ITMI20080747A1 - Miscele di ammine stericamente impedite per la stabilizzazione di polimeri - Google Patents
Miscele di ammine stericamente impedite per la stabilizzazione di polimeri Download PDFInfo
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- ITMI20080747A1 ITMI20080747A1 IT000747A ITMI20080747A ITMI20080747A1 IT MI20080747 A1 ITMI20080747 A1 IT MI20080747A1 IT 000747 A IT000747 A IT 000747A IT MI20080747 A ITMI20080747 A IT MI20080747A IT MI20080747 A1 ITMI20080747 A1 IT MI20080747A1
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- Italy
- Prior art keywords
- formula
- butyl
- tert
- mixture
- compound
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 45
- 230000006641 stabilisation Effects 0.000 title claims description 8
- 238000011105 stabilization Methods 0.000 title claims description 8
- 229920000642 polymer Polymers 0.000 title description 16
- 150000001412 amines Chemical class 0.000 title description 12
- -1 polyethylene Polymers 0.000 claims description 47
- 150000001875 compounds Chemical class 0.000 claims description 44
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 16
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 8
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 6
- 239000004611 light stabiliser Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 125000006832 (C1-C10) alkylene group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 239000011368 organic material Substances 0.000 claims 6
- 230000015556 catabolic process Effects 0.000 claims 2
- 238000006731 degradation reaction Methods 0.000 claims 2
- 230000000087 stabilizing effect Effects 0.000 claims 2
- 125000002947 alkylene group Chemical group 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- 229920005606 polypropylene copolymer Polymers 0.000 claims 1
- 229920001059 synthetic polymer Polymers 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
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- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 8
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 5
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 4
- CKPKHTKLLYPGFM-UHFFFAOYSA-N 6,6-dimethylheptane-1,1-diol Chemical compound CC(CCCCC(O)O)(C)C CKPKHTKLLYPGFM-UHFFFAOYSA-N 0.000 description 4
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- PKTNMTDLDLSRDE-UHFFFAOYSA-N C1OC2(P(=O)=O)OCC1(CO)CO2 Chemical compound C1OC2(P(=O)=O)OCC1(CO)CO2 PKTNMTDLDLSRDE-UHFFFAOYSA-N 0.000 description 4
- GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 4
- FPQJEXTVQZHURJ-UHFFFAOYSA-N n,n'-bis(2-hydroxyethyl)oxamide Chemical compound OCCNC(=O)C(=O)NCCO FPQJEXTVQZHURJ-UHFFFAOYSA-N 0.000 description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- 150000002815 nickel Chemical class 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 4
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 4
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- 235000006708 antioxidants Nutrition 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- FTWUXYZHDFCGSV-UHFFFAOYSA-N n,n'-diphenyloxamide Chemical compound C=1C=CC=CC=1NC(=O)C(=O)NC1=CC=CC=C1 FTWUXYZHDFCGSV-UHFFFAOYSA-N 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- GVJHHUAWPYXKBD-UHFFFAOYSA-N (±)-α-Tocopherol Chemical compound OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 description 2
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 2
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 description 2
- BUGAMLAPDQMYNZ-UHFFFAOYSA-N 1-(2,4,4-trimethylpentan-2-yl)-10h-phenothiazine Chemical class S1C2=CC=CC=C2NC2=C1C=CC=C2C(C)(C)CC(C)(C)C BUGAMLAPDQMYNZ-UHFFFAOYSA-N 0.000 description 2
- UCJDCGANFAKTKA-UHFFFAOYSA-N 2,4-dimethyl-1,3,5-triazine Chemical compound CC1=NC=NC(C)=N1 UCJDCGANFAKTKA-UHFFFAOYSA-N 0.000 description 2
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 2
- ONTODYXHFBKCDK-UHFFFAOYSA-N 2-(2,4-dimethylphenyl)-1,3,5-triazine Chemical compound CC1=CC(C)=CC=C1C1=NC=NC=N1 ONTODYXHFBKCDK-UHFFFAOYSA-N 0.000 description 2
- YLUZWKKWWSCRSR-UHFFFAOYSA-N 3,9-bis(8-methylnonoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCC(C)C)OCC21COP(OCCCCCCCC(C)C)OC2 YLUZWKKWWSCRSR-UHFFFAOYSA-N 0.000 description 2
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 description 2
- OWXXKGVQBCBSFJ-UHFFFAOYSA-N 6-n-[3-[[4,6-bis[butyl-(1,2,2,6,6-pentamethylpiperidin-4-yl)amino]-1,3,5-triazin-2-yl]-[2-[[4,6-bis[butyl-(1,2,2,6,6-pentamethylpiperidin-4-yl)amino]-1,3,5-triazin-2-yl]-[3-[[4,6-bis[butyl-(1,2,2,6,6-pentamethylpiperidin-4-yl)amino]-1,3,5-triazin-2-yl]ami Chemical compound N=1C(NCCCN(CCN(CCCNC=2N=C(N=C(N=2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)C=2N=C(N=C(N=2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)C=2N=C(N=C(N=2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)=NC(N(CCCC)C2CC(C)(C)N(C)C(C)(C)C2)=NC=1N(CCCC)C1CC(C)(C)N(C)C(C)(C)C1 OWXXKGVQBCBSFJ-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- KEQFTVQCIQJIQW-UHFFFAOYSA-N N-Phenyl-2-naphthylamine Chemical compound C=1C=C2C=CC=CC2=CC=1NC1=CC=CC=C1 KEQFTVQCIQJIQW-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- 150000008366 benzophenones Chemical class 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- 150000001565 benzotriazoles Chemical class 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical class OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- SWRGUMCEJHQWEE-UHFFFAOYSA-N ethanedihydrazide Chemical compound NNC(=O)C(=O)NN SWRGUMCEJHQWEE-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- WIGCFUFOHFEKBI-UHFFFAOYSA-N gamma-tocopherol Natural products CC(C)CCCC(C)CCCC(C)CCCC1CCC2C(C)C(O)C(C)C(C)C2O1 WIGCFUFOHFEKBI-UHFFFAOYSA-N 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
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- 239000003446 ligand Substances 0.000 description 2
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- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- ORECYURYFJYPKY-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine;2,4,6-trichloro-1,3,5-triazine;2,4,4-trimethylpentan-2-amine Chemical compound CC(C)(C)CC(C)(C)N.ClC1=NC(Cl)=NC(Cl)=N1.C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 ORECYURYFJYPKY-UHFFFAOYSA-N 0.000 description 2
- GXELTROTKVKZBQ-UHFFFAOYSA-N n,n-dibenzylhydroxylamine Chemical compound C=1C=CC=CC=1CN(O)CC1=CC=CC=C1 GXELTROTKVKZBQ-UHFFFAOYSA-N 0.000 description 2
- FDAKZQLBIFPGSV-UHFFFAOYSA-N n-butyl-2,2,6,6-tetramethylpiperidin-4-amine Chemical compound CCCCNC1CC(C)(C)NC(C)(C)C1 FDAKZQLBIFPGSV-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 229960000969 phenyl salicylate Drugs 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
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- 239000003760 tallow Substances 0.000 description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
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- WGVKWNUPNGFDFJ-DQCZWYHMSA-N β-tocopherol Chemical compound OC1=CC(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C WGVKWNUPNGFDFJ-DQCZWYHMSA-N 0.000 description 2
- GZIFEOYASATJEH-VHFRWLAGSA-N δ-tocopherol Chemical compound OC1=CC(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 GZIFEOYASATJEH-VHFRWLAGSA-N 0.000 description 2
- BJGZXKKYBXZLAM-UHFFFAOYSA-N (2,4-ditert-butyl-6-methylphenyl) 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CC1=CC(C(C)(C)C)=CC(C(C)(C)C)=C1OC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BJGZXKKYBXZLAM-UHFFFAOYSA-N 0.000 description 1
- KJYSXRBJOSZLEL-UHFFFAOYSA-N (2,4-ditert-butylphenyl) 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 KJYSXRBJOSZLEL-UHFFFAOYSA-N 0.000 description 1
- HQEPZWYPQQKFLU-UHFFFAOYSA-N (2,6-dihydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC(O)=C1C(=O)C1=CC=CC=C1 HQEPZWYPQQKFLU-UHFFFAOYSA-N 0.000 description 1
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical class OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 1
- ATLWFAZCZPSXII-UHFFFAOYSA-N (2-octylphenyl) 2-hydroxybenzoate Chemical compound CCCCCCCCC1=CC=CC=C1OC(=O)C1=CC=CC=C1O ATLWFAZCZPSXII-UHFFFAOYSA-N 0.000 description 1
- ZEBMSMUPGIOANU-UHFFFAOYSA-N (3,5-ditert-butyl-4-hydroxyphenyl)methylphosphonic acid Chemical compound CC(C)(C)C1=CC(CP(O)(O)=O)=CC(C(C)(C)C)=C1O ZEBMSMUPGIOANU-UHFFFAOYSA-N 0.000 description 1
- GOZHNJTXLALKRL-UHFFFAOYSA-N (5-benzoyl-2,4-dihydroxyphenyl)-phenylmethanone Chemical compound OC1=CC(O)=C(C(=O)C=2C=CC=CC=2)C=C1C(=O)C1=CC=CC=C1 GOZHNJTXLALKRL-UHFFFAOYSA-N 0.000 description 1
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- 239000011590 β-tocopherol Substances 0.000 description 1
- 239000002478 γ-tocopherol Substances 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- 239000002446 δ-tocopherol Substances 0.000 description 1
Classifications
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34926—Triazines also containing heterocyclic groups other than triazine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
Description
Descrizione del brevetto per invenzione industriale avente per titolo:
“MISCELE DI AMMINE STERICAMENTE IMPEDITE PER LA STABILIZZAZIONE DI POLIMERI”
La presente invenzione ha per oggetto miscele di nuovi composti polipiperidinici di formula generale (I), con altri noti composti polipiperidinici, le quali sono in grado di impartire a materiali polimerici di diversa natura, in particolare le poliolefine, una elevata stabilità verso l’azione ossidativa e la fotodegradazione.
Premessa
È ben noto che i polimeri sono soggetti a deterioramento per azione del calore, della luce e dell’ossigeno, fattori che provocano perdita delle proprietà meccaniche, scolorimento e altri effetti indesiderati.
Per la stabilizzazione dei materiali polimerici, principalmente verso le radiazioni UV della luce solare, sono state proposte varie classi di composti come per esempio benzofenoni e benzotriazoli. Questi composti impartiscono ai polimeri una stabilità accettabile, ma non ancora sufficiente alle attuali esigenze pratiche specialmente delle fibre, films e raffia a base di polimeri olefinici.
I derivati delle polialchilpiperidine, comunemente denominati HALS (ammine stericamente impedite), sono di gran lunga più efficaci e numerosi sono i brevetti che li concernono. Si vedano ad esmpio US 4.530.950, DE 1.929.928, US 3.640.928, US 4.477.615, US 4.233.412, US 4.331.586, DOS 2.636.144, DE 2.456.864, US 4.315.859, US 4.104.248, US 4.086.204, US 4.038.280.
Vengono anche rivendicati effetti sinergici per miscele di HALS, come per esempio in US 4.692.486, US 4.863.981, US 5.021.485, EP 0 709 426, EP 0 728 806.
È stato ora trovato che risultano particolarmente efficaci miscele di HALS sia a basso peso molecolare, generalmente definite come HALS monomeriche, che ad alto peso molecolare, generalmente definite come HALS polimeriche o macromolecolari, comprendenti comprendente dal 10% al 90% di miscele di oligomeri di formula generale (I) descritte nella pendente domanda italiana N. MI2008A739.
nella quale gli indici “m” ed “n” hanno valore diverso, con distribuzione casuale, nell’ambito della stessa macromolecola
con almeno uno dei composti di formula A, B, C, D, E o F dove:
A significa:
formula A
Nella formula A
R significa:
oppure:
R1significa H o alchile lineare o ramificato C1-C4n assume i valori da 2 a 10
B significa:
formula B
Nella formula B
R1è idrogeno o metile
R2è un legame diretto o il gruppo C1-C10alchilene n è un numero da 2 a 50
C significa:
Formula C
Nella formula C
n è un numero da 2 a 50
p è un numero da 2 a 10
R significa H o metile
e X può assumere i significati delle formule VII, VIII, IX:
dove R1è un gruppo alchilico lineare o ramificato C1-C4e R2è H o metile.
D significa:
Formula D
nella formula D
n è un numero tra 2 e 10
R è H o metile
E significa:
Formula E
Nella formula E:
R rappresenta il residuo
dove R1ed R2indipendentemente l’uno dall’altro possono essere H, un gruppo alchilico lineare o ramificato C1-C4o il gruppo di formula (V).
F significa:
dove il simbolo R ha gli stessi significati che per i composti della formula E.
I prodotti di formula (I) possono essere ottenuti mediante un procedimento consistente nel far reagire un’ammina di formula generale (II)
con un derivato di formula (III)
e, successivamente, l’intermedio ottenuto, consistente in una miscela di composti di formula generale (VI) e (VI)’
e
con i composti di formula (IV):
dove R’ e R’’ uguali o diversi, sono H o gruppi alchilici lineari o ramificati C2-C8, preferibilmente C4, oppure il gruppo (V)
con R’’’ = H o gruppo alchilico lineare o ramificato C1-C4
m, n, uguali o diversi, possono assumere i valori da 2 a 8, preferibilmente da 2 a 3, e sono diversi tra loro in ogni ammina di formula (II).
I composti delle formula A, B, C, D, E, F e le loro preparazioni sono noti. Si vedano ad esempio US 4 477 615; US 3 840 494; US 3 640 928; US 4 331 586; EP 93693; US 4 263 434; JP 570 38 589; US 6 046 304.
Un esempio di composto di formula A è il prodotto commercialmente noto con la denominazione Uvasorb HA88 (CAS RN = 136504-96-6).
Un esempio di composto di formula B è il prodotto commercialmente noto con la denominazione Uvasorb HA22 (CAS RN = 65447-77-0).
Un esempio di composto di formula C con X = residuo di formula VII è il prodotto commercialmente noto con la denominazione Cyasorb UV-3346 (CAS RN = 82451-48-7).
Un esempio di composto di formula C con X = residuo di formula VIII è il prodotto commercialmente noto con la denominazione Chimassorb 944 (CAS RN = 71878-19-8).
Un esempio di composto di formula C con X = residuo di formula IX è il prodotto commercialmente noto con la denominazione Chimassorb 2020 (CAS RN = 192268-64-7).
Un esempio di composto di formula D con R = H ed n = 8 è il prodotto commercialmente noto con la denominazione Uvasorb HA77 (CAS RN = 52829-07-9);
Un esempio di composto di formula D con R = metile ed n = 8 è il prodotto commercialmente noto con la denominazione Uvasorb HA29 (CAS RN = 41556-26-7);
Un esempio di composto di formula E con R2= n-butile e R1= residuo di formula (V) avente R’’’ = metile è il prodotto commercialmente noto con la denominazione Chimassorb 119 (CAS RN = 106990-43-6).
Le miscele oggetto della presente invenzione possono essere ottenute in qualsiasi modo noto, ad esempio (a) fondendo assieme i composti di formula (I) con i composti di formula A, B, C, D, E, F e successivamente macinando o granulando la miscela ottenuta, (b) sciogliendo i componenti in un solvente comune ed evaporando a secchezza la soluzione, (c) incorporando separatamente i composti nel substrato polimerico da stabilizzare ottenendo quindi la miscela “in situ” o, nei casi in cui sia possibile, (d) miscelando specifici materiali di partenza nelle stesse sintesi chimiche dei composti, per esempio miscelando adatte poliammine nei procedimenti descritti in US 4477615.
Un ulteriore oggetto dell’invenzione è l’uso delle miscele dei composti di formula (I) con almeno uno dei composti di formula A, B, C, D, E, F come stabilizzanti per polimeri, in particolare per polimeri poliolefinici.
Secondo la presente invenzione i polimeri comprendono polietilene, polipropilene, polistirene, polibutadiene, polisoprene, e loro copolimeri, polivinilcloruro, polivinilidencloruro e loro copolimeri, polivinilacetato e suoi copolimeri, in particolare con etilene; poliesteri come il polietilentereftalato; poliammidi come il Nylon 6 e 6,6; poliuretani.
Le miscele oggetto della presente invenzione possono essere incorporate nei polimeri mediante ogni metodo noto per miscelare additivi e materiali polimerici; per esempio mediante:
- miscelazione con il polimero, che può essere sotto forma di polvere o granulato in un miscelatore adatto allo scopo;
- aggiunta sotto forma di soluzione o sospensione in un solvente opportuno e successivo allontanamento del solvente dal polimero, che può essere in forma di polvere, granulato o sospensione, dopo intima miscelazione;
- addizione al polimero durante la preparazione di quest’ultimo, per esempio nell’ultimo stadio della preparazione.
Le miscele oggetto della presente invenzione possono essere aggiunte anche assieme ad altri tipi di stabilizzanti e additivi generalmente usati nella tecnica, come per esempio antiossidanti a base di fenoli, ammine, fosfiti; assorbitori di radiazioni UV a base di benzofenoni, benzotriazoli; stabilizzanti al nichel; plastificanti, lubrificanti, agenti antistatici, antifiamma, inibitori di corrosione, deattivatori di metalli cariche minerali quali biossido di titanio, ossido di alluminio, altro.
Esempi di tali additivi sono:
1. Antiossidanti
1.1. Fenoli alchilati, come per esempio: 2,6-di-ter-butil-4-metilfenolo; 2-ter-butil-4,6-di-metilfenolo; 2,6-di-ter-butil-4-etilfenolo; 2,6-di-ter-butil-4butilfenolo; 2,6-di-ter-butil-4-isobutilfenolo; 2,6-di-ciclopentil-4-metilfenolo; 2-(α-metilcicloesil)-4,6-di-metilfenolo; 2,6-di-octadecil-4-metilfenolo; 2,4,6-tricicloesilfenolo; 2,6-di-ter-butil-4-metossimetilfenolo; nonilfenoli lineari e ramificati, per esempio 2,6-di-nonil-4-metilfenolo; 2,4-di-metil-6-(1’-metilundecil)fenolo; 2,4-di-metil-6-(1’-eptadecil)fenolo e loro miscele.
1.2. Alchil-tiometilfenoli, come per esempio: 2,4-di-octil-tiometil-6-ter-butilfenolo; 2,4-di-octil-tiometil-6-metilfenolo; 2,4-di-octil-tiometil-6-etilfenolo; 2,6-di-dodeciltiometil-4-nonilfenolo.
1.3. Idrochinoni e idrochinoni alchilati, come per esempio: 2,6-di-terbutil-4-metossifenolo; 2,5-di-ter-butil-idrochinone; 2,5-di-ter-amilidrochinone; 2,6-difenil-4-octadecilossifenolo; 2,6-di-ter-butil-idrochinone; 2,5-di-ter-butil-4-idrossianisolo; 3,5-di-ter-butil-4-idrossianisolo; 3,5-di-terbutil-4-idrossifenil stearato; bis(3,5-di-ter-butil-4-idrossifenil)adipato.
1.4. Tocoferoli, per esempio α-tocoferolo; γ-tocoferolo; β-tocoferolo; δ-tocoferolo e loro miscele (vitamina E).
1.5. Tiodifenil eteri idrossilati, come per esempio: 2,2’-tiobis(6-terbutil-4-metilfenolo); 2,2’-tiobis(4-octilfenolo); 4,4’-tiobis(6-ter-butil-3-metilfenolo); 4,4’-tiobis(6-ter-butil-2-metilfenolo); 4,4’-bis(2,6-di-metil-4-idrossifenil)disolfuro.
1.6. Alchilidene bisfenoli, come per esempio: 2,2’-metilenebis(6-terbutil-4-metilfenolo); 2,2’-metilenebis(6-ter-butil-4-etilfenolo); 2,2’-metilenebis(4-metil-6-(α-metilcicloesil)fenolo); 2,2’-metilenebis(4-metil-6-cicloesilfenolo); 2,2’-metilenebis(6-nonil-4-metilfenolo); 2,2’-metilenebis-(4,6-di-ter-butilfenolo); 2,2’-etilidenebis(4,6-di-ter-butilfenolo); 2,2’-etilidenebis(6-ter-butil-4-isobutilfenolo); 2,2’-metilenebis(6-(α-metilbenzil)4-nonilfenolo); 2,2’-metilenebis(6-(α-α-dimetilbenzil)-4-nonilfenolo); 4,4’-metilenebis(2,6-di-ter-butilfenolo); 4,4’-metilenebis(6-ter-butil-2-metilfenolo); 1,1-bis(5-ter-butil-4-idrossi-2-metilfenil)butano; 2,6-bis(3-ter-butil-5-metil-2-idrossibenzil)-4-metilfenolo; 1,1,3-tris(5-ter-butil-4-idrossi-2-metilfenil)butano; 1,1-bis(5-ter-butil-4-idrossi-2-metilfenil)-3-n-dodecilmercaptobutano; etilenglicole bis(3,3-bis(3’-ter-butil-4’-idrossifenil)-butirrato); bis(2-(3’-ter-butil-2’-idrossi-5’-metilbenzil)-6-ter-butil-4-metilfenil)tereftalato; bis(3-ter-butil-4-idrossi-5-metilfenil)diciclopentadiene; 1,1-bis-(3,5-dimetil-2-idrossifenil)butano; 2,2-bis-(3,5-di-ter-butil-4-idrossifenil)propano; 2,2-bis-(5-ter-butil-4-idrossi-2-metilfenil)-4-n-dodecilmercaptobutano; 1,1,5,5-tetra-(5-ter-butil-4-idrossi-2-metilfenil)pentano.
1.7. O-, N- e S-benzil derivati come per esempio: 3,5,3’,5’-tetra-terbutil-4-4’-diidrossidibenzil etere; octadecil-4-idrossi-3,5-dimetilbenzilmercapto acetato; tridecil-4-idrossi-3,5-di-ter-butil-benzilmercapto acetato; tri(3,5-di-ter-butil—4-idrossibenzil)ammina; bis(4-ter-butil-3-idrossi-2,6-dimetilbenzil)ditiotereftalato; bis(3,5-di-ter-butil-4-idrossibenzil)disolfuro; isooctil-3,5-di-ter-butil-4-idrossibenzilmercaptoacetato.
1.8. Malonati contenenti il gruppo idrossibenzilico come per esempio: dioctadecil-2,2-bis-(3,5-di-ter-butil-2-idrossibenzil)malonato; dioctadecil-2-(3-ter-butil-4-idrossi-5-metilbenzil)malonato; di-dodecilmercaptoetil-2,2-bis-(3,5-di-ter-butil-4-idrossibenzil)malonato; bis(4-(1,1,3,3-tetrametilbutil)-fenil)-2,2-bis-(3,5-di- ter-butil-4- idrossibenzil)malonato.
1.9. Composti aromatici idrossibenzilici, come per esempio: 1,3,5-tris-(3,5-di-ter-butil-4-idrossibenzil)-2,4,6-trimetilbenzene; 1,4-bis-(3,5-di-terbutil-4-idrossibenzil)-2,3,5,6-tetrametilbenzene; 2,4,6-tris-(3,5-di-ter-butil-4idrossibenzil)-fenolo.
1.10. Derivati triazinici, come per esempio: 2,4-bis(octilmercapto)-6-(3,5-di-ter-butil-4-idrossianilino)-1,3,5-triazina; 2-octilmercapto-4-6-bis(3,5-di-ter-butil-4-idrossianilino)-1,3,5-triazina; 2-octilmercapto-4-6-bis(3,5-diter-butil-4-idrossifenossi)-1,3,5-triazina; 2,4,6-tris(3,5-di-ter-butil-4-idrossifenossi)-1,3,5-triazina; 1,3,5-tris-(3,5-di-ter-butil-4-idrossibenzil)-isocianurato; 1,3,5-tris-(4-ter-butil-3-idrossi-2,6-dimetilbenzil)isocianurato; 2,4,6-tris(3,5-di-ter-butil-4-idrossifeniletil)-1,3,5-triazina; 1,3,5-tris-(3,5-diter-butil-4-idrossifenilpropionil)-esaidro-1,3,5-triazina; 1,3,5-tris-(3,5-dicicloesil-4-idrossibenzil)isocianurato.
1.11. Benzilfosfonati, come per esempio: dimetil-2,5-di-ter-butil-4-idrossibenzilfosfonato; dietil-3,5-di-ter-butil-4-idrossibenzilfosfonato; dioctadecil-3,5-di-ter-butil-4-idrossibenzilfosfonato; dioctadecil-5-ter-butil-4-idrossi-3-metilbenzilfosfonato; il sale di calcio dell’estere monoetilico dell’acido 3,5-di-ter-butil-4-idrossibenzilfosfonico.
1.12. Acilamminofenoli, quali la 4-idrossianilide dell’acido laurico, la 4-idrossianilide dell’acido stearico, l’octil N-(3,5-di-ter-butil-4-idrossifenil)carbammato.
1.13. Esteri dell’acido β-(3,5-di-ter-butil-4-idrossifenil)propionico con alcoli mono o poliidrici come per esempio: metanolo, etanolo, n-ottanolo, iso-ottanolo, octadecanolo; 1,6-esandiolo; 1,9-nonandiolo; glicole etilenico; 1,2-propandiolo; glicole neopentilico; glicole tiodietilenico; glicole dietilenico; glicole trietilenico; pentaeritritolo; tri-(idrossietil)isocianurato; N,N’-bis(idrossietil)ossammide; 3-tioundecanolo; 3-tiopentadecanolo; trimetilesandiolo; trimetilolopropano; 4-idrossimetil-1-fosfo-2,6,7triossabiciclo(2.2.2)ottano.
1.14. Esteri dell’acido β-(5-ter-butil-4-idrossi-3-metilfenil)propionico con alcoli mono o poliidrici come per esempio: metanolo, etanolo, n-ottanolo, iso-ottanolo, octadecanolo; 1,6-esandiolo; 1,9-nonandiolo; glicole etilenico; 1,2-propandiolo; glicole neopentilico; glicole tiodietilenico; glicole dietilenico; glicole trietilenico; pentaeritritolo; tri-(idrossietil)isocianurato; N,N’-bis(idrossietil)ossammide; 3-tioundecanolo; 3-tiopentadecanolo; trimetilesandiolo; trimetilolopropano; 4-idrossimetil-1-fosfo-2,6,7-triossabiciclo(2.2.2)ottano.
1.15. Esteri dell’acido β-(3,5-dicicloesil-4-idrossifenil)propionico con alcoli mono o poliidrici come per esempio: metanolo, etanolo, n-ottanolo, iso-ottanolo, octadecanolo; 1,6-esandiolo; 1,9-nonandiolo; glicole etilenico; 1,2-propandiolo; glicole neopentilico; glicole tiodietilenico; glicole dietilenico; glicole trietilenico; pentaeritritolo; tri-(idrossietil)isocianurato; N,N’-bis(idrossietil)ossammide; 3-tioundecanolo; 3-tiopentadecanolo; trimetilesandiolo; trimetilolopropano; 4-idrossimetil-1-fosfo-2,6,7-triossabiciclo(2.2.2)ottano.
1.16. Esteri dell’acido 3,5-di-ter-butil-4-idrossifenil acetico con alcoli mono o poliidrici come per esempio: metanolo, etanolo, n-ottanolo, iso-ottanolo, octadecanolo; 1,6-esandiolo; 1,9-nonandiolo; glicole etilenico; 1,2-propandiolo; glicole neopentilico; glicole tiodietilenico; glicole dietilenico; glicole trietilenico; pentaeritritolo; tri-(idrossietil)isocianurato; N,N’-bis(idrossietil)ossammide; 3-tioundecanolo; 3-tiopentadecanolo; trimetilesandiolo; trimetilolopropano; 4-idrossimetil-1-fosfo-2,6,7-triossabiciclo(2.2.2)ottano.
1.17. Ammidi dell’acido β-(3,5-di-ter-butil-4-idrossifenil)propionico come per esempio: N,N’-bis-(3,5-di-ter-butil-4-idrossifenilpropionil)-esametilendiammide; N,N’-bis-(3,5-di-ter-butil-4-idrossifenilpropionil)-trimetilendiammide; N,N’-bis-(3,5-di-ter-butil-4-idrossifenilpropionil)-idrazide; N,N’-bis-(2-(3-(3,5-di-ter-butil-4-idrossifenil)propionilossi)etil)-ossammide.
1.18. Acido ascorbico (vitamina C).
1.19. Antiossidanti amminici come per esempio: N,N’-di-isopropil-pfenilendiammina; N,N’-di-sec-butil-p-fenilendiammina; N,N’-bis(1,4-dimetilpentil)-p-fenilendiammina; N,N’-bis(1-etil-3-metilpentil)-pfenilendiammina; N,N’-bis(1-metileptil)-p-fenilendiammina; N,N’-dicicloesilp-fenilendiammina; N,N’-difenil-p-fenilendiammina; N,N’-bis-(2-naftil)-pfenilendiammina; N-isopropil-N’-fenil-p-fenilendiammina; N-(1,3-dimetilbutil)-N’-fenil-p-fenilendiammina; N-(1-metileptil)-N’-fenil-pfenilendiammina; N-cicloesil-N’-fenil-p-fenilendiammina, 4-(p-toluensulfamoil)difenilammina; N,N’-dimetil-N,N’-di-sec-butil-p-fenilendiammina; difenilammina; N-allil-difenilammina; 4-isopropossidifenilammina, N-fenil-1-naftilammina; N-(4-ter-ottilfenil)-1-naftilammina; N-fenil-2-naftilammina; p,p’-di-ter-ottil-difenilammina; 4-n-butil-aminofenolo; 4-butirrilaminofenolo; 4-nonanoil-aminofenolo; 4-dodecanoil-aminofenolo; 4-octadecanoil-aminofenolo; bis(4-metossifenil)ammina; 2,6-di-ter-butil-4-dimetilaminometilfenolo; 2,4’-diaminodifenilmetano; 4,4’-diaminodifenilmetano; N,N,N’,N’-tetrametil-4,4’-diaminodifenilmetano; 1,2-bis-((2-metilfenil)amino)etano; 1,2-bis-(fenilamino)propano; o-tolil-biguanide; bis-(4-(1’,3’-dimetilbutil)fenil)amina; ter-ottil-N-fenil-1-naftilammina; miscele di ter-butil/ter-ottil-difenilammine dialchilate; miscele di mono e di-alchil nonildifenilammine; miscele di mono e di-alchil dodecildifenilammine; miscele di mono e di-alchil isopropil/isoesildifenilammine; miscele di mono e di-alchil ter-butildifenilammine; 2,3-diidro-3,3-dimetil-4H-1,4-benzotiazina; fenotiazina; miscele di mono e dialchil ter-butil/ter-octilfenotiazine, miscele di mono e dialchil ter-ottil-fenotiazine; N-allilfenotiazina; N,N,N’,N’-tetrafenil-1,4-diamino-2-butene; N,N’-bis-(2,2,6,6-tetrametil-piperidil-4-esametilendiammina; bis(2,2,6,6-tetrametilpiperid-4-il)sebacato; 2,2,6,6-tetrametilpiperid-4-one; 2,2,6,6-tetrametilpiperid-4-olo.
2. UV adsorbers e stabilizzanti luce
2.1. 2-(2’-idrossifenil)benzotriazoli, come per esempio: 2-(2’-idrossi-5-metilfenil)benzotriazolo; 2-(3’,5’-di-ter-butil-2’-idrossifenil)benzotriazolo; 2-(5’-ter-butil-2’-idrossifenil)benzotriazolo; 2-(2’-idrossi-5’-(1,1,3,3-tetrametilbutil)fenil)benzotriazolo; 2-(3’,5’-di-ter-butil-2’-idrossifenil)-5-cloro-benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-metilfenil)-5-clorobenzotriazolo; 2-(3’-sec-butil-5’-ter-butil-2’-idrossifenil)benzotriazolo; 2-(2’-idrossi-4’-octilossifenil)benzotriazolo; 2-(3’,5’-di-ter-amil-2’-idrossifenil)benzotriazolo; 2-(3’,5’-bis-(α,α-dimetilbenzil)-2’-idrossifenil)benzotriazolo; 2-(3’-ter-butil-5’-(2-(2-etilesilossi)-carboniletil)-2’-idrossifenil)-5-cloro-benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-(2-octilossicarboniletil)fenil)-5-cloro-benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-(2-metossicarboniletil)fenil)-5-cloro-benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-(2-metossicarboniletil)fenil)-benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-(2-octilossicarboniletil)fenil)-benzotriazolo; 2-(3’-ter-butil-5’-(2-(2-etilesilossi)-carboniletil)-2’-idrossifenil)-benzotriazolo; 2-(3’-dodecil-2’-idrossi-5’metilfenil)benzotriazolo; 2-(3’-ter-butil-2’-idrossi-5’-(2-isooctilossicarboniletil)fenilbenzotriazolo; 2,2’-metilene-bis-(4-(1,1,3,3-tetrametilbutil)-6-benzotriazol-2-ilfenolo); il prodotto di transesterificazione del 2-(3’-terbutil-5’-(2-metossicarboniletil)-2’-idrossifenil)-2H-benzotriazolo con polietilenglicole 300; (R-CH2-CH2-COO-CH2-CH2-)2-dove R può essere: 3’-ter-butil-4’-idrossi-5’-2H-benzotriazol-2-ilfenil; 2-(2’-idrossi-3’-(α,αdimetilbenzil)-5’-(1,1,3,3-tetrametilbutil)-fenil)benzotriazolo; 2-(2’-idrossi-3’-(1,1,3,3-tetrametilbutil)-5’-(α,α-dimetilbenzil) fenil)benzotriazolo.
2.2. 2-idrossibenzofenoni, come per esempio i 4-idrossi; 4-metossi; 4-octilossi; 4-decilossi; 4-dodecilossi; 4-benzilossi; 4,2’,4’-tri-idrossi e 2’-idrossi-4,4’-dimetossi derivati.
2.3. Esteri degli acidi benzoici sostituiti e non sostituiti, come per esempio: 4-terbutil-fenil-salicilato; fenil salicilato; octilfenil salicilato; dibenzoil resorcinolo; bis-(4-ter-butil-benzoil)-resorcinolo; benzoil resorcinolo; 2,4-di-ter-butilfenil 3,5-di-ter-butil-4-idrossibenzoato; esadecil 3,5-di-ter-butil-4-idrossibenzoato; octadecil 3,5-di-ter-butil-4-idrossibenzoato; 2-metil-4,6-di-ter-butilfenil 3,5-di-ter-butil-4-idrossibenzoato:
2.4. Acrilati, come per esempio: etil α-ciano-β,β-difenilacrilato; isooctil α-ciano-β,β-difenilacrilato; metil α-carbometossicinnamato; metil α-ciano-β-metil-p-metossi.cinnamato; butil α-ciano-β-metil-p-metossicinnamato; metil α-carbometossi-p-metossicinnamato e N-(β-carbometossi-βcianovinil)-2-metilindolina.
2.5. Derivati del nichel come per esempio: complessi 1:1 o 1:2 del nichel con 2,2’-tio-bis-(4-(1,1,3,3-tetrametilbutil)fenolo, con o senza leganti quali la n-butilammina, la trietanolammina o la N-cicloesildietanolammina; nichel dibutiltiodicarbammato; sali di nichel di mono-alchil esteri (per esempio metil o etil esteri) dell’acido 4-idrossi-3,5-di-terbutilbenzilfosfonico; complessi del nichel con le cheto-ossime, per esempio con la 2-idrossi-4-metilfenil undecil-cheto-ossima; complessi del nichel con 1-fenil-4-lauroil-5-idrossi-pirazolo, con o senza leganti addizionali.
2.6. Ossammidi, come per esempio: 4,4’-diottilossi-ossalanilide; 2,2’-dietossi-ossalanilide; 2,2’-diottilossi-5,5’-di-ter-butil-ossalanilide; 2,2’-didodecilossi-5,5’-di-ter-butil-ossalanilide; 2-etossi-2’-etilossiossalanilide; N,N’-bis(3-dimetilamminopropil)ossalanilide; 2-etossi-2’-etil-5,4’-di-ter-butil-ossalanilide; miscele di ossalanilidi o- e p-metossi disostituite e miscele di ossalanilidi o-e p-etossi disostituite.
2.7. 2-(2-idrossifenil)-1,3,5-triazine, come per esempio: 2,4,6-tris(2-idrossi-4-octilossifenil)-1,3,5-triazina; 2-(2-idrossi-4-octilossifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina; 2,4-bis(2-idrossi-4-propilossifenil)-6-(2,4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-octilossifenil)-4,6-bis-(4-metilfenil)-1,3,5-triazina; 2-(2-idrossi-4-dodecilossifenil)-4,6-bis-(2-4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-tridecilossifenil)-4,6-bis-(2-4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-(2-idrossi-3-butilossi-propossi)fenil)-4,6-bis(2,4-dimetil)-1,3,5-triazina; 2-(2-idrossi-4-(2-idrossi-3-octilossi-propossi)-fenil)-4,6-bis(2,4-dimetil)-1,3,5-triazina; 2-(4-(dodecilossi/tridecilossi-2-idrossipropossi)-2-idrossifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-(2-idrossi-3-dodecilossi-propossi)fenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-esilossi)fenil-4,6-difenil-1,3,5-triazina; 2-(2-idrossi-4-metossifenil)-4,6-difenil-1,3,5-triazina; 2,4,6-tris(2-idrossi-4-(3-butossi-2-idrossi-propossi)fenil-1,3,5-triazina; 2-(2-idrossifenil)-4-(4metossifenil)-6-fenil-1,3,5-triazina; 2-(2-idrossi-4-(3-(2-etilesil-1-ossi)-2-idrossipropilossi)fenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina.
3. Deattivatori metallici, come per esempio: N,N’-difenilossammide; N-salicilal-N’-salicilol-idrazina; N,N’-bis(salicilol)idrazina; N,N’-bis(3,5-diter-butil-4-idrossifenilpropionil)idrazina; 3-salicilolamino-1,2,4-triazolo; bis(benzilidene)ossalil diidrazide; ossalanilide; isoftaloil diidrazide; sebacoil bisfenilidrazide; N,N’-diacetiladipoil diidrazide; N,N’-bis(saliciloil)ossalil diidrazide; N,N’-bis(saliciloil)tiopropionil diidrazide.
4. Fosfiti e fosfoniti come per esempio: trifenil fosfito; difenil alchil fosfiti; fenil dialchil fosfiti; tris(nonilfenil)fosfito; trilauril fosfito; trioctadecil fosfito; distearil pentaeritritol difosfito; tris(2,4-di-ter-butil-fenil) fosfito; diisodecil pentaeritritol difosfito; bis(2,4-di-ter-butilfenil) fosfito; diisodecil pentaeritritol difosfito; bis(2,4-di-ter-butilfenil) pentaeritritol difosfito; bis(2,6-di-ter-butil-4-metilfenil)-pentaeritritol difosfito; diisodecilossipentaeritritol difosfito; bis-(2,4-di-ter-butil-6-metilfenil)pentaeritritol difosfito; bis(2,4,6-tris(ter-butilfenil)pentaeritritol difosfito; tristearil sorbitol trifosfito; bis(2,4-di-ter-butil-6-metilfenil) metil fosfito; bis(2,4-di-ter-butil-6-metilfenil) etil fosfito; 2,2’,2’’-nitrilo(trietiltris(3,3’,5,5’-tetra-ter-butil-1,1’-bifenil-2,2’-idil) fosfito); 2-etilesil (3,3’,5,5’-tetra-ter-butil-1,1’-bifenil-2,2’-idil) fosfito); tetra(2,4-di-tert-butilfenil) 4-4’-bifenilene difosfonito.
5. Idrossilammine, come per esempio: N,N-dibenzilidrossilammina; N,N-dietilidrossilammina; N,N-dioctilidrossilammina; N,N-dilaurilidrossilammina; N,N-ditetradecilidrossilammina; N,N-diesadecilidrossilammina; N,N-dioctadecilidrossilammina; N-esadecil-N-octadecilidrossilammina; N-eptadecil-N-octadecilidrossilammina; N,Ndialchilidrossilammine derivate dalle ammine di sego idrogenato.
6. Nitroni, come per esempio: N-benzil-alfa-fenil-nitrone; N-etil-alfametil-nitrone; N-octil-alfa-eptil-nitrone; N-lauril-alfa-undecil-nitrone; N-tetradecil-alfa-tridecil-nitrone; N-esadecil-alfa-pentadecil-nitrone; N-octadecil-alfa-pentadecil-nitrone; N-eptadecil-alfa-eptadecil-nitrone; N-octadecil-alfa-esadecil-nitrone; nitroni derivati da N,N-dialchilidrossilammine ottenute da ammine di sego idrogenato.
7. Derivati tiosinergici, come per esempio il dilauril tiodipropionato o lo stearil tiodipropionato.
8. Agenti anti perossidi, come per esempio esteri dell’acido tiodipropionico con gli alcoli laurilico, stearilico, miristico o tridecilico; mercaptobenzimidazolo o il sale di zinco del 2-mercapto-benzimidazolo; dibutilditiocarbammato di zinco; dioctadecil disolfuro; pentaeritritolo tetrakis(β-dodecilmercapto)propionato.
9. Stabilizzatori di poliammide, quali i sali di rame in combinazione con ioduri e/o composti fosforati e sali del manganese bivalente.
10. Co-stabilizzanti basici, come per esempio: melammina; polivinilpirrolidone; diciandiammide; triallilcianurato; derivati dell’urea; derivati dell’idrazina; ammine; poliammidi; poliuretani; sali di metalli alcalini e alcalino terrosi degli acidi grassi superiori come stearato di calcio, stearato di zinco; beenato di magnesio; stearato di magnesio; sodio ricinoleato; potassio palmitato; sali di antimonio o zinco del pirocatecolo.
11. Agenti nucleanti, come per esempio: sostanze inorganiche quali talco; ossidi metallici come il biossido di titanio o l’ossido di magnesio; fosfati, carbonati o solfati o sali di metalli alcalino terrosi; composti organici come acidi mono o policarbossilici e i loro sali, per esempio acido 4-terbutilbenzoico, acido adipico, acido difenilacetico, succinato di sodio; benzoato di sodio; composti polimerici come i copolimeri anionici.
12. Benzofuranoni e indolinoni, come per esempio quelli descritti in US 4.325.863; US 4.338.244; US 5.175.312; US 5.216.052; US 5.252.643; DE 4316611; DE 4316622; DE 4316876; EP 0589839; EP 0591102; 3-(4-(2-acetoetossi)fenil)-5,7-di-ter-butil-benzofuran-2-one; 5,7-di-ter-butil-3-(4-(2-stearoilossietossi)fenil)benzofuran-2-one; 3,3’-bis(5,7-di-ter-butil-3-(4-(2-idrossietossi)fenil)benzofuran-2-one); 5,7-di-ter-butil-3-(4-etossifenil)-benzofuran-2-one; 3-(4-acetossi-3,5-dimetilfenil)-5,7-di-ter-butil-benzofuran-2-one; 3-(3,5-dimetil-4-pivaloilossifenil)-5,7-di-ter-butil-benzofuran-2-one; 3-(2,3-di-metilfenil)-5,7-di-ter-butil-benzofuran-2-one.
13. Riempitivi e agenti rinforzanti, come per esempio: calcio carbonato; silicati; fibre di vetro; asbesto; talco; caolino; mica; bario solfato; ossidi e idrossidi metallici, biossido di titanio nelle sue varie forme, carbon black; grafite; farina di legno o di fibre o altri prodotti naturali; fibre sintetiche.
14. Altri additivi, per esempio plastificanti, lubrificanti, emulsionanti, pigmenti, modificatori di reologia; catalizzatori; agenti per il controllo di flusso; candeggianti ottici; agenti antifiamma; agenti antistatici, agenti rigonfianti.
La quantità di composti di formula (I) necessaria per una efficace stabilizzazione del polimero dipende da diversi fattori, come il tipo e le caratteristiche del polimero, l’uso a cui è destinato, l’intensità della radiazione e la durata dell’esposizione a cui si prevede posa essere sottoposto.
Generalmente è sufficiente una quantità da 0,01 fino a 5% in peso rispetto al polimero, preferibilmente da 0,1 a 1,0%.
Negli esempi preparativi e applicativi che seguono illustrano l’invenzione in dettaglio.
Esempio preparativo - Preparazione del composto di formula (I) in cui m=2, n=3, x= 2-6 (HALS 1).
0,1 moli di cloruro di cianurile vengono sciolte in 100 ml di toluene. Si aggiungono sotto agitazione 0,2 moli di N-(2,2,6,6-tetrametil-4-piperidinil)-butilammina, 0,1 moli di sodio carbonato e si scalda, sempre sotto agitazione, fino a 80°C mantenendo questa temperatura per 3 ore. Al termine si lava due volte lo strato organico con 200 ml di acqua distillata per eliminare i sali.
La soluzione toluenica ottenuta, contenente 0,1 moli di un composto di formula generale (III) con R’ = n-butile e R’’ = residuo 2,2,6,6-tetrametil-4-piperidinico, viene addizionata con 0,1 moli di 3-(2-aminoetilamino)propilammina, corrispondente ad una ammina di formula generale (II) con m = 2 ed n = 3; si neutralizza l’acidità con il quantitativo equivalente di alcali e si porta la soluzione a bollore allontanando per distillazione l’acqua formatasi. Quando è cessata la distillazione dell’acqua si raffredda a 90°C e si lava due volte lo strato organico con 200 ml di acqua distillata.
Lo strato toluenico, contenente una miscela sostanzialmente equimolecolare di composti di formula generale (VI) con m = 2 e n = 3 e (VI)’ con m = 3 e n = 2, viene fatta reagire con 0,09 moli di 2,4-dicloro-6-N-(2,2,6,6-tetrametil-4-piperidinil)-butilammina - precedentemente ottenuta gocciolando alla temperatura di 15-20°C 0,09 moli di N-(2,2,6,6-tetrametil-4-piperidinil)-butilammina in 0,09 moli di cloruro di cianurile sciolto in 100 ml di toluene e successiva neutralizzazione con l’equivalente quantità di alcali mediante riscaldamento a ricadere per 5 ore, in presenza di 0,2 moli di carbonato di sodio, ed allontanando per distillazione l’acqua di reazione.
Al termine si raffredda a 80°C e si lava due volte con 200 ml di acqua distillata.
La soluzione ottenuta, dopo filtrazione di eventuali parti indisciolte, viene portata a secco per distillazione del solvente sotto vuoto, ottenendo 84 grammi di una miscela di oligomeri di formula generale (I) in cui gli indici m ed n hanno i valori 2 e 3.
Nei seguenti esempi applicativi, le sigle Hals 2-8 si riferiscono ai composti aventi le formule sotto riportate:
HALS 2: composto di formula (A) in cui R =
R1= n-butile
n = 2-5;
HALS 3: composto di formula (B) in cui R1= H, R2= CH2-CH2, n = 10-15;
HALS 4: composto di formula (C) in cui R = H, X = residuo di formula VIII, p = 6, n = 2-10;
HALS 5: composto di formula (C) in cui R = H, X = residuo di formula IX, p = 6, n = 2-10;
HALS 6: composto di formula (D) in cui R = H, n = 8;
HALS 7: composto di formula (E) in cui i gruppi R1e R2del sostituente R rappresentano rispettivamente la catena n-butilica e il radicale di formula (V) avente R’’’ = metile;
HALS 8: composto di formula (F) in cui i gruppi R1e R2del sostituente R rappresentano rispettivamente la catena n-butilica e il residuo di formula (V) avente R’’’ = H.
Tutte le quantità, salvo quando espressamente indicato, si intendono in peso.
ESEMPIO APPLICATIVO 1
Stabilizzazione alla luce di fibra in polipropilene
1000 parti di Polipropilene omopolimero polvere non stabilizzato (Indice di fluidità: ca. 23 g/`10’ a 230°C - 2.16 kP) vengono mescolate in un mescolatore da laboratorio con 0.75 parti di Calcio Stearato, 0.50 parti di tris-(2,4-di-ter-butil-fenil) fosfito, 0.50 parti di 1,3,5-tris-(3,5-di-ter-butil-4-idrossibenzil) isocianurato e 3 parti di stabilizzante HALS come nelle successive Tabelle 1A e 1B.
La mescola a secco viene estrusa in estrusore da laboratorio a 230°C e granulata.
Il granulato viene trasformato in filato multibava mediante filatura utilizzando un estrusore da laboratorio ad una temperatura massima di 260°C ottenendo un filato multibava a titolo 480/60 dtex.
Il filato viene esposto in WOM secondo ISO 4892. La resistenza alla luce del filato viene seguita mediante prelievo periodico di campioni che vengono sottoposti a valutazione di resistenza a trazione mediante controllo del carico a rottura.
Quale parametro per paragonare la resistenza alla luce dei campioni viene utilizzato il t50definito come “tempo di esposizione in WOM, espresso in ore, ad un Carico a Rottura pari al 50% del valore iniziale”.
I risultati sperimentali ottenuti sono riassunti nelle tabelle 1 A e 1 B
ESEMPIO APPLICATIVO 2
Stabilizzazione alla luce di rafia in polietilene ad alta densità
1000 parti di Polietilene ad alta densità non stabilizzato (Indice di fluidità: ca. 2 g/`10’ a 190°C - 2.16 kP) vengono mescolate in un mescolatore da laboratorio con 0.30 parti di 1,3,5-tris-(3,5-di-ter-butil-4-idrossibenzil) isocianurato ed 1 parte di stabilizzanti HALS come nelle successive Tabelle 2A e 2B.
La mescola a secco viene estrusa in estrusore a 230°C e granulata.
Il granulato viene successivamente trasformato in rafia (spessore 50 µm). mediante estrusione ad una temperatura massima di 230°C e stiro 1:5 in apposito impianto.
La rafia viene esposto in WOM secondo ISO 4892. La resistenza alla luce della rafia viene seguita mediante prelievo periodico di campioni che vengono sottoposti a valutazione di resistenza a trazione mediante controllo del carico a rottura.
Quale parametro per paragonare la resistenza alla luce dei campioni viene utilizzato il t50definito come “tempo di esposizione in WOM, espresso in ore, ad un carico a rottura pari al 50% del valore iniziale”.
I risultati sperimentali ottenuti sono riassunti nelle tabelle 2 A e 2B
ESEMPIO APPLICATIVO 3
Stabilizzazione alla luce di film LDPE
1000 parti di Polietilene a bassa densità non stabilizzato (Indice di fluidità: ca. 0.60 g/`10’ a 190°C - 2.16 kP) vengono mescolati in un mescolatore da laboratorio con 0.30 parti di n-octadecil-3-(3’,5’-di-ter-butil-4-idrossifenil)-propionato ed 1.50.parti di Stabilizzanti luce tipo HALS come nelle successive Tabelle 3 A e 3B.
La mescola a secco viene estrusa in estrusore da laboratorio a 230°C e granulata.
Il granulato viene successivamente trasformato in film a spessore finale 150 µm ca.mediante estrusione e filmatura in bolla con estrusore da laboratorio munito di testa rotante, ad una temperatura massima di 230°C.
Provini ricavati dal film di cui sopra, dopo montaggio su appositi supporti, vengono esposti in WOM secondo ISO 4892.
La resistenza alla luce del manufatto viene seguita con prelievo periodico di campioni che vengono sottoposti al controllo dell’Indice di Carbonile mediante misure FT-IR.
Quale parametro per paragonare la resistenza alla luce dei campioni viene utilizzato il t0.10definito come “tempo di esposizione in WOM, espresso in ore, necessario alla crescita dell’Indice di Carbonile ad un valore 0.10”.
I risultati sperimentali ottenuti sono riassunti nelle tabelle 3 A e 3B
Claims (13)
- RIVENDICAZIONI 1. Miscela per la stabilizzazione alla luce comprendente dal 10% al 90% in peso di oligomeri di formula (I)in cui: il parametro x è compreso tra 2 e 10 i parametri m ed n assumono i valori da 2 a 8 ed hanno valore diverso nelle singole unità monomeriche costituenti la miscela di oligomeri i gruppi R’ e R’’ uguali o diversi, sono gruppi alchilici lineari o ramificati C2-C8, oppure il gruppo (V)con R’’’ = H o gruppo alchilico lineare o ramificato C1-C4 e almeno un composto delle seguenti formule A, B, C, D, E o FFormula A in cui: R significa:oppure:R1significa H o alchile lineare o ramificato C1-C4n assume i valori da 2 a 10formula B in cui: R1è idrogeno o metile R2è un legame diretto o il gruppo C1-C10alchilene n è un numero da 2 a 50Formula C in cui: n è un numero da 2 a 50 p è un numero da 2 a 10 R significa H o metile e X può assumere i significati delle formule VII, VIII, IX:Formula VIIFormula IX dove R1è un radicale alchilico lineare o ramificato C1-C4e R2è H o metile.Formula D in cui: n è un numero tra 2 e 10 R è H o metilein cui: R rappresenta il residuo dove R1ed R2indipendentemente l’uno dall’altro possono essere H, un gruppo alchilico lineare o ramificato C1-C4o il gruppo di formula (V) dove R’’’ può essere H o alchile C1-C4lineare o ramificato. Formula F dove il simbolo R ha gli stessi significati dei composti della formula E.
- 2. Miscela secondo la rivendicazione 1 in cui il composto di formula generale (I) è caratterizzato da: m = 2 e n = 3 oppure m = 3 e n = 2 R’ = n-butile R’’ = gruppo di formula (V) con R’’’ = H o metile.
- 3. Miscela secondo la rivendicazione 1 in cui il composto di formula generale A è caratterizzato da: n = 2-5 R1= n-butile R = gruppo di formula (V) con R’’’ = H.
- 4. Miscela di stabilizzanti alla luce secondo la rivendicazione 1 in cui il composto di formula generale B è caratterizzato da: R1= H R2= catena alchilenica C2 n = 10-15.
- 5. Miscela di stabilizzanti alla luce secondo la rivendicazione 1 in cui il composto di formula generale C è caratterizzato da: R = H X = residuo di formula VIII o IX p = 6 n = 2-10.
- 6. Miscela secondo la rivendicazione 1 in cui il composto di formula generale D è caratterizzato da: R = H n = 8.
- 7. Miscela di stabilizzanti alla luce secondo la rivendicazione 1 in cui il composto di formula generale E è caratterizzato da: R con R1= n-butile ed R2= residuo di formula (V) in cui R’’’ = metile.
- 8. Miscela di stabilizzanti alla luce secondo la rivendicazione 1 in cui il composto di formula generale F è caratterizzato da: R con R1= n-butile ed R2= residuo di formula (V) in cui R’’’ = metile.
- 9. Composizione comprendente un materiale organico soggetto alla degradazione causata dalla luce e una miscela di stabilizzanti alla luce delle rivendicazioni 1-8.
- 10. Composizione secondo la rivendicazione 9 in cui il materiale organico è un polimero sintetico.
- 11. Composizione secondo la rivendicazione 9 in cui il materiale organico è una poliolefina.
- 12. Composizione secondo la rivendicazione 9 in cui il materiale organico è polietilene, polipropilene, un copolimero polietilenico, un copolimero polipropilenico.
- 13. Metodo per stabilizzare un materiale organico soggetto alla degradazione causata dalla luce, comprendente l’aggiunta al materiale organico di una miscela stabilizzante delle rivendicazioni 1-8.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000747A ITMI20080747A1 (it) | 2008-04-24 | 2008-04-24 | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
US12/138,777 US7713444B2 (en) | 2008-04-24 | 2008-06-13 | Mixtures of sterically hindered amines for the stabilisation of polymers |
EP09154371A EP2112198A1 (en) | 2008-04-24 | 2009-03-05 | Mixtures of sterically hindered amines for the stabilisation of polymers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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IT000747A ITMI20080747A1 (it) | 2008-04-24 | 2008-04-24 | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
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ITMI20080747A1 true ITMI20080747A1 (it) | 2009-10-25 |
Family
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IT000747A ITMI20080747A1 (it) | 2008-04-24 | 2008-04-24 | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
Country Status (3)
Country | Link |
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US (1) | US7713444B2 (it) |
EP (1) | EP2112198A1 (it) |
IT (1) | ITMI20080747A1 (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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ITMI20080739A1 (it) * | 2008-04-23 | 2009-10-24 | 3V Sigma Spa | Ammine stericamente impedite oligomeriche e loro uso come stabilizzanti per polimeri |
IT1403086B1 (it) * | 2010-10-28 | 2013-10-04 | 3V Sigma Spa | Nuove ammine stericamente impedite polimeriche e loro uso come stabilizzanti per polimeri |
ITMI20110802A1 (it) * | 2011-05-10 | 2012-11-11 | 3V Sigma Spa | Miscele di ammine stericamente impedite per la stabilizzazione di polimeri |
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US3640928A (en) | 1968-06-12 | 1972-02-08 | Sankyo Co | Stabilization of synthetic polymers |
DE1929828C3 (de) | 1969-06-12 | 1979-02-08 | Trasswerke Meurin Betriebsgesellschaft Mbh, 5470 Andernach | Leichtbaustoff bzw. Leichtbauzuschlagstoff und Verfahren zu seiner Herstellung sowie zur Bildung von Formkörpern daraus |
NL154241C (it) | 1971-01-29 | 1900-01-01 | ||
GB1395159A (en) * | 1971-11-30 | 1975-05-21 | Ciba Geigy Ag | Tetra-hydropyridine derivatives |
CH589056A5 (it) | 1973-12-10 | 1977-06-30 | Ciba Geigy Ag | |
NL179392C (nl) * | 1975-03-21 | 1986-09-01 | Montefibre Spa | Werkwijze voor het bereiden van gestabiliseerde polymere samenstellingen alsmede op een werkwijze voor het bereiden van als stabilisator geschikte polyaminen, en gevormde voortbrengselen daaruit vervaardigd. |
IT1052501B (it) | 1975-12-04 | 1981-07-20 | Chimosa Chimica Organica Spa | Composti politriazinici utilizzabili per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione |
IT1060458B (it) | 1975-12-18 | 1982-08-20 | Chimosa Chimica Organica Spa | Composti piperidil triazinici adatti per la stabilizzazione di polimeri sintetici e procedimento per la loro preparazione |
CH626109A5 (it) * | 1976-05-11 | 1981-10-30 | Ciba Geigy Ag | |
US4315859A (en) * | 1979-01-15 | 1982-02-16 | Ciba-Geigy Corporation | 1,3,5-Triazines containing at least one piperidine radical |
GB2042562B (en) * | 1979-02-05 | 1983-05-11 | Sandoz Ltd | Stabilising polymers |
US4331586A (en) * | 1981-07-20 | 1982-05-25 | American Cyanamid Company | Novel light stabilizers for polymers |
EP0080431B1 (de) * | 1981-10-16 | 1986-09-24 | Ciba-Geigy Ag | Synergistisches Gemisch von niedermolekularen und hochmolekularen Polyalkylpiperidinen |
IT1198355B (it) * | 1982-02-10 | 1988-12-21 | Apital Prod Ind | Derivati piperidinici e loro uso come stabilizzanti per polimeri |
US4492791A (en) | 1982-05-04 | 1985-01-08 | Ciba-Geigy Corporation | Process for the preparation of polyaminotriazines |
IT1152192B (it) | 1982-05-19 | 1986-12-31 | Apital Prod Ind | Composti per stabilizzare i polimeri |
US4863981A (en) * | 1986-06-30 | 1989-09-05 | Ciba-Geigy Corporation | Synergistic mixture of stabilizers |
GB2202853B (en) * | 1987-04-03 | 1990-10-24 | Ciba Geigy Ag | Light stabiliser combination |
US5175312A (en) * | 1989-08-31 | 1992-12-29 | Ciba-Geigy Corporation | 3-phenylbenzofuran-2-ones |
US5231768A (en) * | 1991-05-29 | 1993-08-03 | Brown & Sharpe Manufacturing Co. | Stacked block step gage |
US5252643A (en) * | 1991-07-01 | 1993-10-12 | Ciba-Geigy Corporation | Thiomethylated benzofuran-2-ones |
TW206220B (it) * | 1991-07-01 | 1993-05-21 | Ciba Geigy Ag | |
GB2267490B (en) | 1992-05-22 | 1995-08-09 | Ciba Geigy Ag | 3-(Carboxymethoxyphenyl)benzofuran-2-one stabilisers |
TW260686B (it) | 1992-05-22 | 1995-10-21 | Ciba Geigy | |
NL9300801A (nl) | 1992-05-22 | 1993-12-16 | Ciba Geigy | 3-(acyloxyfenyl)benzofuran-2-on als stabilisatoren. |
MX9305489A (es) | 1992-09-23 | 1994-03-31 | Ciba Geigy Ag | 3-(dihidrobenzofuran-5-il)benzofuran-2-onas, estabilizadores. |
TW255902B (it) | 1992-09-23 | 1995-09-01 | Ciba Geigy | |
EP0709426B2 (de) | 1994-10-28 | 2005-01-05 | Ciba SC Holding AG | Synergistisches Stabilisatorgemisch |
TW401437B (en) | 1995-02-10 | 2000-08-11 | Ciba Sc Holding Ag | Synergistic stabilizer mixture |
IT1275584B1 (it) * | 1995-07-21 | 1997-08-06 | 3V Sigma Spa | Composizioni per la stabilizzazione di polimeri sintetici |
US6046304A (en) | 1995-12-04 | 2000-04-04 | Ciba Specialty Chemicals Corporation | Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials |
ITMI20052067A1 (it) | 2005-10-28 | 2007-04-29 | 3V Sigma Spa | Composizione per la stabilizzazione di polimeri sintetici |
ITMI20080739A1 (it) | 2008-04-23 | 2009-10-24 | 3V Sigma Spa | Ammine stericamente impedite oligomeriche e loro uso come stabilizzanti per polimeri |
-
2008
- 2008-04-24 IT IT000747A patent/ITMI20080747A1/it unknown
- 2008-06-13 US US12/138,777 patent/US7713444B2/en not_active Expired - Fee Related
-
2009
- 2009-03-05 EP EP09154371A patent/EP2112198A1/en not_active Withdrawn
Also Published As
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US20090270535A1 (en) | 2009-10-29 |
EP2112198A1 (en) | 2009-10-28 |
US7713444B2 (en) | 2010-05-11 |
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