WO2012022544A1 - Wasserlösliche organosiliconatpulver - Google Patents
Wasserlösliche organosiliconatpulver Download PDFInfo
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- WO2012022544A1 WO2012022544A1 PCT/EP2011/061766 EP2011061766W WO2012022544A1 WO 2012022544 A1 WO2012022544 A1 WO 2012022544A1 EP 2011061766 W EP2011061766 W EP 2011061766W WO 2012022544 A1 WO2012022544 A1 WO 2012022544A1
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- water
- powder
- gypsum
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- salt
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/0834—Compounds having one or more O-Si linkage
- C07F7/0836—Compounds with one or more Si-OH or Si-O-metal linkage
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/40—Compounds containing silicon, titanium or zirconium or other organo-metallic compounds; Organo-clays; Organo-inorganic complexes
- C04B24/42—Organo-silicon compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- 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
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent 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
- C04B2111/60—Flooring 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
- C04B2111/60—Flooring materials
- C04B2111/62—Self-levelling compositions
-
- 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
- C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
-
- 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
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the invention relates to water-soluble Organosiliconatpulver, a process for their preparation and their use, in particular for the hydrophobization of mineral building materials.
- Alkaliorganosiliconates such as Kaliummethylsiliconat have been used for decades for hydrophobing, in particular of
- Alkalisiliconats is specified.
- a disadvantage of these products is that the - corresponding to the silicone content - active ingredient content is coupled with a minimum amount of alkali.
- the reduction of the molar ratio of alkali to silicon to values significantly ⁇ 1 would be economically and technically advantageous for equal effectiveness.
- these are inorganic building materials, which may be silicate and non-silicate.
- silicate and non-silicate are inorganic building materials, which may be silicate and non-silicate.
- the aqueous solution of methyl silicate has a great importance.
- these are, in particular, the potassium (potassium methylsiliconate) or the sodium derivative
- Aqueous solutions of organosiliconates are particularly well suited for the hydrophobic treatment of weakly acidic to slightly alkaline building materials, in particular of fired clay, natural stone or gypsum products.
- the application of the hydrophobizing agent can be effected either by impregnation or
- Mass hydrophobing done.
- products of calcined clay or natural stone are immersed in an aqueous dilution of the organosiliconate for a certain time or sprayed with such a dilution, the active substance dissolved in water being capillary in the pore structure of the
- Mass hydrophobization becomes the aqueous solution of
- aqueous slurry for example, a gypsum-based building material mixed.
- gypsum plasters and putties or gypsum-based tile adhesives are delivered to the construction site as powder in bags or silos and only then mixed with the mixing water.
- gypsum plaster, gypsum filler, powdered gypsum repair putties, gypsum-based tile adhesives and similar mineral building materials is therefore a solid
- Dry mixture can be added and only with the addition of
- the support material may be inorganic in nature, e.g. Silicas, silicates, or organic natures, e.g.
- the support material may even have negative effects on the finished cured building material - it is known that polyvinyl alcohols tend to increase the hydrophilicity of gypsum building materials, which is counterproductive.
- Example 1 describes the preparation of sodium methylsiliconate by reacting a monomethylsiloxane hydrolyzate with one molar equivalent of sodium hydroxide solution in the presence of ethanol. The solid is isolated by distilling off the solvent and then dried at 170 ° C to constant weight. On an industrial scale, such a method for solid insulation is not feasible, since in
- Solvent requires water, which affects the economics of the process.
- Siliconate powders are described in US 2438055, US 2803561 and DE 1176137.
- the siliconate powders described there are basically suitable as dry mix water repellents. However, the hydrophobic effect is too low and the
- Example 1 the preparation of solid
- alkali metal hydroxide This is then reacted with alkali metal hydroxide to form an aqueous solution of alkali metal silicate, which is stabilized by the addition of up to 10% alcohol or ketone. How the drying of the siliconate takes place is not described. The application of the dried
- Siliconate for the hydrophobization of gypsum is called.
- Organosilanols their hydrolysis / condensation products, or of organosilanols together with their
- the powders (P) are free-flowing, storable and form stable w with water sweet solutions.
- the powders (P) can be produced in a technically simple and safe process.
- the invention also provides a process for the production of powders (PI) in which
- organosilanes of the general formula 1 in a first step, organosilanes of the general formula 1
- Hydrocarbon radical having 1 to 8 carbon atoms Hydrocarbon radical having 1 to 8 carbon atoms
- Y is hydrogen, F, Cl, Br or OR 4
- a is the values 1, 2 or 3 and
- b, c, d are 0, 1, 2 or 3
- Radicals selected from F, Cl, Br, another mole of basic salt is present per mole of F, Cl and Br,
- radicals R 1 and R 2 contain at most 3 C atoms
- Reaction mixture is removed as vapor or gas, wherein an inert under the reaction conditions liquid F is present, whose boiling point is above that of the liberated compound HY and in which the obtained as a solid Siliconatsalz at 100 ° C / 1 bar to at most 1 wt. % is soluble,
- a suspension of the siliconate salt is formed in the liquid F, and in a fourth step the siliconate salt is isolated as powder (PI) by filtration, centrifugation, sedimentation or evaporation of the inert liquid F.
- the invention also provides the powder (PI) which can be prepared by this process.
- the powders (P) are also prepared by this process.
- the powders (P) have at 20 ° C a water solubility of preferably at least 20 wt .-%, more preferably
- the preferred molar ratio cation to silicon is at least 0.2, preferably at least 0.4, more preferably at least 0.5, and at most 0.85, especially
- the cation is selected from sodium and potassium.
- the powder (P) is a methylsiliconate.
- the powders (P) and (PI) have mean particle sizes of
- the distilled water in the third step comes from the water added in the first step and through
- the inert liquid F can serve as an azeotropic tractor for distilling off water
- silanes of the general formula 1 a certain proportion of non-hydrolyzed and / or condensed monomers is preferable for rapid and complete reaction, and therefore in the total mixture is preferably at least 60% ⁇ , more preferably at least 80%, especially at least 90% of all silicon-containing components of present monomer.
- Tolerable oligomer proportions are found e.g. if, in the second step of the method according to the invention
- distilled alcohol H ⁇ R 4 already contains certain proportions of water and is used again to prepare the alkoxysilanes.
- the creation of a closed material cycle significantly increases the profitability of the overall process.
- R 2 may be linear, branched, cyclic, aromatic, saturated or unsaturated.
- amino groups in R 1 , R 2 are radicals -NR 5 R 6 , wherein R s and R 6 may be hydrogen, a radical Ci-C 8 alkyl, cycloalkyl, aryl, arylalkyl, alkylaryl, which may be substituted by -OR 7 , where R 7 can be C 1 -C 8 -alkyl, aryl, arylalkyl, alkylaryl.
- R 5 , R 6 are alkyl radicals, non-adjacent CH 2 units may be replaced by groups -O-, -S-, or -NR 3 -. R 5 and R 6 may also be a cycle. R 5 is preferably hydrogen or an alkyl radical having 1 to 6 carbon atoms.
- R 1 , R 2 in the general Portnel 1 is preferably a monovalent unsubstituted or substituted by halogen atoms, amino, alkoxy or silyl hydrocarbon radical having 1 to 18 carbon atoms. Particularly preferred are unsubstituted alkyl radicals, cycloalkyl radicals, alkylaryl radicals, arylalkyl radicals and phenyl radicals.
- the alkyl radicals cycloalkyl radicals, alkylaryl radicals, arylalkyl radicals and phenyl radicals.
- Hydrocarbon este R 1 , R 2 is 1 to 6 carbon atoms, Particularly preferred are the methyl, ethyl, propyl, 3,3,3-
- Trifluoropropyl, vinyl and the phenyl radical especially the methyl radical.
- radicals R 1 , R 2 are:
- R 1 , R 2 are radicals - (CH 2 O) n -R 8 ,
- n, m and o are from 1 to 10, in particular 1, 2, 3 and R 8 , R 9 have the meanings of R 5 , R 6 .
- R 3 is preferably hydrogen or a
- Alkyl radical having 1 to 6 carbon atoms examples of R 3 are listed above for R 1 .
- R 4 in the general formula 1 may have ethylenically unsaturated double bonds or be saturated. Preference is given to a monovalent alkyl radical having 1 to 4, optionally substituted by alkoxy groups having 1 to 3 carbon atoms
- Carbon atoms which may be linear or branched.
- They are preferably linear alkyl radicals, very particularly preferably the methyl and the ethyl radical, in particular the methyl radical.
- radicals R 4 are;
- Silanes of general formula 1 in which a 1, preferably such that solids are formed, of which at least 20 g, preferably at least 40 g, more preferably at least 50 g in 50 g demineralized water at 20 ° C clear dissolve, and is preferably 0 to 20 mol%, particularly preferably 0 to 10 mol%, in particular 0 mol%, based on the total amount of silane of the general formula 1 or its hydrolysis / condensation products.
- d is 0.
- at most at 20 mol%, in particular at most 5 mol% of the compounds of general formula 1 d is 1, 2 or 3,
- MeSi (OMe) 3 MeSi (OEt) 3 , MeSi (OMe) 2 (OEt), MeSi (OMe) (OEt) 2 ,
- MeSi (OMe) 3 MeSi (OEt) 3 , (H 3 C) 2 CHCHSi (OMe) 3 and PhSi (OMe) 3 , where methyltrimethoxysilane or its
- Hydrolysis / condensation product is preferred.
- Me 2 Si (OMe) 2 Me 2 Si (OEt) 2 , Me 2 Si (OCH (CH 3 ) 2 ) 2, MeSi (OMe) 2 CH 2 CH 2 CH 3 , Et 2 Si (OMe) 2 , Me 2 Si (OCH 2 CH 2 OCH 3 ) 2 , MeSi (OMe) 2 Et, (H 3 C) 2 CH- Si (Oe) 2 Me, Ph-Si (OMe) 3 Me, t-Bu-Si (OMe) 2 Me, Ph 2 Si (OMe) 2 ,
- H 2 C CH- (CH 2 ) 9 -Si (OMe) 2 Me, C 1 -C 2 -SiMe (OMe) 2 , H 2 N - (CH 2 ) 3 -SiMe (OEt) 2 , cyHex-H- (CH 2 ) 3 -SiMe (OMe) 2 , H 2 N- (CH 2 ) 2 -NH- (CH 2 ) 3 -SiMe (OMe ) 2 , O (CH 2 CH 2 ) 2 N-CH 2 -SiMe (OMe) 2 , PhNH-CH 2 -SiMe (OMe) 2 , (MeO) 2 MeSi-CH 2 CH 2 -SiMe (OMe) 2 , (EtO) 2 MeSi-CH 2 CH 2 -SiMe (OEt) 2 , Cl 2 MeSi-
- Me 2 Si (OMe) SiMe 3 Me 2 Si (OMe) SiMe (OMe) 2 .
- Me 2 Si (OMe) 2 , Me 2 Si (OEt) 2 , MeSi (OMe) 2 CH 2 CH 2 CH 3 and Ph-Si (OMe) 2 Me are preferred, Me 2 Si (OMe) 2 and MeSi ( OMe) 2 CH 2 CH 2 CH 3
- Me is methyl
- Et is ethyl
- Ph is phenyl
- t-Bu is 2, 2-dimethylpropyl
- cy-Hex means cyclohexyl
- hexadecyl means n-hexadecyl.
- Decisive is that at least 50%, preferably at least 60%, more preferably at least 70% and
- general formula 1 or their hydrolysis / condensation products are methyl radicals, ethyl radicals or propyl radicals.
- the basic salts preferably have a pk B value
- alkali salts are preferably the alkali metal hydroxides, such as
- Cesium hydroxide used more preferably sodium hydroxide and potassium hydroxide.
- alkali metal salts are alkali metal carbonates, such as sodium carbonate and potassium carbonate, and also alkali hydrogen carbonates, such as sodium bicarbonate.
- Alkali formates such as potassium formate, alkali silicates (water glass) such as sodium orthosilicate, disodium metasilicate,
- Disodium disodium, disodium trisilicate or potassium silicate Disodium disodium, disodium trisilicate or potassium silicate. Furthermore, alkali oxides, alkali metal or
- Alkali alcoholates are used, preferably those which release the same alcohol as the silanes of the general formula 1 used.
- Organoammoniumionen the cations of the monomeric amines of the general formula NR 4 are preferred, wherein at least one radical R represents an organic radical.
- R has the meanings and preferred meanings of R 1 .
- ammonium ions of monomeric amines of the general formula NR 4 are Me 4 N, Et 4 N, nPr 4 N, iPrN, nBu 4 N, benzylNMe 3 , dodecyl-NMe 3 and the formulas H 3 N- [CH 2 CH 2 -O -] q -H and Ci 2 H 2S HN- ⁇ [CH 2 CH 2 -O-] 4 H ⁇ ⁇ [CH 2 CH 2 -O-] 4 -H ⁇ .
- organoammonium ions are the cations of oligomeric or polymeric amines which have more than one amine function in the cation, for example of the general formulas H 3 N- [CH 2 ] r -NH 3 Cl, where r is from 1 to 10 and
- oligomeric and polymeric amines a part of the amine functions may be present as hydrochloride, hydrogen sulfate or phosphate.
- ammonium salts are preferably the commercially available or easily produced quaternary
- Ammonium hydroxides, carbonates or alcoholates used.
- aqueous solutions are preferably used, since in aqueous solution the ammonium hydroxide is in equilibrium with the free amine and thus the salt does not have to be isolated separately.
- Ammonium salts for example mixtures of alkali hydroxides and ammonium salts, e.g. Potassium hydroxide and ethanolamine or sodium carbonate and tetramethylammonium hydroxide.
- Typical minor components in technical grades of the basic salts i.e., at purities between 80 and 99% by weight
- water or other salt components e.g. Sodium levels in potassium salts or carbonates in hydroxides usually do not interfere and can be tolerated.
- Another preferred variant is the use of aqueous preparations of alkali metal siliconates
- aqueous silicone composition solution, suspension, emulsion
- PI powder
- the amount of basic salt is preferably chosen so that the molar ratio of cation to silicon is at least 0.2,
- Neutralization products can not be separated from the organosiliconate or only at great expense and therefore preferably remain in the powder (PI) according to the invention, so that the active substance content thereof is correspondingly reduced.
- the process is therefore very well suited to also utilize by-products and waste products from the whole silane / siloxane composite, such as residues of
- Silane direct synthesis partially alkoxylated chlorosilane mixtures, by-products of hydrosilylation, catalyst-containing
- Metal salts such as iron chloride, iron oxide, aluminum oxide or platinum-containing catalysts or easily separated by the method, such as solvents.
- the amount of water preferably used corresponds to the amount required for complete hydrolysis of the radicals Y,
- Alkaline salt Ammonium or organoammonium salt optionally added to bound water or optionally Condensation processes formed water. Although there is no upper limit to the amount of water chemically, for economic reasons the water content will be kept as low as possible, since excess water has to be removed again. Due to the easier dosage of solutions of the basic salt compared to solids, the desired amount of basic salt is preferably dissolved in the required
- Amount of water used An excess of water is thus reported e.g. be reasonable and acceptable if the low solubility of the basic salt in water requires a larger amount of water to produce a saturated solution than is needed for the hydrolysis in the inventive method or the salt solution is technically available in a corresponding concentration.
- An excess of water can also serve to accelerate the hydrolysis reaction and / or to reduce a possible residual proportion of unhydrolyzed radicals Y in the powder P or PI.
- One way to reduce the proportion of water is the addition of the basic salt or mixture of the basic salt, either pure as a solid or as a solution in an organic solvent, preferably in the same alcohol, which is optionally released in the hydrolysis reaction and the separate dosage of the required Minimum amount of water.
- This variant lends itself to the use of hydrolyzable alkali metal alkoxides, ammonium alcoholates, ammonium hydroxides or alkali metal amides as the basic salt. But it can also
- Combinations of different solvents are used, e.g. Mixtures of water and alcohol or alcohol, amine and water or amine and water.
- the inert liquid F does not interfere with the reaction under reaction conditions.
- the boiling point of the inert liquid F at 1013 hPa at least 10 ° C, more preferably at least 30 ° C above the boiling point of the liberated in the second step compound HY.
- an inert liquid F are preferably
- Hydrocarbons such as alkanes, cycloalkanes, aromatics or alkylaromatics or mixtures thereof, and ethers.
- Alkanes and Alkangemisehe, cycloalkanes and alkylaromatics are preferably used, particularly preferably Alkangemisehe.
- An advantage of alkane mixtures are their favorable price and their good
- isoparaffins such as Isopar 5 C, E, G, H, L, M from ExxonMobil, benzene, toluene, o-xylene, m-xylene, p-xylene, mesitylene, ethylbenzene, methyl tert-butyl ether, diethyl ether, Diphenyl ether, phenylmethyl ether
- the proportion of the liquid F in the total mixture is chosen so that a good stirrability of the formed
- the silane of the general formula 1 and / or its hydrolysis / condensation products is initially charged, basic salt and water, preferably as an aqueous solution, metered. If Y is partially or completely F, Cl, Br it may be more convenient to use basic salt and water
- Viscosity may be advantageous, a solvent
- the alcohol H ⁇ R 4 is added for this purpose, in the reaction mixture during the hydrolysis anyway
- the reaction is usually carried out at a temperature of 0 ° C to 150 ° C and under the pressure of the surrounding atmosphere, but the process can also be carried out at a lower or higher pressure.
- the heat of reaction released during the hydrolysis can be used to heat up the reaction mixture. The dosing period therefore depends primarily on the heat output by the reaction or the
- Cooling capacity of the reactor Usually that is enough
- the inert liquid F is preferably added in such a way that the degree of filling of the
- Reaction vessel remains constant, i. only the distilled alcohol volume is replaced by the liquid F. If the liquid F is immiscible with the liberated alcohol and specifically lighter than the alcohol, this can be easily automated, for example, with a liquid separator which precedes the collection of the alcohol distillate with the inert
- Liquid F is filled. As much inert liquid runs back into the reaction vessel as alcohol does
- the progress of the hydrolysis reaction can be easily determined by determining the amount of alcohol in the separator, e.g. by volume or
- the mixture After distilling off the alcohol, the mixture is preferably heated to the extent that residues of alcohol and water as well as possibly formed in condensation processes water be removed while the siliconate precipitates as a solid. Particularly preferred is the boiling point of the
- Liquid separator collects the water as the lower phase in the distillate of the liquid F, so that the
- Dissolves the liberated alcohol in the inert liquid F it is preferably distilled without liquid to the boiling point of the higher-boiling liquid F.
- Preparation of the starting compounds can be used. In this process variant is preferably during the
- a solution of the siliconate salt is prepared (for example continuously according to the process described in DE 4336600, preferably using the amount of water necessary for hydrolysis and without completely distilling off the released alcohol). This is preferably done in the absence of the inert liquid F.
- the resulting silicone salt solution is contacted with the inert liquid F under conditions in which the volatiles of the solution evaporate and the siliconate salt precipitates as a solid.
- the formed siliconate salt solution becomes solution adjacent to the
- Siliconate salt other hydrolysis products such as alcohol or
- the inert liquid F is introduced and the solution of the
- Siliconate salt added under conditions that ensure immediate evaporation of the volatiles.
- the optimal conditions in each case can be easily determined by the skilled person by varying the amount of liquid F, temperature, pressure and / or dosing. If the solution of the siliconate salt is finely divided, e.g. brought into contact with the inert liquid F via a nozzle, the evaporation process can be accelerated.
- the solution of the siliconate salt is finely divided, e.g. brought into contact with the inert liquid F via a nozzle, the evaporation process can be accelerated.
- Siliconate solution preferably directly under mirror in the
- Evaporation process can also be part of the volatile
- siliconate salt solution Components of the dosed siliconate salt solution are distilled off or stripped off in an upstream step, where it is recommended for economic reasons, in the Hydrolysis to add only necessary for a complete reaction amount of water.
- the siliconate salt particles formed directly during dosing can be continuously discharged as a suspension from the reaction vessel and a
- liquid F can be almost completely recovered and used again in the process.
- apparatus sizes and quantities of liquid F (Hold 0p) to be kept can be kept low despite correspondingly high throughput rates. Another positive effect of this
- Process variant is the short residence time of the siliconate solution under distillation conditions (preferably above room temperature), so that even thermally unstable silicate solutions can be completely and without decomposition phenomena in suspensions transferred, which generally have a higher thermal stability.
- Another advantage is that the temperature of the liquid F during the dosage of the siliconate salt solution
- Grain size distribution of the siliconeate salt particles formed can be influenced. As a rule, lead lower
- Solids separation such as filtration, sedimentation or
- Centrifugation can be isolated.
- Fluid F can be used to rinse the equipment to flush out residual solids and increase yield.
- the solid which is isolated in particular by filtration, sedimentation or centrifuging, can be dried by passage of optionally heated inert gas, or in a drying oven or heated mixer, if appropriate under reduced pressure, preferably to constant weight.
- the process may be run in batch mode, e.g. using a stirred tank or paddle dryer with distillation head, as is common in multi-purpose plants, carried out. Because of the low level of buildup, it is usually not necessary in campaigns to clean the reactor between each batch of residual solids. Nevertheless, if a cleaning e.g. To be required at the end of the campaign, this is by simply rinsing or possibly flooding the plant with water due to the good
- Tubular reactor or a mixing / delivery unit such as a kneader or a single-screw or twin-screw extruder or a horizontal paddle dryer - preferably with multiple chambers for the various process steps - is
- the powders (P) and (PI) are very suitable for the
- gypsum-based building materials are preferred, which preferably contain at least 10% by weight, in particular at least 20% by weight, of gypsum.
- Calcium sulfate hemihydrate or hemihydrate (CaS0 4 * 0.5 H 2 O), in the form of, for example, construction plaster, stucco, plaster or plaster (paris), and anhydrites (CaSO 4 , anhydrite II and III) as they are known from
- Calcining method starting from natural gypsum or artificial gypsum, are obtained.
- the phases calcium sulfate dihydrate, calcium sulfate hemihydrate and anhydrite in their various forms may be incurred in different ratios. Others too
- Gypsum types such as screed gypsum, marble gypsum, anhydrite and artificial gypsum (obtained in flue gas desulphurisation, the production of phosphoric and hydrofluoric acid or of organic carboxylic acids) are well suited.
- screed gypsum marble gypsum
- anhydrite artificial gypsum (obtained in flue gas desulphurisation, the production of phosphoric and hydrofluoric acid or of organic carboxylic acids) are well suited.
- gypsum obtained in flue gas desulphurisation, the production of phosphoric and hydrofluoric acid or of organic carboxylic acids
- Plasterboard, gypsum wallboard, gypsum plaster, putty, screed, etc.) and mining area or source gypsum of various composition are used as raw materials, but often spoken only by a building material based on gypsum.
- the gypsum may contain additives that are the manufacture of
- Additives are, for example, fillers, such as silica, calcium carbonate and fibers, accelerators, such as calcium sulfate dihydrate, potassium sulfate or aluminum sulfate, retarders, such as proteins or tartaric or citric acid salts,
- Plastaims- and water reducing agents for gypsum pulp such as melamine, naphthalene or lignosulfonates or
- Polycarboxylates adhesion promoters for cardboard, such as starches, Adhesion promoter for plasters and putties, such as
- redispersible polymer powders e.g. hydrated lime or cements.
- the hydrophobing of building material powders in particular gypsum-based building materials is preferred.
- the powders (P) and (PI) are used as dry mix water repellents.
- the powders (P) and (PI) are initially water wettable
- VOCs volatile organic compounds
- Carrier materials are among the most efficient available gypsum water repellents and dry mix water repellents.
- the powders (P) and (PI) are not only suitable as dry-mix hydrophobing additives, they are also suitable for
- gypsum fiber boards in which the gypsum powder or gypsum slurry for mechanical
- Reinforcing inorganic or organic fibers are added, and gypsum blocks or wallboard, which is glued in drywall similar to bricks using plaster adhesive mortar to massive walls.
- stucco powder can be water repellent with
- alkali metal hydroxide content can be significantly reduced, resulting in a lower pH of the gypsum pulp. This results in an advantage for use in pH sensitive applications in which alkali metal
- Plasterboard can also be removed by using the powders (P) and (PI).
- 40-60% of commercially available siliconate solutions are made of water due to their production, which is not the case with powders (P) and (PI). They are preferably (i.e., in the case of Y F, Cl, Br) entirely active ingredient and contain no water.
- they are preferably (i.e., in the case of Y F, Cl, Br) entirely active ingredient and contain no water.
- they do not tend to form dust explosions, which, for safe handling, e.g. in the dry-mix production in air another essential
- Methylsiliconat would be destabilized and deactivated.
- acidic additives can all be isolated in solid form or in hydrolyzable or water-soluble coating substances such as Polyvinyl alcohol, gelatin or polysaccharides (eg cyclodextrins) encapsulated and in the presence of water sour reacting or buffering substances, such as
- Hydrogen sulfates sulfuric acid esters, phosphates,
- Hydrogen phosphates such as iron chloride,
- Aluminum salts such as aluminum sulfate or aluminum nitrate, acidic clays, zeolites, silica gels, ion exchangers, long-chain mono- or polyprotic carboxylic acids and their alkyl or silyl esters or their anhydrides, ammonium salts or
- Phosphonium salts acidic organic compounds such as vitamin C (ascorbic acid), phenols, alginic acid or
- Aminocarboxylic acids such as glycine, glutamic acid or cysteine, phosphonic acids and their esters, aminophosphonic acids,
- Sulfinic acids and their esters polyacrylic and methacrylic acids, lactones or sultones.
- the powders (P) and (PI) can also be used in combination with other conventional hydrophobizing additives.
- silicone oils on ethylhydrogenpolysiloxane basis (eg SILRES ® BS 94 from Wacker Chemie AG) in the strip mill gypsum (Application eg plasterboard).
- the powders (P) and (PI) are also suitable for
- cements such as cements (Portland, aluminate, metallurgical, magnesia, phosphate cement), water glass or lime.
- the powders (P) and (PI) can be used, inter alia, in masonry and adhesive mortars, ground and decorative plasters,
- the powder (P) and (PI) offer the advantage here that instead of the water-containing concentrate, a 100 percent powder for
- Processor can be supplied, which can then also be adjusted by dissolving in water to the desired degree of dilution of the solution. So can transport and
- Hydrophobizing agents e.g., diluted
- Alkali metal alkyl siliconates are also known as
- the powders (P) and (PI) can be used, for example, for hydrophobizing properties in the following applications: hydrophobing of urea-formaldehyde resins, primers based on styrene acrylates, preparation of acrylic paints, liquids for producing a Insulating layer of condensed
- Silicate / siliconate for semiconductors hydrophobization of particles (e.g., peroxides, percarbonates, colored pigments), stabilization of cellulosics against moisture, in combination with phosphates to improve the moisture, fungus and fire resistance of wood impregnated therewith, additivation of
- Borehole scavenging fluids e.g., besides graphite
- the hydrophobic coating of particulates improves the
- optional reinforcing filler for elastomers additives in combination with SiH compounds or aluminum powders for gypsum or cement based foams (e.g., aerated concrete), instant mix for hydrophobic / antimicrobial finish of
- Metallasiloxanen by reaction with metal salts such.
- additives to washing powders or dishwashing detergents additive for color pigments, additive to coatings against scale deposits,
- Dry hydrophobing of all kinds of solids such as fertilizers, attractants, herbicides, pesticides, pigments,
- Ceramic powder terracotta powder, clay, inorganic
- Organosilicon compounds e.g. in equilibrium reactions, paint removal paint remover, additive for
- Wood fiber boards e.g., MDF boards.
- the powder (P) or (PI) can also be an already aqueous mixture of
- hydrophobic substrate in solid or optionally dissolved form. This procedure is suitable
- Water separators with reflux cooler are charged with 75 g (0.55 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie AG) and 65 g of Isopar E (isoparaffinic hydrocarbon mixture with a boiling range of 113-143 ° C., commercially available from ExxonMobil).
- the water separator is filled to the brim with Isopar E.
- a solution of 30.9 g (0.47 mol) of potassium hydroxide (85%, commercially available from AppliChem) in 19.8 g of demineralized water is metered in within 10 minutes.
- the reaction mixture is heated to 69.degree.
- Hydrolysis of the methoxy radicals in methyltrimethoxysilane is therefore quantitative.
- a pasty white solid precipitates in the reaction mixture, which increasingly disintegrates into fine particles and forms a suspension.
- the suspension is filtered in a pressure filter over a Beco KD3 filter plate and passes to the
- the thermal stability of the solid is investigated by differential scanning calorimetry (DSC). For a measurement about 5 mg of substance with a constant heating rate of 3 / min. heated to 415 ° C and the occurring
- the sample container is a pressure-resistant F20 steel crucible, which ensures that none
- Particle size analysis are 100% of all particles smaller than 150 ⁇ , the maximum of the distribution density is 47 pm.
- Non-inventive Comparative Example 1 An attempt to dry an aqueous solution of Kaliummethylsiliconat (Silres® BS16 Wacker Chemie AG) by heating the water
- Potassium methyl (Silres ® BS16, Wacker Chemie AG) is heated in a three-necked flask. By passing about 401 / h nitrogen 2 cm above the liquid surface, the solution is concentrated. With increasing concentration, the product foams very much, white solid separates
- Water separators with reflux condenser are charged with 50 g (0.367 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie AG) and 65 g of Isopar E (isoparaffinic hydrocarbon mixture with a boiling range of 113-143 ° C., commercially available from ExxonMobil). The water separator is filled to the brim with Isopar E. While stirring at 300 rpm, a solution of 15.4 g (0.23 mol) of potassium hydroxide (85%, commercially available
- demineralized water added within 12 minutes.
- the mixture is heated to boiling temperature and reduces the stirrer speed to 50 rpm as soon as the distillation begins.
- the distillate separates as the lower phase in the water. Up to a boiling temperature of 85 ° C., 34.4 g of clear, colorless distillate are collected, which, according to gas chromatographic analysis, contains 87.8% methanol, 4.9% water and 5.7% Isopar E. Leave the lower phase from the water separator, refill completely with Isopar E and circulate water to 118 ° C
- Methyltrimethoxysilane is therefore quantitative.
- the thermal stability of the solid is investigated by means of Dynamic Differenced Calorimetry (DSC).
- DSC Dynamic Differenced Calorimetry
- Particle size analysis are 100% of all particles smaller than 90 ⁇ , the maximum of the distribution density is 23 pm.
- Water separators with reflux condenser are charged with 30 g (0.22 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie AG) and 50 g of Isopar E (isoparaffinic hydrocarbon mixture having a boiling range of 113-143 ° C., commercially available from ExxonMobil).
- the water separator is filled to the brim with Isopar E.
- a solution of 8.7 g (0.13 mol) of potassium hydroxide (85%, commercially available from AppliChem) in 9.1 g (0.5 mol) of demineralized water is metered in within 12 minutes.
- the mixture heats up to 50 ° C.
- the mixture is heated to boiling temperature and reduced
- the thermal stability of the solid is investigated by differential scanning calorimetry (DSC).
- DSC differential scanning calorimetry
- the thermal stability of the solid is investigated by differential scanning calorimetry (DSC).
- DSC differential scanning calorimetry
- Water separators with reflux condenser are 27 g (0.198 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie AG), 3.9 g (0.02) of n-propyl (methyl) diethoxysilane (prepared in the laboratory by reacting n-propyl (methyl) dichlorosilane) with ethanol) and 20 g Isopar E (isoparaffine
- Boiling temperature of 95 ° C collects 19.4 g of colorless, slightly turbid distillate, which, according to gas chromatographic analysis 78.5% Methanol, 7.5% ethanol, 3.5% water and 8.2% Isopar E contains. Leave the lower phase from the water separator, refill completely with Isopar E and circulate water to a boiling point of 131 ° C. This results in 6.2 g of distillate as the lower phase, which according to GC analysis 46.9% methanol, 4.7% ethanol and 48.4% water. During the distillation, a pasty white solid separates in the
- Reaction mixture from which increasingly decomposes into fine particles and forms a suspension.
- 10 g of cyclohexane are added and the suspension is filtered in a pressure filter over a Beco KD3 filter plate and passed through to constant weight nitrogen.
- 21.4 g of fine, white, free-flowing powder are obtained, the solids content of which is 99.5% (determined with the solid-solution balance HR73 Halogen Moisture Analyzer from Mettler Toledo at 160 ° C.).
- Water condensers with reflux condenser are 33.7 g (0.247 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie AG), 17 g (0.082) of n-propyltriethoxysilane (prepared in the laboratory by reacting n-propyltrichlorosilane with ethanol) and 67.4 g of Isopar E. (isoparaffinic hydrocarbon mixture with a boiling range of 113-143 ° C, commercially available from
- the lower phase is released from the water separator, filled up with Isopar E completely again and circulates water to 118 ° C boiling point. This results in 8.2 g of distillate as the lower phase, which according to GC analysis contains 43.8% methanol, 17.2% ethanol and 38.7% water. During the distillation, a pasty white solid separates in the
- Reaction mixture from which increasingly decomposes into fine particles and forms a suspension.
- the suspension is filtered in a pressure filter over a Beco KD3 filter plate and passed through to constant weight nitrogen. There are obtained 33.2 g of fine, white, free-flowing powder, whose
- Solids content is 99.5% (determined by the
- Halogen Moisture Analyzer from Mettler Toledo at 160 ° C). A 50% aqueous solution prepared therewith has no precipitate even after two weeks storage at room temperature with exclusion of air. On a powder prepared analogously, the minimum ignition energy should be determined: up to the maximum adjustable ignition energy of 10J, no ignition occurred on the fluid that was stirred up.
- Example 9 Siliconate from methyltrimethoxysilane / trimethylmethoxysilane / KOH (0.9: 0.1: 0.65)
- Water separators with reflux condenser are 70 g (0.5 mol) of methyltrimethoxy silane (commercially available from Wacker Chemie AG), 6 g (0.05 mol) of trimethylmethoxysilane (prepared in the laboratory by reacting trimethylchlorosilane with methanol) and 98.6 g of Isopar E. (isoparaffinic hydrogen chloride mixture having a boiling range of 113-143 ° C, commercially available from
- Boiling temperature 70 ° C. The distillate separates as the lower phase in the water. Up to a boiling temperature of 118 ° C., 60.3 g of colorless, slightly turbid distillate are collected, which, according to gas chromatographic analysis, contains 84 parts by weight of methanol, 10.8 parts by weight of water, 3.3 parts by weight of Isopar E and 0 , 8 fl.
- Halogen Moisture Analyzer from Mettler Toledo at 160 ° C). A 50% aqueous solution prepared therewith has no precipitate even after two weeks storage at room temperature with exclusion of air.
- Water separators with reflux condenser are 50 g (0.36 mol) of methyltrimethoxysilane (commercially available from Wacker Chemie
- the siliconate is finely dispersed in the Isopar E and forms a white, well-stirred suspension.
- Solids content is 99.8% (determined by the
- test pieces After demoulding the gypsum test pieces from the rings, the test pieces were dried in a circulating air drying cabinet at 40 ° C. until the weight remained constant.
- the specimens were stored after determination of the dry weight for 120 min under water, the samples were placed horizontally on metal mesh and the water supernatant above the highest point of the test specimens was 5 mm. After 120 minutes, the test specimens were out taken from the water, drained on a water-saturated sponge and from the wet weight and the dry weight, the percentage of water absorption according to the formula
- Percentage water absorption ⁇ [mass (wet) - mass (dry)] / mass (dry) ⁇ ⁇ 100%
- Methylsiliconate powder of Preparation Example 1 with an alkali metal to silicon molar ratio of ⁇ 1 (according to
- Methylsiliconate powder effectively mixed in dry form. Subsequently, this dry mixture was added in portions to the mixing water in accordance with the formulation indicated on the package with stirring and with an electrically operated
- Blade stirrer stirred to a homogeneous slurry at moderate speed (Goldband Fertigputzcht: 300 g Gipspulver and 200 g of water, machine plaster MP 75: 300 g of gypsum powder and 180 g of water, in each case according to the instructions on the package). Subsequently, the resulting slurry was poured into PVC rings (diameter: 80 mm, height 20 mm). The drying, delamination and the determination of the percent Was Was as above for
- Application example 2 Hydrophobization of two gypsum plasters with a potassium methylsiliconate powder having an alkali metal to silicon molar ratio of 0.85 ⁇ product of
- Table 1 shows that a potassium methylsiliconate powder having a molar ratio of alkali metal to silicon of 1 (according to formula 1) also rendered gypsum plaster hydrophobic very efficiently. Depending on the gypsum plaster used, 10% water absorption will be undercut at a maximum of 0.3% dosage, and 5% water absorption will be undercut at a maximum of 0.4% dosage.
- Application example 3 Hydrophobing of two gypsum plasters with a potassium methylsiliconate powder having a molar ratio of alkali metal to silicon of 0.64 (product of
- Efficiency of the water repellent can be increased. It will in this example 10% water absorption of one
- Gypsum plaster already falls below a maximum of 0.2% dosing, and 5% water absorption is undercut by both plasters even at a maximum of 0.3% dosing.
- Methylsiliconatpulvers not affected, it was without addition 12.5, at dosage of 1.0% potassium methylsiliconate powder also 12.5 (measured with indicator bars).
- Example 5 A comparison with the dry mix Hydrophobieradditiv silkes ® POWDER G (Wacker Chemie AG) makes all the difference to current commercial products significantly. 10% capillary water absorption is only achieved by dosing 1.4% SILRES ® POWDER G, 5% capillary water absorption is undercut by 1.6% SILRES ® POWDER G.
- the bricks were then stored for 7 days at 23 ° C and 50% relative humidity and then dried in a circulating air dryer at 40 ° C to constant weight.
- the water absorption was checked by water storage for 24 hours on the basis of DIN EN 15148 (averaging from double value determination). Also, the penetration depth of the impregnation was determined by breaking the bricks and dripping with water
- a portion of SILRES BS 16 ® of Wacker Chemie AG is mixed with 70 parts of water (parts by weight) and results in a clear solution.
- products of baked clay such as tiles, bricks, clinker bricks, flower pots or paving stones are dipped or sprayed with the solution.
- the same clear solution with the same molar content of organosilicon compound is obtained by dissolving 0.5 part of potassium methylsiliconate powder of Preparation Example 1 (molar ratio of potassium to silicon of 0.85) in 70 parts of water (parts by weight). Even after 10 days, the solution was clear and ready for use.
- Kaliummethylsiliconatpulver from Preparation Example 2 leads to the addition of 0.1 wt .-% of the other
- Table 6 Water absorption of gypsum test specimens in accordance with DIN EN 520
- Bodenhydrophobitechnischesmittel give, which are at least equal in their effectiveness of the commercially available aqueous solution. The effectiveness is also present if the mixture does not dissolve completely in water.
- test substrate used was soil having a bulk density of 1.5983 g / cm 3 and a moisture content of 3.65% (determined after 24 hours storage at 110 ° C.). 500 g of soil were used in each case
- test specimens were stored for 7 days at room temperature before testing.
- the cuboids were placed in their smallest area in Petri dishes.
- the Petri dishes were filled with water at a height of 1 cm. The water level was kept constant during the test period,
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- Structural Engineering (AREA)
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Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/810,676 US8748645B2 (en) | 2010-07-21 | 2011-07-11 | Water-soluble organosiliconate powder |
| JP2013520056A JP6005640B2 (ja) | 2010-07-21 | 2011-07-11 | 水溶性オルガノシリコネート粉末 |
| KR1020137003825A KR101557206B1 (ko) | 2010-07-21 | 2011-07-11 | 수용성 오가노실리코네이트 분말 |
| CN201180035574.7A CN103003287B (zh) | 2010-07-21 | 2011-07-11 | 水溶性有机硅醇盐粉末 |
| EP11739014.6A EP2596001B1 (de) | 2010-07-21 | 2011-07-11 | Wasserlösliche organosiliconatpulver |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010031624A DE102010031624A1 (de) | 2010-07-21 | 2010-07-21 | Wasserlösliche Organosiliconatpulver |
| DE102010031624.5 | 2010-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012022544A1 true WO2012022544A1 (de) | 2012-02-23 |
Family
ID=44509247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2011/061766 Ceased WO2012022544A1 (de) | 2010-07-21 | 2011-07-11 | Wasserlösliche organosiliconatpulver |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8748645B2 (de) |
| EP (1) | EP2596001B1 (de) |
| JP (1) | JP6005640B2 (de) |
| KR (1) | KR101557206B1 (de) |
| CN (1) | CN103003287B (de) |
| DE (1) | DE102010031624A1 (de) |
| WO (1) | WO2012022544A1 (de) |
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| WO2013004621A1 (de) | 2011-07-01 | 2013-01-10 | Wacker Chemie Ag | Gips-haltige baustoffmassen |
| DE102011083109A1 (de) | 2011-09-21 | 2013-03-21 | Wacker Chemie Ag | Verfahren zur Herstellung von Pulvern aus Alkalisalzen von Silanolen |
| DE102011086812A1 (de) | 2011-11-22 | 2013-05-23 | Wacker Chemie Ag | Verfahren zur Herstellung von Feststoffen aus Alkalisalzen von Silanolen |
| DE102012208471A1 (de) | 2012-05-21 | 2013-11-21 | Wacker Chemie Ag | Verfahren zur Herstellung von Feststoffen aus Alkalisalzen von Silanolen |
| DE102014205258A1 (de) | 2014-03-20 | 2015-09-24 | Wacker Chemie Ag | Verfahren zur Herstellung von Pulvern aus Alkalisalzen von Silanolen |
| DE102014206785A1 (de) | 2014-04-08 | 2015-10-08 | Wacker Chemie Ag | Gipstrockenmörtel mit Hydrophobierungsadditiv |
| DE102014209583A1 (de) | 2014-05-20 | 2015-11-26 | Wacker Chemie Ag | Verfahren zur Herstellung von Pulvern aus Alkalisalzen von Silanolen |
| WO2016001154A1 (de) | 2014-07-01 | 2016-01-07 | Wacker Chemie Ag | Verfahren zur herstellung von siloxanen aus alkalisalzen von silanolen |
| DE102015203685A1 (de) | 2015-03-02 | 2016-09-08 | Wacker Chemie Ag | Verfahren zur Herstellung pulverförmiger Alkaliorganosiliconat- Baustoffhydrophobiermittel |
| DE102015204263A1 (de) | 2015-03-10 | 2016-09-15 | Wacker Chemie Ag | Verfahren zur Herstellung von pulverförmigen Feststoffen aus Alkalisalzen von Silanolen |
| DE102015224732A1 (de) | 2015-12-09 | 2017-06-14 | Wacker Chemie Ag | Verfahren zur Herstellung von Siloxanolen aus Metallsalzen von Silanolen |
| WO2018184668A1 (de) | 2017-04-04 | 2018-10-11 | Wacker Chemie Ag | Reaktive siloxane und verfahren zu ihrer herstellung |
| CN108751817A (zh) * | 2018-07-19 | 2018-11-06 | 广东基业长青建筑科技有限公司 | 一种建筑垃圾基瓷砖胶及其使用方法 |
| WO2020035152A1 (de) | 2018-08-17 | 2020-02-20 | Wacker Chemie Ag | Vernetzbare organopolysiloxan-zusammensetzungen |
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| KR101591156B1 (ko) * | 2011-05-23 | 2016-02-02 | 와커 헤미 아게 | 유기실리코네이트 분말, 이의 제조 방법 및 무기 건축 자재의 소수화를 위한 이의 용도 |
| US9410058B2 (en) | 2014-04-10 | 2016-08-09 | United States Gypsum Company | Compositions and methods for water-resistant gypsum fiber products |
| US20150337638A1 (en) * | 2014-05-23 | 2015-11-26 | Sanjel Canada Ltd. | Hydrocarbon stimulation by energetic chemistry |
| DK3356444T3 (da) * | 2015-09-30 | 2020-11-16 | Evonik Operations Gmbh | Med silikoneharpiks modificerede isocyanatoalkylalkoxysilan-addukter og deres anvendelse |
| DE102016002221A1 (de) | 2016-02-26 | 2017-08-31 | Brillux Gmbh & Co. Kg | Dispersionsfarbe |
| ES2895507T3 (es) * | 2016-07-27 | 2022-02-21 | Wacker Chemie Ag | Procedimiento para la producción de un ácido silícico de precipitación modificado |
| WO2018019957A1 (en) * | 2016-07-28 | 2018-02-01 | Imerys | Ceramics processing |
| DE102018008666A1 (de) | 2018-11-05 | 2020-05-07 | Brillux Gmbh & Co. Kg | Verfahren zur Konservierung einer Dispersion in einer Dosieranlage und Dosieranlage |
| TWI695869B (zh) * | 2019-01-24 | 2020-06-11 | 防焰塗料有限公司 | 防火塗料及其製造方法 |
| DE102019103273A1 (de) | 2019-02-11 | 2020-08-13 | Brillux Gmbh & Co. Kg | Verfahren zur Vermeidung des mikrobiellen Befalls einer Reinigungsvorrichtung für eine Dosieranlage |
| CN114806398A (zh) * | 2022-04-01 | 2022-07-29 | 北京华夏先河新材料有限公司 | 一种提升现役水泥砼自我性防护能力的防护剂及制备方法 |
| CN116514521B (zh) * | 2023-04-12 | 2024-11-19 | 河北充填采矿技术有限公司 | 一种工业固废基防治水注浆材料及其制备方法和使用方法 |
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- 2011-07-11 CN CN201180035574.7A patent/CN103003287B/zh not_active Expired - Fee Related
- 2011-07-11 EP EP11739014.6A patent/EP2596001B1/de not_active Not-in-force
- 2011-07-11 JP JP2013520056A patent/JP6005640B2/ja not_active Expired - Fee Related
- 2011-07-11 KR KR1020137003825A patent/KR101557206B1/ko not_active Expired - Fee Related
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| EP0992565A1 (de) | 1998-09-29 | 2000-04-12 | Wacker-Chemie GmbH | Verfahren zur Festigung und Hydrophobierung von Bodenmaterialien |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103003287A (zh) | 2013-03-27 |
| EP2596001B1 (de) | 2014-09-03 |
| DE102010031624A1 (de) | 2012-01-26 |
| CN103003287B (zh) | 2016-01-06 |
| JP2013532639A (ja) | 2013-08-19 |
| KR20130034050A (ko) | 2013-04-04 |
| JP6005640B2 (ja) | 2016-10-12 |
| US8748645B2 (en) | 2014-06-10 |
| US20130145966A1 (en) | 2013-06-13 |
| EP2596001A1 (de) | 2013-05-29 |
| KR101557206B1 (ko) | 2015-10-02 |
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