Electrophilic trisubstituted ethylene monomers, dialkoxy ring-substituted methyl 2-cyano-3-phenyl-2-propenoates, RC 6 H 3 CH5 5C(CN)CO 2 CH 3 , (where R is 2,3-, 2,4-, 2,5-, 3,4-, 3,5-dimethoxy, and 3-ethoxy-4-methoxy), were synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and methyl cyanoacetate, and characterized by CHN elemental analysis, IR, 1 H-and 13 C-NMR. Novel copolymers of the ethylenes and styrene were prepared at equimolar monomer feed composition by solution copolymerization in the presence of a radical initiator (AIBN) at 708C. The composition of the copolymers was calculated from nitrogen analysis, and the structures were analyzed by IR, 1 H-and 13 C-NMR, GPC, DSC, and TGA. High T g of the copolymers in comparison with that of polystyrene indicates a substantial decrease in chain mobility of the copolymer due to the high dipolar character of the trisubstituted ethylene monomer unit. The gravimetric analysis indicated that the copolymers decompose in the 272-4008C range.
A nurse executive mentoring program was implemented through the Veterans Health Administration Office of Nursing Service to standardize orientation and increase retention rates in this vital healthcare role. The Veterans Health Administration system has 154 nurse executives throughout the United States with 74% eligible for retirement. This mentoring program is intended to support the integration of new appointees into the nurse executive role. The program has produced a written resource to support effective functioning in the role. The program includes a leader skills self-assessment to evaluate the leadership style and assist with senior leadership team integration.
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