FR2010742A1 - Light construction material production (pumice stone) - Google Patents
Light construction material production (pumice stone)Info
- Publication number
- FR2010742A1 FR2010742A1 FR6919308A FR6919308A FR2010742A1 FR 2010742 A1 FR2010742 A1 FR 2010742A1 FR 6919308 A FR6919308 A FR 6919308A FR 6919308 A FR6919308 A FR 6919308A FR 2010742 A1 FR2010742 A1 FR 2010742A1
- Authority
- FR
- France
- Prior art keywords
- construction material
- material production
- light construction
- pumice stone
- degrees
- 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.)
- Withdrawn
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
- 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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
Porous pumice grains are wetted to form cellular silicate of mainly closed-cell structure, using dilute orthosilicate and C-containing material such as molasses or the like; the intermediate product is heated with rapid rise of temp. of 400 degrees in reducing atmosphere to 950-1150 degrees C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681771589 DE1771589C3 (en) | 1968-06-12 | 1968-06-12 | Process for the production of lightweight building materials and aggregates from natural pumice |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2010742A1 true FR2010742A1 (en) | 1970-02-20 |
Family
ID=5700914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6919308A Withdrawn FR2010742A1 (en) | 1968-06-12 | 1969-06-11 | Light construction material production (pumice stone) |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE734442A (en) |
CH (1) | CH525848A (en) |
DE (1) | DE1771589C3 (en) |
FR (1) | FR2010742A1 (en) |
LU (1) | LU58836A1 (en) |
NL (1) | NL6908905A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19947247B4 (en) * | 1999-09-30 | 2005-01-27 | Verfahrenstechnisches Institut Saalfeld Gmbh | Porous moldings of natural rock flour and their use |
DE102004056781A1 (en) * | 2004-11-24 | 2006-06-01 | Dennert Poraver Gmbh | Process for the preparation of metakaolin particles and their use |
-
1968
- 1968-06-12 DE DE19681771589 patent/DE1771589C3/en not_active Expired
-
1969
- 1969-06-09 CH CH874569A patent/CH525848A/en not_active IP Right Cessation
- 1969-06-10 LU LU58836D patent/LU58836A1/xx unknown
- 1969-06-11 FR FR6919308A patent/FR2010742A1/en not_active Withdrawn
- 1969-06-11 NL NL6908905A patent/NL6908905A/xx unknown
- 1969-06-12 BE BE734442D patent/BE734442A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE734442A (en) | 1969-11-17 |
CH525848A (en) | 1972-07-31 |
NL6908905A (en) | 1969-12-16 |
DE1771589A1 (en) | 1971-12-09 |
DE1771589B2 (en) | 1976-09-30 |
DE1771589C3 (en) | 1978-09-21 |
LU58836A1 (en) | 1969-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |