[go: up one dir, main page]

CA1161071A - Method for lowering the viscosity of and liquefying portland cement mixes by means of lignosulfonate - Google Patents

Method for lowering the viscosity of and liquefying portland cement mixes by means of 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)
French (fr)
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/en
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 Method for lowering the viscosity of and liquefying portland cement mixes by means of lignosulfonate Expired CA1161071A (en)

Applications Claiming Priority (2)

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

Publications (1)

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

Family

ID=8514121

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000377262A Expired CA1161071A (en) 1981-02-11 1981-05-11 Method for lowering the viscosity of and liquefying portland cement mixes by means of lignosulfonate

Country Status (8)

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

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
WO2001036344A2 (en) * 1999-11-04 2001-05-25 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
FI810405A7 (sv) 1982-08-12
GB2092564A (en) 1982-08-18
SE8200820L (sv) 1982-08-12
NO820309L (no) 1982-08-12
DE3204326A1 (de) 1982-09-02
FR2499549A1 (fr) 1982-08-13
FI810405L (fi) 1982-08-12
DK55882A (da) 1982-08-12

Similar Documents

Publication Publication Date Title
US5811527A (en) Lignin composition, method of producing the same and dispersing agent for cement used the same
US4725665A (en) Use of salts of water-soluble
US20110124847A1 (en) Method for preparing concrete water reducer by grafting of lignosulfonate with carbonyl aliphatics
Zhou et al. Process for calcium xylonate production as a concrete admixture derived from in-situ fermentation of wheat straw pre-hydrolysate
JP5905081B2 (ja) セメント質材料用添加剤の製造方法、添加剤、および添加剤を含む混合物
CN115353361B (zh) 一种复合胶凝材料及其制备方法和应用
US4655838A (en) Cement additive composition
US4450106A (en) Lignin product for lowering the viscosity of cement and other finely-divided mineral material suspensions
WO1997013733A1 (en) Lignin-based concrete admixtures
CA1161071A (en) Method for lowering the viscosity of and liquefying portland cement mixes by means of lignosulfonate
USH493H (en) Alkylsulfonated polysaccharides and mortar and concrete mixes containing them
CZ281360B6 (cs) Použití kondenzátů kyseliny naftalensulfonové a formaldehydu s nízkým obsahem volného formaldehydu
US2141570A (en) Concrete and hydraulic cement
EP0020771B1 (en) Method for improving the workability of concrete mortar
US3398005A (en) Cement composition and products thereof
EP0790221A1 (en) Modified cement and concrete compositions
CN107056201A (zh) 一种含凹土粉的加气混凝土及其制备方法
CN109399992A (zh) 一种水剂缓凝剂
EP3099648B1 (en) Wood extract as plasticizer for mineral binders
CN106365534B (zh) 保水性减缩型聚羧酸减水剂在制备高性能混凝土中的用途
KR100240037B1 (ko) 소나무 수피 알칼리성 아황산염-안트라퀴논 증해폐액을 이용한 콘크리트 혼화제의 제조방법
WO2019086489A1 (en) Corn steep liquor as an admixture for mineral suspensions
SU973501A1 (ru) Способ приготовлени пластифицирующей добавки
JP3382961B2 (ja) コンクリート減水剤
JPH03141142A (ja) セメント用減水剤

Legal Events

Date Code Title Description
MKEX Expiry