EP1481028A2 - Wassrige beschichtungszusammensetzungen verfahren zu deren herstellung sowie deren verwendung insbesondere zur herstellung von thixotropen beschichtungszusammensetzungen - Google Patents
Wassrige beschichtungszusammensetzungen verfahren zu deren herstellung sowie deren verwendung insbesondere zur herstellung von thixotropen beschichtungszusammensetzungenInfo
- Publication number
- EP1481028A2 EP1481028A2 EP03706509A EP03706509A EP1481028A2 EP 1481028 A2 EP1481028 A2 EP 1481028A2 EP 03706509 A EP03706509 A EP 03706509A EP 03706509 A EP03706509 A EP 03706509A EP 1481028 A2 EP1481028 A2 EP 1481028A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cellulose
- vinyl acetate
- vinyl
- ethene
- monomers
- 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- Withdrawn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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000008199 coating composition Substances 0.000 title claims description 49
- 238000000034 method Methods 0.000 title claims description 14
- 230000009974 thixotropic effect Effects 0.000 title abstract description 27
- 239000006185 dispersion Substances 0.000 claims abstract description 102
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 51
- 239000000084 colloidal system Substances 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 150000001875 compounds Chemical class 0.000 claims abstract description 29
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 239000011230 binding agent Substances 0.000 claims abstract description 20
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 229920001577 copolymer Polymers 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910001868 water Inorganic materials 0.000 claims description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- -1 vinyl versatic acid Chemical compound 0.000 claims description 88
- 239000000178 monomer Substances 0.000 claims description 84
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 43
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 40
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 39
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 35
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 29
- 238000002360 preparation method Methods 0.000 claims description 29
- 239000000049 pigment Substances 0.000 claims description 27
- 229920002678 cellulose Polymers 0.000 claims description 25
- 239000001913 cellulose Substances 0.000 claims description 25
- 235000010980 cellulose Nutrition 0.000 claims description 25
- 150000003254 radicals Chemical class 0.000 claims description 25
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 19
- 229920000642 polymer Polymers 0.000 claims description 19
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 17
- 229920003086 cellulose ether Polymers 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 16
- 229920001567 vinyl ester resin Polymers 0.000 claims description 16
- 239000010936 titanium Substances 0.000 claims description 15
- 229910052719 titanium Inorganic materials 0.000 claims description 15
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 15
- 239000000839 emulsion Substances 0.000 claims description 14
- 150000002148 esters Chemical class 0.000 claims description 14
- 238000006116 polymerization reaction Methods 0.000 claims description 14
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 13
- 125000004432 carbon atom Chemical group C* 0.000 claims description 13
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 13
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 13
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 12
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 12
- 239000013522 chelant Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 12
- 239000011734 sodium Substances 0.000 claims description 12
- 229910052708 sodium Inorganic materials 0.000 claims description 12
- 229920002554 vinyl polymer Polymers 0.000 claims description 12
- 150000007513 acids Chemical class 0.000 claims description 11
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 7
- 150000002763 monocarboxylic acids Chemical class 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 7
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 150000001735 carboxylic acids Chemical class 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 6
- GLVVKKSPKXTQRB-UHFFFAOYSA-N ethenyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC=C GLVVKKSPKXTQRB-UHFFFAOYSA-N 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 239000013008 thixotropic agent Substances 0.000 claims description 6
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 claims description 5
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims description 5
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 5
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 5
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 238000010924 continuous production Methods 0.000 claims description 4
- JBSLOWBPDRZSMB-BQYQJAHWSA-N dibutyl (e)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C\C(=O)OCCCC JBSLOWBPDRZSMB-BQYQJAHWSA-N 0.000 claims description 4
- 150000002334 glycols Chemical class 0.000 claims description 4
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 claims description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- 241000416162 Astragalus gummifer Species 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229920000896 Ethulose Polymers 0.000 claims description 3
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims description 3
- 229920000084 Gum arabic Polymers 0.000 claims description 3
- 229920001615 Tragacanth Polymers 0.000 claims description 3
- 235000010489 acacia gum Nutrition 0.000 claims description 3
- 239000000205 acacia gum Substances 0.000 claims description 3
- 150000001346 alkyl aryl ethers Chemical class 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims description 3
- 235000010944 ethyl methyl cellulose Nutrition 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 229920000609 methyl cellulose Polymers 0.000 claims description 3
- 235000010981 methylcellulose Nutrition 0.000 claims description 3
- 239000001923 methylcellulose Substances 0.000 claims description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 3
- 239000005445 natural material Substances 0.000 claims description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 3
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 3
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 claims description 3
- 229960004063 propylene glycol Drugs 0.000 claims description 3
- 235000013772 propylene glycol Nutrition 0.000 claims description 3
- 235000010487 tragacanth Nutrition 0.000 claims description 3
- 239000000196 tragacanth Substances 0.000 claims description 3
- 229940116362 tragacanth Drugs 0.000 claims description 3
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 2
- 229940035437 1,3-propanediol Drugs 0.000 claims description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 2
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 claims description 2
- IOAOAKDONABGPZ-UHFFFAOYSA-N 2-amino-2-ethylpropane-1,3-diol Chemical compound CCC(N)(CO)CO IOAOAKDONABGPZ-UHFFFAOYSA-N 0.000 claims description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 2
- 229940093475 2-ethoxyethanol Drugs 0.000 claims description 2
- HCGFUIQPSOCUHI-UHFFFAOYSA-N 2-propan-2-yloxyethanol Chemical compound CC(C)OCCO HCGFUIQPSOCUHI-UHFFFAOYSA-N 0.000 claims description 2
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 claims description 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- 108010010803 Gelatin Proteins 0.000 claims description 2
- OHLUUHNLEMFGTQ-UHFFFAOYSA-N N-methylacetamide Chemical compound CNC(C)=O OHLUUHNLEMFGTQ-UHFFFAOYSA-N 0.000 claims description 2
- 229920002845 Poly(methacrylic acid) Polymers 0.000 claims description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 claims description 2
- 235000010443 alginic acid Nutrition 0.000 claims description 2
- 229920000615 alginic acid Polymers 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000004567 concrete Substances 0.000 claims description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 2
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 claims description 2
- 229940043276 diisopropanolamine Drugs 0.000 claims description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 2
- 239000008273 gelatin Substances 0.000 claims description 2
- 229920000159 gelatin Polymers 0.000 claims description 2
- 235000019322 gelatine Nutrition 0.000 claims description 2
- 235000011852 gelatine desserts Nutrition 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 239000004310 lactic acid Substances 0.000 claims description 2
- 235000014655 lactic acid Nutrition 0.000 claims description 2
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims description 2
- 229920003087 methylethyl cellulose Polymers 0.000 claims description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 150000002905 orthoesters Chemical class 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- 229920001184 polypeptide Polymers 0.000 claims description 2
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims description 2
- 102000004196 processed proteins & peptides Human genes 0.000 claims description 2
- 108090000765 processed proteins & peptides Proteins 0.000 claims description 2
- 239000011975 tartaric acid Substances 0.000 claims description 2
- 235000002906 tartaric acid Nutrition 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- MPMBRWOOISTHJV-UHFFFAOYSA-N but-1-enylbenzene Chemical compound CCC=CC1=CC=CC=C1 MPMBRWOOISTHJV-UHFFFAOYSA-N 0.000 claims 2
- 241000978776 Senegalia senegal Species 0.000 claims 1
- FXBZWPXBAZFWIY-UHFFFAOYSA-N butyl prop-2-enoate;ethenyl acetate Chemical compound CC(=O)OC=C.CCCCOC(=O)C=C FXBZWPXBAZFWIY-UHFFFAOYSA-N 0.000 claims 1
- 150000002118 epoxides Chemical class 0.000 claims 1
- 229930014626 natural product Natural products 0.000 claims 1
- 229920001519 homopolymer Polymers 0.000 abstract description 7
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 84
- 239000003973 paint Substances 0.000 description 38
- 239000003995 emulsifying agent Substances 0.000 description 23
- YLGXILFCIXHCMC-JHGZEJCSSA-N methyl cellulose Chemical compound COC1C(OC)C(OC)C(COC)O[C@H]1O[C@H]1C(OC)C(OC)C(OC)OC1COC YLGXILFCIXHCMC-JHGZEJCSSA-N 0.000 description 20
- 229920000847 nonoxynol Polymers 0.000 description 14
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 13
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 13
- 238000001816 cooling Methods 0.000 description 13
- 239000000499 gel Substances 0.000 description 13
- 239000001632 sodium acetate Substances 0.000 description 13
- 235000017281 sodium acetate Nutrition 0.000 description 13
- 239000003086 colorant Substances 0.000 description 12
- BWYYYTVSBPRQCN-UHFFFAOYSA-M sodium;ethenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C=C BWYYYTVSBPRQCN-UHFFFAOYSA-M 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 11
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 9
- 125000000129 anionic group Chemical group 0.000 description 9
- 239000000470 constituent Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- IEORSVTYLWZQJQ-UHFFFAOYSA-N 2-(2-nonylphenoxy)ethanol Chemical compound CCCCCCCCCC1=CC=CC=C1OCCO IEORSVTYLWZQJQ-UHFFFAOYSA-N 0.000 description 7
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 7
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 7
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- 239000008187 granular material Substances 0.000 description 7
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- 235000019333 sodium laurylsulphate Nutrition 0.000 description 7
- DBMJMQXJHONAFJ-UHFFFAOYSA-N sodium;dodecyl sulfate;hydron Chemical compound [H+].[Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-N 0.000 description 7
- 238000003756 stirring Methods 0.000 description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 7
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 6
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- 239000003755 preservative agent Substances 0.000 description 6
- 238000000518 rheometry Methods 0.000 description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 6
- 159000000000 sodium salts Chemical class 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 5
- IUVCFHHAEHNCFT-INIZCTEOSA-N 2-[(1s)-1-[4-amino-3-(3-fluoro-4-propan-2-yloxyphenyl)pyrazolo[3,4-d]pyrimidin-1-yl]ethyl]-6-fluoro-3-(3-fluorophenyl)chromen-4-one Chemical compound C1=C(F)C(OC(C)C)=CC=C1C(C1=C(N)N=CN=C11)=NN1[C@@H](C)C1=C(C=2C=C(F)C=CC=2)C(=O)C2=CC(F)=CC=C2O1 IUVCFHHAEHNCFT-INIZCTEOSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
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- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- BTJYKXPSPBJJDQ-UHFFFAOYSA-M sodium;1,4-bis(4-methylpentan-2-yloxy)-1,4-dioxobutane-2-sulfonate Chemical compound [Na+].CC(C)CC(C)OC(=O)CC(S([O-])(=O)=O)C(=O)OC(C)CC(C)C BTJYKXPSPBJJDQ-UHFFFAOYSA-M 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- 238000001256 steam distillation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- SGCFZHOZKKQIBU-UHFFFAOYSA-N tributoxy(ethenyl)silane Chemical compound CCCCO[Si](OCCCC)(OCCCC)C=C SGCFZHOZKKQIBU-UHFFFAOYSA-N 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000009736 wetting Methods 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
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- 150000003755 zirconium compounds Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D135/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D135/06—Copolymers with vinyl aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
Definitions
- Aqueous plastic dispersions have long been used, in particular because of their environmental compatibility, for the production of aqueous binder-containing coating compositions which are suitable on the one hand as paints for decorating and protecting substrates and on the other hand as adhesives for bonding substrates.
- thixotropy can also be advantageous in the case of aqueous, binder-containing preparations which are used as adhesives.
- thixotropic dispersions that act as adhesives tend to sediment much less than non-thixotropic dispersions.
- thixotropic dispersions can be pumped or processed in a similar manner to non-thixotropic dispersions or can be processed on high-speed machines, since the original, low viscosity of the dispersion can easily be restored by shearing.
- Thixotropic paints based on aqueous plastic dispersions are also known. With such substances the thixotropy, e.g. by mixing special additives, such as montmorillonite or water glass, into the paint.
- a thixotropic coating agent based on a film-forming polymer, an organic polyhydroxy compound and a titanium chelate in an aqueous medium is known, in which a water-emulsified homo- or copolymer of vinyl esters, acrylic and Methacrylic esters, styrene, acrylonitrile and butadiene, a natural or synthetic, water-soluble hydroxyl-containing organic colloid and 0.2 to 5% by weight of titanium chelate, based on the emulsion weight, is used as the polyhydroxy compound.
- DE-A-26 20 189 describes thixotropic mixtures which consist of a) one or more aqueous plastic dispersions which comprise an acetoacetate contain group-containing copolymer ⁇ , ⁇ -unsaturated compounds, b) a protective colloid containing hydroxyl groups, c) a heavy metal chelate, and d) other conventional additives.
- DE-A-197 08 531 and DE-A-197 51 712 describe the use of water-soluble, nonionic cellulose ethers from the group of alkyl celluloses and hydroxyalkyl celluloses, which are additionally substituted with butenyl and 2-propenyl groups, as protective colloids for the Emulsion polymerization described.
- the preparation of polymer dispersions with these hydroxyl-containing protective colloids is mentioned in the examples.
- aqueous, binder-containing coating compositions, such as paints and / or adhesives, which contain these polymer dispersions are not disclosed. It was therefore an object of the present invention to provide aqueous, binder-containing coating compositions which can be used both as adhesives and as paints and which do not have the disadvantages described above or only to a minor extent.
- Another object of the present invention was to provide aqueous, binder-containing coating compositions which, in contrast to the known coating compositions, are distinguished by markedly improved thixotropic properties (gel strength) after addition of the same or smaller amounts of metal chelates, the preparation of the binder used using the same or lower amounts of hydroxyl-containing protective colloid should be used.
- the present invention thus relates to aqueous, binder-containing coating compositions
- aqueous plastic dispersion based on a homo- and / or copolymer derived from ⁇ , ⁇ -unsaturated compounds (M), which • contains at least one hydroxyl-containing protective colloid with ethylenically unsaturated radicals, and
- ⁇ , ⁇ -unsaturated compounds (M) suitable for the production of the plastic dispersions is not critical in itself. All monomers commonly used for the production of plastic dispersions come into question, which can be combined in a meaningful way according to the requirements of practice.
- Preferred main monomers (MH) are vinyl esters of carboxylic acids with 1 to 18 carbon atoms (MH1), esters or half esters of ethylenically unsaturated C 3 -C 8 mono- and dicarboxylic acids with C 8 -C alkanols (MH2), aromatic or aliphatic ⁇ , ⁇ -unsaturated, optionally halogen-substituted hydrocarbons (MH3).
- ionic monomers (MF1) and nonionic monomers (MF2) and further ethylenically unsaturated monomers (MF3) can be used as functional monomers (MF).
- vinyl esters of carboxylic acids having 1 to 18 carbon atoms can be used as vinyl esters of carboxylic acids having 1 to 18 carbon atoms (MH1).
- vinyl esters of carboxylic acids having 1 to 4 carbon atoms such as, for example, vinyl formate, vinyl acetate, vinyl propionate, vinyl isobutyrate, vinyl pivalate and vinyl 2-ethylhexanoate
- Vinyl esters of saturated, branched monocarboxylic acids with 9, 10 or 11 carbon atoms in the acid residue ® versatic acids
- Vinyl esters of longer-chain, saturated and unsaturated fatty acids for example vinyl esters of fatty acids having 8 to 18 carbon atoms, such as vinyl laurate and vinyl stearate
- Vinyl acetate is particularly preferred.
- esters or half-esters of ethylenically unsaturated C 3 -C 8 mono- and dicarboxylic acids with CrC-i 8 alkanols MH2
- the esters or half-esters of ethylenically unsaturated C 3 -C 8 mono- and dicarboxylic acids with C 1 -C 2 alkanols are preferred, C 8 -C 8 alkanols or C 5 -C 8 cycloalkanols being particularly preferred.
- Suitable CC 8 alkanols are, for example, methanol, ethanol, n-propanol, i-propanol, 1-butanol, 2-butanol, i-butanol, tert-butanol, n-hexanol, 2-ethylhexanol, lauryl alcohol and stearyl alcohol.
- Suitable cycloalkanols are, for example, cyclopentanol and cyclohexanol.
- the esters of acrylic acid are particularly preferred (Meth) acrylic acid, crotonic acid, maleic acid, itaconic acid, citraconic acid and fumaric acid.
- esters of acrylic acid and / or of (meth) acrylic acid such as, for example, the (meth) acrylic acid methyl ester, the (meth) acrylic acid ethyl ester, the (meth) acrylic acid isopropyl ester, the (meth) acrylic acid n-butyl ester, the (meth) isobutyl acrylate, the (meth) acrylic acid l-hexyl ester, the (meth) acrylic acid tert-butyl ester, the (meth) acrylic acid 2-ethylhexyl ester, and also the esters of fumaric acid and maleic acid, such as, for example, dimethyl fumarate, dimethyl maleate, the maleic acid di-n-butyl ester, the maleic acid di-n-octyl ester and the maleic acid di-2-ethylhexyl ester.
- the esters mentioned can also be substituted with epoxy and / or hydroxyl groups
- aromatic or aliphatic ⁇ , ⁇ -unsaturated, optionally halogen-substituted hydrocarbons are ethene, propene, 1-butene, 2-butene, isobutene, styrene, vinyl toluene, vinyl chloride and vinylidene chloride, with ethene and styrene being preferred.
- ethylenically unsaturated, ionic monomers are preferably understood to mean those ethylenically unsaturated monomers which have a water solubility of more than 50 g / l, preferably more than 80 g / l, at 25 ° C. and 1 bar and that more than 50%, preferably more than 80%, are present as an ionic compound in dilute aqueous solution at pH 2 and / or pH 11, or more than 50%, preferably more, at pH 2 and / or pH 11 by protonation or deprotonation than 80% can be transformed into an ionic compound.
- Suitable ethylenically unsaturated, ionic monomers are those compounds which carry at least one carboxylic acid, a sulfonic acid, a phosphoric acid or a phosphonic acid group in the immediate vicinity of the double bond unit or are connected to it via a spacer. Examples include: ⁇ , /? - unsaturated C 3 -C 8 monocarboxylic acids, ⁇ ,? -Unsaturated C 5 -C 8 dicarboxylic acids and their anhydrides, and half esters of ⁇ , /? - unsaturated C 4 -C 8 - dicarboxylic acids.
- Unsaturated monocarboxylic acids such as acrylic acid and (meth) acrylic acid and their anhydrides are preferred; unsaturated dicarboxylic acids such as maleic acid, fumaric acid, itaconic acid and citraconic acid and their half esters with d-Ci 2 alkanols, such as monomethyl maleate and mono-n-butyl maleate.
- ethylenically unsaturated, ionic monomers MF1 are ethylenically unsaturated sulfonic acids such as vinylsulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid, 2-acryloxyethanesulfonic acid and 2-methacryloxyethanesulfonic acid, 3-acryloxy- and 3-methacryloxypropanesulfonic acid, vinylbenzenesulfonic acid, and ethylenically unsaturated phosphonic acids ,
- their salts can also be used, preferably their alkali metal or ammonium salts and particularly preferably their sodium salts, such as, for example, the sodium salts of vinylsulfonic acid and 2-acrylamidopropanesulfonic acid.
- the ethylenically unsaturated free acids mentioned are present in aqueous solution at pH 11 predominantly in the form of their conjugated bases in anionic form and, like the salts mentioned, can be referred to as anionic monomers.
- ionic monomers are monomers with cationic functionality, such as monomers based on quaternary ammonium groups.
- anionic monomers are preferred.
- ethylenically unsaturated, nonionic monomers are preferably understood to mean those ethylenically unsaturated compounds which have a water solubility of more than 50 g / l, preferably more than 80 g / l, at 25 ° C. and 1 bar and that in dilute aqueous solution at pH 2 and pH 11 mainly in non-ionic form.
- Preferred ethylenically unsaturated, nonionic monomers are both the amides of the carboxylic acids mentioned in connection with the ethylenically unsaturated, ionic monomers (M3), such as, for example, (meth) acrylamide and acrylamide, and also water-soluble N-vinyl lactams, such as, for example, N-vinylpyrrolidone, and also those compounds which are covalent as ethylenically unsaturated compounds contain bound polyethylene glycol units, such as polyethylene glycol mono- or diallyl ether or the esters of ethylenically unsaturated carboxylic acids with polyalkylene glycols.
- MF3 ethylenically unsaturated monomer
- R is R 1 is an unbranched or branched, optionally substituted alkyl radical having 3 to 12 carbon atoms, which can optionally be interrupted by an ether group, and R represents H or CH 3 .
- silanes are vinylmethyldimethoxysilane, vinylmethyldiethoxysilane, vinylmethyldi-n-propoxysilane, vinylmethyldi-iso-propoxysilane, vinylmethyldi-n-butoxysilane, vinylmethyl-di- sec-butoxysilane, vinylmethyl-di-tert-butoxysilane, vinylmethyl-di- (2-methoxyisopropyloxy) silane and vinylmethyl-dioctyloxysilane.
- Examples include ⁇ - (meth) acryloxypropyl-tris- (2-methoxyethoxy) -silane, ⁇ - (meth) acryloxypropyl-tris-methoxy-silane, ⁇ - (meth) acryloxypropyl-tris-ethoxysilane, ⁇ - (meth ) acryloxypropyl-tris-n-propoxy-silane, ⁇ - (meth) acryloxypropyl-tris-iso-propoxy-silane, ⁇ - (meth) acryloxypropyl-tris-butoxy-silane, ⁇ -acryloxypropyl-tris- (2-methoxyethoxy) -silane, ⁇ -acryloxypropyl-tris-methoxy-silane, ⁇ -acryloxypropyl-tris-ethoxy-silane, ⁇ -acryloxypropyl-tris-n-propoxy- silane, ⁇ -acryloxyprop
- ethylenically unsaturated monomers are nitriles ⁇ , ⁇ -monoethylenically unsaturated C 3 -C 8 -carboxylic acids, such as, for example, acrylonitrile and (meth) acrylonitrile, and also adhesion-improving and crosslinking monomers.
- C 4 -C 8 -conjugated dienes such as 1,3-butadiene, isoprene and chloroprene, can also be used as monomers (M6).
- the adhesion-improving monomers include both compounds which have an acetoacetoxy unit covalently bonded to the double bond system and compounds with covalently bonded urea groups.
- the first-mentioned compounds include, in particular, acetoacetoxyethyl (meth) acrylate and allyl acetoacetate.
- the urea group-containing compounds include, for example, N-vinyl and N-allyl urea and derivatives of imidazolidin-2-one, such as e.g.
- N-vinyl and N-allyl imidazolidin-2-one N-vinyloxyethylimidazolidin-2-one, N- (2- (meth) acrylamidoethyl) imidazolidin-2-one, N- (2- (meth) acryloxyethyl) imidazolidin-2-one, N- (2- (meth) acryloxyacetamidoethyl) imidazolidin-2-one, and further adhesion promoters known to the person skilled in the art based on urea or imidazolidin-2-one.
- Diacetone acrylamide in combination with the addition of adipic dihydrazide for dispersion is also suitable for improving the adhesion.
- the adhesion-promoting monomers can optionally be used in amounts of 0.1 to 10% by weight, preferably 0.5 to 5% by weight, based on the total amount of the monomers. However, the copolymers preferably do not contain any of these adhesion-promoting monomers in copolymerized form.
- Both bifunctional and polyfunctional monomers can be used as crosslinking monomers.
- Examples include diallyl phthalate, diallyl maleate, triallyl cyanurate, tetraallyloxyethane, divinylbenzene, butanediol-1,4-di (meth) acrylate, Triethylene glycol di (meth) acrylate, divinyl adipate, allyl (meth) acrylate, vinyl crotonate, methylene bisacrylamide, hexanediol diacrylate, pentaerythritol diacrylate and trimethylolpropane triacrylate.
- the crosslinking monomers can optionally be used in amounts of 0.02 to 5% by weight, preferably 0.02 to 1% by weight, based on the total amount of the monomers.
- Preferred monomer mixtures from the monomers M for the preparation of the copolymers are vinyl acetate / vinyl chloride / ethene, vinyl acetate / vinyl laurate / ethene, vinyl acetate / vinyl laurate / ethene / vinyl chloride, vinyl acetate / versatic acid vinyl ester / ethene / vinyl chloride, versatic acid vinyl ester / ethene / vinyl chloride,
- Monomer mixtures containing vinyl esters are particularly preferred because they mix more easily and in a wider range in the presence of Protective colloids containing hydroxyl groups can be prepared as corresponding monomer mixtures which contain no vinyl ester components.
- the dispersion used according to the invention contains at least one protective colloid and optionally at least one emulsifier.
- the protective colloids are polymeric compounds, for example with molecular weights greater than 2000 g / mol, whereas the emulsifiers are low molecular weight compounds whose relative molecular weights are below 2000 g / mol, for example.
- the dispersion used according to the invention contains hydroxyl-containing protective colloids which are distinguished by the fact that they contain ethylenically unsaturated radicals.
- the amounts of hydroxyl-containing protective colloid with ethylenically unsaturated radicals used are 0.05-25% by weight, preferably 0.1-20% by weight, particularly preferably 0.2-15% by weight, particularly preferably 0.3-10% by weight and very particularly preferably 0.4-5% by weight, based on the total mass of the monomers used to prepare the dispersion.
- Protective colloids containing hydroxyl groups are preferably used, the hydroxyl groups of which are at least partially substituted with ethylenically unsaturated radicals.
- cellulose ethers containing hydroxyl groups are particularly preferred, the hydroxyl groups of which are at least partially substituted with ethylenically unsaturated radicals.
- cellulose ethers can be obtained by etherification or alkylation of cellulose molecules.
- Cellulose molecules are made up of anhydroglucose units, three hydroxyl groups being present in each anhydroglucose unit, which can be reacted with etherification reagents and / or alkylation reagents and / or other compounds known to the person skilled in the art to give mixed cellulose ethers or substituted cellulose ethers.
- DS degree of substitution
- MS molecular degree of substitution
- cellulose ethers containing hydroxyl groups the hydroxyl groups of which are at least partially substituted with ethylenically unsaturated radicals
- alkenyl groups such as propenyl and butenyl group
- Hydroxyl-containing cellulose ethers are particularly preferred with an MS of unsaturated radicals Run sat ig t of 0.001 to 1, 0, preferably 0.003 to 0.5, most preferably 0.01 to 0,0,06 and even more preferably 0.02 to 0 , 04th
- the cellulose ethers can be obtained, for example, from methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, dihydroxypropyl cellulose, carboxymethyl cellulose, their esters and salts with sodium, potassium, calcium and ammonium ions, sulfoethyl cellulose, methyl hydroxyethyl cellulose, methyl hydroxypropyl cellulose, methyl dihydroxypropyl cellulose, methyl carboxymethylethyl cellyl ethyl cellulose, methyl carboxymethylethyl cellyl ethyl cellulose, methyl carboxymethylethyl cellyl cellulose , Ethylsulfoethyl cellulose, ethyl hydroxyethyl cellulose, dihydroxypropyl cellulose, sulfoethyl carboxymethyl cellulose, dihydroxypropylsulfoethyl cellulose, hydroxyethyl sulfoethyl cellulose,
- Runge x te d represent an alkenyl group having more than 2 carbon atoms, for example, propenyl or butenyl.
- propenyl-substituted and butenyl-substituted cellulose ethers of the hydroxyethyl cellulose, hydroxypropyl, dihydroxyethyl cellulose and dihydroxyethyl hydroxyethyl cellulose type are combined with a
- MSpr o p e nyi , b z w. b u te nyi from 0.001 to 1.0, preferably 0.003 to 0.5, very particularly preferably 0.01 to 0.0.06 and even more preferably 0.02 to 0.04.
- protective colloids containing hydroxyl groups are preferably also polyvinyl alcohols whose hydroxyl groups are at least partially substituted with ethylenically unsaturated radicals, as are disclosed, for example, in JP 1999 / 188,576.
- protective colloids can also be used.
- other protective colloids such as the natural substances starch, gum arabic, alginates or tragacanth, modified natural substances such as methyl, ethyl, hydroxyethyl or carboxymethyl cellulose or starch modified by means of saturated acids or epoxides as well as synthetic substances such as polyvinyl alcohol (with or without Residual acetyl content) or partially esterified or acetalized or polyvinyl alcohol etherified with saturated residues, as well as polypeptides such as gelatin, but also polyvinyl pyrrolidone, polyvinyl methylacetamide or poly (meth) acrylic acid.
- the proportion by weight of such additional protective colloids which may be present, based on the total amount of the monomers used for the preparation, is usually up to 15%.
- nonionic and / or ionic emulsifiers in addition to the protective colloids in the preparation of the dispersions, which, inter alia, can contribute to increasing the latex stability.
- Suitable nonionic emulsifiers are araliphatic and aliphatic nonionic emulsifiers, such as, for example, ethoxylated mono-, di- and trialkylphenols (EO grade: 3 to 50, alkyl radicals C 4 to C 9 ), ethoxylates of long-chain alcohols (EO grade: 3 to 50, Alkyl radical: C 8 to C 3 ⁇ ), and polyethylene oxide / polypropylene oxide block copolymers.
- ethoxylated mono-, di- and trialkylphenols EO grade: 3 to 50, alkyl radicals C 4 to C 9
- ethoxylates of long-chain alcohols EO grade: 3 to 50, Alkyl radical: C 8 to C 3 ⁇
- polyethylene oxide / polypropylene oxide block copolymers such as, for example, ethoxylated mono-, di- and trialkylphenols (EO grade: 3 to 50, alkyl radicals C 4 to C 9
- ethoxylates of long-chain alkanols alkyl radical: C ⁇ 0 to C 22 , average degree of ethoxylation: 3 to 50
- alkyl radical: C ⁇ 0 to C 22 average degree of ethoxylation: 3 to 50
- ethoxylates of long-chain alkanols alkyl radical: C ⁇ 0 to C 22 , average degree of ethoxylation: 3 to 50
- ethoxylates of long-chain alkanols alkyl radical: C ⁇ 0 to C 22 , average degree of ethoxylation: 3 to 50
- emulsifiers can be found in Houben-Weyl, Methods of Organic Chemistry, Volume XIV / 1, Macromolecular Substances, Georg-Thieme-Verlag, Stuttgart, 1961, pp. 192-208).
- Both anionic and cationic are suitable as ionic emulsifiers.
- the anionic emulsifiers include alkali and ammonium salts of alkyl sulfates (alkyl radical: C 8 to C 8 ), alkyl phosphonates (alkyl radical: C 8 to C 8 ), of sulfuric acid semiesters or phosphoric acid mono- and diesters of ethoxylated alkanols (EO grade: 2 to 50, Alkyl radical: C 8 to C 22 ) and ethoxylated alkylphenols (EO grade: 3 to 50, alkyl radical: C 4 to C 9 ), of alkyl sulfonic acids (alkyl radical: C12 to C 18 ), of alkylarylsulfonic acids (alkyl radical: Cg to C ⁇ 8 ) , of semi-succinic acid and diesters of sulfosuccinic acid from alkanols (Alkyl radical: C 8 to C 22 ) and ethoxylated alkanols (EO degree: 2 to 50
- the emulsifiers listed are used as technical mixtures, the details of the length of the alkyl radical and EO chain referring to the respective maximum of the distributions occurring in the mixtures.
- Examples from the emulsifier classes mentioned are ® Texapon K12 (sodium lauryl sulfate from Cognis), ® Emulsogen EP (C 13 -C ⁇ - alkyl sulfonate from Clariant), ® Maranil A 25 IS (sodium n-alkyl- (C 10 -C ⁇ 3 ) benzenesulfonate from Cognis), ® Genapol liquid ZRO (sodium C 12 / C 14 - alkyl ether sulfate with 3 EO units from Clariant), ® Hostapal BVQ-4
- Aerosol MA 80 sodium dihexylsulfosuccinate from Cyctec Industries
- Aerosol A-268 sodium isodecylsulfosuccinate from Cytec Industries
- Aerosol A-103 diisodium salt of a semi-ester of a non-sulfonated non-ethoxylated sulfonated non-ethoxylated sulfonate from Cytec Industries
- R 1 and R 2 are hydrogen or C -C 24 alkyl, preferably C 6 -Ci 6 alkyl and are not simultaneously hydrogen, and X and Y are alkali metal ions and / or ammonium ions.
- X and Y are alkali metal ions and / or ammonium ions.
- the compounds are generally known, for example from US Pat. No. 4,269,749, and are commercially available.
- ionic emulsifiers are also particularly suitable Gemini surfactants known to those skilled in the art, as described, for example, in the article “Gemini surfactants” by FM Menger and JS Keiper (Angew. Chem. 2000, pp. 1980-1996) and the publications cited therein.
- the cationic emulsifiers include, for example, alkylammonium acetates (alkyl radical: C 8 to C 12 ), quaternary compounds containing ammonium groups and pyridinium compounds.
- ionic emulsifiers care must be taken to ensure that incompatibilities in the resulting plastic dispersion, which can lead to coagulation, can be excluded.
- Anionic emulsifiers in combination with anionic monomers or cationic emulsifiers in combination with cationic monomers are therefore preferably used, the combinations of anionic emulsifiers and anionic monomers being particularly preferred.
- both ionic and nonionic emulsifiers can be used which contain one or more unsaturated double bond units as additional functionality and can be incorporated into the resulting polymer chains during the polymerization process.
- These compounds referred to as copolymerizable emulsifiers (“surfmers”), are generally known to the person skilled in the art. Examples can be found in a number of publications (for example “Reactive surfactants in heterophase polymerization” by A. Guyot et al. In Acta Polym. 1999, p. 57-66) and are commercially available (for example ® Emulsogen R 208 from Clariant or Trem LF 40 from Cognis).
- any emulsifiers used are within the usual limits. A total of up to about 10% by weight, preferably up to 5% by weight, based on the total amount of the monomers used to prepare the dispersions, is therefore used. Mixtures of ionic and nonionic emulsifiers are generally used, but ionic and nonionic emulsifiers can also be used alone for additional stabilization of the dispersions. Free radical polymerization initiators for starting and continuing the polymerization during the preparation of the dispersions are all known initiators which are capable of starting a free-radical, aqueous polymerization, preferably an emulsion polymerization.
- redox initiators which are composed of at least one organic and / or inorganic reducing agent and at least one peroxide and / or hydroperoxide, such as, for example, tert-butyl hydroperoxide, can also be used as polymerization initiators
- Sulfur compounds e.g. the sodium salt of hydroxymethanesulfinic acid, sodium sulfite, sodium disulfite, sodium thiosulfate and acetone bisulfite adduct, or hydrogen peroxide with ascorbic acid; reducing sugars can also be used as further reducing agents which form radicals with peroxides.
- Combined systems can also be used which contain a small amount of a metal compound which is soluble in the polymerization medium and whose metallic component can occur in several valence stages, such as e.g.
- Ascorbic acid / iron (II) sulfate / hydrogen peroxide with the sodium salt of hydroxymethanesulfinic acid, acetone bisulfite adduct, sodium sulfite, sodium bisulfite or sodium bisulfite often being used instead of ascorbic acid and organic peroxides such as e.g. tert-butyl hydroperoxide or alkali peroxodisulfate and / or ammonium peroxodisulfate can be used.
- acetone bisulfite adduct instead of the acetone bisulfite adduct mentioned, it is also possible to use further bisulfite adducts known to the person skilled in the art, as described, for example, in EP-A-0 778 290 and in the references cited therein.
- Further preferred initiators are peroxodisulfates, e.g. Sodium.
- the amount of the free-radical initiator systems used is preferably 0.05 to 2.0% by weight, based on the total amount of the monomers to be polymerized.
- the molecular weight of the homopolymers and / or copolymers of the dispersions can be adjusted by adding small amounts of one or more substances which regulate the molecular weight.
- These so-called “regulators” are generally in an amount of up to 2% by weight, based on the monomers to be polymerized. All substances known to the person skilled in the art can be used as “regulators”. Preferred are, for example, organic thio compounds, silanes, allyl alcohols and aldehydes.
- the dispersion can also contain a number of other substances, such as plasticizers, preservatives, agents for adjusting the pH and / or defoamers.
- the preparation of the aqueous plastic dispersions which are suitable according to the invention is not critical.
- the preferred emulsion polymerization or another type of polymerization, such as suspension or solution polymerization can be carried out either in a batch mode or else preferably in a semi-continuous process.
- the bulk, i.e. at least 70% by weight, preferably at least 90% by weight, of the monomers to be polymerized are fed continuously, including the step or gradient procedure, to the polymerization batch. This procedure is also referred to as the monomer feed process, with metering of gaseous monomers, liquid monomer mixtures,
- the individual monomers can be metered in by separate feeds.
- the emulsion polymerization can also be carried out by the seed latex process or in the presence of seed latices prepared in situ.
- Such methods are known and are described in a large number of patent applications (e.g. EP-A-0 040 419 and EP-A-0 567 812) and publications ("Encyclopedia of Polymer Science and Technology", vol. 5, John Wiley & Sons Inc., New York 1966, p. 847).
- aqueous plastic dispersions suitable for the purposes of the invention are largely free of odorants, such as e.g.
- odorants such as e.g.
- the lowering of the residual monomers can also be done chemically by radical postpolymerization, in particular by the action of redox initiator systems, such as those e.g. are described in DE-A-44 35423.
- Postpolymerization with a redox initiator system composed of at least one organic peroxide and an organic and / or inorganic sulfite is preferred.
- a combination of physical and chemical methods is particularly preferred, wherein after the residual monomer content has been reduced by chemical postpolymerization, the residual monomer content is further reduced by means of physical methods to preferably ⁇ 1000 ppm, particularly preferably ⁇ 500 ppm, in particular ⁇ 100.
- additional feedstocks which may be present in the aqueous binder-containing coating compositions according to the invention depend on the particular field of use desired.
- the aqueous binder-containing coating compositions according to the invention can be used as primers, clearcoats, adhesives or also food coatings.
- these coating compositions optionally contain rheology-modifying additives and / or further components, such as defoamers known to the person skilled in the art, anti-slip additives, color pigments, antimicrobial preservatives, plasticizers and film-forming aids.
- rheology-modifying additives and / or further components such as defoamers known to the person skilled in the art, anti-slip additives, color pigments, antimicrobial preservatives, plasticizers and film-forming aids.
- Another preferred embodiment of the present invention are pigment-containing, aqueous binder-containing coating compositions.
- Emulsion paints generally contain 30 to 75% by weight, preferably 40 to 65% by weight, of non-volatile constituents. This includes all components of the coating agent apart from water, but at least the total amount of solid binder, filler, pigment, and auxiliaries, such as plasticizers, rheology modifiers, preservatives or defoamers.
- non-volatile constituents a) 3 to 90% by weight, particularly preferably 10 to 60% by weight, are preferably used for the
- Solids content of the at least one binder b) 5 to 85% by weight, particularly preferably 10 to 60% by weight, to at least one
- Solvent-free and plasticizer-free, aqueous coating compositions are particularly preferred.
- the pigment volume concentration (PVC) of the pigment-containing, aqueous binder-containing coating compositions according to the invention is generally above 5%, preferably in the range from 10 to 90%.
- the PVCs are either in the range from 10 to 45% or in the range from 60 to 90%, in particular 70 to 90%.
- pigments known to the person skilled in the art for the stated purpose can be used as pigments.
- Preferred pigments for the aqueous binder-containing coating compositions according to the invention, preferred for emulsion paints are, for example, titanium dioxide, preferably in the rutile form, barium sulfate, zinc oxide, zinc sulfide, basic lead carbonate, antimony trioxide and lithopone (zinc sulfide and barium sulfate).
- the aqueous preparations can also contain colored pigments, for example iron oxides, carbon black, graphite, luminescent pigments, zinc yellow, zinc green, ultramarine,
- the preparations according to the invention can also contain organic color pigments, for example sepia, rubber belt, Kasseter Braun, toluidine red, pararot, Hansa yellow, indigo, azo dyes, anthraquinones and indigoide dyes, and also dioxazine, quinacridone, phthalocyanine, isoindolinone and metal complex pigments.
- organic color pigments for example sepia, rubber belt, Kasseter Braun, toluidine red, pararot, Hansa yellow, indigo, azo dyes, anthraquinones and indigoide dyes, and also dioxazine, quinacridone, phthalocyanine, isoindolinone and metal complex pigments.
- fillers are aluminosilicates, e.g. Feldspar, silicates, e.g. Kaolin, talc, mica, magnesite,
- aluminosilicates e.g. Feldspar
- silicates e.g. Kaolin, talc, mica, magnesite
- Alkaline earth carbonates e.g. Calcium carbonate, for example in the form of calcite or chalk, magnesium carbonate, dolomite, alkaline earth metal sulfates, such as e.g. Calcium sulfate, and silicon dioxide.
- the fillers can be used either as individual components or as filler mixtures. In practice, filler mixtures such as e.g. Calcium carbonate / kaolin and calcium carbonate / talc. Resin-bound plasters can also contain coarse aggregates, such as sands or sandstone granules.
- Finely divided fillers are generally preferred in emulsion paints. To increase the opacity and to save white pigments, it is often preferred to use finely divided fillers such as e.g. precipitated calcium carbonate or mixtures of different calcium carbonates with different particle sizes used. Mixtures of color pigments and fillers are preferably used to adjust the opacity of the color tone and the color depth.
- auxiliaries include wetting or dispersing agents, such as sodium, potassium or ammonium polyphosphates, alkali metal and ammonium salts of Polyacrylic acids and of polymaleic acid, polyphosphonates such as 1-hydroxyethane-1, 1-diphosphonic acid sodium and naphthalenesulfonic acid salts, in particular their sodium salts.
- Suitable amino alcohols such as 2-amino-2-methylpropanol, can also be used as dispersants.
- the dispersants or wetting agents are preferably used in an amount of 0.1 to 2% by weight, based on the total weight of the emulsion paint.
- the auxiliaries can also comprise thickeners, for example cellulose derivatives, such as methyl cellulose, hydroxyethyl cellulose and carboxymethyl cellulose, also casein, gum arabic, tragacanth, starch, sodium alginate, polyvinyl alcohol, polyvinyl pyrrolidone, sodium polyacrylates, water-soluble copolymers based on acrylic and (meth) acrylic acid / acrylic acid, such as acrylic acid - and (meth) acrylic acid / acrylic ester copolymers and so-called association thickeners, such as styrene-maleic anhydride polymers or preferably hydrophobically modified polyether urethanes (HEUR) known to the person skilled in the art, hydrophobically modified acrylic acid copolymers (HASE) and polyether polyols.
- thickeners for example cellulose derivatives, such as methyl cellulose, hydroxyethyl cellulose and carboxymethyl cellulose, also casein, gum arabic, tragacanth, star
- inorganic thickeners e.g. Bentonite or hectorite can be used.
- the thickeners are preferably used in amounts of 0.1 to 3% by weight, particularly preferably 0.1 to 1% by weight, based on the total weight of the aqueous coating composition.
- the aqueous coating compositions according to the invention can also contain crosslinking additives.
- Such additives can be: aromatic ketones, e.g. Alkylphenyl ketones, which may have one or more substituents on the phenyl ring, or benzophenone and substituted benzophenones as photoinitiators. Suitable photoinitiators for this purpose are e.g. in the
- Suitable crosslinking compounds are also water-soluble compounds having at least two amino groups, for example dihydrazides of aliphatic dicarboxylic acids, such as those For example, be disclosed in DE-A-39 01 073 when monomers containing carbonyl groups have been copolymerized in the preparation of the aqueous plastic dispersion suitable according to the invention.
- Coating agents waxes based on paraffins and polyethylene, as well as matting agents, defoamers, preservatives or water repellents, biocides, fibers and other additives known to those skilled in the art can be used.
- the pigment-containing, aqueous coating compositions according to the invention can of course also contain solvents and / or plasticizers as film-forming aids.
- Film-forming aids are generally known to the person skilled in the art and can usually be used in amounts of 0.1 to 20% by weight, based on the solid binder contained in the coating agent, so that the aqueous coating agent preferably has a minimum film-forming temperature of less than 15 ° C. in the range from 0 to 10 ° C.
- the present invention also relates to the thixotropic coating compositions obtainable after adding a thixotropic agent, in particular metal chelates, from the aqueous binder-containing coating compositions according to the invention.
- Suitable metal chelates are the compounds which are usually used for thixotropy purposes in aqueous emulsion paints and are derived primarily from titanium and zirconium.
- reaction products of isopropyl, n-butyl and other low molecular weight orthoesters of titanium acid with one or more compounds from at least one of the following classes of substances are suitable as titanium chelates:
- glycols with at least two free hydroxyl groups such as the alkylene glycols 1, 2-ethanediol (ethylene glycol), 1, 2-propanediol, 1, 3 propanediol, 1, 2-butylene glycol. 2-methyl-2,4-pentanediol; 2.
- Glycol ether with at least one free hydroxyl group such as the monoalkyl ether of an alkylene glycol with up to 6 carbon atoms. Examples of such glycol ethers are C1-C4 monoalkyl ethers on ethylene glycol, diethylene glycol or of triethylene glycol, such as 2-methoxyethanol,
- Alkanolamines this class comprising both mono-, di- and trialkanolamines.
- Typical alkanolamines are monoethanolamine, diethanolamine, triethanolamine, diisopropanolamine, triisopropanolamine, methyldiethanolamine,
- Alpha-hydroxycarboxylic acids such as hydroxymonocarboxylic acids and hydroxydicarboxylic acids, which may contain one or more hydroxyl groups per molecule, provided that it is at least one
- Carboxyl group is alpha-hydroxyl group, such as lactic acid, glyoxylic acid, or tartaric acid;
- B-keto-carbonyl compounds such as? -Diketones and /? -Keto-carboxylic acids.
- a compound frequently used from this class of substances is, for example, acetylacetone.
- reaction products in pure form are not necessary, i.e. the chelates formed can remain dissolved in the alcohol released.
- the alcohol released can be separated off by distillation, the resulting products are difficult to handle because of their sometimes high viscosity.
- the titanium chelates are often reaction products with only one compound from only one of the substance classes mentioned, for example water-soluble titanium complexes of alpha-hydroxy acids and their barium, calcium, strontium or magnesium salts, and their preparation in the UK A 811 524 and in US-A 2,453,520.
- water-soluble titanium complexes of alpha-hydroxy acids and their barium, calcium, strontium or magnesium salts and their preparation in the UK A 811 524 and in US-A 2,453,520.
- titanium chelates with delayed gel action which are derived from the reaction of titanium acid with a combination of glycols / glycol ethers, alkanolamines and ⁇ -hydroxycarboxylic acids.
- titanium chelates produced from the reaction of titanium acid with alkanolamines are particularly preferred.
- examples of these widely used thixotropic agents include. a. the commercially available products Vertec® AT23, Vertec® AT33.
- Suitable zirconium compounds are, for example, those by reacting
- Zirconyl carbonate with acetic acid, methacrylic acid or coconut oil fatty acid and isopropanol produced thixotropic agents, which are described for example in US-A 3,280,050.
- thixotropic agents can the invention
- Coating agents are added in amounts between 0.05 and 5% by weight, preferably 0.1 to 2% by weight, based on the total amount of the coating agent.
- the thixotropic agents can also be added to the pigment pastes used in the course of the production of pigment-containing, aqueous thixotropic coating agents immediately before mixing with the plastic dispersion.
- the rheology of the aqueous, optionally pigment-containing, thixotropic coating compositions aimed for according to the invention does not usually occur immediately after all the ingredients necessary for this property have been put together, but only over the course of several hours, occasionally only after days, and is further reinforced during storage.
- the thickening 24 hours after the completion of the aqueous thixotropic coating composition has progressed to such an extent that the desired advantages in terms of use are already clearly present and the
- the aqueous coating compositions according to the invention are stable, fluid systems which can be used for coating and / or for bonding a large number of substrates. Consequently, the present invention also relates to methods for coating and / or gluing substrates and the coating compositions, including the adhesives themselves.
- Suitable substrates are, for example, wood, concrete, metal, glass, ceramics, plastics, plasters, wallpaper, paper, coated, primed or weathered surfaces.
- the coating agent is applied to the substrate to be coated in a manner dependent on the configuration of the coating agent. Depending on the viscosity and pigment content of the coating agent and the substrate, the application can be carried out by means of rollers, brushes, doctor blades, nozzles or as a spray.
- the vinyl acetate / ethylene dispersions produced in the examples are carried out in a 70 l pressure autoclave with jacket cooling and an approved pressure range up to 160 bar.
- Vinyl acetate / VeoValO / butyl acrylate dispersions are carried out in a 31 glass reactor.
- the parts and percentages used in the following examples relate to the weight, unless stated otherwise.
- the viscosity of the dispersions are determined using a Haake rotary viscometer (Rheomat ® VT 500) at room temperature and a shear rate of 17.93 s "1 .
- the mean particle size and the particle size distribution are determined by laser and white light aerosol spectroscopy.
- the particle sizes given correspond to the particle diameter after drying.
- the residual monomer amounts given in the examples are determined by gas chromatography (GC).
- the minimum film-forming temperature (MFT) of the polymer dispersions is determined in accordance with Ullmann's Encyclopedia of Industrial Chemistry, 4th Edition, Volume 19, VCH Weinheim 1980, p.17.
- a so-called film image bank is used as the measuring device, which consists of a metal plate to which a temperature gradient is applied and to which temperature sensors are attached at various points for temperature calibration, the temperature gradient being selected such that one end of the film image bank is at a temperature above the expected one MFT and the other end has a temperature below the expected MFT.
- the aqueous polymer dispersion is now applied to the film-forming bench.
- a clear film forms on drying in the areas of the film image bank, the temperature of which is above the MFT, whereas cracks occur in the cooler areas and a white powder forms at even lower temperatures.
- the MFT is determined visually as the temperature at which a crack-free film is present for the first time.
- the glass transition temperature of the individual polymerization stages is approximately calculated taking into account the main monomers according to the Fox equation.
- the glass transition temperatures of the corresponding to the individual monomers homopolymers are used, as are described in Ullmann's Encyclopaedia of Industrial Chemistry, VCH Weinheim, Vol. A 21 (1992) p 169 or in Brandrup, EH Immergut, Polymer Handbook 3rd ed J. Wiley, New York 1989.
- For ethene a glass transition temperature of the homopolymer of 148 K see Brandrup, EH Immergut Polymer Handbook 3 ed rd, J.
- the monomer mixture used consists of 25% VeoVa®10 (vinyl ester ⁇ -branched ClO-carboxylic acids, Shell), 67% vinyl acetate and 8% butyl acrylate. 992.9 g of deionized water are placed in a 3 liter reactor with flat grind and cover and 11.7 g of hydroxyethyl cellulose (Tylose H20 Clariant GmbH) are added and dissolved at room temperature with stirring. Then add in sequence: 2.92 g of sodium acetate
- the emulsion is heated to a temperature of 70 ° C. in the course of 30 minutes, with 51.4 g of initiator solution I (10% sodium persulfate solution in water) being added beforehand when the internal temperature has reached 60 ° C. After a 15-minute waiting period at 70 ° C., 1051.3 g of monomer mixture are added via a dropping funnel within 180 minutes. When the monomer metering has ended, 24.5 g of initiator solution II (5% strength sodium persulfate solution in water) are added and stirring is continued for a further 120 minutes at an internal temperature of 70 ° C. The dispersion is then cooled.
- Table 1 The properties of the dispersion are summarized in Table 1.
- This dispersion is prepared analogously to Example A1. Instead of 11.7 g of Tylose H20, 23.4 g are used. The properties of the dispersion are summarized in Table 1.
- This dispersion is prepared analogously to Example A1. Instead of 11.7 g Tylose H20, 11.7 g of Tylose H200 (Clariant GmbH) are used. The properties of the dispersion are summarized in Table 1.
- Example A4 This dispersion is prepared analogously to example A1. Instead of 11.7 g of Tylose H20, 23.4 g of Tylose H200 (Clariant GmbH) are used. The properties of the dispersion are summarized in Table 1.
- This dispersion is prepared analogously to Example A1. Instead of 11.7 g of Tylose H20, 11.7 g of Tylose HL 40 AM (Clariant GmbH) are used. The properties of the dispersion are summarized in Table 1.
- a solution consisting of the following components is introduced: 14,825 g of water
- the pH of the template is 6.9.
- the apparatus is freed from atmospheric oxygen by evacuating twice and venting with nitrogen. It is evacuated a third time and a total of 350 g of ethene is pressed into the apparatus. Thereafter, the ethene feed is closed and are metered in 3170 g of vinyl acetate and 2.82 g Rongalit C ® (BASF) dissolved in 208 g of water. The internal temperature is then increased to 60 ° C. When the internal temperature has reached 50 ° C., a mixture of 4.0 g of an aqueous 70% strength tert-butyl hydroperoxide solution and 208 g of water is metered in and the mixture is cooled to remove the heat of reaction.
- BASF Rongalit C ®
- the ethene valve is opened and the internal pressure of the boiler is increased to 40 bar at an internal temperature of 60 ° C. by metering in ethene.
- the internal pressure of the boiler is increased to 40 bar at an internal temperature of 60 ° C. by metering in ethene.
- After reaching a vessel internal pressure of 40 bar g internal temperature within 270 minutes at 60 ° C 21400 vinyl acetate, and a solution of 18.8 g of Rongalit C ® in 1389 g of water and a mixture of 27.0 g of an aqueous 70% tert .-Butyl hydroperoxide solution and 1389 g of water are metered in.
- the ethene supply remains open at an internal pressure of 40 bar until a further 3172 g of ethene have been metered in.
- the internal pressure in the boiler after cooling to 30 ° C is 1.7 bar.
- the internal pressure in the boiler after cooling to 30 ° C is 1.0 bar.
- the properties of the dispersion are summarized in Table 1.
- the internal pressure in the boiler after cooling to 30 ° C is 0.8 bar.
- the properties of the dispersion are summarized in Table 1.
- H20 Tylose H20, Clariant GmbH
- H200 Tylose H200, Clariant GmbH
- HL 40 AM Tylose HL 40 AM, allyl-modified hydroxyethyl cellulose from Clariant GmbH
- 250 GR Natrosol 250 GR, Hercules
- pphm amounts used in parts by weight based on 100 parts by weight of monomer.
- aqueous polymer dispersions A1 to A5 become solvent-based
- Solvent-free and plasticizer-free interior paints are formulated from the aqueous polymer dispersions A6 to A17. To do this, the following components are first placed in a vessel:
- the pigment volume concentration (PVC) of the solvent-free and plasticizer-free interior paints is approx. 50.3%; the interior paints of Examples B6 to B17 were produced using the dispersions A6 to A17 given in the table below:
- the gel strength is in an ICI gel
- Thixotropy was carried out in each case in the% by weight given in the following tables, based on the total weight of the emulsion paint.
- the gel strengths listed in Table 2-4 strongly depend on the composition of the dispersions used for the production of the dispersion paints B1-B17, so that they can only be compared with one another when the dispersions are of the same type.
- Examples C1-C5 show that the aqueous coating composition B5 according to the invention is distinguished from the comparison colors B1-B4 by drastically improved thixotropy properties.
- the gloss paint B5 according to the invention shows a significantly higher thixotropic property (gel strength) both with the same but also a lower amount of titanium chelate (compare examples C5b and C5c versus C1c, C2c, C3c and C4c). This applies above all to the glossy colors B2 and B4, which were formulated with dispersions which were produced in the presence of a double amount of protective colloid containing hydroxyl groups (C5 versus C2 and C4).
- the interior paint examples C6-C17 substantiate that the effect according to the invention occurs both independently of the emulsifier system of the dispersions used to prepare the interior paints (compare in each case C6-C8, C9-C11, C12-C14, C15-C17), and independently of it whether the dispersions were produced using a single-stage or multi-stage polymerization process.
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- Wood Science & Technology (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10207925A DE10207925A1 (de) | 2002-02-23 | 2002-02-23 | Wässrige Beschichtungszusammensetzungen, Verfahren zu deren Herstellung, sowie deren Verwendung, insbesondere zur Herstellung von thixotropen Beschichtungszusammensetzungen |
| DE10207925 | 2002-02-23 | ||
| PCT/EP2003/001487 WO2003070835A2 (de) | 2002-02-23 | 2003-02-14 | Wässrige beschichtungszusammensetzungen, verfahren zu deren herstellung, sowie deren verwendung insbesondere zur herstellung von thixotropen beschichtungszusammensetzungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1481028A2 true EP1481028A2 (de) | 2004-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03706509A Withdrawn EP1481028A2 (de) | 2002-02-23 | 2003-02-14 | Wassrige beschichtungszusammensetzungen verfahren zu deren herstellung sowie deren verwendung insbesondere zur herstellung von thixotropen beschichtungszusammensetzungen |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20050124759A1 (de) |
| EP (1) | EP1481028A2 (de) |
| DE (1) | DE10207925A1 (de) |
| WO (1) | WO2003070835A2 (de) |
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| JP2014523958A (ja) * | 2011-07-28 | 2014-09-18 | ハーキュリーズ・インコーポレーテッド | 溶解促進水溶性添加剤を伴う易溶解性の固体非イオン性合成会合型増粘剤 |
| BR112014029112B1 (pt) | 2012-06-06 | 2021-01-05 | Dow Global Technologies, Llc | processo para produzir uma dispersão multicolorida, dispersão multicolorida, e, composição de revestimento |
| US10364196B2 (en) * | 2013-05-21 | 2019-07-30 | James Hardie Technology Limited | Multi-functional coating system for cementitious composite materials |
| CN103382724B (zh) * | 2013-06-27 | 2015-01-28 | 中建七局安装工程有限公司 | 水池乙烯基酯防腐施工方法 |
| AU2015389013B2 (en) | 2015-03-31 | 2020-08-27 | Dow Global Technologies Llc | A binder composition and a paint formulation made thereof |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2620189C3 (de) * | 1976-05-07 | 1980-06-12 | Hoechst Ag, 6000 Frankfurt | Thixotrope Mischung |
| US4565857A (en) * | 1984-11-21 | 1986-01-21 | Minnesota Mining And Manufacturing Company | Radiation-curable cellulose coating |
| JPS61270248A (ja) * | 1985-05-23 | 1986-11-29 | 大日本インキ化学工業株式会社 | セメント用組成物 |
| JP2811773B2 (ja) * | 1989-07-25 | 1998-10-15 | 大日本インキ化学工業株式会社 | 水性被覆組成物ならびにそれを用いる塗装方法 |
| DE4015158A1 (de) * | 1990-05-11 | 1991-11-14 | Wolff Walsrode Ag | Alkenylmethylhydroxypropylcelluloseether und ein verfahren zu ihrer herstellung |
| DE4133677A1 (de) * | 1991-10-11 | 1993-04-15 | Wolff Walsrode Ag | 3-allyloxy-2-hydroxypropylether |
| US5504123A (en) * | 1994-12-20 | 1996-04-02 | Union Carbide Chemicals & Plastics Technology Corporation | Dual functional cellulosic additives for latex compositions |
| US5618876A (en) * | 1995-06-05 | 1997-04-08 | National Starch And Chemical Investment Holding Corporation | Latex binders and coatings containing polymers derived from polymerizable saccharide monomers |
| DE19620817A1 (de) * | 1996-05-23 | 1997-11-27 | Wacker Chemie Gmbh | Flexible Baustoffmassen |
| DE19708531A1 (de) * | 1997-03-03 | 1998-09-10 | Clariant Gmbh | 2-Propenylgruppen enthaltende Celluloseether und deren Verwendung als Schutzkolloide bei Polymerisationen |
| DE19751712A1 (de) * | 1997-11-21 | 1999-05-27 | Clariant Gmbh | Butenylgruppen enthaltende Celluloseether und deren Verwendung als Schutzkolloide bei Polymerisationen |
-
2002
- 2002-02-23 DE DE10207925A patent/DE10207925A1/de not_active Withdrawn
-
2003
- 2003-02-14 US US10/504,254 patent/US20050124759A1/en not_active Abandoned
- 2003-02-14 EP EP03706509A patent/EP1481028A2/de not_active Withdrawn
- 2003-02-14 WO PCT/EP2003/001487 patent/WO2003070835A2/de not_active Ceased
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| Title |
|---|
| See references of WO03070835A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003070835A2 (de) | 2003-08-28 |
| DE10207925A1 (de) | 2003-09-04 |
| WO2003070835A3 (de) | 2004-01-22 |
| US20050124759A1 (en) | 2005-06-09 |
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