EP3911699A1 - Verwendung einer additivzusammensetzung zum kontrollierten beschleunigten abbau von kondensationspolymeren - Google Patents
Verwendung einer additivzusammensetzung zum kontrollierten beschleunigten abbau von kondensationspolymerenInfo
- Publication number
- EP3911699A1 EP3911699A1 EP20701684.1A EP20701684A EP3911699A1 EP 3911699 A1 EP3911699 A1 EP 3911699A1 EP 20701684 A EP20701684 A EP 20701684A EP 3911699 A1 EP3911699 A1 EP 3911699A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- condensation polymer
- agents
- acid
- phosphate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000642 polymer Polymers 0.000 title claims abstract description 102
- 239000000203 mixture Substances 0.000 title claims abstract description 92
- 238000009833 condensation Methods 0.000 title claims abstract description 71
- 230000005494 condensation Effects 0.000 title claims abstract description 71
- 239000000654 additive Substances 0.000 title claims abstract description 27
- 230000000996 additive effect Effects 0.000 title claims abstract description 15
- 238000000354 decomposition reaction Methods 0.000 title 1
- 229920005862 polyol Polymers 0.000 claims abstract description 24
- 150000003077 polyols Chemical class 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 14
- 230000007062 hydrolysis Effects 0.000 claims abstract description 14
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 14
- 150000002903 organophosphorus compounds Chemical class 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 150000003999 cyclitols Chemical class 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 7
- 230000015556 catabolic process Effects 0.000 claims description 31
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical class OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 29
- -1 aromatic dicarboxylic acids Chemical class 0.000 claims description 29
- 238000006731 degradation reaction Methods 0.000 claims description 29
- 229910019142 PO4 Inorganic materials 0.000 claims description 20
- 235000021317 phosphate Nutrition 0.000 claims description 20
- 239000004626 polylactic acid Substances 0.000 claims description 16
- 239000010452 phosphate Substances 0.000 claims description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 15
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 14
- 125000000217 alkyl group Chemical group 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 13
- 238000006068 polycondensation reaction Methods 0.000 claims description 13
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims description 12
- 229920001577 copolymer Polymers 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 8
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- 150000005846 sugar alcohols Chemical class 0.000 claims description 8
- REKYPYSUBKSCAT-UHFFFAOYSA-N 3-hydroxypentanoic acid Chemical compound CCC(O)CC(O)=O REKYPYSUBKSCAT-UHFFFAOYSA-N 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 7
- 239000004970 Chain extender Substances 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000001361 adipic acid Substances 0.000 claims description 6
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- 150000005840 aryl radicals Chemical class 0.000 claims description 6
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 6
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- CDAISMWEOUEBRE-GPIVLXJGSA-N inositol Chemical compound O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@H](O)[C@@H]1O CDAISMWEOUEBRE-GPIVLXJGSA-N 0.000 claims description 5
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- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- CDAISMWEOUEBRE-UHFFFAOYSA-N scyllo-inosotol Natural products OC1C(O)C(O)C(O)C(O)C1O CDAISMWEOUEBRE-UHFFFAOYSA-N 0.000 claims description 5
- 125000001424 substituent group Chemical group 0.000 claims description 5
- AXKZIDYFAMKWSA-UHFFFAOYSA-N 1,6-dioxacyclododecane-7,12-dione Chemical compound O=C1CCCCC(=O)OCCCCO1 AXKZIDYFAMKWSA-UHFFFAOYSA-N 0.000 claims description 4
- ZMKVBUOZONDYBW-UHFFFAOYSA-N 1,6-dioxecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCO1 ZMKVBUOZONDYBW-UHFFFAOYSA-N 0.000 claims description 4
- WHBMMWSBFZVSSR-UHFFFAOYSA-N 3-hydroxybutyric acid Chemical compound CC(O)CC(O)=O WHBMMWSBFZVSSR-UHFFFAOYSA-N 0.000 claims description 4
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- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 4
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 4
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 4
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 4
- 150000001735 carboxylic acids Chemical class 0.000 claims description 4
- 239000003431 cross linking reagent Substances 0.000 claims description 4
- 150000002009 diols Chemical class 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000002667 nucleating agent Substances 0.000 claims description 4
- PXQPEWDEAKTCGB-UHFFFAOYSA-N orotic acid Chemical compound OC(=O)C1=CC(=O)NC(=O)N1 PXQPEWDEAKTCGB-UHFFFAOYSA-N 0.000 claims description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 4
- 239000004014 plasticizer Substances 0.000 claims description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920001610 polycaprolactone Polymers 0.000 claims description 4
- 239000004632 polycaprolactone Substances 0.000 claims description 4
- 150000004760 silicates Chemical class 0.000 claims description 4
- 239000000600 sorbitol Substances 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 claims description 4
- KENFVQBKAYNBKN-UHFFFAOYSA-N trihexadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCC KENFVQBKAYNBKN-UHFFFAOYSA-N 0.000 claims description 4
- QEDNBHNWMHJNAB-UHFFFAOYSA-N tris(8-methylnonyl) phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OCCCCCCCC(C)C QEDNBHNWMHJNAB-UHFFFAOYSA-N 0.000 claims description 4
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 3
- 239000004386 Erythritol Substances 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- FRXGWNKDEMTFPL-UHFFFAOYSA-N dioctadecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCCCCCCCC FRXGWNKDEMTFPL-UHFFFAOYSA-N 0.000 claims description 3
- 235000019414 erythritol Nutrition 0.000 claims description 3
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 claims description 3
- 229940009714 erythritol Drugs 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- SZINCDDYCOIOJQ-UHFFFAOYSA-L manganese(2+);octadecanoate Chemical compound [Mn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O SZINCDDYCOIOJQ-UHFFFAOYSA-L 0.000 claims description 3
- 125000005487 naphthalate group Chemical group 0.000 claims description 3
- UHGIMQLJWRAPLT-UHFFFAOYSA-N octadecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(O)(O)=O UHGIMQLJWRAPLT-UHFFFAOYSA-N 0.000 claims description 3
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 3
- 229920000070 poly-3-hydroxybutyrate Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004631 polybutylene succinate Substances 0.000 claims description 3
- 229920002961 polybutylene succinate Polymers 0.000 claims description 3
- 238000007151 ring opening polymerisation reaction Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- FDGZUBKNYGBWHI-UHFFFAOYSA-N trioctadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC FDGZUBKNYGBWHI-UHFFFAOYSA-N 0.000 claims description 3
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 claims description 2
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 2
- AFGNPFWWBHDPEN-UHFFFAOYSA-N 1,6-dioxacyclododecane-2,5-dione Chemical compound O=C1CCC(=O)OCCCCCCO1 AFGNPFWWBHDPEN-UHFFFAOYSA-N 0.000 claims description 2
- SERLAGPUMNYUCK-DCUALPFSSA-N 1-O-alpha-D-glucopyranosyl-D-mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O SERLAGPUMNYUCK-DCUALPFSSA-N 0.000 claims description 2
- FTPQDBUUQXJGNL-UHFFFAOYSA-N 1-n,3-n,5-n-tris(4-methylcyclohexyl)benzene-1,3,5-tricarboxamide Chemical compound C1CC(C)CCC1NC(=O)C1=CC(C(=O)NC2CCC(C)CC2)=CC(C(=O)NC2CCC(C)CC2)=C1 FTPQDBUUQXJGNL-UHFFFAOYSA-N 0.000 claims description 2
- QCHZUINRDLKKJX-UHFFFAOYSA-N 1-n,3-n,5-n-tritert-butylbenzene-1,3,5-tricarboxamide Chemical compound CC(C)(C)NC(=O)C1=CC(C(=O)NC(C)(C)C)=CC(C(=O)NC(C)(C)C)=C1 QCHZUINRDLKKJX-UHFFFAOYSA-N 0.000 claims description 2
- PTJWCLYPVFJWMP-UHFFFAOYSA-N 2-[[3-hydroxy-2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)COCC(CO)(CO)CO PTJWCLYPVFJWMP-UHFFFAOYSA-N 0.000 claims description 2
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- JJTUDXZGHPGLLC-IMJSIDKUSA-N 4511-42-6 Chemical compound C[C@@H]1OC(=O)[C@H](C)OC1=O JJTUDXZGHPGLLC-IMJSIDKUSA-N 0.000 claims description 2
- WKPLFYFTQNLMOZ-UHFFFAOYSA-N 6-(dicyclohexylcarbamoyl)naphthalene-2-carboxylic acid Chemical compound C1=CC2=CC(C(=O)O)=CC=C2C=C1C(=O)N(C1CCCCC1)C1CCCCC1 WKPLFYFTQNLMOZ-UHFFFAOYSA-N 0.000 claims description 2
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- 229930014626 natural product Natural products 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 229960005010 orotic acid Drugs 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229910052625 palygorskite Inorganic materials 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 229920002791 poly-4-hydroxybutyrate Polymers 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000001205 polyphosphate Substances 0.000 claims description 2
- 235000011176 polyphosphates Nutrition 0.000 claims description 2
- 229920006375 polyphtalamide Polymers 0.000 claims description 2
- LRGQZEKJTHEMOJ-UHFFFAOYSA-N propane-1,2,3-triol;zinc Chemical compound [Zn].OCC(O)CO LRGQZEKJTHEMOJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000012779 reinforcing material Substances 0.000 claims description 2
- 239000006254 rheological additive Substances 0.000 claims description 2
- HEBKCHPVOIAQTA-ZXFHETKHSA-N ribitol Chemical compound OC[C@H](O)[C@H](O)[C@H](O)CO HEBKCHPVOIAQTA-ZXFHETKHSA-N 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- 229910000275 saponite Inorganic materials 0.000 claims description 2
- 229920006012 semi-aromatic polyamide Polymers 0.000 claims description 2
- 239000012748 slip agent Substances 0.000 claims description 2
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 2
- 239000004299 sodium benzoate Substances 0.000 claims description 2
- 235000010234 sodium benzoate Nutrition 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003623 transition metal compounds Chemical class 0.000 claims description 2
- 229960002622 triacetin Drugs 0.000 claims description 2
- GAJQCIFYLSXSEZ-UHFFFAOYSA-L tridecyl phosphate Chemical compound CCCCCCCCCCCCCOP([O-])([O-])=O GAJQCIFYLSXSEZ-UHFFFAOYSA-L 0.000 claims description 2
- OHRVKCZTBPSUIK-UHFFFAOYSA-N tridodecyl phosphate Chemical compound CCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCC)OCCCCCCCCCCCC OHRVKCZTBPSUIK-UHFFFAOYSA-N 0.000 claims description 2
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 claims description 2
- WEAPVABOECTMGR-UHFFFAOYSA-N triethyl 2-acetyloxypropane-1,2,3-tricarboxylate Chemical compound CCOC(=O)CC(C(=O)OCC)(OC(C)=O)CC(=O)OCC WEAPVABOECTMGR-UHFFFAOYSA-N 0.000 claims description 2
- SFDDTXRBURGINB-UHFFFAOYSA-N trihexadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCC SFDDTXRBURGINB-UHFFFAOYSA-N 0.000 claims description 2
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 claims description 2
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 claims description 2
- SVETUDAIEHYIKZ-IUPFWZBJSA-N tris[(z)-octadec-9-enyl] phosphate Chemical compound CCCCCCCC\C=C/CCCCCCCCOP(=O)(OCCCCCCCC\C=C/CCCCCCCC)OCCCCCCCC\C=C/CCCCCCCC SVETUDAIEHYIKZ-IUPFWZBJSA-N 0.000 claims description 2
- 239000010455 vermiculite Substances 0.000 claims description 2
- 229910052902 vermiculite Inorganic materials 0.000 claims description 2
- 235000019354 vermiculite Nutrition 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 239000000811 xylitol Substances 0.000 claims description 2
- 235000010447 xylitol Nutrition 0.000 claims description 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 2
- 229960002675 xylitol Drugs 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 125000005119 alkyl cycloalkyl group Chemical group 0.000 claims 2
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- KZGROEDUAFPSGN-UHFFFAOYSA-N (2,4-ditert-butylphenyl) dihydrogen phosphate Chemical compound CC(C)(C)C1=CC=C(OP(O)(O)=O)C(C(C)(C)C)=C1 KZGROEDUAFPSGN-UHFFFAOYSA-N 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 claims 1
- 239000002318 adhesion promoter Substances 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims 1
- 229910052622 kaolinite Inorganic materials 0.000 claims 1
- XIPFMBOWZXULIA-UHFFFAOYSA-N pivalamide Chemical compound CC(C)(C)C(N)=O XIPFMBOWZXULIA-UHFFFAOYSA-N 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 239000008247 solid mixture Substances 0.000 claims 1
- 239000013008 thixotropic agent Substances 0.000 claims 1
- 239000003054 catalyst Substances 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 230000006641 stabilisation Effects 0.000 description 7
- 238000011105 stabilization Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- 239000000155 melt Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 230000003301 hydrolyzing effect Effects 0.000 description 4
- 238000003776 cleavage reaction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000007017 scission Effects 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229930182843 D-Lactic acid Natural products 0.000 description 2
- JVTAAEKCZFNVCJ-UWTATZPHSA-N D-lactic acid Chemical compound C[C@@H](O)C(O)=O JVTAAEKCZFNVCJ-UWTATZPHSA-N 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000012620 biological material Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 229940022769 d- lactic acid Drugs 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920009537 polybutylene succinate adipate Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- GGQHNQQPLWRNHD-UHFFFAOYSA-N 1,3,7,9-tetratert-butyl-11-hydroxy-5h-benzo[d][1,3,2]benzodioxaphosphocine 11-oxide Chemical compound C1C2=CC(C(C)(C)C)=CC(C(C)(C)C)=C2OP(O)(=O)OC2=C1C=C(C(C)(C)C)C=C2C(C)(C)C GGQHNQQPLWRNHD-UHFFFAOYSA-N 0.000 description 1
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical group C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 1
- RIZUCYSQUWMQLX-UHFFFAOYSA-N 2,3-dimethylbenzoic acid Chemical compound CC1=CC=CC(C(O)=O)=C1C RIZUCYSQUWMQLX-UHFFFAOYSA-N 0.000 description 1
- AIBRSVLEQRWAEG-UHFFFAOYSA-N 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP1OCC2(COP(OC=3C(=CC(=CC=3)C(C)(C)C)C(C)(C)C)OC2)CO1 AIBRSVLEQRWAEG-UHFFFAOYSA-N 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 108010076876 Keratins Proteins 0.000 description 1
- 102000011782 Keratins Human genes 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229920006237 degradable polymer Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- GXBGHKJXMVLQIH-UHFFFAOYSA-N hexadecyl dihydrogen phosphite Chemical compound CCCCCCCCCCCCCCCCOP(O)O GXBGHKJXMVLQIH-UHFFFAOYSA-N 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000012690 ionic polymerization Methods 0.000 description 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- CPEULHAPWXMDDV-UHFFFAOYSA-N n-[3,5-bis(2,2-dimethylpropanoylamino)phenyl]-2,2-dimethylpropanamide Chemical compound CC(C)(C)C(=O)NC1=CC(NC(=O)C(C)(C)C)=CC(NC(=O)C(C)(C)C)=C1 CPEULHAPWXMDDV-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 0.000 description 1
- 238000001291 vacuum drying Methods 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0033—Additives activating the degradation of the macromolecular compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
- C08J11/28—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic compounds containing nitrogen, sulfur or phosphorus
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/527—Cyclic esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/24—Thermosetting resins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Definitions
- the invention relates to the use of a mixture consisting of at least one aliphatic or cycloaliphatic polyol, in particular an alditol or cyclitol and at least one organic phosphorus compound as an additive catalyzing under protic conditions as the hydrolysis of condensation polymers (hydrolysis catalyst).
- the invention further relates to a condensation polymer composition which contains at least one aliphatic or cycloaliphatic polyol, in particular an alditol and / or cyclitol, at least one organic phosphorus compound and at least one condensation polymer and is free from a compound as defined below according to formula IV.
- Another aspect of the invention is a molding composition or a molding which can be produced from the condensation polymer composition according to the invention.
- the invention is based on a
- Polyesters for example PET, or polyamides, for example PA 6, are important plastics for packaging and technical applications. In many cases, these plastics are intended for many years of use. A high stability of the polymers against external influences is therefore desirable.
- condensation polymers are particularly suitable.
- condensation polymers can be cleaved hydrolytically into low-molecular, short-chain fragments with functional groups. The fragments are metabolized by some microorganisms and can thus be fed into a natural material cycle.
- Polylactic acid (PLA), poly-3-hydroxybutyrate, poly-3-hydroxyvalerate, poly (butylene succinate) or poly (butylene succinate co-adipate) are increasing. They are increasingly replacing oil-based plastics and have already established themselves in the packaging industry and in agricultural applications.
- Polycondensate raw product comes to problems and that thermal (pre) damage occurs in the manufacture of various plastic parts.
- the degradation of condensation polymers can be accelerated by special environmental conditions, for example through the use of selected microorganisms (W. Pattanasuttichonlakul et al., International Biodeterioration & Biodegrada tion, 2018, 132, 74-83) or enzymes (WO 2005/063037 Al) the.
- Another possibility is the addition of mining-promoting additives.
- silica nanoparticles which are known to cause photocatalytic degradation, should be mentioned (P. Georgiopoulus et al., Journal of Biomaterials Applications, 2014, 29, 662-674).
- Oxidation-promoting additives such as manganese stearate (CN 103408827) can also be used to accelerate degradation.
- PLA Another method of influencing the rate of degradation of PLA is to add inorganic fillers such as MgO or ZnO (US 2014/0360728 Al) or organic fillers such as chitosan or keratin (MA Elsawy et al., Renewable and Sustainable Energy Reviews 2017, 79, 1346-1352).
- inorganic fillers such as MgO or ZnO (US 2014/0360728 Al) or organic fillers such as chitosan or keratin (MA Elsawy et al., Renewable and Sustainable Energy Reviews 2017, 79, 1346-1352).
- inorganic fillers such as MgO or ZnO (US 2014/0360728 Al) or organic fillers such as chitosan or keratin (MA Elsawy et al., Renewable and Sustainable Energy Reviews 2017, 79, 1346-1352).
- blends can also be made from PLA and rapidly degradable polymers, such as blends from PLA
- condensation polymers can be stabilized with the aid of phosphites.
- the combinations of phosphites with other stabilizers, for example antioxidants, are also customary and are described, for example, in WO 2010/000638 A1.
- EP 2 558 737 A1 discloses a condensation polymer composition which contains a selected phosphite stabilizer and a cyclic polyol.
- the invention thus relates to the use of a mixture consisting of at least one polyol selected from the group consisting of aliphatic or cycloaliphatic polyols (A) and at least one organic phosphorus compound (B) as the hydrolysed under protic conditions se from condensation polymer catalyzing additive (hydrolysis catalyst).
- a hydrolysis catalyst is understood to mean a mixture of substances which promotes the hydrolytic cleavage of the covalent bonds in the condensation polymer and thereby increases the rate of degradation of the condensation polymer by hydrolysis.
- the increase in hydrolytic degradation can e.g. on the basis of comparative experiments of the mixture containing polycondensation polymers described with polycondensation polymers not containing the mixture described under protic conditions (for example in the presence of water).
- the hydrolytic degradation can be determined on the basis of the melt flow index (e.g. the melt volume flow rate (MVR), determinable in accordance with EN ISO 1133-1: 2011), an increased melt flow index for an increased degradation and thus for an increased melt flow index
- MVR melt volume flow rate
- the mixture can preferably be used simultaneously as an additive for a polycondensation polymer which thermally stabilizes under aprotic conditions (e.g. in the absence of moisture).
- a thermally stabilizing additive is a mixture of substances that reduces the temperature-related degradation of condensation polymers. Reduced degradation is particularly important when processing the raw polymer.
- a stabilizing additive can be used effectively, for example.
- the degree of thermal stabilization can be determined by looking at the molecular weight, viscosity or melt flow index (e.g. the Melt volume flow rate (MVR)) can be measured both before and after the effect of temperature on the condensation polymer.
- MVR Melt volume flow rate
- Aprotic conditions mean that only molecules are present that do not have functional groups from which hydrogen atoms can be split off as protons. Such conditions occur, for example, in the thermoplastic processing of poly condensation polymers, in particular thermoplastic polycondensation polymers (in particular during the extrusion) in the substantial absence of moisture. In contrast, in protic conditions there is at least one solvent or other compound that releases protons, e.g. Water.
- condensation polymer is selected from the group consisting of
- Polyesters from aliphatic or aromatic dicarboxylic acids and diols or from hydroxycarboxylic acids such as e.g. Polylactic acid (PLA), polybutylene succinate, polybutylene succinate-co-adipate, poly (butylene adipate) (PBA), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polypropylene terephthalate (PPT), polyethylene naphthylate, poly-1,4-hexane dimethylbenzate Polyhydroxy naphthalate,
- PLA Polylactic acid
- PBA polybutylene succinate
- PBA polyethylene terephthalate
- PBT polybutylene terephthalate
- PPT polypropylene terephthalate
- Polyethylene naphthylate poly-1,4-hexane dimethylbenzate
- PA 6 PA 6.6, PA 6.10, PA 4.6, PA 4.10, PA 6.12, PA 10.10, PA 12.12, PA 10.12, PA 11, PA 12;
- Partially aromatic polyamides such as polyphthalamides, for example Herge provides from terephthalic acid and / or isophthalic acid and aliphatic diamines or from aliphatic dicarboxylic acids such as adipic acid or sebacic acid and aromatic diamines such as 1, 4- or 1,3-diaminobenzene;
- the condensation polymer is preferably selected from the group consisting of PLA, poly (butylene adipate) (PBA), polycaprolactone (PCL), poly-3-hydroxybutyrate, poly-4-hydroxybutyrate, poly-3-hydroxyvalerate, poly (hexamethylene succinate) , Poly (butylene succinate) and copolymers such as
- the polycondensation polymers mentioned can be obtained by condensation reactions from alpha, omega-functional monomers or from several difunctional monomers by condensation reactions, e.g. produced by splitting off water using customary technical processes. However, it is also possible to synthesize these polymers by ring-opening polymerization, for example polylactides
- Polylactic acid obtained from lactide by ring-opening ionic polymerization.
- the mixture of the at least one polyol, selected from the group consisting of aliphatic or cycloaliphatic polyols, and the at least one organic phosphorus compound is advantageously used as a stabilizer or hydrolysis catalyst for PLA, PBA and copolymers thereof, the PLA copolymers preferably being ring-opening Polymerization of D-lactide and / or L-lactide with comonomers selected from hydroxycarboxylic acids, in particular glycolic acid, 4-hydroxybutyric acid, 3 hydroxybutyric acid, 3-hydroxyvaleric acid or mandelic acid; Diols, especially ethylene glycol or butanediol; and / or carboxylic acids, in particular adipic acid, sebacic acid or terephthalic acid.
- hydroxycarboxylic acids in particular glycolic acid, 4-hydroxybutyric acid, 3 hydroxybutyric acid, 3-hydroxyvaleric acid or mandelic acid
- Diols especially ethylene glycol or butane
- condensation polymers are copolymers, they can be in the form of random (“random"), block or "tapered” structures.
- the at least one aliphatic or cycloaliphatic polyol (A) is selected from the group consisting of polyols with at least four OH groups, preferably from alditols and / or cyclitols with at least four OH groups, in particular selected from the group consisting of threitol, erythritol, galactitol, mannitol, ribitol, sorbitol, xylitol, arabitol, isomalt, inositol, lactitol, maltitol, altritol, iditol, maltotriol, pentaerythritol, dipentaerythritol, tripentaerythritol and mixtures thereof, particularly preferred are myo-inosi
- the at least one organic phosphorus compound is preferably selected from the group consisting of organic phosphites, organic phosphonites, organic phosphonates or organic phosphates and mixtures and combinations thereof
- At least one organic phosphite (B) is particularly preferably contained in the mixture, this can e.g. an easily hydrolyzable phosphite such as be a phosphite with aliphatic groups.
- the at least one phosphite is preferably a phosphite with the general formula (I)
- R 1 , R 2 and R 3 are independently selected from the group consisting of optionally substituted
- C 4 -C 32 alkyl, cycloalkyl and aryl radicals, or the substituent R 1 is selected from the group consisting of optionally substituted C 4 -C 32 alkyl, cycloalkyl and aryl radicals and R 2 with R 3 to form a cyclic System, especially a Spiro cycle, is connected.
- R 1 is selected from optionally substituted C 4 -C 3 2 alkyl or aryl radicals.
- n 1-100, preferably 2-10
- trilauryl phosphite triisodecyl phosphite, tridecyl phosphite, trihexadecyl phosphite (tricetyl phosphite), trioctadecyl phosphite, tribehenyl phosphite, triarachidyl phosphite, triceryl phosphite, tri cetyl phosphite and trioleyl phosphite
- phosphites contain one or more benzofuran groups as substituents. These connections are e.g. accessible as described in WO 2017/025431 A1. The disclosure content of this publication with regard to the benzofuran-substituted phosphites mentioned is also made the subject of the present patent application. Exemplary phosphites are e.g.
- the at least one organic phosphite (B) is advantageously free of a compound of the formula (IV)
- R 20 and / or R 21 occur independently of one another on each occurrence, a hydrogen atom, a Ci-g-alkyl group, a Cs-s-cycloalkyl group, a C 6 -i 2 - alkylcycloalkyl group, a C 7 -i 2 aralkyl group or a Are phenyl group
- R 23 and R 24 are, independently of one another, a hydrogen atom, a C 1-8 alkyl group, a C 5.8 cycloalkyl group, a C 6 -i 2 alkylcyclcloalkyl group, a C 7 -i 2 aralkyl group or a phenyl group,
- R 22 is a hydrogen atom or an alkyl group on each occurrence
- L 5 is a single bond, a sulfur atom or a divalent group according to the formula (IVa)
- R 25 is -C- H, where R 25 represents a hydrogen atom, a Ci- 8 alkyl group or a Cs- 8 cycloalkyl group,
- L 6 is a C 2 -s-alkylene group or a divalent group according to the formula (IVb) where L 7 is a single bond or a Ci- 8 alkylene group, and * represents an oxygen binding site, and one of Z 1 and Z 2 is a hydroxyl group, a Ci 8 alkyl group, a Ci 8 alkoxy group or a C 7.i2 aralkyloxy group and the other is a hydrogen atom or a Ci 8 alkyl group.
- mixture according to the invention is preferably free of the compounds of the general formula IV.
- Preferred phosphates correspond structurally to the phosphites indicated above and can be obtained, for example, by oxidizing these phosphites to the corresponding phosphate.
- Particularly preferred phosphates are trilauryl phosphate, triisodecyl phosphate, tridecyl phosphate,
- Trihexadecyl phosphate Trihexadecyl phosphate, trioctadecyl phosphate, tribehenyl phosphate,
- Triarachidyl phosphate Triarachidyl phosphate, triceryl phosphate, tricetyl phosphate and
- Trioleyl phosphate Trioleyl phosphate. Diphosphates and polyphosphates are also suitable.
- the phosphoric acid on which the phosphates are based can also be only partially esterified, e.g. Monostearyl phosphate or
- Distearyl phosphate or as a mixture of a monoalkyl phosphate, a dialkyl phosphate and / or a trialkyl phosphate.
- a preferred phosphonite is:
- a mixture is used in which the weight ratio of component (A) to component (B) is from 1:10 to 10: 1, preferably from 1: 5 to 2: 1.
- the invention relates to a condensation polymer composition containing or consisting of
- condensation polymer composition 0.01 to 5.00 parts by weight, preferably 0.05 to 3.00 parts by weight, at least one polyol, 0.01 to 5.00 parts by weight, preferably 0.05 to 1.00 parts by weight of at least one organic phosphorus compound, and 90.00 to 99.98 parts by weight, preferably 96.00 to 99.90 parts by weight of a condensation polymer or consists thereof.
- the condensation polymer composition can contain, in addition to components (A) to (C), at least one additive which is selected from the group consisting of primary antioxidants, secondary antioxidants, UV absorbers, light stabilizers, metal deactivators, filler deactivators, antiozonants, Nucleating agents,
- Antinucleating agents impact strength improvers, plasticizers, lubricants, rheology modifiers, thixotropy agents,
- Chain extenders processing aids, mold release agents, flame retardants, pigments, dyes, optical brighteners, anti-microbial agents, antistatic agents, slip agents, antiblocking agents, coupling agents, crosslinking agents, anti-crosslinking agents,
- Hydrophilizing agents hydrophobizing agents, flow promoters, dipergizing agents, compatibilizers, oxygen scavengers, acid scavengers, blowing agents, degradation additives, defoaming agents, odor scavengers, marking agents, antifogging agents, fillers, reinforcing materials and mixtures thereof.
- condensation polymer composition additionally contains at least one additive which is selected from i) degradation additives, preferably organic transition metal compounds. gene such as transition metal carboxylates, especially iron (III) stearate and / or manganese (II) stearate;
- plasticizers preferably tributyl acetyl citrate, tributyl citrate,
- Triethylacetyl citrate Triethylacetyl citrate, glycerol triacetate, epoxidized soybean oil and / or epoxidized linseed oil;
- Nucleating agents preferably talc, alkali or alkaline earth salts of mono- and polyfunctional carboxylic acids, especially benzoic acid, succinic acid, adipic acid, e.g. Sodium benzoate and aluminum hydroxy bis (4-tert-butyl) benzoate; Zinc glycerolate, 2,2'-methylene-bis- (4,6-di-tert-butylphenyl) phosphate, trisamides and diamides such as e.g.
- chain extenders preferably diepoxides, bis-oxazolines, bis-oxazolones, bis-oxazines, diisocyanates, dianhydrides, bis-acyl lactams, bis-maleimides, dicyanates, carbodiimides, and / or polymeric chain extenders, e.g. Polystyrene-polyacrylate-polyglycidyl (meth) acrylate copolymers, polystyrene-maleic anhydride copolymers and polyethylene-maleic anhydride copolymers;
- fillers preferably calcium carbonates, silicates, talc, mica, kaolins, metal oxides, metal hydroxides, carbon black, graphite, wood flour, fibers of natural products such as e.g. of cellulose; Hydrotalcites, zeolites and / or layered silicates such as e.g. Montmorillonite, bentonite, beidelite, mica, hectorite, saponite, vermiculite, ledikite, magadite, lllite, ka linite, wollastonite, attapulgite.
- the present invention also relates to a molding compound or a molded article producible from the condensation polymer composition described above.
- the molding compound or the molded part is in particular selected from injection molded parts, foils, films, tapes, hollow bodies, foams and / or fibers.
- Another aspect of the present invention relates to a method for producing the condensation polymer composition described above, in which a mixture consisting of at least one alditol and at least at least one organic phosphite is introduced into at least one condensation polymer.
- the mixture is preferably introduced into the condensation polymer in a proportion of at least 0.05% by weight.
- the mixture can be introduced into the at least one condensation polymer by first mixing it as a solid with the at least one condensation polymer and then melting the resulting mixture in an extruder.
- Extruders such as e.g. Single-screw extruders, twin-screw extruders, planetary roller extruders, ring extruders, co-kneaders, which are preferably equipped with vacuum degassing.
- the processing can be carried out under air or under inert gas conditions.
- the mixture according to the invention can also be introduced into the at least one condensation polymer in the form of a masterbatch or concentrate which contains, for example, 20-90% of the mixture according to the invention.
- the invention further relates to the use of the condensation polymer composition described above for the production of packaging, in particular packaging for food or cosmetic products; in the pharmaceutical industry, in particular for the encapsulation of active substances and other biologically active substances; in medical technology, in particular for the production of bandages and surgical sutures;
- condensation polymer compositions (VB1-VB4 and B1-B5) were made.
- MVR 8.8 cm 3/10 min measured at 190 ° C / 2.16 kg ram weight
- the polymers were dried in a vacuum drying cabinet at 80 ° C for at least 16 h.
- Ph-b Doverphos S 9228 (manufacturer Dover)
- Ph-d Mixture of tristearyl phosphate, distearyl phosphate and monostearyl phosphate, commercial product ADK rod AX 71 from Adeka.
- Al-a myo-inositol (a cyclitol)
- Al-b dipentaerythritol (an aliphatic polyol)
- Al-c erythritol (an alditol)
- condensation polymer compositions according to the invention (B1-B5) and the comparative examples (VB1-VB4) was carried out by extrusion with a co-rotating twin-screw extruder "Process 11" from Thermo Scientific, with a screw diameter of 11 mm and a length to diameter ratio (LD) of 40.
- compositions VB2-VB4 and B1-B5 the additives with the matrix polymer were mixed manually in a plastic bag and metered volumetrically. Processing was carried out at a throughput of 1 kg / h and a screw speed of 200 rpm at 200 ° C.
- the polymer was stored as granules in water at 58 ° C. and the MVR determined after 42 or 162 hours.
- the MVR was measured on a melt index tester MI-2 from the company
- the polymer degrades during water storage based on a higher molecular weight (lower MVR). It should be assumed that the degradation during water storage is also delayed (which is evidenced by the addition of the alditols alone), since a higher number of chain cleavages is necessary for a certain lower molecular weight. Surprisingly, the degradation is not delayed by the compositions according to the invention, but remains at least the same or is even accelerated.
- Ph-d Adekastab AX-71 (see above)
- Al-d Sorbitol (an alditol)
- compositions according to the invention show only a slight increase in the MVR value after extrusion and an accelerated degradation when stored in water, demonstrated by a higher MVR value, i.e. a lower molecular weight compared to the experiment without additives.
- Acceleration of the breakdown can be controlled and adjusted by the ratio of polyol and phosphorus component, with a high proportion of polyol contributing to processing stabilization and a high proportion of phosphorus component contributing to accelerated degradation.
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PCT/EP2020/000019 WO2020148089A1 (de) | 2019-01-17 | 2020-01-17 | Verwendung einer additivzusammensetzung zum kontrollierten beschleunigten abbau von kondensationspolymeren |
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CN113185683B (zh) * | 2021-04-26 | 2022-07-12 | 万华化学集团股份有限公司 | 一种大分子单体稳定剂的制备方法及其应用 |
DE102022203654A1 (de) * | 2022-04-12 | 2023-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verfahren zur Stabilisierung von Übergangsmetall enthaltenden Kunststoffen, stabilisierte, übergangsmetallhaltige Kunststoffzusammensetzungen, Formmasse oder Formteil sowie Verwendung einer Stabilisatorzusammensetzung zur Stabilisierung von Übergangsmetall enthaltenden Kunststoffen |
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