ZA200804452B - Depolymerization of fluoropolymers - Google Patents

Depolymerization of fluoropolymers

Info

Publication number
ZA200804452B
ZA200804452B ZA200804452A ZA200804452A ZA200804452B ZA 200804452 B ZA200804452 B ZA 200804452B ZA 200804452 A ZA200804452 A ZA 200804452A ZA 200804452 A ZA200804452 A ZA 200804452A ZA 200804452 B ZA200804452 B ZA 200804452B
Authority
ZA
South Africa
Prior art keywords
reaction zone
gas phase
fluoropolymer
fluoro
fluoropolymer particles
Prior art date
Application number
ZA200804452A
Other languages
English (en)
Inventor
Van Der Walt Izak Jacobus
Grunenberg Alfred Teo
Nel Johannes Theodorus
Original Assignee
South African Nuclear Energy
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 South African Nuclear Energy filed Critical South African Nuclear Energy
Priority to ZA200804452A priority Critical patent/ZA200804452B/xx
Publication of ZA200804452B publication Critical patent/ZA200804452B/xx

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
    • 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
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyesters Or Polycarbonates (AREA)
ZA200804452A 2005-11-30 2008-05-22 Depolymerization of fluoropolymers ZA200804452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200804452A ZA200804452B (en) 2005-11-30 2008-05-22 Depolymerization of fluoropolymers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200509703 2005-11-30
ZA200804452A ZA200804452B (en) 2005-11-30 2008-05-22 Depolymerization of fluoropolymers

Publications (1)

Publication Number Publication Date
ZA200804452B true ZA200804452B (en) 2009-10-28

Family

ID=37890126

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200804452A ZA200804452B (en) 2005-11-30 2008-05-22 Depolymerization of fluoropolymers

Country Status (15)

Country Link
US (1) US8212091B2 (fr)
EP (1) EP1966291B1 (fr)
JP (1) JP5185132B2 (fr)
KR (1) KR101345307B1 (fr)
CN (1) CN101341202B (fr)
AT (1) ATE427975T1 (fr)
AU (1) AU2006321245B2 (fr)
BR (1) BRPI0620524A2 (fr)
CA (1) CA2632046C (fr)
DE (1) DE602006006220D1 (fr)
ES (1) ES2325602T3 (fr)
MX (1) MX2008006967A (fr)
RU (1) RU2452743C2 (fr)
WO (1) WO2007063462A1 (fr)
ZA (1) ZA200804452B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0817873D0 (en) 2008-10-01 2008-11-05 3M Innovative Properties Co Process of making fluoroelefins by thermal decomposition of fluorinated materials
WO2013043642A2 (fr) * 2011-09-23 2013-03-28 Banus Christopher T Appareil et procédé de conversion de déchets dangereux contenant une résine n'ayant pas réagi et des solvants en une substance non dangereuse jetable
DE102012220498A1 (de) * 2012-11-09 2014-05-15 Aquafil Engineering Gmbh Verfahren und Vorrichtung zur Behandlung von Polymeren
RU2559891C1 (ru) * 2014-05-29 2015-08-20 Федеральное государственное унитарное предприятие "Российский научный центр "Прикладная химия" Способ переработки политетрафторэтилена
WO2021053075A1 (fr) 2019-09-18 2021-03-25 Ineos Styrolution Group Gmbh Procédé de dépolymérisation de polystyrène en présence de polymères étrangers
KR20220065005A (ko) 2019-09-18 2022-05-19 이네오스 스티롤루션 그룹 게엠베하 폴리스티렌의 해중합 방법
US20240101781A1 (en) 2019-10-15 2024-03-28 Ineos Styrolution Group Gmbh Method of producing styrene monomers by depolymerization of a styrene-copolymer-containing polymer mass
CN114829323B (zh) 2019-12-23 2023-09-01 3M创新有限公司 通过氟化离聚物热分解制备氟代烯烃的方法
EP4229124A1 (fr) 2020-10-19 2023-08-23 INEOS Styrolution Group GmbH Procédé de dépolymérisation de masses polymères tout en dégradant des composés halogénés organiques
US20240140884A1 (en) 2021-02-25 2024-05-02 Ineos Styrolution Group Gmbh Recycling of styrene oligomers by de-polymerization process
CN115925506B (zh) * 2022-11-30 2023-06-23 福建省巨颖高能新材料有限公司 一种八氟丙烷的制备方法
CN115819650A (zh) * 2022-12-28 2023-03-21 重庆微而易科技有限公司 一种由废旧聚四氟乙烯制备聚四氟乙烯的方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2404374A (en) * 1943-04-23 1946-07-23 Du Pont Polyfluorinated cycloparaffins and process for producing them
US2758138A (en) * 1954-05-06 1956-08-07 Du Pont Pyrolysis process for making perfluoropropene from tetrafluoroethylene
US3663592A (en) * 1969-12-02 1972-05-16 Minnesota Mining & Mfg Fluoroalkoxyalkyl 2-cyanoacetates
US3959357A (en) * 1973-02-23 1976-05-25 Japan Steel Works, Ltd. Method for continuously thermally decomposing synthetic macro-molecule materials
SU567309A1 (en) * 1975-07-11 1993-10-30 I V Romanov Method of waste processing
SU603659A1 (ru) * 1976-12-30 1978-04-25 Московский ордена Трудового Красного Знамени технологический институт пищевой промышленности Способ получени 2-кето-д-глюконата кальци
SU816766A1 (ru) * 1979-06-15 1981-03-30 Предприятие П/Я В-8469 Устройство дл высокотемпературнойпЕРЕРАбОТКи ОТХОдОВ пОлиМЕРОВ
DE3146194A1 (de) * 1981-11-21 1983-05-26 Röhm GmbH, 6100 Darmstadt Verfahren und vorrichtung zur thermischen depolymerisation von polymeren
JPS62109839A (ja) 1985-11-07 1987-05-21 Nok Corp 耐摩耗性が改善されたゴム組成物
US5635585A (en) * 1992-10-21 1997-06-03 E. I. Du Pont De Nemours And Company Polymerization of, and depolymerization to, cyclic ethers using selected metal compound catalysts
JPH06298994A (ja) 1993-04-12 1994-10-25 Sanwa Kako Co Ltd 廃プラスチックの熱分解装置
DE4334015A1 (de) * 1993-10-06 1995-04-13 Hoechst Ag Verfahren zur Herstellung von fluorierten Monomeren
RU2082709C1 (ru) * 1994-05-19 1997-06-27 Научно-внедренческая фирма "Поликом, Инк" Способ получения мономера пиролитическим разложением соответствующего полимера и установка для его осуществления
ZA976292B (en) * 1996-07-29 1998-02-03 Aeci Ltd Process for decomposing a polymer to its monomer or monomers.
ZA200102431B (en) 2000-01-26 2001-10-23 Brubin Chemicals Proprietary L Depolymerisation of polytetrafluorethylene.
WO2001058584A2 (fr) * 2000-02-10 2001-08-16 South African Nuclear Energy Corporation Limited Traitement de charges de fluorocarbure
JP4560198B2 (ja) * 2000-10-23 2010-10-13 株式会社チサキ 付着性物質の加熱処理装置及び方法
ATE384032T1 (de) * 2002-03-01 2008-02-15 Daikin Ind Ltd Verfahren zur herstellung von fluormonomer
US20040241573A1 (en) * 2003-06-02 2004-12-02 Ray Kevin Barry Thermally sensitive, white light safe mask for use in flexography

Also Published As

Publication number Publication date
CN101341202B (zh) 2011-11-30
AU2006321245B2 (en) 2012-03-01
ES2325602T3 (es) 2009-09-09
KR20090015883A (ko) 2009-02-12
MX2008006967A (es) 2008-12-01
BRPI0620524A2 (pt) 2011-11-16
ATE427975T1 (de) 2009-04-15
KR101345307B1 (ko) 2013-12-27
CN101341202A (zh) 2009-01-07
US8212091B2 (en) 2012-07-03
RU2008126408A (ru) 2010-01-10
WO2007063462A1 (fr) 2007-06-07
EP1966291A1 (fr) 2008-09-10
CA2632046A1 (fr) 2007-06-07
AU2006321245A1 (en) 2007-06-07
JP2009517454A (ja) 2009-04-30
JP5185132B2 (ja) 2013-04-17
US20090149679A1 (en) 2009-06-11
DE602006006220D1 (de) 2009-05-20
EP1966291B1 (fr) 2009-04-08
RU2452743C2 (ru) 2012-06-10
CA2632046C (fr) 2014-01-28

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