WO2006130031A2 - Platre en pate pour finition interieure de batiments et son procede de preparation - Google Patents

Platre en pate pour finition interieure de batiments et son procede de preparation Download PDF

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Publication number
WO2006130031A2
WO2006130031A2 PCT/RO2006/000011 RO2006000011W WO2006130031A2 WO 2006130031 A2 WO2006130031 A2 WO 2006130031A2 RO 2006000011 W RO2006000011 W RO 2006000011W WO 2006130031 A2 WO2006130031 A2 WO 2006130031A2
Authority
WO
WIPO (PCT)
Prior art keywords
plaster
paste
buildings
indoor finishing
methylcellulose
Prior art date
Application number
PCT/RO2006/000011
Other languages
English (en)
Other versions
WO2006130031A3 (fr
Inventor
Ion Moisescu
Loredana Stan
Original Assignee
S.C. Prod Globus Lemn S.R.L.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by S.C. Prod Globus Lemn S.R.L. filed Critical S.C. Prod Globus Lemn S.R.L.
Publication of WO2006130031A2 publication Critical patent/WO2006130031A2/fr
Publication of WO2006130031A3 publication Critical patent/WO2006130031A3/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/28—Polysaccharides or derivatives thereof
    • C04B26/285—Cellulose or derivatives thereof
    • 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

Definitions

  • the present invention relates to a paste plaster for indoor finishing of buildings
  • plaster coats Materials used in indoor finishing of walls and ceilings, known under the designation of plaster coats, usually contain 5-25 % calcined gypsum, 75-95% lime. In some cases, 1-5% polyvinyl acetate is used as addition material in order to increase the workability and adherence to plaster, and bone glue is used as retarder of calcined gypsum hardening.
  • Patent no. RO 109 641 describes a mixture for paintings, having multifunctional characteristics and colored mortars, being composed of perlite, calcium stearate or calcium carbonate, tufa or power plants ashes, aqueous emulsions of polyvinyl acetate, acrylic emulsions with polymers or cellulose triacetate lacquers, calcium naphthenate, white spirit, beta-naphthol or technical ethyl alcohol, sodium tetra borate, pigments and/or water.
  • Patent RO 110 468 describes a recipe of binding powder-composition for painting, made of lime powder or calcium filler of 60 ⁇ m granulation and white cement.
  • Patent RO 113 638 describes a powder-plaster containing white cement, micronized calcite, hydrated lime, methylcellulose and water.
  • Patent US 4 661 161 describes a cement and plaster based mixture for indoor finishing of walls.
  • This mixture consists of an aqueous slurry of calcium sulphate hydrated, a hardening retarder formed from animal proteins and a chelating agent selected from tetraacetic acid, diethylene triamine pentaacetic acid and an accelerator component.
  • Patent US 5 634 307 describes a method and an apparatus for stone-like plaster walls coating containing portland white cement, white silica sand, calcium carbonate and an acrylic liquid solution.
  • Patent US 5 980 628 describes a gypsum-based composition consisting of an aqueous suspension of calcined gypsum, retarding polyanions, set accelerating salts and, optionally, an initiator with two components.
  • Patent US 6 525 116 describes a composition of gypsum, calcium sulphate, water and ionic styrene butadiene latex additive.
  • Patent US 6 776 839 describes a slag cement containing blast furnace slag, clinker and calcium sulphate or aluminosilicates and naphthalene sulfonate.
  • the plaster should be left aside for about 5-10 minutes, as per the producer's instructions; this period of time is necessary for rendering soluble and full dispersion of components in the whole mass of the resulted plaster paste;
  • compositions are generally complex, comprising a considerable number of components, leading to high costs;
  • plaster-based compositions are not cost effective as they are prepared in small and repeated quantities. Moreover, in humid environment, the plaster is quickly degrading;
  • lime is low resistant to environmental agents (humidity, ' temperature fluctuations) ' .
  • Some of the materials ' used as plasters have a relatively low workability due to the lack of certain thickening agents in their composition.
  • Polyvinyl acetate (white adhesive) is sometimes used as thickening agent, but it leads to reduction of the application time in case of sudden fluctuations of temperature.
  • the present invention overcomes these disadvantages mainly because the paste-plaster is obtained using an optimum mixture of components - crystallized and micronized calcium carbonate, methylcellulose, linseed oil and water -, which confers a high workability.
  • -plaster coating a material for indoor finishing of buildings (walls, plastered ceilings, gypsum boards or wooden areas), mainly composed of 10-35 ⁇ m granulation micronized calcium carbonate, methylcellulose used as binder and adhesive, linseed oil as drying agent and water, the recipe being obtained as a result of a specific method of preparation.
  • the paste-plaster consists of crystallized calcium carbonate CaCO 3 obtained from 10-35 ⁇ m granulation micronized white marble, in a ratio of 35-65 weight parts (w.p.), methylcellulose in a ratio of 0,1-1 ,2 w.p., linseed oil in a ratio of 0,01-0,02 w.p. and 35-65 w.p. water.
  • the micronized white marble is used as filling material, having a good mechanical strength and a good hardness of the surface, being resistant to water erosion. Moreover, from the economical point of view, it decreases the price of the paste-plaster.
  • Methylcellulose is the binding agent of the paste-plaster and, according to its type, it is also an adjuster of the volumetric rate of flow, thus increasing the durability of the product in humid state. Accordingly, the quantity of methylcellulose is established so that the paste-plaster is sluggish enough as not to fall out of the plasterer's hawk.
  • the linseed oil (vegetable fat obtained of linseeds following various processes - cold pressing, hot pressing or by extraction using various solvents) is used to determine and form an elastic protective film, partially glossy, on the surface of paste-plaster, being insoluble in organic solvents and resistant to bad weather.
  • the linseed oil has the role of a drying agent.
  • the linseed oil will be priorly heated at about
  • the two components are mixed at the ambient temperature for about 10-15 minutes, at a rotation of 80-100 rot./min to obtain an optimum homogenization, simultaneously with the total dissolution of methylcellulose, so that the thickening and adhesive effect can be obtained.
  • the homogenization is continued at the same rotation, for about 15-20 minutes.
  • the product thus obtained - the paste-plaster - of 1 , 6 g/cm 3 density, has a whiteness degree of approximately 95%, fact that leads to a reduction of costs incurred with any further materials used for indoor finishing.
  • the paste-plaster is removed from the pug mill into the packaging equipment into 5, 10 or 15 kg containers with lid.
  • paste-plaster may be used after un-sealing the container, without being necessary to use all quantity at once.
  • the specific consumption during the finishing process is between 1 and 1 ,8 kg/m 2 .
  • the paste-plaster is applied directly on the finishing coat, prior polishing of these areas not being necessary.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention concerne un plâtre en pâte pour finition intérieure de bâtiments (parois, plafond en plâtre, plaques de plâtre ou zones en bois), et un procédé de préparation du plâtre en pâte. Le plâtre en pâte de l'invention est obtenu d'après une recette contenant un carbonate de calcium cristallisé issu d'un marbre blanc microfin de granulation comprise en 10 et 35 µm; une méthylcellulose utilisée comme liant; de l'huile de lin utilisée comme desséchant; et de l'eau. Le plâtre en pâte présente une consommation spécifique d'environ 1 à 1,8 kg/m2, une densité d'environ 1,6 kg/m3, déterminé par un degré de blancheur de 95 %, toutes choses qui entraînent une réduction des coûts engagés par comparaison avec un quelconque matériau employé pour la finition intérieure.
PCT/RO2006/000011 2005-05-30 2006-05-23 Platre en pate pour finition interieure de batiments et son procede de preparation WO2006130031A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ROA200500509A RO121471B1 (ro) 2005-05-30 2005-05-30 Glet-pastă pentru finisări interioare ale clădirilor şi procedeu de obţinere a acestuia
ROA200500509 2005-05-30

Publications (2)

Publication Number Publication Date
WO2006130031A2 true WO2006130031A2 (fr) 2006-12-07
WO2006130031A3 WO2006130031A3 (fr) 2007-02-01

Family

ID=37310589

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RO2006/000011 WO2006130031A2 (fr) 2005-05-30 2006-05-23 Platre en pate pour finition interieure de batiments et son procede de preparation

Country Status (2)

Country Link
RO (1) RO121471B1 (fr)
WO (1) WO2006130031A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965275A1 (fr) * 2010-09-27 2012-03-30 Dreuille Jean De Composition pour le traitement de surfaces diverses
WO2017012631A1 (fr) * 2015-07-23 2017-01-26 Knauf Gips Kg Chape à séchage rapide et mélange pour chape pour la production de ladite chape

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1117989A (fr) * 1979-05-09 1982-02-09 Alfred Trmata Melange de stuc
RO113638B1 (ro) * 1997-10-21 1998-09-30 Gheorghe Ioan Fernea Glet pentru finisarea pereților interiori, aferenti clădirilor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1117989A (fr) * 1979-05-09 1982-02-09 Alfred Trmata Melange de stuc
RO113638B1 (ro) * 1997-10-21 1998-09-30 Gheorghe Ioan Fernea Glet pentru finisarea pereților interiori, aferenti clădirilor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHONO, K.: "Interior wall composition" CHEMICAL ABSTRACTS + INDEXES, AMERICAN CHEMICAL SOCIETY. COLUMBUS, US, vol. 114, no. 12, 25 March 1991 (1991-03-25), - XP000193356 ISSN: 0009-2258 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965275A1 (fr) * 2010-09-27 2012-03-30 Dreuille Jean De Composition pour le traitement de surfaces diverses
WO2017012631A1 (fr) * 2015-07-23 2017-01-26 Knauf Gips Kg Chape à séchage rapide et mélange pour chape pour la production de ladite chape
JP2018526306A (ja) * 2015-07-23 2018-09-13 クナーフ ギプス カーゲーＫｎａｕｆ Ｇｉｐｓ Ｋｇ 速乾性仕上げ剤、及び、該仕上げ剤の製造のための仕上げ剤混合物
US11028017B2 (en) 2015-07-23 2021-06-08 Knauf Gips Kg Fast-drying screed and screed mixture for producing the screed

Also Published As

Publication number Publication date
RO121471B1 (ro) 2007-06-29
WO2006130031A3 (fr) 2007-02-01

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