GB1473392A - Process for enhancing the physical strength of cured cement - Google Patents
Process for enhancing the physical strength of cured cementInfo
- Publication number
- GB1473392A GB1473392A GB4671976A GB4671976A GB1473392A GB 1473392 A GB1473392 A GB 1473392A GB 4671976 A GB4671976 A GB 4671976A GB 4671976 A GB4671976 A GB 4671976A GB 1473392 A GB1473392 A GB 1473392A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cement
- fibres
- physical strength
- cured
- treated
- 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
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/1025—Coating to obtain fibres used for reinforcing cement-based products
- C03C25/1035—Inorganic coatings
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
1473392 Cement compositions JAPAN INORGANIC MATERIAL CO Ltd 10 April 1974 [20 Nov 1973] 46719/76 Divided out of 1473391 Heading C1H [Also in Division D1] The physical strength of cured cement is enhanced by incorporating into an aqueous cement mixture glass fibres which have been treated to enhance their cement-alkali resistance with an aqueous solution containing one or more of an inorganic oxyacid of phosphorus or a salt thereof for a time sufficient to produce a surface coating, and the mixure is then cured. The fibres may be treated by immersion in the solution, e.g. at 80-95‹ C. for 2 hours, each decrease of 10‹ C. in the temperature requiring an increase of 100% in the treatment time. The concentration of the aqueous solution is preferably less than 10%, e.g. 1%. The fibres may be soda glass optionally containing zirconia.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48130546A JPS5755664B2 (en) | 1973-11-20 | 1973-11-20 | |
JP13054873A JPS5722903B2 (en) | 1973-11-20 | 1973-11-20 | |
JP13054573A JPS5722902B2 (en) | 1973-11-20 | 1973-11-20 | |
JP48130547A JPS5755665B2 (en) | 1973-11-20 | 1973-11-20 | |
JP48130549A JPS5755666B2 (en) | 1973-11-20 | 1973-11-20 | |
JP48143118A JPS5815451B2 (en) | 1973-12-21 | 1973-12-21 | Soda Setsukai Glass Silicone Glass Senio Thai Cement Alkali Seinisuru Hohou |
JP48143117A JPS5815450B2 (en) | 1973-12-21 | 1973-12-21 | Method for enhancing cement alkalinity resistance of glass fiber with low zirconia content |
JP741919A JPS5743538B2 (en) | 1973-12-27 | 1973-12-27 | |
JP744088A JPS5743539B2 (en) | 1973-12-29 | 1973-12-29 | |
JP49030823A JPS50121599A (en) | 1974-03-18 | 1974-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1473392A true GB1473392A (en) | 1977-05-11 |
Family
ID=27579470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4671976A Expired GB1473392A (en) | 1973-11-20 | 1974-04-10 | Process for enhancing the physical strength of cured cement |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1473392A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997021636A1 (en) * | 1995-12-13 | 1997-06-19 | Rockwool International A/S | Man-made vitreous fibres and their production |
-
1974
- 1974-04-10 GB GB4671976A patent/GB1473392A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997021636A1 (en) * | 1995-12-13 | 1997-06-19 | Rockwool International A/S | Man-made vitreous fibres and their production |
US6458436B1 (en) | 1995-12-13 | 2002-10-01 | Rockwool International A/S | Man-made vitreous fibres and their production |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |