نتایج جستجو برای: solventless
تعداد نتایج: 202 فیلتر نتایج به سال:
Photoembossing is a powerful photolithographic technique to prepare surface relief structures relying on polymerization-induced diffusion in solventless development step. Conveniently, patterns are formed by two or more interfering laser beams without the need for lithographic mask. The use of nanosecond pulsed light-based interference lithography strengthens pattern resolution through absence ...
We introduce herein the advanced application of low-pressure plasma procedures for development piezo and triboelectric mode I hybrid nanogenerators. Thus, assisted deposition functionalization methods are presented as key enabling technologies nanoscale design ZnO polycrystalline shells, formation conducting metallic cores in [email protected] nanowires, solventless surface modification polymer...
Formic acid (FA) possesses a high volumetric concentration of H2 (53 g L−1). Moreover, it can be easily prepared, stored, and transported. Therefore, FA stands out as potential liquid organic hydrogen carrier (LOHC), which allows storage transportation in safe way. The dehydrogenation to produce CO2 competes with its dehydration give CO H2O. For this reason, research on selective catalytic has ...
Grafting polymerization was a valuable method for the modification of the chemical and physical properties of polymer surfaces. In this paper, the grafting of cationic vinyl monomer with quaternary ammonium groups, methacryloxyethyltrimethyl ammonium chloride (DMC), onto the isotactic polypropylene (iPP) granule was performed by suspension solid-state grafting process. The techniqu...
Catalytic efficacy of metal-based catalysts can be significantly enhanced by doping graphene or its derivatives in the catalytic protocol. In continuation previous work regarding properties highly-reduced oxide (HRG), graphene-oxide (GO) doped mixed metal oxide-based nanocomposites, herein we report a simple, straightforward and solventless mechanochemical preparation N-doped (NDG)/mixed nanoco...
A one-step, simple and straightforward synthesis of the title amides from the corresponding carboxylic acids, urea and imidazole under microwave irradiation is described.
The possibility to use glycerol carbonate (GlyC) as an innovative alkylating agent for phenolic compounds in solventless conditions and the presence of a catalytic amount both homogeneous heterogeneous bases is herein described. In particular, peculiar, polyfunctional structure GlyC allows one obtain formation not only mono-phenoxy-1,2-propanediol (MPP) analogue but also 1,3-diphenoxy-2-propano...
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