2 vinylpyridine is an organic compound with the formula ch 2 chc 5 h 4 n.
Hexyl vinyl pyridine.
It is a colorless liquid although impure samples are often brown.
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A synthetic route to potentially biocidal silsesquioxanes functionalized by quaternary pyridinium functionalities has been developed.
N alkylation reactions of the precursor compounds 4 2 trimethoxysilyl ethyl pyridine 5 and 4 2 trichloro silylethyl pyridine 6 with iodomethane n hexylbromide and n hexadecylbromide cleanly afforded the corresponding i n i alkylpyridinium.
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The use of dmf trimethylamine and pyridine in 8 1 1 volume composition avoids adsorption of polymer on the sec column.
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2 vinylpyridine 2vp is a water soluble pyridine derivative that can be used in the synthesis of poly 2 vinylpyridine p2vp by anionic polymerization.
It is a monomeric precursor to specialty polymers.
The liquid may polymerize upon contact with peroxides and.
336 block copolymerization with tbma using living p4vp lithium or potassium proceeds in a controlled manner in thf with pyridine and hmpt containing solvents at 78 and 0 c respectively resulting in p4vp block ptbma.
It is a derivative of pyridine with a vinyl group in the 4 position.
Vinyl pyridine stabilized contains additives to prevent unwanted rapid polymerization.
May nevertheless polymerize exothermically if subjected to heat for prolonged periods or if contaminated.
It can be industrially prepared by treatment of 2 methylpyridine with an aqueous solution of formaldehyde in a temperature range of 150 200 c.
It is a derivative of pyridine with a vinyl group in the 2 position next to the nitrogen.
It is used industrially as a precursor to specialty polymers and as an intermediate in the chemical pharmaceutical dye and photo industries.
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4 vinylpyridine is prepared by the condensation of 4 methylpyridine and formaldehyde.
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2 hexyl pyridine pyridine 2 hexyl supplier sponsors.
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