by admin | Jun 6, 2015 | sem1
Preparation of Nylon 66 The polyamide Nylon 66 is formed by heating the reactant mixture under pressure and the process has been developed so that the molecular mass of the polymer is controlled in the range of 12,000 to 20,000 amu. Nylon-6 is prepared from the...
by admin | Jun 6, 2015 | sem1
Tacticity Tacticity is the relative stereochemistry of adjacent chiral centers within a macromolecule. The practical significance of tacticity rests on the effects on the physical properties of the polymer. The regularity of the macromolecular structure influences the...
by admin | Jun 6, 2015 | sem1
Properties of Nanoparticles Nanoparticles are important scientific tools that have been and are being explored in various biotechnological, pharmacological and pure technological uses. They are a link between bulk materials and atomic or molecular structures. While...
by admin | Jun 6, 2015 | sem1
Electrodeposition Electroplating is a process that uses electric current to reduce dissolved metal cations so that they form a coherent metal coating on an electrode. The term is also used for electrical oxidation of anions onto a solid substrate, as in the formation...
by admin | Jun 6, 2015 | sem1
Hydrothermal Hydrothermal synthesis includes the various techniques of crystallizing substances from high-temperature aqueous solutions at high vapor pressures; also termed “hydrothermal method”. The term “hydrothermal” is of geologic...
by admin | Jun 6, 2015 | sem1
Thermolysis Thermal decomposition, or thermolysis, is a chemical decomposition caused by heat. The decomposition temperature of a substance is the temperature at which the substance chemically decomposes. The reaction is usually endothermic as heat is required to...
