New Invention Profile
| Publication No: | IN202411002023 [India] | Application No: | IN202411002023 |
| Title: | Process of depolymerization and upcycling of polyolefins to value-added products | ||
| Publication Date: | 25-07-2025 | File Date: | 10-01-2024 |
| Inventor(s): | Nagaraju Barsu; Samir Huzur Chikkali; Ganeshdev Padhi; Kishor Vilas Khopade; Nageswararao Moyilla | ||
| IPC Classification: | B01J31/22, C07C67/333, C07C69/54, C07F15/00, C08F4/80, C08G61/08 | ||
| Abstract: | The present invention provides a process of ruthenium-catalyzed dehydrogenation of the polyolefin followed by tandem isomerization and cross-metathesis to synthesize the linear alkyl benzene and dodecene derivatives. The dehydrogenation of polyethylene using ruthenium catalysis derived up to 3.38%, of double bonds; with 90% of the recovered polyolefin material. The recovered unsaturated polyethylene was further subjected for isomerization and cross-metathesis for the synthesis of dodecene as the major products and linear alkyl benzene derivatives selectively in a tandem manner. The developed strategy demonstrates the approach for the successful upgradation of polyolefin waste. |
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CSIR-National Chemical Laboratory[CSIR-NCL]
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: director[at]ncl[dot]res[dot]in
:91-20- 25902600, 25902028
:http://www.ncl-india.org/
Industrial Applications
Catalysts [Chemistry, Chemical Processes]
Chemistry, Chemical Processes Polymers [Chemistry, Chemical Processes]
Recycling [Environmental (Clean Tech)]