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

Production of bioethanol from lignocellulosic biomass , what are the conver...

what are the conversion rates of the different components in hemicellulose to simpler sugars(e.g xylan to xylose)

#esterification, what do i do to eliminate odor from cowdung?

what do i do to eliminate odor from cowdung?

Different types of polarization mechanisms in dielectrics, Explain the diff...

Explain the different types of polarization mechanisms in dielectrics. There are essentially four basic kinds of polarization mechanisms: Interface polarization: Electron

Process Principles, Before it can be fed to the gasification reactor, coal ...

Before it can be fed to the gasification reactor, coal must be ground to meet specifications on particle size. The grinding is accompanied by the generation of coal dust that can r

Problems of flooding and channeling and mass transfer, 1. Mass transfer coe...

1. Mass transfer coefficients can be of either local or overall type. a. Explain carefully what the local and overall mass transfer coefficients represent. b. How does the co

Refractory, application of neutral refractory

application of neutral refractory

Material balance, Ask questAmmonia is a gas for which reliable analytical m...

Ask questAmmonia is a gas for which reliable analytical methods are available to determine its concentration in other gases. To measure flow in a natural gas pipeline, pure ammonia

Water treatment, Ask question #haMinimum 100 words accepted#Okkkk Hardness ...

Ask question #haMinimum 100 words accepted#Okkkk Hardness of bore well water is less than sea water. Justify

iron-carbon alloy , It is desired to generate an iron-carbon alloy that ha...

It is desired to generate an iron-carbon alloy that has a minimum hardness of 200 HB and a minimum ductility of 35%RA. Is such an alloy possible? If so, what will be its compositio

Distribution Coefficient, theory behind the distribution of benzoic acid be...

theory behind the distribution of benzoic acid between water and benzene

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