DE19534929B4 - Verwendung von wasserlöslichen Salzen der Zitronensäure, Apfelsäure oder 2-Hydroxy-2-methylbernsteinsäure als Abbindebeschleuniger - Google Patents

Verwendung von wasserlöslichen Salzen der Zitronensäure, Apfelsäure oder 2-Hydroxy-2-methylbernsteinsäure als Abbindebeschleuniger Download PDF

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Publication number
DE19534929B4
DE19534929B4 DE19534929A DE19534929A DE19534929B4 DE 19534929 B4 DE19534929 B4 DE 19534929B4 DE 19534929 A DE19534929 A DE 19534929A DE 19534929 A DE19534929 A DE 19534929A DE 19534929 B4 DE19534929 B4 DE 19534929B4
Authority
DE
Germany
Prior art keywords
cement
water
acid
setting
preparation
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 - Fee Related
Application number
DE19534929A
Other languages
German (de)
English (en)
Other versions
DE19534929A1 (de
Inventor
Stephen A. Chardon Farrington
Lan Cleveland Huang
Frederick D. Broadview Heights Kinney
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.)
Construction Research and Technology GmbH
Original Assignee
Construction Research and Technology GmbH
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 Construction Research and Technology GmbH filed Critical Construction Research and Technology GmbH
Publication of DE19534929A1 publication Critical patent/DE19534929A1/de
Application granted granted Critical
Publication of DE19534929B4 publication Critical patent/DE19534929B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/04—Carboxylic acids; Salts, anhydrides or esters thereof
    • C04B24/06—Carboxylic acids; Salts, anhydrides or esters thereof containing hydroxy groups
    • 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
    • C04B2103/10—Accelerators; Activators
    • C04B2103/12—Set accelerators

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)
DE19534929A 1994-09-20 1995-09-20 Verwendung von wasserlöslichen Salzen der Zitronensäure, Apfelsäure oder 2-Hydroxy-2-methylbernsteinsäure als Abbindebeschleuniger Expired - Fee Related DE19534929B4 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US30937194A 1994-09-20 1994-09-20
US30937394A 1994-09-20 1994-09-20
US309373 1994-09-20
US309371 1994-09-20

Publications (2)

Publication Number Publication Date
DE19534929A1 DE19534929A1 (de) 1996-03-21
DE19534929B4 true DE19534929B4 (de) 2005-06-16

Family

ID=26976773

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19534929A Expired - Fee Related DE19534929B4 (de) 1994-09-20 1995-09-20 Verwendung von wasserlöslichen Salzen der Zitronensäure, Apfelsäure oder 2-Hydroxy-2-methylbernsteinsäure als Abbindebeschleuniger

Country Status (5)

Country Link
CA (1) CA2158501C (enrdf_load_stackoverflow)
CH (1) CH689729A5 (enrdf_load_stackoverflow)
DE (1) DE19534929B4 (enrdf_load_stackoverflow)
GB (1) GB2293378B (enrdf_load_stackoverflow)
IT (1) IT1276185B1 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO962925L (no) * 1996-03-29 1997-09-30 Olav Geir Tjugum Akselerator for spröytebetong, og fremgangsmåte og utstyr for tilsetning til spröytebetong

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656985A (en) * 1969-12-02 1972-04-18 Progil Portland cement composition having an accelerated set
US3836665A (en) * 1971-01-18 1974-09-17 Boehringer Sohn Ingelheim Dermatological compositions containing certain higher alkyl esters of 5-pyrrolidone-(2)-carboxylic acid
GB2033367A (en) * 1978-11-07 1980-05-21 Coal Industry Patents Ltd Quick Setting Cements
DE4239062A1 (en) * 1991-11-27 1993-06-03 Sandoz Ag Cement mixt. used as concrete or mortar - contg. cement, fly-ash, hydroxy:carboxylic acid, and alkali metal ions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3856541A (en) * 1971-04-28 1974-12-24 Dow Chemical Co Hydraulic cement and method of cementing in environments having elevated temperatures
JPS5951504B2 (ja) * 1979-02-05 1984-12-14 積水化学工業株式会社 加熱硬化型セメント組成物
JPH0283244A (ja) * 1988-09-19 1990-03-23 Showa Denko Kk 乾式吹付法
CH678526A5 (enrdf_load_stackoverflow) * 1990-01-27 1991-09-30 Sandoz Ag
US5273579A (en) * 1990-06-19 1993-12-28 Mitsubishi Mining And Cement Co., Ltd. Quick setting compositions
US5262166A (en) * 1991-04-17 1993-11-16 Lty Medical Inc Resorbable bioactive phosphate containing cements
US5281265A (en) * 1992-02-03 1994-01-25 Liu Sung Tsuen Resorbable surgical cements
AU4598393A (en) * 1993-06-02 1994-12-20 Sandoz Ltd. Cement compositions and admixtures therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3656985A (en) * 1969-12-02 1972-04-18 Progil Portland cement composition having an accelerated set
US3836665A (en) * 1971-01-18 1974-09-17 Boehringer Sohn Ingelheim Dermatological compositions containing certain higher alkyl esters of 5-pyrrolidone-(2)-carboxylic acid
GB2033367A (en) * 1978-11-07 1980-05-21 Coal Industry Patents Ltd Quick Setting Cements
DE4239062A1 (en) * 1991-11-27 1993-06-03 Sandoz Ag Cement mixt. used as concrete or mortar - contg. cement, fly-ash, hydroxy:carboxylic acid, and alkali metal ions

Also Published As

Publication number Publication date
CA2158501C (en) 2008-11-04
DE19534929A1 (de) 1996-03-21
GB2293378B (en) 1998-01-21
CH689729A5 (de) 1999-09-30
ITRM950621A1 (it) 1997-03-18
GB9519072D0 (en) 1995-11-15
CA2158501A1 (en) 1996-03-21
IT1276185B1 (it) 1997-10-27
ITRM950621A0 (enrdf_load_stackoverflow) 1995-09-18
GB2293378A (en) 1996-03-27

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: MBT HOLDING AG, ZUERICH, CH

8128 New person/name/address of the agent

Representative=s name: SPOTT WEINMILLER & PARTNER, 80336 MUENCHEN

8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH, 83308 TRO

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee