ITMI20092293A1 - COATING FOR MURAL SURFACES AND FLOORS AND RELATED APPLICATION METHOD - Google Patents
COATING FOR MURAL SURFACES AND FLOORS AND RELATED APPLICATION METHOD Download PDFInfo
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- ITMI20092293A1 ITMI20092293A1 IT002293A ITMI20092293A ITMI20092293A1 IT MI20092293 A1 ITMI20092293 A1 IT MI20092293A1 IT 002293 A IT002293 A IT 002293A IT MI20092293 A ITMI20092293 A IT MI20092293A IT MI20092293 A1 ITMI20092293 A1 IT MI20092293A1
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- Prior art keywords
- coating
- porous
- support surface
- liquid substance
- impregnating agent
- Prior art date
Links
- 238000000576 coating method Methods 0.000 title claims description 62
- 239000011248 coating agent Substances 0.000 title claims description 57
- 238000000034 method Methods 0.000 title claims description 9
- 239000000126 substance Substances 0.000 claims description 27
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- 239000003973 paint Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 238000005299 abrasion Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000002105 nanoparticle Substances 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 238000005470 impregnation Methods 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 238000005496 tempering Methods 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000010410 layer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004347 surface barrier Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
- C04B41/48—Macromolecular compounds
- C04B41/483—Polyacrylates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/52—Two layers
- B05D7/54—No clear coat specified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/457—Non-superficial impregnation or infiltration of the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Description
Descrizione dell’invenzione avente per titolo: Description of the invention entitled:
RIVESTIMENTO PER SUPERFICI MURALI E DI PAVIMENTI E RELATIVO METODO DI APPLICAZIONE COATING FOR WALL AND FLOOR SURFACES AND RELATIVE METHOD OF APPLICATION
La presente invenzione concerne un rivestimento per superfici murali e di pavimenti, per impieghi in interni ed esterni, impermeabile, resistente all'abrasione e all'umidità. Detto rivestimento è lavabile a vapore e con detersivi, essendo resistente agli acidi ad alla soda caustica. The present invention relates to a coating for wall and floor surfaces, for indoor and outdoor use, which is waterproof, resistant to abrasion and humidity. Said coating is washable with steam and detergents, as it is resistant to acids and caustic soda.
L'invenzione concerne anche il metodo per ottenere detto rivestimento. The invention also relates to the method for obtaining said coating.
Esistono ormai da molti anni vernici idonee al rivestimento di mura esterne ed interne, resistenti all'umidità, a sbalzi di temperatura e dotate di capacità traspiranti. Quest'ultima qualità è indispensabile, soprattutto per mura esterne e pareti di locali nei quali sia di frequente presente del vapore acqueo, come nei bagni e nelle cucine, per evitare condensazioni di umidità tra il muro ed il rivestimento che provocherebbero il distacco di quest'ultimo. For many years there have been paints suitable for covering external and internal walls, resistant to humidity, temperature changes and with breathable capabilities. This last quality is essential, especially for external walls and walls of rooms in which water vapor is frequently present, such as in bathrooms and kitchens, to avoid condensation of humidity between the wall and the covering which would cause the detachment of this. last.
Un limite all'utilizzo di dette vernici è costituito dal loro costo che, per il fatto di utilizzare basi resinose di pregio, soprattutto resine acriliche, è piuttosto elevato. A limit to the use of these paints is their cost which, due to the use of high quality resinous bases, especially acrylic resins, is quite high.
Un'alternativa a dette vernici a base di resine sintetiche è costituita dalle vernici a tempera, le quali tuttavia, a fronte di un costo assai limitato, possono essere usate praticamente solo nelle pareti interne, in quanto sono dilavabili dalla pioggia. Hanno la caratteristica di essere traspiranti, il che le rende idonee anche per impieghi in locali in cui sia presente del vapore acqueo, tuttavia presentano un grave limite a causa del fatto che, essendo porose, hanno un'elevata tendenza ad assorbire il pulviscolo atmosferico, soprattutto in presenza di umidità, e quindi a sporcarsi notevolmente. Questo comporta di fatto la necessità di provvedere al ripristino della verniciatura più frequentemente rispetto alle vernici a base resinosa, anche in considerazione del fatto che non è assolutamente possibile procedere al lavaggio. An alternative to these paints based on synthetic resins is constituted by tempera paints, which, however, with a very limited cost, can be used practically only on the internal walls, as they are washed away by rain. They have the characteristic of being breathable, which makes them also suitable for use in rooms where water vapor is present, however they have a serious limitation due to the fact that, being porous, they have a high tendency to absorb atmospheric dust, especially in the presence of humidity, and therefore to get considerably dirty. This actually entails the need to restore the paint more frequently than with resin-based paints, also in consideration of the fact that it is absolutely not possible to proceed with washing.
La presente invenzione propone un rivestimento per superfici murali e di pavimenti, conforme alla rivendicazione 1, per impieghi in interni ed esterni, impermeabile, resistente all'abrasione e all'umidità. L'invenzione propone anche un metodo, conforme alla rivendicazione 14, per l'applicazione di detto rivestimento. The present invention proposes a coating for wall and floor surfaces, according to claim 1, for indoor and outdoor use, waterproof, resistant to abrasion and humidity. The invention also proposes a method, according to claim 14, for applying said coating.
Il rivestimento secondo l'invenzione è caratterizzato dal fatto di essere ottenuto mediante l'applicazione di un rivestimento di tipo poroso seguita dall'impregnazione di detto rivestimento con una sostanza liquida che penetri nelle porosità e solidifichi compattandolo, rendendolo impermeabile e resistente all'abrasione. The coating according to the invention is characterized in that it is obtained by applying a porous type coating followed by the impregnation of said coating with a liquid substance which penetrates the porosities and solidifies by compacting it, making it waterproof and resistant to abrasion.
Il metodo secondo l'invenzione prevede che la sostanza impregnante possa preferibilmente raggiungere la superficie di supporto e, ancora più preferibilmente, penetrare in esso, in modo che la successiva solidificazione di detta sostanza impregnante aumenti considerevolmente l'adesione del rivestimento alla superficie di supporto. The method according to the invention provides that the impregnating substance can preferably reach the support surface and, even more preferably, penetrate it, so that the subsequent solidification of said impregnating substance considerably increases the adhesion of the coating to the support surface.
Detto rivestimento poroso può essere vantaggiosamente costituito da una vernice a tempera, sia per le sue caratteristiche estetiche, idonee a conferire un aspetto gradevole al muro da rivestire, anche in considerazione del fatto che può essere facilmente colorata, sia per il suo basso costo. In alternativa alla tempera può essere utilizzato un rivestimento a base cementizia. Said porous coating can be advantageously constituted by a tempera paint, both for its aesthetic characteristics, suitable for giving a pleasant appearance to the wall to be coated, also in consideration of the fact that it can be easily colored, and for its low cost. As an alternative to tempera, a cement-based coating can be used.
Data l'elevata porosità dello strato di rivestimento e del suo spessore relativamente ridotto (al massimo qualche decimo di millimetro) non occorre utilizzare sostanze impregnanti aventi viscosità particolarmente basse. In pratica, se il tempo di indurimento di detta sostanza impregnate è sufficientemente lungo, essa può penetrare in profondità anche se la sua viscosità non dovesse essere molto bassa. Given the high porosity of the coating layer and its relatively small thickness (at most a few tenths of a millimeter), it is not necessary to use impregnating substances with particularly low viscosities. In practice, if the hardening time of said impregnated substance is long enough, it can penetrate deeply even if its viscosity is not very low.
Risultati validi si ottengono con sostanze impregnati di tipo specifico per le superfici in cemento, dette sostanze potendo essere di tipo a base resinosa in solvente o di tipo costituito da nano-particelle. Valid results are obtained with impregnated substances of a specific type for concrete surfaces, said substances being able to be of the resin-based type in solvent or of the type consisting of nano-particles.
Con dette sostanze impregnanti specifiche per superfici in cemento, si ottengono rivestimenti traspiranti ed impermeabili, che non assorbono olii e sono particolarmente resistenti all'abrasione. Inoltre presentano una superficie che non assorbe lo sporco ma che può comunque essere lavata con pulitori a pressione, a vapore e con detersivi, avendo un'eccellente resistenza agli acidi ed alla soda caustica. Inoltre vengono conferite al rivestimento le qualità intrinseche della sostanza impregnate utilizzata, quali la resistenza ai raggi ultra violetti e la capacità di prevenire la formazione di alghe, muschio e microrganismi. With these specific impregnating substances for concrete surfaces, breathable and waterproof coatings are obtained, which do not absorb oils and are particularly resistant to abrasion. They also have a surface that does not absorb dirt but can still be washed with pressure cleaners, steam and detergents, having excellent resistance to acids and caustic soda. Furthermore, the intrinsic qualities of the impregnated substance used are conferred to the coating, such as resistance to ultra violet rays and the ability to prevent the formation of algae, moss and microorganisms.
Il basso costo sia dei rivestimenti a tempera e a base cementiza, sia degli impregnati, in particolare quelli specifici per superfici cementizie, consentono di ridurre fino ad un terzo il costo del trattamento, rispetto alle migliori vernici murali a base resinosa. A questo si aggiunge il vantaggio, conferito dalle sostanze impregnanti che compattano il rivestimento e lo ancorano saldamente al muro, di una durata sensibilmente superiore alle migliori vernici della tecnica nota. The low cost of both tempera and cement based coatings and impregnated ones, in particular those specific for cementitious surfaces, allow the cost of treatment to be reduced by up to one third, compared to the best resin-based wall paints. To this is added the advantage, conferred by the impregnating substances which compact the coating and firmly anchor it to the wall, of a significantly longer duration than the best paints of the known art.
Grazie all'impermeabilità, che non permette all'acqua di penetrare nei muri, ed alla traspirabilità, che invece consente all'umidità di uscire, i muri stessi risultano meno umidi e ciò consente di ottenere, in inverno, un miglioramento dell'efficienza del riscaldamento perché c'è minore assorbimento di energia termica per l'evaporazione dell'umidità. Thanks to the impermeability, which does not allow water to penetrate into the walls, and to the breathability, which instead allows moisture to escape, the walls themselves are less humid and this allows to obtain, in winter, an improvement in the efficiency of the heating because there is less absorption of thermal energy due to the evaporation of humidity.
L'invenzione verrà ora descritta, a scopo illustrativo e non limitativo, secondo una forma preferita di attuazione. The invention will now be described, for illustrative and non-limiting purposes, according to a preferred embodiment.
Il metodo secondo l'invenzione, per il rivestimento protettivo ed estetico di superfici murali, consiste essenzialmente nell'applicare a dette superfici uno strato di tipo poroso, detta applicazione essendo seguita dall'applicazione di una sostanza liquida, la quale attraversa lo strato poroso stesso, bagnandolo completamente. Preferibilmente detta sostanza liquida giunge fino alla superficie di supporto, ancora più preferibilmente, penetra in essa, se porosa. Qualora si dovesse effettuare il rivestimento di una superficie di supporto già trattata con impregnante, lo strato poroso non aderirebbe perfettamente a detta superficie di supporto. La successiva impregnazione, con la sostanza impregnante che giunga a contatto con la superficie di supporto, migliora fortemente l'adesione, particolarmente se dovesse provocare il parziale rinvenimento dell'impregnante utilizzato in precedenza per il trattamento della superficie di supporto. The method according to the invention, for the protective and aesthetic coating of wall surfaces, essentially consists in applying a porous type layer to said surfaces, said application being followed by the application of a liquid substance, which passes through the porous layer itself , wetting it completely. Preferably, said liquid substance reaches the support surface, even more preferably, it penetrates therein, if porous. Should it be necessary to coat a support surface already treated with impregnating agent, the porous layer would not adhere perfectly to said support surface. The subsequent impregnation, with the impregnating substance that comes into contact with the support surface, strongly improves adhesion, particularly if it were to cause the partial tempering of the impregnating agent previously used for the treatment of the support surface.
Detto strato poroso comprende vantaggiosamente una vernice a base di tempera, detta vernice essendo di basso costo, di facile applicazione e colorabile con i pigmenti normalmente impiegati nel settore delle vernici murali. Said porous layer advantageously comprises a paint based on tempera, said paint being of low cost, easy to apply and colorable with the pigments normally used in the field of wall paints.
In questo modo si ottiene un rivestimento che soddisfa i requisiti estetici, ma ha una resistenza all'umidità e all'abrasione piuttosto limitate. È elevata anche la tendenza a sporcarsi, in quanto assorbe facilmente il pulviscolo atmosferico che, soprattutto in presenza di umidità, penetra nelle porosità del rivestimento e si lega ad esso, con conseguente netta alterazione dell'aspetto estetico. In this way, a coating is obtained that meets the aesthetic requirements, but has rather limited resistance to moisture and abrasion. The tendency to get dirty is also high, as it easily absorbs the atmospheric dust which, especially in the presence of humidity, penetrates the porosity of the coating and binds to it, with a consequent clear alteration of the aesthetic appearance.
Una valida alternativa alla tempera, soprattutto per uso in esterni, è costituita dai rivestimenti a base cementizi. A valid alternative to tempera, especially for outdoor use, is made up of cement-based coatings.
La successiva applicazione di detta sostanza liquida consente di superare brillantemente le limitazioni del rivestimento poroso, in quanto, penetrando nel rivestimento ed impregnandolo, conferisce ad esso una elevata solidità ed impermeabilità, che si traduce, in pratica, in una elevata resistenza all'umidità ed all'abrasione. La superficie inoltre diventa più liscia e compatta e non permette più la penetrazione del pulviscolo atmosferico, con notevole beneficio sul mantenimento dell'aspetto estetico. The subsequent application of said liquid substance allows to brilliantly overcome the limitations of the porous coating, since, by penetrating into the coating and impregnating it, it gives it a high solidity and impermeability, which translates, in practice, into a high resistance to humidity and abrasion. The surface also becomes smoother and more compact and no longer allows the penetration of atmospheric dust, with considerable benefit in maintaining the aesthetic appearance.
Detta sostanza liquida può essere vantaggiosamente un impregnante monocomponente a base di resine acriliche in solvente, ad esempio il prodotto MASTERTOP<®>1401 della ditta BASF. Se si vuole mantenere inalterato il colore del rivestimento poroso, detto impregnante dovrà essere ovviamente trasparente. Said liquid substance can advantageously be a single-component impregnating agent based on acrylic resins in solvent, for example the product MASTERTOP <®> 1401 from BASF. If the color of the porous coating is to be kept unchanged, said impregnating agent must obviously be transparent.
Il trattamento di detto rivestimento in tempera con detto impregnante a base di resine acriliche in solvente, avviene senza reazione chimica tra tempera e impregnante. infatti l'impregnante penetra nelle porosità e, solidificando, aderisce semplicemente alla tempera stessa ed alla superficie di supporto, creando una barriera protettiva impermeabile, ma traspirante, ed assai resistente all'abrasione. The treatment of said coating in tempera with said impregnating agent based on acrylic resins in solvent, takes place without a chemical reaction between tempering and impregnating agent. in fact, the impregnating agent penetrates into the pores and, solidifying, simply adheres to the tempera itself and to the support surface, creating a protective waterproof barrier, but transpiring, and very resistant to abrasion.
L'impregnante ha la caratteristica di reagire quando l'umidità del muro supera l'85%. Tale evento è da evitare, in quanto il materiale impregnate può provocare delle bollicine che successivamente si scrostano. Tuttavia il danno è facilmente rimediabile in quanto è sufficiente attendere che il supporto si asciughi per procedere poi con un ripristino. The impregnating agent has the characteristic of reacting when the humidity of the wall exceeds 85%. This event is to be avoided, as the impregnated material can cause bubbles which subsequently peel off. However, the damage is easily remedied as it is sufficient to wait for the substrate to dry and then proceed with a restoration.
Detto ripristino prevede una applicazione dell’impregnante direttamente sulla zona scrostata, stuccatura e levigatura della superficie e successiva nuova impregnazione. This restoration involves applying the primer directly to the peeling area, grouting and smoothing the surface and subsequent new impregnation.
In alternativa all'impregnate a base resinosa in solvente, può essere impiegato un impregnate che fa uso di nano particelle in emulsione acquosa, ad esempio del tipo di quelli prodotti dalla ditta CSI Nanotechnology. Le materie prime che costituiscono la sostanza impregnante vengono micronizzate, cioè ridotte a dimensioni invisibili ad occhio nudo e rese impalpabili al tatto, con dimensioni dell'ordine dei nano-metri. Le nanoparticelle che compongono il prodotto e che vengono trasferite sul rivestimento poroso penetrano facilmente in esso giungendo alla superficie di supporto, preferibilmente penetrando in essa anche se è poco porosa. Mentre la soluzione acquosa evapora, le nano-particelle si ricompongono formando un'ordinata barriera superficiale, decorativa, protettiva ma assolutamente traspirante e molto resistente As an alternative to the resin-based impregnate in solvent, an impregnate that makes use of nano particles in aqueous emulsion, for example of the type produced by the company CSI Nanotechnology, can be used. The raw materials that make up the impregnating substance are micronized, that is, reduced to dimensions invisible to the naked eye and made impalpable to the touch, with dimensions of the order of nano-meters. The nanoparticles that make up the product and which are transferred onto the porous coating easily penetrate it reaching the support surface, preferably penetrating it even if it is not very porous. While the aqueous solution evaporates, the nano-particles are recomposed forming an orderly surface barrier, decorative, protective but absolutely breathable and very resistant.
Il materiale è traspirante ma impermeabile, cioè lascia passare l'umidità ma non l'acqua. Di conseguenza il muro non viene bagnato dalla pioggia ma adegua la sua umidità a quella dell'ambiente, evitando condensazioni al di sotto del rivestimento, che ne determinerebbero il distacco, e formazioni di muffe. The material is breathable but waterproof, meaning it lets moisture through but not water. Consequently, the wall is not wet by rain but adapts its humidity to that of the environment, avoiding condensation under the covering, which would cause it to detach, and formations of mold.
I prodotti citati, cioè la tempera, i rivestimenti cementizi e le sostanze impregnanti, hanno un costo considerevolmente inferiore a quello delle migliori vernici a base resinosa. Tuttavia bisogna tenere conto di un maggior costo dell'applicazione, dovendo effettuare, in successione, prima l'applicazione del rivestimento poroso, quindi della sostanza liquida impregnante. In pratica si riesce a conseguire una riduzione di costi fino ad un terzo del costo di un rivestimento con vernice a base resinosa, con sostanziali vantaggi in termini di durata del rivestimento, fino a 50 anni, anche in considerazione della possibilità di procedere al lavaggio dello stesso con detersivi e/o con vapore. The products mentioned, ie tempera, cementitious coatings and impregnating substances, have a cost considerably lower than that of the best resin-based paints. However, it is necessary to take into account a higher cost of the application, having to carry out, in succession, first the application of the porous coating, then of the liquid impregnating substance. In practice it is possible to achieve a cost reduction of up to a third of the cost of a coating with a resin-based paint, with substantial advantages in terms of duration of the coating, up to 50 years, also in consideration of the possibility of washing the itself with detergents and / or with steam.
L'invenzione è stata descritta a scopo illustrativo e non limitativo, secondo una forma preferita di attuazione. Il tecnico esperto del settore potrà trovare numerose altre forme di attuazione, tutte ricadenti nell'ambito di protezione delle rivendicazioni che seguono. The invention has been described for illustrative and non-limiting purposes, according to a preferred embodiment. The person skilled in the art will be able to find numerous other embodiments, all of which fall within the protection scope of the following claims.
Claims (16)
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IT002293A ITMI20092293A1 (en) | 2009-12-23 | 2009-12-23 | COATING FOR MURAL SURFACES AND FLOORS AND RELATED APPLICATION METHOD |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0083867A2 (en) * | 1981-12-25 | 1983-07-20 | Ina Seito Co., Ltd | Method of applying an inorganic paint |
GB2240977A (en) * | 1990-02-08 | 1991-08-21 | Flowcrete Systems Limited | Composition and method for treating cementitious layers |
US20020004553A1 (en) * | 1998-07-28 | 2002-01-10 | Werner Temme | Use of aqueous polyurethane dispersions is formulations for sports floor coverings |
EP1371698A1 (en) * | 2002-06-14 | 2003-12-17 | Rohm And Haas Company | Polymeric nanoparticle formulations and their use as cement sealers |
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DE102004017553A1 (en) * | 2004-04-07 | 2005-10-27 | Bayer Materialscience Ag | Aqueous polychloroprene composition containing zinc oxide nanoparticles is useful for coating, impregnating, laminating, sealing or especially bonding e.g. wood, paper, plastics, textile, leather, rubber or inorganic material or as insulant |
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