NL7414307A - Hydrophobic synthetic mineral building materials - only part of the ballast being treated with silicones thus permitting moisture-diffusion - Google Patents
Hydrophobic synthetic mineral building materials - only part of the ballast being treated with silicones thus permitting moisture-diffusionInfo
- Publication number
- NL7414307A NL7414307A NL7414307A NL7414307A NL7414307A NL 7414307 A NL7414307 A NL 7414307A NL 7414307 A NL7414307 A NL 7414307A NL 7414307 A NL7414307 A NL 7414307A NL 7414307 A NL7414307 A NL 7414307A
- Authority
- NL
- Netherlands
- Prior art keywords
- ballast
- diffusion
- impregnated
- moisture
- water
- Prior art date
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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1051—Organo-metallic compounds; Organo-silicon compounds, e.g. bentone
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Abstract
Materials consisting of ballast and a binder, where part of the ballast is made water-repellent and is then mixed with the remaining ballast so that while the material rejects water, it still permits the diffusion of moisture from the interior to the surface. A min. of 5% and pref. 10% of the ballast is made water-repellent by impregnation with silane or siloxane resins, and the pref. grain-size of the ballast impregnated is 0.1-4 mm. For thin mortars, one-third of the ballast can be impregnated. When all the ballast is impregnated, e.g. with a 40% soln. of silane in methyl alcohol, the diffusion of moisture is too low to permit drying of the material; conversely, when none of the ballast is impregnated the water penetration was too high, these tests being carried out on a thin mortar using 100 g ballast with 30 g of a lime and cement binder. However, when part of the ballast was impregnated (e.g. 20-50%) a satisfactory compromise between water-rejection and moisture-diffusion was achieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7414307A NL7414307A (en) | 1974-11-01 | 1974-11-01 | Hydrophobic synthetic mineral building materials - only part of the ballast being treated with silicones thus permitting moisture-diffusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7414307A NL7414307A (en) | 1974-11-01 | 1974-11-01 | Hydrophobic synthetic mineral building materials - only part of the ballast being treated with silicones thus permitting moisture-diffusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7414307A true NL7414307A (en) | 1976-05-04 |
Family
ID=19822376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7414307A NL7414307A (en) | 1974-11-01 | 1974-11-01 | Hydrophobic synthetic mineral building materials - only part of the ballast being treated with silicones thus permitting moisture-diffusion |
Country Status (1)
| Country | Link |
|---|---|
| NL (1) | NL7414307A (en) |
-
1974
- 1974-11-01 NL NL7414307A patent/NL7414307A/en unknown
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