ITUB20154161A1 - MIXTURE, IN PARTICULAR SHAVING MIXTURE, FOR CONSTRUCTION COVERINGS - Google Patents
MIXTURE, IN PARTICULAR SHAVING MIXTURE, FOR CONSTRUCTION COVERINGS Download PDFInfo
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- ITUB20154161A1 ITUB20154161A1 ITUB2015A004161A ITUB20154161A ITUB20154161A1 IT UB20154161 A1 ITUB20154161 A1 IT UB20154161A1 IT UB2015A004161 A ITUB2015A004161 A IT UB2015A004161A IT UB20154161 A ITUB20154161 A IT UB20154161A IT UB20154161 A1 ITUB20154161 A1 IT UB20154161A1
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- 239000000203 mixture Substances 0.000 title claims description 95
- 238000010276 construction Methods 0.000 title description 2
- 238000000576 coating method Methods 0.000 claims description 24
- 239000000654 additive Substances 0.000 claims description 18
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000009499 grossing Methods 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 11
- 239000001913 cellulose Substances 0.000 claims description 9
- 229920002678 cellulose Polymers 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 8
- 239000000057 synthetic resin Substances 0.000 claims description 8
- 239000004005 microsphere Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000010451 perlite Substances 0.000 claims description 5
- 235000019362 perlite Nutrition 0.000 claims description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 229920001410 Microfiber Polymers 0.000 claims description 4
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 239000003658 microfiber Substances 0.000 claims description 4
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000004572 hydraulic lime Substances 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 235000012215 calcium aluminium silicate Nutrition 0.000 claims description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 239000011796 hollow space material Substances 0.000 claims description 2
- 239000011396 hydraulic cement Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000009413 insulation Methods 0.000 description 11
- 239000005296 rasotherm Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 239000011416 natural hydraulic lime Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- -1 acryl-siloxane Chemical class 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000834 fixative Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013101 initial test Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/021—Agglomerated materials, e.g. artificial aggregates agglomerated by a mineral binder, e.g. cement
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
-
- 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
- C04B28/02—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 hydraulic cements other than calcium sulfates
- C04B28/10—Lime cements or magnesium oxide cements
- C04B28/12—Hydraulic lime
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Civil Engineering (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Insulated Conductors (AREA)
Description
MISCELA, IN PARTICOLARE MISCELA RASANTE, PER RIVESTIMENTI EDILI. MIXTURE, IN PARTICULAR SKIN MIXTURE, FOR BUILDING COVERINGS.
DESCRIZIONE DESCRIPTION
Campo tecnico dell’invenzione Technical field of the invention
L’invenzione concerne una miscela per rivestimenti edili. In particolare si tratta di un rasante termico a base di leganti e aggregati isolanti. Si descrivono inoltre una composizione di additivi per tale miscela e un relativo rivestimento edile termico. The invention concerns a mixture for building coatings. In particular, it is a thermal smoothing compound based on binders and insulating aggregates. A composition of additives for this mixture and a related thermal building coating are also disclosed.
Stato della Tecnica State of the art
L’isolamento termico è un aspetto fondamentale nel settore dell’edilizia. Grande importanza viene data al miglioramento dell’isolamento termico di edifici già esistenti non sufficientemente isolati. I miglioramenti sono finalizzati alla riduzione del consumo energetico utilizzato nel riscaldamento invernale e nel raffreddamento estivo, alla riduzione dell’umidità all’interno dell’edificio, alla riduzione dei ponti termici strutturali, all’attenuazione dell’effetto crak (cavillature) su intonaci esterni imputabile alla discontinuità degli elementi costruttivi e alle sempre più forti escursioni termiche. Thermal insulation is a fundamental aspect in the construction sector. Great importance is given to improving the thermal insulation of already existing buildings that are not sufficiently insulated. The improvements are aimed at reducing energy consumption used in winter heating and summer cooling, at reducing humidity inside the building, at reducing structural thermal bridges, at attenuating the crack effect (cracking) on external plasters. attributable to the discontinuity of the constructive elements and to the increasingly strong thermal excursions.
Il mercato offre una vasta gamma di prodotti per rivestimenti edili che comprendono resine acriliche, viniliche o acril-silossaniche, polveri di alluminio, biossido di titanio, cariche inerte cave, additivi e acqua o anche pasta di grassello di calce. Questi prodotto non sono sempre soddisfacenti dal punto di vista dell’isolamento termico in combinazione con qualità richieste come flessibilità, traspirabilità, resistenza al fuoco, leggerezza, colorabi lità in massa, adattabilità alle esigenze di spessore, resistenza meccanica, facilità di applicazione. The market offers a wide range of products for building coatings which include acrylic, vinyl or acryl-siloxane resins, aluminum powders, titanium dioxide, inert hollow fillers, additives and water or even lime putty paste. These products are not always satisfactory from the point of view of thermal insulation in combination with required qualities such as flexibility, breathability, fire resistance, lightness, mass colorability, adaptability to thickness requirements, mechanical strength, ease of application.
Presentazione dell’invenzione Presentation of the invention
Scopo dell’invenzione è proporre una miscela, in particolare una miscela rasante, per rivestimenti edili che oltre a presentare buone qualità in termini di flessibilità, traspirabilità, resistenza al fuoco, leggerezza, colorab il ità in massa, adattabilità alle esigenze di spessore, resistenza meccanica, facilità di applicazione abbia alte prestazioni in termini di isolamento termico. The purpose of the invention is to propose a mixture, in particular a smoothing mixture, for building coatings which, in addition to having good qualities in terms of flexibility, breathability, fire resistance, lightness, mass colorability, adaptability to thickness requirements, resistance mechanical, ease of application has high performance in terms of thermal insulation.
Gli scopi prima ricordati, altri scopi e vantaggi che saranno meglio evidenziati in seguito sono raggiunti da una miscela come definita dalla prima rivendicazione, e precisamente da una miscela, in particolare una miscela rasante, per rivestimenti edili comprendente: (a) da 20 a 40 % in peso di un legante; The objects mentioned above, other objects and advantages that will be better highlighted hereinafter are achieved by a mixture as defined by the first claim, and more precisely by a mixture, in particular a smoothing mixture, for building coatings comprising: (a) from 20 to 40 % by weight of a binder;
(b) da 30 a 50 % in peso di un aggregato isolante; (b) from 30 to 50% by weight of an insulating aggregate;
(c) da 0,5 a 5 % in peso di una resina sintetica; (c) 0.5 to 5% by weight of a synthetic resin;
(d) da 0,5 a 2,5 % in peso di cellulose; (d) 0.5 to 2.5% by weight of cellulose;
(e) da 2 a 10 % in peso di un aggregato pozzolanico; (e) 2 to 10% by weight of a pozzolan aggregate;
(f) da 10 a 26 % in peso di un aggregato inerte; e (f) 10 to 26% by weight of an inert aggregate; And
(g) da 0,1 a 1 ,5 % in peso di additivi di lavorabilità, (g) 0.1 to 1.5% by weight of workability additives,
in cui le percentuali in peso si riferiscono al peso totale della miscela. In una variante preferita dell’invenzione, la miscela è una miscela secca solida, in particolare una polvere. Ipotizzabili sono anche miscele a forma di pasta o simili. Preferibilmente, la miscela solida non comprende ulteriori ingredienti, ma solo gli ingredienti da (a) a (ø)-Vantaggiosamente, la miscela è un rasante termico anticondensa. La miscela secondo l’invenzione si distingue per un ottimo isolamento termico se applicata come rivestimento edile. Tale isolamento termico elevato è stato ottenuto grazie alla presenza di una particolare configurazione di elementi aggiuntivi, i componenti da (c) a (g), nella composizione base di leganti e aggregati isolanti (componenti (a) e (b)). La particolare configurazione dei componenti da (c) a (g), come anche descritto nella rivendicazione 10, ha permesso di aumentare il contenuto in aggregato isolante a percentuali da 30 a 50 % in peso, in particolare a percentuali attorno al 40 % in peso. Miscele rasanti o intonaci noti non presentano percentuali così alte di aggregati isolanti. in which the percentages by weight refer to the total weight of the mixture. In a preferred variant of the invention, the mixture is a solid dry mixture, in particular a powder. Also conceivable are mixtures in the form of pasta or the like. Preferably, the solid mixture does not comprise further ingredients, but only the ingredients from (a) to (ø). Advantageously, the mixture is an anti-condensation thermal skim coat. The mixture according to the invention is distinguished by excellent thermal insulation when applied as a building coating. This high thermal insulation was obtained thanks to the presence of a particular configuration of additional elements, components (c) to (g), in the basic composition of binders and insulating aggregates (components (a) and (b)). The particular configuration of the components from (c) to (g), as also described in claim 10, has allowed to increase the content of insulating aggregate to percentages from 30 to 50% by weight, in particular to percentages around 40% by weight. . Known smoothing mixtures or plasters do not have such high percentages of insulating aggregates.
Preferibilmente, la miscela secondo l’invenzione comprende i suddetti ingredienti nelle seguenti concentrazioni: Preferably, the mixture according to the invention comprises the aforementioned ingredients in the following concentrations:
(a) da 30 a 35 % in peso di un legante; (a) 30 to 35% by weight of a binder;
(b) da 38 a 42 % in peso, preferibilmente circa il 40 % in peso di un aggregato isolante; (b) 38 to 42% by weight, preferably about 40% by weight of an insulating aggregate;
(c) da 1 ,5 a 2,5 % in peso, preferibilmente ca. il 2 % in peso di una resina sintetica; (c) from 1.5 to 2.5% by weight, preferably approx. 2% by weight of a synthetic resin;
(d) da 1 ,0 a 1 ,6 % in peso, preferibilmente ca. Γ 1 ,3 % in peso di cellulose; (d) from 1.0 to 1.6% by weight, preferably approx. Γ 1.3% by weight of cellulose;
(e) da 4 a 6 % in peso di un aggregato pozzolanico; (e) from 4 to 6% by weight of a pozzolanic aggregate;
(f) da 15 a 20 % in peso, preferibilmente circa il 17 % in peso di un aggregato inerte; e (f) from 15 to 20% by weight, preferably about 17% by weight of an inert aggregate; And
(g) da 0,3 a 0,7 % in peso, preferibilmente circa lo 0,5 % in peso di additivi di lavorabilità, (g) 0.3 to 0.7% by weight, preferably about 0.5% by weight of workability additives,
in cui le percentuali in peso si riferiscono al peso totale della miscela. In una variante vantaggiosa dell'invenzione, il legante è scelto dal gruppo costituito da calce idraulica, cemento, e silico alluminati di calcio, e miscele di questi. in which the percentages by weight refer to the total weight of the mixture. In an advantageous variant of the invention, the binder is selected from the group consisting of hydraulic lime, cement, and calcium silico aluminates, and mixtures of these.
Vantaggiosamente, l’aggregato isolante è un materiale inerte cavo espanso, preferibilmente scelto dal gruppo costituito da microsfere di vetro espanso, perlite espansa, microsfere di ceramica, e miscele di questi. Advantageously, the insulating aggregate is an inert expanded hollow material, preferably chosen from the group consisting of expanded glass microspheres, expanded perlite, ceramic microspheres, and mixtures of these.
Preferibilmente, la resina sintetica è una resina vinilica disperdibile. Idonei sono per esempio anche copolimeri vinil versatici. Una tale resina migliora l’aggrappo della miscela. Preferably, the synthetic resin is a dispersible vinyl resin. Suitable for example are also vinyl versatic copolymers. Such a resin improves the adhesion of the mixture.
Vantaggiosamente, la cellulosa è presente in forma di polvere. La cellulosa ha funzione di lavorabilità della miscela. Advantageously, the cellulose is present in the form of a powder. The cellulose has the function of workability of the mixture.
In una variante preferita dell’Invenzione, l’aggregato pozzolanico è scelto dal gruppo costituito da cocciopesto, caolino e miscele di questi. In a preferred variant of the invention, the pozzolanic aggregate is chosen from the group consisting of cocciopesto, kaolin and mixtures of these.
L’aggregato inerte, preferibilmente, è scelto dal gruppo costituito da carbonati, materiali silicei e miscele di questi. The inert aggregate, preferably, is chosen from the group consisting of carbonates, siliceous materials and mixtures of these.
Gli additivi di lavorabilità sono preferibilmente scelti tra fluidificanti, idrofobizzanti, microfibre e miscele di questi, in particolare sono una miscela di un fluidificante, un idrofobizzante e microfibre. The workability additives are preferably chosen from fluidifying, hydrophobic, microfibers and mixtures of these, in particular they are a mixture of a fluidifier, a hydrophobic agent and microfibers.
Con i suddetti specifici ingredienti e negli intervalli di concentrazioni preferiti, la miscela mostra le migliori prestazioni in termini di isolamento termico. With the aforementioned specific ingredients and in the preferred concentration ranges, the blend exhibits the best performance in terms of thermal insulation.
I specifici tipi di ingredienti possono essere scelti indipendentemente tra di essi oppure combinati tra di essi, come risulta dalle rivendicazioni dipendenti. The specific types of ingredients can be chosen independently from each other or combined with each other, as is apparent from the dependent claims.
La miscela secondo l’invenzione può essere applicata su qualsiasi supporto. A tale scopo si produce un impasto aggiungendo acqua o un altro solvente. Un ulteriore aspetto dell’invenzione concerne un impasto comprendente la miscela secondo l’invenzione e uno o più solventi; preferibilmente il solvente è acqua. La quantità del solvente è dettata dalla consistenza dell’impasto che si vuole ottenere per applicare l’impasto, per esempio a spatola, a pennello o a spruzzo. L’impasto può essere applicato in spessori variabili. Spessori preferiti sono ≥ 2 mm, preferibilmente ≥ 3 mm. Sono ipotizzabili spessori fino a 5 mm, 10 mm o anche superiori. È ipotizzabile la sovrapposizione di più strati che è preferibile per spessori totali superiori ai 5 mm. L’impasto può essere applicato, per esempio, tramite spatola, pennello o anche a spruzzo. The mixture according to the invention can be applied on any support. For this purpose a mixture is produced by adding water or another solvent. A further aspect of the invention concerns a mixture comprising the mixture according to the invention and one or more solvents; preferably the solvent is water. The amount of solvent is dictated by the consistency of the mixture to be obtained to apply the mixture, for example with a spatula, brush or spray. The mixture can be applied in varying thicknesses. Preferred thicknesses are ≥ 2 mm, preferably ≥ 3 mm. Thicknesses up to 5 mm, 10 mm or even higher are conceivable. The overlapping of several layers is conceivable, which is preferable for total thicknesses greater than 5 mm. The mixture can be applied, for example, by spatula, brush or even by spray.
Un altro aspetto dell’invenzione riguarda un rivestimento edile che comprende la miscela secondo l’invenzione. Un tale rivestimento, una volta asciugato, non si scioglie, non assorbe umidità, non è attaccabile da parassiti, ed è ignifugo. Gli spessori del rivestimento secondo l’invenzione corrispondono a quelli sopra menzionati per gli strati d’impasto applicati. Another aspect of the invention relates to a building coating which includes the mixture according to the invention. Once dried, such a coating does not melt, does not absorb moisture, is not attackable by parasites, and is fireproof. The thicknesses of the coating according to the invention correspond to those mentioned above for the layers of mixture applied.
Un ulteriore aspetto dell’invenzione concerne una composizione di additivi per miscele, in particolare per miscele rasanti, per rivestimenti edili che è costituita da: A further aspect of the invention concerns a composition of additives for mixtures, in particular for smoothing mixtures, for building coatings which consists of:
(i) da 5 a 50 parti in peso di una resina sintetica; (i) 5 to 50 parts by weight of a synthetic resin;
(ii) da 5 a 25 % parti in peso di cellulose; (ii) 5 to 25% parts by weight of cellulose;
(ìii) da 20 a 100 parti in peso di un aggregato pozzolanico; (ii) from 20 to 100 parts by weight of a pozzolanic aggregate;
(iv) da 100 a 260 parti in peso di un aggregato inerte; e (iv) from 100 to 260 parts by weight of an inert aggregate; And
(v) da 1 a 15 parti in peso di additivi di lavorabilità. (v) from 1 to 15 parts by weight of workability additives.
Una siffatta composizione permette, se aggiunta a una miscela base per rivestimenti edili comprendente leganti e aggregati isolanti, di raggiungere concentrazioni elevate di aggregati isolanti in miscele per rivestimenti edili e conseguentemente nell’impasto da applicare e nel rivestimento finale. La concentrazione dell’aggregato isolante (preferibilmente ≥ 30 % in peso) nel rivestimento, dopo l’evaporazione di solventi presenti nell’impasto applicato, corrisponde essenzialmente alla concentrazione dell’aggregato isolante nella miscela secondo l’invenzione. Such a composition allows, if added to a basic mixture for building coatings including binders and insulating aggregates, to reach high concentrations of insulating aggregates in mixtures for building coatings and consequently in the mixture to be applied and in the final coating. The concentration of the insulating aggregate (preferably ≥ 30% by weight) in the coating, after the evaporation of solvents present in the applied mixture, essentially corresponds to the concentration of the insulating aggregate in the mixture according to the invention.
Un ultimo aspetto dell’invenzione si riferisce quindi anche all’uso della suddetta composizione di additivi in miscele per rivestimenti edili per aumentare la concentrazione dell’aggregato isolante nel rivestimento, in particolare per ottenere concentrazioni > 30 % in peso. A final aspect of the invention therefore also refers to the use of the aforementioned composition of additives in mixtures for building coatings to increase the concentration of the insulating aggregate in the coating, in particular to obtain concentrations> 30% by weight.
La miscela seconda l’invenzione si ottiene preferibilmente miscelando tutti gli ingredienti indicati nella prima rivendicazione nelle rispettive qualità e quantità scelte. Un particolare ordine della miscelazione non è necessario. The mixture according to the invention is preferably obtained by mixing all the ingredients indicated in the first claim in the respective quality and quantity chosen. A particular order of mixing is not necessary.
Tutte le caratteristiche indicate sopra per la miscela secondo l’invenzione sono, mutatis mutandis, trasferibili all’impasto, alla composizione di additivi e al rivestimento secondo l’invenzione. All the characteristics indicated above for the mixture according to the invention are, mutatis mutandis, transferable to the mixture, the composition of additives and the coating according to the invention.
Gli scopi e i vantaggi detti verranno meglio evidenziati durante la descrizione di preferite forme di esecuzione dell'invenzione data a titolo indicativo, ma non limitativo The aforementioned purposes and advantages will be better highlighted during the description of preferred embodiments of the invention given as an indication, but not limitative.
Varianti dell’invenzione sono oggetto delle rivendicazioni dipendenti. La descrizione di preferiti esempi di esecuzione della miscela, della composizione di additivi e del suo uso, dell’impasto e del rivestimento secondo l’invenzione viene data a titolo esemplificativo e non limitativo. Variants of the invention are the subject of dependent claims. The description of preferred examples of execution of the mixture, of the composition of additives and its use, of the mixture and of the coating according to the invention is given by way of non-limiting example.
Descrizione di preferiti esempi di esecuzione Description of preferred execution examples
La seguente tabella 1 riassume composizioni preferite della miscela secondo l’invenzione (i percentuali in peso si riferiscono al peso totale della miscela): The following table 1 summarizes preferred compositions of the mixture according to the invention (the percentages by weight refer to the total weight of the mixture):
Tabella 1 Table 1
componente esempi % in peso % in percentuale minimo peso in peso massimo preferita (prodotto H-55 PV RasoTherm della HERES SRL) legante silico alluminati di 20 40 30 - 35 calcio (calce idraulica component examples% by weight% by percentage minimum weight by maximum weight preferred (product H-55 PV RasoTherm by HERES SRL) binder silica aluminates of 20 40 30 - 35 calcium (hydraulic lime
o cemento) or concrete)
aggregato inerti cavi espansi 30 50 40 isolante termicamente aggregate inert expanded cables 30 50 40 thermally insulating
(microsfere di vetro (glass microspheres
espanso, perlite expanded, perlite
espansa, microsfere expanded, microspheres
di ceramica) ceramic)
resina vinile disperdibile 0,5 5 2 dispersible vinyl resin 0.5 5 2
sintetica synthetic
cellulose in 0,5 2,5 1,3 cellulose in 0.5 2.5 1.3
polvere dust
aggregati cocciopesto e caolino 2 10 4 - 6 cocciopesto and kaolin aggregates 2 10 4 - 6
pozzolanici pozzolanics
aggregati carbonati o silicei 10 26 17 carbonate or siliceous aggregates 10 26 17
inerti inert
additivi di fluidificanti, 0,1 1,5 0,5 fluidifying additives, 0.1 1.5 0.5
lavorabilità idrofobizzanti, hydrophobic workability,
microfibra microfiber
Un esempio esecutivo all’interno della suddetta miscela è un rasante idraulico fibrorinforzato, a base di calce NHL (Naturai jHydraulic Lime - calce idraulica naturale), calce idrata, cocciopesto, perlite espansa rivestita (preferibilmente rivestita con un rivestimento di natura siliconica) , vetro cellulare, inerti leggeri e resine. An executive example within the aforementioned mixture is a fiber-reinforced hydraulic smoothing compound, based on NHL lime (Naturai jHydraulic Lime - natural hydraulic lime), hydrated lime, cocciopesto, coated expanded perlite (preferably coated with a silicone-based coating), glass cellular, light aggregates and resins.
Il prodotto è biocompatibile e finalizzato al risparmio energetico degli edifici, alla riduzione della condensazione e delle conseguenti muffe, al miglioramento dell’isolamento e dei ponti termici su intonaci tradizionali, pilastri, vecchie murature discontinue, spallette di porte e finestre, blocchi cellulari, pannelli per cappotto termico. The product is biocompatible and aimed at energy saving in buildings, reducing condensation and consequent molds, improving insulation and thermal bridges on traditional plasters, pillars, old discontinuous walls, door and window shoulders, cell blocks, panels for thermal insulation.
Il potere isolante della perlite espansa rivestita e delle microsfere di vetro cellulare, unito a quello del cocciopesto generano una grande presenza di celle d’aria fonte di coibentazione pur mantenendo la traspirabilità e massa. L’aria quanto più è racchiusa in piccoli spazi, tanto più aumenta il suo potere coibente. L’impasto applicato non assorbe calore, abbassando il valore di conduttanza termica. Lo spessore minimo è vantaggiosamente 3 mm/m<2>; spessori maggiori migliorano le proprietà isolanti. The insulating power of the coated expanded perlite and the cellular glass microspheres, combined with that of the cocciopesto generate a large presence of air cells as a source of insulation while maintaining breathability and mass. The more air it is enclosed in small spaces, the more its insulating power increases. The applied mixture does not absorb heat, lowering the thermal conductance value. The minimum thickness is advantageously 3 mm / m <2>; greater thicknesses improve the insulating properties.
Per eliminare i ponti termici derivanti da pilastri e travi, è opportuno applicare il prodotto sui quattro lati, con uno spessore di 5 - 6 mm, così come per eliminare problemi di condensazione. To eliminate thermal bridges deriving from pillars and beams, it is advisable to apply the product on all four sides, with a thickness of 5 - 6 mm, as well as to eliminate condensation problems.
La tabella 2 riporta i dati tecnici di un impasto a base di acqua ottenuto con una miscela con le concentrazioni preferite sopra indicate: Table 2 shows the technical data of a water-based mixture obtained with a mixture with the preferred concentrations indicated above:
Tabella 2 Table 2
acqua d’impasto circa 24 % in granulometria ca. 1 mm peso miscela di fondo granulometria ca. 0,3 mm miscela fine mixing water about 24% in particle size approx. 1 mm weight of base mix particle size approx. 0.3 mm fine mixture
conducibilità λ = 0,05 W/mK spessore 5 mm termica massimo per conductivity λ = 0.05 W / mK thickness 5 mm maximum thermal for
strato layer
massa polvere ca. 550 kg/m<3>resistenza a ca. 0,5 N/mm<2>compressione a powder mass approx. 550 kg / m <3> strength at approx. 0.5 N / mm <2> compression a
28 gg. 28 days
resa ca. 0,6 kg/m<2>x 1 resistenza al μ < 8 yield approx. 0.6 kg / m <2> x 1 resistance to μ <8
mm di spessore vapore mm of steam thickness
legante di base calce NHL 3,5 conformità UNI EN 998-1 lime-based binder NHL 3.5 compliance UNI EN 998-1
In un esempio esecutivo, l’applicazione viene eseguita su supporti ben aggregati; eventuali parti sfarinanti o in fase di distacco vengono eliminate. In presenza di supporti assorbenti è consigliabile bagnare le superfici prima dell’applicazione del prodotto. Si mescola la miscela con circa 5-6 litri di acqua pulita per sacco da 15 kg. Per un impasto omogeneo e privo di grumi è consigliabile eseguire la miscelazione meccanicamente (con miscelatore), aggiungendo 2/3 dell’acqua all’inizio e la rimanente dopo alcuni minuti di miscelazione fino a raggiungere la fluidità desiderata. Piccoli quantitativi possono comunque essere mescolati manualmente. Nell’applicazione del rasante è consigliato l’inserimento di una rete d’armatura in fibra di vetro. In an executive example, the application is performed on well-aggregated supports; any flaky or flaking parts are eliminated. In the presence of absorbent substrates, it is advisable to wet the surfaces before applying the product. The mixture is mixed with about 5-6 liters of clean water per 15 kg bag. For a homogeneous and lump-free mixture it is advisable to mix mechanically (with a mixer), adding 2/3 of the water at the beginning and the remaining after a few minutes of mixing until the desired fluidity is reached. Small quantities can however be mixed manually. When applying the smoothing compound, the insertion of a glass fiber reinforcement mesh is recommended.
Si applica il primo strato con spatola americana d’acciaio dentata, dentatura in funzione dello spessore, si fissa la rete di rinforzo, appena possibile si procede con una nuova applicazione a lama dritta per planare la superficie e nel caso sia prevista l’applicazione di pittura, si frattazza l’applicato con un utensile di spugna o di plastica prima del completo essiccamento. The first layer is applied with a toothed steel American trowel, toothed according to the thickness, the reinforcing mesh is fixed, as soon as possible proceed with a new straight blade application to plan the surface and if the application of paint, float the applied with a sponge or plastic tool before it is completely dry.
Preferibilmente, non si supera lo spessore di 5 mm per singolo strato. Spessori elevati vengono realizzati applicando più strati, anche con l’ausilio di guide. Prima di procedere alla realizzazione del rivestimento di finitura, si attende la completa essiccazione del rasante anche in profondità (per esempio: almeno 36 ore a 20° C per spessori di 5 mm). I tempi possono allungarsi in funzione delle condizioni climatiche e spessori di prodotto applicato. Nel caso di supporti friabili è consigliata la preventiva applicazione di un consolidante (naturale in acqua di calce oppure un fissativo all’acqua). Preferably, the thickness of 5 mm per single layer is not exceeded. High thicknesses are achieved by applying multiple layers, even with the aid of guides. Before proceeding with the realization of the finishing coating, wait for the complete drying of the smoothing compound, even in depth (for example: at least 36 hours at 20 ° C for thicknesses of 5 mm). The times may lengthen depending on the climatic conditions and thicknesses of the product applied. In the case of crumbly substrates, the prior application of a consolidating agent (natural in lime water or a water fixative) is recommended.
Il prodotto viene conservato in ambiente asciutto e al riparo da gelo, pioggia e umidità. Si consiglia di operare a temperature comprese tra i 5°C ed i 32°C e di proteggere il rivestimento ritenuto da gelo, pioggia, vento e sole fino a completa asciugatura dello stesso. Da evitare è possibilmente anche la rapida essiccazione per evitare cavillature e distacchi. La miscela secondo l’invenzione preferibilmente non viene mescolata con altri cementi, additivi, o altre sostanze in genere. The product is stored in a dry environment and protected from frost, rain and humidity. It is advisable to operate at temperatures between 5 ° C and 32 ° C and to protect the covering from frost, rain, wind and sun until it is completely dry. Rapid drying should also be avoided if possible to avoid cracking and detachment. The mixture according to the invention is preferably not mixed with other cements, additives, or other substances in general.
Sono state eseguite prove iniziali di tipo (ITT) e prove per determinare le prestazioni termiche invernali ed estive sul vostro prodotto Ή-55 PV RasoTherm” (ultima colonna, tabella 1). Initial Type Tests (ITT) and tests were performed to determine the winter and summer thermal performance on your Ή-55 PV RasoTherm ”product (last column, table 1).
Come prove iniziali di tipo ITT, secondo quanto previsto dall’Appendice ZA della norma UNI EN 998-1 :2010 si sono effettuate le seguenti prove: assorbimento d’acqua (C) (UNI EN 1015-18:2004); permeabilità al vapore acqueo (μ) (UNI EN 1015-19:2008); e conducibilità termica (μ) (UNI EN 12667:2002). As initial ITT tests, according to the provisions of Appendix ZA of the UNI EN 998-1: 2010 standard, the following tests were carried out: water absorption (C) (UNI EN 1015-18: 2004); permeability to water vapor (μ) (UNI EN 1015-19: 2008); and thermal conductivity (μ) (UNI EN 12667: 2002).
Per la determinazione di proprietà termiche, si sono svolte le seguenti prove su una muratura da 30 cm prima e dopo l’applicazione del prodotto “H-55 PV RasoTherm” (UNI EN 1934:2000 - Prestazione termica degli edifici. Determinazione della resistenza termica per mezzo del metodo della camera calda con termo flussimetro. Muratura). For the determination of thermal properties, the following tests were carried out on a 30 cm masonry before and after the application of the product "H-55 PV RasoTherm" (UNI EN 1934: 2000 - Thermal performance of buildings. Determination of thermal resistance by means of the hot chamber method with thermo flow meter. Masonry).
I risultati ottenuti dalle misure sono stati i seguenti: The results obtained from the measurements were the following:
PROVE INIZIALI DI TIPO ITT ITT-TYPE INITIAL TESTS
Assorbimento d’acqua: C= 0,1 (kg/m<2>min °’<5>) (classe W2) Permeabilità al vapore acqueo: μ = 9 Water absorption: C = 0.1 (kg / m <2> min ° '<5>) (class W2) Permeability to water vapor: μ = 9
Conducibilità termica: λ = 0,12 W/mK Thermal conductivity: λ = 0.12 W / mK
PROPRIETÀ TERMICHE INVERNALI WINTER THERMAL PROPERTIES
Tabella 3 Table 3
Grandezza Muratura tal quale Con rasatura termica (muratura da 30 cm) H-55 PV RasoTherm Resistenza termica R = 1 ,33 m<2>K/W R = 1 ,78 m<2>K/W da superficie a Size Masonry as it is With thermal smoothing (30 cm masonry) H-55 PV RasoTherm Thermal resistance R = 1.33 m <2> K / W R = 1.78 m <2> K / W from surface to
superficie R (m<2>K/W) surface R (m <2> K / W)
Conduttanza termica Λ = 0,75 W / m<2>K A = 0,57 W/ m<2>K da superficie a Thermal conductance Λ = 0.75 W / m <2> K A = 0.57 W / m <2> K from surface to
superficie surface
Λ (W/ m<2>K) Λ (W / m <2> K)
Resistenza termica RT = 1 ,51 m* K/W RT = 1 ,95 m* K/W totale RT (m<2>K/W) Thermal resistance RT = 1.51 m * K / W RT = 1.95 m * K / W total RT (m <2> K / W)
Trasmittanza da U = 0,66 W/ m<2>K U = 0,51 W/ m<2>K ambiente ad Transmittance from U = 0.66 W / m <2> K U = 0.51 W / m <2> K environment to
ambiente U (W/ m<2>K) environment U (W / m <2> K)
Conducibilità termica λ = 0,012 W/mK λ del solo prodotto H-55 PV RasoTherm<*>Thermal conductivity λ = 0.012 W / mK λ of the H-55 PV RasoTherm product only <*>
<*>Calcolata a partire dalla resistenza termica complessiva della parete per uno spessore di rasatura di 5 mm <*> Calculated from the overall thermal resistance of the wall for a smoothing thickness of 5 mm
PROPRIETÀ TERMICHE ESTIVE SUMMER THERMAL PROPERTIES
Tabella 4 Table 4
Grandezza Muratura tal quale Con rasatura termica H-55 PV RasoTherm Trasmittanza termica 0,204 W/m<2>K 0,100 W/m<2>K periodica Yie Wall size as it is With thermal smoothing H-55 PV RasoTherm Thermal transmittance 0,204 W / m <2> K 0,100 W / m <2> K periodic Yie
(W/m<2>K) (W / m <2> K)
Fattore di 0,309 0,196 Factor of 0.309 0.196
attenuazione fa attenuation does
Sfasamento Wa (h) 11 h 13,5 h Phase shift Wa (h) 11 h 13.5 h
I risultati dimostrano in maniera evidente il grande potere di isolamento termico del prodotto H-55 PV RasoTherm, un rappresentante delle miscele secondo l’invenzione. The results clearly demonstrate the great thermal insulation power of the H-55 PV RasoTherm product, a representative of the mixtures according to the invention.
In fase esecutiva, alla miscela, alla composizione di additivi e al suo uso, all’impasto e al rivestimento oggetto dell’invenzione potranno essere apportate ulteriori modifiche o varianti esecutive non descritte. Qualora tali modifiche o tali varianti dovessero rientrare nell’ambito delle rivendicazioni che seguono, si dovranno ritenere tutte protette dal presente brevetto. In the executive phase, further modifications or executive variants not described may be made to the mixture, the composition of additives and its use, to the mixture and coating subject of the invention. Should such modifications or variations fall within the scope of the following claims, they must all be considered protected by this patent.
Claims (10)
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU207975B (en) * | 1990-01-30 | 1993-07-28 | Chem Epitoeanyagipari | Cover- or coating compositions containing mixed binding material with cement or aquous epoxide resin base |
EP2289862A1 (en) * | 2009-07-31 | 2011-03-02 | Druckfarben Hellas S.A. | Thermal insulation system for buildings and for liquid storage and transportation systems |
KR101080387B1 (en) * | 2011-01-31 | 2011-11-04 | 에스피몰탈 주식회사 | Environment-friendly red clay concrete composition and constructing method of packing materials using the same |
-
2015
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU207975B (en) * | 1990-01-30 | 1993-07-28 | Chem Epitoeanyagipari | Cover- or coating compositions containing mixed binding material with cement or aquous epoxide resin base |
EP2289862A1 (en) * | 2009-07-31 | 2011-03-02 | Druckfarben Hellas S.A. | Thermal insulation system for buildings and for liquid storage and transportation systems |
KR101080387B1 (en) * | 2011-01-31 | 2011-11-04 | 에스피몰탈 주식회사 | Environment-friendly red clay concrete composition and constructing method of packing materials using the same |
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