EP3191557A1 - Oberflächenvergütung auf basis von vernetzbaren gesättigten polyesterharzen und fluorpolymeren - Google Patents
Oberflächenvergütung auf basis von vernetzbaren gesättigten polyesterharzen und fluorpolymerenInfo
- Publication number
- EP3191557A1 EP3191557A1 EP15753930.5A EP15753930A EP3191557A1 EP 3191557 A1 EP3191557 A1 EP 3191557A1 EP 15753930 A EP15753930 A EP 15753930A EP 3191557 A1 EP3191557 A1 EP 3191557A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- formulation
- formulation according
- functional
- 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.)
- Ceased
Links
- 229920002313 fluoropolymer Polymers 0.000 title claims description 25
- 239000004811 fluoropolymer Substances 0.000 title claims description 23
- 229920001225 polyester resin Polymers 0.000 title description 3
- 239000004645 polyester resin Substances 0.000 title description 3
- 229920006395 saturated elastomer Polymers 0.000 title description 2
- 238000000576 coating method Methods 0.000 claims abstract description 74
- 239000011248 coating agent Substances 0.000 claims abstract description 58
- 239000000203 mixture Substances 0.000 claims description 74
- 238000009472 formulation Methods 0.000 claims description 66
- 229920000728 polyester Polymers 0.000 claims description 33
- 239000000758 substrate Substances 0.000 claims description 32
- 239000002253 acid Substances 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 230000007797 corrosion Effects 0.000 claims description 15
- 125000001931 aliphatic group Chemical group 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 150000007513 acids Chemical class 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 11
- 229920005862 polyol Polymers 0.000 claims description 11
- 150000003077 polyols Chemical class 0.000 claims description 11
- -1 bismuth organic compounds Chemical class 0.000 claims description 9
- 150000002009 diols Chemical class 0.000 claims description 9
- 238000004132 cross linking Methods 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 6
- 239000012963 UV stabilizer Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 6
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 239000004971 Cross linker Substances 0.000 claims description 5
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 229920002050 silicone resin Polymers 0.000 claims description 5
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000006120 scratch resistant coating Substances 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 4
- 239000004711 α-olefin Substances 0.000 claims description 4
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims description 3
- 150000001343 alkyl silanes Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000012948 isocyanate Substances 0.000 claims description 3
- 239000002346 layers by function Substances 0.000 claims description 3
- ATOUXIOKEJWULN-UHFFFAOYSA-N 1,6-diisocyanato-2,2,4-trimethylhexane Chemical compound O=C=NCCC(C)CC(C)(C)CN=C=O ATOUXIOKEJWULN-UHFFFAOYSA-N 0.000 claims description 2
- QGLRLXLDMZCFBP-UHFFFAOYSA-N 1,6-diisocyanato-2,4,4-trimethylhexane Chemical compound O=C=NCC(C)CC(C)(C)CCN=C=O QGLRLXLDMZCFBP-UHFFFAOYSA-N 0.000 claims description 2
- NAUBYZNGDGDCHH-UHFFFAOYSA-N N=C=O.N=C=O.CCCC(C)C Chemical compound N=C=O.N=C=O.CCCC(C)C NAUBYZNGDGDCHH-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229920003180 amino resin Polymers 0.000 claims description 2
- JGCWKVKYRNXTMD-UHFFFAOYSA-N bicyclo[2.2.1]heptane;isocyanic acid Chemical compound N=C=O.N=C=O.C1CC2CCC1C2 JGCWKVKYRNXTMD-UHFFFAOYSA-N 0.000 claims description 2
- 238000007334 copolymerization reaction Methods 0.000 claims description 2
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical group CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 235000005985 organic acids Nutrition 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 150000003512 tertiary amines Chemical class 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 31
- 239000000463 material Substances 0.000 description 14
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000008199 coating composition Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 150000008064 anhydrides Chemical class 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 239000012975 dibutyltin dilaurate Substances 0.000 description 4
- 150000001991 dicarboxylic acids Chemical class 0.000 description 4
- 238000005227 gel permeation chromatography Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000005240 physical vapour deposition Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000012876 carrier material Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 2
- 238000000825 ultraviolet detection Methods 0.000 description 2
- LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 1
- PMUPSYZVABJEKC-UHFFFAOYSA-N 1-methylcyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1(C)CCCCC1C(O)=O PMUPSYZVABJEKC-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 1
- WJIOHMVWGVGWJW-UHFFFAOYSA-N 3-methyl-n-[4-[(3-methylpyrazole-1-carbonyl)amino]butyl]pyrazole-1-carboxamide Chemical compound N1=C(C)C=CN1C(=O)NCCCCNC(=O)N1N=C(C)C=C1 WJIOHMVWGVGWJW-UHFFFAOYSA-N 0.000 description 1
- XZOYHFBNQHPJRQ-UHFFFAOYSA-N 7-methyloctanoic acid Chemical compound CC(C)CCCCCC(O)=O XZOYHFBNQHPJRQ-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Natural products CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N Tetraethylene glycol, Natural products OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
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- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
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- 150000001298 alcohols Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 238000009835 boiling Methods 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
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- 230000032798 delamination Effects 0.000 description 1
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- YKYONYBAUNKHLG-UHFFFAOYSA-N n-Propyl acetate Natural products CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 1
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- 229920001709 polysilazane Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229940090181 propyl acetate Drugs 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C09D127/00—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 halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/423—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing cycloaliphatic groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
- C08G18/5015—Polyethers having heteroatoms other than oxygen having halogens having fluorine atoms
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
- C08L2205/20—Hollow spheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of 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 halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of 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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of 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 halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- 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
- C09D127/00—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 halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
Definitions
- the present invention relates to a technology for the equipment of, in particular metallic, materials for the demanding outdoor use with a high-quality and weather-resistant coating.
- a stress caused by the weather is unavoidable in outdoor materials. Such a stress is caused in particular by the UV component of the solar radiation, via a wide variety of corrosion mechanisms
- Metal substrate-based materials are also subject to a
- WO 2014002964 describes powder coating formulations based on fluoropolymer resin and polyester polymers, which is an incompatible system with targeted separation of both species.
- the polyester component has aromatic structural units which, in principle, are counterproductive from the viewpoint of aesthetics in view of their lability under the influence of solar radiation for a stressed exterior application.
- JP03-098276 A describes a formulation for powder coating, consisting u. a. from a fluoropolymer and a crosslinkable polyester component.
- JP10-324843 A describes a coating resin formulation with the combination of weathering and oil resistance and with the focus of the lowest possible
- Solvent content based on a hydroxy-functional fluoropolymer of a certain (high) OH number, the interpretation of which refers to the intended
- AU 2002332335 B2 or WO 03/029368 A1 describes a formulation for
- Powder coating prepared from a fluoropolymer resin-based mixture with individual components of different glass transition temperature, in order to ensure
- polyester resins can also be used as an option.
- Fluoroethylene-vinyl ether based coating formulation Fluoroethylene-vinyl ether based coating formulation.
- polyester diols are used as co-binder or for the preparation of
- Binder mixtures not suitable. The adverse impact on flexibility would be too high in this case.
- PVDF paints which, however, have significant design disadvantages, since only the middle gloss range (25-35 gloss units, measured in the Gardner test at 60 °) can be realized. Furthermore, such coatings have a comparatively low surface hardness.
- the object of the present invention is to provide improved
- Coatings in particular for metallic materials, which ideally enable a lasting corrosion protection, as coloring coatings or Decoration can be used, a design-appropriate surface design
- the surface finishing should be easy and cost-effective to produce and apply.
- Essential in the present invention is the representation of - not obvious to those skilled in - compatible mixtures of polyester polyols with fluoropolymer polyols; in particular, such mixtures, which are the above-mentioned complex
- a first subject of the present invention is a formulation for
- Fluoropolymers 5 to 70 wt .-% polyester based on di- or polycarboxylic acids or derivatives thereof and aliphatic or cycloaliphatic diols or polyols, wherein at least one aliphatic or cycloaliphatic di- or polycarboxylic acid or derivatives thereof must be contained in the polyester, 2 to 25 wt .-%, crosslinker, 0.01 to 2 wt .-% crosslinking catalysts, up to 20 wt .-% UV absorber and up to 10 wt .-% UV stabilizers.
- the fluoropolymers and the polyesters in total preferably constitute from 20 to 75% by weight of the formulation.
- the weights of the individual constituents of the formulations according to the invention can be varied freely within the limits specified above, provided that 100% by weight results in total.
- the coatings produced by means of the formulations according to the invention are distinguished by a sustained barrier against corrosive media, a high resistance to weathering and erosion influences, a sufficient elasticity under buckling and bending stress and a chemical resistance to cleaning agents and graffiti removers.
- the coatings based on the formulations of the invention have a dirt-repellent character, a favorable cost / benefit ratio and a sufficient opacity or opacity in the case of a coloring coating in low coating thicknesses, ie they show a very good pigment dispersibility. With these coatings can thus be a sustainable
- Dishwashers, etc. causes the surface coating according to the invention, due to their anti-corrosion properties, the high light stability and the pronounced
- the substrates coated according to the invention thus have the following advantages over the prior art:
- the coatings according to the invention are particularly color-stable and do not cloud when exposed to moisture.
- the coating also shows an excellent
- Weather resistance and a very good chemical resistance for example, against all commercial cleaning agents. These aspects also contribute to maintaining the surface quality over a long period of time.
- the coatings of the invention have very good properties, especially under mechanical stress on the surface. This extends the life of the coatings of the invention
- Substrates also in regions with regular sandstorms or heavily dusty winds or with regular brush cleaning of the surface.
- the coating according to the invention is particularly moisture-stable, in particular to rainwater, humidity or dew. Thus, it does not disclose the known susceptibility to delamination of the coating from the substrate
- fluorine-based coatings have a particularly good barrier effect against water and oxygen and thus have very good properties with regard to a sustainable corrosion protection.
- the coatings of the invention have a very good surface hardness, so that this effect additionally contributes to the longevity of appropriately equipped substrates.
- hydroxyfunctional fluoropolymers These are specific copolymers which are based on structural units of a fluorinated polymer and at least one further structural unit which differs from the structural unit of a fluorinated polymer.
- hydroxy-functional fluoropolymers used in the formulations according to the invention are in particular preferably copolymers of
- TFE Tetrafluoroethylene
- CTFE chlorotrifluoroethylene
- the hydroxy functionality is obtained, for example, by copolymerization of hydroxy-functional vinyl ethers and / or alpha-olefins.
- Suitable hydroxy-functional fluoropolymers according to the invention are the commercially available products from Asahi Glass Chemicals under the
- polyesters Another constituent of the formulations according to the invention are the polyesters contained.
- polyesters contained in the formulations according to the invention are based on aliphatic or cycloaliphatic di- or polycarboxylic acids and aliphatic or cycloaliphatic diols or polyols.
- polyesters used according to the invention contain as starting component at least one aliphatic or cycloaliphatic dicarboxylic acid or polycarboxylic acid or derivatives thereof, such as. B. cycloaliphatic 1, 2-dicarboxylic acids, such as. B. 1, 2
- Methylhexahydrophthalic acid succinic acid, sebacic acid, undecanedioic acid,
- the polyester used according to the invention may optionally contain, in addition to the aliphatic or cycloaliphatic dicarboxylic acids or polycarboxylic acids or their derivatives, further, for example aromatic, dicarboxylic acids or polycarboxylic acids.
- suitable aromatic acids are phthalic acid, isophthalic acid or terephthalic acid.
- the proportion of aliphatic or cycloaliphatic dicarboxylic acids or Polycarboxylic acids in the acid portion of the polyesters used according to the invention is at least 35 mol%, based on the sum of all di- or polycarboxylic acids,
- Embodiment 100 mol%, that is very particularly preferably the polyester is based exclusively on aliphatic or cycloaliphatic dicarboxylic acids or
- the term Derviate of the dicarboxylic acid or polycarboxylic acid is preferably understood to mean the respective anhydrides or esters, in particular methyl esters or ethyl esters.
- the diols or polyols are aliphatic or cycloaliphatic diols or polyols, such as, for example, monoethylene glycol, diethylene, dipropylene, triethylene, tetraethylene glycol, 1,3-propanediol, 1,2-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,9-nonanediol, 1,12-dodecanediol, 1,3-butylethylpropanediol, 2-methyl-1,3-propanediol, cyclohexanedimethanol or neopentyl glycol.
- it may be oligomeric diols such as oligoethylene glycol, oligopropylene glycol and other oligoethers
- polyols having more than two functional groups for example trimethylolethane, trimethylolpropane, pentaerythrol or glycerol.
- lactones and hydroxycarboxylic acids can be used as di- or polyols.
- 3-methyl propanediol are preferred, for example, 1,, 2,2 '-Dimethylpropan-1, 3-diol, neopentyl glycol, ethylene glycol, 1, 6-hexanediol and / or trimethylolpropane used as the aliphatic or cycloaliphatic di- or polyols.
- the polyesters used in the formulations of the invention preferably have an acid number, determined according to DIN EN ISO 21 14, between 0 and 10 mg KOH / g, preferably 0 to 5 mg KOH / g, in particular 0 to 3 mg KOH / g.
- the acid number (SZ) is the amount of potassium hydroxide in mg required to neutralize the acids contained in one gram of the substance.
- the sample to be examined is dissolved in dichloromethane and titrated with 0, 1 N ethanolic potassium hydroxide solution against phenolphthalein.
- polyesters used in the formulations according to the invention have an OH number between 15 to 150 mg KOH / g, preferably between 20 and 100 mg KOH / g.
- the determination of the OH numbers according to DIN 53240-2.
- the sample is reacted with acetic anhydride in the presence of 4-dimethylaminopyridine as a catalyst to acetylate the hydroxyl groups.
- the consumption of acetic acid is determined titrimetrically from the difference between the main value and a blank value to be carried out in parallel.
- the resulting number-average molecular weights Mn are from 1,000 to 10,000 g / mol, preferably from 2,000 to 7,000 g / mol.
- the molecular weight is determined in the context of the present invention by means of
- Mn (UV) number average molecular weight (GPC, UV detection), in g / mol
- Mw (UV) weight average molecular weight (GPC, UV detection), in g / mol.
- polyesters used in this invention are prepared by known methods (see Dr. P. Oldring, Resins for Surface Coatings, Volume I II, published by Sita Technology, 203 Gardiness House, Bromhill Road, London SW 184JQ, England 1987)
- the synthesis of the polyester is preferably carried out via a melt condensation, for this purpose, the aforementioned di- or polycarboxylic acids and di- or polyols in
- inert gas nitrogen or noble gases in particular nitrogen can be used.
- the inert gas has an oxygen content of less than 50 ppm, in particular less than 20 ppm. In this case, a large part of the released amount of water is first distilled off at atmospheric pressure. In the course of the rest of the
- Molecular weight is reached.
- this can be facilitated by reduced pressure, enlargement of the surface or by passing an inert gas stream.
- the reaction may additionally be accelerated by adding an entraining agent and / or a catalyst before or during the reaction.
- Suitable entrainers are, for example, toluene and xylenes.
- Typical catalysts are organotitanium or tin compounds such as tetrabutyl titanate or dibutyltin oxide.
- Catalysts based on other metals such. As zinc or antimony based and metal-free esterification catalysts. Furthermore, other additives and driving aids such as antioxidants or color stabilizers are possible. Examples of hydroxy-functional copolyesters which are suitable according to the invention are the commercially available products from Evonik Industries AG, DYNAPOL® LH 748-02 / B or DYNAPOL® LH 750-28. In a further preferred embodiment, the fluoropolymers and the polyesters together have an OH number between 20 and 350 mg KOH / g, preferably between 30 and 250 mg KOH / g.
- crosslinkers for example amino resins or polyisocyanates and mixtures thereof.
- polyisocyanates it is preferably isophorone diisocyanate (IPDI), hexamethylene diisocyanate (HDI), diisocyanatodicyclohexylmethane (H 12MDI),
- MPDI 2-methylpentane diisocyanate
- TMDI 2,2,4-trimethylhexamethylene diisocyanate / 2,4,4-trimethylhexamethylene diisocyanate
- NBDI norbornane diisocyanate
- Examples of a suitable such crosslinker is Vestanat® EP B 1581 from Evonik Industries AG and Desmodur® BL 3175 from Bayer. In general, the
- Vernetzermenge adjusted such that the ratio between the OH groups of the binder mixture, ie in particular the hydroxy-functional fluoropolymer and the polyester, and the NCO groups of the polyisocyanate in the range of 0.5 to 1, preferably between 0.8 and 1, 2 and more preferably between 0.9 and 1.1.
- the aforementioned ratios apply in particular to the most preferred combination of hexamethylene diisocyanate (HDI) as the polyisocyanate and dibutyltin dilaurate (DBTDL) as the crosslinking catalyst.
- HDI hexamethylene diisocyanate
- DBTDL dibutyltin dilaurate
- the limits specified must be adapted accordingly in an expert manner.
- Crosslinking catalysts are usually tin and bismuth-organic compounds such as dibutyltin dilaurate (DBTDL), or
- the formulations according to the invention contain up to 20% by weight, preferably up to 15% by weight.
- UV absorber preferably a triazine-based UV absorber and up to 10 wt .-%, preferably up to 7.5 wt .-%
- UV stabilizers preferably a HALS-based UV stabilizer.
- the formulations according to the invention comprise 0.5 to 15% by weight of a triazine-based UV absorber and 0.3 to 7.5% by weight of a HALS-based UV stabilizer.
- the formulations according to the invention can be used directly in the form described above.
- the formulations of the invention in the form of powder coating coatings, ie solvent-free can be used. This is of particular interest for the much preferred use of powder paint coatings.
- the formulations according to the invention may also be in the form of
- Solvent-containing coatings are used.
- the formulations contain from 5 to 80% by weight, preferably up to 40% by weight, based on the formulation, of a solvent.
- Suitable solvents for the formulations according to the invention are, in principle, all solvents or solvent mixtures which are compatible with the other components used according to the invention.
- ketones such as acetone or methyl ethyl ketone
- esters such as ethyl, propyl or butyl acetate
- aromatics such as toluene or xylene or ethers such as diethyl ether or ethyl ethoxy-propionate
- glycol ethers and esters and high-boiling aromatic fluids such as Solvesso® 150 from ExxonMobil Chemicals.
- the formulation according to the invention may additionally contain up to 40% by weight, based on the formulation, of a hydroxy-functional silicone resin.
- This silicone resin has an OH number between 50 and 300 mg KOH / g, preferably between 90 and 200 mg KOH / g.
- the heat resistance of the formulation is additionally increased.
- the solids content of the formulation as a whole can be increased.
- An example of such hydroxy-functional silicone resin has an OH number between 50 and 300 mg KOH / g, preferably between 90 and 200 mg KOH / g.
- Silicone resins is XIAMETER® RSN-0255 from Dow Corning.
- the formulation according to the invention may additionally contain up to 20% by weight, based on the formulation, of a silane-functional alkyl isocyanate or of a glycidyl-functional alkylsilane.
- a silane-functional alkyl isocyanate is trimethoxy-propyl-silyl-isocyanate, which is sold, for example, by Evonik Industries AG under the name Vestanat® EP-M 95.
- a preferred example of a glycidyl-functional alkylsilane is 3-
- Glycidyloxypropyltrimethoxysilane which is available for example from Evonik Industries AG under the name Dynasylan® GLYMO.
- inorganic particles optionally nanoscale, mainly for the purpose of pigmentation and for additional improvement of scratch and abrasion resistance, may be included in the formulation. Up to 40% by weight, preferably up to 30% by weight, of these particles, based on the formulation, may be added
- the coating after application to the respective substrate material and subsequent drying and crosslinking preferably has a thickness between 0.5 and 200 ⁇ , preferably between 2 ⁇ and 150 ⁇ and more preferably between 5 ⁇ and 50 ⁇ on.
- the formulations according to the invention are preferably used for coating metals, optionally pretreated and / or provided with a corrosion protection primer.
- Suitable metals are, above all, all types of steel known to the person skilled in the art, optionally pretreated and / or provided with a corrosion protection primer, but also aluminum and other metals or alloys which, for reasons of corrosion protection, have a
- the substrate is coated with a formulation according to the invention described above and the coating is then dried and / or calcined.
- the coating is applied directly to the substrate.
- a process is used in which the formulation according to the invention is applied to the substrate in organic solution together with further formulation constituents as "organosol" and the coated layer is subsequently dried.
- Curtain Coating, Spray Coating During drying, the coating is crosslinked in parallel.
- Coil Coating is a process for single or double-sided coating of flat steel or aluminum strips, for example.
- the resulting material is a
- Composite material of a metallic carrier material optionally pretreated and / or provided with a corrosion protection primer, and an organic coating.
- Methods and embodiments of coil coating processes are known to those skilled in the art.
- the adherent coating of the coating formulation according to the invention initially takes place on a corresponding film substrate material.
- the application of this surface coating film on the respective final substrate material is then carried out.
- the underside of the surface-covering foil is either coated with a self-adhesive adhesive formulation, equipped with a hotmelt or with an adhesive layer. This modification of the bottom binds to the final substrate material during a temperature and pressure assisted application.
- the coating is realized in the form of a thermal transfer process of the coating formulation according to the invention to the respective substrate material.
- Coating step equipped with a release layer which allows a thermal transfer of, applied in a second coating step, inventive coating formulation to the respective substrate material.
- Adhesive layer can be applied, which ensures proper adhesion of the thermal transfer layer structure on the respective substrate material.
- a fourth embodiment represents the solvent-free powder coating. Suitable methods and embodiments in this regard are well known to those skilled in the art.
- the coating according to the invention can then optionally be provided with one or more further functional layers.
- This can be, for example, a scratch-resistant coating, a conductive layer, an antisoiling coating and / or a reflection-enhancing layer or other optically functional layers.
- additional layers can be applied, for example, by means of Physical Vapor Deposition (PVD) or Chemical Vapor Deposition (CVD).
- scratch-resistant coating can optionally be applied to further improve scratch resistance.
- scratch-resistant coatings it may, for.
- silicon oxide layers can be applied directly by PVD or CVD.
- the surface of the composite molded articles may be provided with a dirt-repelling or so-called antisoiling coating in order to facilitate cleaning.
- This coating can also be applied by means of PVD or CVD.
- thermoset layer there is additionally a further, comparatively thin, extremely abrasion-resistant layer on the coating according to the invention.
- This is a particularly hard thermoset layer with a thickness preferably below
- this layer can be made from a polysilazane formulation.
- Areas of application for the formulations according to the invention are in particular in the architecture for creative facade and roof surface design and the
- the metal structures are components of household appliances (white goods), in particular stoves, refrigerators, washing machines or dishwashers. Even without further statements, it is assumed that a person skilled in the art can use the above description to the greatest extent. The preferred embodiments and examples are therefore to be considered as merely illustrative, in no way limiting, disclosure.
- Lumiflon LF 200 Asahi Glass Chemicals, hydroxyfunctional fluoropolymer,
- Fluorethylene vinyl ether (FEVE) base Fluorethylene vinyl ether
- polyesters P3 and P4 which are based solely on aliphatic dicarboxylic acids or corresponding derivatives, have sufficiently good compatibility with the fluoropolymer polyol component Lumiflon LF.
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- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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Abstract
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014218188.7A DE102014218188B4 (de) | 2014-09-11 | 2014-09-11 | Formulierung zur Beschichtung von Substraten, Verfahren zur Beschichtung von Substraten, beschichtete Substrate sowie Verwendung der Formulierung |
| PCT/EP2015/068891 WO2016037807A1 (de) | 2014-09-11 | 2015-08-18 | Oberflächenvergütung auf basis von vernetzbaren gesättigten polyesterharzen und fluorpolymeren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3191557A1 true EP3191557A1 (de) | 2017-07-19 |
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|---|---|---|---|
| EP15753930.5A Ceased EP3191557A1 (de) | 2014-09-11 | 2015-08-18 | Oberflächenvergütung auf basis von vernetzbaren gesättigten polyesterharzen und fluorpolymeren |
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| Country | Link |
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| US (1) | US10745580B2 (de) |
| EP (1) | EP3191557A1 (de) |
| CN (1) | CN106687539B (de) |
| AU (1) | AU2015314514B2 (de) |
| DE (1) | DE102014218188B4 (de) |
| WO (1) | WO2016037807A1 (de) |
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| DE102014218188B4 (de) | 2014-09-11 | 2023-01-19 | Evonik Operations Gmbh | Formulierung zur Beschichtung von Substraten, Verfahren zur Beschichtung von Substraten, beschichtete Substrate sowie Verwendung der Formulierung |
| AU2022204302B2 (en) * | 2021-08-16 | 2024-06-13 | A & I Coatings Group Pty Ltd | A high performance isocyanate free polyurethane resin coating |
| WO2023094570A1 (en) | 2021-11-26 | 2023-06-01 | Tiger Coatings Gmbh & Co. Kg | Thermosetting coating powder suitable for outdoor application |
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2014
- 2014-09-11 DE DE102014218188.7A patent/DE102014218188B4/de active Active
-
2015
- 2015-08-18 CN CN201580048584.2A patent/CN106687539B/zh active Active
- 2015-08-18 EP EP15753930.5A patent/EP3191557A1/de not_active Ceased
- 2015-08-18 WO PCT/EP2015/068891 patent/WO2016037807A1/de not_active Ceased
- 2015-08-18 US US15/504,046 patent/US10745580B2/en active Active
- 2015-08-18 AU AU2015314514A patent/AU2015314514B2/en active Active
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| DOW CORNING CORPORATION: "Resins and Intermediates Selection Guide Silicone resins for high-performance decorative and protective coatings", XIAMETER FROM DOW CORNING, 1 January 2012 (2012-01-01), pages 1 - 8, XP055675979, Retrieved from the Internet <URL:http://www.endustriteknik.com/wp-content/uploads/2017/07/xia6.pdf> [retrieved on 20200312] * |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2015314514B2 (en) | 2018-10-04 |
| WO2016037807A1 (de) | 2016-03-17 |
| US10745580B2 (en) | 2020-08-18 |
| CN106687539A (zh) | 2017-05-17 |
| US20180215944A1 (en) | 2018-08-02 |
| DE102014218188B4 (de) | 2023-01-19 |
| DE102014218188A1 (de) | 2016-03-17 |
| AU2015314514A1 (en) | 2017-03-23 |
| CN106687539B (zh) | 2020-08-25 |
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