Reference of 3030-47-5, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.3030-47-5, Name is N1-(2-(Dimethylamino)ethyl)-N1,N2,N2-trimethylethane-1,2-diamine, molecular formula is C9H23N3. In a Article£¬once mentioned of 3030-47-5
Synthesis of cellulosic graft copolymers by atom transfer radical polymerization
Atom transfer radical polymerization (ATRP) of styrene and methyl methacrylate (MMA) was carried out using chloroacetyl cellulose and cellulose acetate (CA) as an initiator in glyme. ATRP was also done using 2-chloropropionyl cellulose and CA. The cellulosic graft copolymers were prepared through the activation of initiators by the metal complex consisted of CuBr and pentamethyldiethylenetriamine (PMDATA). Increase in the degree of substitution (DS) of chloroacyl groups led to increase in grafting ratio. Grafting efficiency was over 80% with both monomers. 2-chloropropionyl cellulose and CA revealed higher reactivity than chloroacetyl derivatives nevertheless their much lower DS of 2-chloropropionyl groups. Though styrene was not polymerized below 100C by any initiators used, it became feasible to be polymerized at 80C by mixing with MMA which was easily polymerized at this temperature. Copolymers of styrene and MMA was grafted in this case. CA-graft-PMMA copolymers having grafting ratio over 80% were dissolved in acetone and dimethyl sulfoxide.
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Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI