How are polymers classified, Chemical Engineering

Assignment Help:

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.

 

 


Related Discussions:- How are polymers classified

The hardness of quenched martensite, The hardness of quenched Martensite is...

The hardness of quenched Martensite is First enhances and then remains almost constant as the carbon percentage enhances.

Chemical bonding, Why protons doesn''t react which each other?

Why protons doesn''t react which each other?

Polymers, merits and demerits of free radical

merits and demerits of free radical

Estimate the hourly emissions - source emission factors, A contaminated soi...

A contaminated soil contains 100 mg metals/kg soil (all metals are readily condensable), 50,000 mg S/kg soil, 1,000 mg F/kg soil, 980 mg/Kg of VOCs and 40,000 mg Cl/kg soil and is

Cloud and pour point of lubricant, Q.   Write short notes on cloud and pour...

Q.   Write short notes on cloud and pour point of lubricant. Ans. Cloud and pour point of lubricant: When the temperature is lowered up to a particular point, the oil becomes

The spontaneous polarization vanishes, In a ferroelectric material, the spo...

In a ferroelectric material, the spontaneous polarization vanishes above Curie temperature.

Electron configuration, What is wrong with each of the following attempts t...

What is wrong with each of the following attempts to write an electron configuration? Justify your answer with suitable explanation. (a) 1s22s3 (b) 1s22s22p23s2 (c) 1s22s23s2 (d) 1

Explain epitaxial growth, Explain Epitaxial Growth Epitaxial Growth ...

Explain Epitaxial Growth Epitaxial Growth - Refers to the growing of a crystal using one more crystal as the substrate, like that the atomic arrangement is continuous across

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd