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1. a) How are Polymers classified?
b) Define polymerization. Differentiate addition and condensation polymerization.
2. a) Explain the free radical mechanism of addition polymerization taking ethylene as a monomer.
b) Give the synthesis and applications of Teflon.
3. a)Differentiate between thermoplastics and thermosetting plastics.
b)What is glass transition temperature?Discuss the following factors affecting GTT
i) Flexibility ii) Intermolecular forces.
4. a) Explain the manufacture and applications of the following high polymers:
i)Polymethylmethacrylates (plexi glass) ii) polyurethanes.
b) What are elastomers? Mention the advantages of synthetic rubber over natural rubber.
5. a) What are the deficiencies of natural rubber? What is vulcanization of rubber.
b) Explain the manufacture of Silicone rubber. Mention their applications.
Question:1 (a) A flowchart of a continuous steady state two-unit separation process is shown below (Figure 1.1). Each stream contains two components, x and y, in different prop
Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other con
Explain the different types of polarization mechanisms in dielectrics. There are essentially four basic kinds of polarization mechanisms: Interface polarization: Electron
If the atmosphere had a constant temperature of 20C and constant density, how high would the air extend above sea level? Would Mt. Everest, and 10km in elevation, protrude beyond
alfred werner coordination number
Is a density bottle the sane as a pycnometer?
relevance of surveying and geoinformatics to chemical engineering
a) The vacuum in the headspace of a can of food is normally formed by "hot fill" exhausting - that is, the cans are closed when the can is filled with product at a temperature of 8
i need to make a small report on natural polymer
The various types of polarization processes are: a) Electronic polarization b) Ionic Polarization c) Orientation Polarization, and d) Space charge Polarization
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