Q. 195.0( 1 Vote )

Write the s

Answer :

(a) The monomers of Buna- S are styrene and 1,3- Butadiene.



(b) The monomers of Glyptal are Ethylene glycol and Phthalic acid.



(c) The monomer of Nylon-6 is caprolactum.



OR


(a) Polyvinyl chloride is thermoplastic polymer, Neoprene is an elastomer and Terylene is a fibre. The intermolecular forces are strongest in fibres then in plastics and weakest in elastomers. Thus, polymers in increasing order of intermolecular forces are arranged as follows-


Neoprene < Polyvinyl Chloride < Terylene


(b)


(i) Example of Natural Polymer is Rubber. Natural rubber may be considered as a linear polymer of isoprene (2-methyl-1, 3-butadiene) and is also called as cis - 1, 4 polyisoprene.



(ii) Example of Thermosetting polymer is Bakelite.



(c) Nylon 6,6 is a condensation polymer of adipic acid and hexamethylene diamine and both of these contains 6 carbon atoms. Thus, its name is Nylon 6,6.


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