Answer :

(i) Nylon 6,6 is a polyamide, a polymer derived from the condensation reaction of monomers containing terminal Carboxylic acid(-COOH) and amine (-NH2) groups.



(ii) Glyptal is formed using phthalic anhydride and glycerol monomer. The addition of this hydroxyl group allows for extensive branching during polymerization.



(iii) Buna-S has monomers as styrene and 1,3-butadiene. It is a synthetic rubber formed by co-polymerisation of these two monomers.



OR


(i) This is a homopolymer formed by a propene monomer because in this polymerisation only one monomer is being used without losing any molecule.


(ii) Monomers of melamine formaldehyde is melamine and formaldehyde



(iii) Sulfur is used in vulcanisation to produce cross-links between two polymer chains to produce more tensile strength, elasticity and resistance to abrasion.


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