ATE427975T1 - Depolymerisation von fluorpolymeren - Google Patents

Depolymerisation von fluorpolymeren

Info

Publication number
ATE427975T1
ATE427975T1 AT06831918T AT06831918T ATE427975T1 AT E427975 T1 ATE427975 T1 AT E427975T1 AT 06831918 T AT06831918 T AT 06831918T AT 06831918 T AT06831918 T AT 06831918T AT E427975 T1 ATE427975 T1 AT E427975T1
Authority
AT
Austria
Prior art keywords
reaction zone
gas phase
fluoropolymer
fluoro
fluoropolymer particles
Prior art date
Application number
AT06831918T
Other languages
English (en)
Inventor
Der Walt Izak Van
Alfred Grunenberg
Johannes Nel
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
Application granted granted Critical
Publication of ATE427975T1 publication Critical patent/ATE427975T1/de

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
    • 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
    • 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)
AT06831918T 2005-11-30 2006-11-24 Depolymerisation von fluorpolymeren ATE427975T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA200509703 2005-11-30

Publications (1)

Publication Number Publication Date
ATE427975T1 true ATE427975T1 (de) 2009-04-15

Family

ID=37890126

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06831918T ATE427975T1 (de) 2005-11-30 2006-11-24 Depolymerisation von fluorpolymeren

Country Status (15)

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

Families Citing this family (14)

* 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 (en) * 2011-09-23 2013-03-28 Banus Christopher T Apparatus and method for converting hazardous waste containing unreacted resin and solvents into disposable non-hazardous material
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
US12116337B2 (en) 2019-09-18 2024-10-15 Ineos Styrolution Group Gmbh Process for the depolymerization of polystyrene
WO2021053075A1 (de) 2019-09-18 2021-03-25 Ineos Styrolution Group Gmbh Verfahren zur depolymerisation von polystyrol in gegenwart von fremdpolymeren
CN114901737A (zh) 2019-10-15 2022-08-12 英力士苯领集团股份公司 通过含苯乙烯共聚物的聚合物物料的解聚生产苯乙烯单体的方法
EP4081498A1 (de) 2019-12-23 2022-11-02 3M Innovative Properties Company Verfahren zur herstellung von fluorolefinen durch thermische zersetzung von fluorierten ionomeren
KR20230091108A (ko) 2020-10-19 2023-06-22 이네오스 스티롤루션 그룹 게엠베하 유기 할로겐 화합물의 분해로 중합체 조성물의 해중합 방법
CN116981652A (zh) 2021-02-25 2023-10-31 英力士苯领集团股份公司 通过解聚工艺进行的苯乙烯低聚物回收
CN112844245A (zh) * 2021-03-01 2021-05-28 衢州市膜力环保科技有限公司 一种绞龙式连续反应装置及其除灰方法
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
CN117024245B (zh) * 2023-08-07 2024-06-18 浙江大学 一种热等离子体裂解废旧聚四氟乙烯生产四氟甲烷的方法

Family Cites Families (17)

* 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
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
US5541346A (en) * 1992-10-21 1996-07-30 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.
JP5178980B2 (ja) * 2000-02-10 2013-04-10 サウス アフリカン ニュークリア エナージィ コーポレイション リミテッド 炭化フッ素供給原料の処理方法
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
JP5185132B2 (ja) 2013-04-17
BRPI0620524A2 (pt) 2011-11-16
EP1966291A1 (de) 2008-09-10
RU2452743C2 (ru) 2012-06-10
ZA200804452B (en) 2009-10-28
US8212091B2 (en) 2012-07-03
AU2006321245A1 (en) 2007-06-07
WO2007063462A1 (en) 2007-06-07
ES2325602T3 (es) 2009-09-09
KR20090015883A (ko) 2009-02-12
MX2008006967A (es) 2008-12-01
RU2008126408A (ru) 2010-01-10
JP2009517454A (ja) 2009-04-30
CN101341202A (zh) 2009-01-07
CN101341202B (zh) 2011-11-30
AU2006321245B2 (en) 2012-03-01
CA2632046C (en) 2014-01-28
KR101345307B1 (ko) 2013-12-27
EP1966291B1 (de) 2009-04-08
CA2632046A1 (en) 2007-06-07
US20090149679A1 (en) 2009-06-11
DE602006006220D1 (de) 2009-05-20

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