WO2006070132A1 - Dispersion aqueuse de polyether silyle - Google Patents
Dispersion aqueuse de polyether silyle Download PDFInfo
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- WO2006070132A1 WO2006070132A1 PCT/FR2005/003269 FR2005003269W WO2006070132A1 WO 2006070132 A1 WO2006070132 A1 WO 2006070132A1 FR 2005003269 W FR2005003269 W FR 2005003269W WO 2006070132 A1 WO2006070132 A1 WO 2006070132A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/46—Post-polymerisation treatment, e.g. recovery, purification, drying
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
Definitions
- the present invention relates to compositions based on silylated polyether having alkoxysilyl units capable of crosslinking into an elastomer.
- US Pat. No. 3,971,751 discloses silylated polyethers with alkoxysilyl units, commonly known as MSP or MS Polymers, which, in the presence of a condensation catalyst, can crosslink into elastomer under the action of humidity and at room temperature.
- MSP alkoxysilyl units
- the elastomer has adhesiveness and elasticity properties making it suitable for use in the field of sealing.
- the anhydrous compositions based on silylated polyether are extremely sensitive to ambient humidity, which requires taking precautions during their production and storage. They are also difficult to implement because cleaning tools, surfaces, etc. requires the use of organic solvents. Among the other disadvantages of these compositions is the release of alcohol, usually methanol.
- the object of the present invention is to provide novel compositions capable of solving the problems of the anhydrous compositions based on silylated polyethers mentioned above, while at the same time making it possible to generate elastic and adherent elastomers, which can in particular be used in the field of mastics and analogs used for example in jointing in the building industry, the automotive industry or the household electrical appliance, or in the field of elastic coatings and paints.
- the subject of the invention is thus an aqueous dispersion capable of crosslinking by elastomer condensation by elimination of water in the presence of a polycondensation catalyst, comprising, dispersed in a continuous aqueous phase, an organic phase containing at least one polymer comprising a polyether chain, optionally branched, carrying, per molecule, at least one terminal alkoxysilyl unit and at least two -OR groups carried by one or more silicon atoms (by definition, a silicon atom of an alkoxysilyl group), the dispersion still containing an emulsifier adapted to the formation of the dispersion.
- a condensation catalyst may be present in the organic phase or it may be added to a non-catalyzed dispersion at any time during the manufacture or processing of the final dispersion.
- the polymer preferably comprises: at least two, more preferably at least three -OR groups borne by one or more (different) silicon atoms, and / or at least two terminal alkoxysilyl units, it being understood that when the polymer is branched, the branching, of polyether nature, may carry a terminal alkoxysilyl unit.
- R may represent hydrogen or a linear or branched, C1 to C8, better still C1 to C3 alkyl group, more preferably methyl.
- the committed polyether polymer contains exclusively or mainly -OR in which R is an alkyl as described above.
- constituent units of the polyether chain intended to form the organic phase are, or include, a polyoxyalkylene structure:
- R 4 groups identical or different in the same chain, are divalent alkylene groups C1 to C6, preferably C3 or C4. It can therefore be polymers with a single pattern or with several units, eg block-copolymers and random polymers.
- the polyether may be branched, that is to say comprise one or more polyether side chains having the same structure general - R 4 - O -, which may optionally be terminated by an alkoxylilyl unit of formula (a).
- the termini of the polyether chains when they are not of the alkoxysilyl type, can in particular be of the --CH 2 OH type.
- the composition according to the invention may therefore also comprise a certain proportion of polyether chains of hydroxysilyl units and chains crosslinked together by Si - O - Si bonds.
- the dispersion may contain more than one type of these polymers.
- the polymer (s) present may be further characterized in that they have a molecular weight of between 500 and 15,000, preferably between 3,000 and 12,000.
- polymers which are liquid at room temperature (15-25 ° C.).
- polymers whose glass transition temperature is slightly higher than ambient temperature can be used, and it may be desirable to liquefy them by mixing with a plasticizer.
- a plasticizer mention may be made of the low volatility solvents of polyethers (phthalates, alkylbenzenes, etc.).
- the organic phase may also comprise a crosslinking agent, in particular a crosslinking silane.
- a crosslinking silane is preferably present when the polymer has only 2 -OR groups per molecule. It can be a silane of formula
- cetiminoxy group containing from 1 to 8 carbon atoms
- silanes are described in particular in US Pat. No. 3,294,725; US-A-4,584,341; U.S. Patent 4,618,642; US-A-4,608,412; US-A-4,525,565; EP-A-387157; EP-A-340,120; EP-A-364,375; FR-A-1,248,826; FR - 1 023477.
- alkoxysilanes Si (OC 2 H 5 ) 4 ; CH 3 Si (OCH 3 ) 3 ; CH 3 Si (OC 2 H 5 ) 3; (C 2 H 5 O) 3 Si (OCH 3 );
- These silanes can be employed in amounts of the order of 0 to 10 parts by weight, preferably of the order of 0 to 5 parts by weight per 100 parts of polyether.
- Polycondensation catalysts are well known to those skilled in the art; mention may be made of carboxylic acid salts, alkoxides, chelates and halides of metals such as lead, zinc, zirconium, titanium, iron, barium, calcium, manganese, vanadium, bismuth, antimony, aluminum and especially tin, and mixtures thereof; or alternatively nitrogen or amine compounds.
- carboxylic acid salts alkoxides, chelates and halides of metals such as lead, zinc, zirconium, titanium, iron, barium, calcium, manganese, vanadium, bismuth, antimony, aluminum and especially tin, and mixtures thereof; or alternatively nitrogen or amine compounds.
- diorganotin dicarboxylates (GB-A-1,289,900). They can be used in amounts of up to about 3 parts by weight, preferably about 0.05 to 1 part by weight per 100 parts of polymer.
- the catalyst may be dispersed in the organic phase before emulsification, or may be added to the dispersion, optionally in the form of a catalyst emulsion.
- Emulsifiers are known compounds. They may be liquid or solid, and may be chosen from surfactants, water-soluble polymers such as polyvinyl alcohol and solid particles forming a Pickering emulsion or the like.
- the surfactants used are preferably nonionic; examples that may be mentioned include alkoxylated fatty acids, polyalkoxylated alkylphenols, polyalkoxylated fatty alcohols, polyalkoxylated or polyglycerolated fatty amides, polyglycerolated alcohols and alpha diols, ethylene oxide-propylene oxide block polymers, and the like. as well as alkylglucosides, alkylpolyglucosides, sucroethers, sucroesters, sucroglycerides, sorbitan esters, etc., and the ethoxylated compounds of these sugar derivatives, etc.
- the anionic surfactants may be chosen from alkylbenzene sulphonates, alkyl sulphates, alkyl ether sulphates, alkylaryl ether sulphates, dioctylsulphosuccinates and alkali metals, and the like.
- the surfactant or the mixture of surfactant (s) used may have an HLB of the order of 11 to 15, in particular when the surfactant is nonionic.
- the weight ratio water / water + surfactant (s) is a function of the viscosity of the polymer phase and the nature of the (mixture of) surfactant (s); this ratio is for example of the order of 20/100 to 70/100, preferably of the order of 25/100 to 60/100.
- the dispersion may contain a filler, preferably in the aqueous phase. It may be a reinforcing filler, a semi-reinforcing filler or a filler, or a mixture of at least two types.
- a filler preferably in the aqueous phase.
- It may be a reinforcing filler, a semi-reinforcing filler or a filler, or a mixture of at least two types.
- siliceous fillers such as colloidal silica and precipitated silica.
- Examples of semi-reinforcing fillers or stuffing are natural stuffing calcium carbonate, semi-reinforcing industrial carbonates, diatomaceous earths, ground quartz, hydrated alumina, magnesium hydroxide, carbon, titanium dioxide, aluminum oxide, vermiculite, zinc oxide, mica, talc, iron oxide, barium sulfate, slaked lime.
- the particle size of these charges is generally of the order of 0.001 to 300
- a reinforcing filler in particular a colloidal silica, and / or a semi-reinforcing filler, in particular based on carbonate, will be present.
- Industrial carbonates can be used as semi-reinforcing fillers.
- precipitation carbonates eg precipitation calcium carbonate.
- these precipitation carbonates can then have a surface BET specific high, greater than 5 m 2 / g.
- such carbonates having an average particle size less than or equal to 0.1 ⁇ m, more preferably between 0.01 and 0.1 ⁇ m, and preferably a BET specific surface area ranging from 10 to 70 m 2 , are preferably used.
- / g preferably from 15 to 30 m 2 / g.
- the carbonates according to the invention are treated in particular with carboxylic fatty acids such as stearic acid.
- amorphous silica may be used as reinforcing filler, namely precipitated silicas and colloidal silicas. Of course, it is also possible to use blends of different silicas.
- Their BET surface area is generally greater than 40 m 2 / g and preferably between 100 and 300 m 2 / g.
- a charge dispersing agent may be provided, such as, for example, alkali metal polyacrylates having a molecular weight of less than 5,000, mineral phosphates, etc., in amounts of up to 10% by weight of the final aqueous dispersion.
- the dispersion may also comprise at least one adhesion promoter, preferably chosen from amino or non-amino organosilicon compounds, preferably silanes, whether or not aminated, bearing at the same time:
- organic groups containing radicals chosen from the group of amino (or diamino), (meth) acrylate, epoxy, alkenyl (typically 2 to 6 C) and / or alkyl (typically 1 to 8 C) radicals; ).
- silanes or a mixture of at least two of them: 3-aminopropyltriethoxysilane, may be used,
- tetrapropoxysilane tetraisopropoxysilane
- hydrolysis and condensation products such as polyorganosiloxane oligomers containing such organic groups at a content greater than 20%.
- the adhesion promoter will partition between the aqueous and organic phases depending on its solubility parameters.
- amino silanes such as aminopropyltriethoxysilane
- aqueous silanes sold by Degussa under the name Hydrosyl® HS sold by Degussa under the name Hydrosyl® HS.
- a silicate bearing one or more hydrolyzable groups in particular alkyl groups, typically from 1 to 8 C. Mention may be made of propyl silicates, isopropyl silicates and ethyl silicates.
- the silicates can be polycondensed or not.
- the adhesion promoter as for the condensation catalyst, it is conceivable to have a two-component product, on the one hand with the dispersion of the organic phase containing the polyether, and on the other hand, with a preparation of catalyst and / or promoter, eg in dispersed or emulsified form, the two parts being able to be mixed and to make it possible to produce the elastomer during drying.
- the dispersions according to the invention can also be defined as those which are capable of crosslinking by elastomeric condensation by elimination of water in the presence of a polycondensation catalyst, and which are capable of being obtained by dispersion, in a single phase.
- composition can evolve over time, with reactions of hydrolysis of the alkoxy -Oalkyl groups to hydroxyl groups and optionally inter-chain grafting.
- the dispersions that can thus be obtained thus comprise -Oalkyl and / or -OH groups in variable proportions, and optionally polyether chains that are more or less crosslinked with each other.
- a condensation catalyst may be present in the organic phase or it may be added to a non-catalyzed dispersion at any point in the manufacture or processing of the final dispersion.
- the dispersion is as obtained after partial or complete hydrolysis of -Oalkyl to -OH and removal, e.g. devolatilization, of all or part of the alcohol, e.g. methanol, product.
- a low alcohol content dispersion, e.g. methanol, is obtained and subsequently, upon drying, will release little alcohol.
- the "oil-in-water" emulsion of the organic phase can be carried out by introducing this phase into a water + surfactant (s) mixture or preferably by introducing the water into an organic phase mixture.
- the dry extract of the dispersions according to the invention may represent from 40 to 90%, preferably from 70 to 87% by weight of the total dispersion.
- the dry extract is advantageously between
- the solids content is advantageously greater than 80%.
- the dispersion according to the invention may furthermore comprise a second organic phase containing a silicone composition of the type conventionally used in aqueous dispersions based on silicone oils which can crosslink by elimination of water, of elastomer that can be used in buildings, automotive industry and household appliances, particularly in the form of seals, paints, etc.
- the complex dispersion according to the invention can simply be the result of the mixing between a first polyether polymer dispersion and a second silicone composition dispersion. It can also result from simultaneous or successive emulsification of the two organic phases.
- the usual silicone compositions or silicone dispersions for example those described in FR-A-2 697 021 and FR-A-2 780 067.
- These compositions contain a reactive silicone oil, that is to say carrying at least two condensable functional groups, for example chosen from:
- OH group (preferred mode); . alkoxy or alkenyloxy group containing from 1 to 10 carbon atoms;
- aryloxy group containing from 6 to 13 carbon atoms containing from 6 to 13 carbon atoms; . acyloxy group containing from 1 to 13 carbon atoms; . cetiminoxy group containing from 1 to 8 carbon atoms; . amino- or amido-functional group containing from 1 to 6 carbon atoms, bonded to silicon via an Si-N bond.
- a hydroxylated silicone oil will be chosen as the base.
- Such an oil may be an ⁇ , ⁇ -hydroxylated polydiorganosiloxane (POS) of formula:
- R 1 which may be identical or different, each represent a substituted or unsubstituted, aliphatic, cyclanic or aromatic saturated monovalent hydrocarbon radical C 1 to C 13;
- n has a value sufficient to give the POS A 'a dynamic viscosity at 25 ° C ranging from 500 to 1,000,000 mPa.s.
- the organic silicone phase may comprise the usual additives, and in the first place, a polycondensation catalyst chosen from those described above for the polyether phase. It will preferably be the same catalyst. The quantities involved will also be of the same order of magnitude.
- the silicone phase comprises a reinforcing filler, semi-reinforcing or filler, or a mixture of at least two types. These charges are generally chosen from those described above for the polyether phase. Colloidal silicas and carbonate fillers are preferred. The quantities involved will also be of the same order of magnitude.
- the silicone phase may also comprise: a crosslinking agent and / or a crosslinking silane, eg as described above for the polymer dispersion, a hydroxylated or alkoxylated silicone resin,
- a plasticizer for the organic phase for example polydimethylsiloxane oils with a viscosity of the order of 300 to 10,000 mPa.s, dioctylphthalates, dialkylbenzenes, etc., optionally in aqueous emulsion, in amounts of 0 to 70 parts by weight per 100 parts by weight of oil (A '); and / or a charge dispersing agent for the aqueous phase, such as, for example, alkali metal polyacrylates having a molecular weight of less than 5,000, mineral phosphates, etc., in amounts of up to 10% by weight of the dispersion. final aqueous.
- the dry extract values mentioned above, which remain valid, are the summation of the solids content of the polyether phase and that of the silicone phase.
- the silicone phase to polyether phase ratio in the dispersion will be between 0.1 and 10, preferably between 0.5 and 5.
- the viscosity of the oils is a Newtonian dynamic viscosity at 25 ° C. measured at using a BROOKFIELD viscometer as specified in the AFNOR NFT 76102 standard of May 1982.
- the BET surface area is determined according to the method BRUNAUER, EMMET, TELLER described in "The Journal of the American Chemical Society, Vol. 80, page 309 (1938) "corresponding to the AFNOR standard NFT 45007 of November 1987.
- the invention also relates to elastomers obtainable by crosslinking by condensation by removal of water, in the presence of a polycondensation catalyst, a dispersion according to the invention.
- the subject of the invention is also a kit comprising, separately in the same package, an aqueous dispersion according to the invention without a catalyst and a preparation of the condensation catalyst of the invention, for example in the form of an emulsion, these two parts being intended to be mixed before use.
- the making of a putty comprises two steps: the emulsification of the polyether oil or MSP oil in water (Example 1), and then the formulation of the final product (Examples 2, 3 and 4).
- MSP oil S303H® (KANEKA): 3000 g
- MSP polymer oil is a polypropoxy chain oil with silylated ends, functionalized methoxy, of average general formula:
- Rhodasurf® ROX surfactant from Rhodia Chimie (ethoxylated isotridecyl alcohol, with an average of 8 CH 2 CH 2 O units, at 85% active ingredient in water): 450g - Demineralized water: 525g
- the mixture is cooled by circulation of water in the jacket during the entire duration of the handling, so as not to exceed 40 ° C.
- a concentrated oil-in-water emulsion is obtained by phase inversion: the mixture takes a gel appearance, and acquires a threshold of flowability. The product is no longer flowing as was the starting oil.
- a small sample was taken from the mixture and placed in a little demineralized water. It is observed a dissolution of the product in water, the emulsification has been successful (we have an oil-in-water emulsion).
- the particle size of the emulsion is then measured using a Coulter LS 130 granulometer, an average particle size of 0.4 ⁇ m is measured.
- the concentrated emulsion is packaged in an airtight container of 10 liters to avoid the loss of water which would harm the stability of the product.
- the solids content of the emulsion obtained is 91%.
- Example 1a Production of a concentrated emulsion (Silicone in water), emulsification step
- phase inversion water the mixture takes on a gel appearance, and acquires a pourability threshold. The product is no longer flowing as was the starting oil.
- a small sample was taken from the mixture and placed in a little demineralized water. It is observed a dissolution of the product in water, the emulsification has been successful (we have a silicone oil emulsion in water).
- the final dry extract of the product is 96% and the average particle size is 0.4 ⁇ m.
- the constituents of the following formula are added successively in a 2 liter mixer, with very slow stirring during the entire handling.
- the mixer used is a LAB MAX® from MOLTENI, the rotation speed of the tools is 20 rpm, and the scraper is activated.
- Cold water circulates in the jacket for the duration of the handling.
- Emulsion component little reinforced emulsion
- MSP Concentrated emulsion of MSP (eg 1) 465 465 Water 88 77 Na Coatex® polyacrylate dispersant P50 8 8 Socal® 312 treated carbonate, surface 120 60 specific 20 m 2 / g (SOLVAY) 72% Omyacoat® slurry carbonate
- the slow stirring is maintained until perfect homogeneity of the mixture.
- Degassing is then carried out under a vacuum of 50 mbar for about 20 minutes until the occluded air and volatiles have been evacuated.
- the product is then packaged in 310 mL polyethylene cartridges.
- the residual amount of methanol and methoxy groups is lower than in the starting MSP given the hydrolysis of methoxy in the presence of water and the devolatilization conditions used.
- the constituents of the following formula are added successively in a 2 liter mixer, with very slow stirring during the entire handling.
- the mixer used is a LAB MAX® from MOLTENI, the rotation speed of the tools is 20 rpm, and the scraper is activated.
- Cold water circulates in the jacket for the duration of the handling.
- Rhodalis® 4000 (Trade Mark Revetosil® 4000) is a fluid formulation used for coating applications, and the main constituent of which is a silicone emulsion. By combining this product with an MSP emulsion (example 1), the properties of the final material are modified.
- the MSP emulsion can be added directly to Rhodalis® 4000, with slow stirring (20 rpm). For 100 g of Rhodalis® 4000, 50 g of the MSP emulsion of Example 1 were added. 20.
- Shore A hardness is measured using a ZWICK® durometer. It characterizes the penetration rate of a calibrated tip in a stack of 3 films 2 mm thick, crosslinked at 23 ° C and 50% relative humidity.
- the shore A hardness (DSA) of the film characterizes the progress of the crosslinking:
- the mechanical properties are measured using an INSTRON® dynamometer on H2 specimens punched in the elastomer obtained by drying 7 days of a film of 2 mm thick.
- the modulus at 100% elongation, elongation at break and tensile strength are noted:
- these emulsions can be diluted with water and that it is possible to clean the tools with water; that MSP polymer emulsions have a very low toxicity risk in that they release less methanol than conventional anhydrous MSP mastics; that hybrid silicone / MSP emulsion compositions lead to a final elastomer obtained after drying which is macroscopically homogeneous, despite the fact that the two polymers are incompatible (immiscible); and that the MSP emulsion improves the ultimate properties (elongation and breaking strength) of the aqueous silicone sealant.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicon Polymers (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/794,092 US20090131567A1 (en) | 2004-12-23 | 2005-12-23 | Polyether Silyl Aqueous Dispersion |
EP05850060A EP1828280A1 (fr) | 2004-12-23 | 2005-12-23 | Dispersion aqueuse de polyether silyle |
JP2007547580A JP2008525561A (ja) | 2004-12-23 | 2005-12-23 | ポリエーテルシリル水性分散体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0413854 | 2004-12-23 | ||
FR0413854A FR2880026B1 (fr) | 2004-12-23 | 2004-12-23 | Dipersion aqueuse de polyether silyle |
Publications (1)
Publication Number | Publication Date |
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WO2006070132A1 true WO2006070132A1 (fr) | 2006-07-06 |
Family
ID=34953602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/003269 WO2006070132A1 (fr) | 2004-12-23 | 2005-12-23 | Dispersion aqueuse de polyether silyle |
Country Status (7)
Country | Link |
---|---|
US (1) | US20090131567A1 (fr) |
EP (1) | EP1828280A1 (fr) |
JP (1) | JP2008525561A (fr) |
KR (1) | KR20070117536A (fr) |
CN (1) | CN101189280A (fr) |
FR (1) | FR2880026B1 (fr) |
WO (1) | WO2006070132A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006061584A1 (de) * | 2006-12-27 | 2008-07-03 | Wacker Chemie Ag | Organosiliciumverbindungen und deren Verwendung in vernetzbaren Massen |
EP2231754B1 (fr) * | 2007-12-14 | 2011-07-20 | Henkel AG & Co. KGaA | Compositions durcissables contenant des dispersions aqueuses d'organopolysiloxanes |
GB201115161D0 (en) * | 2011-09-02 | 2011-10-19 | Dow Corning | Improving the drainage of an aqueous composition |
EP2907840B1 (fr) * | 2014-02-12 | 2018-10-31 | Essilor International | Article d'optique comportant un revêtement dur et procédé de production |
EP3808792A1 (fr) * | 2019-10-17 | 2021-04-21 | Kaneka Belgium N.V. | Émulsion aqueuse de polyéther comportant au moins un groupe silyle réactif |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998536A (en) * | 1995-09-14 | 1999-12-07 | Rhone-Poulenc Chimie | Aqueous polyorganosiloxane emulsion for the coating of textiles |
FR2780067A1 (fr) * | 1998-06-18 | 1999-12-24 | Rhodia Chimie Sa | Dispersion sillicone aqueuse reticulable en elastomere transparent et materiau d'etancheification et/ou de jointoiement et/ou de revetement comprenant cet elastomere |
US20030109632A1 (en) * | 2001-07-13 | 2003-06-12 | Lin Shaow Burn | High solids emulsions of curable elastomeric polymers |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2697021B1 (fr) * | 1992-10-20 | 1994-12-02 | Rhone Poulenc Chimie | Dispersions aqueuses à base d'huiles silicones visqueuses pouvant réticuler par élimination de l'eau et leur utilisation à la réalisation de joints élastomères silicones. |
US5851594A (en) * | 1992-10-20 | 1998-12-22 | Rhone Poulenc Chimie | Aqueous dispersions based on viscous silicone oils capable of cross-linking on removal of water |
-
2004
- 2004-12-23 FR FR0413854A patent/FR2880026B1/fr not_active Expired - Fee Related
-
2005
- 2005-12-23 US US11/794,092 patent/US20090131567A1/en not_active Abandoned
- 2005-12-23 JP JP2007547580A patent/JP2008525561A/ja not_active Withdrawn
- 2005-12-23 EP EP05850060A patent/EP1828280A1/fr not_active Withdrawn
- 2005-12-23 CN CNA2005800474261A patent/CN101189280A/zh active Pending
- 2005-12-23 KR KR1020077014380A patent/KR20070117536A/ko not_active Application Discontinuation
- 2005-12-23 WO PCT/FR2005/003269 patent/WO2006070132A1/fr active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998536A (en) * | 1995-09-14 | 1999-12-07 | Rhone-Poulenc Chimie | Aqueous polyorganosiloxane emulsion for the coating of textiles |
FR2780067A1 (fr) * | 1998-06-18 | 1999-12-24 | Rhodia Chimie Sa | Dispersion sillicone aqueuse reticulable en elastomere transparent et materiau d'etancheification et/ou de jointoiement et/ou de revetement comprenant cet elastomere |
US20030109632A1 (en) * | 2001-07-13 | 2003-06-12 | Lin Shaow Burn | High solids emulsions of curable elastomeric polymers |
Also Published As
Publication number | Publication date |
---|---|
KR20070117536A (ko) | 2007-12-12 |
US20090131567A1 (en) | 2009-05-21 |
CN101189280A (zh) | 2008-05-28 |
EP1828280A1 (fr) | 2007-09-05 |
FR2880026B1 (fr) | 2007-03-30 |
JP2008525561A (ja) | 2008-07-17 |
FR2880026A1 (fr) | 2006-06-30 |
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