BE640836A - - Google Patents

Info

Publication number
BE640836A
BE640836A BE640836DA BE640836A BE 640836 A BE640836 A BE 640836A BE 640836D A BE640836D A BE 640836DA BE 640836 A BE640836 A BE 640836A
Authority
BE
Belgium
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of BE640836A publication Critical patent/BE640836A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
    • 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
    • C08G63/78—Preparation processes
    • C08G63/785—Preparation processes characterised by the apparatus used
    • 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
    • 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
    • C08J2361/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2361/02—Condensation polymers of aldehydes or ketones only
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE640836D 1962-12-06 1963-12-05 BE640836A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US242790A US3257335A (en) 1962-12-06 1962-12-06 Two-stage process for depolymerizing polyesters

Publications (1)

Publication Number Publication Date
BE640836A true BE640836A (cg-RX-API-DMAC7.html) 1964-06-05

Family

ID=22916193

Family Applications (1)

Application Number Title Priority Date Filing Date
BE640836D BE640836A (cg-RX-API-DMAC7.html) 1962-12-06 1963-12-05

Country Status (7)

Country Link
US (1) US3257335A (cg-RX-API-DMAC7.html)
BE (1) BE640836A (cg-RX-API-DMAC7.html)
DE (1) DE1243684B (cg-RX-API-DMAC7.html)
FR (1) FR1386373A (cg-RX-API-DMAC7.html)
GB (1) GB1012652A (cg-RX-API-DMAC7.html)
LU (1) LU44949A1 (cg-RX-API-DMAC7.html)
NL (1) NL301426A (cg-RX-API-DMAC7.html)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1495250A1 (de) * 1961-10-12 1969-03-13 Albert Ag Chem Werke Verfahren zur Herstellung von Polyesterharzen
US3446758A (en) * 1966-01-12 1969-05-27 Goodyear Tire & Rubber Thermosettable resin from preformed linear polyester and a polyhydric alcohol
US4054561A (en) * 1975-01-27 1977-10-18 Owens-Corning Fiberglas Corporation Thermoplastic additives for molding compounds
US4096102A (en) * 1975-01-27 1978-06-20 Owens-Corning Fiberglas Corporation Moldable compositions comprising thermosetting polyester resin and thermoplastic resin
US4138374A (en) * 1978-02-03 1979-02-06 E. I. Du Pont De Nemours And Company Process for manufacturing shaped polyester article using scrap materials
US4711912A (en) * 1982-04-29 1987-12-08 The Celotex Corporation Polyisocyanurate foams from digestion products of polyalkylene terephthalate polymers and polyols
US4873268A (en) * 1984-02-22 1989-10-10 Sloss Industries Corporation Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom
US4539341A (en) * 1984-02-22 1985-09-03 Jim Walter Resources, Inc. Digestion products of polyalkylene terephthalate polymers and polycarboxylic acid-containing polyols and polymeric foams obtained therefrom
US4559370A (en) * 1984-05-25 1985-12-17 Blanpied Robert H Copolyester polyol resins, polyol blends comprising the same, and resultant polyisocyanurate foams
JPS60248646A (ja) * 1984-05-25 1985-12-09 Toray Ind Inc ポリエステル屑の解重合方法
US5236959A (en) * 1992-03-12 1993-08-17 Hoechst Celanese Corporation Process for recycling polyester/cotton blends
ES2134261T3 (es) * 1992-05-18 1999-10-01 Swig Pty Ltd Mejoras en la descontaminacion de tereftalato de polietileno.
US5602187A (en) * 1992-05-18 1997-02-11 Swig Pty Ltd. Polyethylene terephthalate decontamination
US5504121A (en) * 1992-05-18 1996-04-02 Swig Pty Ltd. Polyethylene terephthalate decontamination
DE4227299C1 (de) * 1992-08-18 1994-01-27 Hoechst Ag Verfahren zur Herstellung von monomeren Terephthalsäurediestern und Diolen aus Polyestern
CA2165651A1 (en) * 1993-07-05 1995-01-19 James Lumsden Harvie Production of dicarboxylic acids
US5380793A (en) * 1993-07-13 1995-01-10 Ashland Oil, Inc. Styrene soluble unsatured polyester resin from polyethylene terephthalate
TW330940B (en) * 1993-12-22 1998-05-01 Mitsui Petroleum Chemicals Ind A method of manufacturing polyesters
KR970701755A (ko) * 1994-03-11 1997-04-12 마이클 제이. 머피 재생 폴리에스테르의 공중합체(Copolymers of recycled polyesters)
US5580905A (en) * 1994-04-28 1996-12-03 United Resource Recovery Corporation Process for recycling polyesters
US5395858A (en) * 1994-04-28 1995-03-07 Partek, Inc. Process for recycling polyester
IT1278166B1 (it) * 1995-01-24 1997-11-17 Ars Ing Srl Processo per la preparazione di bis (2-idrossietil) teraftalato
US5635584A (en) * 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
US5756554A (en) * 1996-02-02 1998-05-26 Ashland Inc. Low profile additives for polyester resin systems based on asymmetric glycols and aromatic diacids
US5958987A (en) 1996-04-10 1999-09-28 The Coca-Cola Company Process for separating polyester from other materials
US5821381A (en) * 1997-02-03 1998-10-13 Eastman Kodak Company Low pressure process for purifying crude polyester by sublimation
US5712410A (en) * 1997-03-03 1998-01-27 Eastman Kodak Company Gas phase crystallization of dimethyl terephthalate
DE60239100D1 (de) * 2001-06-19 2011-03-17 United Resource Recovery Corp Verfahren zur trennung von polyester von anderen materialien
US20030134915A1 (en) * 2001-12-17 2003-07-17 Scantlebury Geoffrey Raymond Production of transparent polyester using waste
US7098299B1 (en) * 2005-03-16 2006-08-29 United Resource Recovery Corporation Separation of contaminants from polyester materials
US9458354B2 (en) 2010-10-06 2016-10-04 Resinate Technologies, Inc. Polyurethane dispersions and methods of making and using same
EP2520601A1 (en) 2011-05-05 2012-11-07 Cytec Surface Specialties, S.A. Process for producing polyesters
CA2838825A1 (en) 2011-06-10 2012-12-13 Kristopher M. Felice Clear coatings acrylic coatings
WO2013025186A1 (en) 2011-08-12 2013-02-21 Eastman Chemical Company Process for the preparation of polyesters with high recycle content
WO2021021902A1 (en) 2019-07-29 2021-02-04 Eastman Chemical Company Process for the preparation of polyesters with recycled monomers from pyrolysis and methanolysis
CN115052730A (zh) 2020-02-10 2022-09-13 伊士曼化工公司 处理的混合塑料废物流的化学回收
WO2021163104A1 (en) 2020-02-10 2021-08-19 Eastman Chemical Company Chemical recycling of solvolysis glycol column bottoms coproduct streams
CN115052728A (zh) 2020-02-10 2022-09-13 伊士曼化工公司 溶剂分解副产物流的化学回收
US12686753B2 (en) 2020-02-10 2026-07-21 Eastman Chemical Company Chemical recycling of solvolysis terephthalyl column bottoms coproduct streams
EP4423047A1 (en) 2021-10-25 2024-09-04 Eastman Chemical Company Processes for recovering dialkyl terephthalates from polyester compositions
DE102021212695A1 (de) 2021-11-11 2023-05-11 Thyssenkrupp Ag Vorrichtung und verfahren zur herstellung eines polyester-depolymerisats sowie vorrichtung und verfahren zur herstellung eines polyesters
WO2026050193A1 (en) 2024-08-27 2026-03-05 Eastman Chemical Company Process for treating contaminated polyester recovery feedstock
WO2026050194A1 (en) 2024-08-27 2026-03-05 Eastman Chemical Company Process for recovering polyester from contaminated polyester recovery feedstock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA490032A (en) * 1953-01-27 Lewis Heath Royden Degradation of aromatic polyesters

Also Published As

Publication number Publication date
LU44949A1 (cg-RX-API-DMAC7.html) 1964-06-05
FR1386373A (fr) 1965-01-22
NL301426A (cg-RX-API-DMAC7.html)
GB1012652A (en) 1965-12-08
US3257335A (en) 1966-06-21
DE1243684B (de) 1967-07-06

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