FR2403311A1 - EXPANSIVE CEMENT COMPOSITIONS - Google Patents
EXPANSIVE CEMENT COMPOSITIONSInfo
- Publication number
- FR2403311A1 FR2403311A1 FR7826534A FR7826534A FR2403311A1 FR 2403311 A1 FR2403311 A1 FR 2403311A1 FR 7826534 A FR7826534 A FR 7826534A FR 7826534 A FR7826534 A FR 7826534A FR 2403311 A1 FR2403311 A1 FR 2403311A1
- Authority
- FR
- France
- Prior art keywords
- degrees
- lime
- heating
- less
- relates
- 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.)
- Pending
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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
L'invention concerne l'industrie du bâtiment. Elle a pour objet de nouveaux agents expansifs obtenus par chauffage d'une chaux d'une granulométrie inférieure à 250 mu dans une atmosphère comprenant de la vapeur d'eau à 100-400 degrés C ou du dioxyde de carbone à 350-850 degrés C ou par chauffage d'une chaux partiellement hydratée à au moins 100 degrés C. Les chaux encapsulées ainsi obtenues sont utiles dans des compositions cimentaires hydratables, en quantité généralement de moins de 30 % et de préférence de 3 à 10 %, sur la base du poids du ciment et de l'additif. La composition de l'invention est préférée pour la fabrication de produits manufacturés façonnés sans retrait au séchage.The invention relates to the building industry. It relates to new expanding agents obtained by heating lime with a particle size of less than 250 mu in an atmosphere comprising water vapor at 100-400 degrees C or carbon dioxide at 350-850 degrees C. or by heating a partially hydrated lime to at least 100 degrees C. The encapsulated lime thus obtained are useful in hydratable cementitious compositions, in an amount generally of less than 30% and preferably of 3 to 10%, on the basis of weight of cement and additive. The composition of the invention is preferred for the manufacture of shaped manufactured products without shrinkage on drying.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US83453977A | 1977-09-19 | 1977-09-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2403311A1 true FR2403311A1 (en) | 1979-04-13 |
Family
ID=25267156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7826534A Pending FR2403311A1 (en) | 1977-09-19 | 1978-09-15 | EXPANSIVE CEMENT COMPOSITIONS |
Country Status (14)
| Country | Link |
|---|---|
| JP (1) | JPS5493020A (en) |
| BE (1) | BE870477A (en) |
| CA (1) | CA1122231A (en) |
| DE (1) | DE2840572A1 (en) |
| DK (1) | DK411178A (en) |
| ES (2) | ES473348A1 (en) |
| FI (1) | FI63735C (en) |
| FR (1) | FR2403311A1 (en) |
| GB (1) | GB2004529B (en) |
| IE (1) | IE47357B1 (en) |
| IL (1) | IL55575A0 (en) |
| IT (1) | IT1098856B (en) |
| NO (1) | NO145232C (en) |
| SE (1) | SE434733B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0959052A1 (en) * | 1997-08-11 | 1999-11-24 | Maeta Techno-Research, Inc. | Cement composition and process for producing concrete and precast concrete with the same |
| JP3747988B2 (en) * | 1998-04-23 | 2006-02-22 | 電気化学工業株式会社 | Expandable material composition and expanded cement composition |
| JP4571483B2 (en) * | 2004-11-30 | 2010-10-27 | 太平洋マテリアル株式会社 | Liquid expansion material |
| JP5263955B2 (en) * | 2008-12-26 | 2013-08-14 | 太平洋マテリアル株式会社 | Low exothermic expandable admixture |
| JP5580306B2 (en) * | 2009-06-12 | 2014-08-27 | 電気化学工業株式会社 | Expandable material and method for producing the same |
| DE102009045278B4 (en) * | 2009-10-02 | 2011-12-15 | Dirk Dombrowski | Mineral granular desulphurising agent based on calcium hydroxide, process for its preparation and its use |
| JP5744499B2 (en) * | 2010-12-09 | 2015-07-08 | 電気化学工業株式会社 | Grout cement composition and grout material |
| EP3875444B1 (en) | 2018-11-15 | 2023-03-08 | Denka Company Limited | Cement admixture, expansion material, and cement composition |
| JP7293019B2 (en) * | 2019-07-18 | 2023-06-19 | デンカ株式会社 | EXPANDING COMPOSITION FOR CEMENT, CEMENT COMPOSITION, AND METHOD FOR PRODUCING THE EXPANSION COMPOSITION FOR CEMENT |
| JP7509867B2 (en) | 2020-04-23 | 2024-07-02 | デンカ株式会社 | Cement admixture, expansive material, and cement composition |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1732409A (en) * | 1926-04-05 | 1929-10-22 | Colloidal Lime Plaster Corp | Quick-setting lime product and method of making the same |
| US3106453A (en) * | 1963-04-22 | 1963-10-08 | Corson G & W H | Process for producing dry lime hydrate |
| DE1216753B (en) * | 1964-12-18 | 1966-05-12 | Rheinische Kalksteinwerke | Process for removing nodular agglomerations in white fine lime |
| US3649317A (en) * | 1970-11-12 | 1972-03-14 | Fuller Co | Shrinkage compensating cement |
-
1978
- 1978-09-12 GB GB7836573A patent/GB2004529B/en not_active Expired
- 1978-09-14 BE BE190481A patent/BE870477A/en not_active IP Right Cessation
- 1978-09-14 CA CA000311342A patent/CA1122231A/en not_active Expired
- 1978-09-14 ES ES473348A patent/ES473348A1/en not_active Expired
- 1978-09-14 NO NO783104A patent/NO145232C/en unknown
- 1978-09-14 IL IL7855575A patent/IL55575A0/en unknown
- 1978-09-15 IT IT27769/78A patent/IT1098856B/en active
- 1978-09-15 IE IE1869/78A patent/IE47357B1/en unknown
- 1978-09-15 FR FR7826534A patent/FR2403311A1/en active Pending
- 1978-09-18 FI FI782851A patent/FI63735C/en not_active IP Right Cessation
- 1978-09-18 DE DE19782840572 patent/DE2840572A1/en not_active Withdrawn
- 1978-09-18 DK DK411178A patent/DK411178A/en not_active Application Discontinuation
- 1978-09-19 JP JP11501178A patent/JPS5493020A/en active Pending
- 1978-09-19 SE SE7809821A patent/SE434733B/en not_active IP Right Cessation
-
1979
- 1979-04-24 ES ES479859A patent/ES479859A1/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1732409A (en) * | 1926-04-05 | 1929-10-22 | Colloidal Lime Plaster Corp | Quick-setting lime product and method of making the same |
| US3106453A (en) * | 1963-04-22 | 1963-10-08 | Corson G & W H | Process for producing dry lime hydrate |
| DE1216753B (en) * | 1964-12-18 | 1966-05-12 | Rheinische Kalksteinwerke | Process for removing nodular agglomerations in white fine lime |
| US3649317A (en) * | 1970-11-12 | 1972-03-14 | Fuller Co | Shrinkage compensating cement |
Also Published As
| Publication number | Publication date |
|---|---|
| FI63735C (en) | 1983-08-10 |
| FI63735B (en) | 1983-04-29 |
| JPS5493020A (en) | 1979-07-23 |
| SE7809821L (en) | 1979-03-20 |
| IT7827769A0 (en) | 1978-09-15 |
| FI782851A (en) | 1979-03-20 |
| SE434733B (en) | 1984-08-13 |
| ES479859A1 (en) | 1979-11-16 |
| DE2840572A1 (en) | 1979-03-29 |
| IE781869L (en) | 1979-03-19 |
| IT1098856B (en) | 1985-09-18 |
| CA1122231A (en) | 1982-04-20 |
| GB2004529B (en) | 1982-04-21 |
| ES473348A1 (en) | 1979-11-01 |
| NO145232C (en) | 1982-02-10 |
| DK411178A (en) | 1979-03-20 |
| GB2004529A (en) | 1979-04-04 |
| NO783104L (en) | 1979-03-20 |
| IE47357B1 (en) | 1984-02-22 |
| BE870477A (en) | 1979-03-14 |
| IL55575A0 (en) | 1978-12-17 |
| NO145232B (en) | 1981-11-02 |
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