WO2008052819A1 - Revêtements insonorisants - Google Patents

Revêtements insonorisants Download PDF

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Publication number
WO2008052819A1
WO2008052819A1 PCT/EP2007/057996 EP2007057996W WO2008052819A1 WO 2008052819 A1 WO2008052819 A1 WO 2008052819A1 EP 2007057996 W EP2007057996 W EP 2007057996W WO 2008052819 A1 WO2008052819 A1 WO 2008052819A1
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WO
WIPO (PCT)
Prior art keywords
coating composition
composition according
coating
weight
fillers
Prior art date
Application number
PCT/EP2007/057996
Other languages
German (de)
English (en)
Inventor
Michael Wittemann
Martin Hornung
Horst Beck
Original Assignee
Henkel Ag & Co. Kgaa
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 Henkel Ag & Co. Kgaa filed Critical Henkel Ag & Co. Kgaa
Publication of WO2008052819A1 publication Critical patent/WO2008052819A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/02—Emulsion paints including aerosols
    • C09D5/024—Emulsion paints including aerosols characterised by the additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/013—Fillers, pigments or reinforcing additives

Definitions

  • the invention is in the field of sound-absorbing coatings for vibratory substrates. It relates to a sprayable or spreadable coating composition for sound damping based on synthetic resins, fillers and fibers and is present as an aqueous preparation.
  • EP 386 646 describes a sprayable coating composition for sound damping, which contains not more than 30 wt .-% aqueous resin dispersion, a mixture of flame retardant fillers of the hydrargillite type, acoustically active fillers, fibers, etc., water and conventional additives.
  • the coating materials mentioned there are low in binder, flame retardant, environmentally friendly and have improved acoustic properties. Furthermore, they show a reduced but nevertheless existing tendency to crack formation during the drying process.
  • a disadvantage of the coating compositions of EP 386 646 is that the polymer dispersions frequently undergo a change in their flow properties in the presence of the fillers when stored. And thus, at least under extreme conditions, tend to change that complicate the processability, if not prevent.
  • a further disadvantage of the systems is that in the drying, which is often carried out in practice in painting lines, wherein the temperature conditions have to be governed by the baking conditions of the paint, it comes to the fact that the polymer dispersions The faster the filming on the surface of the coating tends to dry out. In this case, cracks, bubbles or craters are created.
  • the invention thus provides sprayable or spreadable coating compositions for sound damping of oscillatory components consisting of a water-based liquid phase and a disperse solid phase containing acoustically active fillers, a polymeric binder and, if desired, further additives, characterized in that at least partially as a polymeric binder, a dispersible plastic powder is available.
  • a dispersible plastic powder includes the specific embodiment "redispersible plastic powder”.
  • Another object of the invention is a process for coating a component with a Antidröhnbetikung (body sound damping coating), characterized in that one prepares a premix of the respective solid and liquid components, this mixed with stirring until a spreadable or sprayable coating composition is obtained , the coating composition is applied to the component to be treated and the coated component is cured by drying.
  • this intermediate containing the following components: 5 to 40 wt .-% dispersible plastic powder, 20 bis 50% by weight of acoustically active fillers, 5 to 30% by weight of flame-retardant fillers,
  • the coating compositions according to the invention are aqueous preparations which by spraying, brushing, doctoring or the like on vibratory substrates, in particular special on sheets, can be applied.
  • the skilled person can adjust the solids content between 50 and 80 wt .-%, so that the liquid phase constitutes 20 to 50 wt .-%.
  • the coating compositions according to the invention contain a dispersible plastic powder.
  • a dispersible plastic powder According to a preferred embodiment, from 5 to 40% by weight of dispersible plastic powder is present in the overall preparation. Particular preference is given to amounts of from 5 to 30% by weight and in particular from 10 to 25% by weight, with an optimum being obtained in many cases at from 15 to 20% by weight. All percentages by weight are based on the total coating composition.
  • Dispersible plastic powders are understood here to mean polymer powders produced by grinding, as well as spray-dried emulsion polymers, so-called redispersion powders. On the one hand, preference is given to re-dispersion powder. For a more detailed definition of this term, reference should be made to European Patent EP 1 464 665 B1, which describes in detail the preparation and use of such redispersible emulsion copolymers and names the relevant prior art in this field.
  • the products used according to the invention are preferably prepared by spray-drying an aqueous dispersion of polymer particles with admixture of a hydrophilic and / or hydrophobic antiblocking agent, these antiblocking agents being able to be present in the preparation or added later.
  • the redispersible plastic powders according to the invention are generally prepared by emulsion polymerization. Corresponding methods are known to the person skilled in the art. Literature citations are described in the aforementioned EP 1 464 665.
  • plastic powders with a different chemical basis can be used.
  • esters of acrylic and / or methacrylic acid with alkanols having from 1 to 12 carbon atoms and copolymers thereof with styrene can be used.
  • copolymers of styrene and diolefins, in particular butadiene can be used.
  • copolymers of chlorine-containing monomers that is to say copolymers based on vinyl chloride or vinylidene chloride, can be used.
  • vinyl esters z. Vinyl acetate, vinyl propionate, Vinyl esters of Versatieklare, vinyl esters of long-chain fatty acids and their copolymers can be used with ethylene.
  • the proportion of these comonomers is 0 to 2 wt .-%, preferably 0 to 1 wt .-%, based on the total amount of the monomers used.
  • the copolymers according to the invention may also contain one or more polyunsaturated olefinic compounds such as (C 2 -C 12 ) -olefins, preferably (C 2 -C 2 ) - ⁇ -olefins, for example ethylene, propylene, isobutylene, (C 3 - Ci 2) dienes such as butadiene, isoprene, vinyl ethers such as vinyl ethyl ether, vinyl n-butyl ether, as well as acrylonitrile, methacrylonitrile, vinyl chloride, N-vinylpyrrolidone, included.
  • polyunsaturated olefinic compounds such as (C 2 -C 12 ) -olefins, preferably (C 2 -C 2 ) - ⁇ -olefins, for example ethylene, propylene, isobutylene, (C 3 - Ci 2) dienes such as butadiene, isoprene, vinyl ether
  • monomer units which contain silicon such as acryloxypropyltri (alkoxy) - and methacryloxypropyltri (alkoxy) silanes, vinyltrialkoxysilanes, for example vinyltrimethoxysilane, vinyltriethoxysilane, in an amount of 0 to 2 wt .-%, preferably 0 to 1 wt. %, based on the total amount of the monomers used, be contained in the copolymers.
  • silicon such as acryloxypropyltri (alkoxy) - and methacryloxypropyltri (alkoxy) silanes, vinyltrialkoxysilanes, for example vinyltrimethoxysilane, vinyltriethoxysilane, in an amount of 0 to 2 wt .-%, preferably 0 to 1 wt. %, based on the total amount of the monomers used, be contained in the copolymers.
  • suitable comonomers are also polyethylenically unsaturated monomers, such as divinyl adipate, divinylbenzene, vinyl acrylate, vinyl methacrylate, allyl acrylate, allyl methacrylate, diallyl maleate and fumarate, diallyl phthalate, methylenebisacrylamide, ethylene glycol diacrylate, propylene glycol diacrylate, 1,3- and 1,4-butylene diacrylate, 1, 6-hexanediol diacrylate and glycerol triacrylate.
  • divinyl adipate divinylbenzene
  • vinyl acrylate vinyl methacrylate
  • allyl acrylate allyl methacrylate
  • diallyl maleate and fumarate diallyl phthalate
  • methylenebisacrylamide ethylene glycol diacrylate
  • propylene glycol diacrylate 1,3- and 1,4-butylene diacrylate
  • 1, 6-hexanediol diacrylate 1,
  • Copolymers which are particularly suitable for the redispersible plastics powders of the invention are: vinyl ester-ethylene copolymers having an ethylene content of from 1 to 60% by weight, preferably having an ethylene content of from 5 to 50% by weight, vinyl acetate preferably being vinyl acetate and / or Versatic acid vinyl ester and / or one or more of the aforementioned monomers from the group of vinyl esters, in particular vinyl pivalate, vinyl 2-ethylhexanoate, vinyl laurate, are included.
  • Vinyl ester-ethylene (meth) acrylic acid ester copolymers having an ethylene content of 1 to 40 wt .-%, wherein as vinyl ester one or more of the monomers already mentioned from the group of vinyl esters, in particular vinyl acetate and vinyl versatate, and 0.1 to 30 wt .-% (meth) acrylic acid ester of one or more of the aforementioned monomers from the group of (meth) acrylic acid esters, preferably methyl methacrylate, n-butyl acrylate, 2-ethylhexyl acrylate, are included.
  • Vinyl acetate copolymers with 0 to 60 wt .-% of one or more of the aforementioned monomers from the group of vinyl esters, vinyl propionate, vinyl butyrate, vinyl 2-ethylhexanoate and Versaticklarevinylester are preferred.
  • Vinyl ester copolymers with esters of fumaric or maleic acid such as. B. their diethyl, diisopropyl, dibutyl, dihexyl and Dioctylester, in particular vinyl acetate copolymers with 10 to 70 wt .-% of one or more of said fumaric or maleic acid ester monomers which optionally further vinyl esters, such as Versaticklarevinylester or Vinyl laurate, and ethylene.
  • (Meth) acrylic acid ester copolymers based on one or more of the monomers already mentioned from the group consisting of (meth) acrylic acid esters, preference being given to methyl methacrylate, n-butyl acrylate and 2-ethylhexyl acrylate.
  • Styrene- (meth) acrylic ester Copolyme ⁇ sate having a styrene content of 0.1 to 70 wt .-%, wherein as (meth) acrylic acid ester methyl methacrylate and / or n-butyl acrylate and / or 2-ethyl acrylate are preferred.
  • Styrene-butadiene copolymers having a styrene content of 1 to 70 wt .-%.
  • Vinyl chloride copolymers with the aforementioned vinyl esters and / or ethylene and / or (meth) acrylates are aforementioned vinyl esters and / or ethylene and / or (meth) acrylates.
  • the redispersible plastic powders contain, in addition to the polymers, further constituents. These are emulsifiers and protective colloids from the production as well as the aforementioned anti-blocking agents. Because of the nature of these substances, reference is made to the previously cited European patent EP 1 464 665 and the prior art cited therein.
  • polymer powders produced by grinding which correspond to the abovementioned dispersion powders with regard to the composition of the polymer fraction, are particularly preferred.
  • a milled powder of a vinyl acetate homopolymer having a glass transition temperature lower than 50 degrees C. and having a weight average molecular weight of between 10,000 and 500,000 g / mol has been found suitable.
  • those polymers can be used whose glass transition temperature is -60 to +150 0 C, often -30 to +100 0 C and often -20 to +50 0 C.
  • T 9 glass transition temperature
  • the glass transition temperature is determined by the DSC method (differential scanning calorimetry, 20 K / min, midpoint measurement, DIN 53 765).
  • the skilled person will therefore adjust the coating compositions so that the lowest operating temperature is just above the glass transition temperature. In order to obtain a broader optimum, the skilled person will use mixtures of different polymers or copolymers, as long as incompatibilities do not forbid this.
  • vinyl acetate-based polymers and copolymers of acrylic esters and styrene, whose glass transition temperature meets these requirements, have proven to be particularly preferred.
  • redispersion powder according to the invention contain anti-blocking agents from their production.
  • the antiblocking agents are generally powders of inorganic solids, with an average particle size of from 0.1 to 20 ⁇ m and often from 1 to 10 ⁇ m (based on ASTM C 690-1992, Multisizer / 100 ⁇ m capillary). It is favorable if the inorganic substances in water at 20 ° C. have a solubility of ⁇ 50 g / l, ⁇ 10 g / l and ⁇ 5 g / l.
  • hydrophilic antiblocking agents are silicic acids, quartz, dolomite, calcium carbonate, sodium / aluminum silicates, calcium silicates or microcompounds of silicates and carbonates, and hydrophobic antiblocking agents, for example talc (magnesium hydrosilicate having a layer structure), chlorite (magnesium / aluminum / iron hydrosilicate), organochlorosilanes Silica (DE-A 3 101 413) or generally hydrophilic antiblocking agents coated with hydrophobic compounds, such as precipitated calcium carbonate coated with calcium stearate.
  • talc magnesium hydrosilicate having a layer structure
  • chlorite magnesium / aluminum / iron hydrosilicate
  • organochlorosilanes Silica DE-A 3 101 413
  • hydrophilic antiblocking agents coated with hydrophobic compounds such as precipitated calcium carbonate coated with calcium stearate.
  • Optimum results are obtained when aqueous polymer dispersions having a weight average particle size of 100 nm 1000 nm, often from 100 to 500 nm are used for producing the redispersible powders and the ratio of the average polymer powder diameter (after spray drying is often 30 to 150 .mu.m, often 50 to 100 ⁇ m, determined in accordance with ASTM C 690-1992, Multisizer / 100 ⁇ m capillary) to the average particle diameter of the hydrophobic and hydrophilic antiblocking agents 2 to 50: 1 or 5 to 30: 1.
  • the coating compositions of the invention contain acoustically active fillers as a further ingredient category.
  • the acoustically effective fillers are present in amounts of from 20 to 50% by weight, based on the total preparation, preferably in amounts of from 30 to 45% by weight. In individual cases, however, up to 60% by weight of acoustically effective fillers may be present in the dry mixtures of the solid constituents of the sealants.
  • acoustically active fillers are platelet and fibrous materials. Suitable acoustically active fillers are, for example, mica, slate meal, montmorillonite, glass or metal flakes, furthermore graphite, talc or clay minerals. For example, mica is preferred.
  • the coating compositions according to the invention also contain flame-retardant fillers.
  • Substantially heavy metal and halogen-free inorganic compounds or minerals which dehydrate at elevated temperature are preferably used as flame-retardant fillers.
  • Corresponding fillers are present in an amount of 5 to 30 wt .-% based on the total preparation. Preferably, at least 10 and in particular 25 to 35 wt .-% based on the solids content used.
  • flame retardant additives are magnesium hydroxide, magnesium sulfate heptahydrate, alum and / or hydrargillite, aluminum trihydroxide is preferred.
  • minerals based on calcium and aluminum such. Eg ettringite. Whereby this can be produced in situ from calcium sulfate and cement.
  • the maximum grain diameter of the fillers used is in the range of 200 to 1000 microns, preferably in the range of 300 to 400 microns.
  • the mixtures of flame-retardant and acoustically active fillers are chosen so that the particle size distribution of the so-called Fuller curve corresponds and thus have the conditions for a dense packing of the granular materials.
  • fibrous substances can be used to improve the bending strength and the drying behavior.
  • Suitable here are cellulose fibers but also glass fibers and other mineral fibers.
  • High-strength fibers, such as carbon fibers or aramid fibers, are also suitable in principle for this purpose. net.
  • the fibers are preferably used in amounts of 0.5 to 5 wt .-% of the total preparation, in particular in amounts of 0.5 to 5 wt .-% based on solids. However, they can also be used in amounts of less than 0.5 wt .-% or omitted entirely.
  • further additives can be used.
  • thickeners and rheological aids such as cellulose ethers, especially carboxymethylcellulose, hydroxyethylcellulose and other but also starch derivatives such as dextrin or other thickening agents such.
  • the coating compositions of the invention may also contain preservatives, fungicidal dyes and solvents as frost stabilizers.
  • the amount of the sum of these further additives is 0.5 to 5 wt .-% based on total preparation, preferably 0.5 to 5 wt .-% based on the solids.
  • the solid constituents and the liquid phase are brought together.
  • the liquid phase consists of water. It is 20 to 50 wt .-% of the total preparation.
  • part of the water namely up to 15 wt .-%, but preferably only up to 10 wt .-% based on the total preparation is replaced by polymer dispersions.
  • polymer dispersions Particularly suitable here are polyacrylate dispersions and polyvinyl acetate dispersions of the same or similar composition as is the case with the plastic dispersion powders. Corresponding polymer dispersions are well known to the person skilled in the art.
  • part of the water namely up to 5% by weight, but preferably only up to 2% by weight, can be used by organic solvents for frost stabilization and freezing point depression.
  • the solid constituents are preferably stirred into the liquid constituents.
  • it has also proved to be feasible and useful to proceed in the reverse manner.
  • the coating compositions of the invention are applied to the substrates to be coated. This can be done by spraying, brushing or doctoring. A curing process is then carried out by evaporation of the water. The evaporation of the water can take place at room temperature.
  • the water it is preferred to allow the water to evaporate at elevated temperatures.
  • the coating compositions at ambient temperature, ie 10 to 30 0 C applied to body parts or railway wagon parts before these parts are then cured at elevated temperatures during the baking of a spray painting. Suitable temperatures are 70 to 200 ° C. The burn-in times are 5 to 30 minutes.
  • the coating compositions thus prepared are suitable for use in the automotive industry. They are suitable for coating components which are capable of structure-borne sound generation and whose acoustic properties must be improved.
  • preparations according to the invention can be supplied as solid premixes to the place of use, wherein in the solid state the storage time is unlimited. At the point of use, they can then be made up into a liquid coating composition.
  • the effectiveness of the acoustic damping of the composition according to the invention can be influenced to the specific needs of the users with respect to the position of the maximum of the loss factor as well as the temperature range in which extremely high acoustic damping is effected.
  • the main influencing factors are the glass transition temperature of the polymers on which the plastic dispersion powders are based.
  • the choice and quantity of fillers can also influence the acoustic properties. It has been shown here that, in particular, platelet-shaped fillers such as mica exert a beneficial influence.
  • the acoustic damping characteristic of the composition is determined in the following examples according to the "top method", as described in DIN 53440, Part 3, with the aid of coated steel strips, whereby the coating is cured in a laboratory drying cabinet unless otherwise stated , all parts in the following examples are parts by weight. Acoustic damping properties
  • Synthetic resin dispersion acrylic acid ester copolymer BASF Acronal DS 3502

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne des masses de revêtement, que l'on peut pulvériser ou étaler, destinées à insonoriser des éléments de construction vibrants, constituées d'une phase liquide à base d'eau et d'une phase solide dispersée, contenant un matériau de charge ayant un effet acoustique, un agent liant polymérique et d'autres additifs si souhaité, caractérisée en ce que l'invention fournit, en tant qu'agent liant polymérique, au moins en partie une poudre de plastique dispersible. L'invention concerne en outre un produit intermédiaire destiné à la fabrication d'une masse de revêtement que l'on peut pulvériser ou étaler de ce type ; l'utilisation des masses de revêtement de ce type pour le revêtement d'éléments de construction pouvant générer un bruit structurel dans l'industrie carrossière ou ferroviaire.
PCT/EP2007/057996 2006-11-03 2007-08-02 Revêtements insonorisants WO2008052819A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006052282A DE102006052282A1 (de) 2006-11-03 2006-11-03 Schalldämpfende Überzüge
DE102006052282.6 2006-11-03

Publications (1)

Publication Number Publication Date
WO2008052819A1 true WO2008052819A1 (fr) 2008-05-08

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PCT/EP2007/057996 WO2008052819A1 (fr) 2006-11-03 2007-08-02 Revêtements insonorisants

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WO (1) WO2008052819A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107253388A (zh) * 2016-11-11 2017-10-17 成都杰雷遮阳工程有限公司 一种用于地下停车场的阻燃板的制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2014014257A (es) 2012-05-22 2015-08-06 Basf Se Compuesto insonorizante no acuoso con un aglutinante de poliacrilato libre de solventes.
ES2683743T3 (es) 2014-04-29 2018-09-27 Basf Se Masa insonorizante no acuosa con aglutinante de poliacrilato no en forma de polvo y compuesto que puede polimerizar por radicales
DE102016125148A1 (de) * 2016-12-21 2018-06-21 Saint-Gobain Isover G+H Ag Verfahren zum Behandeln eines Materials auf Pflanzenbasis und damit hergestelltes Material, Dämmmaterial, Beschichtungsmittel sowie eine entsprechende Verwendung
DE102017105211A1 (de) 2017-03-13 2018-09-13 Michael Eisele Schallabsorbierendes Element
US10640581B2 (en) 2017-10-11 2020-05-05 Dow Global Technologies Llc Waterborne damping composition

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897577A (en) * 1974-04-19 1975-07-29 Richard H Hymes Dry particulate blend containing binder/dispersion aid component comprising cellulosic and vinyl acetate and/or alcohol materials and method of using the blend in a roll-on texture composition
EP0131721A2 (fr) * 1983-06-03 1985-01-23 Vianova Kunstharz Aktiengesellschaft Procédé pour préparer des compositions de revêtement diluables à l'eau
DE19654152A1 (de) * 1996-12-23 1998-06-25 Wacker Chemie Gmbh Verfahren zur Herstellung von Dextrin-stabilisierten Polymer-Dispersionen und -Dispersionspulvern
DE19733166A1 (de) * 1997-07-31 1999-02-04 Wacker Chemie Gmbh Verfahren zur Herstellung von in Wasser redispergierbaren Polymerpulver-Zusammensetzungen
WO1999046338A1 (fr) * 1998-03-13 1999-09-16 Minnesota Mining And Manufacturing Company Revetement latent utile pour une reparation de surfaces metalliques
EP1035175A2 (fr) * 1999-03-10 2000-09-13 Wacker-Chemie GmbH Concentrat de coagulation utilisable pour le préparation de masses aqueuses de platre et de revêtement de séchage rapide et ces masses
EP1201682A1 (fr) * 2000-10-31 2002-05-02 E.I. Du Pont De Nemours And Company Procédé de fabrication d'une poudre de polymère utilisant un fluide supercritique
WO2003066710A1 (fr) * 2002-02-08 2003-08-14 Basf Aktiengesellschaft Materiau composite hydrophile
DE102004001990A1 (de) * 2004-01-13 2005-08-04 Basf Ag Wässrige Beschichtungsmassen mit hoher Pigmentvolumenkonzentration

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3897577A (en) * 1974-04-19 1975-07-29 Richard H Hymes Dry particulate blend containing binder/dispersion aid component comprising cellulosic and vinyl acetate and/or alcohol materials and method of using the blend in a roll-on texture composition
EP0131721A2 (fr) * 1983-06-03 1985-01-23 Vianova Kunstharz Aktiengesellschaft Procédé pour préparer des compositions de revêtement diluables à l'eau
DE19654152A1 (de) * 1996-12-23 1998-06-25 Wacker Chemie Gmbh Verfahren zur Herstellung von Dextrin-stabilisierten Polymer-Dispersionen und -Dispersionspulvern
DE19733166A1 (de) * 1997-07-31 1999-02-04 Wacker Chemie Gmbh Verfahren zur Herstellung von in Wasser redispergierbaren Polymerpulver-Zusammensetzungen
WO1999046338A1 (fr) * 1998-03-13 1999-09-16 Minnesota Mining And Manufacturing Company Revetement latent utile pour une reparation de surfaces metalliques
EP1035175A2 (fr) * 1999-03-10 2000-09-13 Wacker-Chemie GmbH Concentrat de coagulation utilisable pour le préparation de masses aqueuses de platre et de revêtement de séchage rapide et ces masses
EP1201682A1 (fr) * 2000-10-31 2002-05-02 E.I. Du Pont De Nemours And Company Procédé de fabrication d'une poudre de polymère utilisant un fluide supercritique
WO2003066710A1 (fr) * 2002-02-08 2003-08-14 Basf Aktiengesellschaft Materiau composite hydrophile
DE102004001990A1 (de) * 2004-01-13 2005-08-04 Basf Ag Wässrige Beschichtungsmassen mit hoher Pigmentvolumenkonzentration

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107253388A (zh) * 2016-11-11 2017-10-17 成都杰雷遮阳工程有限公司 一种用于地下停车场的阻燃板的制备方法
CN107253388B (zh) * 2016-11-11 2019-06-07 成都杰雷遮阳工程有限公司 一种用于地下停车场的阻燃板的制备方法

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