GB874280A - Improvements in dry plastering powders and their manufacture - Google Patents
Improvements in dry plastering powders and their manufactureInfo
- Publication number
- GB874280A GB874280A GB1515059A GB1515059A GB874280A GB 874280 A GB874280 A GB 874280A GB 1515059 A GB1515059 A GB 1515059A GB 1515059 A GB1515059 A GB 1515059A GB 874280 A GB874280 A GB 874280A
- Authority
- GB
- United Kingdom
- Prior art keywords
- calcium
- cellulose
- added
- mixture
- minus
- 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
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
- C04B28/14—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 calcium sulfate cements
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)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
A dry compound plaster mixture comprises by weight 30% to 60% calcium carbonate or calcium magnesium carbonate, 0,1% to 0,5% of a water soluble cellulose alkyl, hydroxyalkyl or alkyl hydroxyalkyl ether, up to 20% aggregate if required, and the remainder consisting of finely divided retarded calcium sulphate hemihydrate and calcium hydroxide in a granimetric ratio from 3:1 to 1:2. The calcium carbonate or calcium magnesium carbonate, are present as natural minerals such as chalk, limestone or dolomite of minus 100 mesh or as the chemically produced carbonates and the calcium sulphate and hydroxide are of minus 150 mesh size. The calcium sulphate is either added in the retarded form or a retarder such as animal glue, hoof and horn products, sodium and ammonium salts of citric, gluconic or aconitic acid are added to the mixture. The aggregates specified are sand, perlite, vermiculite and kieselguhr either as coarse grist or fibres or the cellulose ethers exemplified are methyl cellulose, methyl hydroxy ethyl cellulose or ethyl hydroxy ethyl cellulose. Gauging water is added to the dry mixture so that the cellulose ether concentration in the aqueous phase of the plaster is at least 1/2 %.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1515059A GB874280A (en) | 1959-05-04 | 1959-05-04 | Improvements in dry plastering powders and their manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1515059A GB874280A (en) | 1959-05-04 | 1959-05-04 | Improvements in dry plastering powders and their manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB874280A true GB874280A (en) | 1961-08-02 |
Family
ID=10053924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1515059A Expired GB874280A (en) | 1959-05-04 | 1959-05-04 | Improvements in dry plastering powders and their manufacture |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB874280A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2041702A6 (en) * | 1969-05-05 | 1971-02-05 | Thevenot Christian | Hydroxy methyl cellulose control in plaster - contg vermiculite etc for building panels |
| FR2478069A1 (en) * | 1980-03-14 | 1981-09-18 | Charbonnages Ste Chimique | COMPOSITION SUITABLE FOR MANUFACTURING PLASTER |
| CN112250405A (en) * | 2020-10-15 | 2021-01-22 | 江苏一夫科技股份有限公司 | Fluorgypsum-based plastering material and preparation method and application thereof |
| CN117105609A (en) * | 2023-10-23 | 2023-11-24 | 湖南人健宝固高新科技发展有限公司 | Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction |
-
1959
- 1959-05-04 GB GB1515059A patent/GB874280A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2041702A6 (en) * | 1969-05-05 | 1971-02-05 | Thevenot Christian | Hydroxy methyl cellulose control in plaster - contg vermiculite etc for building panels |
| FR2478069A1 (en) * | 1980-03-14 | 1981-09-18 | Charbonnages Ste Chimique | COMPOSITION SUITABLE FOR MANUFACTURING PLASTER |
| DE3108904A1 (en) * | 1980-03-14 | 1982-01-07 | Société Chimique des Charbonnages, 92080 Paris la Defense | Compositions for preparing cellular gypsum based on artificial gypsum |
| CN112250405A (en) * | 2020-10-15 | 2021-01-22 | 江苏一夫科技股份有限公司 | Fluorgypsum-based plastering material and preparation method and application thereof |
| CN117105609A (en) * | 2023-10-23 | 2023-11-24 | 湖南人健宝固高新科技发展有限公司 | Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction |
| CN117105609B (en) * | 2023-10-23 | 2024-01-05 | 湖南人健宝固高新科技发展有限公司 | Preparation method of ultra-high performance shotcrete for accelerator-free auxiliary construction |
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