DD112588A3 - - Google Patents
Info
- Publication number
- DD112588A3 DD112588A3 DD145764A DD14576470A DD112588A3 DD 112588 A3 DD112588 A3 DD 112588A3 DD 145764 A DD145764 A DD 145764A DD 14576470 A DD14576470 A DD 14576470A DD 112588 A3 DD112588 A3 DD 112588A3
- Authority
- DD
- German Democratic Republic
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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD145764A DD112588A3 (it) | 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 (it) | 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 (it) | 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 (1)
| Publication Number | Publication Date |
|---|---|
| DD112588A3 true DD112588A3 (it) | 1975-04-20 |
Family
ID=27560460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD145764A DD112588A3 (it) | 1970-02-20 | 1970-02-20 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4072591A (it) |
| JP (1) | JPS5171388A (it) |
| AT (1) | AT345551B (it) |
| BE (1) | BE823325A (it) |
| CH (1) | CH617216A5 (it) |
| DD (1) | DD112588A3 (it) |
| DE (1) | DE2456870A1 (it) |
| FR (1) | FR2295981A1 (it) |
| GB (1) | GB1496347A (it) |
| LU (1) | LU71552A1 (it) |
| NL (1) | NL7416009A (it) |
Families Citing this family (13)
| 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 |
| 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. |
| 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 (en) | 2006-04-18 | 2007-10-24 | Borealis Technology Oy | Multi-branched Polypropylene |
| DE102009002642A1 (de) * | 2009-04-24 | 2010-10-28 | Leibniz-Institut Für Polymerforschung Dresden E.V. | Verfahren zur Herstellung thermoplastischer Polymercompounds |
| US11795126B2 (en) | 2020-02-21 | 2023-10-24 | 3M Innovative Properties Company | Upcycling perfluoropolymers into fluorinated olefins |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE544324A (it) * | 1955-01-11 | |||
| BE550820A (it) * | 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 |
-
1970
- 1970-02-20 DD DD145764A patent/DD112588A3/xx unknown
-
1974
- 1974-12-02 DE DE19742456870 patent/DE2456870A1/de not_active Withdrawn
- 1974-12-02 AT AT963674A patent/AT345551B/de not_active IP Right Cessation
- 1974-12-06 CH CH1628274A patent/CH617216A5/de not_active IP Right Cessation
- 1974-12-09 NL NL7416009A patent/NL7416009A/xx not_active Application Discontinuation
- 1974-12-10 GB GB53330/74A patent/GB1496347A/en not_active Expired
- 1974-12-13 BE BE151480A patent/BE823325A/xx unknown
- 1974-12-18 JP JP49144563A patent/JPS5171388A/ja active Pending
- 1974-12-23 LU LU71552A patent/LU71552A1/xx unknown
- 1974-12-27 FR FR7443074A patent/FR2295981A1/fr active Granted
-
1975
- 1975-09-03 US US05/609,969 patent/US4072591A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATA963674A (de) | 1978-01-15 |
| BE823325A (fr) | 1975-06-13 |
| AT345551B (de) | 1978-09-25 |
| DE2456870A1 (de) | 1976-06-10 |
| JPS5171388A (en) | 1976-06-21 |
| FR2295981B1 (it) | 1978-05-05 |
| GB1496347A (en) | 1977-12-30 |
| NL7416009A (nl) | 1976-06-11 |
| FR2295981A1 (fr) | 1976-07-23 |
| US4072591A (en) | 1978-02-07 |
| LU71552A1 (it) | 1975-06-17 |
| CH617216A5 (en) | 1980-05-14 |