PE20142190A1 - Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas - Google Patents

Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas

Info

Publication number
PE20142190A1
PE20142190A1 PE2013001097A PE2013001097A PE20142190A1 PE 20142190 A1 PE20142190 A1 PE 20142190A1 PE 2013001097 A PE2013001097 A PE 2013001097A PE 2013001097 A PE2013001097 A PE 2013001097A PE 20142190 A1 PE20142190 A1 PE 20142190A1
Authority
PE
Peru
Prior art keywords
bisphenol
alkaline solution
polycarbonate
microwave radiation
polycarbonate waste
Prior art date
Application number
PE2013001097A
Other languages
English (en)
Inventor
Kuniyoshi Javier Nakamatsu
Rodriguez Bruno Alonso Ortiz
Original Assignee
Univ Pontificia Catolica Peru
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 by Univ Pontificia Catolica Peru filed Critical Univ Pontificia Catolica Peru
Priority to PE2013001097A priority Critical patent/PE20142190A1/es
Priority to US14/890,722 priority patent/US20160185696A1/en
Priority to PCT/PE2013/000004 priority patent/WO2014185793A1/es
Publication of PE20142190A1 publication Critical patent/PE20142190A1/es

Links

Classifications

    • 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
    • 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
    • C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
    • C07C37/56—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by replacing a carboxyl or aldehyde group by a hydroxy group
    • 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
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
    • 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
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

REFERIDA A UN PROCEDIMIENTO PARA LA DESCOMPOSICION DE DESECHOS DE POLICARBONATO FABRICADOS A PARTIR DE BISFENOL-A QUE COMPRENDE: a) PREPARAR UNA SOLUCION ALCALINA EN ALCOHOL, LA CUAL CONTIENE METANOL Y ENTRE 1% Y 5% (p/p) DE UN ALCALI TAL COMO HIDROXIDO DE SODIO O HIDROXIDO DE POTASIO, b) COMBINAR LA SOLUCION ALCALINA CON DESECHOS DE POLICARBONATO EN UN REACTOR, DONDE LA PROPORCION DE LA MEZCLA ES DE 1 ML A 5 ML DE SOLUCION ALCALINA POR GRAMO DE DESECHO DE POLICARBONATO, c) CERRAR EL REACTOR CON LA SOLUCION ALCALINA Y COLOCARLO EN UN EQUIPO PROVISTO DE UN GENERADOR DE RADIACION DE MICROONDAS CON UNA FRECUENCIA DE 2455 MHZ, DONDE LA REACCION SE LLEVA A CABO CON AGITACION CONSTANTE A UNA TEMPERATURA ENTRE 90�C Y 150�C Y A UNA PRESION ENTRE 0,1 Y 1,2 MPA POR UN TIEMPO DE ENTRE 3 Y 10 MINUTOS PARA DESCOMPONER EL BISFENOL-A, d) FILTRAR, e) DEJAR REPOSAR LA MEZCLA POR 30 MINUTOS, FILTRAR PARA RECUPERAR EL BISFENOL-A EN ESTADO SOLIDO Y DEJAR SECAR
PE2013001097A 2013-05-15 2013-05-15 Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas PE20142190A1 (es)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PE2013001097A PE20142190A1 (es) 2013-05-15 2013-05-15 Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas
US14/890,722 US20160185696A1 (en) 2013-05-15 2013-06-19 Method for Obtaining Bisphenol-A (BPA) from Polycarbonate Waste Using Microwave Radiation
PCT/PE2013/000004 WO2014185793A1 (es) 2013-05-15 2013-06-19 Método para la obtención de bisfenol-a a partir de desechos de policarbonato utilizando radiación de microondas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PE2013001097A PE20142190A1 (es) 2013-05-15 2013-05-15 Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas

Publications (1)

Publication Number Publication Date
PE20142190A1 true PE20142190A1 (es) 2015-01-11

Family

ID=51898662

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2013001097A PE20142190A1 (es) 2013-05-15 2013-05-15 Metodo para la obtencion de bisfenol-a a partir de desechos de policarbonato utilizando radiacion de microondas

Country Status (3)

Country Link
US (1) US20160185696A1 (es)
PE (1) PE20142190A1 (es)
WO (1) WO2014185793A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017119330A1 (ja) 2016-01-04 2017-07-13 住友精化株式会社 樹脂表面粗化用組成物
WO2020257237A1 (en) * 2019-06-19 2020-12-24 Sabic Global Technologies B.V. Depolymerization of a poly(carbonate) and isolation of bisphenol a from a depolymerized poly(carbonate)
WO2020257234A1 (en) * 2019-06-19 2020-12-24 Sabic Global Technologies B.V. Isolation of bisphenol a from depolymerization of a poly(carbonate)
JP7613067B2 (ja) * 2020-11-27 2025-01-15 三菱ケミカル株式会社 ビスフェノールの製造方法および再生ポリカーボネート樹脂の製造方法
EP4363495A1 (en) * 2021-07-02 2024-05-08 Katholieke Universiteit Leuven Depolymerization
CN113527096B (zh) * 2021-07-17 2022-12-20 复旦大学 微波辅助碱催化选择性降解聚碳酸酯和聚酯类塑料的方法
CN117720400A (zh) * 2023-11-09 2024-03-19 复旦大学 一种聚碳酸酯塑料在聚醚溶剂中全降解的方法
CN119143584B (zh) * 2024-11-13 2025-08-22 浙江大学长三角智慧绿洲创新中心 一种磷酸酯参与的废pc制备双酚a二烷基醚的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7750057B2 (en) * 2005-04-20 2010-07-06 Teijin Chemicals, Ltd. Method for obtaining alkali metal salt aqueous solution of aromatic dihydroxy compound from waste aromatic polycarbonate

Also Published As

Publication number Publication date
US20160185696A1 (en) 2016-06-30
WO2014185793A1 (es) 2014-11-20

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