle
rpm
Prior art date
Application number
AT88303835T
Other languages
English (en)
Inventor
Floyd L Allen
Glen H Best
Thomas A Lindroth
Original Assignee
Merck & Co Inc
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 Merck & Co Inc filed Critical Merck & Co Inc
Application granted granted Critical
Publication of ATE84507T1 publication Critical patent/ATE84507T1/de

Links

Classifications

    • 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
    • C04B24/34—Natural resins, e.g. rosin
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Molecular Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Polymers & Plastics (AREA)
  • Genetics & Genomics (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)
AT88303835T 1987-05-07 1988-04-28 Welan-gummi in zementzusammensetzungen. ATE84507T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4774887A 1987-05-07 1987-05-07
EP88303835A EP0290198B1 (de) 1987-05-07 1988-04-28 Welan-Gummi in Zementzusammensetzungen

Publications (1)

Publication Number Publication Date
ATE84507T1 true ATE84507T1 (de) 1993-01-15

Family

ID=21950739

Family Applications (2)

Application Number Title Priority Date Filing Date
AT88303835T ATE84507T1 (de) 1987-05-07 1988-04-28 Welan-gummi in zementzusammensetzungen.
AT92201784T ATE155531T1 (de) 1987-05-07 1988-04-28 Welan-gummi von niedriger viskosität, verfahren zu seiner herstellung und seiner verwendung in zementzusammensetzungen.

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT92201784T ATE155531T1 (de) 1987-05-07 1988-04-28 Welan-gummi von niedriger viskosität, verfahren zu seiner herstellung und seiner verwendung in zementzusammensetzungen.

Country Status (12)

Country Link
EP (2) EP0507419B1 (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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0409609B1 (de) * 1989-07-19 1994-04-13 Takeda Chemical Industries, Ltd. Hydraulische anorganische Zusammensetzung und Formteile daraus
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
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
JP2828589B2 (ja) * 1994-01-24 1998-11-25 鹿島建設株式会社 ロックボルト工法
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
JPH11507002A (ja) * 1995-06-07 1999-06-22 ザ・ニユートラスウイート・カンパニー ヒドロコロイドと超可塑剤の安定懸濁系
US6033469A (en) * 1995-07-25 2000-03-07 Dyckerhuff Ag Injection preparation suspension free of sodium bentonite
DE19537616C2 (de) * 1995-07-25 1998-01-22 Dyckerhoff Ag Natriumbentonitfreie Injektionsmittelsuspension
ES2145509T3 (es) * 1995-12-15 2000-07-01 Monsanto Co Procedimientos para mejorar el control reologico en sistemas cementosos.
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
AU8352798A (en) * 1998-07-29 2000-02-21 Holderbank Financiere Glarus Ag Method for producing a liquid additive on the basis of water-soluble, fine-grained polysaccharides, such as microbial or plant biopolymers and/or cellulose derivatives
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE3877411T2 (de) 1993-06-24
CN1016961B (zh) 1992-06-10
AU602080B2 (en) 1990-09-27
EP0507419A1 (de) 1992-10-07
CN1065259A (zh) 1992-10-14
KR880013836A (ko) 1988-12-22
CN1030446C (zh) 1995-12-06
CN1030224A (zh) 1989-01-11
AU1566488A (en) 1988-11-10
CA1322011C (en) 1993-09-07
DK250188D0 (da) 1988-05-06
EP0290198A1 (de) 1988-11-09
ATE155531T1 (de) 1997-08-15
DE3855968D1 (de) 1997-08-21
IL86227A (en) 1992-08-18
DE3877411D1 (de) 1993-02-25
JPS63315547A (ja) 1988-12-23
EP0507419B1 (de) 1997-07-16
EP0290198B1 (de) 1993-01-13
DE3855968T2 (de) 1998-02-19
IE881375L (en) 1988-11-07
ZA883170B (en) 1988-12-28
DK250188A (da) 1989-01-23
IE62112B1 (en) 1994-12-14
KR960001425B1 (ko) 1996-01-27
IL86227A0 (en) 1988-11-15
JP2659393B2 (ja) 1997-09-30

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Legal Events

Date Code Title Description
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee