MA32780B1 - Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton - Google Patents

Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton

Info

Publication number
MA32780B1
MA32780B1 MA33826A MA33826A MA32780B1 MA 32780 B1 MA32780 B1 MA 32780B1 MA 33826 A MA33826 A MA 33826A MA 33826 A MA33826 A MA 33826A MA 32780 B1 MA32780 B1 MA 32780B1
Authority
MA
Morocco
Prior art keywords
cellulose ether
reduce
exit
substitution
degree
Prior art date
Application number
MA33826A
Other languages
Arabic (ar)
English (en)
Inventor
Constantinos Xenopoulos
Isabelle Sgro
Original Assignee
Lafarge Sa
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 Lafarge Sa filed Critical Lafarge Sa
Publication of MA32780B1 publication Critical patent/MA32780B1/fr

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
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose 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
    • 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
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/56—Opacifiers
    • C04B2103/58—Shrinkage reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

La présente invention a pour objet l'utilisation pour réduire le retrait plastique et/ou réduire la fissuration plastique dans le béton d'au moins un éther de cellulose présentant soit un degré de substitution en radicaux méthoxy (DSM), soit un degré de substitution (DS) compris de 1,17 à 2,33.
MA33826A 2008-11-14 2011-05-09 Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton MA32780B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0806348A FR2938532B1 (fr) 2008-11-14 2008-11-14 Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton
PCT/FR2009/000858 WO2010055214A1 (fr) 2008-11-14 2009-07-10 Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton

Publications (1)

Publication Number Publication Date
MA32780B1 true MA32780B1 (fr) 2011-11-01

Family

ID=40383748

Family Applications (1)

Application Number Title Priority Date Filing Date
MA33826A MA32780B1 (fr) 2008-11-14 2011-05-09 Utilisation d'au moins un ether de cellulose pour reduire le retrait et/ou la fissuration plastique dans le beton

Country Status (6)

Country Link
US (1) US8282732B2 (fr)
EP (1) EP2358649A1 (fr)
CA (1) CA2743556C (fr)
FR (1) FR2938532B1 (fr)
MA (1) MA32780B1 (fr)
WO (1) WO2010055214A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8430957B2 (en) 2011-06-09 2013-04-30 Hercules Incorporated Low molar, homogeneously substituted HEC for use in cement-based systems
JP5811054B2 (ja) * 2012-07-10 2015-11-11 信越化学工業株式会社 押出成形用水硬性組成物
US9145477B2 (en) 2012-09-25 2015-09-29 Dow Global Technologies Llc Nanocellular thermoplastic foam and process for making the same
ES2731759T3 (es) 2012-10-18 2019-11-18 Dow Global Technologies Llc Mortero con hidroxietil metil celulosa para hormigón autocompactante
JP6206340B2 (ja) * 2014-04-30 2017-10-04 信越化学工業株式会社 コンクリート組成物
FR3064000B1 (fr) * 2017-03-15 2022-09-09 Institut Francais Des Sciences Et Technologies Des Transp De Lamenagement Et Des Reseaux Agent de cure pour formulation cimentaire
CN110655345A (zh) * 2019-10-23 2020-01-07 南京钧正新材料有限公司 改性羟丙基甲基纤维素醚干粉料

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188231A (en) * 1977-06-17 1980-02-12 Valore Rudolph C Methods of preparing iron oxide mortars or cements with admixtures and the resulting products
JPS6017357B2 (ja) * 1979-01-31 1985-05-02 信越化学工業株式会社 セメント系接着剤組成物
US4462836A (en) * 1983-02-15 1984-07-31 Gulf Oil Corporation Cement composition and method of cement casing in a well
JPS60204651A (ja) * 1984-03-29 1985-10-16 信越化学工業株式会社 コンクリ−ト組成物
SE520651C2 (sv) * 2001-12-03 2003-08-05 Akzo Nobel Nv Vattenhaltig cementkomposition
US20050241543A1 (en) * 2004-04-27 2005-11-03 Wolfgang Hagen Cement-based systems using plastification/extrusion auxiliaries prepared from raw cotton linters
KR100824116B1 (ko) * 2006-10-16 2008-04-21 삼성정밀화학 주식회사 셀룰로오스 에테르 및 이를 포함하는 균열 방지용 시멘트모르타르 조성물
JP4725742B2 (ja) * 2007-02-19 2011-07-13 信越化学工業株式会社 水硬性組成物

Also Published As

Publication number Publication date
EP2358649A1 (fr) 2011-08-24
FR2938532A1 (fr) 2010-05-21
WO2010055214A1 (fr) 2010-05-20
CA2743556A1 (fr) 2010-05-20
US20110203488A1 (en) 2011-08-25
CA2743556C (fr) 2017-02-28
US8282732B2 (en) 2012-10-09
FR2938532B1 (fr) 2011-08-12

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