PL398868A1 - Sposób katalitycznej depolimeryzacji silikonów - Google Patents
Sposób katalitycznej depolimeryzacji silikonówInfo
- Publication number
- PL398868A1 PL398868A1 PL39886812A PL39886812A PL398868A1 PL 398868 A1 PL398868 A1 PL 398868A1 PL 39886812 A PL39886812 A PL 39886812A PL 39886812 A PL39886812 A PL 39886812A PL 398868 A1 PL398868 A1 PL 398868A1
- Authority
- PL
- Poland
- Prior art keywords
- depolymerization
- carried out
- cross
- low
- products
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 229920001296 polysiloxane Polymers 0.000 title abstract 3
- 230000003197 catalytic effect Effects 0.000 title 1
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 abstract 3
- 239000004215 Carbon black (E152) Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000009835 boiling Methods 0.000 abstract 2
- -1 cyclic siloxane Chemical class 0.000 abstract 2
- 229930195733 hydrocarbon Natural products 0.000 abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000003421 catalytic decomposition reaction Methods 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000012691 depolymerization reaction Methods 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 abstract 1
- 239000000806 elastomer Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 150000004679 hydroxides Chemical class 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 230000000269 nucleophilic effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000011347 resin Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229940024463 silicone emollient and protective product Drugs 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Silicon Polymers (AREA)
Abstract
Sposób depolimeryzacji odpadowych produktów silikonowych, metoda katalitycznego rozkladu, polega na tym, ze reakcje depolimeryzacji prowadzi sie w zawiesinie w ukladzie rozpuszczalników woda -niskowrzacy weglowodór, alkohol (ROH, R=Me,Et) - niskowrzacy weglowodór, korzystnie wobec czynników nukleofilowych, wybranych z grupy imidazol, N,N-dimetylopirydyna oraz ich pochodne. Zasadowymi katalizatorami sa wodorotlenki -MOH, gdzie M = Na, K, Cs. Proces prowadzi sie w autoklawie posiadajacym efektywny magnetyczny uklad mieszania. Produktami depolimeryzacji, prowadzonej w temperaturze 100-200°C sa cykliczne monomery siloksanowe o wzorze 3. Stosowane materialy silikonowe korzystnie sa wybrane z grupy obejmujacej oleje, zywice oraz polimery napelniane (SiO2, Al2O3), a takze usieciowane elastomery. Depolimeryzacja polisiloksanów napelnionych i usieciowanych umozliwia regeneracje napelniaczy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL398868A PL227967B1 (pl) | 2012-04-18 | 2012-04-18 | Sposób katalitycznej depolimeryzacji silikonów |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL398868A PL227967B1 (pl) | 2012-04-18 | 2012-04-18 | Sposób katalitycznej depolimeryzacji silikonów |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL398868A1 true PL398868A1 (pl) | 2013-10-28 |
| PL227967B1 PL227967B1 (pl) | 2018-02-28 |
Family
ID=49449254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL398868A PL227967B1 (pl) | 2012-04-18 | 2012-04-18 | Sposób katalitycznej depolimeryzacji silikonów |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL227967B1 (pl) |
-
2012
- 2012-04-18 PL PL398868A patent/PL227967B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL227967B1 (pl) | 2018-02-28 |
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