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 PCT/PE2013/000004 priority patent/WO2014185793A1/es
Priority to US14/890,722 priority patent/US20160185696A1/en
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

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
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
US14/890,722 US20160185696A1 (en) 2013-05-15 2013-06-19 Method for Obtaining Bisphenol-A (BPA) from Polycarbonate Waste Using Microwave Radiation

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108473755B (zh) * 2016-01-04 2021-03-19 住友精化株式会社 树脂表面粗糙化用组合物
CN113993831A (zh) * 2019-06-19 2022-01-28 高新特殊工程塑料全球技术有限公司 聚(碳酸酯)的解聚以及双酚a从解聚的聚(碳酸酯)的分离
WO2020257234A1 (en) * 2019-06-19 2020-12-24 Sabic Global Technologies B.V. Isolation of bisphenol a from depolymerization of a poly(carbonate)
WO2023275386A1 (en) * 2021-07-02 2023-01-05 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101166705A (zh) * 2005-04-20 2008-04-23 帝人化成株式会社 由废芳族聚碳酸酯得到芳族二羟基化合物的碱金属盐水溶液的方法

Also Published As

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

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