Thiol-acrylate michael addition
WebFeb 9, 2015 · This study introduces an unexplored method to synthesize and program liquid-crystalline elastomers (LCEs) based on a two-stage thiol–acrylate Michael addition and photopolymerization (TAMAP) reaction. This methodology can be used to program permanently-aligned monodomain samples capable of “hands-free” shape switch WebThis work describes a study into thiol–ene based Michael addition reactions. Different catalysts, primary and tertiary amines and phosphines, were investigated for the reaction …
Thiol-acrylate michael addition
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WebSep 21, 2024 · The aim of this article is to review the ways in which computational studies have shed light on the mechanisms of thiol Michael additions. We will focus on base … WebFeb 12, 2024 · The thiol–acrylate Michael addition (thiol–Michael in short) reaction starts with the formation of a thiolate anion, which could take place via two different …
WebSep 2, 2024 · An early study by Roydholm et al. described that varying the ratios of thiol- and acrylate-containing polymer precursors and reaction conditions could switch the main hydrogel crosslinking mechanism between the different modes, Michael-type addition, radical-initiated thiol-ene, or the mixed mechanism, resulting in hydrogels with adjustable ...
WebJul 25, 2024 · Two-stage thiol-acrylate Michael addition reactions have proven useful in programming main-chain liquid crystal elastomers (LCEs). However, the influence of excess acrylate concentration, which is critical to monodomain programming, has not previously been examined with respect to thermomechanical properties in these two-stage LCEs. WebNov 1, 2016 · Xi et al. [7] achieved a temporal control of the two stage thiol-Michael addition and photopolymerization using a mixture of thiol, acrylates and methacrylates. Thiol-methacrylate addition has a significantly lower reaction rate than thiol-acrylate addition, barely reacting with thiols in the first stage.
WebMay 1, 2006 · These remnant acrylate groups can facilitate conjugation of reduced capture antibodies via thiol-ene Michael addition reaction (Mather et al., 2006) (Figure 1A). The free thiol groups in the ...
WebSep 7, 2010 · Thiol-Michael pseudo click chemistry involves an addition of thiol group into a double bond of vinyl sulfone, acrylate or maleimide, resulting in thioester bond formation with or without the use ... me myself and i downloadWebDec 1, 2024 · To explore the role of photobleaching and thiol-Michael addition in thiol-acrylate photopolymerization, a network model was established based on combined … me myself and i photographyWebFeb 28, 2024 · An off-stoichiometric mixture of thiols and acrylates in excess firstly undergo a thiol-acrylate Michael addition, followed by homopolymerization of the remaining acrylates. The intermediate materials after the first stage are soft, easy to manipulate and reactively stable. After the second curing stage, which is triggered by UV irradiation ... me myself and i nightcoreWebOct 25, 2024 · Michael addition thiol-acrylate polymerization is an alternative feasible technique to chain growth polymerization, eliminating the use of cytotoxic radical … me myself and irene hank\u0027s goneWebJul 31, 2024 · Subsequently, eight ternary thiol–Michael systems composed of thiol–acrylate–vinyl sulfone and thiol 1-thiol 2-vinyl were analyzed based on the binary kinetic model parameters. It was clearly demonstrated that the kinetic parameters determined from the binary reactions enabled an accurate prediction of the relative … me myself and i picturesWebJul 31, 2012 · Detailed investigation on thiol-(meth)acrylate Michael addition reactions using various amine and phosphine based catalysts Polymer Chemistry 2010 High Fidelity vinyl terminated polymers by combining RAFT and cobalt catalytic chain transfer (CCT) polymerization methods Chemical Communication ... me myself and i parolesWebNational Center for Biotechnology Information me myself and irene breastfeeding reason