by admin | Jun 4, 2015 | sem1
Terminology of Thermodynamics The important parts of the study of thermodynamics are a few terms and definitions, which must be understood clearly, and these are as follows: 1. System, boundary and surroundings: A thermodynamic system may be defined as any specified...
by admin | Jun 4, 2015 | sem1
Techniques of polymerization Bulk polymerization Bulk polymerization or mass polymerization is carried out by adding a soluble initiator to a pure monomer in liquid state. The initiator should dissolve in the monomer. The reaction is initiated by heating or exposure...
by admin | Jun 4, 2015 | sem1
Epoxy Resin Epoxy is the cured end product of epoxy resins, as well as a colloquial name for the epoxide functional group. Epoxy is also a common name for a type of strong adhesive used for sticking things together and covering surfaces, typically two resins that need...
by admin | Jun 4, 2015 | sem1
Suspension Polymerization Suspension polymerization is used only in free radical type processes. The monomer is mechanically dispersed in a media, usually water. There are cases where an organic media is used in which neither the polymer nor the monomer are soluble in...
by admin | Jun 4, 2015 | sem1
Solution Polymerization Solution polymerization is a method of industrial polymerization. In this procedure, a monomer is dissolved in a non-reactive solvent that contains a catalyst. The reaction results in a polymer which is also soluble in the chosen solvent. Heat...
by admin | Jun 4, 2015 | sem1
Emulsion polymerization Emulsion polymerization is a type of radical polymerization that usually starts with an emulsion incorporating water,monomer, and surfactant. The most common type of emulsion polymerization is an oil-in-water emulsion, in which droplets of...
