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Polyvinylcarbazole (PVK) is a temperature-resistant [2] thermoplastic polymer produced by radical polymerization from the monomer N-vinylcarbazole. It is a photoconductive polymer and thus the basis for photorefractive polymers and organic light-emitting diodes .
Upon exposure to γ-irradiation, N-vinylcarbazole undergoes solid-state polymerisation. [ 5 ] It is produced by the vinylation of carbazole with acetylene in the presence of base.
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Polish media said the composite material found near Poznan resembled a Falcon 9 fuel tank. Researchers warned in a study published last month said that space debris plummeting back to Earth could ...
Monomers for living cationic polymerization are electron-rich alkenes such as vinyl ethers, isobutylene, styrene, and N-vinylcarbazole. The initiators are binary systems consisting of an electrophile and a Lewis acid. The method was developed around 1980 with contributions from Higashimura, Sawamoto and Kennedy.
Cal Yee Farms' recall of some of its products last month has been increased to the highest risk level by the U.S. Food and Drug Administration (FDA) for three of its chocolate offerings.