KR102766336B1 - 화학적 재활용 pet의 제조 방법 - Google Patents
화학적 재활용 pet의 제조 방법 Download PDFInfo
- Publication number
- KR102766336B1 KR102766336B1 KR1020210164913A KR20210164913A KR102766336B1 KR 102766336 B1 KR102766336 B1 KR 102766336B1 KR 1020210164913 A KR1020210164913 A KR 1020210164913A KR 20210164913 A KR20210164913 A KR 20210164913A KR 102766336 B1 KR102766336 B1 KR 102766336B1
- Authority
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- Prior art keywords
- dicarboxylic acid
- bhet
- pet
- supplying
- diol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title abstract description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 75
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 claims abstract description 38
- -1 dicarboxylic acid compound Chemical class 0.000 claims abstract description 30
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 26
- 238000005886 esterification reaction Methods 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 9
- 230000008018 melting Effects 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims description 36
- 239000002699 waste material Substances 0.000 claims description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- 150000002009 diols Chemical class 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 57
- 239000005020 polyethylene terephthalate Substances 0.000 description 57
- 238000004064 recycling Methods 0.000 description 13
- 238000006068 polycondensation reaction Methods 0.000 description 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 230000032050 esterification Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 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
- 239000000126 substance Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- LIBOYZGDGVDKKH-UHFFFAOYSA-N 2-(8-methylnonyl)butanedioic acid Chemical compound CC(C)CCCCCCCC(C(O)=O)CC(O)=O LIBOYZGDGVDKKH-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 150000001463 antimony compounds Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-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
- 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
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 150000002291 germanium compounds Chemical class 0.000 description 1
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000012643 polycondensation polymerization Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002954 polymerization reaction product Substances 0.000 description 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- GGUBFICZYGKNTD-UHFFFAOYSA-N triethyl phosphonoacetate Chemical compound CCOC(=O)CP(=O)(OCC)OCC GGUBFICZYGKNTD-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 238000005406 washing Methods 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
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims (3)
- 디카르복실산 화합물, 및 디올 화합물을 혼합 용기에 공급하여, 디카르복실산-디올 슬러리를 수득하는 단계;
BHET 파우더를 용융 드럼에 공급하여, 용융 BHET를 수득하는 단계;
상기 디카르복실산-디올 슬러리 및 상기 용융 BHET를 중합 반응기에 공급하여, 에스테르화 반응을 유도하는 단계;
상기 에스테르화 반응에서 디카르복실산과 디올의 몰비가 1:1.05 내지 1:3.0가 되도록, 상기 중합 반응기의 상부 스트림으로부터 잔여 에틸렌 글리콜을 회수하는 단계; 및
상기 잔여 에틸렌 글리콜을 상기 혼합 용기에 공급하여 혼합 용기 내의 유동성을 유지시키는 단계;를 포함하고,
상기 BHET 파우더는 폐 PET의 해중합을 통하여 수득된 것인,
화학적 재활용 PET의 제조 방법. - 청구항 1에 있어서,
상기 용융 드럼은 110 ℃ 내지 130 ℃의 온도 범위 하에서 상기 BHET 파우더를 용융하는 것을 특징으로 하는, 화학적 재활용 PET의 제조 방법. - 청구항 1에 있어서,
상기 중합 반응기에서의 에스테르화 반응은 200 ℃ 내지 260 ℃의 온도 범위 및 1 bar 내지 4 bar의 압력 범위 하에서 수행되는 것을 특징으로 하는, 화학적 재활용 PET의 제조 방법.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210164913A KR102766336B1 (ko) | 2021-11-25 | 2021-11-25 | 화학적 재활용 pet의 제조 방법 |
US18/713,418 US20250034325A1 (en) | 2021-11-25 | 2022-11-18 | Method for manufacturing chemically recycled pet |
JP2024530437A JP2024540632A (ja) | 2021-11-25 | 2022-11-18 | ケミカルリサイクルpetの製造方法 |
EP22898951.3A EP4438651A1 (en) | 2021-11-25 | 2022-11-18 | Method for manufacturing chemically recycled pet |
PCT/KR2022/018257 WO2023096269A1 (ko) | 2021-11-25 | 2022-11-18 | 화학적 재활용 pet의 제조 방법 |
CN202280077807.8A CN118284644A (zh) | 2021-11-25 | 2022-11-18 | 化学再生pet的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020210164913A KR102766336B1 (ko) | 2021-11-25 | 2021-11-25 | 화학적 재활용 pet의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20230077542A KR20230077542A (ko) | 2023-06-01 |
KR102766336B1 true KR102766336B1 (ko) | 2025-02-12 |
Family
ID=86539911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020210164913A Active KR102766336B1 (ko) | 2021-11-25 | 2021-11-25 | 화학적 재활용 pet의 제조 방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20250034325A1 (ko) |
EP (1) | EP4438651A1 (ko) |
JP (1) | JP2024540632A (ko) |
KR (1) | KR102766336B1 (ko) |
CN (1) | CN118284644A (ko) |
WO (1) | WO2023096269A1 (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101076361B1 (ko) * | 2011-01-12 | 2011-10-25 | 이중용 | 폐열 회수 및 원료 예열을 통한 에너지 절감형 에스터 제조장치 및 제조방법 |
JP2016141791A (ja) * | 2015-02-05 | 2016-08-08 | 東レ株式会社 | 共重合ポリエステル樹脂組成物 |
WO2021038512A1 (en) * | 2019-08-28 | 2021-03-04 | Sanjay Tammaji Kulkarni | A process for manufacturing specialty polyesters & co-polyesters from recycled bis 2-hydroxyethyl terephthalate (rbhet) and product thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7893122B2 (en) * | 2004-01-27 | 2011-02-22 | Arturo Guadalupe Fregoso-Infante | Chemical process for recycling polyethylene terephthalate (PET) waste |
DE102008044440B4 (de) * | 2008-08-18 | 2011-03-03 | Lurgi Zimmer Gmbh | Verfahren und Vorrichtung zur Rückgewinnung von Ethylenglykol bei der Polyethylenterephthalatherstellung |
CN103132175B (zh) | 2013-01-09 | 2016-03-02 | 江苏盛虹科技股份有限公司 | 再生基阳离子可染涤纶长丝及其制备方法 |
KR101347906B1 (ko) * | 2013-02-27 | 2014-01-08 | (주) 시온텍 | 폴리에스터 폐기물의 재생방법 및 그 재생장치 |
KR20210067554A (ko) * | 2019-11-29 | 2021-06-08 | 롯데케미칼 주식회사 | 폐 pet의 화학적 재활용 방법 |
-
2021
- 2021-11-25 KR KR1020210164913A patent/KR102766336B1/ko active Active
-
2022
- 2022-11-18 CN CN202280077807.8A patent/CN118284644A/zh active Pending
- 2022-11-18 EP EP22898951.3A patent/EP4438651A1/en active Pending
- 2022-11-18 US US18/713,418 patent/US20250034325A1/en active Pending
- 2022-11-18 WO PCT/KR2022/018257 patent/WO2023096269A1/ko active Application Filing
- 2022-11-18 JP JP2024530437A patent/JP2024540632A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101076361B1 (ko) * | 2011-01-12 | 2011-10-25 | 이중용 | 폐열 회수 및 원료 예열을 통한 에너지 절감형 에스터 제조장치 및 제조방법 |
JP2016141791A (ja) * | 2015-02-05 | 2016-08-08 | 東レ株式会社 | 共重合ポリエステル樹脂組成物 |
WO2021038512A1 (en) * | 2019-08-28 | 2021-03-04 | Sanjay Tammaji Kulkarni | A process for manufacturing specialty polyesters & co-polyesters from recycled bis 2-hydroxyethyl terephthalate (rbhet) and product thereof |
Also Published As
Publication number | Publication date |
---|---|
US20250034325A1 (en) | 2025-01-30 |
EP4438651A1 (en) | 2024-10-02 |
KR20230077542A (ko) | 2023-06-01 |
WO2023096269A1 (ko) | 2023-06-01 |
JP2024540632A (ja) | 2024-10-31 |
CN118284644A (zh) | 2024-07-02 |
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