IT8220323A0 - Agente per ridurre la quantita' di acqua in un cemento riducendo anche la quantita' di aria. - Google Patents

Agente per ridurre la quantita' di acqua in un cemento riducendo anche la quantita' di aria.

Info

Publication number
IT8220323A0
IT8220323A0 IT8220323A IT2032382A IT8220323A0 IT 8220323 A0 IT8220323 A0 IT 8220323A0 IT 8220323 A IT8220323 A IT 8220323A IT 2032382 A IT2032382 A IT 2032382A IT 8220323 A0 IT8220323 A0 IT 8220323A0
Authority
IT
Italy
Prior art keywords
cement
agent
reducing
reduce
air
Prior art date
Application number
IT8220323A
Other languages
English (en)
Other versions
IT1153966B (it
Inventor
Arnold Morry Rosenberg
James Michael Gaidis
Lawrence Joseph Kindt
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Publication of IT8220323A0 publication Critical patent/IT8220323A0/it
Application granted granted Critical
Publication of IT1153966B publication Critical patent/IT1153966B/it

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
    • C04B24/16—Sulfur-containing compounds
    • C04B24/18—Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
    • 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

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)
IT20323/82A 1981-04-15 1982-03-22 Agente per ridurre la quantita' di acqua in un cemento riducendo anche la quantita' di aria IT1153966B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/254,235 US4351671A (en) 1981-04-15 1981-04-15 Water reducing agent with reduced air

Publications (2)

Publication Number Publication Date
IT8220323A0 true IT8220323A0 (it) 1982-03-22
IT1153966B IT1153966B (it) 1987-01-21

Family

ID=22963467

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20323/82A IT1153966B (it) 1981-04-15 1982-03-22 Agente per ridurre la quantita' di acqua in un cemento riducendo anche la quantita' di aria

Country Status (16)

Country Link
US (1) US4351671A (it)
JP (1) JPS57170855A (it)
KR (1) KR860001756B1 (it)
AR (1) AR226968A1 (it)
AU (1) AU546030B2 (it)
BR (1) BR8108239A (it)
DE (1) DE3212487A1 (it)
FR (1) FR2504118A1 (it)
GB (1) GB2096591B (it)
HK (1) HK78584A (it)
IT (1) IT1153966B (it)
MY (1) MY8500692A (it)
NZ (1) NZ199063A (it)
PH (1) PH17435A (it)
SG (1) SG45684G (it)
ZA (1) ZA818251B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452978B (sv) * 1983-12-13 1988-01-04 Berol Kemi Ab Forfarande for framstellning av en cementbaserad komposition
NO860350L (no) * 1985-09-03 1987-03-04 Hoerling Ludwig Chem Middel for tilsetning til betong- og moertelblandinger og fremgangsmaate for fremstilling av dette.
US5038863A (en) * 1990-07-20 1991-08-13 Altantic Richfield Company Cementing oil and gas wells
US5105885A (en) * 1990-11-20 1992-04-21 Bj Services Company Well cementing method using a dispersant and fluid loss intensifier
WO1996016914A1 (fr) * 1994-11-30 1996-06-06 Inna Alexandrovna Nemtsina Melange de beton
US5728210A (en) * 1995-12-29 1998-03-17 Conoco Inc. Composition and method to control cement slurry loss and viscosity
US6258161B1 (en) 1998-11-04 2001-07-10 W. R. Grace & Co.-Conn. Masonry blocks and masonry concrete admixture for improved freeze-thaw durability
US6302955B1 (en) 1998-11-04 2001-10-16 W. R. Grace & Co.-Conn. Composition for improving freeze/thaw durability of masonry containing fatty acid-based efflorescence control agents
GB2343448B (en) * 1998-11-04 2002-12-31 Grace W R & Co Masonry blocks and masonry concrete admixture for improved freeze-thaw durability
US6861459B2 (en) * 1999-07-09 2005-03-01 Construction Research & Technology Gmbh Oligomeric dispersant
FR2804424B1 (fr) * 2000-01-28 2002-11-22 Rhodia Chimie Sa Compositions a base de derives phenoliques et leur utilisation comme adjuvants des liants mineraux
US20030162866A1 (en) * 2000-01-28 2003-08-28 Evelyne Prat Compositions based on phenolic derivatives and their use as mineral binder additives
JP4294259B2 (ja) * 2001-09-19 2009-07-08 Ｂａｓｆポゾリス株式会社 セメント組成物のワーカビリティー改良剤およびこれを含有するセメント減水剤
MY141254A (en) * 2003-01-24 2010-03-31 Handy Chemicals Ltd Sacrificial agents for fly ash concrete
US20100286312A1 (en) 2009-05-06 2010-11-11 Boral Material Technologies Inc. Amine Sacrificial Agents and Methods and Products Using Same
EP2565172A1 (en) * 2011-08-30 2013-03-06 Sika Technology AG Mid-range water reducers (MRWR) for concretes
CN103717550A (zh) * 2011-08-30 2014-04-09 Sika技术股份公司 用于混凝土的中效减水剂（mrwr）
WO2013133820A1 (en) * 2012-03-07 2013-09-12 Empire Technology Development Llc Lignin-based surfactants
CN107722207B (zh) * 2017-09-21 2020-06-19 广东科隆智谷新材料股份有限公司 氨基磺酸盐减水剂的制备方法
CN107640922B (zh) * 2017-10-13 2020-05-22 浙江雄宇混凝土构件有限公司 提高混凝土耐久性的外加剂及其制备方法
US11535557B2 (en) * 2021-04-15 2022-12-27 Saudi Arabian Oil Company Lignosulfonate and hydrolyzed carbohydrate retarder additive for cement mixture
JP7272719B1 (ja) * 2022-10-11 2023-05-12 竹本油脂株式会社 水硬性組成物用添加剤、その製造方法及び水硬性組成物の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3317327A (en) * 1964-01-06 1967-05-02 Onoda Cement Co Ltd Method of retarding the setting time of cement
US3619221A (en) * 1970-03-25 1971-11-09 Grace W R & Co Amine formate accelerator additives for portland cement compositions
BE847038A (fr) * 1976-10-07 1977-01-31 Adjuvant pour compositions a base de ciment, procede de preparation dudit adjuvant de pate de ciment, mortier, beton comprenant cet adjuvant

Also Published As

Publication number Publication date
NZ199063A (en) 1984-08-24
MY8500692A (en) 1985-12-31
AU7984082A (en) 1982-10-21
AR226968A1 (es) 1982-08-31
AU546030B2 (en) 1985-08-08
JPS57170855A (en) 1982-10-21
FR2504118A1 (fr) 1982-10-22
KR830008941A (ko) 1983-12-16
JPH0147419B2 (it) 1989-10-13
KR860001756B1 (ko) 1986-10-21
ZA818251B (en) 1983-01-26
HK78584A (en) 1984-10-26
GB2096591A (en) 1982-10-20
PH17435A (en) 1984-08-23
DE3212487A1 (de) 1982-11-04
IT1153966B (it) 1987-01-21
SG45684G (en) 1985-03-29
GB2096591B (en) 1984-05-10
BR8108239A (pt) 1983-04-12
US4351671A (en) 1982-09-28

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