EP2034102B1 - Self-supporting sandwich panel of plasterboard with polyurethane core - Google Patents
Self-supporting sandwich panel of plasterboard with polyurethane core Download PDFInfo
- Publication number
- EP2034102B1 EP2034102B1 EP20070380247 EP07380247A EP2034102B1 EP 2034102 B1 EP2034102 B1 EP 2034102B1 EP 20070380247 EP20070380247 EP 20070380247 EP 07380247 A EP07380247 A EP 07380247A EP 2034102 B1 EP2034102 B1 EP 2034102B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixture
- thermal
- sandwich
- applicable
- fact
- 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.)
- Not-in-force
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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
- E04C2/20—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 plastics
- E04C2/205—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 plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
-
- 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
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/288—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and concrete, stone or stone-like material
-
- 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
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
- E04C2/296—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating composed of insulating material and non-metallic or unspecified sheet-material
Definitions
- the invention refers to, as expressed on the wording of this descriptive report, an auto load-bearing "sandwich" type panel, applicable as thermal and acoustic insulation, and to the process for its obtaining.
- the object of the invention consists of a panel for construction essentially composed by two external parts prefabricated in two faces plaster or laminated plaster, and optionally, additional insulating materials such as acoustic blanket, rock wool, acoustic sheet, etc., and an internal part made of a mixture of polyol and isocyanate and a fill element with mineral, synthetic and/or vegetal origin, which may vary depending on the function of the physical characteristics desired.
- the field of application of this invention is the sector of the industry dedicated to the manufacturing of materials for construction.
- polyurethane as insulating agent is also known, although it has been traditionally used projected or injected.
- patent ES 2167226 referred to an improved panel applicable as thermal and acoustic insulation with, however, certain limitations where its application is concerned, which are improved by means of this invention. More precisely, the mentioned patent advocates a pressing process whilst this invention presents a contention of the chemical reaction, meaning a substantial improvement of the process mechanization and a reduction of production costs, besides of implying an essential change since in this case we advocate the industrial production of a "sandwich" type panel finished for direct installation.
- Patent document US4025687 describes a panel in which the external part is made of plaster (plasterboard) and the internal layer is made of isocyanurate foam, i.e., polyol and isocyanate, the inner layer consisting of a solid fill of mineral origin (glass) or synthetic origin (plastic fibers).
- plaster plaster
- isocyanurate foam i.e., polyol and isocyanate
- the inner layer consisting of a solid fill of mineral origin (glass) or synthetic origin (plastic fibers).
- the nucleus of the panel described in US4205687 patent is composed almost exclusively by rigid foam based on polyurethane, which lacks of the density and structural resistance necessary to provide auto load-bearing characteristics to the whole, is not a good acoustic insulation and has not good behaviour against fire by itself.
- Patent DE19849135 discloses a panel the external part of which is made of plaster and the internal part of which is made of polyol and isocyanate (polyurethane foam material), having a solid fill of mineral origin (glass foam).
- the improved panel proposed by the invention means an evident innovation within its application field thanks to a series of advantages which require a detailed explanation.
- the mixture of polyurethane components is well known by industry long since, being applied nowadays mainly injected or projected over a surface.
- the object of the invention is to have controlled the mixture so that it can be made by casting (poured in a mould), adding any type of fill which boosts, increases and improves its insulating physical characteristics.
- the mixture is beaten, afterwards it is poured between the external pre-formed layers of plaster, laminated plaster and/or insulating material, into a mould.
- Such mixture expands within and after a period of time when an expansion occurs due to the chemical reaction of the mixture of polyol and isocyanate, which is controlled by such mould.
- the interior layer compacts with the two external layers, sealing and sticking the external layers with the internal one resulting in a "sandwich" type panel.
- the mould admits multiple shape designs so the thickness, width and length of the piece obtained may be varied according to the target intended.
- the new "sandwich" type auto load-bearing panel applicable as thermal and acoustic insulation and its obtaining process represent, consequently, an innovation of structural and constitutive features unknown so far to such end, reasons which together with its practical utility, provide the invention enough ground to obtain the privilege of the exclusivity requested.
- the internal part (3) is formed by the pre-mixture of polyol and isocyanate. Once the mixture of the two mentioned components is produced, it has to be immediately beaten with the fill.
- the percentages may vary depending on the type of fill to be used.
- the compound in the conditions determined by the previous steps, is poured between the two external layers (2) into a mould, which is closed in order to contain the expansion produced by the chemical reaction of the polyurethane.
- the resulting width of the "sandwich" panel (1) depends on the insulation required by each specific circumstance and, consequently, the mould used shall depend on the same.
- the use of one material or another as fill, or the mixture of several of them, shall be determined by the characteristics required in each case, for example:
- the invention advocated may be directly used as partition wall and for the insulation of the floor or ceiling of a house.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Building Environments (AREA)
Description
- The invention refers to, as expressed on the wording of this descriptive report, an auto load-bearing "sandwich" type panel, applicable as thermal and acoustic insulation, and to the process for its obtaining.
- More specifically, the object of the invention consists of a panel for construction essentially composed by two external parts prefabricated in two faces plaster or laminated plaster, and optionally, additional insulating materials such as acoustic blanket, rock wool, acoustic sheet, etc., and an internal part made of a mixture of polyol and isocyanate and a fill element with mineral, synthetic and/or vegetal origin, which may vary depending on the function of the physical characteristics desired.
- The field of application of this invention is the sector of the industry dedicated to the manufacturing of materials for construction.
- It is well known the existence of fibre boards able to be used in the construction sector, in different places as insulation against external agents.
- The use of polyurethane as insulating agent is also known, although it has been traditionally used projected or injected.
- On the other hand, we know about a patent related to an application similar to the one herein presented, specifically, patent
ES 2167226 - It has to be mentioned also that we have knowledge of the following documents related to this invention.
- Patent document
US4025687 describes a panel in which the external part is made of plaster (plasterboard) and the internal layer is made of isocyanurate foam, i.e., polyol and isocyanate, the inner layer consisting of a solid fill of mineral origin (glass) or synthetic origin (plastic fibers). - Although the panel described in
US4025687 panel has apparent similarities in the parts that form it in respect of the one herein claimed, their differences are remarkable where the composition and functionality of such parts are concerned. - The nucleus of the panel described in
US4205687 patent is composed almost exclusively by rigid foam based on polyurethane, which lacks of the density and structural resistance necessary to provide auto load-bearing characteristics to the whole, is not a good acoustic insulation and has not good behaviour against fire by itself. - The external layers described in
US4025687 patent do not provide structural functionality to such laminated panel, but its function is such of additional insulation or protection of the nucleus from impacts, fire, etc. - And patent
DE19849135 , where a construction material is described based on polyurethane foam improved with the incorporation of glass foam. Also, the use of such material is shown as insulating layer put between the external and internal parts of the external closure of a prefabricated concrete building. - Patent
DE19849135 discloses a panel the external part of which is made of plaster and the internal part of which is made of polyol and isocyanate (polyurethane foam material), having a solid fill of mineral origin (glass foam). - Both patents propose panels or construction materials which are not designed to be auto load-bearing, and that, by the nature of the materials of which they are made, are essentially thermal insulators, not acoustic. Thus, the said panels or construction materials must be mounted as another layer supported or adhered over other structural elements.
- Thus, the improved panel proposed by the invention means an evident innovation within its application field thanks to a series of advantages which require a detailed explanation.
- Firstly, it is pertinent to stress that it allows the achievement of a more effective insulation against noise or thermal fluctuations, using lighter elements.
- Consequently, it is necessary to mention that using panels with thickness similar to the conventional ones but with a lower weight, a higher degree of protection is provided, being such aspect the pillar which supports the key of the invention.
- The mixture of polyurethane components is well known by industry long since, being applied nowadays mainly injected or projected over a surface. The object of the invention is to have controlled the mixture so that it can be made by casting (poured in a mould), adding any type of fill which boosts, increases and improves its insulating physical characteristics.
- Specifically, the mixture is beaten, afterwards it is poured between the external pre-formed layers of plaster, laminated plaster and/or insulating material, into a mould. Such mixture expands within and after a period of time when an expansion occurs due to the chemical reaction of the mixture of polyol and isocyanate, which is controlled by such mould. Once this process is finished, the interior layer compacts with the two external layers, sealing and sticking the external layers with the internal one resulting in a "sandwich" type panel.
- The mould admits multiple shape designs so the thickness, width and length of the piece obtained may be varied according to the target intended.
- The new "sandwich" type auto load-bearing panel applicable as thermal and acoustic insulation and its obtaining process represent, consequently, an innovation of structural and constitutive features unknown so far to such end, reasons which together with its practical utility, provide the invention enough ground to obtain the privilege of the exclusivity requested.
- In order to complement the description being made and to help a better comprehension of the characteristics of the invention, attached to this descriptive report, and as a part of the same, is a set of layouts on which the following was represented with illustrative non-limitative character:
- Figure number 1.- It shows a perspective sight of an example of the making of the load-bearing "sandwich" type panel applicable as thermal and acoustic insulation, where we can see the parts composing it as well as its configuration and disposition.
- Figure number 2.- It shows a detail of a section sight of the panel represented in
figure 1 . - In the light of the descriptive figures, and according to their numbering, it may be seen that the panel (1) in question formed by:
- Two external parts (2) formed by a material mainly manufactured with plaster or laminated plaster in two layers and, in some cases, additional insulating materials (acoustic blanket or sheet, rock wool, fibre glass, etc.).
- And an internal part (3) made with a mixture of:
- Polyol, in an approximate percentage of 20%.
- Isocyanate, in an approximate percentage of 20%
- Fill (expanded perlite, expanded clay, polystyrene, graphite, fibres or any other mineral, vegetal and/or synthetic fill or a mixture of them, depending on the intended physical features), in an approximate percentage of 60%.
- It has to be mentioned that the internal part (3) is formed by the pre-mixture of polyol and isocyanate. Once the mixture of the two mentioned components is produced, it has to be immediately beaten with the fill.
- The percentages may vary depending on the type of fill to be used.
- After this operation, the compound, in the conditions determined by the previous steps, is poured between the two external layers (2) into a mould, which is closed in order to contain the expansion produced by the chemical reaction of the polyurethane.
- Once 15-20 minutes approximately have elapsed, the internal layer and the external ones get compact, sealed and stuck, without the intervention of any other type of additive.
- Consequently, at that moment the formation of the plaques which develop the function of thermal and acoustic insulation takes place.
- The resulting width of the "sandwich" panel (1) depends on the insulation required by each specific circumstance and, consequently, the mould used shall depend on the same.
- In the internal part (3) of the panel (1), the use of one material or another as fill, or the mixture of several of them, shall be determined by the characteristics required in each case, for example:
- In order to improve fire resistance: Use of fireproof materials with very high melting and softening points (expanded clay, vermiculite, expanded perlite) or which protect the mixture as a whole due to its intrinsic properties (graphite).
- In order to improve the acoustic insulation: Use of materials which break the sound waves by means of superimposed layers of mineral, vegetal and/or synthetic fibres (fibre glass, rock wool, etc.), and/or use of materials which, due to its porous nature, act as acoustic insulators (expanded perlite, expanded clay, etc.).
- In order to improve the thermal insulation: Use of materials which join the considerable thermal insulation inherent to polyurethane, either due to their fibrous composition (rock wool, fibre glass) or their porous nature (expanded perlite, expanded clay, etc.).
- Although for certain situations, when additional levels of insulation are required, specific materials to such end will be used in the external layers, thus achieving higher thermal and/or acoustic insulation, as well as more fire, impact, humidity resistance, etc.
- The invention advocated may be directly used as partition wall and for the insulation of the floor or ceiling of a house.
- Its load-bearing character is also advocated since the density of the material achieved during the process allows its installation without need of frame structural elements.
- Having described the nature of this invention as well as the way to put it into practice, it is not considered necessary to extend further its explanation for an expertise in the field to understand its reach and derived advantages, indicating that, within its essentiality, it might be put in practice under other ways of making differing in detail from the one stated as an example, which will also be covered by the protection applied for provided that its fundamental principle as defined by the appended claims is not altered, changed or modified.
Claims (5)
- AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, of the type constituted by two external parts (2) shaped by a material mainly manufactured from plaster or laminated plaster and, in some cases, additional insulating materials, such as acoustic blanket or sheet, rock wool, fibre glass, etc., and by an internal layer (3) made with the mixture of polyol and isocyanate with a solid fill of mineral or synthetic origin characterized by the fact that in addition to the solid fill of the internal layer (3) being expanded perlite, vermiculite or expanded clay when it is of mineral origin, it is, also or alternatively, of vegetal origin, or is made from a mixture of the same, according to the sought physical features of fire-resistant, acoustic or thermal insulation.
- AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, according to claim 1, characterized by the fact that the mineral, synthetic and/or vegetal fill of the internal parte (3) constitutes approximately 60% of the total mixture.
- AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, according to claim 1, characterized by the fact that the component of liquid polyurethane used, the polyol, constitutes approximately 20% of the total of the mixture of the internal part (3).
- AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, according to claim 1, characterised by the fact that the component of liquid polyurethane used, the isocyanate, constitutes approximately 20% of the total of the mixture of the internal part (3).
- PROCESS FOR THE OBTAINING OF AN AUTO LOAD-BEARING IMPROVED "SANDWICH" TYPE PANEL, APPLICABLE AS THERMAL AND ACOUSTIC INSULATION, according to claims 1 to 4, characterised by the fact of consisting of:- Firstly, a pre-mixture of polyol with isocyanate is made.- Immediately then, such pre-mixture is beaten with the fill.- Afterwards, the mixture obtained is poured like casting between the external layers (2), within a mould which is closed to restrain the expansion produced by the chemical reaction of the polyurethane.- After approximately 15-20 minutes, the internal and external layers get compact, sealed and stuck, without any type of additive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070380247 EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070380247 EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2034102A1 EP2034102A1 (en) | 2009-03-11 |
EP2034102B1 true EP2034102B1 (en) | 2013-10-23 |
Family
ID=39469612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20070380247 Not-in-force EP2034102B1 (en) | 2007-09-07 | 2007-09-07 | Self-supporting sandwich panel of plasterboard with polyurethane core |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP2034102B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10287770B2 (en) | 2015-11-04 | 2019-05-14 | Omnis Advanced Technologies | Systems, methods, apparatus, and compositions for building materials and construction |
CN110194642A (en) * | 2019-06-02 | 2019-09-03 | 中美建材有限公司 | A kind of water proof type plasterboard and preparation method thereof |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318708B2 (en) * | 2016-07-04 | 2022-05-03 | Rockwool International A/S | Panel |
IT202000011965A1 (en) * | 2020-05-21 | 2021-11-21 | Int Trading Company S R L | INSULATED PANEL FOR CIVIL AND INDUSTRIAL APPLICATIONS AND RELATED MANUFACTURING PROCEDURE WITH INNOVATIVE INSULATED FLUID MIXTURE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1539431A (en) * | 1966-10-03 | 1968-09-13 | Method and device for manufacturing flat wall or ceiling elements | |
GB1173627A (en) * | 1967-03-17 | 1969-12-10 | Bpb Industries Ltd | Insulation Material. |
GB1470066A (en) | 1974-10-08 | 1977-04-14 | Ici Ltd | Laminates |
US4205687A (en) | 1977-07-29 | 1980-06-03 | Diagnostic Electronics Corporation | Color coded blood flow velocity display equipment |
DE19849135A1 (en) | 1998-10-23 | 2000-04-27 | D.D.C. Planungs-, Entwicklungs- Und Management Ag | Polyurethane foam-based building material contains foliated glass as mineral filler added during the preparation but prior to foaming |
ES2167226B1 (en) | 2000-04-14 | 2003-05-01 | Fernandez Jorge Guerra | PERFECTED PANEL APPLICABLE AS THERMAL AND ACOUSTIC INSULATION. |
-
2007
- 2007-09-07 EP EP20070380247 patent/EP2034102B1/en not_active Not-in-force
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10287770B2 (en) | 2015-11-04 | 2019-05-14 | Omnis Advanced Technologies | Systems, methods, apparatus, and compositions for building materials and construction |
US10745905B2 (en) | 2015-11-04 | 2020-08-18 | Omnis Advanced Technologies, LLC | Systems, methods, apparatus, and compositions for building materials and construction |
CN110194642A (en) * | 2019-06-02 | 2019-09-03 | 中美建材有限公司 | A kind of water proof type plasterboard and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
EP2034102A1 (en) | 2009-03-11 |
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