AU700374B2 - Improved cement admixture product - Google Patents

Improved cement admixture product Download PDF

Info

Publication number
AU700374B2
AU700374B2 AU64593/96A AU6459396A AU700374B2 AU 700374 B2 AU700374 B2 AU 700374B2 AU 64593/96 A AU64593/96 A AU 64593/96A AU 6459396 A AU6459396 A AU 6459396A AU 700374 B2 AU700374 B2 AU 700374B2
Authority
AU
Australia
Prior art keywords
cement
polymer
group
admixture
mixtures
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.)
Ceased
Application number
AU64593/96A
Other languages
English (en)
Other versions
AU6459396A (en
Inventor
David Charles Darwin
Ellis Martin Gartner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co Conn
Original Assignee
WR Grace and Co Conn
WR Grace and Co
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 WR Grace and Co Conn, WR Grace and Co filed Critical WR Grace and Co Conn
Publication of AU6459396A publication Critical patent/AU6459396A/en
Application granted granted Critical
Publication of AU700374B2 publication Critical patent/AU700374B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/48—Isomerisation; Cyclisation
    • 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
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2641—Polyacrylates; Polymethacrylates
    • C04B24/2647—Polyacrylates; Polymethacrylates containing polyether side chains
    • 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
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2652—Nitrogen containing polymers, e.g. polyacrylamides, polyacrylonitriles
    • C04B24/2658—Nitrogen containing polymers, e.g. polyacrylamides, polyacrylonitriles containing polyether side chains
    • 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
    • C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/2688—Copolymers containing at least three different monomers
    • C04B24/2694—Copolymers containing at least three different monomers containing polyether side chains
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
    • C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
AU64593/96A 1995-07-24 1996-07-10 Improved cement admixture product Ceased AU700374B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/505,985 US5665158A (en) 1995-07-24 1995-07-24 Cement admixture product
US08/505985 1995-07-24
PCT/US1996/011505 WO1997003929A1 (en) 1995-07-24 1996-07-10 Improved cement admixture product

Publications (2)

Publication Number Publication Date
AU6459396A AU6459396A (en) 1997-02-18
AU700374B2 true AU700374B2 (en) 1999-01-07

Family

ID=24012698

Family Applications (1)

Application Number Title Priority Date Filing Date
AU64593/96A Ceased AU700374B2 (en) 1995-07-24 1996-07-10 Improved cement admixture product

Country Status (11)

Country Link
US (2) US5665158A (enExample)
EP (1) EP0840712B1 (enExample)
JP (1) JP3995264B2 (enExample)
CN (2) CN1110462C (enExample)
AU (1) AU700374B2 (enExample)
BR (1) BR9609687A (enExample)
CA (1) CA2227901C (enExample)
DE (1) DE69631885T2 (enExample)
TR (1) TR199800108T1 (enExample)
WO (1) WO1997003929A1 (enExample)
ZA (1) ZA965887B (enExample)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5640611A (en) * 1992-07-28 1997-06-17 Nikon Corporation Camera having an image blur suppression device
JP3184728B2 (ja) * 1995-02-20 2001-07-09 花王株式会社 石膏・水スラリー用分散剤
BR9806913A (pt) * 1997-01-21 2000-04-18 Grace W R & Co Composição emulsificada de polìmetro tipo pente e agente antiespumante e processo de produção da mesma.
ATE254093T1 (de) 1998-08-14 2003-11-15 Constr Res & Tech Gmbh Zement-mischung für trockenguss
ATE228105T1 (de) 1998-08-14 2002-12-15 Mbt Holding Ag Zementmischungen mit hohem pozzolangehalt
US6258162B1 (en) * 1998-10-22 2001-07-10 Nippon Shokubai Co., Ltd. Cement composition
US6310143B1 (en) 1998-12-16 2001-10-30 Mbt Holding Ag Derivatized polycarboxylate dispersants
US6133347A (en) 1999-07-09 2000-10-17 Mbt Holding Ag Oligomeric dispersant
US6861459B2 (en) * 1999-07-09 2005-03-01 Construction Research & Technology Gmbh Oligomeric dispersant
US6908955B2 (en) * 1999-07-09 2005-06-21 Construction Research & Technology Gmbh Oligomeric dispersant
MX238784B (es) 1999-12-10 2006-07-19 Constr Res & Tech Gmbh Despumadores solubilzados para composiciones de cemento.
US20030187100A1 (en) * 1999-12-10 2003-10-02 Mbt Holding Ag Water soluble air controlling agents for cementitious compositions
US6875801B2 (en) 1999-12-10 2005-04-05 Construction Research & Technology Gmbh Solubilized defoamers for cementitious compositions
US8088842B2 (en) * 1999-12-10 2012-01-03 Construction Research & Technology Gmbh Solubilized defoamers for cementitious compositions
EP1138696A1 (en) 2000-03-29 2001-10-04 Sika AG, vorm. Kaspar Winkler & Co. Polymers for cement dispersing admixtures
WO2002070428A1 (en) * 2001-03-01 2002-09-12 The Trustees Of Columbia University In The City Of New York Admixture to improve consolidation of cement composition with low moisture content
US20040106704A1 (en) * 2001-09-18 2004-06-03 Christian Meyer Admixture to improve rheological property of composition comprising a mixture of hydraulic cement and alumino-silicate mineral admixture
US6858074B2 (en) * 2001-11-05 2005-02-22 Construction Research & Technology Gmbh High early-strength cementitious composition
EP1319676A1 (de) * 2001-12-14 2003-06-18 Cognis Iberia, S.L. Anionpolymere
EP1487756B1 (en) * 2002-03-27 2009-08-05 United States Gypsum Company High molecular weight additives for calcined gypsum and cementitious compositions
US7338990B2 (en) * 2002-03-27 2008-03-04 United States Gypsum Company High molecular weight additives for calcined gypsum and cementitious compositions
US20040226620A1 (en) * 2002-09-26 2004-11-18 Daniel Therriault Microcapillary networks
US8002890B2 (en) * 2002-10-11 2011-08-23 Advanced Technology Co., Ltd. Mortar composition
US7053125B2 (en) * 2002-11-14 2006-05-30 The Board Of Trustees Of The University Of Illinois Controlled dispersion of colloidal suspension by comb polymers
US20040149174A1 (en) * 2003-02-05 2004-08-05 Mbt Holding Ag Accelerating admixture for concrete
EP1603846B1 (en) 2003-02-26 2012-07-11 Construction Research & Technology GmbH Strength improvement admixture
WO2004085548A2 (en) 2003-03-27 2004-10-07 Construction Research & Technology Gmbh Liquid coloring suspension
US20040211342A1 (en) * 2003-04-25 2004-10-28 Mbt Holding Ag Rheology stabilizer for cementitious compositions
TWI259831B (en) * 2003-05-07 2006-08-11 Nippon Catalytic Chem Ind Cement admixture and cement admixture composite
ATE401490T1 (de) * 2003-05-14 2008-08-15 Schlumberger Technology Bv Selbstadaptierende zementsysteme
US8469095B2 (en) * 2003-05-14 2013-06-25 Schlumberger Technology Corporation Self adaptive cement systems
US7141617B2 (en) * 2003-06-17 2006-11-28 The Board Of Trustees Of The University Of Illinois Directed assembly of three-dimensional structures with micron-scale features
US7556684B2 (en) * 2004-02-26 2009-07-07 Construction Research & Technology Gmbh Amine containing strength improvement admixture
CN1976881B (zh) * 2004-06-15 2010-12-08 三菱总合材料建材株式会社 水泥类挤压成形用组合物及其制品
BRPI0512064A (pt) 2004-06-15 2008-02-06 Constr Res & Tech Gmbh fornecimento de resistência ao congelamento e descongelamento para composições de cimentos
US7544242B2 (en) 2005-06-14 2009-06-09 United States Gypsum Company Effective use of dispersants in wallboard containing foam
US7875114B2 (en) * 2005-06-14 2011-01-25 United States Gypsum Company Foamed slurry and building panel made therefrom
US20060278127A1 (en) * 2005-06-14 2006-12-14 United States Gypsum Company Gypsum products utilizing a two-repeating unit dispersant and a method for making them
CN101198563A (zh) 2005-06-14 2008-06-11 建筑研究及技术有限责任公司 将冻结和解冻抗性提供给粘结性组合物
US7572328B2 (en) * 2005-06-14 2009-08-11 United States Gypsum Company Fast drying gypsum products
US8088218B2 (en) * 2005-06-14 2012-01-03 United States Gypsum Company Foamed slurry and building panel made therefrom
EP1896374B1 (en) * 2005-06-14 2018-12-26 United States Gypsum Company Gypsum slurry utilizing a two-repeating unit dispersant
US20060280899A1 (en) * 2005-06-14 2006-12-14 United States Gypsum Company Method of making a gypsum slurry with modifiers and dispersants
US20060278128A1 (en) * 2005-06-14 2006-12-14 United States Gypsum Company Effective use of dispersants in wallboard containing foam
US20060280898A1 (en) 2005-06-14 2006-12-14 United States Gypsum Company Modifiers for gypsum slurries and method of using them
US7504165B2 (en) * 2005-06-14 2009-03-17 United States Gypsum Company High strength flooring compositions
US7815731B2 (en) 2006-06-13 2010-10-19 Sekisui Specialty Chemicals America, Llc Polyvinyl alcohol fluid loss additive with improved rheological properties
US7956102B2 (en) * 2007-04-09 2011-06-07 The Board Of Trustees Of The University Of Illinois Sol-gel inks
US7670427B2 (en) * 2007-06-06 2010-03-02 United States Gypsum Company Very fast setting cementitious composition with high early-age compressive strength
EP2020422A1 (de) 2007-07-31 2009-02-04 Sika Technology AG Emulgierende Polymere und deren Verwendung
CN101778805A (zh) 2007-08-10 2010-07-14 建筑研究和技术有限公司 用于干铸胶凝组合物的流变改性添加剂
EP2072479A1 (de) 2007-12-20 2009-06-24 Sika Technology AG Reaktivierung von verzögerten zementösen Systemen
ES2402670T3 (es) 2007-12-20 2013-05-07 Sika Technology Ag Acelerador para la reactivación de sistemas cementosos retardados
EP2090596A1 (de) * 2008-02-13 2009-08-19 Construction Research and Technology GmbH Copolymer mit Polyetherseitenketten und Hydroxyalkyl- und Säurebausteinen
EP2128110B1 (de) 2008-05-29 2016-08-17 Sika Technology AG Zusatzmittel für hydraulische Bindemittel mit langer Verarbeitungszeit und hoher Frühfestigkeit
US8519029B2 (en) 2008-06-16 2013-08-27 Construction Research & Technology Gmbh Copolymer admixture system for workability retention of cementitious compositions
US7922939B2 (en) * 2008-10-03 2011-04-12 The Board Of Trustees Of The University Of Illinois Metal nanoparticle inks
US8187500B2 (en) * 2008-10-17 2012-05-29 The Board Of Trustees Of The University Of Illinois Biphasic inks
FR2939128B1 (fr) * 2008-12-03 2010-11-12 Coatex Sas Utilisation d'une combinaison de polymeres peignes comme agent ameliorant la maniabilite d'une formulation aqueuse a base de liants hydrauliques.
WO2010105979A1 (de) 2009-03-19 2010-09-23 Henkel Ag & Co. Kgaa Polymermodifizierter zement
US20110015306A1 (en) 2009-07-15 2011-01-20 US Concrete, Inc. Cementitious compositions for decreasing the rate of water vapor emissions from concrete and methods for preparing and using the same
US9133058B2 (en) 2009-07-15 2015-09-15 U.S. Concrete, Inc. Cementitious compositions for decreasing the rate of water vapor emissions from concrete and methods for preparing and using the same
US8187376B2 (en) 2010-05-25 2012-05-29 W. R. Grace & Co.-Conn. Defoamers for hydratable cementitious compositions
EP2686356B1 (en) 2011-03-14 2016-06-15 Lubrizol Advanced Materials, Inc. Polymer and compositions thereof
RU2473492C1 (ru) * 2011-09-14 2013-01-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Казанский государственный архитектурно-строительный университет" (КГАСУ) Мелкозернистый бетон
RU2473493C1 (ru) * 2011-09-14 2013-01-27 Федеральное государственное образовательное учреждение высшего профессионального образования "Казанский государственный архитектурно-строительный университет" (КГАСУ) Мелкозернистый бетон
DE102011089535A1 (de) 2011-12-22 2013-06-27 Evonik Industries Ag Entschäumerzusammensetzungen für Baustoffmischungen
CA2879671A1 (en) 2012-07-20 2014-01-23 U.S. Concrete, Inc. Accelerated drying concrete compositions and methods of manufacturing thereof
US8845940B2 (en) 2012-10-25 2014-09-30 Carboncure Technologies Inc. Carbon dioxide treatment of concrete upstream from product mold
US9328027B2 (en) 2012-12-21 2016-05-03 Hanson Aggregates LLC Fast-curing pervious concrete mix
AU2014212083A1 (en) 2013-02-04 2015-08-06 Coldcrete, Inc. System and method of applying carbon dioxide during the production of concrete
US9598850B2 (en) 2013-03-14 2017-03-21 Forterra Pipe & Precast, Llc Precast stormwater inlet filter and trap
US9108883B2 (en) 2013-06-25 2015-08-18 Carboncure Technologies, Inc. Apparatus for carbonation of a cement mix
US9388072B2 (en) 2013-06-25 2016-07-12 Carboncure Technologies Inc. Methods and compositions for concrete production
US9376345B2 (en) 2013-06-25 2016-06-28 Carboncure Technologies Inc. Methods for delivery of carbon dioxide to a flowable concrete mix
US10927042B2 (en) 2013-06-25 2021-02-23 Carboncure Technologies, Inc. Methods and compositions for concrete production
US20160107939A1 (en) 2014-04-09 2016-04-21 Carboncure Technologies Inc. Methods and compositions for concrete production
WO2015123769A1 (en) 2014-02-18 2015-08-27 Carboncure Technologies, Inc. Carbonation of cement mixes
CA2943791C (en) 2014-04-07 2023-09-05 Carboncure Technologies Inc. Integrated carbon dioxide capture
WO2015177232A1 (de) 2014-05-21 2015-11-26 Sika Technology Ag Beschleuniger für hydraulische bindemittel mit langer verarbeitungszeit und sehr hoher frühfestigkeit
WO2017177324A1 (en) 2016-04-11 2017-10-19 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water
CA3068082A1 (en) 2017-06-20 2018-12-27 Carboncure Technologies Inc. Methods and compositions for treatment of concrete wash water
MX2019015813A (es) 2017-06-28 2020-02-07 Gcp Applied Tech Inc Resistencia precoz para mejorar la mezcla de concreto.
US12421169B2 (en) 2019-04-26 2025-09-23 Carboncure Technologies Inc. Carbonation of concrete aggregates
AU2023265024A1 (en) 2022-05-03 2024-11-21 Schlumberger Technology B.V. Repairing micro annulus for self-healing cements

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246374A (en) * 1979-04-23 1981-01-20 Rohm And Haas Company Imidized acrylic polymers
JPS5757706A (en) * 1980-09-25 1982-04-07 Nippon Shokubai Kagaku Kogyo Co Ltd Novel copolymer and its production
DE3260845D1 (en) * 1981-01-16 1984-11-08 Nippon Catalytic Chem Ind Copolymer and method for manufacture thereof
JPS58147413A (ja) * 1982-02-26 1983-09-02 Nippon Shokubai Kagaku Kogyo Co Ltd 新規水溶性共重合体及びその製造法
US4874817A (en) * 1982-05-07 1989-10-17 E. I. Du Pont De Nemours And Company Compositions of imidized acrylic polymers and polyamides
JPH0643469B2 (ja) * 1983-03-25 1994-06-08 花王株式会社 マレイン酸共重合体の製造方法
US4653584A (en) * 1985-05-30 1987-03-31 The Standard Oil Company Maleimide-modified bioresistant polymers and enhanced oil recovery method employing same
JPS6270250A (ja) * 1985-09-24 1987-03-31 株式会社日本触媒 セメント配合物用スランプロス防止剤
JPS6278137A (ja) * 1985-10-01 1987-04-10 株式会社日本触媒 セメント分散性能を有するスランプロス防止剤
CA1279747C (en) * 1986-01-23 1991-01-29 Hisao Anzai Methacrylate resin composition and process for its preparation
US4885345A (en) * 1986-02-24 1989-12-05 Nalco Chemical Company Alkoxylated/cationically modified amide-containing polymers
IT1201137B (it) * 1987-01-14 1989-01-27 Vedril Spa Polimeri acrilici immidizzati e procedimento per la loro preparazione
JP2541218B2 (ja) * 1987-05-15 1996-10-09 日本油脂株式会社 セメント用添加剤
IT1216757B (it) * 1988-02-25 1990-03-08 Vedril Spa Procedimento per la preparazione di polimeri acrilici immidizzati.
JP2676854B2 (ja) * 1988-12-16 1997-11-17 日本油脂株式会社 ポリオキシアルキレン不飽和エーテルーマレイン酸エステル共重合体およびその用途
DE59006742D1 (de) * 1989-05-17 1994-09-15 Sika Ag Wasserlösliche Copolymere, ein Verfahren zu ihrer Herstellung und ihre Verwendung als Fliessmittel in Feststoffsuspensionen.
JP2811336B2 (ja) * 1989-11-06 1998-10-15 株式会社エヌエムビー 新規なセメント分散剤
JP2836875B2 (ja) * 1989-12-27 1998-12-14 株式会社クラレ イミド化アクリル樹脂の製造方法
JPH0647788A (ja) * 1992-07-28 1994-02-22 Shin Etsu Polymer Co Ltd 半導電性シリコーンゴムロールの製造方法
AT399340B (de) * 1993-02-01 1995-04-25 Chemie Linz Gmbh Copolymere auf basis von maleinsäurederivaten und vinylmonomeren, deren herstellung und verwendung
US5393343A (en) * 1993-09-29 1995-02-28 W. R. Grace & Co.-Conn. Cement and cement composition having improved rheological properties
CN1041709C (zh) * 1993-09-29 1999-01-20 格雷斯公司 具有改善流变性的改性水泥添加剂产品及其制备方法
US5634966A (en) * 1995-07-19 1997-06-03 W.R. Grace & Co.-Conn. Nitrite-based corrosion inhibitors with improved anodic and cathodic inhibiting performance
US5840114A (en) * 1995-06-21 1998-11-24 W. R. Grace & Co.-Conn. High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same

Also Published As

Publication number Publication date
US5665158A (en) 1997-09-09
CN1438198A (zh) 2003-08-27
CN1110462C (zh) 2003-06-04
WO1997003929A1 (en) 1997-02-06
EP0840712A4 (en) 1999-12-01
CA2227901C (en) 2002-09-24
US5725657A (en) 1998-03-10
EP0840712A1 (en) 1998-05-13
JPH11510134A (ja) 1999-09-07
AU6459396A (en) 1997-02-18
DE69631885D1 (de) 2004-04-22
CN1196714A (zh) 1998-10-21
BR9609687A (pt) 1999-07-06
CA2227901A1 (en) 1997-02-06
EP0840712B1 (en) 2004-03-17
TR199800108T1 (xx) 1998-05-21
ZA965887B (en) 1998-01-12
DE69631885T2 (de) 2005-01-05
JP3995264B2 (ja) 2007-10-24

Similar Documents

Publication Publication Date Title
AU700374B2 (en) Improved cement admixture product
US5393343A (en) Cement and cement composition having improved rheological properties
US5728207A (en) Cement admixture product having improved rheological properties and process of forming same
US5753744A (en) Cement and cement composition having improved rheological properties
AU714309B2 (en) High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same
KR910006893B1 (ko) 시멘트용 분산제 및 그 제조방법 및 이 시멘트용 분산제를 사용하는 수경성 시멘트 조성물에의 유동성 부여방법
US20110136944A1 (en) Copolymers based on unsaturated mono- or dicarboxylic acid derivatives and oxyalkyleneglycol-alkenyl ethers, processes for the production and use thereof
JP2507280B2 (ja) セメント用分散剤
US20120046392A9 (en) Dynamic Copolymers For Workability Retention of Cementitious Composition
AU718095B2 (en) Mortar admixtures and method of preparing same
JP2009520843A (ja) 不飽和モノカルボン酸誘導体またはジカルボン酸誘導体およびオキシアルキレングリコール−アルケニルエーテルをベースとするコポリマー、その製造法およびその使用
CN112708045B (zh) 一种低敏感超早强型聚羧酸减水剂及其制备方法
EP1404753A4 (en) DRAINER FOR WATER SPILLAGE ADDITIVE
US4473406A (en) Cementiferous compositions
EP0097513A1 (en) Cementiferous compositions
JP2005075701A (ja) 水硬性組成物
HK1016148A (en) Improved cement admixture product
WO1996026976A1 (en) Thermoplastic block copolymer with inherent anti-fog properties