EP2367615A1 - Wässrige siloxanformulierungen für die herstellung von hochelastischen polyurethankaltweichschäumen - Google Patents
Wässrige siloxanformulierungen für die herstellung von hochelastischen polyurethankaltweichschäumenInfo
- Publication number
- EP2367615A1 EP2367615A1 EP09756493A EP09756493A EP2367615A1 EP 2367615 A1 EP2367615 A1 EP 2367615A1 EP 09756493 A EP09756493 A EP 09756493A EP 09756493 A EP09756493 A EP 09756493A EP 2367615 A1 EP2367615 A1 EP 2367615A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- foam
- cold
- particulate
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000006260 foam Substances 0.000 title claims abstract description 145
- 239000000203 mixture Substances 0.000 title claims abstract description 121
- 238000009472 formulation Methods 0.000 title claims abstract description 69
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 34
- 239000004814 polyurethane Substances 0.000 title claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000012190 activator Substances 0.000 claims abstract description 26
- -1 polysiloxane Polymers 0.000 claims description 126
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000000839 emulsion Substances 0.000 claims description 46
- 229920001296 polysiloxane Polymers 0.000 claims description 45
- 239000003995 emulsifying agent Substances 0.000 claims description 37
- 229920005862 polyol Polymers 0.000 claims description 37
- 150000003077 polyols Chemical class 0.000 claims description 37
- 239000002245 particle Substances 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000012948 isocyanate Substances 0.000 claims description 23
- 239000007957 coemulsifier Substances 0.000 claims description 22
- 150000002513 isocyanates Chemical class 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 22
- 238000002360 preparation method Methods 0.000 claims description 18
- 150000003254 radicals Chemical class 0.000 claims description 17
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 15
- 239000011496 polyurethane foam Substances 0.000 claims description 15
- 239000007787 solid Substances 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000003139 biocide Substances 0.000 claims description 8
- 239000003960 organic solvent Substances 0.000 claims description 8
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 7
- 239000013543 active substance Substances 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000008384 inner phase Substances 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000012963 UV stabilizer Substances 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 239000008385 outer phase Substances 0.000 claims description 5
- 235000021317 phosphate Nutrition 0.000 claims description 5
- 239000002562 thickening agent Substances 0.000 claims description 5
- 125000000129 anionic group Chemical group 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 125000005842 heteroatom Chemical group 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000011164 primary particle Substances 0.000 claims description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 4
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 4
- IREAODMQYCOAGP-UHFFFAOYSA-N 3-(hexadecanoylamino)propyl-trimethylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC(=O)NCCC[N+](C)(C)C IREAODMQYCOAGP-UHFFFAOYSA-N 0.000 claims description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 3
- 230000002209 hydrophobic effect Effects 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000011493 spray foam Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 230000003115 biocidal effect Effects 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- ZCPCLAPUXMZUCD-UHFFFAOYSA-M dihexadecyl(dimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCC ZCPCLAPUXMZUCD-UHFFFAOYSA-M 0.000 claims description 2
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 claims description 2
- SMVRDGHCVNAOIN-UHFFFAOYSA-L disodium;1-dodecoxydodecane;sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O.CCCCCCCCCCCCOCCCCCCCCCCCC SMVRDGHCVNAOIN-UHFFFAOYSA-L 0.000 claims description 2
- 150000004679 hydroxides Chemical class 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000008204 material by function Substances 0.000 claims description 2
- 150000001247 metal acetylides Chemical class 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 claims description 2
- 150000004767 nitrides Chemical class 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 229920002050 silicone resin Polymers 0.000 claims description 2
- 235000019333 sodium laurylsulphate Nutrition 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 238000010008 shearing Methods 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 description 14
- 238000005187 foaming Methods 0.000 description 12
- 125000000524 functional group Chemical group 0.000 description 12
- 238000009826 distribution Methods 0.000 description 11
- 230000004048 modification Effects 0.000 description 11
- 238000012986 modification Methods 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 10
- 239000004604 Blowing Agent Substances 0.000 description 10
- 229920002125 Sokalan® Polymers 0.000 description 10
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 10
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 10
- 230000006641 stabilisation Effects 0.000 description 10
- 238000011105 stabilization Methods 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 9
- 150000002148 esters Chemical class 0.000 description 9
- 125000001931 aliphatic group Chemical group 0.000 description 8
- 229960001631 carbomer Drugs 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 150000004756 silanes Chemical class 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 238000005191 phase separation Methods 0.000 description 5
- 229920000570 polyether Polymers 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- 239000003380 propellant Substances 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000004971 Cross linker Substances 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 238000002296 dynamic light scattering Methods 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000013518 molded foam Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 125000002252 acyl group Chemical group 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 125000005037 alkyl phenyl group Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000004581 coalescence Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920005903 polyol mixture Polymers 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 229920000388 Polyphosphate Polymers 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
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- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- DMSMPAJRVJJAGA-UHFFFAOYSA-N benzo[d]isothiazol-3-one Chemical compound C1=CC=C2C(=O)NSC2=C1 DMSMPAJRVJJAGA-UHFFFAOYSA-N 0.000 description 2
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- 150000001805 chlorine compounds Chemical class 0.000 description 2
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- 125000004093 cyano group Chemical group *C#N 0.000 description 2
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- 125000001475 halogen functional group Chemical group 0.000 description 2
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- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
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- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
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- NVSXSBBVEDNGPY-UHFFFAOYSA-N 1,1,1,2,2-pentafluorobutane Chemical compound CCC(F)(F)C(F)(F)F NVSXSBBVEDNGPY-UHFFFAOYSA-N 0.000 description 1
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
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- MPFCGKYBRQVYAL-UHFFFAOYSA-N 1,6-dihydroxyhexane-2,5-dione Chemical compound OCC(=O)CCC(=O)CO MPFCGKYBRQVYAL-UHFFFAOYSA-N 0.000 description 1
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- LBWCDROIOCXGGV-UHFFFAOYSA-N 2-(1,3,5-triazin-2-yl)ethanol Chemical compound OCCC1=NC=NC=N1 LBWCDROIOCXGGV-UHFFFAOYSA-N 0.000 description 1
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- 239000011780 sodium chloride Substances 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
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000001302 tertiary amino group Chemical group 0.000 description 1
- 150000005621 tetraalkylammonium salts Chemical class 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 239000005051 trimethylchlorosilane Substances 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical compound OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- 229960004295 valine Drugs 0.000 description 1
- 239000004474 valine Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- 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
- C08J2483/00—Characterised by the use 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; Derivatives of such polymers
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/10—Silicon-containing compounds
Definitions
- Aqueous siloxane formulations for the production of highly elastic polyurethane foams are provided.
- the present invention relates to aqueous cold-cure flexible foam siloxane formulations for use in the production of highly elastic polyurethane flexible foams or for use in the preparation of cold foam activator solutions for highly elastic polyurethane cold foams and their use.
- the present invention further provides cold low foam activator solutions based on the aqueous cold flexible foam siloxane formulations and highly elastic polyurethane cold foams using the aqueous cold flexible foam siloxane formulations and / or cold soft foam activator solutions.
- Cold-dry foam siloxane formulations in the context of this application include aqueous compositions
- Siloxanes which are suitable for the production of cold foams to understand. Accordingly be under
- Polyurethane cold foams are also referred to as “cold foams” or “high-resilience foams (HR-foams)”.
- Car seats They are prepared by reacting isocyanates with polyols.
- Polyurethane, crosslinking agents and polyisocyanates and customary auxiliaries, such as catalysts, stabilizers, blowing agents and the like, are usually used to prepare the polyurethane flexible foams. All these processes have in common that the system has a high intrinsic stability due to the early crosslinking of the polyurethane foam. Therefore, in many cases, the use of a polysiloxane-polyether copolymer, as an anti-reversion stabilizer additive, may or may not be dispensed with.
- siloxanes described herein as stabilizers can perform various tasks in the foam, such as e.g. also cell regulation or cell opening, stabilization, marginal zone regulation, prevention of collapse phenomena, support of the flowability of the foaming mixture etc.
- the siloxanes used are usually not used as pure substances, but incorporated as a component in a corresponding formulation in order to improve the meterability or incorporation into the reaction matrix.
- various organic substances are used as a kind of solvent for such formulations.
- Laid-open specification DE 2 356 443 describes a large number of organic solvents for the preparation of aralkyl-modified formulations containing siloxane oils. Often these are surface-active substances.
- WO 2008/071497 describes water-based formulations of water-insoluble siloxanes for producing polyurethane cold foams, the formulations containing conventional molecular surfactants.
- organic solvents bring a number of disadvantages, such as a problematic toxicological classification, too high flammability of the formulation and / or unwanted emission of organic solvent residues of the resulting foam with it. Further, the organic solvents may adversely affect the properties of the polyurethane foamed soft foam such as pore structure, elasticity and the like.
- the use of water over organic solvents has the advantage that water is nearly unlimited available, non-toxic and non-flammable. Furthermore, water can be easily cleaned and disposed of without any technical effort. Another advantage is that the safety regulations for the storage of water are negligible.
- the cold mild foam siloxane formulation can be made using other auxiliaries and additives, with the exception of the polyol and isocyanate components used to make Cold-cure polyurethane foams are required to be converted into a cold foam activator solutions.
- the cold flexible foam siloxane formulation should have the highest possible proportion of water and water-insoluble polysiloxane compound.
- the sum of water-insoluble polysiloxane compound and water should be greater than 50 wt .-% based on the total composition.
- ⁇ -active substances can be used.
- Advantages compared to the classic emulsion are the expected lower emissions of volatile organic components, corresponding to VOC (fogging) from the finished foam, which may result from blending components or surface-active substances.
- solid state stabilized emulsions are known for their good stability to droplet coalescence, only creaming or sedimentation of the inner phase droplets depending on the droplet size, density difference between the outer and inner phases and the viscosity of the outer phase can be observed.
- a stirred-up / sedimented solid-state-stabilized emulsion can be homogenized again simply by stirring; therefore, a good one
- siloxanes in the form of a solid-state-stabilized emulsion are just as effective in foaming as siloxanes in a conventional one
- Emulsion or a solution Surprisingly, in spite of the occupation of the interfaces from the solid-state-stabilized emulsion, the siloxane can be released already at the beginning of foaming. Since the interfaces between inner and outer phase in solid-stabilized emulsions with Particles are "occupied", their stability is significantly higher than when using surface-active molecules as emulsifiers. For this reason, surprisingly, the addition of emulsifiers can be largely or completely omitted.
- the siloxanes in the inner phase must lower the surface tension of the overall system in order to ensure good nucleation, so that a corresponding fine-celled and regular foam can be formed.
- Solid state stabilized aqueous emulsions were described in 1907 by S.U. Pickering ("Emulsions", Spencer Umfreville Pickering, Journal of the Chemical Society, Transactions
- emulsion stabilization are nanoscale, predominantly inorganic particles, eg.
- silica particles which are commercially available as "LUDOX®” in the form of aqueous sols or dispersions from Grace Davison
- the mechanism of the stabilizing effect in the literature is the agglomeration of the particles and the agglomeration of the agglomerates the water / oil interface
- the mechanism of emulsion stabilization by small silica (LUDOX®) particles Helen Hassander, Beatrice Johansson, Bertil Törnell, Colloids and Surfaces, 40, (1989), 93-105).
- the inventive method also has the advantage that in the production of siloxane emulsions using particulate emulsifiers no or only small amounts of conventional emulsifiers are needed, which could interfere later in applications.
- particulate preferably in at least one dimension nanoscale particles and / or nanostructured particles or nanoobjects which are particularly preferably selected from the group of semimetal oxides, metal oxides (for example Al, Si, Ti, Fe, Cu, Zr, B etc .), Mixed oxides, nitrides, carbides, hydroxides, carbonates, silicates, silicone resins, silicones and / or silica, and / or organic polymers wherein said classes of particles may all be optionally hydrophobed or partially hydrophobized, for.
- semimetal oxides for example Al, Si, Ti, Fe, Cu, Zr, B etc .
- Mixed oxides for example Al, Si, Ti, Fe, Cu, Zr, B etc .
- nitrides for example Al, Si, Ti, Fe, Cu, Zr, B etc .
- carbides for example Al, Si, Ti, Fe, Cu, Zr, B etc .
- silicates for example Al, Si, Ti, Fe, Cu, Zr, B etc
- nano-objects are understood as meaning materials which are nanoscale in one, two or three outer dimensions, preferably at least one dimension having a size of 1 to 100 nm, such as, for example, As nanoplates, nanorods and nanoparticles.
- Nanostructured particles in the present invention are materials or particles which have an internal nanoscale structure. Typical representatives are z. B. aggregates and agglomerates of nano-objects.
- Particularly preferred particulate emulsifiers have an average primary particle size in at least one dimension of less than 1000 nm, preferably less than 500 nm and particularly preferably from 1 to 100 nm.
- the primary particle size can be determined in a manner known to the person skilled in the art, for example by means of SEM, TEM, DLS or static light scattering etc.
- the primary particle size is determined by the optical evaluation of a
- Coemulsifiers which can be used in the process according to the invention are, in particular, those compounds which interact with the solid-state emulsifier particles, preferably those which are absorbed by solid-state emulsifier particles to be hydrophobicized.
- Coemulsifiers which can be used in the process according to the invention generally include cationic, nonionic or anionic, but also amphoteric surface-active substances, which are applied to the solid-state emulsifier particles.
- VARISOFT 470P Commercially available under the trade names VARISOFT 470P, VARISOFT TC-90, VARISOFT 110, VARISOFT PATC, AROSURF TA-100, ADOGEN 442-100P, ADOGEN 432, ADOGEN 470, ADOGEN 471, ADOGEN 464, VARIQUAT K 300, VARIQUAT B 343, VARIQUAT 80 ME, REWOQUAT 3690, REWOQUAT WE 15, REWOQUAT WE 18, REWOQUAT WE 28 or REWOQUAT CR 3099 of Evonik Goldschmidt GmbH (the above-mentioned in capital letters written products are registered trademarks of Evonik Goldschmidt GmbH).
- Cetyltrimethylammonium bromide or chloride (VARISOFT 300) or VARISOFT PATC are preferably used as cationic coemulsifiers in the process according to the invention.
- coemulsifiers which may be used are, in particular, compounds selected from the group of anionic surfactants such as sodium lauryl sulfate, sodium lauryl ether sulfate, sulfosuccinates such as REWOPOL SB DO 75, alkyl ether phosphates, fatty acid anions, N-acylamino acids, olefinsulfonates or alkylbenzenesulfonates.
- amphoteric or nonionic surfactants or surfactants can be used for this purpose. These compounds can exert a hydrophobicizing effect, but are alone - without particulate emulsifier - unable to develop the effect of the invention. However, the coemulsifiers may favor or optimize the action of the particulate emulsifier.
- the modifi ⁇ z istsstoff having a functional group is at least capable of undergoing hydrogen bonds with the surface to be modified a covalent, ionic or coordinative bond or water.
- These functional groups may be, for example, carboxylic acid groups, acid chloride groups, ester groups, nitrile and isonitrile groups, OH groups, SH groups, epoxide groups, anhydride groups, acid amide groups, primary, secondary and tertiary amino groups, Si-OH groups, hydrolyzable radicals of Silanes (Si-OR) or CH-acid groups such.
- ⁇ -dicarbonyl compounds for example acetylacetone, 2,4-hexanedione, 3,5-heptanedione, diacetyl or acetoacetic acid.
- modifying agent such as e.g. In betaines, amino acids, for example glycine, alanine, ß-alanine, valine, leucine, isoleucine, arginine and aminocaproic acid, as well as in EDTA.
- Carboxylic acids for surface modification are, for example, fatty acids, formic acid, acetic acid, propionic acid, butyric acid, pentanoic acids, hexanoic acid, acrylic acid, adipic acid, succinic acid, fumaric acid, itaconic acid, stearic acid, hydroxystearic acid, ricinoleic acid and polyethercarboxylic acids and their corresponding anhydrides, chlorides, esters and amides, for example Methoxyacetic acid, 3, 6-dioxaheptanoic acid and 3, 6, 9-Trioxadecanklad and the corresponding acid chlorides, esters and amides.
- fatty acids formic acid, acetic acid, propionic acid, butyric acid, pentanoic acids, hexanoic acid, acrylic acid, adipic acid, succinic acid, fumaric acid, itaconic acid, stearic acid, hydroxystearic acid, ricinole
- the modifying agent may additionally have further radicals which modify the properties of the particle.
- radicals, or parts thereof may for example be hydrophobic or hydrophilic or carry one or more functional groups, in order to render the silicone particles compatible with the surrounding medium, to render them inert or to render them reactive, which also binds to the surrounding Includes matrix.
- These functional groups may, for example, be selected from the group of the alkyl, aryl, alkaryl, aralkyl, fluoroalkyl, hydroxy, alkoxy, polyalkoxy, epoxy, acryloyloxy, methacryloxy, acrylate, methacrylate, Carboxy-amino, sulfonyl, sulfate, phosphate, polyphosphate, phosphonate, amide, sulfide, hydrogen sulfide, haloalkyl, haloaryl and acyl groups.
- the emulsions according to the invention are preferably prepared largely free of further co-emulsifiers. If, in addition, coemulsifiers are used, 0 to 10% by weight, based on the particulate emulsifier, are preferred 0.05 to 8 wt .-% and particularly preferably 0.2 to 5 wt .-% used.
- compositions which are free of non-particulate emulsifiers are compositions which are free of non-particulate emulsifiers. If, for reasons of application technology, it is not possible to dispense with a nonparticulate emulsifier, it is contained in contents of> 0 to less than 10% by weight.
- Oxidic particles e.g. pyrogenic, precipitated or Stöber process silica particles, but this does not exclude the use of other particulate materials.
- silanes which additionally have at least one nonhydrolyzable radical.
- silanes are represented by the general formula (IV)
- R identical or different nonhydrolyzable groups
- X identical or different hydrolyzable groups or hydroxyl groups
- N 1, 2, 3 or 4.
- Groups X for example H, halogen (F, Cl, Br, I), alkoxy
- nonhydrolyzable radicals R may be both radicals with or without functional groups.
- R in the general formula (IV) without functional groups may be, for example, an alkyl, alkenyl, alkynyl, aryl, alkylaryl or aralkyl radical.
- radicals R and X may optionally have one or more customary substituents, such as, for example, halogen or alkoxy.
- the functional group can be selected, for example, from the range of epoxide
- These functional groups may be bonded to the silicon atom via alkylene, alkenylene or arylene bridging groups which may be interrupted by oxygen or NH groups.
- These divalent bridging groups and optional substituents, as with alkylamino groups can be derived from the corresponding monovalent alkyl, alkenyl, aryl, aralkyl and alkaryl radicals.
- the radical R may also have more than one functional group.
- Nonhydrolyzable radicals R according to the general formula
- (IV) with functional groups can be selected from the range of glycidyl or glycidyloxyalkylene radicals, such as, for example, ⁇ -glycidyloxyethyl, ⁇ -glycidyloxypropyl, ⁇ -glycidyloxypropyl, ⁇ -glycidyloxypentyl, ⁇ -glycidyloxyhexyl or 2- (3,4-epoxycyclohexyl ) ethyl, the methacryloxyalkylene and acryloxyalkylene radicals, such as, for example, methacryloxymethyl, acryloxymethyl, methacryloxyethyl, acryloxyethyl, methacryloxypropyl, acryloxypropyl, methacryloxybutyl or acryloxybutyl, and the 3-isocyanatopropyl radical.
- glycidyl or glycidyloxyalkylene radicals such as, for example, ⁇ -
- silanes with at least partially fluorinated alkyl radicals is also possible, for example 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8-tridecafluorooctyl or 3,3,3- Trifluoropropyl groups.
- oxidic particles such. B., colloidal silica, as z. B. Grace Davison as LUDOX® is available to perform a surface modification with siloxanes and organopolysiloxanes. This can be done by using trimethylsiloxy-endcapped dimethylpolysiloxanes, cyclic dimethylpolysiloxanes, .alpha.,.
- a suitable catalyst for example ammonium carbamate or alkylhydroxides
- the surface modification with polysiloxanes or organopolysiloxanes can also be covalent or adsorptive, examples of such substance classes are organopolysiloxanes which are end- and / or comb-modified with polyether or polyester chains. Likewise, monofunctional polysiloxanes for surface modification of the
- Particles are used, for example, with trimethylsilyl end-capped ⁇ -halo, ⁇ -alkoxy and ⁇ -Hydroxydimethylpolysiloxane.
- Such a surface modification can be effected by the use of trimethylsiloxy-endcapped dimethylpolysiloxanes, cyclic dimethylpolysiloxanes, .alpha.,. Omega.-dihydroxypolydimethylsiloxanes, cyclic methylphenylsiloxanes, methylphenylpolysiloxanes end-capped with trimethylsiloxy groups and / or trimethylsiloxy- Groups of end-capped dimethylsiloxane-methylphenylsiloxane copolymers, optionally in the presence of a suitable cata- ⁇ sators (for example A ⁇ unoniumcarbamat or alkali metal hydroxides) and possibly also elevated temperatures.
- a suitable cata- ⁇ sators for example A ⁇ unoniumcarbamat or alkali metal hydroxides
- organopolysiloxanes can be covalent or adsorptive, examples of such substance classes are organopolysiloxanes end- and / or comb-modified with polyether or polyester chains.
- monofunctional polysiloxanes can be used for surface modification of the particles, for example with ⁇ -halo, ⁇ -alkoxy and ⁇ -hydroxydimethylpolysiloxanes end-capped with trimethylsilyl groups.
- an emulsion is produced whose average droplet size is adjusted from 0.01 to 1000 ⁇ m, preferably 0.1 to 500 ⁇ m and particularly preferably from 1 to 100 ⁇ m.
- the droplet size can be estimated with the aid of light microscopy (up to about 1 ⁇ m as the lower limit) by measuring the smallest and largest droplet diameter in the field of view, it should be at least 10x10 drops in the field of view. Furthermore, it is possible to determine the droplet size distributions by the methods of static and dynamic light scattering familiar to the person skilled in the art.
- pillate emulsion is understood to mean the novel aqueous siloxane composition stabilized using particulate additives or particulate emulsifiers.
- Another object of the invention is a process for the preparation of a particulate emulsion, with droplet sizes in the preferred range, in which, in the simplest case, the particulate emulsifier is processed with the application of shear forces together with the liquid components to form a composition according to the invention.
- Another object of the invention is a method in which coemulsifiers are used in addition to particles. It may be advantageous to add the coemulsifier or the coemulsifiers only after a preemulsion has been prepared in a substep al).
- This pre-emulsion can be obtained by using a mixture of siloxanes of the general formula (I), water and emulsifier, preferably particulate emulsifier and particularly preferably nanoparticulate SiO 2 and very particularly preferably LUDOX® SM-AS from Grace Davison, with application of strong Shear forces, as z. B. is possible with a rotor-rotor system is emulsified.
- a suitable rotor-rotor system is z. B. offered as a co-twister homogenizer from Symex.
- This preemulsion is added in a further step a2) or the coemulsifiers.
- the co-emulsifiers can be used as pure substance or in the form of a solution, for. B. an aqueous solution can be added.
- the coemulsifier By adding the coemulsifier to the preemulsion, the droplet size of the droplets contained in the preemulsion can be quasi frozen.
- the emulsifier particles are partially hydrophobized and occupy the interface between the inner and outer phases of the pre-emulsion.
- the weight ratio of particulate emulsifier to coemulsifiers is up to 200 to 1, preferably up to 50 to 1.
- emulsifier and coemulsifier can roughly preset the droplet size distribution of the emulsion.
- Anionic surface-active compounds may be aliphatic of salts of carboxylic acids, alkyl benzene sulfonates, Alkylnaphthylsulfonaten, alkyl sulfonates, dialkyl sulfosuccinates, ⁇ -olefinsulfonates, salts example ⁇ example selected ⁇ - sulfonated aliphatic carboxylic acids, N-acyl-N-methyltaurates, Alkysulfaten, sulfated oils, ethoxylated poly- Alkyl ether sulfates, polyethoxylated alkyl phenyl ether sulfates, alkyl phosphates, polyethoxylated alkyl ether sulfates, polyethoxylated alkylphenyl ether sulfates and condensates of formaldehyde and naphthyl sulfonates.
- Amphoteric surface-active compounds can be selected, for example, from N, N-dimethyl-N-alkyl-N-carboxymethylammonium betaines, N, N-dialkylaminoalkylenecarboxylates, N, N, N-trialkyl-N-sulphoalkyleneammammonium betaines, N, N-dialkyl-N, N-bispolyoxyethylene ammonium sulfate ester betaines, 2-alkyl-1-carboxymethyl-1-hydroxyethyl imidazolinium betaines.
- Nonionic surface-active compounds can be selected, for example, from polyethoxylated alkyl ethers, polyethoxylated alkenyl ethers, polyethoxylated alkylphenyl ethers, polyethoxylated polystyrene phenyl ethers, polyoxyethylene-polyoxypropylene glycols, polyoxyethylene-polyoxypropylene alkyl ethers, partial esters of aliphatic carboxylic acids with polyfunctional alcohols, for example sorbitan esters, aliphatic glycerol esters, aliphatic polyglycerol esters, aliphatic decaglycerol esters, (mixed) aliphatic esters of ethylene glycol / pentaerythritol, (mixed) aliphatic esters of propylene glycol / pentaerythritol, polyethoxylated aliphatic partial esters of polyfunctional alcohols, for example polyeth
- Such dispersing additives can be selected, for example, from the product portfolio of Evonik Goldschmidt GmbH, which are available there, for example, under the names "Tego® Dispers” or "Tegopren®”.
- the content of such surface-active substances may be between 0.1 and 50% by weight, preferably between 1 and 30% by weight, based on the dispersion.
- the emulsions can be aftertreated in a subsequent step a3), if appropriate by means of slit, jet or slot homogenizers, or else, for example, a so-called Microfluidizer from Microfluidics.
- the particulate emulsion is aftertreated by means of the microfluidizer.
- the particulate emulsion is dispersed in a homogenizer with interaction chamber.
- the dispersion takes place in at least one interaction chamber containing microchannels, preferably with a capillary thickness (inner diameter) of 50 to 500 microns, and preferably at a pressure of 50 to 1000 bar, preferably 100 to 800 bar, more preferably 200 to 600 bar and subsequent Relaxation of the mixture to ambient pressure, z. B. in an outlet reservoir.
- preferably one of the above-mentioned preferred droplet sizes is set. It can be advantageous if two or more in-line interaction chambers are used. In this way, the desired droplet size can be adjusted more easily.
- interaction chambers are preferably used which have at least one microchannel with a capillary thickness of 100 to 300 ⁇ m.
- Interaction chambers are particularly preferably used which have at least one, preferably exclusively, microchannels which have at least one deflection bend.
- solid-state emulsifier is understood to mean a nanoscale particle, if appropriate with a corresponding co-emulsifier, at least in one dimension.
- aqueous cold-cure flexible foam siloxane formulation for use in the preparation of flexible polyurethane foams or for use in the preparation of cold foam activator solutions for polyurethane cold foams, wherein the aqueous cold-cure flexible foam siloxane formulation is the following
- Components includes:
- % Water from 0.05% to 40% by weight, preferably from 0.3 to 30% by weight, more preferably from 0.5 to 20% by weight, and most preferably from 1 to 10% by weight % Solid emulsifier, d)> 0% by weight to 25% by weight, preferably 5 to 20% by weight, particularly preferably 10 to 20% by weight of functional substances, and e) optionally> 0% by weight.
- % to 80 wt .-% preferably> 0 wt .-% to 20 wt .-%, particularly preferably 10 to 20 wt .-% of water-soluble siloxane / e, wherein the weight fraction of the aforementioned components is selected such that the total weight fraction of Components maximum 100 wt .-%, based on the aqueous Kaltweichschaum- siloxane formulation constitutes.
- the novel cold flexible foam siloxane formulation may contain> 0.2% by weight to ⁇ 70% by weight, preferably> 0.5% by weight to ⁇ 60% by weight, more preferably> 1% by weight to ⁇ 50% by weight. -%, more preferably> 2 wt .-% to ⁇ 40 wt .-% and more preferably contain> 3 wt .-% to ⁇ 30 wt .-% of at least one water-insoluble polysiloxane compound.
- the sum of water and water-insoluble polysiloxane compound is more than 50% by weight, preferably more than 60% by weight, more preferably more than 70% by weight and most preferably more than 80% Wt .-%, based on the total composition.
- Another preferred cold-cure flexible siloxane composition according to the invention comprises the following components, which are also described in WO 2008/071497, which is hereby incorporated in its entirety as part of this disclosure:
- R identical or different from one another, a linear, branched, unsaturated or saturated hydrocarbon radical having 1 to 50 C atoms,
- aqueous cold-cure flexible foam siloxane formulation containing at least one water-insoluble polysiloxane compound according to the general formula (I) is preferred,
- an aqueous cold-cure flexible foam siloxane formulation is preferred which contains at least one water-insoluble polysiloxane compound according to the general formula (I) in which at least one R 1 is a side chain, according to the formula (II):
- R 3 identical or different from each other H, methyl, ethyl, propyl or phenyl,
- the water-insoluble polysiloxane compound usable in the present invention has the following formula (III):
- R identical or different from each other methyl or ethyl
- water-insoluble polysiloxane compounds which can be used according to the invention are present in the form of a mixture whose distribution is determined essentially by statistical laws.
- the various structural units in the above formulas (I), (II) and (III) may be arranged randomly or in blocks.
- the values for a, g, n, m, k, p, r, and / or s therefore correspond to mean values.
- the usable water-insoluble polysiloxane compounds in the composition according to the invention are suitable for the production of flexible polyurethane foams.
- 0.1 to 5 parts by mass of the composition according to the invention are used per hundred parts by mass of polyol.
- the proportion of water-insoluble polysiloxane compounds usable in the present invention is determined to be 0.005 to 5.0 parts by mass, preferably 0.01 to 2 parts by mass of water-insoluble polysiloxane compounds per hundred parts by mass of polyol.
- water-insoluble polysiloxane polysiloxane understood that up to a maximum of 5 g in 100 ml of double-distilled water at 23 0 C in a 250 ml beaker by means of a Teflon-coated stirrer bar (3 cm length) at a stirrer speed of 200 U Stir homogeneously over a period of 1 hour without forming a phase separation after the mixture has stood for a period of at least 100 days.
- water-soluble polysiloxane polysiloxane compounds understood that with> 5 g in 100 ml of double-distilled water at 23 0 C in a 250 ml beaker by means of a Teflon-coated stirrer (3 cm length) at a stirrer speed of 200 U Stir homogeneously over a period of 1 hour without forming a phase separation after the mixture has stood for a period of at least 100 days.
- miscible solvents or soluble polymers such as xanthan gum, guar gum, carboxymethylcellulose, Polyvinylakohol, polyvinylpyrrolidone, carboxyvinyl, polyacrylates, hydroxyethylcellulose, Polythylenimine, polyethoxylated glycol stearate and clays, phyllosilicates, pyrogenic oxides such as AEROSIL® (Evonik Degussa), precipitated silicas, such as SIPERNAT® (Evonik Degussa), diatomaceous earth (diatomaceous earth), fumed silica, quartz powder, titanium dioxide, zinc oxide, cerium oxide, iron oxide, carbon black, graphite, carbon nanotubes or fibers, aluminosilicates, alkaline earth carbonates, aluminum trihydroxide, magnesium dihydroxide or Other known and customary solids from the prior art and any of the substances mentioned after surface modification with organosilicon compounds
- Antifreezes include, for example, salts, such as
- biocides for example chlorophen, benzisothiazolinone, hexahydro-1,3,5-tris (hydroxyethyl-s-triazine), chloro-methylisothiazolinone, methylisothiazolinone or 1,6-dihydroxy-2 , 5-dioxohexane, which are known under the trade names BIT 10, Nipacide BCP, Acticide MBS, Nipacide BK, Nipacide CI, Nipacide FC.
- the cell openers which can be used are the substances known to the person skilled in the art, for example polyethers with a high proportion of polyethylene glycol (high EO content) as described in US Pat. No. 4,863,976, US Pat. No. 4,347,330.
- Commercially available are, for example, Voranol CP 1421 from Dow Chemicals or polyethylene glycol 8000, polyethylene glycol 12000, polyethylene glycol 20000 or polyethylene glycol 35000 from Clariant.
- These cell openers can be used particularly advantageously in the composition according to the invention, since phase separation occurs in the emulsions known hitherto, without the use of particles as surfactant, when these substances having a high EO content are added.
- cold foams Because of the raw materials used, cold foams have very typical physical properties that distinguish them from hot foams.
- the cold foams have:
- rebound resilience Another important feature of the cold foams is the rebound resilience "ball rebound.”
- a method of determining rebound resilience is described, for example, in ISO 8307, where a steel ball of specified mass is dropped from a certain height onto the specimen and then the height of the rebound Typical values for a cold soft foam are in the range of over 55%, whereas hot foams or polyurethane ester foams, also referred to below as ester foams, have only rebound values of a maximum of 30% to 48%.
- the necessary Aufdrückkraft is a measure of the open cell. It is desirable to have foams with a high degree of open-cell character, which only require low printing forces. In the mold foaming polyurethane cold-cure flexible foams are in contrast to polyurethane hot ⁇ foams at a temperature of, for example ⁇ 9O 0 C was prepared.
- the cold-water foam siloxane formulation containing water-insoluble polysiloxanes according to the invention as stabilizers and / or cold-low foam activator solution has advantageous properties for controlling cell size and cell size distribution as well as edge zone regulation.
- the siloxanes used thus not only take over stabilizing function, but can also influence the cell opening, the cell size distribution or the flowability of the foam.
- the necessary cell opening at the right time and to the right extent is the actual problem. If the cell opening is too early or too late, the foam may collapse or shrink. If a foam is not sufficiently open-celled, mechanical pressing can cause problems.
- novel cold flexible foam siloxane formulation and / or cold soft foam activator solution have the following advantages:
- water-insoluble polysiloxane compounds used have, per polysiloxane molecule, a maximum of 70 Si atoms, preferably not more than 50 Si atoms, particularly preferably 5 to 25 Si atoms, with polydimethylsiloxanes having 5 to 25 Si atoms in the molecule being most preferred.
- the suitable polydimethylsiloxanes have a low viscosity. It has been found that polydimethylsiloxanes having a viscosity of> 200 mPas adversely affect the formation of the most regular cell structure possible. In particular viscosities of> 500 mPas or more lead to an undesired irregular spongy cell structure or even collapse of the foam.
- polydimethylsiloxanes of the general formula (III) in which all radicals R, R 1 are methyl radicals and m is 0, are preferred, a viscosity of> 0 mPa-s to ⁇ 100 mPa-s, preferably a viscosity of> 0.5 mPa-s to ⁇ 80 mPa-s, preferably a viscosity of> 1 mPa-s to ⁇ 70 mPa-s and particularly preferably have a viscosity of> 1.5 mPa-s to ⁇ 50 mPa-s.
- Viscosity unless otherwise indicated in the description of the present invention was measured according to DIN 53015 at 2O 0 C with a falling ball viscometer Höppler.
- the viscosity of the cold mild foam siloxane formulation is in the range of 20 mPa-s to 10000 mPa-s, measured at 20 0 C according to Hoppler.
- the size distribution of the present oil droplets is such that over 90% by volume of the oil droplets are smaller than 2 ⁇ m, smaller than 1 ⁇ m or smaller than 0.5 ⁇ m.
- the size distribution was measured using a particle size analyzer from the company Beckman Coulter model "LS 230" according to the principle of laser diffraction, or the method of dynamic light scattering (DLS) is used for particularly finely divided emulsions and a micrograph can be evaluated by counting at least 10x10 drops.
- the aqueous cold foam siloxane formulation is characterized by a very good stability.
- the cold mild foam siloxane invention is storage stable at room temperature and forms, for example over a period of at least 10 days, preferably of at least 50 days and preferably of at least 100 days no droplet coalescence and consequent phase separation from. In the event that a creaming or sedimentation occurs, this can usually by easy stirring can be eliminated again without using high shear forces.
- a particular advantage of the novel aqueous cold-cure flexible foam siloxane formulation is that it can be incorporated into an activator solution, giving a storage-stable, homogeneous activator solution.
- known stabilizers based on water-insoluble siloxanes such as e.g.
- TEGOSTAB® B 4113 LF available from Evonik Goldschmidt, does not produce homogeneous activator solutions.
- the activator solution contains u.a. the siloxanes (stabilizers), the catalysts, such as amines, metal catalysts and the blowing agent, for example water, and possibly other additives, such as flame retardant, paint, biocides, etc., depending on the formulation of the foam.
- the siloxanes stabilizers
- the catalysts such as amines, metal catalysts and the blowing agent, for example water
- the blowing agent for example water
- additives such as flame retardant, paint, biocides, etc.
- a homogeneous activator solution can be easily prepared without additional effort when mixing the cold foam siloxane invention having a composition comprising: - catalysts, preferably amines, metal catalysts, optionally physical blowing agents, preferably acetone, methylene chloride, additional water as a chemical Propellants, optionally flame retardants, UV stabilizers, dyes, biocides, pigments, cell openers, crosslinkers, other foam stabilizing substances and conventional additives that are needed for the production and use of the foam.
- - catalysts preferably amines, metal catalysts, optionally physical blowing agents, preferably acetone, methylene chloride, additional water as a chemical Propellants, optionally flame retardants, UV stabilizers, dyes, biocides, pigments, cell openers, crosslinkers, other foam stabilizing substances and conventional additives that are needed for the production and use of the foam.
- a preferred homogeneous cold soft foam activator solution according to the invention which is suitable for use in the production of highly elastic polyurethane flexible foams, comprises an aqueous cold spray foam siloxane formulation according to the invention and additives selected from the group comprising:
- Catalysts preferably amines, metal catalysts, optionally physical blowing agents, preferably acetone, methylene chloride, - additional water as a chemical blowing agent, and optionally additives selected from the group comprising flame retardants, UV stabilizers, dyes, biocides, pigments, cell openers, crosslinking agents, other foam stabilizing Substances and common processing aids.
- the cold mild foam activator solution may additionally contain all of the usual additives known in the art for activator solutions.
- polyols it is possible to use all polyols which are suitable for the preparation of the cold soft foams in a manner familiar to the person skilled in the art.
- suitable polyols are given in US 4477601, EP 0499200 and the publications cited therein.
- highly reactive polyols are used. These are preferably trifunctional polyols which, in addition to a high molecular weight of usually between about 4800 and 6500 g / mol, have at least 70% up to 95% primary hydroxyl groups, such that their OH number is between 36 and 26 mg KOH / g ,
- These polyols are up to 90% of propylene oxide, but contain almost exclusively from the addition of ethylene oxide resulting primary OH end groups.
- the primary OH groups are far more reactive towards the isocyanate groups than the secondary OH groups of the polyols used for the production of polyurethane hot-flexible foam whose OH numbers are usually between 56 and 42 mg KOH / g at molecular weights between 3000 and 4500 g / mol.
- SAN polyols These are highly reactive polyols containing a copolymer based on styrene / acrylonitrile (SAN) dispersed.
- PHD polyols These are highly reactive polyols which also contain polyurea in dispersed form.
- PIPA Polyols These are highly reactive polyols which contain a polyurethane in dispersed form, for example by in situ reaction of an isocyanate with an alkanolamine in a conventional polyol.
- the formulations containing solids-containing polyols can be significantly less intrinsically stable and therefore, in addition to chemical stabilization by the crosslinking reaction, rather require physical stabilization as well.
- solids content of the polyols they are used alone or in admixture with the above-mentioned unfilled polyols.
- isocyanates organic isocyanate compounds containing at least two isocyanate groups can be used.
- the known per se aliphatic, cycloaliphatic, araliphatic and preferably aromatic polyfunctional isocyanates come into question.
- Isocyanates are particularly preferably used in a range from 60 to 140 mol% relative to the sum of the isocyanate-consuming components. Both TDI (2,4- and 2,6-toluene diisocyanate isomer mixture) and MDI (4,4'-diphenylmethane diisocyanate) are used.
- Propellants include water whose reaction with the
- Foam can be controlled by the added amount of water or blowing agent, with the preferred amounts of water used between 1.5 and 5.0 parts by mass, based on
- Propellants such as carbon dioxide, acetone, hydrocarbons, such as n-, iso- or cyclopentane, cyclohexane, halogenated hydrocarbons, such as methylene chloride, tetrafluoroethane, Pentafluoropropane, heptafluoropropane, pentafluorobutane, hexafluorobutane and / or dichloromonofluoroethane.
- the amount of the physical blowing agent is preferably in the range from 1 to 15 parts by weight, in particular from 1 to 10 parts by weight, the amount of water preferably in the range from 0.5 to 10 parts by weight, in particular from 1 to 5 Parts by weight.
- Carbon dioxide is preferred by the physical blowing agent, which is preferably used in combination with water as a chemical blowing agent.
- Another object of the invention are highly elastic polyurethane foams produced using compositions containing the particulate emulsifiers according to the invention.
- Another object of the present invention relates to a product containing a highly elastic polyurethane cold foam, which is prepared using the aqueous cold-cure foam siloxane formulation and / or the Kaltweichschaum2011atoryour.
- Another object of the invention is, for example, a car seat containing a highly elastic polyurethane cold foam which is prepared using the aqueous KaIt- soft foam siloxane formulation and / or the cold soft foam activator solution.
- compositions according to the invention and the corresponding processes for their preparation are described below by way of example, without the invention being considered to be limited to these exemplary embodiments.
- the water-insoluble siloxane used was a polydimethylsiloxane, as described in DE 25 33 074 A1, Example 4 as mixture 1.
- Pre-emulsion was 7.5 g of a 5% aqueous CTAB solution
- the mixture was treated with 200 g of water containing 0.4 g of TEGO® Carbomer 141 (available from Evonik Goldschmidt).
- Comparative Example 1 anhydrous siloxane composition 30 g of siloxane were mixed with 270 g of dioctyl phthalate to form a homogeneous solution.
- Example 5 and Comparative Example 2 show that activator solutions can be prepared only with the siloxane formulations according to the invention.
- Example 6 shows that activator solutions can be prepared only with the siloxane formulations according to the invention.
- Formulation B 60 parts of polyol having an OH number of 35 mg
- KOH / g and a molecular weight of 5000 g / mol 40 parts of the PHD polyol with 20% solids and an OH number of 29 mg KOH / g and a molar mass of 6000 g / mol, 4 parts water, 1.5 parts diethanolamine, 0.5 parts TEGOAMIN ® 33, and 0.07 parts TEGOAMIN ® BDE and 48 parts of isocyanate (T80).
- the foams were prepared in the known manner by mixing all components except the isocyanate in a beaker, then adding the isocyanate and stirring rapidly at high stirrer speed. Then the reaction mixture was placed in a paper-lined container with a footprint of 28x28 cm. One determined the rise height and the relapse. The blowing off of the foam was rated at 0-3, with 0 being given for bad or unrecognizable and 3 for very strong blowing, with values of 1-2 being targeted.
- Relapse is the decrease of the height of rise in cm 1 minute after reaching the maximum rise height.
- Blowing is the release of the Teibgase from the open cells of the foam.
- Example 8 (using the activator solution from Example 5)
- a foam was prepared using 6.5 parts of the activator solution prepared in Example 5 per 100 parts of polyol and 40 parts of isocyanate. The resulting foam had good stability. At a height of rise of 21.5 cm, the relapse was 0, 8 cm. The blow-off behavior was rated 1. The cell number was 10-11 cells / cm.
- Example 9
- the stabilizer used was the aqueous cold-cure flexible foam siloxane formulation from Example 1, taking into account the amount of water contained in the foam formulation.
- the aqueous cold-cure flexible foam siloxane formulation was used in an amount such that 0.1 part of water-insoluble polysiloxane came to 100 parts of polyol.
- the resulting foam had good stability. At a height of 21.8 cm, the relapse was 0.5 cm.
- the blow-off behavior was rated 1.
- the cell number was 10-11 cells / cm.
- the stabilizer used was the aqueous cold-cure flexible foam siloxane formulation from Example 2, taking into account the amount of water in the foam formulation contained therein.
- Cold foam siloxane formulation was used in an amount such that 0.1 part of water-insoluble polysiloxane came to 100 parts of polyol.
- the resulting foam had good stability. At a height of 21.4 cm, the relapse was 1.1 cm.
- the blow-off behavior was rated 1.
- the cell number was 10-11 cells / cm.
- the stabilizer used was the aqueous cold-cure flexible foam siloxane formulation from Example 3, taking into account the amount of water contained in the foam formulation.
- the aqueous cold-cure flexible foam siloxane formulation was used in an amount such that 0.1 parts of water-insoluble polysiloxane 100 parts of polyol came.
- the resulting foam had good stability. At a climbing height of 22.5 cm, the relapse was 0.4 cm.
- the blow-off behavior was rated 1.
- the cell count was 11 cells / cm.
- the non-aqueous cold-cure flexible foam siloxane formulation of Comparative Example 1 was used as the stabilizer.
- the cold mild foam siloxane formulation was used in an amount such that 0.1 part of water-insoluble polysiloxane came to 100 parts of polyol.
- the resulting foam had good stability.
- At a climbing height of 21 cm the relapse was 1.0 cm.
- the blow-off behavior was rated 1.
- the cell count was 11 cells / cm.
- the foams were prepared in the known manner by mixing all components except the isocyanate in a beaker, then adding the isocyanate and stirring rapidly at high stirrer speed. The reaction mixture was then poured into a cuboid mold heated to 60 ° C. and allowed to cure for 6 minutes. Subsequently, the pressing forces were measured. Here, the foams were compressed 10 times to 50% of their height. Then (manual) was fully pressed in order to be able to determine the hardness of the pressed-on foam at the 11th measured value. After that, the Foams cut open to assess the skin and marginal zone and to determine the number of cells.
- Example 7 shows that with the stabilizer formulations according to the invention also mold foams without Quality losses can be made.
- the pressing force can be reduced.
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008055115A DE102008055115A1 (de) | 2008-12-23 | 2008-12-23 | Wässrige Siloxanformulierungen für die Herstellung von hochelastischen Polyurethankaltweichschäumen |
| PCT/EP2009/065601 WO2010072488A1 (de) | 2008-12-23 | 2009-11-23 | Wässrige siloxanformulierungen für die herstellung von hochelastischen polyurethankaltweichschäumen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2367615A1 true EP2367615A1 (de) | 2011-09-28 |
Family
ID=42138863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09756493A Withdrawn EP2367615A1 (de) | 2008-12-23 | 2009-11-23 | Wässrige siloxanformulierungen für die herstellung von hochelastischen polyurethankaltweichschäumen |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20110257280A1 (de) |
| EP (1) | EP2367615A1 (de) |
| CN (1) | CN102264461A (de) |
| BR (1) | BRPI0923686A2 (de) |
| CA (1) | CA2748292A1 (de) |
| DE (1) | DE102008055115A1 (de) |
| MX (1) | MX2011005961A (de) |
| RU (1) | RU2011130598A (de) |
| WO (1) | WO2010072488A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009003274A1 (de) * | 2009-05-20 | 2010-11-25 | Evonik Goldschmidt Gmbh | Zusammensetzungen enthaltend Polyether-Polysiloxan-Copolymere |
| DE102011007479A1 (de) | 2011-04-15 | 2012-10-18 | Evonik Goldschmidt Gmbh | Zusammensetzung, enthaltend spezielle Amide und organomodifizierte Siloxane, geeignet zur Herstellung von Polyurethanschäumen |
| DE102011083017A1 (de) | 2011-09-20 | 2013-03-21 | Evonik Industries Ag | Verbundwerkstoffe umfassend eine offenzellige Polymermatrix und darin eingebettete Granulate |
| CN102690433B (zh) * | 2012-04-25 | 2014-07-16 | 辽宁东吉科技开发有限公司 | 一种硅藻基功能型聚氨酯发泡复合材料生产方法 |
| EP2716673B1 (de) * | 2012-10-04 | 2016-04-06 | Evonik Degussa GmbH | Formteile auf Basis von Reaktionsprodukten aus Polyolen und Isocyanaten |
| DE102013223444B4 (de) | 2013-11-18 | 2015-06-03 | Evonik Industries Ag | Verwendung von Guanidinumsetzungsprodukten bei der Herstellung von Polyurethansystemen |
| DE102013226575B4 (de) | 2013-12-19 | 2021-06-24 | Evonik Operations Gmbh | Zusammensetzung, geeignet zur Herstellung von Polyurethanschäumen, enthaltend mindestens einen ungesättigten Fluorkohlenwasserstoff oder ungesättigten Fluorkohlenwasserstoff als Treibmittel, Polyurethanschäume, Verfahren zu deren Herstellung und deren Verwendung |
| DE102014215382A1 (de) | 2014-08-05 | 2016-02-11 | Evonik Degussa Gmbh | Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen |
| DE102014215384A1 (de) | 2014-08-05 | 2016-02-11 | Evonik Degussa Gmbh | Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen |
| DE102014215388A1 (de) | 2014-08-05 | 2016-02-11 | Evonik Degussa Gmbh | Stickstoffhaltige Verbindungen, geeignet zur Verwendung bei der Herstellung von Polyurethanen |
| EP3078696A1 (de) | 2015-04-08 | 2016-10-12 | Evonik Degussa GmbH | Herstellung emissionsarmer polyurethane |
| PL3115389T3 (pl) | 2015-07-07 | 2020-09-07 | Evonik Operations Gmbh | Wytwarzanie pianki poliuretanowej |
| EP3487945B1 (de) | 2016-07-19 | 2020-05-13 | Evonik Operations GmbH | Verwendung von polyolestern zur herstellung poröser kunststoffbeschichtungen |
| JP7241487B2 (ja) | 2017-09-25 | 2023-03-17 | エボニック オペレーションズ ゲーエムベーハー | ポリウレタン系の製造 |
| US11390199B2 (en) * | 2018-04-10 | 2022-07-19 | Adient Us Llc | Seating module for a seat |
| EP3940012A1 (de) | 2020-07-16 | 2022-01-19 | Evonik Operations GmbH | Stickstofffreie und stickstoffarme vernetzende additive für kaltblockweichschaum mit verbesserten kompressions- und alterungseigenschaften |
| CN112625297B (zh) * | 2020-12-11 | 2021-09-03 | 四川大学 | 一种基于Pickering泡沫模板法制备WPU合成革发泡层的方法 |
| CN117534421B (zh) * | 2024-01-09 | 2024-03-26 | 长江岩土工程有限公司 | 一种防渗材料、制备方法及在坝体建筑方面的应用 |
| CN119060300B (zh) * | 2024-11-06 | 2025-02-11 | 合肥工业大学 | 一种诱导牙周组织再生的Janus结构生物基聚氨酯膜 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE444898C (de) | 1927-06-02 | Richard Spiegelberg | Fahrradstaender | |
| US3839384A (en) | 1972-11-13 | 1974-10-01 | Union Carbide Corp | Polyether urethane foam |
| CH597270A5 (de) | 1974-08-30 | 1978-03-31 | Goldschmidt Ag Th | |
| US4347330A (en) | 1981-09-08 | 1982-08-31 | Basf Wyandotte Corporation | Low-cost surfactant compositions for high resiliency flexible foams |
| US4477601A (en) | 1983-11-16 | 1984-10-16 | Dow Corning Corporation | High resiliency molded urethane foams containing high levels of graft copolymer polyols |
| DE3626297C1 (de) * | 1986-08-02 | 1987-07-09 | Goldschmidt Ag Th | Verfahren zur Herstellung hochelastischer,kalthaertender Polyurethanschaumstoffe |
| US4863976A (en) | 1988-04-26 | 1989-09-05 | Dow Chemical Company | Polyurethane foam prepared using high functionalilty cell openers |
| US5192812A (en) | 1991-02-12 | 1993-03-09 | Union Carbide Chemicals & Plastics Technology Corporation | Cell openers for urethane foam surfactants |
| US5691392A (en) * | 1997-02-05 | 1997-11-25 | Ppg Industries, Inc. | Stable particulate dispersions |
| DE19808581C1 (de) | 1998-02-28 | 1999-08-12 | Goldschmidt Ag Th | Verwendung von Siliconpolyether-Copolymeren bei der Herstellung von Polyurethan-Kaltschäumen |
| US6239186B1 (en) | 1999-10-28 | 2001-05-29 | Air Products And Chemicals, Inc. | Silicone surfactants for the production of open cell polyurethane flexible foams |
| FR2808704B1 (fr) | 2000-05-10 | 2002-08-16 | Rhodia Chimie Sa | Agents tensioactifs formes par des particules minerales de dimension nanometrique de surface modifiee |
| DE102004014704A1 (de) * | 2004-03-25 | 2005-10-13 | Wacker-Chemie Gmbh | Partikelstabilisierte Emulsionen |
| EP1690892A1 (de) * | 2005-02-10 | 2006-08-16 | Supresta LLC | Flammgeschützter Polyester Polyurethanschaum enthaltend pyrogene Kieselsäure |
| DE102006041971A1 (de) * | 2006-09-07 | 2008-03-27 | Evonik Goldschmidt Gmbh | Verwendung von partikulären Emulgatoren in abhäsiven siloxanhaltigen Beschichtungsmassen |
| US8303843B2 (en) * | 2006-12-15 | 2012-11-06 | Evonik Goldschmidt Gmbh | Aqueous cold-cure flexible stabilizer formulations |
| DE102010001528A1 (de) * | 2010-02-03 | 2011-08-04 | Evonik Goldschmidt GmbH, 45127 | Neue Partikel und Kompositpartikel, deren Verwendungen und ein neues Verfahren zu deren Herstellung aus Alkoxysilylgruppen tragenden Alkoxylierungsprodukten |
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2008
- 2008-12-23 DE DE102008055115A patent/DE102008055115A1/de not_active Withdrawn
-
2009
- 2009-11-23 US US13/141,754 patent/US20110257280A1/en not_active Abandoned
- 2009-11-23 CA CA2748292A patent/CA2748292A1/en not_active Abandoned
- 2009-11-23 EP EP09756493A patent/EP2367615A1/de not_active Withdrawn
- 2009-11-23 RU RU2011130598/04A patent/RU2011130598A/ru unknown
- 2009-11-23 CN CN2009801524463A patent/CN102264461A/zh active Pending
- 2009-11-23 BR BRPI0923686A patent/BRPI0923686A2/pt not_active Application Discontinuation
- 2009-11-23 WO PCT/EP2009/065601 patent/WO2010072488A1/de not_active Ceased
- 2009-11-23 MX MX2011005961A patent/MX2011005961A/es not_active Application Discontinuation
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2010072488A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010072488A1 (de) | 2010-07-01 |
| RU2011130598A (ru) | 2013-01-27 |
| MX2011005961A (es) | 2011-06-30 |
| DE102008055115A1 (de) | 2010-07-01 |
| US20110257280A1 (en) | 2011-10-20 |
| CA2748292A1 (en) | 2010-07-01 |
| CN102264461A (zh) | 2011-11-30 |
| BRPI0923686A2 (pt) | 2016-01-19 |
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