WO1991005826A1 - Frühregenfeste fugendichtungsmassen - Google Patents
Frühregenfeste fugendichtungsmassen Download PDFInfo
- Publication number
- WO1991005826A1 WO1991005826A1 PCT/EP1990/001700 EP9001700W WO9105826A1 WO 1991005826 A1 WO1991005826 A1 WO 1991005826A1 EP 9001700 W EP9001700 W EP 9001700W WO 9105826 A1 WO9105826 A1 WO 9105826A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- joint
- weight
- compounds according
- joint sealing
- sealing compounds
- Prior art date
Links
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Classifications
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- 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
- C09D5/34—Filling pastes
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0682—Containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2200/00—Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers
- C09K2200/06—Macromolecular organic compounds, e.g. prepolymers
- C09K2200/068—Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain
- C09K2200/0685—Containing silicon
Definitions
- the invention relates to joint sealants which are resistant to early rain
- Non-ionic cellulose ethers (II) from the group formed by hydroxyethyl, hydroxyethylimethyl, hydroxypropylmethyl and hydroxypropyl cellulose
- customary additives such as fillers, pigments, plasticizers, extenders, thickeners, defoamers, dispersing aids, pH regulators, preservatives and preservatives and
- Joint sealants are known to the person skilled in the art and have proven themselves in practice. The use of joint sealant is problematic in areas where there is a possibility or risk that the joint sealant is exposed to water pollution, for example by spray water or roe, before it hardens. For example, many of the jointing compounds that have also been used outdoors are partially or completely washed out by a heavy downpour that started shortly after they were applied.
- DE 3814078-A1 discloses the use of non-ionic cellulose ethers in joint sealants or coating compositions based on acrylate dispersions.
- Non-ionic cellulose ethers are also known as constituents of coating compositions and paints, e.g. those based on aqueous dispersions of organopolysiloxanes as described in DE 1284007 or those based on vinyl acetate / maleic acid dibutyl ester dispersions as described in DE 21 08365.
- cellulose ethers are also suitable for joint sealants based on the same polymer dispersion and lead to the desired effects.
- the specialist magazine Resin Review .35,2 describes a roof coating ace that contains a polyacrylate dispersion as a binder and, in addition to fillers and other auxiliary substances, also hydroxyethyl cellulose as a thickener. contains.
- This coating ace is advertised as particularly wash-resistant. However, this property is attributed to the specific setting behavior of the polyacrylate emulsions specially developed and used for such coating compositions. It was therefore not obvious to a person skilled in the art to use hydroxyethyl cellulose in joint sealants to improve the early rain strength.
- coating compounds do not meet the requirements placed on joint sealing compounds. These are in particular requirements such as those required by DIN 52456 “Determining the Processability of Sealants” and DIN .52454 “Stability”. In particular when it comes to durability, joint sealing compounds must have the property that they do not run off, or only slightly, from a U-profile filled with this compound, which is placed upright after filling. Coating compounds are generally less viscous because. on the one hand they should be applicable by spraying or rolling and on the other hand they should show a certain course for leveling the mass. Although joint sealants and coating compounds can in principle be produced from the same constituents, it should also be possible to produce a reasonably usable coating ace by diluting a joint sealant, but conclusions cannot necessarily be drawn in the reverse manner.
- nonionic cellulose ether derivatives such as hydroxyethyl cellulose (HEC), hydroxyethyl methyl cellulose (HEMC) and hydroxy - Propyl-methylcellulose (HPMC) can be used in plastic plasters and emulsion paints, among other things, to improve water retention, open time, wet grip and thickening and setting behavior.
- HEC hydroxyethyl cellulose
- HEMC hydroxyethyl methyl cellulose
- HPMC hydroxy - Propyl-methylcellulose
- paints such as emulsion paints and plastic mortars represent another area of technology that is not comparable to joint sealants.
- plastic plasters can possibly be used to decay joints, but generally have no pronounced sealing properties and, in contrast to the joint sealing compounds, can be portioned and processed with a trowel when they are applied.
- the object of the invention is to provide joint sealants based on polymer dispersions which, in addition to good smoothing behavior, have an early rain resistance of the uncured compositions without other desired properties such as modulus of elasticity, elongation at break and resilience, and resistance to migration and coagulum and Speck freedom can be adversely affected. It was also an object of the invention to provide a method which makes it possible to produce such compositions.
- the object was achieved by early rain-resistant joint sealants containing aqueous polymer dispersions (I) non-ionic cellulose ethers (II) from the group formed by hydroxyethyl, hydroxyethylimethyl, hydroxypropylmethyl and hydroxypropyl cellulose, and if appropriate conventional additives such as fillers, pigments, plasticizers, extenders Thickeners, defoamers, dispersing aids, pH regulators, preservatives and anti-aging agents as well as at least one organic liquid component from the group of conventional additives and can be prepared by intimately mixing (I) with the other constituents, characterized in that that (II) in the delayed and / or non-retarded form, suspended in the liquid organic component, is added and mixed in.
- aqueous polymer dispersions I
- non-ionic cellulose ethers II
- conventional additives such as fillers, pigments, plasticizers, extenders Thickeners, defoamers, dispersing aids
- joint sealant The individual components of the joint sealant are known to the person skilled in the art as such, for example from DE 38 14078-Al. Further suitable polymer dispersions for the production of joint sealants are commercially available and / or are known to the person skilled in the art from the patent and specialist literature, for example from E. Flick, Construction and structural adhesives and sealants, Noyes Publications, Park Ridge 1988 or E. Flick, Adhesives and sealant compound formulations, Noyes Publications, Park Ridge 1978. Particularly advantageous joint sealing compounds contain dispersions of polyacrylates and / or acrylate copolymers capable of film formation.
- joint sealants which are selected from dispersions of polymers or copolymers capable of film formation from those of ethylene / vinyl acetate, butadiene / styrene, vinyl acetate / maleic acid ester, silicone, urethane, vinyl acetate methacrylic acid / chloroprene and Isoprene polymers or copolymers formed group.
- dispersions of polymers or copolymers capable of film formation from those of ethylene / vinyl acetate, butadiene / styrene, vinyl acetate / maleic acid ester, silicone, urethane, vinyl acetate methacrylic acid / chloroprene and Isoprene polymers or copolymers formed group.
- Different polymer dispersions can be combined.
- polysulfide dispersions prove to be particularly suitable in connection with polymers capable of film formation. For the sake of simplicity, the following text speaks only of polymer dispersions.
- the cellulose ethers suitable according to the invention are slurried in the liquid organic component.
- Such components are, for example, plasticizers, extenders and / or wetting agents.
- Retarded and / or non-retarded cellulose ethers can optionally be used.
- the aqueous dispersions contained in the joint sealants of the invention preferably have solids contents of 40 to 75, in particular 45 to 65% by weight.
- Their pH value can be at least 6, in particular 7 to 9, and is adjusted to these values if necessary.
- the cellulose ethers contained in the jointing compounds according to the invention preferably have Brookfield viscosities of at least 5,000 mPas as a 2% strength aqueous solution at 20 ° C. Those with a value of at least 25,000 mPas, for example medium-viscosity hydroxyethyl celluloses, are preferred. So-called highly viscous cellulose ether types which have a corresponding value of at least 70,000 mPas are particularly suitable, e.g. highly viscous hydroxyethyl cellulose. Commercial high viscosity hydroxyethyl cellulose e.g. as a 2% solution at 20 ° C a viscosity of 100,000 mPas.
- the ratio of the amounts of cellulose ether to "free” water is obviously important, which is decisive for whether this solubility limit. is exceeded or not.
- Free water is understood here to mean the water content of the sealing compound which is available to the cellulose ethers " to dissolve in.
- the total water content of the joint sealing compound cannot be used for a corresponding calculation. Rather, it must be taken into account that the others Constituents also require a certain amount of water or bind more or less tightly, so-called water values are known for most fillers, which is, for example, 11 g water per 100 g heavy spar for spar spar.
- silica for example, for the HDK type V 15 from Wacker-Chemie, values between 350 and 400 g of water per 100 g of silica can be determined. These values offer the person skilled in the art an indication of what amounts of "bound” water he has to subtract from the total water content of the sealant in order to free the amount "Water. It is therefore preferred that this amount of” free "water in relation z u the amount of the cellulose ether type used in each case gives a ratio which is above the respective solubility limit.
- fillers can be contained in the joint sealants of the invention in an amount of 0 to 60, in particular 2 to 60% by weight, based on the total mass of the joint sealants.
- Such compositions if they contain little or no fillers, are highly transparent.
- Low filler contents can be present, in particular, in those compositions in which the fillers have an additional thickening effect, such as silica. Only fillers used do not have this zu ⁇ sharmlichen effect, the content thereof is usually between 35 and 60 "wt .-%. We speak here of highly filled compositions.
- the jointing compounds contain chlorinated hydrocarbons, in particular chlorinated paraffins, as plasticizers, and nonionic surfactants as wetting agents.
- chlorinated paraffins with a. Chain length of about 10 to 18 carbon atoms and a chlorine content of about 40 to 70% by weight.
- the joint sealants contain
- Additives such as thickeners, defoamers and
- Pigments at least sufficient amounts of organic liquid component and up to 1.5% by weight of cellulose ether for slurrying the cellulose ethers
- the cellulose ether content should not be much less than 0.1% by weight. Good results are shown in particular in the case of joint sealants in which, taking into account the general parameters such as cellulose ether type and free water content, the cellulose ether content is in a range from about 0.1 to 0.5% by weight, based on the total amount.
- the cellulose ethers are slurried in the organic liquid component before the addition in the production of the joint sealing compound according to the invention.
- This ratio of cellulose ether to liquid is preferably in a range from 1: 2 to 1: 4, in particular approximately 1: 3.
- One of the usual additives for joint sealants, such as plasticizers, extenders and / or wetting agents, is preferably used as the liquid organic component .
- a neutral to basic setting of the joint sealing compounds can have a favorable effect on their stability, in particular on their shear stability.
- the polymer dispersion is usually initially taken in the preparation of the joint sealing compounds according to the invention.
- the usual additives with the exception of the pH regulators are then added and mixed in.
- the mixture is then mixed with the cellulose ethers slurried in the organic liquid component and, after the fillers have been subsequently mixed in, the pH regulators are added.
- stirring can be carried out under vacuum.
- joint sealants are preferably used as intended. They are particularly suitable for use in areas in which they are exposed to splash water, rain or other early water pollution.
- the irrigation equipment consisted of a housing made of transparent plastic with the dimensions: height 70 cm, width 60 cm and depth 60 cm. It comprised a housing 1, a shower head 2, a sample bowl 3, a pump 4, a floor drain 5 and a shut-off valve 6 for the drain.
- the sample pan consisted of a vessel measuring 7 x 7 cm and had a depth of 2.5 cm.
- the shower head was a conventional hand shower as used for body care and was set so that the sample was irrigated evenly. The distance between sample 3 and shower head 2 was 30 cm.
- the apparatus was operated with demineralized water, the pump generating an excess pressure of approximately 0.4 bar.
- the water flow rate was 300 l / h.
- the spraying with water was carried out 5 minutes, in each case 1 minute after filling and smoothing the surface of the masses to be tested.
- the washout (in% by weight) was determined by differential weighing before and after sprinkling.
- the processability was measured according to DIN 52456. A 4 m bore, a pressure of 2 bar and a test volume of 200 ml were used.
- Copolymer of vinyl acetate and ethylene (approximately 60% solids), with a pH of approximately 4.5 and a viscosity of approximately 1600 mPa.s at 20 ° C. (trade name: Vinnapas EP 17, from Wacker), 250 g chlorinated paraffin (C12-C14, 49% chlorine), 2800 g barium sulfate (trade name: Schwerspat EW0), 100 g titanium dioxide (trade name: KR0N0S RN 56) 25 g sodium carbonate (technical, pure commercial product), 25 g ethylene oxide adduct (approx. 9, 5 E0) of nonylphenol, 5 g of commercially available halogenated preservative, 37 g of hydroxyethyl cellulose with a viscosity of about
- the procedure was such that the polymer dispersion was initially introduced.
- the ethylene oxide adduct (emulsifier), the preservative, the titanium dioxide (pigment) and part of the chlorinated paraffin were then added.
- the hydroxyethyl cellulose was slurried and also added, and the whole was mixed well.
- the barium sulfate (filler) was added and stirred until smooth.
- This mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- composition according to Example 1 was prepared, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion based on a copolymer of styrene and butadiene (approximately 64% solids) with a pH of 10.5 and a viscosity of about 800 mPa.s at 20 ° C (trade name: Polysar 2105, Hycar) were used.
- This mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion based on a copolymer of vinyl acetate and Maleic acid di-n-butyl ester, solids content approx. 53%, pH value 4 to 5, viscosity (Brookfield, 20 ° C., 20 rpm) 1000 to 3000 mPa.s, trade name Mowilith DM 2HB, Hoechst, were used.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available silicon emulsion (elastically drying from the emulsion, approximately 45% solids), a pH of approx. 5 and a density of about 1.0 at 20 ° C, trade name: Wacker silicone building protection agents.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion described there of a copolymer of vinyl acetate and ethylene 1750 g of an aqueous, commercially available Dispersion of a polysulfide polymer, approximately 55% solids, pH 9-10, trade name: ZW 2028, from Thiokol.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion of a polyurethane polymer, approximately 40% solids, pH 7.0 to 7.5, viscosity 10,000 to 18,000 mPa.s, trade name: VP-LA 3110, from Henkel.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion based on a polyvinyl acetate, approximately 50% solids, pH about 6 to 7, viscosity about 10,000 to 18,000 mPa.s (Brookfield), trade name Mowilith DLR, Hoechst, were used.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion based on a copolymer of chloroprene and methacrylic acid, approximately 46.5 to 48.5% Solid, pH about 9, trade name Neoprene Latex 115, were used.
- the mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- a composition was prepared according to Example 1, wherein instead of the dispersion of a copolymer of vinyl acetate and ethylene described there, 1750 g of an aqueous, commercially available dispersion based on a natural rubber latex, approximately 70% Solid, pH about 9 to 10, trade name Revertex Standard, were used.
- This mixture was filled into 310 ml cartridges and was stable for at least one year at temperatures up to 35 ° C.
- Examples 1 to 9 were replaced by replacing the hydroxyethyl cellulose used there with a commercially available methyl hydroxypropyl cellulose (MHPC) with a viscosity of about 20,000 mPa.s of a 2% solution at 20 ° C. according to Brookfield and a hydroxypropyl group content of 3. 2% by weight measured again.
- MHPC methyl hydroxypropyl cellulose
- the spray rates according to DIN 52456 are comparable.
- the smoothing behavior can be assessed as good.
- Examples 1 to 9 were measured again after replacing the hydroxyethyl cellulose used there with a commercially available hydroxypropyl cellulose (HPC) with a viscosity of approximately 5000 mPa.s of a 2% solution at 20 ° C. according to Brookfield and a hydroxypropyl group content of 70% .
- the spray rates according to DIN 52456 are comparable. The smoothing behavior can be assessed as good.
- Examples 1 to 9 were measured again after replacing the hydroxyethyl cellulose (HEC) with a commercially available aqueous polyacrylic acid dispersion (approximately 25% solids, trade name: Rohagit SD 15).
- the injection rates according to DIN 52456 were comparable.
- the smoothing behavior is poor; the washout behavior is less favorable.
- Examples 1 to 9 were produced without hydroxyethyl cellulose (HEC) (trade name: Natrosol 250 HR).
- HEC hydroxyethyl cellulose
- the smoothing behavior is . deficient; the washout behavior is less favorable.
- the procedure was such that the polymer dispersion was initially introduced.
- the ethylene oxide adduct (emulsifier), the preservative, the titanium dioxide (pigment) and part of the chlorinated paraffin were then added.
- the hydroxyethyl cellulose was slurried and also added, and the whole was mixed thoroughly.
- the sodium carbonate was then mixed in as a 10% strength aqueous solution.
- the barium sulfate (filler) was added and stirred until smooth. This mixture was filled in 310 ml plastic cartridges and was stable for at least one year at temperatures up to 35 ° C.
- Example 12 In a planetary mixer, the constituents listed in Example 12 were mixed intensively for about 45 minutes using the same procedure, but instead of the hydroxyethyl cellulose:
- Example 12 In a planetary mixer, the constituents listed in Example 12 were mixed intensively for about 45 minutes using the same procedure, but using instead of the hydroxyethyl cellulose
- This mixture was filled in 310 ml plastic cartridges and was stable for at least one year at temperatures up to 35 ° C.
- Wacker-Ghemie 36 g aqueous ammonia solution (25%) 52 g chlorinated paraffin (C10-C1, 49% chlorine) 18 g hydroxyethyl cellulose with a viscosity of approximately 4000 mPas of a 1% aqueous solution and a hydroxyethyl group content of 55% by weight, trade name: Natrosol 250 HHR.
- the procedure was such that the dispersion was initially introduced.
- the ethylene oxide adduct (emulsifier), the preservative and the defoamer were then added.
- the hydroxyethyl cellulose was slurried in the chlorinated paraffin and likewise added, and the whole was thoroughly mixed. This was followed by the mixing in of the 25% aqueous ammonia solution. Finally, the disperse silica (filler) was added and stirred until smooth.
- the procedure was as follows, that the dispersion was introduced, then part of the polybutene, the ethylene oxide adduct, the preservative, the plasticizer and the water and the solvent were intimately mixed with one another.
- the other part of the polybutene was 3: 1 with the hydroxyethyl cellulose slurried and also added and mixed in and stirred for 5 minutes.
- the chalk and the titanium dioxide were then worked in and stirred for 10 minutes. After the ammonia had been added, stirring was continued for a further 15 minutes under vacuum at 40 mbar.
- a composition according to Example 1 was produced, a non-retarded, highly viscous hydroxyethyl cellulose, otherwise of the same specification, being used instead of the Natrosol 250 HHR type described there (trade name Natrosol 250 HH).
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920700894A KR920702399A (ko) | 1989-10-19 | 1990-10-10 | 초기-내수성 접합용 배합물 |
BR909007753A BR9007753A (pt) | 1989-10-19 | 1990-10-10 | Massas de vedacao de juntas resistentes a exposicao prematura a chuva |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3934870.9 | 1989-10-19 | ||
DE3934870A DE3934870C2 (de) | 1989-10-19 | 1989-10-19 | Fugendicht- bzw. Beschichtungsmassen auf Basis wäßriger Polymerdispersionen sowie Verwendung von nichtionischen Celluloseethern als Zusätze zu diesen Massen |
DE19904024551 DE4024551A1 (de) | 1990-08-02 | 1990-08-02 | Fruehregenfeste fugendichtungsmassen |
DEP4024551.9 | 1990-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991005826A1 true WO1991005826A1 (de) | 1991-05-02 |
Family
ID=25886257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1990/001700 WO1991005826A1 (de) | 1989-10-19 | 1990-10-10 | Frühregenfeste fugendichtungsmassen |
Country Status (9)
Country | Link |
---|---|
US (1) | US5118731A (de) |
EP (2) | EP0541541A1 (de) |
JP (1) | JPH05501271A (de) |
KR (1) | KR920702399A (de) |
CN (1) | CN1051052A (de) |
BR (1) | BR9007753A (de) |
CA (1) | CA2070638C (de) |
MX (1) | MX172030B (de) |
WO (1) | WO1991005826A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4224044A1 (de) * | 1992-07-21 | 1994-01-27 | Bostik Gmbh | Frühregenfeste Dichtmasse auf Basis wäßriger Acrylatdispersionen und Verfahren zu ihrer Herstellung |
KR20000072715A (ko) * | 2000-09-21 | 2000-12-05 | 홍승익 | 외단열시스템 시공용 방수 모르타르 제조방법 |
PL1947070T3 (pl) * | 2005-11-09 | 2019-05-31 | Yoshino Gypsum Co | Ściana, przegroda, sufit lub podłoga zawierające płyty gipsowe do ekranowania promieni radioaktywnych |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0339427A2 (de) * | 1988-04-26 | 1989-11-02 | Henkel Kommanditgesellschaft auf Aktien | Verwendung von nichtionischen Celluloseethern in Fugendicht- bzw. Beschichtungsmassen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1284007B (de) * | 1963-10-16 | 1968-11-28 | Wacker Chemie Gmbh | Waessrige Dispersionen von Organopolysiloxanen und organischen Harzen enthaltende Anstrichmittel |
GB1354436A (en) * | 1971-02-22 | 1974-06-05 | Hoechst Ag | Alkyd resin-modified dispersions |
DE2415556C3 (de) * | 1974-03-30 | 1982-09-09 | Henkel KGaA, 4000 Düsseldorf | Verfahren zur Herstellung von mit Glyoxal behandelten hochmolekularen Substanzen |
-
1990
- 1990-10-10 WO PCT/EP1990/001700 patent/WO1991005826A1/de not_active Application Discontinuation
- 1990-10-10 EP EP90914905A patent/EP0541541A1/de not_active Withdrawn
- 1990-10-10 JP JP2513897A patent/JPH05501271A/ja active Pending
- 1990-10-10 KR KR1019920700894A patent/KR920702399A/ko not_active Application Discontinuation
- 1990-10-10 CA CA002070638A patent/CA2070638C/en not_active Expired - Lifetime
- 1990-10-10 EP EP90119449A patent/EP0423612A1/de active Pending
- 1990-10-10 BR BR909007753A patent/BR9007753A/pt not_active Application Discontinuation
- 1990-10-17 MX MX022887A patent/MX172030B/es unknown
- 1990-10-17 CN CN90108466A patent/CN1051052A/zh active Pending
- 1990-10-19 US US07/600,454 patent/US5118731A/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0339427A2 (de) * | 1988-04-26 | 1989-11-02 | Henkel Kommanditgesellschaft auf Aktien | Verwendung von nichtionischen Celluloseethern in Fugendicht- bzw. Beschichtungsmassen |
Also Published As
Publication number | Publication date |
---|---|
JPH05501271A (ja) | 1993-03-11 |
CN1051052A (zh) | 1991-05-01 |
BR9007753A (pt) | 1992-08-11 |
MX172030B (es) | 1993-11-29 |
KR920702399A (ko) | 1992-09-04 |
EP0423612A1 (de) | 1991-04-24 |
CA2070638C (en) | 1994-09-13 |
CA2070638A1 (en) | 1991-04-20 |
EP0541541A1 (de) | 1993-05-19 |
US5118731A (en) | 1992-06-02 |
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