Analyzing the synthesis route of 19481-82-4

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Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 2-Bromopropanenitrile, is researched, Molecular C3H4BrN, CAS is 19481-82-4, about Determination of Gel Point during Atom Transfer Radical Copolymerization with Cross-Linker.Safety of 2-Bromopropanenitrile.

Atom transfer radical polymerization (ATRP) of Me acrylate (MA) and ethylene glycol diacrylate (EGDA) provided a series of poly(MA-co-EGDA) branched and cross-linked copolymers using various initial molar ratios of cross-linker to initiator. In agreement with the Flory-Stockmayer theory, the gelation occurred when the concentration of reacted pendant vinyl groups was larger than that of primary chains. This critical point depends on the initiation efficiency and the reactivity of vinyl groups in both cross-linker and monomer. The exptl. gelation point occurred when both the mol. weight and the weight fraction of branched polymers among the total sols (fbranch) reached the maximum, as determined by GPC measurement of the sols at different conversions. The kinetic study based on exptl. results and Predici simulation demonstrated that all acrylate groups had a similar reactivity. In all reactions, the gel points theor. predicted by Predici simulation, based on the conversions of MA and EGDA (convMA,gel and convEGDA,gel), were only slightly lower than the exptl. results. These results indicate that the gels synthesized by ATRP have a more homogeneous structure and contain a smaller amount of cyclization products in contrast to gels synthesized by conventional free radical polymerization

Here is just a brief introduction to this compound(19481-82-4)Safety of 2-Bromopropanenitrile, more information about the compound(2-Bromopropanenitrile) is in the article, you can click the link below.

Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI