HIGH POLYMER Preparation, properties and uses of nylon Nylon is a generic designation for a family of synthetic polymers known generically as polyamides, first produced on February 28, 1935, by Wallace Carothers at DuPont’s research facility at the
POLYMERS polymers are the substances which are made up of repeating structural units which are derived from specific compounds known as monomers. HIGH POLYMERS The polymers having molecular weight greater than 10000 composed of repeating units of small
CARBONIZATION CARBONIZATION AT A GLANCE Carbonization is the term which means destructive distillation of coal which is done in the absence air in order to obtain coke and other fractions having greater percentage of carbon than the original material.
SUPERPOSITION THEOREM This theorem finds use in solving a network where two or more sources are present and connected not in series or in parallel. Statement of superposition theorem If a number of voltage or current sources are acting simultaneously in a
Cracking mechanism of higher hydrocarbons (Fuel & Combustion). Cracking is the name given to breaking up large hydrocarbon molecules into smaller and more useful bits. This is achieved by using high pressures and temperatures without a catalyst, or lower
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