EP0268594B1 - Sound absorbing mineral wool product and method of manufacturing the same - Google Patents
Sound absorbing mineral wool product and method of manufacturing the same Download PDFInfo
- Publication number
- EP0268594B1 EP0268594B1 EP87902185A EP87902185A EP0268594B1 EP 0268594 B1 EP0268594 B1 EP 0268594B1 EP 87902185 A EP87902185 A EP 87902185A EP 87902185 A EP87902185 A EP 87902185A EP 0268594 B1 EP0268594 B1 EP 0268594B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mineral wool
- binder
- wool body
- water glass
- sound
- 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 - Lifetime
Links
- 239000011490 mineral wool Substances 0.000 title claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000011230 binding agent Substances 0.000 claims abstract description 32
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 3
- 238000013016 damping Methods 0.000 claims abstract 3
- 238000009423 ventilation Methods 0.000 claims description 13
- 239000000080 wetting agent Substances 0.000 claims description 2
- 239000011358 absorbing material Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
- E04C2/16—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of fibres, chips, vegetable stems, or the like
Definitions
- the present invention generally relates to a mineral wool product, and more particularly the invention is directed to a mineral wool product for sound absorbing purposes and a method of manufacturing such product.
- the ability of the mineral wool to absorb low frequence sound can be increased by giving the mineral wool a surface layer of a suitable material, e.g. a thin layer of plastic. If the plastic is sufficiently thin and elastic the ability of the mineral wool product to absorb low frequence sound is drastically increased, and still its ability of absorbing high frequence sound is not reduced by any noticable extent.
- a suitable material e.g. a thin layer of plastic.
- Mineral wool materials of said type having a surface covering have substantial disadvantage. Firstly the plastic foils, by means of which the mineral wool is covered are inflammable, and secondly it is technically difficult to apply the plastic film on the mineral wool, especially in narrow spaces like on the concave inner surface of a tubular insulation or similar means.
- the actual surfaces of the mineral wool bodies are covered with a non-inflammable alkali silicate like water glsss as indicated in claims 1 and 5.
- a suitable water glass substance is provided by EKA under the trade name "Bindizil FK10".
- the water glass is pre-polymerized to obtain a viscosity of at least 300 IPa - s at 20°C and 50% dry matter content.
- the dry matter content must not be too large, and preferably the dry matter content is kept less than 40%, preferably less than 38%.
- the amount of binder applied to the mineral wool surface is of substantial importance. On one hand the amount should be sufficient to bind all loose surface fibres, on the other hand the amount must not be so large that the binder provides an integral covering over the mineral wool body. Practical tests have proved that the amount of binder applied to the product should be between 75 and 150 g dry matter/m2 of the mineral wool surface, or preferably between 95 and 140 g/m 2.
- the temperature during the drying or the evaporation of the solvent is important so that the surface covering substance should keep its pliability. Tests have shown that the temperature should not be higher than 120°C.
- the binder e.g. rolling or spraying the binder.
- rolling the binder onto the mineral wool product there is, however, a risk that loose fibres stick to the roller and in time put the result of the treatment at risk. Therefore it is recommended that the binder is sprayed on to the product.
- the fibres of the mineral wool material are not of a hydrophobic surface character so that said fibres make it difficult or impossible to apply the binder or to obtain a correct spreading of the binder over the surface fibres.
- the binder therefore preferably can be given a slight amount of a wetting agent, e.g. a water soluble tenside.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Building Environments (AREA)
- Nonwoven Fabrics (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Paper (AREA)
- Exhaust Silencers (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT87902185T ATE60388T1 (de) | 1986-04-03 | 1987-04-01 | Schalldaempfendes mineral-wolleerzeugnis und dessen herstellung. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE8601493A SE458456B (sv) | 1986-04-03 | 1986-04-03 | Mineralullsprodukt samt ett foerfarande foer dess framstaellning |
| SE8601493 | 1986-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0268594A1 EP0268594A1 (en) | 1988-06-01 |
| EP0268594B1 true EP0268594B1 (en) | 1991-01-23 |
Family
ID=20364034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP87902185A Expired - Lifetime EP0268594B1 (en) | 1986-04-03 | 1987-04-01 | Sound absorbing mineral wool product and method of manufacturing the same |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0268594B1 (sv) |
| AT (1) | ATE60388T1 (sv) |
| DE (1) | DE3767669D1 (sv) |
| DK (1) | DK160888B (sv) |
| FI (1) | FI84385B (sv) |
| NO (1) | NO165038C (sv) |
| SE (1) | SE458456B (sv) |
| WO (1) | WO1987005960A1 (sv) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338619C5 (de) * | 1993-11-11 | 2007-12-27 | Saint-Gobain Isover G+H Ag | Beschichtetes Mineralwolleprodukt und Verfahren zu dessen Herstellung |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE200496C1 (sv) | ||||
| US1966069A (en) | 1932-10-26 | 1934-07-10 | Burgess Lab Inc C F | Acoustic tile and method of manufacturing the same |
| DK65991C (da) | 1941-07-15 | 1947-12-01 | Arki Ab | Fremgangsmaade til Fremstilling af lydabsorberende Plader. |
| US2450911A (en) | 1943-07-20 | 1948-10-12 | Armstrong Cork Co | Acoustical structure |
| US3111188A (en) | 1960-02-26 | 1963-11-19 | Owens Corning Fiberglass Corp | Acoustical tile |
-
1986
- 1986-04-03 SE SE8601493A patent/SE458456B/sv not_active Application Discontinuation
-
1987
- 1987-04-01 WO PCT/SE1987/000167 patent/WO1987005960A1/en not_active Application Discontinuation
- 1987-04-01 EP EP87902185A patent/EP0268594B1/en not_active Expired - Lifetime
- 1987-04-01 AT AT87902185T patent/ATE60388T1/de active
- 1987-04-01 DE DE8787902185T patent/DE3767669D1/de not_active Expired - Lifetime
- 1987-11-18 DK DK605187A patent/DK160888B/da unknown
- 1987-11-26 NO NO874916A patent/NO165038C/no unknown
- 1987-11-27 FI FI875260A patent/FI84385B/fi not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE200496C1 (sv) | ||||
| US1966069A (en) | 1932-10-26 | 1934-07-10 | Burgess Lab Inc C F | Acoustic tile and method of manufacturing the same |
| DK65991C (da) | 1941-07-15 | 1947-12-01 | Arki Ab | Fremgangsmaade til Fremstilling af lydabsorberende Plader. |
| US2450911A (en) | 1943-07-20 | 1948-10-12 | Armstrong Cork Co | Acoustical structure |
| US3111188A (en) | 1960-02-26 | 1963-11-19 | Owens Corning Fiberglass Corp | Acoustical tile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4338619C5 (de) * | 1993-11-11 | 2007-12-27 | Saint-Gobain Isover G+H Ag | Beschichtetes Mineralwolleprodukt und Verfahren zu dessen Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| NO874916D0 (no) | 1987-11-26 |
| FI875260A (fi) | 1987-11-27 |
| FI84385B (fi) | 1991-08-15 |
| NO874916L (no) | 1987-11-26 |
| DK605187D0 (da) | 1987-11-18 |
| WO1987005960A1 (en) | 1987-10-08 |
| ATE60388T1 (de) | 1991-02-15 |
| FI875260A0 (fi) | 1987-11-27 |
| NO165038C (no) | 1990-12-12 |
| SE8601493L (sv) | 1987-10-04 |
| EP0268594A1 (en) | 1988-06-01 |
| SE8601493D0 (sv) | 1986-04-03 |
| DE3767669D1 (de) | 1991-02-28 |
| NO165038B (no) | 1990-09-03 |
| DK605187A (da) | 1987-11-18 |
| SE458456B (sv) | 1989-04-03 |
| DK160888B (da) | 1991-04-29 |
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|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| 26 | Opposition filed |
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| NLR1 | Nl: opposition has been filed with the epo |
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