WO2014023609A1 - Witterungsstabile siliconmischung mit verbesserter grünstandfestigkeit - Google Patents
Witterungsstabile siliconmischung mit verbesserter grünstandfestigkeit Download PDFInfo
- Publication number
- WO2014023609A1 WO2014023609A1 PCT/EP2013/065974 EP2013065974W WO2014023609A1 WO 2014023609 A1 WO2014023609 A1 WO 2014023609A1 EP 2013065974 W EP2013065974 W EP 2013065974W WO 2014023609 A1 WO2014023609 A1 WO 2014023609A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- silicone formulation
- component
- component silicone
- poly
- diorganosiloxane
- Prior art date
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- 150000001247 metal acetylides Chemical class 0.000 description 1
- RJMRIDVWCWSWFR-UHFFFAOYSA-N methyl(tripropoxy)silane Chemical compound CCCO[Si](C)(OCCC)OCCC RJMRIDVWCWSWFR-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- WHIVNJATOVLWBW-UHFFFAOYSA-N n-butan-2-ylidenehydroxylamine Chemical group CCC(C)=NO WHIVNJATOVLWBW-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- 125000001190 organyl group Chemical group 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical class [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- FABOKLHQXVRECE-UHFFFAOYSA-N phenyl(tripropoxy)silane Chemical compound CCCO[Si](OCCC)(OCCC)C1=CC=CC=C1 FABOKLHQXVRECE-UHFFFAOYSA-N 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000333 poly(propyleneimine) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920001289 polyvinyl ether Polymers 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- RLJWTAURUFQFJP-UHFFFAOYSA-N propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)O.CC(C)O.CC(C)O RLJWTAURUFQFJP-UHFFFAOYSA-N 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 1
- VXUYXOFXAQZZMF-UHFFFAOYSA-N tetraisopropyl titanate Substances CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- ZQZCOBSUOFHDEE-UHFFFAOYSA-N tetrapropyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)OCCC ZQZCOBSUOFHDEE-UHFFFAOYSA-N 0.000 description 1
- 239000013008 thixotropic agent Substances 0.000 description 1
- 239000010936 titanium Chemical class 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 235000010487 tragacanth Nutrition 0.000 description 1
- 239000000196 tragacanth Substances 0.000 description 1
- 229940116362 tragacanth Drugs 0.000 description 1
- NECUNQSHSMGPTJ-UHFFFAOYSA-N tributyl [dibutoxy(tributoxysilyloxy)silyl] silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)O[Si](OCCCC)(OCCCC)O[Si](OCCCC)(OCCCC)OCCCC NECUNQSHSMGPTJ-UHFFFAOYSA-N 0.000 description 1
- PZVJFEBNNXRSMY-UHFFFAOYSA-N tributyl tributoxysilyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)O[Si](OCCCC)(OCCCC)OCCCC PZVJFEBNNXRSMY-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- GYTROFMCUJZKNA-UHFFFAOYSA-N triethyl triethoxysilyl silicate Chemical compound CCO[Si](OCC)(OCC)O[Si](OCC)(OCC)OCC GYTROFMCUJZKNA-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- HQYALQRYBUJWDH-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical compound CCC[Si](OC)(OC)OC HQYALQRYBUJWDH-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- XOAJIYVOSJHEQB-UHFFFAOYSA-N trimethyl trimethoxysilyl silicate Chemical compound CO[Si](OC)(OC)O[Si](OC)(OC)OC XOAJIYVOSJHEQB-UHFFFAOYSA-N 0.000 description 1
- RTQOCIIIGBNLNS-UHFFFAOYSA-N tripropyl tripropoxysilyl silicate Chemical compound CCCO[Si](OCCC)(OCCC)O[Si](OCCC)(OCCC)OCCC RTQOCIIIGBNLNS-UHFFFAOYSA-N 0.000 description 1
- AJQZSMPXBWLMPV-UHFFFAOYSA-N tris(dimethylsilyloxy)-propylsilane Chemical compound CCC[Si](O[SiH](C)C)(O[SiH](C)C)O[SiH](C)C AJQZSMPXBWLMPV-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/04—Polysiloxanes
- C09J183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C39/12—Making multilayered or multicoloured articles
- B29C39/123—Making multilayered articles
- B29C39/126—Making multilayered articles by casting between two preformed layers, e.g. deformable layers
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- 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
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- C08K3/02—Elements
- C08K3/04—Carbon
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
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- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
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- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2509/00—Use of inorganic materials not provided for in groups B29K2503/00 - B29K2507/00, as filler
- B29K2509/02—Ceramics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
-
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- the invention relates to a one-component or two-component silicone formulation, to its use and to a method for producing an arrangement in which a space between two substrates is filled with the one- or two-component silicone formulation.
- US-A-4563498 describes 1K formulations containing a certain ratio of reinforcing filler and extender filler and curing to low modulus elastomers. From GB-A-2306491 silicone formulations are known which contain silica as a filler and remain sprayable while possessing improved mechanical properties. WO-A-2012/041952 describes 2K silicone formulations which, after mixing the components, lead to increased viscosity, wherein the formulation may contain fumed hydrophobic silica as filler. US-A-6235832 and US-A-5840794 are directed to 1K silicone formulations which achieve improved green strength. DE-A-102004005221 describes low flow-limit silicone-silica mixtures in which pyrogenic silica is used as filler.
- No silicone formulation is known that combines excellent early strength, measured as reduced slip-down, with good processability, measured as a low yield point, with excellent weatherability.
- the object of the present invention is to provide a silicone formulation, and in particular a moisture-curing silicone formulation, which achieves a high green-state stability at a low yield point and which has particularly weather-stable mechanical properties.
- the present invention accordingly relates to a one- or two-component silicone formulation comprising
- At least one second filler having an average particle size D50 in the range of greater than 0.1 ⁇ to 10 ⁇
- condensation catalyst optionally at least one condensation catalyst and / or f) optionally at least one additive selected from the group consisting of plasticizers, rheology auxiliaries, thickeners, Adhesion promoters, catalysts, accelerators, drying agents, fragrances,
- components in the one-component silicone formulation are contained in one component and in the two-component silicone formulation divided into two components A and B.
- poly refers to substances which formally contain two or more of the functional groups occurring in their name per molecule.
- a polyol is e.g. a compound having two or more hydroxy groups.
- the term "polymer” here comprises, on the one hand, a collective of chemically uniform, but with respect to degree of polymerization, molecular weight and chain length, optionally different macromolecules obtainable by a polyreaction (e.g., polymerization, polyaddition, polycondensation) of one or more monomers.
- the term also encompasses derivatives of such a collective of macromolecules from polyreactions, compounds obtained by reactions, such as additions or substitutions, of functional groups on given macromolecules which may be chemically uniform or chemically nonuniform.
- the term also includes so-called prepolymers, that is, reactive oligomeric pre-adducts whose functional groups are involved in the construction of macromolecules.
- heteropolyether polymers having a polyether-analogous structure which partially or fully heteroatoms, such as e.g. S, instead of the ether oxygen atoms.
- molecular weight is meant the number average molecular weight (M n ).
- room temperature is meant a temperature of 23 ° C.
- weights are based on the entire formulation, ie in the case of a two-component formulation on the combined weight of components A and B.
- the silicone formulation according to the invention is a one- or two-component silicone formulation which is suitable, for example, as an adhesive or sealant.
- the person skilled in the art is very familiar with such one- or two-component formulations.
- a two part silicone formulation consists of a kit with two separate components A and B. The different components of the formulation are divided between these two components, i. the constituents are contained in component A and / or in component B.
- a component is usually contained only in one of the two components. However, if appropriate, it is also possible that one or more constituents are contained in both components A and B.
- the two components A and B of the two-part formulation are mixed together before use in an appropriate ratio.
- the one-component or two-component silicone formulations according to the invention are preferably flowable silicone formulations, this also referring in the case of two-component formulations to the mixture which is obtained after combining the two components. This, of course, refers to the condition in use, i. when applied to a substrate or when a gap is expired. In the subsequent curing then solidification of the system takes place.
- the one- or two-component silicone formulations according to the invention preferably the flowable silicone formulations, are furthermore preferably moisture-curing silicone formulations.
- the silicone formulations may be silicone rubbers or silicone elastomers.
- RTV silicone formulation room temperature yulcanizing, room temperature vulcanizing
- RTV-1 silicone or RTV-1 silicone rubber These are generally moisture-curing formulations.
- RVT-1 and RTV-2 silicone rubbers are widely used as adhesives or sealants.
- the silicone formulation comprises one or more crosslinkable poly (diorganosiloxanes) (component a).
- the crosslinking can be carried out via reactive end groups or by end groups of the poly (diorganosiloxanes) which can be converted into reactive groups. All customary poly (diorganosiloxanes) can be used.
- Such poly (diorganosiloxanes) are e.g. for the production of adhesives or sealants, such as RTV silicone rubber, well known and commercially available.
- the poly (diorganosiloxane) may preferably be a hydroxyl-terminated poly (diorganosiloxane) and / or an alkoxysilyl-terminated poly (diorganosiloxane).
- Hydroxyl-terminated poly (diorganosiloxanes) are known and commercially available.
- the preparation of such poly (diorganosiloxanes) is carried out in a known manner. For example, it is described in US 4,962,152, the disclosure of which is hereby incorporated by reference.
- the poly (diorganosiloxane) is preferably a poly (dialkylsiloxane) wherein the alkyl groups are preferably 1 to 5, more preferably 1 to 3, carbon atoms, and more preferably are methyl groups.
- the viscosity of the poly (diorganosiloxanes) used can vary widely.
- the one or more poly employed (diorganosiloxanes) have, at a temperature of 23 ° C preferably has a viscosity of 10 to 500 ⁇ 00 mPa-s, more preferably from 5 '000-350 ⁇ 00 mPa-s, more preferably from 6' to 000 ⁇ O 'OOO mPa' S and the most for preferred by 10 ⁇ 00 to 80 '000 mPas.
- the viscosity is determined according to the method described in the experimental part.
- the radicals R 1 , R 2 and R 3 independently of one another are linear or branched, monovalent hydrocarbon radicals having 1 to 12 C atoms which optionally contain one or more heteroatoms, and optionally one or more C-C multiple bonds and / or optionally cycloaliphatic and / or or have aromatic moieties or radicals;
- the radicals R 4 independently of one another are hydrogen, hydroxyl groups or alkoxy, acetoxy or ketoxime groups each having 1 to 13 C atoms, which may contain one or more heteroatoms, and optionally one or more CC multiple bonds and / or optionally cycloaliphatic and or have aromatic moieties or radicals, where the radicals R 4 are preferably hydroxyl groups or alkoxy groups;
- the index p is a value of 0, 1 or 2; and the index m is selected so that the poly (diorganosiloxane) at a temperature of 23 ° C has a viscosity of 10 to 500,000 mPa ⁇
- radicals R 1 and R 2 are preferably alkyl radicals having 1 to 5, in particular 1 to 3, carbon atoms, preferably methyl.
- the subscript p is in particular a value of 2.
- the index p is preferably a value of 0 or 1.
- R 4 is preferably Ketoxim phenomenon or particularly preferably alkoxy groups.
- the component A preferably additionally contains water.
- Preferred alkoxy groups are methoxy, ethoxy or isopropoxy groups.
- Preferred ketoxime groups are dialkylketoxime groups whose alkyl groups each have 1 to 6 carbon atoms.
- the two alkyl groups of the Dialkylketoxim fate independently of one another are methyl, ethyl, n-propyl, iso-propyl, n-butyl or iso-butyl groups.
- the one- or two-component silicone formulation further contains at least one first filler having an average particle size less than or equal to 0.1 ⁇ m (constituent b) and at least one second filler having an average particle size in the range from greater than 0.1 ⁇ m to 10 ⁇ m (constituent c ).
- first and second fillers For both the first and second fillers, one or more fillers may be used, which may differ independently in material and / or average particle size.
- the first and second fillers are also contained in the two-component silicone formulation preferably completely in one of the two components. In principle, however, the two fillers may also each be contained in different components, or a part of the first and / or the second filler may be in the respective other component, but this is not preferred.
- the one- or two-component silicone formulation preferably comprises at least one first filler having an average particle size D50 of from 5 to 100 nm, preferably from 10 to 100 nm, more preferably from 10 to 80 nm, in particular from 15 nm to 90 nm and most preferably from 15 nm to 50 nm and at least one second filler having an average particle size D50 of the primary particles of greater than 0.1 ⁇ to 10 ⁇ , eg 0.3 ⁇ to 10 ⁇ , preferably 0.5 ⁇ to 10 ⁇ , more preferably 1 ⁇ to 10 ⁇ , in particular 1 ⁇ to 8 ⁇ and most preferably from 2 ⁇ to 6 ⁇ .
- the mean particle size is the D50 value of the primary particles.
- the D50 value is the value of the particle size distribution where exactly 50% of the particles present are larger and 50% of the particles present are smaller, with the D50 value referring to the number average.
- the particle size distributions can be determined here by means of laser diffraction according to ISO 13320 for particles greater than or equal to ⁇ , or by means of dynamic light scattering according to ISO 22412 for particles smaller than ⁇ , ⁇ .
- Another measuring method for particles smaller ⁇ , ⁇ is the photon correlation spectroscopy according to ISO 13321.
- the weight ratio of fillers having an average particle size D50 of less than or equal to 0.1 ⁇ or for the first filler to fillers having a mean particle size D50 of greater than 0.1 ⁇ to less than or equal to 10 ⁇ or for the second filler preferably in the range of 10: 1 to 1: 2, even more preferably 10: 1 to 1: 1, even more preferably 10: 1 to 2: 1, more preferably in the range of 9: 1 to 3 1, and more preferably in the range of 8: 1 to 4: 1, with ranges of 6.5: 1 to 1: 1 and 6.5: 1 to 2: 1 being also preferred.
- the weight ratio of fillers having an average particle size D50 of less than or equal to 0.1 ⁇ or for the first filler to fillers having a mean particle size D50 of greater than 0.1 ⁇ to less than or equal to 10 ⁇ or for the second filler preferably in the range of 10: 1 to 1: 2, even more preferably 10: 1 to 1: 1, even more preferably 10: 1 to 2: 1, more preferably in the
- first filler one or more, preferably more fillers, in particular two, three or more fillers are used which have an average particle size D50 of the primary particles less than or equal to 0.1 ⁇ , preferably an average particle size D50 of the primary particles of 5 nm to 100 nm and more preferably from 10 nm to 80 nm.
- second filler one or more fillers, preferably one, two or more fillers, are used which have an average particle size D50 of the primary particles of greater than 0.1 ⁇ to 10 ⁇ , eg 0.3 ⁇ to 10 ⁇ , preferably 0.5 ⁇ to 10 ⁇ , more preferably 1 .mu.m to 10 ⁇ , in particular 1 ⁇ to 8 ⁇ have.
- the weight ratio of first filler to second filler is preferably in the range of 10: 1 to 1: 2, more preferably 10: 1 to 1: 1, even more preferably 10: 1 to 2: 1, more preferably in the range of 9: 1 to 3: 1, and more preferably in the range of 8: 1 to 4: 1, with ranges of 6.5: 1 to 1: 1 and 6.5: 1 to 2: 1 being also preferred.
- Suitable materials for the fillers are all fillers commonly used in the art, both for the first filler and for the second filler.
- the first and second fillers may be of the same material, but are usually of different materials.
- suitable fillers are inorganic and organic fillers, for example carbonates, pyrogenic and / or precipitated metal and / or semimetal oxides or hydroxides or mixed oxides thereof, sulfates, carbides, nitrides, silicates, glass, carbon modifications, natural minerals, silicas, silicas or Russian varieties. Specific examples are natural, ground or precipitated calcium carbonates, e.g.
- Chalks which are optionally coated with fatty acids, in particular stearic acid, calcined kaolins, aluminum oxides, aluminum hydroxides, silica, silicic acids, in particular finely divided silicas from pyrolysis processes, carbon black, in particular industrially produced carbon black, silicates, such as aluminum silicates, magnesium Aluminum silicates, zirconium silicates, quartz flour, cristobalite flour, diatomaceous earth, mica, iron oxides, titanium oxides, zirconium oxides, gypsum, annalin, barium sulfate, boron carbide, boron nitride, graphite, carbon fibers, glass or glass bubbles.
- silicates such as aluminum silicates, magnesium Aluminum silicates, zirconium silicates, quartz flour, cristobalite flour, diatomaceous earth, mica, iron oxides, titanium oxides, zirconium oxides, gypsum, annalin, barium
- hydrophobic silicic acids in particular a hydrophobic, fumed silica.
- suitable hydrophobic silicas have a BET surface area in the range of 100 to 300 m 2 / g. The BET surface area is determined, for example, according to EN ISO 18757.
- Suitable hydrophobic silicic acids can be, for example, by hydrophobicizing hydrophilic silicic acids with organosilanes or organosiloxanes, for example octamethylcyclotetrasiloxane, polydimethylsiloxane, dimethyldichlorosilane or Hexamethyldisilazane.
- Suitable hydrophobic silicas are, for example, commercially available from Evonik Degussa GmbH, Germany, from Cabot Corporation, USA or from Wacker Chemie AG, Germany.
- Preferred fillers used are calcium carbonates, in particular natural or precipitated chalks, calcined kaolins, carbon black, silica, silicic acids, especially finely divided silicas, silica, titanium dioxides, aluminum oxides, iron oxides, flame retardant fillers such as hydroxides or hydrates, in particular hydroxides or hydrates of aluminum, preferably aluminum hydroxide.
- a suitable amount of filler is e.g. in the range of 10 to 70 wt .-%, in particular 15 to 60 wt .-%, preferably 30 to 60 wt .-% and in particular 41 to 60 wt .-%, based on the total one- or two-component silicone formulation.
- the formulation further comprises one or more crosslinkers for poly (diorganosiloxanes) (component d), which may be any crosslinker known in the art.
- the crosslinker is e.g. preferably selected from a tetraalkoxysilane, organotrialkoxysilane, diorganodialkoxysilane and / or oligo (organoalkoxysilane), tetrakisketoximosilane, organotrisketoximosilane, diorganobis ketoximosilane and / or oligo (organoketoximosilane), which are optionally functionalized with one or more heteroatoms in the organyl radical, or mixtures thereof.
- the crosslinker for polydiorganosiloxanes is preferably a silane of the formula (II). (R ⁇ Si- (R ') 4 _ q
- the radical R 6 is independently a radical as previously defined for R 3 in the poly (diorganosiloxane) of the formula (I). Of course, R 6 is independent of the meaning of R 3 in the poly (diorganosiloxane).
- the radical R 7 independently of one another represents a radical as has previously been defined as R 4 in the poly (diorganosiloxane) of the formula (I). Of course, R 7 is independent of the meaning of R 4 in the poly (diorganosiloxane).
- the radicals R 7 are alkoxy or Ketoxim fate, as described previously.
- the index q is a value from 0 to 4, with the proviso that if q is a value of 3 or 4, at least q-2 radicals R 6 are each at least one with the hydroxyl, alkoxy, acetoxy or Ketoxim phenomenon of the poly (diorganosiloxane) reactive group.
- q is a value of 0, 1 or 2, preferably a value of 0 or 1.
- suitable silanes of the formula (II) are methyltrimethoxysilane, chloromethyltrimethoxysilane, ethyltrimethoxysilane, propyltrimethoxysilane,
- methyltrimethoxysilane vinyltrimethoxysilane, tetraethoxysilane, methyltris (methyl-ethylketoximo) silane, vinyltris (methyl-ethylketoximo) silane and methyltris (isobutylketoximo) silane.
- Preferred ketoximosilanes are in many cases commercially available, for example from ABCR GmbH & Co, Germany, or from Nitrochemie AG, Germany.
- oligomeric siloxanes are, for example, hexamethoxydisiloxane, hexaethoxydisiloxane, hexa-n-propoxydisiloxane, hexa-n-butoxydisiloxane,
- the proportion of crosslinker for poly (diorganosiloxanes) is preferably from 0.1 to 15% by weight, in particular from 1 to 10% by weight, preferably from 2 to 6% by weight, based on the entire one- or two-component silicone composition.
- the silicone formulation may further contain one or more condensation catalysts (component e).
- condensation catalysts are organyl compounds and / or complexes of metals or semimetals, especially from groups Ia, IIa, IIIa, IVa, IVb or IIb of the Periodic Table of the Elements, such as e.g. Sn compounds, Ti compounds such as titanates, and borates, or mixtures thereof.
- Preferred organotin compounds are dialkyltin compounds, for example selected from dimethyltin di-2-ethylhexanoate, dimethyltin dilaurate, di-n-butyltin diacetate, di-n-butyltin di-2-ethylhexanoate, di-n-butyltin dicaprylate, di-n-butyltin di-2,2-dimethyloctanoate , Di-n-butyltin dilaurate, di-n-butyltin distearate, di-n-butyltin dimaleinate, di-n-butyltin dioleate, di-n-butyltin diacetate, di-n-octyltin di-2-ethylhexanoate, di-n-octyltin di-2 , 2-dimethyloctanoate, di-n-octyltin dimaleinate and di
- Titratates or organotitanates are compounds which have at least one ligand bound to the titanium atom via an oxygen atom.
- ligands bound to the titanium atom via an oxygen-titanium bond those which are selected from the group consisting of alkoxy group, sulfonate group, carboxylate group, dialkyl phosphate group, dialkyl pyrophosphate group and acetylacetonate group are suitable.
- Preferred titanates are, for example, tetrabutyl or tetraisopropyl titanate.
- suitable titanates have at least one polydentate ligand, also called chelate ligand on.
- the multidentate ligand is a bidentate ligand.
- Suitable titanates for example, under the trade names Tyzor ® AA, GBA, GBO, AA-75, AA-65, AA-105, DC, BEAT, Ibay commercially available from DorfKetal, India.
- a mixture of an organotin compound with a titanate is a preferred catalyst.
- the proportion of the condensation catalyst for the crosslinking of poly (diorganosiloxanes) may vary within wide ranges, but is preferably, if used, 0.001 to 10 wt .-%, in particular 0.005 to 4 wt .-%, preferably 0.01 to 3 wt. %, based on the total one- or two-component silicone formulation.
- the one- or two-component silicone formulation may optionally contain one or more additives (component f) selected from plasticizers, rheology aids, thickeners, adhesion promoters, catalysts, accelerators, drying agents, fragrances, pigments, biocides, stabilizers and surfactants, but also processing aids, dyes, inhibitors, Heat stabilizers, antistatic agents, flame retardants, waxes, leveling agents, thixotropic agents and other common additives known in the art include.
- additives selected from plasticizers, rheology aids, thickeners, adhesion promoters, catalysts, accelerators, drying agents, fragrances, pigments, biocides, stabilizers and surfactants, but also processing aids, dyes, inhibitors, Heat stabilizers, antistatic agents, flame retardants, waxes, leveling agents, thixotropic agents and other common additives known in the art include.
- additives component f
- additives selected from plasticizers, rheology aids
- Suitable additives in particular plasticizers and adhesion promoters, which may be contained in the silicone formulation are described, for example, in paragraphs [0051] to [0055] of US-A-2010/063190, the entire disclosure of which is hereby incorporated by reference.
- water-soluble or water-swellable polymers or inorganic thickeners are used as thickeners.
- organic natural thickeners are agar-agar, carrageenan, tragacanth, gum arabic, alginates, pectins, polyoses, guar gum, starch, dextrins, gelatin or casein.
- organic fully or partially synthetic thickeners are carboxymethylcellulose, cellulose ethers, hydroxyethylcellulose, hydroxypropylcellulose, poly (meth) acrylic acid derivatives, poly (meth) acrylates, polyvinyl ethers, polyvinyl alcohol or polyamides.
- Thickeners are used in 2K formulations, in particular in component B, when component A is a poly (diorganosiloxane) in which the radicals R 4 are alkoxy, acetoxy or Ketoxim phenomenon is used, especially when the component B also contains water ,
- the single- or two-component silicone formulation may optionally further ingredients and additives such as end-capped silicone oils, for example having a viscosity of 10 to l 'OOO mPa ⁇ s (determined by the method described in the experimental section method), amino-functionalized oligosiloxanes, polyamines, polyethers, Heteropolyether and / or polyetheramines.
- end-capped silicone oils are not suitable for crosslinking and may be included in the two-part formulation in one or both components. They are suitable, for example, for adjusting the viscosity.
- Such end-capped silicone oils corresponding to compounds of general formula (I) wherein R 1, R 2 and R 3 independently of one another are as defined above, p has a value of 3 and m is selected so that a viscosity of 10 to l 'OOO mPa-s is set.
- the silicone formulation in particular the two-component silicone formulation, may comprise, for example, at least one additive selected from polyamine, polyether, heteropolyether and polyetheramine. Also suitable as an additive are derivatives of the compounds mentioned.
- the additive additionally has at least one functional group of the formula -XH, where X is O, S or NR 5 and R 5 is a hydrogen atom or a linear or branched, monovalent hydrocarbon radical having 1 to 20 C atoms.
- suitable additives preferably have a molecular weight in the range of 100 to 10,000 g / mol.
- the additive is a polyamine or polyetheramine.
- Suitable polyamines are in particular polyalkyleneimine, such as polyethyleneimine or polypropyleneimine, or alkoxylated polyamine, such as ethoxylated and / or propoxylated ethylenediamine.
- Suitable polyetheramines are polyoxyethyleneamine, polyoxypropyleneamine or polyoxyethylene-polyoxypropyleneamine.
- Particularly preferred polyetheramines are polyether monoamines, polyether diamines or polyether triamines.
- the amino groups may be primary, secondary or tertiary amino groups. In particular, the amino groups are primary or secondary amino groups.
- Suitable polyether amines are commercially available from Huntsman Corporation, USA, for example, under the trade name Jeffamine ®. Particularly useful are Jeffamine ® Series M, D, ED, OF, T, SD or ST.
- This additive is suitable e.g. in the case of two-part silicone formulations, the fillers and the additive each being contained in one of the two separate components of the two-part silicone compositions. Combining the two components may result in a viscosity increase of over 100% over the starting viscosity of the higher viscosity component of the two part silicone composition.
- the one- or two-component silicone formulation according to the invention does not contain the following polydiorganosiloxane Al):
- AI a polydiorganosiloxane containing at least one chain end group per molecule comprising a Multialkoxysilyl proceed the following formula
- R 2 is independently selected from the group consisting of a hydrogen atom and monovalent hydrocarbon groups comprising 1 to about 18 carbon atoms
- R 3 is an independently selected alkyl group comprising 1 to about 8 carbon atoms
- Z is independently selected from the group consisting of divalent hydrocarbon groups comprising about 2 to 18 carbon atoms and a combination of divalent hydrocarbon groups and siloxane segments described by the formula wherein R 2 is as defined above and G is an independently selected divalent hydrocarbon group comprising about 2 to 18 carbon atoms
- c is an integer from 1 to about 6, x is 0 or 1, and y is 0 or 1
- R 4 is independently selected of a silicon atom and a siloxane least two silicon atoms and each Z is selected from the group consisting comprising bonded to a silicon atom of R 4 with the remaining valences of the silicon atoms of R 4 to a hydrogen atom, a
- the polydimethylsiloxane A3) can be prepared according to US Pat. No. 6,235,832 Bl as follows:
- Endcapper A a multialkoxysilyl end-capping compound
- the heat was removed and 7.72 g (containing 0.012 moles of hydrogen) of Endcapper A prepared as described above were then added and mixing was continued for 1 hour. The mixture was deaerated at about 50 mm Hg vacuum and allowed to react overnight.
- the one-component or two-component silicone formulation according to the invention does not contain the following compound B1) and / or the following reaction mixture B2):
- those formulations are excluded which comprise a polydiorganosiloxane selected from a polymer A2) and a polydimethylosiloxane A3) as described above, a compound B1) as described above, a reaction mixture B2) described above and contain methyltrimethoxysilane. It is further preferred that of the one- or two-component silicone formulations according to the invention the following formulations, details in
- Methytri methoxysi la n 2.5% 2.5%
- a one-component silicone formulation all ingredients in one component are included as a mixture.
- two separate components A and B are present, in each of which mixtures of a part of the constituents are contained.
- Such kits of two components are well known to those skilled in the art.
- the constituents a), b) and c) are present as mixture in the first component A and component d) and optionally the optional component e) in the second component B.
- the optional additive (s) f) are preferably in Component A, unless otherwise stated above.
- component B e.g. also optionally additives, components f), such as Thickener, the additives described above or the end-capped silicone oils may be included to control the viscosity.
- the storage stability of the two components of the two-component silicone formulation is not adversely affected by the presence of such a constituent, ie that the composition has the properties, in particular the composition Application and curing properties, not or only slightly changed during storage.
- This requires that for chemical curing of the described Two-component silicone composition leading reactions during storage does not occur to any significant extent.
- component A in the case of two-component silicone compositions according to the invention has a viscosity in the range from 500 to 5000 Pa.s, in particular from 500 to 3000 Pa.s.
- Component B typically has a viscosity in the range of from 1 to 1500 Pa.s, especially from 10 to 700 Pa.s. The viscosity is determined by the method described in the experimental part.
- Both the one-component silicone formulation and the component A and component B of the two-component silicone formulation are produced and stored in particular with exclusion of moisture.
- the one-component formulation or the two components A and B are stored separately from each other, that is, they can be stored in a suitable packaging or arrangement over a period of several months to a year and longer without their application properties or in their properties after curing to a relevant extent for their use change.
- the storage stability is determined by measuring the viscosity or the reactivity over time.
- the one- or two-component silicone composition is suitable as an adhesive, sealant, coating or casting compound.
- it is suitable for bonding, sealing or coating substrates.
- Suitable substrates are e.g. selected from the group consisting of concrete, mortar, brick, brick, ceramic, plaster, natural stone such as granite or marble, glass, glass ceramic, metal or metal alloy such as aluminum, steel, non-ferrous metal, galvanized metal, wood, plastic such as PVC, polycarbonate, polymethyl (meth) acrylate, polyester, epoxy resin, paint and varnish.
- Metals or metal alloys may be pretreated, e.g. by anodizing or electroplating.
- the silicone composition according to the invention is suitable as an adhesive or sealant, in particular for applications which have a composition with require a good initial strength and a low slip.
- the silicone formulations are suitable for window or façade construction, for the bonding and sealing of solar panels and for use in vehicle construction.
- the one- or two-component silicone formulation according to the invention is particularly suitable as an elastic adhesive for structural bonding, in particular in the areas of facade, insulating glass, window construction, automotive, solar and construction.
- the invention also relates to a method for filling a space between two substrates to produce an assembly, comprising a) providing a one- or two-component silicone formulation according to the invention, wherein in the case of a two-component silicone formulation, the two components are mixed together, then bl ) the one-part silicone formulation or the mixed two-part silicone formulation is applied to a first substrate and a second substrate is brought into contact with the silicone formulation applied to the first substrate, or b2) a space formed by disposing a first substrate and a second substrate one-component silicone formulation or the mixed two-component silicone formulation is filled. Subsequently, c) the applied or filled silicone formulation is cured.
- the mixture When using a one-component silicone formulation, the mixture is simply squeezed or removed from the storage container and then applied or filled. The curing usually takes place due to the moisture in the environment. Curing is preferably at ambient temperature, i. heating is not required.
- the components A and B When applying or backfilling the two-component silicone formulation, the components A and B, for example by stirring, kneading, rolling or the like, but in particular via a static mixer, mixed together.
- the hydroxyl groups or the hydrolyzable groups of the poly (diorganosiloxane) come into contact with the hydrolyzable or optionally with already hydrolyzed groups of the crosslinker, whereby it comes to curing of the composition by condensation reactions, optionally by the optional condensation catalyst is supported.
- the contact of the silicone formulation with water, in particular in the form of atmospheric moisture, during application or backfilling can also promote cross-linking, since more reactive silanol groups are formed by reaction of the water with hydrolyzable groups.
- the curing of the two-component silicone composition is preferably carried out at ambient temperature, ie heating is not required.
- the mixture of component A and B is preferably such that the weight ratio of component A to component B is> 1: 1, in particular 3: 1 to 15: 1 and particularly preferably from 10: 1 to 14: 1.
- the one-component silicone formulation or, in the case of the two-component silicone formulation, the mixture of the two components are preferably flowable before or when applied to the first substrate or when filling the space formed between the two substrates, and particularly preferably have a viscosity in the range from 500 to 5,000 Pas on.
- the viscosity can be determined by the method mentioned in the experimental part.
- the one-component silicone formulation or, in the case of the two-component silicone formulation, the mixture of the two components furthermore preferably have a yield limit of less than 150 Pa, before or when applied to the first substrate or before or during filling of the space formed between the two substrates less than 100 Pa, and more preferably less than 80 Pa. The corresponding test method is described below in the experimental section.
- a moisture-curing RTV silicone formulations 1K or 2K, with 2K being preferred.
- the silicone formulations according to the invention have after application or filling a high degree of green state stability and are extremely weather-resistant in the cured state.
- the slip-down as a measure of green strength is preferably in the range of 0 to 2 mm.
- the drop in tensile strength after artificial weathering as a measure of weathering stability is preferably less than 25% for the cured formulation.
- the invention also relates to an assembly comprising a cured silicone formulation of the one-part silicone formulation or the blend of the two components of the two-part silicone formulation between two substrates. This arrangement is in particular obtainable by the method according to the invention.
- the silicone formulations listed in Table 1 are 2-component formulations. All amounts are based on weight percent of the total formulation (component A + B mixed in the ratio 13: 1 weight / weight).
- component A the specified amount of OH-terminated poly (diorganosiloxane), Vi of the specified amount end disabilityver ales poly (diorganosiloxane) and the stated amount of fillers were mixed in a dissolver at room temperature under inert atmosphere and stirred until a macroscopically homogeneous paste has been.
- component B Vi For the preparation of component B Vi were specified Amount end tendencyver units units poly (diorganosiloxane), the specified amount of functional trialkoxysilane and the specified amount of Sn compound in a dissolver at room temperature under inert atmosphere and stirred together until a macroscopically homogeneous paste was obtained. A mixture only with fine fillers was not carried out because such mixtures are difficult to process.
- the viscosity was determined on the basis of DIN 53018.
- the viscosity was measured by means of a cone-plate viscometer Physica MCRIOI from Anton Paar, Austria, cone type CP 25-1, temperature 23 ° C.
- the reported viscosity values for poly (diorganosiloxanes) and end-capped silicone oils are based on a shear rate of 0.5 s -1 .
- the values given for component A, component B and for the mixture of components A and B were determined at a shear rate of 0.89 s "1 determined.
- the slipdown was measured at 23 ° C / 50% RH
- beads measuring 70 ⁇ 12 ⁇ 5 mm (L ⁇ W ⁇ H) were applied to a bar made of anodized aluminum.
- the aluminum bar was placed vertically on a glass plate made of float glass and pressed down to a distance of 3 mm.
- the slip-down was determined after 24 h as slipping of the aluminum bar from the initial position.
- Formula ingredients are% w / w and based on total formulation (A + B mixed), f.h. : falls down; n.d. : not determined * viscosity 20000 mPas
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Abstract
Description
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Priority Applications (6)
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CN201380040066.7A CN104508029B (zh) | 2012-08-10 | 2013-07-30 | 具有改进的生坯强度的耐候性有机硅混合物 |
US14/419,451 US20150210909A1 (en) | 2012-08-10 | 2013-07-30 | Weather-resistant silicone mixture having improved green strength |
BR112015001337-6A BR112015001337B1 (pt) | 2012-08-10 | 2013-07-30 | formulação de silicone de um ou dois componentes, uso da mesma, método para preencher um espaço entre dois substratos, e, arranjo compreendendo a dita formulação |
JP2015525821A JP2015525821A (ja) | 2012-08-10 | 2013-07-30 | 改善された生強度を有する耐候性シリコーン混合物 |
EP13745624.0A EP2882802B1 (de) | 2012-08-10 | 2013-07-30 | Witterungsstabile siliconmischung mit verbesserter grünstandfestigkeit |
ES13745624.0T ES2636788T3 (es) | 2012-08-10 | 2013-07-30 | Mezcla de silicona estable a la intemperie con estabilidad verde mejorada |
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US11434372B2 (en) * | 2015-07-07 | 2022-09-06 | Henkel Ag & Co. Kgaa | High temperature resistant, two component, low viscosity silicone composition |
Families Citing this family (6)
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TWI738743B (zh) | 2016-03-23 | 2021-09-11 | 美商道康寧公司 | 金屬-聚有機矽氧烷 |
GB201604971D0 (en) * | 2016-03-23 | 2016-05-04 | Dow Corning | Moisture curable compositions |
WO2020092483A1 (en) * | 2018-10-31 | 2020-05-07 | Dow Silicones Corporation | Adhesive |
CN111019591B (zh) * | 2019-12-07 | 2022-05-24 | 杭州之江新材料有限公司 | 一种双组份有机硅密封胶及在low-e中空玻璃中的应用 |
CA3166152A1 (en) * | 2020-02-03 | 2021-08-12 | Michael Schlumpf | Fast curing two-component silicone composition having adjustable pot life |
CN113459550A (zh) * | 2021-07-20 | 2021-10-01 | 上海昂显机械设备有限公司 | 一种降噪轮胎及吸音层贴敷方法和系统 |
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- 2013-07-30 JP JP2015525821A patent/JP2015525821A/ja active Pending
- 2013-07-30 WO PCT/EP2013/065974 patent/WO2014023609A1/de active Application Filing
- 2013-07-30 BR BR112015001337-6A patent/BR112015001337B1/pt active IP Right Grant
- 2013-07-30 ES ES13745624.0T patent/ES2636788T3/es active Active
- 2013-07-30 US US14/419,451 patent/US20150210909A1/en not_active Abandoned
- 2013-07-30 CN CN201380040066.7A patent/CN104508029B/zh active Active
- 2013-07-30 EP EP13745624.0A patent/EP2882802B1/de active Active
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US5446185A (en) | 1994-11-14 | 1995-08-29 | Dow Corning Corporation | Alkylhydrido siloxanes |
GB2306491A (en) | 1995-11-01 | 1997-05-07 | Gen Electric | Low viscosity alkoxypolysiloxane compositions |
US5840794A (en) | 1997-01-10 | 1998-11-24 | Dow Corning Corporation | Alkoxy functional sealants with rapid development of green strength |
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US11434372B2 (en) * | 2015-07-07 | 2022-09-06 | Henkel Ag & Co. Kgaa | High temperature resistant, two component, low viscosity silicone composition |
Also Published As
Publication number | Publication date |
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CN104508029A (zh) | 2015-04-08 |
EP2882802B1 (de) | 2017-06-28 |
BR112015001337B1 (pt) | 2021-02-23 |
JP2015525821A (ja) | 2015-09-07 |
BR112015001337A2 (pt) | 2017-07-04 |
ES2636788T3 (es) | 2017-10-09 |
EP2882802A1 (de) | 2015-06-17 |
CN104508029B (zh) | 2019-06-25 |
US20150210909A1 (en) | 2015-07-30 |
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