CA1161071A - Methode d'abaissement de l'indice de viscosite et de liquefaction des melanges au ciment portland par intervention de lignosulfonate - Google Patents

Methode d'abaissement de l'indice de viscosite et de liquefaction des melanges au ciment portland par intervention de lignosulfonate

Info

Publication number
CA1161071A
CA1161071A CA000377262A CA377262A CA1161071A CA 1161071 A CA1161071 A CA 1161071A CA 000377262 A CA000377262 A CA 000377262A CA 377262 A CA377262 A CA 377262A CA 1161071 A CA1161071 A CA 1161071A
Authority
CA
Canada
Prior art keywords
lignosulfonate
percent
cement
purity
weight
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.)
Expired
Application number
CA000377262A
Other languages
English (en)
Inventor
Bengt Forss
Heikki J. Ahonen
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.)
Flowcon Oy
Original Assignee
Flowcon Oy
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 Flowcon Oy filed Critical Flowcon Oy
Application granted granted Critical
Publication of CA1161071A publication Critical patent/CA1161071A/fr
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
CA000377262A 1981-02-11 1981-05-11 Methode d'abaissement de l'indice de viscosite et de liquefaction des melanges au ciment portland par intervention de lignosulfonate Expired CA1161071A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI810405A FI810405L (fi) 1981-02-11 1981-02-11 Foerfarande foer att plasticera portlandcementblandningar och/eller bringa desamma i flytform med hjaelp av lignosulfonat
FI810405 1981-02-11

Publications (1)

Publication Number Publication Date
CA1161071A true CA1161071A (fr) 1984-01-24

Family

ID=8514121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377262A Expired CA1161071A (fr) 1981-02-11 1981-05-11 Methode d'abaissement de l'indice de viscosite et de liquefaction des melanges au ciment portland par intervention de lignosulfonate

Country Status (8)

Country Link
CA (1) CA1161071A (fr)
DE (1) DE3204326A1 (fr)
DK (1) DK55882A (fr)
FI (1) FI810405L (fr)
FR (1) FR2499549A1 (fr)
GB (1) GB2092564A (fr)
NO (1) NO820309L (fr)
SE (1) SE8200820L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4218183A1 (de) * 1992-06-02 1993-12-09 Bayer Ag Verbesserte mineralische Baustoffe mit Zusatzmitteln
US6238475B1 (en) 1999-04-21 2001-05-29 Lignotech Usa, Inc. Ammoxidized lignosulfonate cement dispersant
AU2749901A (en) * 1999-11-04 2001-05-30 Lignotech Usa, Inc. Low retarding, high fluidity producing lignin dispersant for concrete

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2141570A (en) * 1935-07-24 1938-12-27 Dewey And Almy Chem Comp Concrete and hydraulic cement
FR901349A (fr) * 1942-12-09 1945-07-24 Sika Holding A G Procédé pour améliorer les propriétés physiques des liants inorganiques du mortier et du béton
US2435594A (en) * 1945-10-20 1948-02-10 Master Builders Co Hydraulic cement composition

Also Published As

Publication number Publication date
SE8200820L (sv) 1982-08-12
GB2092564A (en) 1982-08-18
DE3204326A1 (de) 1982-09-02
FI810405L (fi) 1982-08-12
NO820309L (no) 1982-08-12
FR2499549A1 (fr) 1982-08-13
DK55882A (da) 1982-08-12

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