KR101020423B1 - 트리메틸렌 테레프탈레이트 소중합체의 제조방법 - Google Patents
트리메틸렌 테레프탈레이트 소중합체의 제조방법 Download PDFInfo
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- KR101020423B1 KR101020423B1 KR1020057006091A KR20057006091A KR101020423B1 KR 101020423 B1 KR101020423 B1 KR 101020423B1 KR 1020057006091 A KR1020057006091 A KR 1020057006091A KR 20057006091 A KR20057006091 A KR 20057006091A KR 101020423 B1 KR101020423 B1 KR 101020423B1
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- propanediol
- product mixture
- liquid product
- terephthalic acid
- glycol
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title description 3
- NMYFVWYGKGVPIW-UHFFFAOYSA-N 3,7-dioxabicyclo[7.2.2]trideca-1(11),9,12-triene-2,8-dione Chemical compound O=C1OCCCOC(=O)C2=CC=C1C=C2 NMYFVWYGKGVPIW-UHFFFAOYSA-N 0.000 title description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 179
- 239000000203 mixture Substances 0.000 claims abstract description 82
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims abstract description 46
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims abstract description 44
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims abstract description 44
- 239000012263 liquid product Substances 0.000 claims abstract description 37
- 238000005886 esterification reaction Methods 0.000 claims abstract description 31
- 230000032050 esterification Effects 0.000 claims abstract description 30
- 239000000047 product Substances 0.000 claims abstract description 22
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- 238000004519 manufacturing process Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 3
- 229920002215 polytrimethylene terephthalate Polymers 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 2
- 150000002009 diols Chemical class 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000006068 polycondensation reaction Methods 0.000 claims 1
- 230000000379 polymerizing effect Effects 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 107
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 52
- 239000002253 acid Substances 0.000 abstract description 22
- -1 terephthalic acid Chemical class 0.000 abstract description 14
- 229940035437 1,3-propanediol Drugs 0.000 abstract description 7
- 150000001991 dicarboxylic acids Chemical class 0.000 abstract description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 description 32
- 229920000642 polymer Polymers 0.000 description 31
- 239000010936 titanium Substances 0.000 description 21
- 150000002334 glycols Chemical class 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 14
- 238000005481 NMR spectroscopy Methods 0.000 description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 10
- 238000010924 continuous production Methods 0.000 description 10
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 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 6
- 238000009825 accumulation Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- JFCQEDHGNNZCLN-UHFFFAOYSA-N glutaric acid Chemical compound OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 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
- 238000010992 reflux Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229960000250 adipic acid Drugs 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 2
- 238000012643 polycondensation polymerization Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- QPFMBZIOSGYJDE-QDNHWIQGSA-N 1,1,2,2-tetrachlorethane-d2 Chemical compound [2H]C(Cl)(Cl)C([2H])(Cl)Cl QPFMBZIOSGYJDE-QDNHWIQGSA-N 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- WTPYFJNYAMXZJG-UHFFFAOYSA-N 2-[4-(2-hydroxyethoxy)phenoxy]ethanol Chemical compound OCCOC1=CC=C(OCCO)C=C1 WTPYFJNYAMXZJG-UHFFFAOYSA-N 0.000 description 1
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 1
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920001283 Polyalkylene terephthalate Polymers 0.000 description 1
- DUFKCOQISQKSAV-UHFFFAOYSA-N Polypropylene glycol (m w 1,200-3,000) Chemical group CC(O)COC(C)CO DUFKCOQISQKSAV-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000006085 branching agent Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical compound O[C@@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-IMJSIDKUSA-N 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-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
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- YXTFRJVQOWZDPP-UHFFFAOYSA-M sodium;3,5-dicarboxybenzenesulfonate Chemical compound [Na+].OC(=O)C1=CC(C(O)=O)=CC(S([O-])(=O)=O)=C1 YXTFRJVQOWZDPP-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229960005137 succinic acid Drugs 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 description 1
- 239000012974 tin catalyst Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 150000003755 zirconium compounds Chemical class 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
1,3-프로판디올은 적어도 95%의 테레프탈산이 전환되기에 충분한 양으로 반응기에 공급된다.
Claims (10)
- (1) 승온 상태에서, 테레프탈산과 1,3-프로판디올을 접촉시켜,(i) 수분과 휘발성 1,3-프로판디올을 포함하는 수증기 혼합물 및(ii) 유리 1,3-프로판디올과, 중합도가 1.9 내지 3.5이며 상기 테레프탈산과 상기 1,3-프로판디올로부터 유도되는 반복 단위를 포함하는 소중합체를 포함하는 액체 생성 혼합물을 포함하는 생성 혼합물을 제조하는 단계로서, 여기서 상기 수증기 혼합물 또는 그의 일부분은 상기 생성 혼합물로부터 배출되어 수-글리콜 증기를 형성하는 단계;(2) 상기 수-글리콜 증기 내의 1,3-프로판디올을 수-글리콜 증기로부터 분리하여 회수된 1,3-프로판디올을 제조하는 단계; 및(3) 상기 소중합체의 중합도를 1.9 내지 3.5 범위내로 유지하도록 상기 회수된 1,3-프로판디올과 상기 액체 생성 혼합물을 배합하는 단계를 포함하는, 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- 제 1항에 있어서, 상기 방법은 상기 액체 생성 혼합물을 회수하는 단계를 더 포함하고; 상기 접촉, 상기 분리, 상기 배합 및 상기 회수 단계들이 연속적으로 반복되는 것을 특징으로 하는 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- 제 1항 또는 2항에 있어서, 상기 액체 생성 혼합물이, 상기 액체 생성 혼합물의 중량 기준으로 1 내지 20 중량%의 유리 1,3-프로판디올을 포함하며; 상기 온도가 100 내지 500KPa의 압력범위 내에서 235℃ 내지 255℃인 것을 특징으로 하는 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- 제 1항 또는 2항에 있어서, 상기 방법이 단일 스테이지(stage)에서 실행되고 상기 분리가 상기 수-글리콜 증기를 응축기를 통해 지나가게 하여 실행되는 것을 특징으로 하는 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- 제 2항에 있어서, 상기 방법이 중합도가 1.9 내지 3.5이며 상기 테레프탈산과 상기 1,3-프로판디올로부터 유도되는 반복 단위를 포함하는 미리 존재하는 소중합체 하에서 실행되는 것을 특징으로 하는 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- (1) 220 내지 260℃에서 테레프탈산과 1,3-프로판디올을 연속적으로 접촉시켜,(i) 상기 1,3-프로판디올의 증기를 포함하는 수증기 혼합물 및(ii) 유리 1,3-프로판디올과, 1.9 내지 3.5의 중합도를 가지며 상기 테레프탈산 및 1,3-프로판디올로부터 유도되는 반복 단위를 포함하는 소중합체를 포함하는 액체 생성 혼합물을 포함하는 생성 혼합물을 제조하는 단계로서, 여기서 상기 수증기 혼합물 또는 그의 일부분은 상기 생성 혼합물로부터 배출되어 수-글리콜 증기를 형성하는 단계;(2) 상기 수-글리콜 증기 내의 상기 1,3-프로판디올을 상기 수-글리콜 증기로부터 분리하여 회수된 1,3-프로판디올을 제조하는 단계; 및(3) 상기 액체 생성 혼합물이, 상기 액체 생성 혼합물의 중량 기준으로 1 내지 20 중량%의 유리 1,3-프로판디올을 포함하도록 상기 회수된 1,3-프로판디올을 상기 액체 생성 혼합물로 돌려보내는 단계를 포함하는 1,3-프로판디올과 테레프탈산을 에스테르화하는 방법.
- (1) 235℃ 내지 255℃의 온도에서 테레프탈산과, 적어도 95%의 상기 테레프탈산을 전환시키는 양의 1,3-프로판디올을 단일 스테이지 에스테르화 반응기에서 접촉시켜,(i) 1,3-프로판디올 증기를 포함하는 수증기 혼합물 및(ii) 상기 테레프탈산 및 상기 1,3-프로판디올로부터 유도되는 반복 단위를 포함하고 1.9 내지 3.5의 중합도를 갖는 소중합체를 포함하는 액체 생성 혼합물을 포함하는 생성 혼합물을 제조하는 단계;(2) 상기 수증기 혼합물을 100℃ 보다 높고 1,3-프로판디올의 비점보다 낮은 온도 하의 냉각 매체로 통과시켜 1,3-프로판디올 응축액을 얻는 단계;(3) 상기 액체 생성 혼합물이, 상기 액체 생성 혼합물을 기준으로 1 내지 20 중량%의 유리 1,3-프로판디올을 포함하도록 상기 1,3-프로판디올 응축액을 상기 액체 생성 혼합물로 되돌려 보내는 단계; 및선택적으로 (4) 상기 액체 생성 혼합물을 회수하는 단계를 포함하는, 테레프탈산과 1,3-프로판디올의 연속 에스테르화 방법.
- 100 내지 400KPa 범위 내의 압력하에서 테레프탈산과, 적어도 95%의 상기 테레프탈산을 전환시키는 양의 1,3-프로판디올을 단일 스테이지 에스테르화 반응기에서 접촉시켜,(i) 미반응 1,3-프로판디올을 포함하는 수증기 혼합물 및(ii) 상기 테레프탈산과 상기 1,3-프로판디올로부터 유도되는 반복 단위를 포함하고 1.9 내지 3.5의 중합도를 갖는 소중합체를 포함하는 액체 생성 혼합물을 포함하는 생성 혼합물을 제조하는 단계;상기 수증기 혼합물 내의 상기 1,3-프로판디올을 상기 수증기 혼합물로부터 분리하여 회수된 1,3-프로판디올을 제조하는 단계;상기 액체 생성 혼합물이, 상기 액체 생성 혼합물의 중량 기준으로 1 내지 20 중량%의 유리 1,3-프로판디올을 포함하도록 상기 회수된 1,3-프로판디올을 상기 액체 생성 혼합물로 돌려보내는 단계; 및상기 액체 생성 혼합물을 회수하는 단계를 포함하는, 테레프탈산과 1,3-프로판디올의 연속 에스테르화 방법.
- 제 1항, 2항 및 5항 내지 8항 중 어느 한 항에 있어서, 상기 액체 생성 혼합물을 축중합 조건 하에서 중합하여 폴리(트리메틸렌 테레프탈레이트)를 제조하는 단계를 더 포함하는 방법.
- 제 9항에 있어서, 상기 액체 생성 혼합물이 3 내지 15 중량%의 유리 1,3-프로판디올 및 상기 소중합체를 포함하는 방법.
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US20070129503A1 (en) * | 2005-12-07 | 2007-06-07 | Kurian Joseph V | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) molded, shaped articles |
US20070128459A1 (en) * | 2005-12-07 | 2007-06-07 | Kurian Joseph V | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) films |
US7666501B2 (en) * | 2005-12-07 | 2010-02-23 | E. I. Du Pont De Nemours And Company | Poly(trimethylene terephthalate)/poly(alpha-hydroxy acid) bi-constituent filaments |
US7504474B2 (en) * | 2005-12-21 | 2009-03-17 | E. I. Du Pont De Nemours And Company | Poly(trimethylene therephthalate) continuous manufacturing process |
US7524921B2 (en) * | 2005-12-21 | 2009-04-28 | E. I. Du Pont De Nemours And Company | Continuous manufacture of poly(trimethylene terephthalate) |
US7531617B2 (en) * | 2005-12-21 | 2009-05-12 | E. I. Du Pont De Nemours And Company | Continuous process for producing poly(trimethylene terephthalate) |
US9624342B2 (en) | 2008-02-06 | 2017-04-18 | Valspar Sourcing, Inc. | Process for manufacturing medium and high molecular weight polyesters |
US20090198004A1 (en) * | 2008-02-06 | 2009-08-06 | Valspar Sourcing, Inc. | Process for manufacturing high molecular weight polyesters |
JP5432926B2 (ja) * | 2008-02-06 | 2014-03-05 | ヴァルスパー・ソーシング・インコーポレーテッド | 中間分子量ポリエステルと高分子量ポリエステルの製造方法 |
US8337995B2 (en) | 2008-12-19 | 2012-12-25 | Valspar Sourcing, Inc. | Low penetration low formaldehyde alkyd composition |
US20120328892A1 (en) | 2010-03-09 | 2012-12-27 | Valspar Sourcing, Inc. | Non-blooming low formaldehyde coating composition |
CN103874732B (zh) * | 2012-01-30 | 2016-09-07 | 东丽株式会社 | 常压分散可染性聚酯组合物、其制造方法及由其形成的纤维及由其形成的成形体 |
US9527953B2 (en) | 2012-11-19 | 2016-12-27 | Samsung Electronics Co., Ltd. | Continuous preparation for polyester |
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WO2002038531A1 (de) | 2000-11-13 | 2002-05-16 | Basf Aktiengesellschaft | Verfahren zur herstellung von estern mehrbasiger säuren |
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US3496146A (en) * | 1967-08-23 | 1970-02-17 | Du Pont | Preparation of glycol terephthalate linear polyester by direct esterification of terephthalic acid |
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