WO2013154351A1 - 복합 금속 산화물, 및 이를 이용하여 폴리에스테르를 제조하는 방법 - Google Patents
복합 금속 산화물, 및 이를 이용하여 폴리에스테르를 제조하는 방법 Download PDFInfo
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- WO2013154351A1 WO2013154351A1 PCT/KR2013/003005 KR2013003005W WO2013154351A1 WO 2013154351 A1 WO2013154351 A1 WO 2013154351A1 KR 2013003005 W KR2013003005 W KR 2013003005W WO 2013154351 A1 WO2013154351 A1 WO 2013154351A1
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- WIPO (PCT)
- Prior art keywords
- polyester
- metal oxide
- group
- composite metal
- formula
- Prior art date
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- 229920000728 polyester Polymers 0.000 title claims abstract description 81
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 67
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 65
- 239000002131 composite material Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 87
- 239000003054 catalyst Substances 0.000 claims abstract description 69
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 59
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 53
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 52
- 239000010936 titanium Substances 0.000 claims abstract description 52
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 34
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 23
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 51
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 46
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 238000006068 polycondensation reaction Methods 0.000 claims description 32
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 28
- 239000011574 phosphorus Substances 0.000 claims description 28
- 229910052698 phosphorus Inorganic materials 0.000 claims description 28
- 229910052782 aluminium Inorganic materials 0.000 claims description 27
- 239000011777 magnesium Substances 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 27
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 239000011572 manganese Substances 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 19
- 239000011575 calcium Substances 0.000 claims description 18
- 239000007790 solid phase Substances 0.000 claims description 18
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 17
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 238000005886 esterification reaction Methods 0.000 claims description 14
- 239000007791 liquid phase Substances 0.000 claims description 14
- 229910052749 magnesium Inorganic materials 0.000 claims description 14
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 229910052748 manganese Inorganic materials 0.000 claims description 12
- 150000004703 alkoxides Chemical class 0.000 claims description 10
- 125000000217 alkyl group Chemical group 0.000 claims description 10
- 229910052791 calcium Inorganic materials 0.000 claims description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 8
- 125000005103 alkyl silyl group Chemical group 0.000 claims description 8
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 8
- 239000007795 chemical reaction product Substances 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 8
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 7
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 7
- 230000000379 polymerizing effect Effects 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 2
- 235000013305 food Nutrition 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 claims 1
- 238000004383 yellowing Methods 0.000 abstract description 11
- 239000012760 heat stabilizer Substances 0.000 abstract description 10
- 230000003197 catalytic effect Effects 0.000 abstract description 8
- 230000000704 physical effect Effects 0.000 abstract description 5
- 238000000197 pyrolysis Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 3
- 239000012943 hotmelt Substances 0.000 abstract description 2
- 230000037048 polymerization activity Effects 0.000 abstract description 2
- 239000008188 pellet Substances 0.000 description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 23
- 229910052787 antimony Inorganic materials 0.000 description 14
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 10
- 239000012153 distilled water Substances 0.000 description 8
- 239000002904 solvent Substances 0.000 description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 7
- 238000005979 thermal decomposition reaction Methods 0.000 description 7
- 239000003017 thermal stabilizer Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 239000003086 colorant Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229920001225 polyester resin Polymers 0.000 description 6
- 239000004645 polyester resin Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 5
- 235000020188 drinking water Nutrition 0.000 description 5
- 239000005003 food packaging material Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 229940011182 cobalt acetate Drugs 0.000 description 4
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 4
- 238000007865 diluting Methods 0.000 description 4
- 238000002845 discoloration Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 150000001869 cobalt compounds Chemical class 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- CRGZYKWWYNQGEC-UHFFFAOYSA-N magnesium;methanolate Chemical compound [Mg+2].[O-]C.[O-]C CRGZYKWWYNQGEC-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000006864 oxidative decomposition reaction Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
- YZTJKOLMWJNVFH-UHFFFAOYSA-N 2-sulfobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O YZTJKOLMWJNVFH-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
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- 235000013361 beverage Nutrition 0.000 description 2
- 229910000428 cobalt oxide Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- TZWGXFOSKIHUPW-UHFFFAOYSA-L cobalt(2+);propanoate Chemical compound [Co+2].CCC([O-])=O.CCC([O-])=O TZWGXFOSKIHUPW-UHFFFAOYSA-L 0.000 description 2
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- GHLKSLMMWAKNBM-UHFFFAOYSA-N dodecane-1,12-diol Chemical compound OCCCCCCCCCCCCO GHLKSLMMWAKNBM-UHFFFAOYSA-N 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 150000003018 phosphorus compounds Chemical class 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 239000002685 polymerization catalyst Substances 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
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- 230000035484 reaction time Effects 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 238000004846 x-ray emission Methods 0.000 description 2
- LQINPQOSBLVJBS-UHFFFAOYSA-N 1,1,2,2-tetrachloroethanol Chemical compound OC(Cl)(Cl)C(Cl)Cl LQINPQOSBLVJBS-UHFFFAOYSA-N 0.000 description 1
- 229940058015 1,3-butylene glycol Drugs 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- RAADBCJYJHQQBI-UHFFFAOYSA-N 2-sulfoterephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(S(O)(=O)=O)=C1 RAADBCJYJHQQBI-UHFFFAOYSA-N 0.000 description 1
- WMRCTEPOPAZMMN-UHFFFAOYSA-N 2-undecylpropanedioic acid Chemical compound CCCCCCCCCCCC(C(O)=O)C(O)=O WMRCTEPOPAZMMN-UHFFFAOYSA-N 0.000 description 1
- MORLYCDUFHDZKO-UHFFFAOYSA-N 3-[hydroxy(phenyl)phosphoryl]propanoic acid Chemical compound OC(=O)CCP(O)(=O)C1=CC=CC=C1 MORLYCDUFHDZKO-UHFFFAOYSA-N 0.000 description 1
- HSSYVKMJJLDTKZ-UHFFFAOYSA-N 3-phenylphthalic acid Chemical compound OC(=O)C1=CC=CC(C=2C=CC=CC=2)=C1C(O)=O HSSYVKMJJLDTKZ-UHFFFAOYSA-N 0.000 description 1
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000012905 Brassica oleracea var viridis Nutrition 0.000 description 1
- RSPHENZARBZVKM-UHFFFAOYSA-N CC1(CC(C1(O)O)(C)C)C.CC1(CC(C1(O)O)(C)C)C Chemical compound CC1(CC(C1(O)O)(C)C)C.CC1(CC(C1(O)O)(C)C)C RSPHENZARBZVKM-UHFFFAOYSA-N 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- 229910021583 Cobalt(III) fluoride Inorganic materials 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- QEADBUGUEPFSPO-UHFFFAOYSA-J [Co](Br)Br.[Co](Cl)Cl Chemical compound [Co](Br)Br.[Co](Cl)Cl QEADBUGUEPFSPO-UHFFFAOYSA-J 0.000 description 1
- QVMHUALAQYRRBM-UHFFFAOYSA-N [P].[P] Chemical compound [P].[P] QVMHUALAQYRRBM-UHFFFAOYSA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- KYQRDNYMKKJUTH-UHFFFAOYSA-N bicyclo[2.2.1]heptane-3,4-dicarboxylic acid Chemical compound C1CC2(C(O)=O)C(C(=O)O)CC1C2 KYQRDNYMKKJUTH-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 1
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- IDUKLYIMDYXQQA-UHFFFAOYSA-N cobalt cyanide Chemical compound [Co].N#[C-] IDUKLYIMDYXQQA-UHFFFAOYSA-N 0.000 description 1
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 1
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 1
- 229910000152 cobalt phosphate Inorganic materials 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- AVWLPUQJODERGA-UHFFFAOYSA-L cobalt(2+);diiodide Chemical compound [Co+2].[I-].[I-] AVWLPUQJODERGA-UHFFFAOYSA-L 0.000 description 1
- ZBDSFTZNNQNSQM-UHFFFAOYSA-H cobalt(2+);diphosphate Chemical compound [Co+2].[Co+2].[Co+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O ZBDSFTZNNQNSQM-UHFFFAOYSA-H 0.000 description 1
- INDBQWVYFLTCFF-UHFFFAOYSA-L cobalt(2+);dithiocyanate Chemical compound [Co+2].[S-]C#N.[S-]C#N INDBQWVYFLTCFF-UHFFFAOYSA-L 0.000 description 1
- BZRRQSJJPUGBAA-UHFFFAOYSA-L cobalt(ii) bromide Chemical compound Br[Co]Br BZRRQSJJPUGBAA-UHFFFAOYSA-L 0.000 description 1
- YCYBZKSMUPTWEE-UHFFFAOYSA-L cobalt(ii) fluoride Chemical compound F[Co]F YCYBZKSMUPTWEE-UHFFFAOYSA-L 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- FJDJVBXSSLDNJB-LNTINUHCSA-N cobalt;(z)-4-hydroxypent-3-en-2-one Chemical compound [Co].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O FJDJVBXSSLDNJB-LNTINUHCSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- WYHYNUWZLKTEEY-UHFFFAOYSA-N cyclobutane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CC(C(O)=O)C1 WYHYNUWZLKTEEY-UHFFFAOYSA-N 0.000 description 1
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical compound OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 description 1
- PDXRQENMIVHKPI-UHFFFAOYSA-N cyclohexane-1,1-diol Chemical compound OC1(O)CCCCC1 PDXRQENMIVHKPI-UHFFFAOYSA-N 0.000 description 1
- XBZSBBLNHFMTEB-UHFFFAOYSA-N cyclohexane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1 XBZSBBLNHFMTEB-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- GKEMUBZAKCZMKO-UHFFFAOYSA-N ethane-1,2-diol;ethene Chemical compound C=C.OCCO GKEMUBZAKCZMKO-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004578 fetal growth Effects 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011964 heteropoly acid Substances 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- YWXYYJSYQOXTPL-SLPGGIOYSA-N isosorbide mononitrate Chemical compound [O-][N+](=O)O[C@@H]1CO[C@@H]2[C@@H](O)CO[C@@H]21 YWXYYJSYQOXTPL-SLPGGIOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- ZJSXTJPARZJENS-UHFFFAOYSA-N lithium;2-sulfobenzene-1,3-dicarboxylic acid Chemical compound [Li].OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O ZJSXTJPARZJENS-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- PTWPFSLMTOQWLD-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C=1(C(=CC=C2C=CC=CC12)C(=O)O)C(=O)O.C=1(C(=CC=C2C=CC=CC12)C(=O)O)C(=O)O PTWPFSLMTOQWLD-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- WPBWJEYRHXACLR-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O.OC(=O)CCCCCCCC(O)=O WPBWJEYRHXACLR-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- NIFHFRBCEUSGEE-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O.OC(=O)C(O)=O NIFHFRBCEUSGEE-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- RPGWZZNNEUHDAQ-UHFFFAOYSA-N phenylphosphine Chemical compound PC1=CC=CC=C1 RPGWZZNNEUHDAQ-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- CASUWPDYGGAUQV-UHFFFAOYSA-M potassium;methanol;hydroxide Chemical compound [OH-].[K+].OC CASUWPDYGGAUQV-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- HJSRRUNWOFLQRG-UHFFFAOYSA-N propanedioic acid Chemical compound OC(=O)CC(O)=O.OC(=O)CC(O)=O HJSRRUNWOFLQRG-UHFFFAOYSA-N 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- ZWPWUVNMFVVHHE-UHFFFAOYSA-N terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1.OC(=O)C1=CC=C(C(O)=O)C=C1 ZWPWUVNMFVVHHE-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/28—Titanium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/80—Solid-state polycondensation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/82—Preparation processes characterised by the catalyst used
- C08G63/826—Metals not provided for in groups C08G63/83 - C08G63/86
Definitions
- the present invention relates to a composite metal oxide, and a method for producing a polyester using the same. More particularly, the present invention relates to a composite metal oxide containing three metals and having a stable structure, which can be used as a catalyst for polyester polymerization, and a method for producing polyester using the same.
- Polyester has excellent mechanical and chemical properties, so it can be used for various purposes, for example, in beverage containers and medical treatments, packaging materials, sheets, films, automotive moldings, etc. This is being done.
- Representative examples include polyethylene terephthalate, which is widely used for its excellent physical and chemical properties and dimensional stability, and is mainly produced using antimony (Sb) -based catalysts.
- International Publication No. WO95 / 018839 discloses a catalyst for preparing polyesters and copolyesters using Ti0 2 / Si ( 3 ⁇ 4 or Ti0 2 / Zr0 2 oxidative coprecipitates.
- a polyester polymerization method using a composite oxide such as Ti0 2 / Al 2 O 3 , Ti0 2 / Si0 2, or Ti0 2 / Zr0 2 as a catalyst has been proposed.
- the catalyst used in the above method is a thermal stabilizer and an antioxidant used in the polyester polymerization process, and due to the limitation of using only a small amount of phosphorus (Phosphorus, P), thermal decomposition, oxidative decomposition and There is a problem that is easy to cause yellowing problems. Therefore, when a film or drinking water container is manufactured by using polyethylene terephthalate polymerized using an existing composite oxide catalyst, yellowing occurs and the brightness of the product is dark, which is not suitable for commercialization. In addition, the catalyst itself does not control the activity in the polycondensation to make a polymer having a wide molecular weight distribution it is difficult to obtain a polyester having a desired viscosity in the solid phase polymerization.
- an object of the present invention has a higher catalytic activity than the antimony catalyst and the conventional titanium catalyst, easy synthesis, stable and exhibits sufficient polymerization activity in a small amount as an environmentally friendly polyester polymerization catalyst It is to provide a composite metal oxide that can be used.
- the present invention is one species selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron (Fe). It provides a complex metal oxide containing a metal (M), titanium (Ti), and aluminum (A1), and is used as a catalyst for polyester polymerization.
- the composite metal oxide may be a co-precipitate of titanium alkoxide represented by the following formula (1), aluminum alkoxide represented by the following formula (2) and metal alkoxide represented by the following formula (3).
- R ! , R 2, R 3 are the same or different independently hydrogen or - the C 2 o alkyl group (Alkyl), C 2 ⁇ C 20 alkenyl group (Alkenyl), C 3 ⁇ C 20 of the cycloalkyl group (Cycloalkyl), respectively , C 6 ⁇ C 20 aryl group (Aryl), dC.o alkylsilyl (Alkylsilyl), C 7 ⁇ C 20 arylalkyl group (Arylalkyl) or C 7 ⁇ C 20 Alkylaryl (Alkylaryl) means and,
- M is one species selected from the group consisting of Mg, Zn, Cu, Mn, Ca, and Fe.
- the present invention is a metal (M) selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron (Fe), titanium,
- M metal
- a process for producing a polyester comprising the step of polymerizing a dicarboxylic acid component and a glycol component comprising terephthalic acid in the presence of (Ti), and a composite metal oxide comprising aluminum (A1).
- the composite metal oxide of the present invention is capable of polyester polymerization with only a small amount of use, and thus is very useful as an environmentally friendly next-generation catalyst.
- the catalyst activity is hardly deteriorated by phosphorus (P), which is a thermal stabilizer used to reduce thermal decomposition during hot melt molding, so that phosphorus may be used in excess of the existing one. Because of less pyrolysis, yellowing is reduced and higher viscosity can be maintained.
- P phosphorus
- the polyester resin using the polyester obtained by the method for producing the polyester in particular, polyethylene terephthalate, it has excellent physical properties such as transparency, viscosity, brightness, and chromaticity, and can be usefully applied to beverages and food related containers. have.
- Example 1 is a photograph of a composite metal oxide obtained according to Example 1 of the present invention.
- the composite metal oxide of the present invention is one metal (M) selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron (Fe). And titanium (Ti), and aluminum (A1), and may be used as a catalyst for polyester polymerization.
- M metal selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron (Fe).
- Ti titanium
- Al aluminum
- the method for preparing the polyester of the present invention includes the step of polymerizing a dicarboxylic acid component and a glycol component including terephthalic acid in the presence of the complex metal oxide.
- the composite metal oxide of the present invention comprises at least one metal (M) selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), kale (Ca), and iron (Fe); , Titanium (Ti), and aluminum (A1).
- M metal selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), kale (Ca), and iron (Fe); , Titanium (Ti), and aluminum (A1).
- the present invention and the composite metal oxide can be used in the polymerization of polyester, and in particular, it can be used as a catalyst in the production of polyethylene terephthalate.
- Metal oxides or co-precipitates thereof that can be used as catalysts for polyester polymerization have been proposed.
- polyester polymerization process requires the use of phosphorus-based compounds including phosphorus (Phosphorus, P) as an additive that acts as a heat stabilizer and antioxidant, the conventional metal complex oxide catalyst is lowered when used in combination with phosphorus phosphorus There is a limit to using only a small amount. Therefore, due to the use of a small amount of phosphorous, the thermal decomposition, oxidative decomposition and yellowing problems of the polyester is likely to occur during melt molding, there is a limit to the application.
- the composite metal oxide is a titanium alkoxide represented by the following formula (1), represented by the following formula (2) It may be a corecipitate of aluminum alkoxide and a metal alkoxide represented by the following formula (3).
- R ⁇ R ⁇ R 3 are each independently the same as or different from each other, a hydrogen atom or an alkyl group of o (Alkyl), C 2 ⁇ C 20 Alkenyl group (Alkenyl), C 3 ⁇ C 20 Cycloalkyl group, C 6 ⁇ C 20 aryl group (Aryl), d ⁇ C 20 alkylsilyl group (Alkylsilyl), C 7 ⁇ C 20 arylalkyl group (Arylalkyl) or C 7 ⁇ C 20 Alkyl It means an aryl group (Alkylaryl) ,
- M is one selected from the group consisting of Mg, Zn, Cu, Mn, Ca, and Fe.
- R 1 , R 2 , and R 3 are each independently the same as or different from each other, a hydrogen atom or an alkyl group of d ⁇ C 4 , and M may be Mg.
- the composite metal oxide may be obtained by the following formula 1 to 3.
- titanium alkoxide Tianium alkoxide
- aluminum alkoxide Alkoxide
- titanium aluminum composite oxide is a single It may be made in the form of molecules or oligomers.
- titanium (Ti) -aluminum (A1) -metal (M) -oxygen is added by adding a metal alkoxide to the reaction product of the reaction formula 1 according to the following reaction formula 2 below.
- a genus alkoxide structure can be formed.
- the reactants according to Schemes 1 to 3 may be referred to as corecipitates because they are obtained by precipitation in the form of complex oxides by adding a solvent of water and ethanol to titanium alkoxide, aluminum alkoxide, and metal alkoxide.
- the amount of the titanium alkoxide, aluminum alkoxide and metal alkoxide is not particularly limited, but examples For example, about 10: 1: 1 to about 1: 1: 1 based on the molar ratio of Ti, Al, and M.
- the composite metal oxide when the metal (M) is a magnet (Mg), the composite metal oxide may be represented by the following formula (4) or (5).
- n is an integer of 2 to 20.
- the composite metal oxide of the present invention dissolves metal alkoxides such as titanium alkoxide, aluminum alkoxide, and magnesium alkoxide in the presence of ethanol and add water mixed with ethanol at room temperature. Synthesis is possible by step reaction and can be easily obtained through simple purification process such as solvent removal.
- the composite metal oxide catalyst in which the titanium, aluminum, and other metals of the present invention are combined can be prepared by a relatively simple method, and in the polyester polymerization process, unlike the conventional titanium catalyst, an excessive amount of phosphorus-based compound used as a heat stabilizer is used.
- the catalytic activity is maintained, thermal decomposition does not occur in the solid phase polymerization, thereby preventing problems of viscosity increase and yellowing of the polyester resin.
- the composite metal oxide according to the present invention is stable in moisture and easy to store. It is therefore possible to apply commercially in the mass production of polyesters, in particular in the production of polyethylene terephthalates.
- the composite metal oxide of the present invention has a relatively low toxicity to the metal itself, which is unlikely to cause a problem to humans and the environment, and exhibits high activity in a short reaction time even in a small amount compared to the antimony catalyst.
- the polyester produced using the catalyst for polyester polymerization containing the composite metal oxide of the present invention has excellent physical properties such as viscosity and color.
- the method for producing the polyester of the present invention is one metal selected from the group consisting of magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron (Fe).
- Mg magnesium
- Zn zinc
- Cu copper
- Mn manganese
- Ca calcium
- Fe iron
- Polymerizing the polyester may be performed by liquid phase polymerization or solid phase polymerization.
- the reaction may include polycondensing the reactant of the esterification reaction with the step.
- the dicarboxylic acid component and the glycol component including terephthalic acid are esterified.
- the dicarboxylic acid component for example terephthalic acid (Terephthalic acid), oxalic acid (Oxalic acid), malonic acid (Malonic acid), azelaic acid (Azelaic acid) , Fumaric acid, pimelic acid, suberic acid, isophthalic acid, dodecane dicarboxylic acid, naphthalene dicarboxylic acid (Naphthalene dicarboxylic acid), Biphenyldicarboxylic acid, 1,4-cyclonucleic acid dicarboxylic acid (1,4-Cyclohexane dicarboxylic acid), 1,3-cyclonucleic acid dicarboxylic acid (1, 3-Cyclohexane dicarboxylic acid, Succinic acid, Glutaric acid, Adipic acid, Sevaz Sebacic acid, 2,6-Naphthalene dicarboxylic acid, 1,2-Norbornane Dicarboxylic acid
- glycol component for example, in ethylene glycol (Ethylene glycol), 1, 2 - propylene glycol (Propylene glycol), 1,2- butylene glycol (Butylene glycol), 1 , 3-butylene glycol, 2,3-butylene glycol, 1,4-butylene glycol, 1,5-pentanediol, neopentyl glycol glycol, 1,3-propylene glycol, diethylene glycol, triethylene glycol, I, 2 -cyclonucleic acid di, cyclohexane, 1,3-cyclonucleic acid Cyclohexane diol, 1,4-cyclonucleic acid diol, Propane diol, 1,6-hexane diol, Neopentyl glycol, Tetramethylcyclobutane diol Tetramethylcyclobutane diol, 1,4-cyclohexane diethanol, 1,10-decamethylene glycol (De), 1,10-decamethylene glycol (
- the step of esterifying the dicarboxylic acid component and the glycol component including the terephthalic acid or ester forming derivative is about 200 to about 300 ° C, preferably about 230 to about 280
- the reaction may be carried out at a temperature of 0 C for about 1 to about 6 hours, preferably for about 2 to about 5 hours.
- reaction product of said esterified reaction reaction is polycondensed.
- the polycondensation of the reaction product of the esterification reaction is carried out for about 1 to about 5 hours at a temperature of about 200 to about 300 ° C, preferably about 260 to about 290 ° C and reduced pressure of about 0.1 to about 1 torr. Preferably, by reacting for about 1 hour 30 minutes to about 4 hours.
- the composite metal oxide used as a catalyst is polyester, magnesium (Mg), zinc (Zn), copper (Cu), manganese (Mn), calcium (Ca), and iron ( Fe) includes one kind of metal (M) selected from the group consisting of, titanium (Ti), and aluminum (A1), and detailed description thereof is as described above.
- the composite metal oxide can be added at any stage of the polyester polymerization. For example, it is possible to add only to the esterification reaction step, to only the polycondensation step of the esterification reaction, or to both the esterification step and the polycondensation step, and there is no significant difference in the activity of the catalyst.
- the input amount of the composite metal oxide is about 5 to about total content of titanium (Ti), aluminium (A1), and metal (M) included in the composite metal oxide with respect to the weight of the finally produced polyester. 200 ppm, preferably about 7 to about 100 ppm, more preferably about 10 to about 50 ppm. If the total content of the titanium, aluminum, and metal is less than 5 ppm, it is difficult to exhibit a catalytic activity, and if it exceeds 200 ppm, it is difficult to improve yellowing even with a colorant such as an organic dye, and the price is higher than that of an antimony catalyst.
- a thermal stabilizer may be added to the polycondensation reaction step to reduce thermal decomposition of the polyester.
- the heat stabilizer is a colorant produced by a reaction or decomposition reactions in which molecular chains are shortened such as heat applied to the esterification reaction reaction and the polycondensation reaction and friction heat generated due to reaction heat and stirring generated additionally. ), Or to control the activity of the catalyst to suppress unintentional side reactions, and to suppress the yellowing of the final polyester to make the color of the polymer transparent and colorless.
- phosphoric acid compounds are used as heat stabilizers to enhance color safety
- the heat stabilizers are water or alcohols that are generated as residues during the reaction. It reacts with a substance which inhibits polycondensation such as a compound or a radical product to suppress an addition reaction.
- a phosphorus compound used as a heat stabilizer may be used. In this case, a plurality of metals combine with phosphorus to form a heteropoly acid, thereby blocking metal impurities.
- the use of the heat stabilizer has a thermal decomposition prevention effect in the long-term solid-state polymerization, such as the plant (Plant) process affects the viscosity rise of the polyester, and has an important function to prevent yellowing, but titanium-based catalyst is the heat Easily reacts with phosphorus compounds, which are mainly used as stabilizers, may lower the activity of the catalyst. Therefore, to prevent this, heat stabilizers and catalysts are usually added at intervals.
- the composite metal oxide catalyst of the present invention has an additional advantage that the catalyst activity does not decrease even when mixed with a thermal stabilizer such as the phosphorus compound or an excessive amount of the phosphorus compound is added.
- the stabilizer may be a known phosphorus compound containing a phosphorus (P) element.
- the phosphorus-based compound include trimethyl phosphate, triethyl phosphate, triphenyl phosphate, phosphoric acid, phenylphosphine, and the like. Or 2-carboxyethyl phenyl phosphinic acid, but is not limited thereto.
- the amount of the phosphorus-based compound added is about 20 ppm or more, for example, about 20 to about 200 ppm, preferably about 40 to about 180 ppm, more preferably about 40 to about It can be added in an amount of 160 ppm.
- a phosphorus compound in the above range from the viewpoint of preventing viscosity rise and thermal decomposition in polyester polymerization.
- other phosphorus compounds may be used within the scope of not impairing the object of the present invention.
- a colorant may be further added to improve color.
- the colorant include cobalt acetate, cobalt acetylacetonate, cobalt benzoylacetonate, cobalt hydroxide, cobalt bromide, cobalt bromide Cobalt chloride, Cobalt iodide, Cobalt fluoride, Cobalt cyanide, Cobalt nitrate, Cobalt sulfate, Cobalt sulfate selenide, cobalt phosphate, cobalt oxide, cobalt oxide, cobalt thiocyanate, cobalt propionate, and the like, including compounds including cobalt propionate; It is not limited.
- the addition amount of the colorant may be added in an amount of about 150 ppm or less, for example, about 30 to about 150 ppm, preferably about 60 to about 100 ppm, of cobalt element content based on the polyester. It is known that cobalt compounds have some degree of catalytic activity by themselves. However, when the cobalt compound is added to an extent that exhibits a catalytic effect, residual metal in the polyester may increase, causing toxicity and deteriorating brightness. Therefore, when added in the said range, coloring can be inhibited without causing the fall of the brightness or thermal stability of a polyester.
- the step of adding the cobalt compound in the present invention is the step of esterifying the dicarboxylic acid component and glycol component including the terephthalic acid in the polymerization reaction or the step of polycondensing the reactants of the esterification reaction Administration is possible at any stage without being limited.
- other cobalt-based compounds may be used within the scope of not impairing the object of the present invention.
- the polyester may be formed by liquid phase polymerization, and the polyester formed at this time has an intrinsic viscosity of about 0.60 to about 0.65 dl / g.
- the polyester may be formed by solid phase polymerization, and the polyester formed at this time has a range of intrinsic viscosity of about 0.70 to about 0.87 dl / g.
- the polyesters prepared according to the polyester production method of the present invention have a number average molecular weight of about 10,000 to about 200,000 g / mol, preferably about 10,000 to about 100,000 g / mol, more preferably about 12,000 to about 50,000 g. can be / m.
- the polyester produced according to the method for producing the polyester of the present invention may preferably be polyethylene terephthalate.
- the use is not particularly limited, but may be widely used in food packaging materials, bottles, films or fibrous plastics, in particular, where excellent transparency, brightness, and color conditions are required.
- the synthesis of the metal oxide catalyst was carried out in air, and a general synthesis method was used.
- Titanium isopropoxide Aluminum isopropoxide
- Magnesium methoxide Cobalt acetate
- Triethyl phosphate Terephthalic acid
- Ethylene Ethylene glycol was used without any purification.
- the product was dried in vacuo at 70-80 0 C for 8 hours to give 2.7 g of composite metal oxide.
- Example 1 is a photograph of a composite metal oxide obtained according to Example 1 above. Referring to FIG. 1, a co-precipitate of titanium-aluminum-magnesium composite metal oxide was obtained in the form of a white powder.
- ICP Inductively Coupled Plasma, Instrument Model: Thermo-
- Elemental X-series and XRF (X-Ray Fluorescence Spectrometry, instrument model name: ZSX-Primus 2) were analyzed to include titanium, aluminum, and magnetite. Comparative Example 1
- Terephthalic acid (14.5 Kg, 87.3 mol), Monoethylene glycol (6.42 Kg, 105.75 mol), Isophthalic acid (0.448 Kg, 3 mol), Cobalt acetate, 1.73 g, 100 ppm) and 300 mg of the composite metal oxide catalyst of Example 1 were added to 100 g of monoethylene glycol. After dissolving, the reaction mixture was heated with stirring and heated to 250 0 C at room temperature, followed by esterification reaction for 3 hours.
- the tower temperature sensor which is connected to the reaction vessel and measures the water distilled during reaction, stops the reaction at the time of decreasing from 250 to 135 0 C, and the BHET (Bis-hydroxyethyIene terephthalate) produced by the esterification reaction reaction.
- the tower temperature sensor which is connected to the reaction vessel and measures the water distilled during reaction, stops the reaction at the time of decreasing from 250 to 135 0 C, and the BHET (Bis-hydroxyethyIene terephthalate) produced by the esterification reaction reaction.
- the obtained polyethylene terephthalate had an intrinsic viscosity of 0.60 dl / g or more and a number average molecular weight of 15,300 to 20,400 g / mol.
- the reaction product was ground through a pelletizer to obtain pellets of 10 kg of transparent polyethylene terephthalate, and the process conditions are shown in Table 1 below.
- Example 2 Polyethylene terephthalate resin obtained in liquid polymerization was dried in air to remove moisture. Resin was added to the solid-state polymerization apparatus and silver was supplied at 210 ° C. and heated for 24 hours to react. After completion of reaction, polyethylene terephthalate pellets were obtained in the form of a crystalline structure in the form of a white solid compound having a viscosity capable of forming a product, an intrinsic viscosity QJ6 dl / g or more and a number average molecular weight of 32,600 to 35,200 g / m. To summarize the results are shown in Table 1 below.
- Example 4 Polycondensates were obtained by polycondensation in the same process as in Example 2, except that the amount of the composite metal oxide, the input step, and the amount of triethyl phosphate were different, thereby obtaining polyethylene terephthalate pellet having a number average molecular weight of 14,600 to 21,000 g / mol. Process conditions are summarized and shown in Table 1 below.
- Example 5
- Example 6 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 4 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 30,500 to 34,200 g / mol. In summary, it is shown in Table 1 below.
- Example 6 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 4 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 30,500 to 34,200 g / mol. In summary, it is shown in Table 1 below.
- Example 7 Polycondensation was carried out in the same manner as in Example 2 except that the amount of the mixed metal oxide, the step of addition, and the amount of triethyl phosphate were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 15,500 to 19,800 g / mol. The conditions are summarized in Table 1 below.
- Example 7 The conditions are summarized in Table 1 below.
- Example 8 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 6 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 29,000-33,400 g / mol. In summary, it is shown in Table 1 below.
- Example 8 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 6 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 29,000-33,400 g / mol. In summary, it is shown in Table 1 below.
- Example 8 Example 8
- Example 10 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 8 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 33,200 g / mol. In summary, it is shown in Table 1 below.
- Example 10 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 8 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 33,200 g / mol. In summary, it is shown in Table 1 below.
- Example 10 Example 10
- Example 11 Except for using different amounts of triethyl phosphate, polycondensation was carried out in the same manner as in Example 2 to obtain polyethylene terephthalate pellets having a number average molecular weight of 14,900 to 21,000 g / mol, and the process conditions are summarized in Table 1 below. It was.
- Example 11 Except for using different amounts of triethyl phosphate, polycondensation was carried out in the same manner as in Example 2 to obtain polyethylene terephthalate pellets having a number average molecular weight of 14,900 to 21,000 g / mol, and the process conditions are summarized in Table 1 below. It was.
- Example 11 Except for using different amounts of triethyl phosphate, polycondensation was carried out in the same manner as in Example 2 to obtain polyethylene terephthalate pellets having a number average molecular weight of 14,900 to 21,000 g / mol, and the process conditions are summarized in Table 1 below. It was.
- Example 11 Except for using
- Example 12 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 10 was subjected to solid phase polymerization to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 29,000 to 33,400 g / mol, and the process conditions are shown in Table 1 below. It was.
- Example 12 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 10 was subjected to solid phase polymerization to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 29,000 to 33,400 g / mol, and the process conditions are shown in Table 1 below. It was.
- Example 12
- Example 13 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 12 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 34,600 g / mol. In summary, it is shown in Table 1 below.
- Example 14
- Example 15 Polycondensation was carried out in the same process as in Example 2, except that different amounts of the composite metal oxides were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 15,500 to 21,400 g / mol, and the process conditions are summarized in Table 1 below. It was.
- Example 15
- Example 16 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 14 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 34,400 g / mol. In summary, it is shown in Table 1 below.
- Example 16 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 14 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 34,400 g / mol. In summary, it is shown in Table 1 below.
- Example 16 Example 16
- Example 17 Polycondensation was carried out in the same process as in Example 2, except that different amounts of the composite metal oxides were used, thereby obtaining polyethylene terephthalate pellets having a number average molecular weight of 14,700 to 20,800 g / mol, and the process conditions are summarized in Table 1 below. It was.
- Example 17
- Example 18 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 16 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 28,000 to 35,400 g / mol. In summary, it is shown in Table 1 below.
- Example 20 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 18 in the same process as in Example 3 was subjected to solid phase polymerization to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 34,700 g / mol. In summary, it is shown in Table 1 below.
- Example 20 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 18 in the same process as in Example 3 was subjected to solid phase polymerization to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 34,700 g / mol. In summary, it is shown in Table 1 below.
- Example 20 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 18 in the same process as in Example 3 was subjected to solid phase polymerization to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 3
- Example 21 Polycondensation was carried out in the same manner as in Example 2 except that the amount of the mixed metal oxide, the input step and the amount of triethyl phosphate were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 16,000 to 19,000 g / mol. The conditions are summarized in Table 1 below.
- Example 21 The conditions are summarized in Table 1 below.
- Example 22 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 20 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,100 to 34,400 g / mol. In summary, it is shown in Table 1 below.
- Example 22
- Polycondensation was carried out in the same manner as in Example 2, except that the amount of the complex metal oxide, the step of addition, and the amount of triethyl phosphate were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 15,400-19,000 g / mol.
- the conditions are summarized in Table 1 below.
- Example 24 Polyethylene terephthalate obtained by the liquid phase polymerization of Example 22 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,400 to 35,800 g / mol. In summary, it is shown in Table 1 below.
- Example 24
- Example 25 Polycondensation was carried out in the same process as in Example 2, except that the amount of the mixed metal oxide, the input step, and the amount of triethyl phosphate were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 15,700 to 19,000 g / mol. The conditions are summarized in Table 1 below.
- Example 25 Polycondensation was carried out in the same process as in Example 2, except that the amount of the mixed metal oxide, the input step, and the amount of triethyl phosphate were used to obtain polyethylene terephthalate pellets having a number average molecular weight of 15,700 to 19,000 g / mol. The conditions are summarized in Table 1 below.
- Example 25 The conditions are summarized in Table 1 below.
- Polyethylene terephthalate obtained by the liquid phase polymerization of Example 24 was subjected to solid phase polymerization in the same manner as in Example 3 to obtain a polyethylene terephthalate pellet having a crystalline structure and having a number average molecular weight of 31,000 to 36,100 g / mol. In summary, it is shown in Table 1 below. Comparative Example 4
- Example 2 The same process as in Example 2 except for using the Ti / Mg bonded oxide of Comparative Example 2 as a catalyst instead of the composite metal oxide catalyst of Example 1 I tried to polycondense but the reaction speed
- polyester resin to be measured was added to about 100 mL of a mixture of phenol and 1,1,2,2-tetrachloroethanol at a weight ratio of 6: 4, and dissolved for 90 minutes, followed by Ubbelohde
- the solution is transferred to a viscometer and maintained for 10 minutes in a 30 ° C thermostat.
- the number of seconds of the solution can be determined using a viscometer and an aspirator.
- the number of falling seconds of the solvent was also determined in the same manner, and then R.V. Value and I.V. The value was calculated.
- C represents the concentration of the sample.
- I.V. Concentration of 1/4 (R.V.-1) / C + 3/4 (ln R.V./C) Carboxylic end grout, CEG, -COOH
- L, a , and b color systems are commonly used internationally as criteria for polyester color evaluation. This color value is one of the color systems for standardizing color measurements and describes recognizable colors and color differences.
- L is the brightness factor and a and b are the color measures.
- the b value representing the yellow / blue balance is an important figure in the manufacture of drinking water containers and food packaging materials.
- a positive b value means yellow discoloration and a negative value means blue discoloration.
- a positive a value means red discoloration and a negative value means green discoloration.
- the L value means a numerical value representing the brightness, and is a very important value like the b value in the manufacture of drinking water containers and food packaging materials.
- the polymerization was satisfactorily under the condition of using 180 ppm of phosphorus (P).
- the compound metal oxide catalyst unlike the conventional titanium-based catalyst, since the compound composition is different and the structure is stable, the compound metal oxide catalyst has a relatively low reactivity with phosphorus (P) included in the thermal stabilizer, so that even when the phosphoric acid-based compound is excessively condensed The sum seems to work well.
- the concentration of the carboxyl group (CEG) terminal, and the concentration of the hydroxyl group (DEG) are shown in Table 3 below.
- Table 31 As shown in Table 3 above, when the complex metal oxide catalyst of the present invention is added only to the esterification reaction step, the polycondensation step, or divided into two steps, as in the general antimony catalyst, the polycondensation reaction time and the generation time are generated.
- the polyethylene terephthalate physical properties were different from each other, all of them could obtain polyethylene terephthalate having generally good physical properties.
- the polyethylene terephthalate obtained by liquid polymerization showed a viscosity of 61 to 62 dl / g
- the polyethylene terephthalate obtained by solid phase polymerization showed a good viscosity of 0.70 to 0.80 dl / g.
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