IL86227A - Cement compositions comprising welan gum - Google Patents

Cement compositions comprising welan gum

Info

Publication number
IL86227A
IL86227A IL86227A IL8622788A IL86227A IL 86227 A IL86227 A IL 86227A IL 86227 A IL86227 A IL 86227A IL 8622788 A IL8622788 A IL 8622788A IL 86227 A IL86227 A IL 86227A
Authority
IL
Israel
Prior art keywords
welan gum
cement compositions
gum
spindle
rpm
Prior art date
Application number
IL86227A
Other languages
English (en)
Other versions
IL86227A0 (en
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
Priority to IL98289A priority Critical patent/IL98289A/xx
Publication of IL86227A0 publication Critical patent/IL86227A0/xx
Priority to IL98289A priority patent/IL98289A0/xx
Publication of IL86227A publication Critical patent/IL86227A/xx

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)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Wood Science & Technology (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)
IL86227A 1987-05-07 1988-04-29 Cement compositions comprising welan gum IL86227A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL98289A IL98289A (en) 1987-05-07 1988-04-29 Welan gum compositions and a process for their preparation
IL98289A IL98289A0 (en) 1987-05-07 1991-05-28 Welan gum compositions and a process for their preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4774887A 1987-05-07 1987-05-07

Publications (2)

Publication Number Publication Date
IL86227A0 IL86227A0 (en) 1988-11-15
IL86227A true IL86227A (en) 1992-08-18

Family

ID=21950739

Family Applications (1)

Application Number Title Priority Date Filing Date
IL86227A IL86227A (en) 1987-05-07 1988-04-29 Cement compositions comprising welan gum

Country Status (12)

Country Link
EP (2) EP0507419B1 (fr)
JP (1) JP2659393B2 (fr)
KR (1) KR960001425B1 (fr)
CN (2) CN1016961B (fr)
AT (2) ATE155531T1 (fr)
AU (1) AU602080B2 (fr)
CA (1) CA1322011C (fr)
DE (2) DE3877411T2 (fr)
DK (1) DK250188A (fr)
IE (1) IE62112B1 (fr)
IL (1) IL86227A (fr)
ZA (1) ZA883170B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0409609B1 (fr) * 1989-07-19 1994-04-13 Takeda Chemical Industries, Ltd. Composition minérale hydraulique et articles moulés à partir de celle-ci
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
WO1996040598A1 (fr) * 1995-06-07 1996-12-19 The Nutrasweet Company Suspension stable d'hydrocolloides et de superplastifiant
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
CA2239864C (fr) * 1995-12-15 2008-04-15 Monsanto Company Procedes permettant d'ameliorer la regulation rheologique dans des systemes cimentaires
WO1997027152A1 (fr) * 1996-01-26 1997-07-31 The Nutrasweet Company Addition de sucre et ou d'acide a des formulations de ciment contenant des polysaccharides anioniques
WO1997027153A1 (fr) * 1996-01-26 1997-07-31 The Nutrasweet Company Augmentation de la teneur en sulfate dans des formulations de type ciment contenant des polysaccharides anioniques afin d'ameliorer les proprietes du ciment
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
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
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
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
EP0507419B1 (fr) 1997-07-16
JP2659393B2 (ja) 1997-09-30
IL86227A0 (en) 1988-11-15
JPS63315547A (ja) 1988-12-23
CN1030446C (zh) 1995-12-06
DE3877411D1 (de) 1993-02-25
EP0507419A1 (fr) 1992-10-07
EP0290198A1 (fr) 1988-11-09
DE3855968D1 (de) 1997-08-21
DK250188A (da) 1989-01-23
ATE84507T1 (de) 1993-01-15
CN1016961B (zh) 1992-06-10
DE3855968T2 (de) 1998-02-19
CN1065259A (zh) 1992-10-14
CN1030224A (zh) 1989-01-11
AU1566488A (en) 1988-11-10
KR960001425B1 (ko) 1996-01-27
DE3877411T2 (de) 1993-06-24
CA1322011C (fr) 1993-09-07
ZA883170B (en) 1988-12-28
KR880013836A (ko) 1988-12-22
IE62112B1 (en) 1994-12-14
ATE155531T1 (de) 1997-08-15
DK250188D0 (da) 1988-05-06
EP0290198B1 (fr) 1993-01-13
IE881375L (en) 1988-11-07
AU602080B2 (en) 1990-09-27

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Legal Events

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