JPS5238525B1 - - Google Patents
Info
- Publication number
- JPS5238525B1 JPS5238525B1 JP47010620A JP1062072A JPS5238525B1 JP S5238525 B1 JPS5238525 B1 JP S5238525B1 JP 47010620 A JP47010620 A JP 47010620A JP 1062072 A JP1062072 A JP 1062072A JP S5238525 B1 JPS5238525 B1 JP S5238525B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00111963A US3832411A (en) | 1971-02-02 | 1971-02-02 | Method for the depolymerization of polytetrafluoroethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5238525B1 true JPS5238525B1 (en) | 1977-09-29 |
Family
ID=22341390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47010620A Pending JPS5238525B1 (en) | 1971-02-02 | 1972-01-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3832411A (en) |
| JP (1) | JPS5238525B1 (en) |
| DE (1) | DE2204141B2 (en) |
| FR (1) | FR2124212B1 (en) |
| GB (1) | GB1361341A (en) |
| IT (1) | IT948929B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128589A (en) * | 1977-06-22 | 1978-12-05 | Hughes Aircraft Company | Generation of CF4 from Teflon for reactive atmosphere processing and growth of metal fluorides |
| DE4334015A1 (en) * | 1993-10-06 | 1995-04-13 | Hoechst Ag | Process for the preparation of fluorinated monomers |
| RU2082709C1 (en) * | 1994-05-19 | 1997-06-27 | Научно-внедренческая фирма "Поликом, Инк" | Method and installation for producing monomer via pyrolytic decomposition of corresponding polymer |
| ATE384032T1 (en) * | 2002-03-01 | 2008-02-15 | Daikin Ind Ltd | METHOD FOR PRODUCING FLUORMONOMERS |
| US6919015B2 (en) * | 2002-12-16 | 2005-07-19 | 3M Innovative Properties Company | Process for manufacturing fluoroolefins |
| GB0817873D0 (en) * | 2008-10-01 | 2008-11-05 | 3M Innovative Properties Co | Process of making fluoroelefins by thermal decomposition of fluorinated materials |
| RU2469056C1 (en) * | 2011-06-16 | 2012-12-10 | Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Method of producing composite material based on polytetrafluoroethylene and silicon dioxide |
| RU2497846C1 (en) * | 2012-04-24 | 2013-11-10 | Федеральное государственное бюджетное учреждение науки Байкальский институт природопользования Сибирского отделения Российской академии наук (БИП СО РАН) | Method of recycling polytetrafluoroethylene wastes |
| RU2656488C1 (en) * | 2017-05-03 | 2018-06-05 | Общество с ограниченной ответственностью "Малое инновационное предприятие "Байкальский научный центр прочности" | Method of recycling polytetrafluoroethylene wastes |
| EP4081498A1 (en) | 2019-12-23 | 2022-11-02 | 3M Innovative Properties Company | Process of making fluoroolefins by thermal decomposition of fluorinated ionomers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2394581A (en) * | 1943-10-04 | 1946-02-12 | Kinetic Chemicals Inc | Pyrolysis of tetrafluoroethylene polymer |
| US2406153A (en) * | 1944-06-23 | 1946-08-20 | Du Pont | Depolymerization of polymeric tetrafluoroethylene |
| DE1003700B (en) * | 1954-07-30 | 1957-03-07 | Hoechst Ag | Process for the production of low molecular weight chlorofluorocarbons with a liquid or waxy consistency |
| NL129846C (en) * | 1962-01-24 | |||
| GB1041592A (en) * | 1962-02-21 | 1966-09-07 | Daikin Ind Ltd | Apparatus for the pyrolysis of chlorodifluoromethane |
-
1971
- 1971-02-02 US US00111963A patent/US3832411A/en not_active Expired - Lifetime
- 1971-08-02 FR FR7128299A patent/FR2124212B1/fr not_active Expired
-
1972
- 1972-01-06 GB GB61872A patent/GB1361341A/en not_active Expired
- 1972-01-25 IT IT67211/72A patent/IT948929B/en active
- 1972-01-28 DE DE2204141A patent/DE2204141B2/en active Pending
- 1972-01-31 JP JP47010620A patent/JPS5238525B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2204141A1 (en) | 1972-08-17 |
| GB1361341A (en) | 1974-07-24 |
| DE2204141B2 (en) | 1974-05-30 |
| IT948929B (en) | 1973-06-11 |
| FR2124212B1 (en) | 1973-11-23 |
| FR2124212A1 (en) | 1972-09-22 |
| US3832411A (en) | 1974-08-27 |