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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.
Casting is a manufacturing method by which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then permitted to solidify. T
write a notes on priming and foaming
I need help in developing a program in matlab that can simulate a reactive distillation column. I have all the required model equations needed for the simulation. pls contact me as
Your favorite professor likes mountain climbing, so there is always a possibility that the professor may fall into a crevasse in some glacier. If that happened today, and the profe
The various common conducting materials used are: 1) Copper 2) Aluminium 3) Tungsten
Bakelite is a material based on the thermosetting phenol formaldehyde resin. Produced by the reaction under heat and pressure of phenol (a toxic, colourless crystalline solid) and
What are properties of an ideal electrical insulating material? The properties of an ideal (electrical) insulating material are given below:- (i) Low dielectric court (high
numericals based on kohlrausch law
Atmospheric carbon dioxide is thought to be responsible for global warming. The table below contains data about the amount of Atmospheric CO 2 (in ppm) over the last fifty year
Finish the molecular species balance problem I started in class, i.e. find the composition of the product gas.
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