SG50802A1 - Process for recovery of bisphenol-a from thermoplastic polymer containing dihydric phenol units - Google Patents
Process for recovery of bisphenol-a from thermoplastic polymer containing dihydric phenol unitsInfo
- Publication number
- SG50802A1 SG50802A1 SG1997000667A SG1997000667A SG50802A1 SG 50802 A1 SG50802 A1 SG 50802A1 SG 1997000667 A SG1997000667 A SG 1997000667A SG 1997000667 A SG1997000667 A SG 1997000667A SG 50802 A1 SG50802 A1 SG 50802A1
- Authority
- SG
- Singapore
- Prior art keywords
- bisphenol
- recovery
- thermoplastic polymer
- polymer containing
- dihydric phenol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
- C07C39/15—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings with all hydroxy groups on non-condensed rings, e.g. phenylphenol
- C07C39/16—Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/055—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group
- C07C37/0555—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis the substituted group being bound to oxygen, e.g. ether group being esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/673,990 US5675044A (en) | 1996-07-01 | 1996-07-01 | Process for recovery of bisphenol-A from thermoplastic polymer containing dihydric phenol units |
Publications (1)
Publication Number | Publication Date |
---|---|
SG50802A1 true SG50802A1 (en) | 1998-07-20 |
Family
ID=24704898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1997000667A SG50802A1 (en) | 1996-07-01 | 1997-03-06 | Process for recovery of bisphenol-a from thermoplastic polymer containing dihydric phenol units |
Country Status (6)
Country | Link |
---|---|
US (1) | US5675044A (ja) |
EP (1) | EP0816315B1 (ja) |
JP (1) | JPH1087540A (ja) |
DE (1) | DE69705164T2 (ja) |
ES (1) | ES2157528T3 (ja) |
SG (1) | SG50802A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10065087A1 (de) * | 2000-12-23 | 2002-08-01 | Werner Mormann | Verfahren zur Gewinnung von Phenolen aus Kunststoffen |
RU2500662C1 (ru) * | 2012-11-06 | 2013-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Уральский государственный лесотехнический университет | Способ химической утилизации отходов поликарбонатов |
US9328046B2 (en) | 2013-10-15 | 2016-05-03 | Saudi Basic Industries Corporation | Method for direct ammonolysis of polycarbonate-containing materials and products |
JP2023550948A (ja) * | 2021-09-13 | 2023-12-06 | エルジー・ケム・リミテッド | リサイクルプラスチック合成用単量体組成物、その製造方法、並びにそれを用いたリサイクルプラスチック、および成形品 |
WO2024106998A1 (ko) * | 2022-11-18 | 2024-05-23 | 주식회사 엘지화학 | 재활용 고리형 카보네이트 조성물의 제조방 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4242527A (en) * | 1977-12-28 | 1980-12-30 | General Electric Company | Process for purifying crude diphenols |
GB2062660B (en) * | 1979-10-04 | 1983-05-18 | Bridgestone Tire Co Ltd | Method of recovering and reproducing raw materials from polyurethanes |
US4885407A (en) * | 1988-07-11 | 1989-12-05 | General Electric Company | Method for recovering a dihydric phenol from a scrap polyester |
US5059721A (en) * | 1990-07-31 | 1991-10-22 | Shell Oil Company | Process for preparing a bisphenol |
JP2863386B2 (ja) * | 1992-04-20 | 1999-03-03 | 新日鐵化学株式会社 | 熱安定性の優れたビスフェノールaの製造方法 |
US5336814A (en) * | 1993-09-07 | 1994-08-09 | General Electric Company | Method for recovering bis hydroxy aromatic organic values and bis aryl carbonate values from scrap aromatic polycarbonate |
US5382708A (en) * | 1993-10-29 | 1995-01-17 | General Electric Company | Process for inhibiting dihydric phenol degradation and color formation and composition thereof |
-
1996
- 1996-07-01 US US08/673,990 patent/US5675044A/en not_active Expired - Fee Related
-
1997
- 1997-03-06 SG SG1997000667A patent/SG50802A1/en unknown
- 1997-07-01 DE DE69705164T patent/DE69705164T2/de not_active Expired - Fee Related
- 1997-07-01 ES ES97304755T patent/ES2157528T3/es not_active Expired - Lifetime
- 1997-07-01 EP EP19970304755 patent/EP0816315B1/en not_active Expired - Lifetime
- 1997-07-01 JP JP17506997A patent/JPH1087540A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ES2157528T3 (es) | 2001-08-16 |
DE69705164D1 (de) | 2001-07-19 |
EP0816315A3 (en) | 1998-05-27 |
DE69705164T2 (de) | 2002-03-07 |
EP0816315A2 (en) | 1998-01-07 |
US5675044A (en) | 1997-10-07 |
JPH1087540A (ja) | 1998-04-07 |
EP0816315B1 (en) | 2001-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SG52906A1 (en) | Method for producing an aromatic polycarbonate having improved melt stability | |
GB9823493D0 (en) | Process and system for recovering glycol from glycol/brine streams | |
HUP9601211A3 (en) | Process for recovering polyester polymer from mixed polymer recycle stream | |
EP0652098A3 (de) | Verfahren zur Polymerschmelzefiltration. | |
EP0976772A4 (en) | PROCESS FOR PRODUCING POLYCARBONATE RESIN | |
EP0982340A4 (en) | PROCESS FOR PRODUCING AROMATIC POLYCARBONATE | |
EP0492243A3 (en) | Process for separating polymers from their solution, using fluids containing carbon dioxide | |
EP1095960A4 (en) | SYSTEM AND METHOD FOR PRODUCING POLYCONDENSATION POLYMERS | |
EP0992522A4 (en) | CARBON DIESTER, AROMATIC POLYCARBONATE, PRODUCTION APPARATUS, AND PRODUCTION METHOD | |
EP0735073A3 (de) | Verfahren zur Herstellung von thermoplastischem Polycarbonat | |
AU1615997A (en) | Process for the recovery of volatile low molecular compounds | |
EP1048685A4 (en) | METHOD AND DEVICE FOR PRODUCING AROMATIC POLYCARBONATE | |
SG50802A1 (en) | Process for recovery of bisphenol-a from thermoplastic polymer containing dihydric phenol units | |
EP1095957A4 (en) | PROCESS FOR PRODUCING AROMATIC POLYCARBONATE | |
ZA974964B (en) | Process for high speed manufacture of assemblies made of plastic parts. | |
EP0908484A4 (en) | PROCESSES FOR PRODUCING POLYCARBONATE | |
EP0641758A3 (en) | Process for the recovery of bis-hydroxyaromatic and bis-arylcarbonate compounds from wastes of aromatic polycarbonates. | |
AU4929997A (en) | Process for recovering a solid microporous polyester polymer from a recycle stream and products made thereby | |
GB2289685B (en) | Process for making an aromatic polymer | |
SG54571A1 (en) | Process for producing diaryl carbonate | |
ZA97628B (en) | Membrane separation process | |
EP1008608A4 (en) | BRANCHED POLYCARBONATE AND METHOD FOR THE PRODUCTION THEREOF | |
DE69515424D1 (de) | Trennung von Kunststoffen zur Wiederverwerkung | |
ID18789A (id) | Proses untuk memproduksi resin polikarbonat aromatik | |
EP0770591A3 (en) | Process for the treatment of phenol tar |