FR2520350A1 - Two part hardenable, heat and sound insulating compsn. - comprising modified acrylic! resin and acrylic! plasticiser, plaster, cement and titanium di:oxide - Google Patents

Two part hardenable, heat and sound insulating compsn. - comprising modified acrylic! resin and acrylic! plasticiser, plaster, cement and titanium di:oxide Download PDF

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Publication number
FR2520350A1
FR2520350A1 FR8201093A FR8201093A FR2520350A1 FR 2520350 A1 FR2520350 A1 FR 2520350A1 FR 8201093 A FR8201093 A FR 8201093A FR 8201093 A FR8201093 A FR 8201093A FR 2520350 A1 FR2520350 A1 FR 2520350A1
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Prior art keywords
resin
plaster
cement
acrylic
composition
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Granted
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FR8201093A
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French (fr)
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FR2520350B1 (en
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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
    • 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
    • C04B28/14—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 calcium sulfate cements
    • 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
    • C04B40/06—Inhibiting the setting, e.g. mortars of the deferred action type containing water in breakable containers ; Inhibiting the action of active ingredients
    • C04B40/0641—Mechanical separation of ingredients, e.g. accelerator in breakable microcapsules
    • C04B40/065—Two or more component mortars
    • 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
    • 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
    • C04B2111/52—Sound-insulating materials

Abstract

2-part hardenable compsn. comprises a liquid pane comprising a modified acrylic copolymer resin and an acrylic plasticiser in soln. or in suspension in water, and a solid part comprising a cpd. which causes expansion of the resin. Specifically, the solid part contains plaster and cement and an agent of compatibility between these two, namely TiO2. In use, the 2 parts are mixed. The compsn. is used as a sound and heat insulating coating. It does not exhibit ageing phenomenon and can be used at very high temp. (up to 1000 deg.C) without alteration or detachment from a support. Dissociation between the plaster and the cement does not occur. The compsn. can be applied as very thin layers (3-4 mm).

Description

Composition durcissable à deux constituants, et application de cette composition comme revêtement isophonique et isothermique.Two-component curable composition, and application of this composition as an isophonic and isothermal coating.

L'invention concerne une composition durcissable à deux constituants, l'un liquide et l'autre solide à ltétat de particules, notamment de poudres, que l'on mélange au moment de l'emploi. L'invention concerne également l'utilisation d'une telle composition coure revatement isophonique et isothermique. The invention relates to a curable composition with two constituents, one liquid and the other solid in the state of particles, in particular powders, which are mixed at the time of use. The invention also relates to the use of such an isophonic and isothermal coating composition.

Dans la demande de brevet FR 79.03347, déposée le 9 Février 1979, le Demandeur à déjà proposé une composition de ce type, comprenant un composant liquide et l'autre solide, que l'on mélange au moment de l'emploi, cette composition présentant, après durcissement, des propriétés de calorifugeage et d'insonorisation.  In patent application FR 79.03347, filed on February 9, 1979, the Applicant has already proposed a composition of this type, comprising a liquid component and the other solid, which are mixed at the time of use, this composition having , after hardening, thermal insulation and soundproofing properties.

Dans cette composition antérieure, la phase liquide comprend, d'une part, une résine plastique en solution ou en suspension dans de l'eau et, d'autre part, un agent anionique apte à former des bulles avec un composé du composant solide, tandis que ce composant solide comprend, outre ledit composé apte à réagir avec ledit agent anionique, un composé apte à prendre en masse au contact de l'eau. In this previous composition, the liquid phase comprises, on the one hand, a plastic resin in solution or in suspension in water and, on the other hand, an anionic agent capable of forming bubbles with a compound of the solid component, while this solid component comprises, in addition to said compound capable of reacting with said anionic agent, a compound capable of solidifying on contact with water.

La résine plastique est choisie dans le groupe comprenant les copolymères acétate de vinyl-versatate de vinyle, les terpolymbres ester acrylique-versatate de vinyle-acétate de vinyle et les copolymères styrènecomposé acrylique. L'agent anionique du composant liquide est le produit de condensation d'un lauryl éther sulfate de sodium et d'un alcool comprenant de 12 à 14 atomes de carbone, tandis que le composé associé du composant solide est de l'éthylhexyl sulfate de sodium. Enfin, le constituant du composant solide apte à prendre en masse au contact de l'eau est du platre, éventuellement additionné d'un retardateur de prise. Des charges anti-feu peuvent aussi être prévues dans la composition. The plastic resin is chosen from the group comprising vinyl acetate-vinyl versatate copolymers, acrylic ester-vinyl versatate-vinyl acetate terpolymbers and styrene-acrylic compound copolymers. The anionic agent of the liquid component is the condensation product of a sodium lauryl ether sulfate and an alcohol comprising from 12 to 14 carbon atoms, while the associated compound of the solid component is sodium ethylhexyl sulfate . Finally, the constituent of the solid component capable of solidifying on contact with water is plaster, possibly added with a setting retarder. Anti-fire charges can also be provided in the composition.

Bien que satisfaisante dans son utilisation corme isolant, cette composition antérieure présente l'inconvénient, ainsi que l'a établi le Demandeur en poursuivant ses travaux, de se craqueler en vieillissant, et ce quel que soit le milieu ambiant. Although satisfactory in its use as an insulating corm, this prior composition has the disadvantage, as established by the Applicant while continuing its work, of cracking as it ages, whatever the environment.

Des fait d'une rétraction de la résine, des fentes apparaissent en effet dans les revêtements constitués d'une telle composition, avec pour conséquence la formation de ponts thermiques et une sérieuse détériora- tion des propriétés d'insonorisation et de calorifugeage du revêtement.Due to a shrinkage of the resin, cracks appear in the coatings made of such a composition, with the consequence of the formation of thermal bridges and a serious deterioration of the soundproofing and heat-insulating properties of the coating.

Un autre inconvénient de la composition proposée antérieurement par le Demandeur est qu'elle ne supporte pas les températures élevées, puisque la résine fond dès 100 C, ce qui interdit d'utilser cette composition comme revêtement sur des machines présentant des zones très chaudes.  Another disadvantage of the composition previously proposed by the Applicant is that it does not withstand high temperatures, since the resin melts from 100 C, which prohibits the use of this composition as a coating on machines with very hot zones.

La présente invention vise à remédier à ces inconvénients en proposant une composition du même type général que la composition antérieure mentionnée ci-dessus, mais quine présente pas de phénomène de vieillissement et qui peut être utilisée à des teipératures très élevées, pouvant atteindre 100000, sans s'altérer ni se décoller d'un support quelconque. The present invention aims to remedy these drawbacks by proposing a composition of the same general type as the previous composition mentioned above, but which has no aging phenomenon and which can be used at very high temperatures, up to 100,000, without alter or detach from any support.

L'invention vise également à proposer une composition de ce type dans laquelle peuvent être présents simultanément du cirent et dn plâtre, dont l'incompatibilité est bien connue, Fans risque de voir ces deux composants se dissocier après durcissement. The invention also aims to provide a composition of this type in which wax and plaster can be present simultaneously, the incompatibility of which is well known, Fans risks seeing these two components dissociate after hardening.

L'invention vise enfin à proposer une composition de ce type qui puisse être utilisée en couches très minces, de l'ordre de 3 à 4 mm d'épaisseur, comme revêtement insonorisant et isothermique. The invention finally aims to provide a composition of this type which can be used in very thin layers, of the order of 3 to 4 mm thick, as a sound-absorbing and isothermal coating.

À cet effet, l'invention a pour objet une composition durcissable à deux constituants, l'un liquide, l'autre solide à l'état particulaire, que l'on mélange au moment de ltemploi, le constituant liquide comprenant une résine et un plastifiant en solution ou en suspension dans de l'eau, tandis que le constituant solide comprend un composé apte à provoquer l'expansion de ladite résine, et des charges, cette composition étant caractérisée en ce que ladite résine et ledit plastifiant sont respectivement un copolymère acrylique modifié et un plastifiant acrylique, et en ce que le constituant solide contient du plâtre et du ciment et, à titre d'agent de compatibilité entre ces deux produits, de l'oxyde de titane. To this end, the subject of the invention is a curable composition with two constituents, one liquid, the other solid in the particulate state, which is mixed at the time of use, the liquid constituent comprising a resin and a plasticizer in solution or in suspension in water, while the solid component comprises a compound capable of causing the expansion of said resin, and fillers, this composition being characterized in that said resin and said plasticizer are respectively a copolymer modified acrylic and an acrylic plasticizer, and in that the solid component contains plaster and cement and, as a compatibility agent between these two products, titanium oxide.

Des additifs connus en soi pourront être incorporés dans le constituant liquide aussi bien que dans le constituant solide, par exemple, des produits antistatiques, des composés germicides et algicides, des produits anti-feu, des retardateurs de prise etc.... Additives known per se can be incorporated in the liquid component as well as in the solid component, for example, antistatic products, germicidal and algicidal compounds, fire-resistant products, setting retarders, etc.

Avantageusement, le constituant solide contiendra de la poudre d'aluminium. En effet, après mélange des deux constituants et application de la composition résultante sur le substrat à revêtir, les particules d'aluminium remontent à la surface libre, avant durcissement de la composition, pour contribuer ensuite à l'isolation thermique par réflexion du rayonnement infra-rouge. Pour certaines applications particulières, par exemple pour l'industrie nucléaire, au lieu d'aluminium le constituant solide pourra contenir du plomb. Advantageously, the solid component will contain aluminum powder. In fact, after mixing the two constituents and applying the resulting composition to the substrate to be coated, the aluminum particles rise to the free surface, before the composition hardens, to then contribute to thermal insulation by reflection of the infrared radiation. -red. For certain specific applications, for example for the nuclear industry, instead of aluminum, the solid component may contain lead.

Comme copolymère acrylique modifié, on pourra avantageusement utiliser, dans le constituant liquide, un sel de l'acide versatique. La teneur en copolymère acrylique modifié du constituant liquide sera d'environ 10 à 20 Gfio en poids, tandis que la teneur en plastifiant acrylique sera d'environ 2 à 3 . Dans ces conditions, le constituant liquide, avec ses additifs éventuels, se présentera sous la forme d'une émulsion parfaitement stable dans le temps. As a modified acrylic copolymer, it is advantageous to use, in the liquid component, a salt of versatic acid. The content of modified acrylic copolymer of the liquid component will be approximately 10 to 20 Gfio by weight, while the content of acrylic plasticizer will be approximately 2 to 3. Under these conditions, the liquid constituent, with its possible additives, will be in the form of an emulsion which is perfectly stable over time.

Les proportions de plâtre et de ciment du constituant solide, de même que la nature de ces composés, varieront en fonction des propriétés physiques, requises du revêtement. La teneur en plâtre sera généralement de 40 à 55 * en poids et la teneur en ciment de 8 à 12 *, tandis que la teneur en oxyde de titane sera compiSse entre 4 et 6 c,
La granulométrie des particules solides est d'environ 0,5 à 2 mm.The plaster and cement proportions of the solid constituent, as well as the nature of these compounds, will vary depending on the physical properties required of the coating. The plaster content will generally be 40 to 55 * by weight and the cement content from 8 to 12 *, while the titanium oxide content will be between 4 and 6 c,
The particle size of the solid particles is approximately 0.5 to 2 mm.

Cette poudre, prête pour l'emploi, est également stable au stockage. This powder, ready for use, is also stable during storage.

Au moment de l'emploi, on mélange environ 100 parties en poids du constituant solide avec 140 parties en poids du constituant liquide et l'on effectue un mélange mécanique. L'application est conduite à l'aide d'une machine à projeter du type à vis sans fin, qui assure le malaxage de la pâte tout en permettant une expansion de la résine. At the time of use, about 100 parts by weight of the solid component are mixed with 140 parts by weight of the liquid component and mechanical mixing is carried out. The application is carried out using a spraying machine of the worm type, which ensures the mixing of the paste while allowing an expansion of the resin.

Après application sur un substrat à calorifuger ou à isoler phoniquement, la composition conforme à l'invention durcit très rapidement, puisqu'il suffit deun quart d'heure pour obtenir un durcissement de surface appréciable, contre deux heures et demie avec une composition selon la demande de brevet FR 79.03347 précitée. After application to a substrate to be thermally insulated or insulated, the composition according to the invention hardens very quickly, since it only takes fifteen minutes to obtain appreciable surface hardening, against two and a half hours with a composition according to the Patent application FR 79.03347 cited above.

Pour obtenir une isolation satisfaisante, il suffit d'une couche d'une épaisseur beaucoup plus faible qu'avec les isolants usuels. C'est ainsi qu'avec une épaisseur de l'ordre de 3 à 4 mm sur des tuyaux métalliques à une température de 220 C, la température externe du revêtement est de 48 C. Une couche de 2,5 mm, d'épaisseur assure un excellente isolation phonique de l'ordre de 20 décibels entre le médium et l'aigu. To obtain satisfactory insulation, a layer with a much smaller thickness is sufficient than with conventional insulators. Thus with a thickness of the order of 3 to 4 mm on metal pipes at a temperature of 220 C, the external temperature of the coating is 48 C. A layer of 2.5 mm, thick provides excellent sound insulation in the order of 20 decibels between the midrange and the treble.

La composition conforme à l'invention adhère à n'importe quel type de support, par exemple à une surface métallique, même polie, à du verre ou à du plâtre sec ou humide, et elle peut éventuellement être appliquée en plusieurs couches superposées. The composition according to the invention adheres to any type of support, for example to a metallic surface, even polished, to glass or to dry or wet plaster, and it can optionally be applied in several superposed layers.

Elle peut être utilisée avec avantage pour tout type d'isolation phonique ou thermique, aussi bien sur des machines que sur des façades de bâtiment.It can be used with advantage for any type of sound or thermal insulation, both on machines and on building facades.


Une composition conforme à l'invention est par exemple la suivante (% en poids)
Constituant liquide - Copolymère : 10 ss - Plastifiant acrylique : 1,5 % Chlorure de stéaryl-dimAthyl
benzylammonium (composé anti
statique) : 1 % - Chlorure d'un n-alcoyle en C14
(composé germicide algicide) : 1 % Paraffine chlorée émulsionnée
avec un alkylphénol oxyéthyléné
et un polyéther aliphatique
(produit anti-feu) : 1 % - Eau : qs.p. 100 %
Constituant solide - Plâtre : 47 % - Ciment : 11,3 % - Oxyde de titane : 5,6 % - Vermiculite (produit anti-feu) : 25 %
- Laurylsulfate en C12
(agent gonflant) : 0,07 ss
- Méthylhydroxypropylcellulose (retardateur de prise) : 1,7 %
- Sulfate d'aluminium : 6,3 %
- Métasilicate de calcium naturel : 3 %
A composition in accordance with the invention is for example the following (% by weight)
Liquid constituent - Copolymer: 10 ss - Acrylic plasticizer: 1.5% Stearyl-dimAthyl chloride
benzylammonium (anti compound
static): 1% - Chloride of a C14 n-alkyl
(algicidal germicidal compound): 1% Emulsified chlorinated paraffin
with an oxyethylenated alkylphenol
and an aliphatic polyether
(anti-fire product): 1% - Water: qs.p. 100%
Solid constituent - Plaster: 47% - Cement: 11.3% - Titanium oxide: 5.6% - Vermiculite (anti-fire product): 25%
- C12 Laurylsulfate
(blowing agent): 0.07 ss
- Methylhydroxypropylcellulose (setting retarder): 1.7%
- Aluminum sulphate: 6.3%
- Natural calcium metasilicate: 3%

Claims (7)

REVENDICATIONS 1.- Composition durcissable à deux constituants, l'un liquide, l'autre solide à l'état particulaire, que l'on mélange au moment de l'emploi, le constituant liquide oo'mmnt une résine et un plastifiant en solution ou en suspension dans de l'eau, tandis que le constituant solide comprend un composé apte à provoquer ltexpansion de ladite résine, et des charges, cette composition étant caractérisée en ce que ladite résine et ledit plastifiant sont respectivement un copolymère acrylique modifié et un plastifiant acrylique, et en ce que le constituant solide contient du plâtre et du ciment et, à titre d'agent de compatibilité entre ces deux produits, de l'oxyde de titane. 1.- Composition curable with two components, one liquid, the other solid in the particulate state, which is mixed at the time of use, the liquid component oo'mmnt a resin and a plasticizer in solution or suspended in water, while the solid component comprises a compound capable of causing the expansion of said resin, and fillers, this composition being characterized in that said resin and said plasticizer are respectively a modified acrylic copolymer and an acrylic plasticizer , and in that the solid component contains plaster and cement and, as a compatibility agent between these two products, titanium oxide. 2.- Cemposition selon la revendication 1, caractériséeen ce que le constituant limite,contient, en%en poids, environ 10 à 20 % de copolymère acrylique modifié et environ 2 à 5 % de plastifiant acrylique. 2. A composition according to claim 1, characterized in that the limiting constituent contains, in% by weight, approximately 10 to 20% of modified acrylic copolymer and approximately 2 to 5% of acrylic plasticizer. 3.- Composition selon l'une des revendications 1 et 2, caractérisée en ce que le copolymère acrylique modifié est un sel de l'acide versatique. 3.- Composition according to one of claims 1 and 2, characterized in that the modified acrylic copolymer is a salt of versatic acid. 4.- Composition selon l'une des revendications 1 à 3, caractérisée en ce que le constituant solide contient, en % en poids, environ 40 à 55 % de plâtre, environ 8 à 12 % de ciment et environ 4 à 6 % d'oxyde de titane. 4.- Composition according to one of claims 1 to 3, characterized in that the solid constituent contains, in% by weight, about 40 to 55% of plaster, about 8 to 12% of cement and about 4 to 6% d titanium oxide. 3.- Composition selon l'une des revendications 1 à 4, caractérisée en ce que la granulométrie du constituant solide est d'environ 0,5 à 2 mm. 3.- Composition according to one of claims 1 to 4, characterized in that the particle size of the solid constituent is about 0.5 to 2 mm. 6.- Composition selon l'une des revendications 1 à 5, caractérisée en ce que le constituant solide contient de la poudre d'aluminium ou de plomb. 6.- Composition according to one of claims 1 to 5, characterized in that the solid constituent contains aluminum or lead powder. 7.- Utilisation d'une composition selon l'une des revendications 5 à 6, corme revêtement isophonique et isotheraique.  7.- Use of a composition according to one of claims 5 to 6, corm isophonic and isothermal coating.
FR8201093A 1982-01-25 1982-01-25 CURABLE COMPOSITION WITH TWO COMPONENTS, AND APPLICATION OF THIS COMPOSITION AS ISOPHONIC AND ISOTHERMIC COATING Expired FR2520350B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8201093A FR2520350B1 (en) 1982-01-25 1982-01-25 CURABLE COMPOSITION WITH TWO COMPONENTS, AND APPLICATION OF THIS COMPOSITION AS ISOPHONIC AND ISOTHERMIC COATING

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Application Number Priority Date Filing Date Title
FR8201093A FR2520350B1 (en) 1982-01-25 1982-01-25 CURABLE COMPOSITION WITH TWO COMPONENTS, AND APPLICATION OF THIS COMPOSITION AS ISOPHONIC AND ISOTHERMIC COATING

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FR2520350A1 true FR2520350A1 (en) 1983-07-29
FR2520350B1 FR2520350B1 (en) 1986-02-14

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000360A1 (en) * 1983-07-05 1985-01-31 K-Pris S.A. Hardenable dual constituent composition, and application of said composition as isophonic and isothermal coating
FR2582297A1 (en) * 1985-05-24 1986-11-28 Pris K Two-component curable composition and application of this composition as isophonic and isothermal coating

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402192A (en) * 1964-06-08 1965-06-11 American Cyanamid Co Rock pegging process
FR2139464A5 (en) * 1971-05-13 1973-01-05 Williams John Flowable gypsum compsns - contg calcium sulphate alpha semi-hydrate and an aq resin emulsion
DE2409116A1 (en) * 1973-02-27 1974-10-10 Friedrich Ruesch Insulating elastic one-coat plaster compsn. - contg. cellulose wool, expanded mica, sand, cement, kieselguhr
US3869415A (en) * 1968-04-04 1975-03-04 Temec Limited Resinous polymer containing waterproofing plaster compositions
JPS52127920A (en) * 1976-04-20 1977-10-27 Denki Kagaku Kogyo Kk Composite of cement for plasterer
FR2442808A1 (en) * 1979-02-09 1980-06-27 Verre Tech Sound and heat insulating compsn. - comprises liquid and solid parts, one contg. resin soln. and anionic cpd. and the other setting agent and bubble former

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1402192A (en) * 1964-06-08 1965-06-11 American Cyanamid Co Rock pegging process
US3869415A (en) * 1968-04-04 1975-03-04 Temec Limited Resinous polymer containing waterproofing plaster compositions
FR2139464A5 (en) * 1971-05-13 1973-01-05 Williams John Flowable gypsum compsns - contg calcium sulphate alpha semi-hydrate and an aq resin emulsion
DE2409116A1 (en) * 1973-02-27 1974-10-10 Friedrich Ruesch Insulating elastic one-coat plaster compsn. - contg. cellulose wool, expanded mica, sand, cement, kieselguhr
JPS52127920A (en) * 1976-04-20 1977-10-27 Denki Kagaku Kogyo Kk Composite of cement for plasterer
FR2442808A1 (en) * 1979-02-09 1980-06-27 Verre Tech Sound and heat insulating compsn. - comprises liquid and solid parts, one contg. resin soln. and anionic cpd. and the other setting agent and bubble former

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CA1978 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000360A1 (en) * 1983-07-05 1985-01-31 K-Pris S.A. Hardenable dual constituent composition, and application of said composition as isophonic and isothermal coating
FR2582297A1 (en) * 1985-05-24 1986-11-28 Pris K Two-component curable composition and application of this composition as isophonic and isothermal coating

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Publication number Publication date
FR2520350B1 (en) 1986-02-14

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