Chemistry is traditionally divided into organic and inorganic chemistry. SDS of cas: 52409-22-0, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 52409-22-0
A light-mediated metal-free atom transfer radical chain transfer reaction for the controlled hydrogenation of poly(vinylidene fluoride-chlorotrifluoroethylene)
A light-mediated metal-free atom transfer radical chain transfer reaction (ATRCT) strategy is proposed for the controlled hydrogenation of poly(vinylidene fluoride-chlorotrifluoroethylene) (P(VDF-CTFE)) in present work. In this process, C-Cl bonds on CTFE units in P(VDF-CTFE) are firstly activated by the photoexcited catalyst under light. The subsequent chain transfer reaction of the generated macro-radicals to either polar solvents or chain transfer reagents could finely convert part or all the CTFE units into trifluoroethylenes (TrFEs) depending on the loading concentration of the chain transfer reagents and the reaction time. The hydrogenation reaction could be conducted under mild conditions and shows excellent controllable characteristics, which offers a facile, efficient, economic, and metal-free approach to synthesize P(VDF-TrFE) or P(VDF-TrFE-CTFE) from P(VDF-CTFE). In particular, this process could completely avoid issues associated with the residue of the metal ions in the target product, which have been recognized as the major resource of dielectric loss in the polymers utilized under high electric field.
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Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method