ES2874796T3 - Una tubería de polietileno - Google Patents
Una tubería de polietileno Download PDFInfo
- Publication number
- ES2874796T3 ES2874796T3 ES18736892T ES18736892T ES2874796T3 ES 2874796 T3 ES2874796 T3 ES 2874796T3 ES 18736892 T ES18736892 T ES 18736892T ES 18736892 T ES18736892 T ES 18736892T ES 2874796 T3 ES2874796 T3 ES 2874796T3
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- Prior art keywords
- tert
- butyl
- polyethylene
- bis
- component
- Prior art date
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- -1 polyethylene Polymers 0.000 title claims abstract description 124
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 68
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 54
- 150000001412 amines Chemical class 0.000 claims abstract description 10
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims abstract description 7
- 229960001545 hydrotalcite Drugs 0.000 claims abstract description 6
- 229910001701 hydrotalcite Inorganic materials 0.000 claims abstract description 6
- 239000004611 light stabiliser Substances 0.000 claims abstract description 4
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 23
- 239000001257 hydrogen Substances 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- 125000000217 alkyl group Chemical group 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 16
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 14
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 12
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 10
- 125000002947 alkylene group Chemical group 0.000 claims description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 8
- 239000011732 tocopherol Substances 0.000 claims description 8
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical group CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 claims description 7
- 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 claims description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 7
- 239000004700 high-density polyethylene Substances 0.000 claims description 7
- 125000003031 C5-C7 cycloalkylene group Chemical group 0.000 claims description 6
- 239000007983 Tris buffer Substances 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 5
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 5
- 229930003799 tocopherol Natural products 0.000 claims description 5
- 229960001295 tocopherol Drugs 0.000 claims description 5
- QANIADJLTJYOFI-UHFFFAOYSA-K aluminum;magnesium;carbonate;hydroxide;hydrate Chemical compound O.[OH-].[Mg+2].[Al+3].[O-]C([O-])=O QANIADJLTJYOFI-UHFFFAOYSA-K 0.000 claims description 4
- 125000000000 cycloalkoxy group Chemical group 0.000 claims description 4
- GVJHHUAWPYXKBD-UHFFFAOYSA-N d-alpha-tocopherol Natural products OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-UHFFFAOYSA-N 0.000 claims description 4
- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 claims description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 4
- 125000002252 acyl group Chemical group 0.000 claims description 3
- 230000002902 bimodal effect Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 150000002443 hydroxylamines Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000002530 phenolic antioxidant Substances 0.000 claims description 3
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 3
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 235000019149 tocopherols Nutrition 0.000 claims description 3
- 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 claims description 3
- JOWXNCPELQZFHF-UHFFFAOYSA-N 2-[3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoyloxy]ethyl 3,3-bis(3-tert-butyl-4-hydroxyphenyl)butanoate Chemical compound C1=C(O)C(C(C)(C)C)=CC(C(C)(CC(=O)OCCOC(=O)CC(C)(C=2C=C(C(O)=CC=2)C(C)(C)C)C=2C=C(C(O)=CC=2)C(C)(C)C)C=2C=C(C(O)=CC=2)C(C)(C)C)=C1 JOWXNCPELQZFHF-UHFFFAOYSA-N 0.000 claims description 2
- 125000003341 7 membered heterocyclic group Chemical group 0.000 claims description 2
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 claims description 2
- GJFFUPBQYDLADG-UHFFFAOYSA-K aluminum;zinc;carbonate;hydroxide;hydrate Chemical compound O.[OH-].[Al+3].[Zn+2].[O-]C([O-])=O GJFFUPBQYDLADG-UHFFFAOYSA-K 0.000 claims description 2
- 239000001055 blue pigment Substances 0.000 claims description 2
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 235000010384 tocopherol Nutrition 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 10
- 238000010348 incorporation Methods 0.000 claims 2
- 229920001179 medium density polyethylene Polymers 0.000 claims 2
- 239000004701 medium-density polyethylene Substances 0.000 claims 2
- RRTJOAHJZQVSSE-UHFFFAOYSA-N 1,3,2-dioxaphosphepine Chemical compound C=1C=COPOC=1 RRTJOAHJZQVSSE-UHFFFAOYSA-N 0.000 claims 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- 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
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 150000002431 hydrogen Chemical class 0.000 description 10
- 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
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 6
- BPXVHIRIPLPOPT-UHFFFAOYSA-N 1,3,5-tris(2-hydroxyethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound OCCN1C(=O)N(CCO)C(=O)N(CCO)C1=O BPXVHIRIPLPOPT-UHFFFAOYSA-N 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 5
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 4
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 description 4
- YEWBOZCFGXOUQW-UHFFFAOYSA-N 2,6,7-trioxa-1-phosphabicyclo[2.2.2]octan-4-ylmethanol Chemical compound C1OP2OCC1(CO)CO2 YEWBOZCFGXOUQW-UHFFFAOYSA-N 0.000 description 4
- RXFCIXRFAJRBSG-UHFFFAOYSA-N 3,2,3-tetramine Chemical compound NCCCNCCNCCCN RXFCIXRFAJRBSG-UHFFFAOYSA-N 0.000 description 4
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-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
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 235000013772 propylene glycol Nutrition 0.000 description 4
- 239000000600 sorbitol Substances 0.000 description 4
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 3
- MSXXDBCLAKQJQT-UHFFFAOYSA-N 2-tert-butyl-6-methyl-4-[3-(2,4,8,10-tetratert-butylbenzo[d][1,3,2]benzodioxaphosphepin-6-yl)oxypropyl]phenol Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCCOP2OC3=C(C=C(C=C3C=3C=C(C=C(C=3O2)C(C)(C)C)C(C)(C)C)C(C)(C)C)C(C)(C)C)=C1 MSXXDBCLAKQJQT-UHFFFAOYSA-N 0.000 description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- 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 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- UKJARPDLRWBRAX-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine Chemical compound C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 UKJARPDLRWBRAX-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 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 3
- JJYUJOJVFRXHAE-UHFFFAOYSA-N (3,5,5-trimethyl-6-oxomorpholin-3-yl)methyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OCC1(C)COC(=O)C(C)(C)N1 JJYUJOJVFRXHAE-UHFFFAOYSA-N 0.000 description 2
- ZQMPWXFHAUDENN-UHFFFAOYSA-N 1,2-bis[(2-methylphenyl)amino]ethane Natural products CC1=CC=CC=C1NCCNC1=CC=CC=C1C ZQMPWXFHAUDENN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical class 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
- MQQKTNDBASEZSD-UHFFFAOYSA-N 1-(octadecyldisulfanyl)octadecane Chemical compound CCCCCCCCCCCCCCCCCCSSCCCCCCCCCCCCCCCCCC MQQKTNDBASEZSD-UHFFFAOYSA-N 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- BWJKLDGAAPQXGO-UHFFFAOYSA-N 2,2,6,6-tetramethyl-4-octadecoxypiperidine Chemical compound CCCCCCCCCCCCCCCCCCOC1CC(C)(C)NC(C)(C)C1 BWJKLDGAAPQXGO-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
- SLUKQUGVTITNSY-UHFFFAOYSA-N 2,6-di-tert-butyl-4-methoxyphenol Chemical compound COC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SLUKQUGVTITNSY-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
- KXPXKNBDCUOENF-UHFFFAOYSA-N 2-(Octylthio)ethanol Chemical compound CCCCCCCCSCCO KXPXKNBDCUOENF-UHFFFAOYSA-N 0.000 description 2
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- QSZMLDPPGQRTQY-UHFFFAOYSA-N 3-[(3,5-ditert-butyl-4-hydroxyphenyl)methoxy]-3-oxopropanoic acid Chemical compound CC(C)(C)C1=CC(COC(=O)CC(O)=O)=CC(C(C)(C)C)=C1O QSZMLDPPGQRTQY-UHFFFAOYSA-N 0.000 description 2
- SAEZGDDJKSBNPT-UHFFFAOYSA-N 3-dodecyl-1-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrrolidine-2,5-dione Chemical compound O=C1C(CCCCCCCCCCCC)CC(=O)N1C1CC(C)(C)N(C)C(C)(C)C1 SAEZGDDJKSBNPT-UHFFFAOYSA-N 0.000 description 2
- CKPKHTKLLYPGFM-UHFFFAOYSA-N 6,6-dimethylheptane-1,1-diol Chemical compound CC(CCCCC(O)O)(C)C CKPKHTKLLYPGFM-UHFFFAOYSA-N 0.000 description 2
- 0 CCC(C)(CC)CCN(*)C(CC1(C)C)CC(C)(*)N1*=C Chemical compound CCC(C)(CC)CCN(*)C(CC1(C)C)CC(C)(*)N1*=C 0.000 description 2
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
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- 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
- GNXLDJDDRKNQNQ-UHFFFAOYSA-N N-heptadecylidenehydroxylamine Chemical class C(CCCCCCCCCCCCCCCC)=NO GNXLDJDDRKNQNQ-UHFFFAOYSA-N 0.000 description 2
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 235000006708 antioxidants Nutrition 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
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
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- IMXRBCGZTVENAC-UHFFFAOYSA-N n-phenyl-n-(2,4,4-trimethylpentan-2-yl)aniline Chemical class C=1C=CC=CC=1N(C(C)(C)CC(C)(C)C)C1=CC=CC=C1 IMXRBCGZTVENAC-UHFFFAOYSA-N 0.000 description 1
- NYLGUNUDTDWXQE-UHFFFAOYSA-N n-phenyl-n-prop-2-enylaniline Chemical compound C=1C=CC=CC=1N(CC=C)C1=CC=CC=C1 NYLGUNUDTDWXQE-UHFFFAOYSA-N 0.000 description 1
- MHJCZOMOUCUAOI-UHFFFAOYSA-N n-tert-butyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(C(C)(C)C)C1=CC=CC=C1 MHJCZOMOUCUAOI-UHFFFAOYSA-N 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- RNVAPPWJCZTWQL-UHFFFAOYSA-N octadecyl 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 RNVAPPWJCZTWQL-UHFFFAOYSA-N 0.000 description 1
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- DMFXLIFZVRXRRR-UHFFFAOYSA-N octyl 3-[3-tert-butyl-5-(5-chlorobenzotriazol-2-yl)-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OCCCCCCCC)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O DMFXLIFZVRXRRR-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- ZPNJBTBYIHBSIG-UHFFFAOYSA-N phenyl-(2,2,6,6-tetramethylpiperidin-4-yl)methanone Chemical compound C1C(C)(C)NC(C)(C)CC1C(=O)C1=CC=CC=C1 ZPNJBTBYIHBSIG-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229940068886 polyethylene glycol 300 Drugs 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- MQOCIYICOGDBSG-UHFFFAOYSA-M potassium;hexadecanoate Chemical compound [K+].CCCCCCCCCCCCCCCC([O-])=O MQOCIYICOGDBSG-UHFFFAOYSA-M 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical class CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 238000000518 rheometry Methods 0.000 description 1
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- 229920006395 saturated elastomer Polymers 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- IJRHDFLHUATAOS-DPMBMXLASA-M sodium ricinoleate Chemical compound [Na+].CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O IJRHDFLHUATAOS-DPMBMXLASA-M 0.000 description 1
- 229940074404 sodium succinate Drugs 0.000 description 1
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- NZNAAUDJKMURFU-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 NZNAAUDJKMURFU-UHFFFAOYSA-N 0.000 description 1
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- INNSFNJTGFCSRN-UHFFFAOYSA-N tridecyl 2-[(3,5-ditert-butyl-4-hydroxyphenyl)methylsulfanyl]acetate Chemical compound CCCCCCCCCCCCCOC(=O)CSCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 INNSFNJTGFCSRN-UHFFFAOYSA-N 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- BOXSVZNGTQTENJ-UHFFFAOYSA-L zinc dibutyldithiocarbamate Chemical compound [Zn+2].CCCCN(C([S-])=S)CCCC.CCCCN(C([S-])=S)CCCC BOXSVZNGTQTENJ-UHFFFAOYSA-L 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
- GVJHHUAWPYXKBD-IEOSBIPESA-N α-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 1
Classifications
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- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
- C07F9/65515—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a five-membered ring
- C07F9/65517—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a five-membered ring condensed with carbocyclic rings or carbocyclic ring systems
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Abstract
Una tubería de polietileno en la que los componentes de polietileno comprenden componentes A) y B), y en los que el componente A) es un estabilizante contra la luz de amina impedida que contiene un residuo de triazina, el componente B) es una hidrotalcita natural o sintética y la relación en peso de componente A) a componente B) es 1:10 a 10:1.
Description
DESCRIPCIÓN
Una tubería de polietileno
La presente invención se refiere a una tubería de polietileno que comprende componentes A) y B), en los que el componente A) es un estabilizante contra la luz de amina impedida que contiene un residuo de triazina, el componente B) es una hidrotalcita natural o sintética y la relación en peso de componente A) a componente B) es 1:10 a 10:1, preferiblemente 1:5 a 5:1.
En más detalle, la tubería de acuerdo con la presente invención consiste preferiblemente en una composición de polietileno que comprende los componentes A) y B) en una relación en peso de 1:10 a 10:1.
El componente A) es en particular por lo menos un compuesto de las fórmulas (A-I), (A-II) o (A-III)
en la que A11 es alquileno C2-C18, cicloalquileno C5-C7 o
alquileno C1-C4 di(ciclo alquileno C5-C7),
los radicales A12 son, independientemente de otro, hidrógeno, alquilo C1-C12 o cicloalquilo C5-C12,
A13 y A14 son, independientemente de otro, hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1),
o los radicales A13 y A14, junto con el átomo de nitrógeno al cual están enlazados forman un anillo heterocíclico de 5 a 10 miembros y
a1 es un número de 1 a 20, preferiblemente 2 a 20, y las unidades que se repiten son idénticas o diferentes;
en la que A21 y A25 son, independientemente de otro, hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1),
A22, A23 y A24 son, independientemente de otro, alquileno C2-C10, y
X1, X2 , X3 , X4 , X5 , X6, X7 y X8 son, independientemente de otro, un grupo de la fórmula (a-2),
en la cual A26 es hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1) como se definió anteriormente, y A27 tiene uno de los significados de A12;
en la que
Ri y R2 son, independientemente de otro, hidrógeno, alquilo C1-C22, -O-, -OH, -CH2CN, alcoxi C1-C18, alcoxi C2-C18 sustituido por -OH; cicloalcoxi C5-C12, alquenilo C3-C6 , alqueniloxi C3-C6 , fenilalquilo C7-C9 no sustituido o sustituido en el fenilo por 1, 2 o 3 alquilo C1-C4 ; o acilo C1-C8 ; y
R3 y R4 son, independientemente de otro, alquilo C1-C22 o un grupo de la fórmula (a-3)
en la que R0 tiene uno de los significados de R1 y R2.
El componente B) es preferiblemente un hidróxido mixto de las fórmulas (B-I) o (B-II).
M2+1-aM3+a(OH)2(Ab-)a/bxcH2O (B-I)
M2+dAl3+2(OH)2d+6-eb(Ab-)exfH2O (B-II)
M2+ es por ejemplo Ca2+, Mg2+, Sr2+, Ba2+, Zn2+, Pb2+, Sn2+ o Ni2+.
M3+ es por ejemplo Al3+, B3+ o Bi3+.
a es por ejemplo un número hasta 0.5.
Ab- es un anión de valencia b, por ejemplo Cl-, Br-, NO3-, CO32-, SO42- o SeO42-.
b es por ejemplo un número entero 1 a 4.
c es por ejemplo cero o un número hasta 2.
d es por ejemplo un número hasta 6.
e es por ejemplo un número hasta 2.
f es por ejemplo cero o un número hasta 15.
Las hidrotalcitas que son de interés son hidróxidos de capa doble que contienen capas de hidróxido cargadas positivamente y carga de aniones de balance localizadas en la región entre las capas.
El componente B) es en particular por lo menos un hidrato de hidróxido carbonato de magnesio aluminio que está disponible comercialmente por ejemplo como Hycite®713, ®DHT-4A, ®DHT-4V, ®DHT-4A-2, ®DHT-4C o Sorbacid®911, o hidrato de hidróxido carbonato de zinc aluminio que está disponible comercialmente por ejemplo como®ZHT-4V o Sorbacid®944, o mezclas de ellos.
Es de particular interés un hidrato de hidróxido carbonato de magnesio aluminio que está disponible comercialmente por ejemplo como Hycite®713 o DHT-4A.
Los ejemplos de alquilo que tiene hasta 22 átomos de carbono son metilo, etilo, propilo, isopropilo, n-butilo, secbutilo, isobutilo, tert-butilo, 2-etilbutilo, n-pentilo, isopentilo, 1-metilpentilo, 1,3-dimetilbutilo, n-hexilo, 1-metilhexilo, nheptilo, isoheptilo, 1,1,3,3-tetrametilbutilo, 1 -metilheptilo, 3-metilheptilo, n-octilo, 2-etilhexilo, 1,1,3-trimetilhexilo, 1,1,3,3-tetra-metilpentilo, nonilo, decilo, undecilo, 1-metilundecilo, dodecilo, 1,1,3,3,5,5-hexametilhexilo, tridecilo,
tetradecilo, pentadecilo, hexadecilo, heptadecilo, octadecilo y eicosilo. Alcoxi C1-C18 es por ejemplo metoxi, etoxi, propoxi, isopropoxi, butoxi, isobutoxi, pentoxi, isopentoxi, hexoxi, heptoxi, octoxi, deciloxi, dodeciloxi, tetradeciloxi, hexadeciloxi o octadeciloxi.
Alcoxi C2-C18 sustituido por -OH es por ejemplo 2-hidroxietoxi.
Cicloalquilo C5-C12 es por ejemplo ciclopentilo, ciclohexilo, cicloheptilo, ciclooctilo, ciclodecilo o ciclododecilo. Se prefiere cicloalquilo C5-C8, en particular ciclohexilo. Cicloalcoxi C5-C12 es por ejemplo ciclopentoxi, ciclohexoxi, cicloheptoxi, ciclooctoxi, ciclodeciloxi o ciclododeciloxi. Se prefiere cicloalcoxi C5-C8 , en particular ciclopentoxi y ciclohexoxi.
Alquenilo C3-C6 es por ejemplo alilo, 2-metalilo, butenilo, pentenilo o hexenilo. Se prefiere alilo. El átomo de carbono en posición 1 es preferiblemente saturado.
Alqueniloxi C3-C6 es por ejemplo propeniloxi.
Fenilalquilo C7-C9 no sustituido o sustituido en el fenilo por 1,2 o 3 alquilos C1-C4, es por ejemplo bencilo, 2-feniletilo, metilbencilo, dimetilbencilo, trimetilbencilo o tert-butilbencilo.
Ejemplos de acilo C1-C8 son formilo, acetilo, propionilo, butirilo, pentanoilo, hexanoilo, heptanoilo, octanoilo, acriloilo, metacriloilo y benzoilo. Se prefieren alcanoilo C1-C8 , alquenoilo C3-C8 y benzoilo. Se prefieren especialmente acetilo y acriloilo.
Los ejemplos de alquileno que tienen hasta 18 átomos de carbono son etileno, propileno, trimetileno, tetrametileno, pentametileno, 2,2-dimetiltrimetileno, hexametileno, trimetilhexametileno y octametileno. Se prefiere alquileno C2-C6 , en particular hexametileno.
Un ejemplo de cicloalquileno C5-C7 es ciclohexileno.
Un ejemplo de alquilen C1-C4 di(cicloalquilen C5-C7) es metilendiciclohexileno. Un ejemplo preferido de un anillo heterocíclico de 5 a 7 miembros es un grupo morfolino.
Los significados de los grupos terminales que saturan las valencias libres en los compuestos de la fórmula (A-I) dependen del proceso usado en su preparación. Los grupos terminales pueden ser también modificados después de la preparación de los compuestos.
Si los compuestos de la fórmula formula (A-I) son preparados mediante reacción de un compuesto de la fórmula n .
Xo-----^ ^ ---- X0
N ^ N ,
N— A14
A13
en la cual X0 es, por ejemplo, halógeno, en particular cloro, y A 13 y A 14 son como se definió anteriormente, con un compuesto de la fórmula
en la cual A11 y A 12 son como se definió anteriormente, el grupo terminal enlazado al radical diamino es por ejemplo hidrógeno o
y el grupo terminal enlazado al radical triazina es por ejemplo X0 o
Si Xo es halógeno, es ventajoso reemplazarlo, por ejemplo, por -OH o un grupo amino cuando se ha completado la reacción. Los ejemplos de grupos amino que pueden ser mencionados son pirrolidin-1-ilo, morfolino, -NH2 , -N(alquilo C1-C8))2 y -NR0(alquilo C1-C8), en los cuales R0 es hidrógeno o un grupo de la fórmula (Ia).
Uno de los compuestos preferidos de la fórmula (I) es
en la que E1 es
y a1 es un número de 1 a 10, preferiblemente 2 a 10. La preparación de este compuesto es descrita en el Ejemplo 10 de US-A-6,046,304.
De acuerdo con una realización preferida
A 11 es alquileno C2-C10,
los radicales A 12 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo, A 13 y A 14 son, independientemente de otro, hidrógeno, alquilo C1-C4 , ciclohexilo o un grupo de la fórmula (a-1),
h3c c h 3
----- N a-i 2 (a-1)
ch3 c h 3
o los radicales A 13 y A 14, junto con el átomo de nitrógeno al cual están unidos, forman un grupo morfolino y a1 es un número de 1 a 10, preferiblemente 2 a 10, y las unidades que se repiten son idénticas o diferentes;
A21 y A25 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo,
A22, A23 y A24 son, independientemente de otro, alquileno C2-C10, y
Xi, X2 , X3 , X4 , X5 , X6, X7 y X8 son, independientemente de otro, un grupo de la fórmula (a-2),
En la cual en el cual A26 es hidrógeno, alquilo C1-C4 , ciclohexilo o un grupo de la fórmula (a-1) como se definió anteriormente, y A27 tiene uno de los significados de A 12;
R1 y R2 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo; y
R3 y R4 son, independientemente de otro, alquilo C1-C4 o un grupo de la fórmula (a-3)
en los que R0 tiene uno de los significados de R1 y R2.
De acuerdo con una realización adicional preferida, el componente A) es un compuesto de la fórmula (A-I-1), (A-I-2), (A-II-1) o (A-III-1),
siendo a1 igual a 2 a 10,
siendo a1 igual a 2 a 10,
en la que X 1, X2 , X3 , X4 , X5 , X6, X7 y X8 son el grupo
La tubería de polietileno puede comprender adicionalmente un componente C) que es un antioxidante fenólico, en particular 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno (Irganox®1330), etilen bis[3,3-bis(3-tertbutil-4-hidroxifenil)butirato] (Hostanox®03) o 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-isocianurato (Irganox®3114). La relación en peso de componente A) a componente C) es preferiblemente 1:10 a 10:1, en particular 1:5 a 5:1. La tubería de polietileno puede comprender adicionalmente un componente D) el cual es por lo menos un compuesto seleccionado de entre el grupo consistente en fosfitos, fosfonitos, hidroxilaminas, tocoferoles y tocoferol acetatos. Se prefiere particularmente un fosfito, por ejemplo tris(2,4-di-tert-butilfenil) fosfito, [3,3',5,5'-tetra-tert. butil-1, 1 'bifenil-2,2'-diil]-[3-(3-metil-4-hidroxi-5-tert.butil-fenil)-propil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butilfenil)-1,1'-diil]-[1,6-dimetil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1, 1 '-diil]-[1-metil-6-tert. butil-4-(5,7-di-tert. butil)-3H-1 -benzofuran-2-ona)-fenil]-fosfito o 6-[3-(3-tert-butil-4-hidroxi-5-metilfenil)propoxi]-2,4,8,10-tetra-tert-butildibenzo[d,f][1,3,2]dioxafosfepina.
La relación en peso de componente A) a componente D) es preferiblemente 1:10 a 10:1, en particular 1:5 a 5:1. Es de interés una tubería de polietileno que comprende los componentes A), B), C) y D). Los compuestos de los componentes A), B), C) y D) son conocidos y en esencia están disponibles comercialmente.
El componente A) está presente en el polietileno preferiblemente en una cantidad de 0.01% a 2% en peso respecto al peso de polietileno.
El componente B) está presente en el polietileno preferiblemente en una cantidad de 0.01% a 5% en peso respecto al peso de polietileno.
El componente C) está presente en el polietileno preferiblemente en una cantidad de 0.1% a 5% en peso respecto al peso de polietileno.
El componente D) está presente en el polietileno preferiblemente en una cantidad de 0.1% a 5% en peso respecto al peso de polietileno.
De acuerdo con una realización preferida, la tubería de polietileno puede comprender adicionalmente un pigmento, preferiblemente un pigmento azul.
El polietileno de la tubería es preferiblemente seleccionado de entre HD-PE, MD-PE, LD-PE, LLD-PE, PE metaloceno, PE-X, mezcla de PE, PE reciclado, PE bimodal, PE-RT, PE 32, PE 40, PE 63, PE 80, PE 100, PE 112, PE 125, PE 100 RC, PE 100 RT y PE 100 RD, en particular de polietileno (HD-PE) de alta densidad, polietileno (MD-PE) de densidad media, polietileno (LD-PE) de baja densidad, polietileno (LLD-PE) lineal de baja densidad, polietileno metaloceno, polietileno (PE-X) entrecruzado, polietileno reciclado, polietileno bimodal y mezclas de polietilenos. Una tubería de polietileno particularmente preferida comprende los componentes (A), (B), (C) y (D), en los que componente (A) es
siendo a1 igual a 2 a 10,
el componente (B) es una hidrotalcita natural o sintética,
el componente (C) es 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno, y
el componente (D) es tris[2,4-di-tert-butilfenil]fosfito.
El polietileno de la tubería de acuerdo con la presente invención puede comprender adicionalmente uno o más aditivos convencionales tales como:
1. Antioxidantes
1.1. Monofenoles alquilados, por ejemplo 2,6-di-tert-butil-4-metilfenol, 2-tert-butil-4,6-dimetilfenol, 2,6-di-tert-butil-4-etilfenol, 2,6-di-tert-butil-4-n-butilfenol, 2,6-di-tert-butil-4-isobutilfenol, 2,6-dici clopentil-4-metilfenol, 2-(ametilciclohexil)-4,6-dimetilfenol, 2,6-dioctadecil-4-metilfenol, 2,4,6-triciclohexilfenol, 2,6-di-tert-butil-4-metoximetilfenol, nonilfenoles que son lineales o ramificados en las cadenas laterales, por ejemplo, 2,6-di-nonil-4-metilfenol, 2,4-dimetil-6-(1'-metilundec-1'-il)fenol, 2,4-dimetil-6-(1'-metilheptadec-1'-il)fenol, 2,4-dimetil-6-(1'-metilpentadec-1'-il)fenol, 2,4-dimetil-6-(1'-metiltridec-1'-il)fenol y mezclas de ellos.
1.2. Alquiltiometilfenoles, por ejemplo 2,4-dioctiltiometil-6-tert-butilfenol, 2,4-dioctiltiometil-6-metilfenol, 2,4-dioctiltiometil-6-etilfenol, 2,6-didodeciltiometil-4-nonilfenol.
1.3. Hidroquinonas e hidroquinonas alquiladas, por ejemplo 2,6-di-tert-butil-4-metoxifenol, 2,5-di-tertbutilhidroquinona, 2,5-di-tert-amilhidroquinona, 2,6-difenil-4-octadeciloxifenol, 2,6-di-tert-butilhidroquinona, 2,5-ditert-butil-4-hidroxianisol, 3,5-di-tert-butil-4-hidroxianisol, 3,5-di-tert-butil-4-hidroxifenil estearato, bis(3,5-di-tert-butil-4-hidroxifenil) adipato.
1.4. Tocoferoles, por ejemplo a-tocoferol, p-tocoferol, Y-tocoferol, 5-tocoferol y mezclas de ellos (vitamina E).
1.5. Tiodifenil éteres hidroxilados, por ejemplo 2,2'-tiobis(6-tert-butil-4-metilfenol), 2,2'-tiobis(4-octilfenol), 4,4'-tiobis(6-tert-butil-3-metilfenol), 4,4'-tiobis(6-tert-butil-2-metilfenol), 4,4'-tiobis(3,6-di-sec-amilfenol), 4,4'-bis(2,6-dimetil-4-hidroxifenil)disulfuro.
1.6. Alquilidanbisfenoles, por ejemplo 2,2'-metilenbis(6-tert-butil-4-metilfenol), 2,2'-metilenbis(6-tert-butil-4-etilfenol), 2,2'-metilenbis[4-metil-6-(a-metilciclohexil)fenol], 2,2'-metilenbis(4-metil-6-ciclohexilfenol), 2,2'-metilenbis(6-nonil-4-metilfenol), 2,2'-metilenbis(4,6-di-tert-butilfenol), 2,2'-etilidanebis(4,6-di-tert-butilfenol), 2,2'-etilidanebis(6-tert-butil-4-isobutilfenol), 2,2'-metilenbis[6-(a-metilbencil)-4-nonilfenol], 2,2'-metilenbis[6-(a,a-dimetilbencil)-4-nonilfenol], 4,4'-metilenbis(2,6-di-tert-butilfenol), 4,4'-metilenbis(6-tert-butil-2-metilfenol), 1,1-bis(5-tert-butil-4-hidroxi-2-metilfenil)butano, 2,6-bis(3-tert-butil-5-metil-2-hidroxibencil)-4-metilfenol, 1,1,3-tris(5-tert-butil-4-hidroxi-2-metilfenil)butano, 1,1-bis(5-tert-butil-4-hidroxi-2-metil-fenil)-3-n-dodecilmercaptobutano, etilen glicol bis[3,3-bis(3'-tert-butil-4'-hidroxifenil)butirato], bis(3-tert-butil-4-hidroxi-5-metil-fenil)diciclopentadieno, bis[2-(3'-tert-butil-2'-hidroxi-5'-metilbencil)-6-tert-butil-4-metilfenil]tereftalato, 1,1-bis-(3,5-dimetil-2-hidroxifenil)butano, 2,2-bis(3,5-di-tert-butil-4-hidroxifenil)propano, 2,2-bis(5-tert-butil-4-hidroxi2-metilfenil)-4-n-dodecilmercaptobutano, 1,1,5,5-tetra-(5-tert-butil-4-hidroxi-2-metilfenil)pentano.
1.7. Compuestos de O-, N- y S-bencilo, por ejemplo 3,5,3',5'-tetra-tert-butil-4,4'-dihidroxidibencilo éter, octadecil-4-hidroxi-3,5-dimetilbencilmercaptoacetato, tridecil-4-hidroxi-3,5-di-tert-butilbencilmercaptoacetato, tris(3,5-di-tert-butil-4-hidroxibencil)amina, bis(4-tert-butil-3-hidroxi-2,6-dimetilbencil)diti otereftalato, bis(3,5-di-tert-butil-4-hidroxibencil)sulfuro, isooctil-3,5-di-tert-butil-4-hidroxibencilmercaptoacetato.
1.8. Malonatos hidroxibencilados, por ejemplo dioctadecil-2,2-bis(3,5-di-tert-butil-2-hidroxibencil)malonato, dioctadecil-2-(3-tert-butil-4-hidroxi-5-metilbencil)malonato, di-dodecilmercaptoetil-2,2-bis (3,5-di-tert-butil-4-hidroxibencil)malonato, bis[4-(1,1,3,3-tetrametilbutil)fenil]-2,2-bis(3,5-di-tert-butil-4-hidroxibencil)malonato.
1.9. Compuestos aromáticos de hidroxibencilo, por ejemplo 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno, 1,4-bis(3,5-di-tert-butil-4-hidroxibencil)-2,3,5,6-tetrametilbenceno, 2,4,6-tris(3,5-di-tert-butil-4-hidroxibencil)fenol.
1.10. Compuestos de triazina, por ejemplo 2,4-bis(octilmercapto)-6-(3,5-di-tert-butil-4-hidroxianilino)-1,3,5-triazina, 2-octilmercapto-4,6-bis(3,5-di-tert-butil-4-hidroxianilino)-1,3,5-triazina, 2-octilmercapto-4,6-bis(3,5-di-tert-butil-4-hidroxifenoxi)-1,3,5-triazina, 2,4,6-tris(3,5-di-tert-butil-4-hidroxifenoxi)-1,2,3-triazina, 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)isocianurato, 1,3,5-tris(4-tert-butil-3-hidroxi-2,6-dimetilbencil)isocianurato, 2,4,6-tris(3,5-di-tert-butil-4-hidroxifeniletil)-1,3,5-triazina, 1,3,5-tris(3,5-di-tert-butil-4-hidroxifenilpropionil)-hexahidro-1,3,5-triazina, 1,3,5-tris(3,5-diciclohexil-4-hidroxibencil)isocianurato.
1.11. Bencilfosfonatos, por ejemplo dimetil-2,5-di-tert-butil-4-hidroxibencilfosfonato, dietil-3,5-di-tert-butil-4-hidroxibencilfosfonato, dioctadecil3,5-di-tert-butil-4-hidroxibencilfosfonato, dioctadecil-5-tert-butil-4-hidroxi-3-metilbencilfosfonato, la sal de calcio del monoetil éster de ácido de 3,5-di-tert-butil-4-hidroxibencil fosfónico.
1.12. Acilaminofenoles, por ejemplo 4-hidroxilauranilida, 4-hidroxiestearanilida, octil N-(3,5-di-tert-butil-4-hidroxifenil)carbamato.
1.13. Ésteres de ácido p-(3,5-di-tert-butil-4-édroxifenil)propiónico con alcoholes mono- o poliédricos, por ejemplo, con metanol, etanol, n-octanol, i-octanol, octadecanol, 1,6-hexanodiol, 1,9-nonanodiol, etilen glicol, 1,2-propanodiol, neopentil glicol, tiodietilen glicol, dietilen glicol, trietilen glicol, pentaeritritol, tris(hidroxietil)isocianurato, N,N'-bis(hidroxietil)oxamida, 3-tiaundecanol, 3-tiapentadecanol, trimetilhexanodiol, trimetilolpropano, 4-hidroximetil-1-fosfa-2,6,7-trioxabiciclo[2.2.2]octano.
1.14. Ésteres de ácido p-(5-tert-butil-4-édroxi-3-metilfenil) propiónico con alcoholes mono- o poliédricos, por ejemplo, con metanol, etanol, n-octanol, i-octanol, octadecanol, 1,6-hexanodiol, 1,9-nonanodiol, etilen glicol, 1,2-propanediol, neopentil glicol, tiodietilen glicol, dietilen glicol, trietilen glicol, pentaeritritol, tris(hidroxietil)isocianurato, N,N'-bis(hidroxietil)oxamida, 3-tiaundecanol, 3-tiapentadecanol, trimetilhexanodiol, trimetilolpropano, 4-hidroximetil-1-fosfa-2,6,7-trioxabiciclo[2.2.2]octano; 3,9-bis[2-{3-(3-tert-butil-4-hidroxi-5-metilfenil)propioniloxi}-1, 1 -dimetiletil]-2,4,8,10-tetraoxaspiro[5.5]undecano.
1.15. Ésteres de ácido de p-(3,5-diciclohexil-4-hidroxifenil) propiónico con alcoholes mono- o poliédricos, por ejemplo, con metanol, etanol, octanol, octadecanol, 1,6-hexanodiol, 1,9-nonanodiol, etilen glicol, 1,2-propanodiol, neopentil glicol, tiodietilen glicol, dietilen glicol, trietilen glicol, pentaeritritol, tris(hidroxietil)isocianurato, N,N'-bis(hidroxietil)oxamida, 3-tiaundecanol, 3-tiapentadecanol, trimetilhexanodiol, trimetilolpropano, 4-hidroximetil-1-fosfa-2,6,7-trioxabiciclo[2.2.2]octano.
1.16. Ésteres de ácido 3,5-di-tert-butil-4-hidroxifenilo acético con alcoholes mono- o poliédricos, por ejemplo, con metanol, etanol, octanol, octadecanol, 1,6-hexanodiol, 1,9-nonanodiol, etilen glicol, 1,2-propanodiol, neopentil glicol, tiodietilen glicol, dietilen glicol, trietilen glicol, pentaeritritol, tris(hidroxietil)isocianurato, N,N'-bis(hidroxietil)oxamida, 3-tiaundecanol, 3-tiapentadecanol, trimetilhexanodiol, trimetilolpropano, 4-hidroximetil-1-fosfa-2,6,7-trioxabiciclo[2.2.2]octano.
1.17. Amidas de ácido p-(3,5-di-tert-butil-4-édroxifenil)propiónico, por ejemplo, N,N'-bis(3,5-di-tert-butil-4-hidroxifenilpropionil)hexametilendiamida, N,N'-bis(3,5-di-tert-butil-4-hidroxifenilpropionil)trimetilendiamida, N,N'-bis(3,5-di-tert-butil-4-hidroxifenilpropionil)hidrazida, N,N'-bis[2-(3-[3,5-di-tert-butil-4-hidroxifenil]propioniloxi)etil]oxamida (Naugard®XL-1, suministrada por Uniroyal).
1.18. Antioxidantes de amina, por ejemplo N,N'-di-isopropil-p-fenilendiamina, N,N'-di-sec-butil-p-fenilendiamina, N,N'-bis(1,4-dimetilpentil)-p-fenilendiamina, N,N'-bis(1-etil-3-metilpentil)-p-fenilendiamina, N,N'-bis(1-metilheptil)-pfenilendiamina, N,N'-diciclohexil-p-fenilendiamina, N,N'-difenil-p-fenilendiamina, N,N'-bis(2-naftil)-p-fenilendiamina, N-isopropil-N'-fenil-p-fenilendiamina, N-(1,3-dimetilbutil)-N'-fenil-p-fenilendiamina, N-(1-metilheptil)-N'-fenil-pfenilendiamina, N-ciclohexil-N'-fenil-p-fenilendiamina, 4-(p-toluensulfamoil)difenilamina, N,N'-dimetil-N,N'-di-secbutil-p-fenilendiamina, difenilamina, N-alildifenilamina, 4-isopropoxidifenil-amina, N-fenil-1-naftilamina, N-(4-tertoctilfenil)-1-naftilamina, N-fenil-2-naftilamina, difenilamina octilada, por ejemplo p,p'-di-tert-octildifenilamina, 4-nbutilaminofenol, 4-butirilaminofenol, 4-nonanoilaminofenol, 4-dodecanoilaminofenol, 4-octadecanoilaminofenol, bis(4-metoxifenil)amina, 2,6-di-tert-butil-4-dimetilaminometilfenol, 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-toluil)biguanida, bis[4-(1',3'-dimetilbutil)fenil]amina, N-fenil-1-naftilamina tert-octilada, una mezcla de tert-butil/tert-octildifenilaminas mono- y dialquiladas, una mezcla de nonildifenilaminas mono- y dialquiladas, una mezcla de dodecildifenilaminas mono- y dialquiladas, una mezcla de isopropil/isohexildifenilaminas mono- y dialquiladas, una mezcla de tert-butildifenilaminas mono- y dialquiladas, 2,3-dihidro-3,3-dimetil-4H-1,4-benzotiazina, fenotiazina, una mezcla de tert-butil/tert-octilfenotiazinas mono- y dialquiladas, una mezcla de tert-octilfenotiazinas mono- y dialquiladas, N-alilfenotiazina, N,N,N',N'-tetrafenil-1,4-diaminobut-2-eno.
2. Sustancias que absorben UV y estabilizantes contra la luz
2.1. 2-(2'-hidroxifenil)benzotriazoles, por ejemplo 2-(2'-hidroxi-5'-metilfenil)-benzotriazol, 2-(3',5'-di-tert-butil-2'-hidroxifenil)benzotriazol, 2-(5'-tert-butil-2'-hidroxifenil)benzotriazol, 2-(2'-hidroxi-5'-(1,1,3,3-tetrametilbutil)fenil)benzotriazol, 2-(3',5'-di-tert-butil-2'-hidroxifenil)-5-cloro-benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-metilfenil)-5-cloro-benzotriazol, 2-(3'-sec-butil-5'-tert-butil-2'-hidroxifenil)benzotriazol, 2-(2'-hidroxi-4'-octiloxifenil)benzotriazol, 2-(3',5'-di-tert-amil-2'-hidroxifenil)benzotriazol, 2-(3',5'-bis-(a,a-dimetilbencil)-2'-hidroxifenil)benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-(2-octiloxicarboniletil)fenil)-5-cloro-benzotriazol, 2-(3'-tert-butil-5'-[2-(2-etilhexiloxi)-carboniletil]-2'-hidroxifenil)-5-cloro-benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-(2-metoxicarboniletil)fenil)-5-cloro-benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-(2-metoxicarboniletil)fenil)benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-(2-octiloxicarboniletil)fenil)benzotriazol, 2-(3'-tert-butil-5'-[2-(2-etilhexiloxi)carboniletil]-2'-hidroxifenil)benzotriazol, 2-(3'-dodecil-2'-hidroxi-5'-metilfenil)benzotriazol, 2-(3'-tert-butil-2'-hidroxi-5'-(2-isooctiloxicarboniletil)fenilbenzotriazol, 2,2'-metilen-bis[4-(1,1,3,3-tetrametilbutil)-6-benzotriazole-2-ilfenol]; el producto de transesterificación de 2-[3'-tert-butil-5'-(2-metoxicarboniletil)-2'-hidroxifenil]-2H-benzotriazol con polietilen glicol 300; [R-CH2CH2- COO-CH2Ch 2 2^ , en la que R = 3'-tert-butil-4'-hidroxi-5'-2H-benzotriazol-2-ilfenilo, 2-[2'-hidroxi-3'-(a,a-dimetilbencil)-5'-(1,1,3,3-tetrametilbutil)-fenil]benzotriazol; 2-[2'-hidroxi-3'-(1,1,3,3-tetrametilbutil)-5'-(a,a-dimetilbencil)-fenil]benzotriazol.
2.2. 2-hidroxibenzofenonas, por ejemplo los derivados 4-hidroxi, 4-metoxi, 4-octiloxi, 4-deciloxi, 4-dodeciloxi, 4-benciloxi, 4,2',4'-trihidroxi y 2'-hidroxi-4,4'-dimetoxi.
2.3. Ésteres de ácidos benzoicos sustituidos y no sustituidos, por ejemplo 4-tert-butilfenil salicilato, fenil salicilato, octilfenil salicilato, dibenzoil resorcinol, bis(4-tert-butilbenzoil)resorcinol, benzoil resorcinol, 2,4-di-tert-butilfenil 3,5-ditert-butil-4-hidroxibenzoato, hexadecil 3,5-di-tert-butil-4-hidroxibenzoato, octadecil 3,5-di-tert-butil-4-hidroxibenzoato, 2-metil-4,6-di-tert-butilfenil 3,5-di-tert-butil-4-hidroxibenzoato.
2.4. Acrilatos, por ejemplo etil a-ciano-p,p-difenilacrilato, isooctil a-ciano-p,p-difenilacrilato, metil acarbometoxicinamato, metil a-ciano-p-metil-p-metoxicinamato, butil a-ciano-p-metil-p-metoxi-cinamato, metil acarbometoxi-p-metoxicinamato, N-(P-carbometoxi-p-cianovinil)-2-metilindolina, neopentil tetra(a-ciano-p,pdifenilacrilato.
2.5. Aminas con impedimento estérico, por ejemplo 1,6-hexanodiamina N, N'-bis(1-propiloxi-2,2,6,6-tetrametil-4-piperidinil)- N, N'-bis-2-[4,5-bis-(N-n-butil-N'-1 -propiloxi-2,2,6,6-tetrametil-4-piperidinil)-1,3,5-triazina], 1,6-hexanodiamina N, N'-bis(2,2,6,6-tetrametil-4-piperidinil)-N, N'-bis-2-[4,5-bis-(N-n-butil-N'-2,2,6,6-tetrametil-4-piperidinil)-1,3,5-triazina], bis(l-undeciloxi-2,2,6,6-tetrametil-4-piperidil) éster de ácido carbónico, bis(2,2,6,6-tetrametil-4-piperidil)sebacato, bis(2,2,6,6-tetrametil-4-piperidil)succinato, bis(1,2,2,6,6-pentametil-4-piperidil)sebacato, bis(1-octiloxi-2,2,6,6-tetrametil-4-piperidil)sebacato, bis(1,2,2,6,6-pentametil-4-piperidil) n-butil-3.5- di-tert-butil-4-hidroxibencilmalonato, el condensado de 1-(2-hidroxietil)-2,2,6,6-tetrametil-4-hidroxipiperidina y ácido succínico, con estados lineales o cíclicos de N,N'-bis(2,2,6,6-tetrametil-4-piperidil)hexametilendiamina y 4-tertoctilamino-2,6-dicloro-1,3,5-triazina, tris(2,2,6,6-tetrametil-4-piperidil)nitrilotriacetato, tetrakis(2,2,6,6-tetrametil-4-piperidil)-1,2,3,4-butanotetracarboxilato, 1,1'-(1,2-etanodiil)-bis(3,3,5,5-tetrametilpiperazinona), 4-benzoil-2,2,6,6-tetrametilpiperidina, 4-esteariloxi-2,2,6,6-tetrametilpiperidina, bis(1,2,2,6,6-pentametilpiperidil)-2-n-butil-2-(2-hidroxi-3.5- di-tert-butilbencil)-malonato, 3-n-octil-7,7,9,9-tetrametil-1,3,8-triazaespiro[4.5]decane-2,4-diona, bis(1 -octiloxi-2,2,6,6-tetrametilpiperidil)sebacato, bis(1-octiloxi-2,2,6,6-tetrametilpiperidil)succinato, con estados lineales o cíclicos de N,N'-bis(2,2,6,6-tetrametil-4-piperidil)hexametilendiamina y 4-morfolino-2,6-dicloro-1,3,5-triazina, el condensado de 2-cloro-4,6-bis(4-n-butilamino-2,2,6,6-tetrametilpiperidil)-1,3,5-triazina y 1,2-bis(3-aminopropilamino)etano, el condensado de 2-cloro-4,6-di-(4-n-butilamino-1,2,2,6,6-pentametilpiperidil)-1,3,5-triazina y 1,2-bis(3-aminopropilamino)etano, 8-acetil-3-dodecil-7,7,9,9-tetrametil-1,3,8-triazaspiro[4.5]decano-2,4-diona, 3-dodecil-1 -(2,2,6,6-tetrametil-4-piperidil)pirrolidin-2,5-diona, 3-dodecil-1-(1,2,2,6,6-pentametil-4-piperidil)pirrolidin-2,5-diona, una mezcla de 4-hexadeciloxi- y 4-esteariloxi-2,2,6,6-tetrametilpiperidina, un condensado de N,N'-bis(2,2,6,6-tetrametil-4-piperidil)hexametilendiamina y 4-ciclohexilamino-2,6-dicloro-1,3,5-triazina, un condensado de 1,2-bis(3-aminopropilamino)etano y 2,4,6-tricloro-1,3,5-triazina así como 4-butilamino-2,2,6,6-tetrametilpiperidina (reg. c As No. [136504-96-6]); un condensado de 1,6-hexanodiamina y 2,4,6-tricloro-1,3,5-triazina así como N,N-dibutilamina y 4-butilamino-2,2,6,6-tetrametilpiperidina (reg. CAS No. [192268-64-7]); N-(2,2,6,6-tetrametil-4-piperidil)-ndodecilsuccinimida, N-(1,2,2,6,6-pentametil-4-piperidil)-n-dodecilsuccinimida, 2-undecil-7,7,9,9-tetrametil-1-oxa-3,8-diaza-4-oxo-spiro[4,5]decano, un producto de reacción de 7,7,9,9-tetrametil-2-cicloundecil-1-oxa-3,8-diaza-4-oxospiro-[4,5]decano y epiclorhidrina, 1, 1 -bis(1,2,2,6,6-pentametil-4-piperidiloxicarbonil)-2-(4-metoxifenil)eteno, N,N'-bis-formil-N,N'-bis(2,2,6,6-tetrametil-4-piperidil)hexametilendiamina, un diéster de ácido 4-metoximetilenmalónico con 1,2,2,6,6-pentametil-4-hidroxipiperidina, poli[metilpropil-3-oxi-4-(2,2,6,6-tetrametil-4-piperidil)]siloxano, un producto de reacción de copolímero de anhídrido de ácido maleico-a-olefina con 2,2,6,6-tetrametil-4-aminopiperidina o 1,2,2,6,6-pentametil-4-aminopiperidina, 2,4-bis[N-(1-ciclohexiloxi-2,2,6,6-tetrametilpiperidin-4-il)-N-butilamino]-6-(2-hidroxietil)amino-1,3,5-triazina, 1-(2-hidroxi-2-metilpropoxi)-4-octadecanoiloxi-2,2,6,6-tetrametilpiperidina, 5-(2-etilhexanoil)oximetil-3,3,5-trimetil-2-morfolinona, Sanduvor (Clariant; reg. CAS No. 106917-31-1], 5-(2-etilhexanoil)oximetil-3,3,5-trimetil-2-morfolinona, el producto de reacción de 2,4-bis[(1-ciclohexiloxi-2,2,6,6-piperidin-4-il)butilamino]-6-cloro-s-triazina con N,N'-bis(3-aminopropil)etilendiamina), 1,3,5-tris(N-ciclohexil-N-(2,2,6,6-tetrametilpiperazin-3-ona-4-il)amino)-s-triazina, 1,3,5-tris(N-ciclohexil-N-(1,2,2,6,6-pentametilpiperazina-3-ona-4-il)amino)-s-triazina,
2.6 Derivados de benzoxazinona tales como por ejemplo 2,2'-(1,4-fenilen)bis[4H-3,1-benzoxazin-4-ona] (No. CAS 018600-59-4).
2.7. Oxamidas, por ejemplo 4,4'-dioctiloxioxanilida, 2,2'-dietoxioxanilida, 2,2'-dioctiloxi-5,5'-di-tert-butoxanilida, 2,2'-didodeciloxi-5,5'-di-tert-butoxanilida, 2-etoxi-2'-etiloxanilida, N,N'-bis(3-dimetilaminopropil)oxamida, 2-etoxi-5-tertbutil-2'-etoxanilida y su mezcla con 2-etoxi-2'-etil-5,4'-di-tert-butoxanilida, mezclas de oxanilidas disustituidas con metoxi en o y en p, y mezclas de oxanilidas disustituidas con etoxi en o y en p.
2.8. 2-(2-hidroxifenil)-1,3,5-triazinas, por ejemplo 2,4,6-tris(2-hidroxi-4-octiloxifenil)-1,3,5-triazina, 2-(2-hidroxi-4-octiloxifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2-(2,4-dihidroxifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2,4-bis(2-hidroxi-4-propiloxifenil)-6-(2,4-dimetilfenil)-1,3,5-triazina, 2-(2-hidroxi-4-octiloxifenil)-4,6-bis(4-metilfenil)-1,3,5-triazina, 2-(2-hidroxi-4-dodeciloxifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazi na, 2-(2-hidroxi-4-trideciloxifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2-[2-hidroxi-4-(2-hidroxi-3-butiloxipropoxi)fenil]-4,6-bis(2,4-dimetil)-1,3,5-triazina, 2-[2-hidroxi-4-(2-hidroxi-3-octiloxipropiloxi)fenil]-4,6-bis(2,4-dimetil)-1,3,5-triazina, 2-[4-(dodeciloxi/trideciloxi-2-hidroxipropoxi)-2-hidroxifenil]-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2-[2-hidroxi-4-(2-hidroxi-3-dodeciloxipropoxi)fenil]-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2-(2-hidroxi-4-hexiloxi)fenil-4,6-difenil-1,3,5-triazi na, 2-(2-hidroxi-4-metoxifenil)-4,6-difenil-1,3,5-triazina, 2,4,6-tris[2-hidroxi-4-(3-butoxi-2-hidroxipropoxi)fenil]-1,3,5-triazina, 2-(2-hidroxifenil)-4-(4-metoxifenil)-6-fenil-1,3,5-triazina, 2-{2-hidroxi-4-[3-(2-etilhexil-1-oxi)-2-hidroxipropiloxi]fenil}-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina, 2,4-bis(4-[2-etilhexiloxi]-2-hidroxifenil)-6-(4-metoxifenil)-1,3,5-triazina, 2-(4,6-bis-bifenil-4-il-1,3,5-triazin-2-il)-5-(2-etil-(n)-hexiloxi)fenol.
3. Desactivadores de metal, por ejemplo N,N'-difeniloxamida, N-salicilal-N'-saliciloil hidrazina, N,N'-bis(saliciloil)hidrazina, N,N'-bis(3,5-di-tert-butil-4-hidroxifenilpropionil)hidrazina, 3-saliciloilamino-1,2,4-triazol, bis(bencilidan)oxalil dihidrazida, oxanilida, isoftaloilo dihidrazida, sebacoil bisfenilhidrazida, N,N'-diacetiladipoli dihidrazida, N,N'-bis(saliciloil)oxalil dihidrazida, N,N'-bis(saliciloil)tiopropionil dihidrazida.
3a. Formamidinas, por ejemplo etoxicarbonilfenil)-N'-etil-N'-fenil formamidina.
4. Fosfitos y fosfonitos, por ejemplo trifenil fosfito, difenilalquil fosfitos, fenildialquil fosfitos, tris(nonilfenil) fosfito, trilauril fosfito, trioctadecil fosfito, diestearilpentaeritritol difosfito, tris(2,4-di-tert-butilfenil) fosfito, diisodecil pentaeritritol difosfito, bis(2,4-di-tert-butilfenil)pentaeritritol difosfito, bis(2,4-di-cumilfenil)pentaeritritol difosfito, bis(2,6-di-tert-butil-4-metilfenil)pentaeritritol difosfito, diisodeciloxi-pentaeritritol difosfito, bis(2,4-di-tert-butil-6-metilfenil)pentaeritritol difosfito, bis(2,4,6-tris(tert-butilfenil)pentaeritritol difosfito, triestearil sorbitol trifosfito, tetrakis(2,4-di-tert-butilfenil) 4,4'-bifenileno difosfonito, [3,3',5,5'-tetra-tert. butil-1, 1 'bifenil-2,2'-diil]-[3-(3-metil-4-hidroxi-5-tert. butil-fenil)-propil]-fosfito, 6-isooctiloxi-2,4,8,10-tetra-tert-butil-12H-dibenz[d,g]-1,3,2-dioxafosfocina, bis(2,4-di-tert-butil-6-metilfenil)metil fosfito, bis(2,4-di-tert-butil-6-metilfenil)etil fosfito, tris-[4-tert. butil-2-(5-tert. butil-3H-1-benzofuran-2-ona)-fenil]-fosfito, tris-[4-(1,1'3,3'-tetrametil-butano)-2-(5-(1,1'3,3'-tetrametil-butano-3H-1-benzofuran-2-ona)-fenil]-fosfito, tris-[2,6-dimetil-(5,7-di-tert butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, bis-[2,6-dimetil-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fenil-fosfito, bis-[2,6-dimetil-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-[2,4-di-tert. butil-fenil]-fosfito, [3,3',5,5'-tetra-tert. butil-1, 1 'bifenil-2,2'-diil]-[4-tert. butil-(5-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [3,3',5,5'-tetra-tert. butil-1, 1 'bifenil-2,2'-diil]-[2,6-dimetil-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito,[2,2'-metilen-bis-(4,6-di-tert. butil-fenil)-1,1'-diil]-[1,6-dimetil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1,1'-diil]-[1,6-dimetil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1,1'-diil]-[1-metil-6-tert. butil-4-(5,7-di-tert butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito,bis-(2,6-dimetil-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenol) pentaeritritol difosfito, bis-(1-metil-6-tert. butil -(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenol) pentaeritritol difosfito, bis-(4-tert. butil -(5-tert. butil)-3H-1-benzofuran-2-ona)-fenol) pentaeritritol difosfito, bis-(4-(1,1'3,3'-tetrametil-butano)-(5-(1,1'3,3'-tetrametil-butano))-3H-1-benzofuran-2-ona)-fenol) pentaeritritol difosfito, 6-fluoro-2,4,8,10-tetra-tert-butil-12-metil-dibenz[d,g]-1,3,2-dioxafosfocina, 2,2',2"-nitrilo[trietiltris(3,3',5,5'-tetra-tert-butil-1,1'-bifenil-2,2'-diil)fosfito], 2-etilhexil(3,3',5,5'-tetra-tert-butil-1,1'-bifenil-2,2'-diil)fosfito, 5-butil-5-etil-2-(2,4,6-tri-tert-butilfenoxi)-1,3,2-dioxafosfirano.
Son especialmente preferidos los fosfitos:
Tris(2,4-di-tert-butilfenil) fosfito (Irgafos®168, Ciba Specialty Chemicals Inc.), tris(nonilfenil) fosfito, triésteres mixtos de ácido fosforoso con 2,4-bis(1,1-dimetilpropil)fenilo y 4-(1,1-dimetilpropil)fenilo (reg. CAS No. 939402-02-5), polímero de ácido fosforoso trifenil éster con ésteres de alfa-hidro-omega-hidroxipoli[oxi(metil-1,2-etanodiil) alquilo C10-16 (CAS Reg. No. 1227937-46-3).
[2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1,1'-diil]-[1,6-dimetil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito,[2,2'-etilen-bis-(4,6-di-tert.butilfenil)-1,1'-diil]-[1-metil-6-tert.butil-4-(5,7-di-tert.butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [3,3',5,5'-tetra-tert. butil-1,1'bifenil-2,2'-diil]-[3-(3-metil-4-hidroxi-5-tert. butil-fenil)-propil]-fosfito.
5. Hidroxilaminas, por ejemplo N,N-dibencilhidroxilamina, N,N-dietilhidroxilamina, N,N-dioctilhidroxilamina, N,N-dilaurilhidroxilamina, N,N-ditetradecilhidroxilamina, N,N-dihexadecilhidroxilamina, N,N-dioctadecilhidroxilamina, N-hexadecil-N-octadecilhidroxilamina, N-heptadecil-N-octadecilhidroxilamina, N,N-dialquilhidroxilamina derivadas de amina de sebo hidrogenado.
6. Óxidos de amina, óxido de por ejemplo N,N-dibencilhidroxilamina, óxido de N,N-dietilhidroxilamina, óxido de N,N-dioctilhidroxilamina, óxido de N,N-dilaurilhidroxilamina, óxido de N,N-ditetradecilhidroxilamina, óxido de N,N-dihexadecilhidroxilamina, óxido de N,N-dioctadecilhidroxilamina, óxido de N-hexadecil-N-octadecilhidroxilamina, óxido de N-heptadecil-N-octadecilhidroxilamina, óxido de N,N-dialquilhidroxilamina derivadas de amina hidrogenada de sebo.
7. Nitronas, por ejemplo, N-bencil-alfa-fenilnitrona, N-etil-alfa-metilnitrona, N-octil-alfa-heptilnitrona, N-lauril-alfaundecilnitrona, N-tetradecil-alfa-tridecilnnitrona, N-hexadecil-alfa-pentadecilnitrona, N-octadecil-alfaheptadecilnitrona, N-hexadecil-alfa-heptadecilnitrona, N-ocatadecil-alfa-pentadecilnitrona, N-heptadecil-alfaheptadecilnitrona, N-octadecil-alfa-hexadecilnitrona, derivado de nitrona de N,N-dialquilhidroxilamina derivadas de amina hidrogenada de sebo.
8. Tiosinergistas, por ejemplo dilauril tiodipropionato, dimistril tiodipropionato, diestearil tiodipropionato, pentaeritritol tetrakis[3-(dodeciltio)propionato] o distearil disulfuro.
9. Captores de peróxido, por ejemplo ésteres de ácido p-tiodi propiónico, por ejemplo los ésteres de laurilo, estearilo, miristilo o tridecilo, mercaptobencimidazoles o la sal de zinc de 2-mercaptobencimidazol, dibutilditiocarbamato de zinc, dioctadecil disulfuro, pentaeritritol tetrakis(p-dodecilmercapto)propionato.
10. Coestabilizantes básicos, por ejemplo melamina, polivinilpirrolidona, diciandiamida, trialil cianurato, derivados de urea, derivados de hidrazina, aminas, poliamidas, poliuretanos, sales de metales alcalinos y sales de metales alcalinotérreos de ácidos grasos superiores, por ejemplo estearato de calcio, estearato de zinc, behenato de magnesio, estearato de magnesio, ricinoleato de sodio y palmitato de potasio, pirocatecolato de antimonio o pirocatecolato de zinc, zeolitas, hidrotalcitas, hidrocalumitas.
11. Agentes de formación de núcleo, por ejemplo sustancias inorgánicas, tales como talco, óxidos metálicos, tales como dióxido de titanio u óxido de magnesio, fosfatos, carbonatos o sulfatos de, preferiblemente, metales alcalinotérreos; compuestos orgánicos tales como ácidos mono- o policarboxílicos y las sales de los mismos, por ejemplo, ácido 4-tert-butilbenzoico, ácido adípico, ácido difenilacético, succinato de sodio o benzoato de sodio; compuestos poliméricos, tales como copolímeros iónicos (ionómeros). Se prefieren especialmente 1,3:2,4-bis(3',4'-dimetilbencilidan)sorbitol, 1,3:2,4-di(parametildibencilidan)sorbitol, y 1,3:2,4-di(bencilidan)sorbitol. También son de interés los agentes de formación de núcleo beta.
12. Agentes de relleno y agentes de refuerzo, por ejemplo carbonato de calcio, silicatos, fibras de vidrio, fibras de carbono, esferas de vidrio, asbestos, talco (preferiblemente con un tamaño de partícula de 0.01 a 20 |jm), caolín, mica, sulfato de bario, óxidos e hidróxidos metálicos, negro de humo, grafito, harina de madera, harinas o fibras de otros productos naturales, fibras sintéticas.
13. Otros aditivos, por ejemplo plastificantes, lubricantes, emulsificantes, pigmentos, aditivos de reología, catalizadores, agentes de control de flujo, agentes que dan brillo óptico, agentes ignífugos, agentes antiestáticos, y agentes de soplado.
14. Benzofuranones y indolinonas, por ejemplo aquellas divulgadas en los documentos U.S. 4,325,863; U.S.
4,338,244; U.S. 5,175,312; U.S. 5,216,052; U.S. 5,252,643; DE-A-4316611; DE-A-4316622; DE-A-4316876; EP-A-0589839, EP-A-0591102; EP-A-1291384 o 3-[4-(2-acetoxietoxi)fenil]-5,7-di-tert-butilbenzofuran-2-ona, 5,7-di-tertbutil-3-[4-(2-stearoiloxietoxi)fenil]benzofuran-2-ona, 3,3'-bis[5,7-di-tert-butil-3-(4-[2-hidroxietoxi]fenil)benzofuran-2-ona], 5,7-di-tert-butil-3-(4-etoxifenil)benzofuran-2-ona, 3-(4-acetoxi-3,5-dimetilfenil)-5,7-di-tert-butilbenzofuran-2-ona, 3-(3,5-dimetil-4-pivaloiloxifenil)-5,7-di-tert-butilbenzofuran-2-ona, 3-(3,4-dimetilfenil)-5,7-di-tert-butilbenzofuran-2-ona, 3-(2,3-dimetilfenil)-5,7-di-tert-butilbenzofuran-2-ona, 3-(2-acetil-5-isooctilfenil)-5-isooctilbenzofuran-2-ona. Los aditivos convencionales pueden estar presentes en el polietileno de la tubería de acuerdo con la presente invención en una cantidad de, por ejemplo, 0.001 a 10 %, respecto al peso de polietileno.
Una realización adicional de la presente invención es la tubería de polietileno como se definió anteriormente, que está en contacto con agua clorada (desinfectantes comunes para agua clorada, tales como cloro (hipoclorito), dióxido de cloro y cloraminas) o no clorada.
Otra realización de la presente invención es el uso de una mezcla que contiene componentes A) y B) en una relación en peso de 1:10 a 10:1, para estabilizar una tubería de polietileno.
Todavía otra realización de la presente invención es un método para la estabilización de una tubería de polietileno, el cual comprende la incorporación de los componentes A) y B) dentro del polietileno, en una relación en peso de 1:10 a 10:1.
Las realizaciones de la presente invención incluyen tuberías para agua clorada o no clorada para aplicaciones domésticas, municipales o industriales, aplicaciones de tubería desde sin presión hasta alta presión, usadas para agua potable o no potable, para agua de propósito general o agua residual.
Los ejemplos abajo ilustran la invención en más detalle. Todos los porcentajes y partes están en peso, a menos que se declare de otro modo.
Aditivos usados en los siguientes ejemplos:
Irganox®1330:
(número CAS: 1709-70-2)
1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno
Irgafos®168:
(número CAS: 31570-04-4)
Tris[2,4-di-tert-butilfenil]fosfito
Sumilize®GP:
(número CAS: 203255-81-6)
6-[3-(3-tert-butil-4-hidroxi-5-metilfenil)propoxi]-2,4,8,10-tetra-tert-butildibenzo[d,f][1,3,2]dioxafosfepina Compuesto D-1:
Compuesto (108) divulgado en el ejemplo S-8 de WO-A-2015/121445
[2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1, 1 '-diil]-[1,6-dimetil-4(5,7-di-tert. butil)-3H-1 -benzofuran-2-ona)-fenil]-fosfito Chimassorb®2020:
(número CAS: 192268-64-7)
en la que E1 es
E2 es
y a1 es un número de 2 a 10.
Hycite®713:
(número CAS: 012304-65-3 o 11097-59-9)
Hidrotalcita (hidrato de carbonato hidróxido de magnesio aluminio)
Ejemplos:
Preparación de los especímenes de prueba: Se mezclan mediante un Mixaco Lab CM12 que tiene un dispositivo mezclador de alta velocidad, una mezcla de un polietileno de alta densidad no estabilizado (HD-PE; Hostalen®CRP-100; natural clasificado bajo PE 100 de LyondeNBasell; rata de flujo en fundido: 190 °C/5.0 kg: 0.23 g/10 min (ISO 1133); densidad: 0.95 g/cm3 (ISO 1183)) y los aditivos listados en la Tabla 1.
La formulación completa obtenida es luego compuesta en un extrusor Collin 25X42D a 240 °C y luego moldeada por inyección en un aparato Engel HL65 para moldeo por inyección, a 230 °C.
Las placas de 40 mm x 60 mm x 2 mm moldeadas por inyección son expuestas a agua clorada, bajo los siguientes parámetros: 40 °C, pH 7, 2 mg/l de NaClO y 50 l/hora. Los parámetros medidos son valores OIT usando un DSC Q2000 de TA Instrument (Waters) a 200 °C bajo O2 después de 0, 3 y 5 meses de exposición. En la Tabla 2 se listan los resultados de disminución.
Tabla 1:
Tabla 2:
Claims (15)
1. Una tubería de polietileno en la que los componentes de polietileno comprenden componentes A) y B), y en los que el componente A) es un estabilizante contra la luz de amina impedida que contiene un residuo de triazina, el componente B) es una hidrotalcita natural o sintética y la relación en peso de componente A) a componente B) es 1:10 a 10:1.
2. La tubería de polietileno de acuerdo con la reivindicación 1 en la que el componente A) es por lo menos un compuesto de las fórmulas (A-I), (A-II) o (A-III)
en las que A 11 es alquileno C2-C18, cicloalquileno C5-C7 o
alquileno C1-C4 di(cicloalquileno C5-C7),
los radicales A 12 son, independientemente de otro, hidrógeno, alquilo C1-C12 o cicloalquilo C5-C12,
A 13 y A14 son, independientemente de otro, hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1),
h3c c h 3
( N A12 (a-1)
'' /'.
ch3 c h .
o los radicales A 13 y A 14, junto con el átomo de nitrógeno al cual están enlazados, forman un anillo heterocíclico de 5 a 7 miembros y
a1 es un número de 1 a 20, preferiblemente 2 a 20, y las unidades que se repiten son idénticas o diferentes;
en la que A21 y A25 son, independientemente de otro, hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1),
A22, A23 y A24 son, independientemente de otro, alquileno C2-C10, y
X 1, X2 , X3 , X4 , X5 , X6, X7 y X8 son, independientemente de otro, un grupo de la fórmula (a-2),
en la cual A26 es hidrógeno, alquilo C1-C12, cicloalquilo C5-C12 o un grupo de la fórmula (a-1) como se definió anteriormente, y A27 tiene uno de los significados de A 12;
en la que
Ri y R2 son, independientemente de otro, hidrógeno, alquilo C1-C22, -O-, -OH, -CH2CN, alcoxi C1-C18, alcoxi C2-C18 sustituido por -OH; cicloalcoxi C5-C12, alquenilo C3-C6 , alqueniloxi C3-C6 , fenilalquilo C7-C9 no sustituido o sustituido en el fenilo por 1,2 o 3 alquilos C1-C4 ; o acilo C1-C8 ; y
R3 y R4 son, independientemente de otro, alquilo C1-C22 o un grupo de la fórmula (a-3)
en la que R0 tiene uno de los significados de R1 y R2.
3. La tubería de polietileno de acuerdo con la reivindicación 2 en la que
A11 es alquileno C2-C10,
los radicales A 12 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo, A13 y A14 son, independientemente de otro, hidrógeno, alquilo C1-C4 , ciclohexilo o un grupo de la fórmula (a-1),
h3c c h 3
< N A12 *a' 1*
CH3 c h 3
o los radicales A 13 y A14, junto con el átomo de nitrógeno al cual están enlazados, forman un grupo morfolino y a1 es un número de 1 a 10, preferiblemente 2 a 10, y las unidades que se repiten son idénticas o diferentes;
A21 y A25 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo,
A22, A23 y A24 son, independientemente de otro, alquileno C2-C10, y
X1, X2 , X3 , X4 , X5 , Xa, X7 y X8 son, independientemente de otro, un grupo de la fórmula (a-2),
h3c c h 3
N ( N A27 ía‘ 2>
A26 H3C ch3
en la cual A26 es hidrógeno, alquilo C1-C4 , ciclohexilo o un grupo de la fórmula (a-1) como se definió anteriormente, y A27 tiene uno de los significados de A 12;
R1 y R2 son, independientemente de otro, hidrógeno, alquilo C1-C4 o ciclohexilo; y
R3 y R4 son, independientemente de otro, alquilo C1-C4 o un grupo de la fórmula (a-3)
en la que R0 tiene uno de los significados de R1 y R2.
4. La tubería de polietileno de acuerdo con la reivindicación 1, en la que componente A) es un compuesto de las fórmulas (A-I-1), (A-I-2), (A-II-1) o (A-III-1),
,.N. (A-I-1)
N (CH2)e N - 'i ' '
-L, ........ N....... N
h3c . I....CH3 H3C... ' CU, "" H3C CH..
h3c ; N-'""-CH3 l,C K N < N H
H H .-CHg
c4 h9 h3c7 c h 3_
siendo a1 igual a 2 a 10,
siendo ai igual a 2 a 10,
en la que Xi, X2 , X3 , X4 , X5 , X6, X7 y X8 son el grupo
h3c c h 3
N--------/ N N— CH3
C4H9 H3C C H3
5. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 4, en la que el Componente B) es por lo menos un hidrato de carbonato hidróxido de magnesio aluminio o hidrato de carbonato hidróxido de zinc aluminio.
6. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 5 que comprende adicionalmente un componente C) que es un antioxidante fenólico.
7. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 6 que comprende adicionalmente un componente D), el cual es por lo menos un compuesto seleccionado de entre el grupo consistente en fosfitos, fosfonitos, hidroxilaminas, tocoferoles y tocoferol acetatos.
8. La tubería de polietileno de acuerdo con la reivindicación 6 en la que el antioxidante fenólico es 1,3,5-tris(3,5-ditert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno, etilen bis[3,3-bis(3-tert-butil-4-hidroxifenil)butirato] o 1,3,5-tris(3,5-ditert-butil-4-hidroxibencil)-isocianurato.
9. La tubería de polietileno de acuerdo con la reivindicación 7, en la que el componente D) es un fosfito, preferiblemente tris(2,4-di-tert-butilfenil) fosfito, [3,3',5,5'-tetra-tert. butil-1,1'bifenil-2,2'-diil]-[3-(3-metil-4-hidroxi-5-tert.butil-fenil)-propil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1,1,-diil]-[1,6-dimetil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito, [2,2'-etilen-bis-(4,6-di-tert. butil-fenil)-1,1'-diil]-[1-metil-6-tert. butil-4-(5,7-di-tert. butil)-3H-1-benzofuran-2-ona)-fenil]-fosfito o 6-[3-(3-tert-butil-4-hidroxi-5-metilfenil)propoxi]-2,4,8,10-tetra-tertbutildibenzo[d,1][1,3,2]dioxafosfepina.
10. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 9, comprendiendo la reivindicación 1 adicionalmente un pigmento, preferiblemente un pigmento azul.
11. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 10 en la que el polietileno es seleccionado de entre polietileno de alta densidad (HD-PE), polietileno de densidad media (MD-PE), polietileno (LD-PE) de baja densidad, polietileno lineal de baja densidad (LLD-PE), polietileno metaloceno, polietileno (PE-X) entrecruzado, polietileno reciclado, polietileno bimodal y mezclas de polietilenos.
12. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1, 10 y 11, que comprende los componentes (A), (B), (C) y (D), en los que el componente (A) es
siendo ai igual a 2 a 10,
el componente (B) es una hidrotalcita natural o sintética,
el componente (C) es 1,3,5-tris(3,5-di-tert-butil-4-hidroxibencil)-2,4,6-trimetilbenceno, y
el componente (D) es tris[2,4-di-tert-butilfenil]fosfito.
13. La tubería de polietileno de acuerdo con cualquiera de las reivindicaciones 1 a 12, que está en contacto con agua clorada o no clorada.
14. El uso de una mezcla que contiene los componentes A) y B) en una relación en peso de 1:10 a 10:1 como se definió la reivindicación 1, para estabilizar una tubería de polietileno, comprendiendo el uso la incorporación de dicha mezcla dentro de los componentes de polietileno.
15. Un método para la estabilización de una tubería de polietileno, el cual comprende la incorporación de los componentes A) y B) dentro del polietileno en una relación en peso de 1:10 a 10:1, como se definió en la reivindicación 1.
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