نتایج جستجو برای: solventless
تعداد نتایج: 202 فیلتر نتایج به سال:
Several widely used techniques for the fabrication of three dimensional (3D) scaffolds utilize the particulate leaching method to achieve a porous structure. This method involves the selective leaching of a mineral or an organic compound to generate pores. However, scaffolds prepared by this technique tend to exhibit limited interconnectivity. Therefore, to enhance the interconnectivity of the ...
Micronized powders are of interest in many industrial fields; pharmaceuticals, catalysts, pigments, and biopolymers, for example, are some categories of products that can be used as micro-sized particles. Traditional techniques used to produce micronic powders are based on high-temperature reactions that require high energies, on jet milling that is characterized by low efficiencies and mechani...
The global interest on microwave assisted chemistry (MAC) is due to the important benefits for sustainable growth of green chemical industries and environmentally friendly progress society. MAC has been firstly developed using oven-type microwaves (MWs) reactors, which requires difficult expensive industrial scale-up. In 2002, development coaxial dipole antenna allowed a direct application MWs ...
Objectives: Removing organic solvents in chemical synthesis is important in the drive towards benign chemical technologies. Organic solvents are high on the list of toxic compounds due to the problems in containing volatile compounds and the sheer large volume of them used in industry. Some advantages of utilizing solventless reactions are that the compounds are often sufficiently pure to avoid...
Biodiesel is nowadays added in 5–10% v/v to diesel, and its production involves the parallel creation of a vast glycerol amount as by-product. Despite many applications, there surplus (Gly) that has boosted search for new applications this compound, now transformed into an industrial synthesis intermediate or platform chemical. Its transcarbonation type reaction occurs under mild conditions, us...
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