FR2295981A1 - Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres - Google Patents

Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres

Info

Publication number
FR2295981A1
FR2295981A1 FR7443074A FR7443074A FR2295981A1 FR 2295981 A1 FR2295981 A1 FR 2295981A1 FR 7443074 A FR7443074 A FR 7443074A FR 7443074 A FR7443074 A FR 7443074A FR 2295981 A1 FR2295981 A1 FR 2295981A1
Authority
FR
France
Prior art keywords
oligomers
irradiation
polymers
chemical degradation
degradation
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7443074A
Other languages
English (en)
Other versions
FR2295981B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akademie der Wissenschaften der DDR
Original Assignee
Akademie der Wissenschaften der DDR
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
Priority to DD145764A priority Critical patent/DD112588A3/xx
Priority to DE19742456870 priority patent/DE2456870A1/de
Priority to AT963674A priority patent/AT345551B/de
Priority to CH1628274A priority patent/CH617216A5/de
Priority to NL7416009A priority patent/NL7416009A/xx
Priority to GB53330/74A priority patent/GB1496347A/en
Priority to BE151480A priority patent/BE823325A/fr
Priority to JP49144563A priority patent/JPS5171388A/ja
Priority to LU71552A priority patent/LU71552A1/xx
Application filed by Akademie der Wissenschaften der DDR filed Critical Akademie der Wissenschaften der DDR
Priority to FR7443074A priority patent/FR2295981A1/fr
Priority to US05/609,969 priority patent/US4072591A/en
Publication of FR2295981A1 publication Critical patent/FR2295981A1/fr
Application granted granted Critical
Publication of FR2295981B1 publication Critical patent/FR2295981B1/fr
Granted legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/081—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing particle radiation or gamma-radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/081—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing particle radiation or gamma-radiation
    • B01J19/085—Electron beams only
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/361—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • C07C17/367—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms by depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/19—Acids containing three or more carbon atoms
    • C07C53/21—Acids containing three or more carbon atoms containing fluorine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/38—Acyl halides
    • C07C53/46—Acyl halides containing halogen outside the carbonyl halide group
    • C07C53/50—Acyl halides containing halogen outside the carbonyl halide group of acids containing three or more carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/10—Copolymer characterised by the proportions of the comonomers expressed as molar percentages
    • 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
FR7443074A 1970-02-20 1974-12-27 Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres Granted FR2295981A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
DD145764A DD112588A3 (fr) 1970-02-20 1970-02-20
DE19742456870 DE2456870A1 (de) 1970-02-20 1974-12-02 Verfahren und vorrichtung zum strahlenchemischen abbau von polymeren bis oligomeren
AT963674A AT345551B (de) 1970-02-20 1974-12-02 Verfahren und vorrichtung zum strahlenchemischen abbau von hochfluorierten polymeren bis oligomeren
CH1628274A CH617216A5 (en) 1970-02-20 1974-12-06 Process and apparatus for radiation-chemical degradation of polymers or oligomers
NL7416009A NL7416009A (nl) 1970-02-20 1974-12-09 Werkwijze en inrichting voor het door middel van bestraling chemisch ontleden van polymeren tot oligomeren.
GB53330/74A GB1496347A (en) 1970-02-20 1974-12-10 Decomposition and reaction of polymers and/or oligomers
BE151480A BE823325A (fr) 1970-02-20 1974-12-13 Procede et appareil pour la degradation radiochimique de polymeres ou oligomeres.
JP49144563A JPS5171388A (en) 1970-02-20 1974-12-18 Jugotainaishi origomaanokokagakutekibunkainohoho to sochi
LU71552A LU71552A1 (fr) 1970-02-20 1974-12-23
FR7443074A FR2295981A1 (fr) 1970-02-20 1974-12-27 Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres
US05/609,969 US4072591A (en) 1970-02-20 1975-09-03 Process for conversion of oligomers and higher polymers by irradiation with high-energy electrons

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DD145764A DD112588A3 (fr) 1970-02-20 1970-02-20
AT963674A AT345551B (de) 1970-02-20 1974-12-02 Verfahren und vorrichtung zum strahlenchemischen abbau von hochfluorierten polymeren bis oligomeren
CH1628274A CH617216A5 (en) 1970-02-20 1974-12-06 Process and apparatus for radiation-chemical degradation of polymers or oligomers
GB53330/74A GB1496347A (en) 1970-02-20 1974-12-10 Decomposition and reaction of polymers and/or oligomers
JP49144563A JPS5171388A (en) 1970-02-20 1974-12-18 Jugotainaishi origomaanokokagakutekibunkainohoho to sochi
FR7443074A FR2295981A1 (fr) 1970-02-20 1974-12-27 Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres
US05/609,969 US4072591A (en) 1970-02-20 1975-09-03 Process for conversion of oligomers and higher polymers by irradiation with high-energy electrons

Publications (2)

Publication Number Publication Date
FR2295981A1 true FR2295981A1 (fr) 1976-07-23
FR2295981B1 FR2295981B1 (fr) 1978-05-05

Family

ID=27560460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7443074A Granted FR2295981A1 (fr) 1970-02-20 1974-12-27 Procede et dispositif pour la degradation chimique par irradiation de polymeres et oligomeres

Country Status (11)

Country Link
US (1) US4072591A (fr)
JP (1) JPS5171388A (fr)
AT (1) AT345551B (fr)
BE (1) BE823325A (fr)
CH (1) CH617216A5 (fr)
DD (1) DD112588A3 (fr)
DE (1) DE2456870A1 (fr)
FR (1) FR2295981A1 (fr)
GB (1) GB1496347A (fr)
LU (1) LU71552A1 (fr)
NL (1) NL7416009A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692583A1 (fr) * 1992-05-29 1993-12-24 Mezza Michel Mise en application d'une réaction photochimique sur divers produits en polypropylène, copolymère ou homogène et polyéthylène haute ou basse densité.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3577094D1 (de) * 1984-01-16 1990-05-17 Du Pont Fertigbearbeitung von perfluorierten mischpolymerisatenim extruder.
PT81945B (pt) * 1985-01-31 1987-12-30 Himont Inc Processo para a fabricacao de polipropileno com ramificacoes de cadeia longa de extremidade livre
US4861408A (en) * 1987-04-08 1989-08-29 The United States Of America As Represented By The United States Department Of Energy Modification of polymeric surface for improved adhesion via electron beam exposure
DE4334015A1 (de) * 1993-10-06 1995-04-13 Hoechst Ag Verfahren zur Herstellung von fluorierten Monomeren
SK279397B6 (sk) * 1997-03-03 1998-11-04 Ivan Ma�Ar Spôsob termálnej a/alebo katalytickej dekompozície
ITTO20010372A1 (it) * 2001-04-13 2002-10-13 Silvio Perona Procedimento di depurazione e raffinazione di fluidi per mezzo di elettroni accelerati.
AU2003269802A1 (en) * 2002-03-14 2003-12-31 Shamrock Technologies, Inc. Methods for producing submicron polytetrafluoroethylene powder and products thereof
JP5260294B2 (ja) * 2005-09-30 2013-08-14 ライプニッツ−インスティチュート フュア ポリマーフォルシュング ドレスデン エーファウ ポリマを流動性の状態で電子放射線によって連続的に改質するための装置
DE102006041874B4 (de) * 2005-09-30 2014-06-18 Leibniz-Institut Für Polymerforschung Dresden E.V. Vorrichtung zur kontinuierlichen Modifizierung von Polymeren im fließfähigen Zustand mittels Elektronenstrahlung
EP1847555A1 (fr) 2006-04-18 2007-10-24 Borealis Technology Oy Polypropylène à ramifications multiples
DE102009002642A1 (de) * 2009-04-24 2010-10-28 Leibniz-Institut Für Polymerforschung Dresden E.V. Verfahren zur Herstellung thermoplastischer Polymercompounds
WO2021165923A1 (fr) * 2020-02-21 2021-08-26 3M Innovative Properties Company Recyclage valorisant de perfluoropolymères en oléfines fluorées

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544324A (fr) * 1955-01-11
NL210427A (fr) * 1955-09-06
US3833626A (en) * 1968-09-23 1974-09-03 Chem Nunchritz Veb Process for preparing perfluorinated mono-and dicarboxylic acids
US4029870A (en) * 1970-02-03 1977-06-14 Imperial Chemical Industries Limited Tetrafluoroethylene polymers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692583A1 (fr) * 1992-05-29 1993-12-24 Mezza Michel Mise en application d'une réaction photochimique sur divers produits en polypropylène, copolymère ou homogène et polyéthylène haute ou basse densité.

Also Published As

Publication number Publication date
ATA963674A (de) 1978-01-15
BE823325A (fr) 1975-06-13
AT345551B (de) 1978-09-25
GB1496347A (en) 1977-12-30
CH617216A5 (en) 1980-05-14
DE2456870A1 (de) 1976-06-10
LU71552A1 (fr) 1975-06-17
DD112588A3 (fr) 1975-04-20
US4072591A (en) 1978-02-07
JPS5171388A (en) 1976-06-21
FR2295981B1 (fr) 1978-05-05
NL7416009A (nl) 1976-06-11

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Legal Events

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