How are polymers classified, Chemical Engineering

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.

 

 

Posted Date: 4/2/2013 2:37:04 AM | Location : United States







Related Discussions:- How are polymers classified, Assignment Help, Ask Question on How are polymers classified, Get Answer, Expert's Help, How are polymers classified Discussions

Write discussion on How are polymers classified
Your posts are moderated
Related Questions
Experimental data for these fluids is included in the Homework folder.  Calculate the error, at a given T and V, for each method as follows: Ε = P EOS -P exp / P exp ×100%

Ask question #Minimum 100 words accepted.hardness of bore water is less than that of sea water-justify

Advantages and disadvantage of solid fuels

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

A large tower is to be supported by a series of steel wires; it is estimated that the load on every wire will be 13,300 N (3000 lbf). Verify the minimum needed wire diameter, assum

reaction of dry cells?

In what important respect does the conductivity of a conductor differ from that of an intrinsic Semiconductor.           It is well known that the conductivity of a conductor i

Formulas for determining temporary and permanent hardness

Thermal spelling: The breaking or cracking or peeling off the refractory is known as spelling. A good refractory must show a good resistance to thermal spelling. Thermal spelling

Compute the kerosene/water ratio necessary to remove 90 % of the nicotine from the aqueous stream in a single equilibrium stage.