Class 12

It is a polymer of ethylene. Polyethylene is manufactured by heating pure ethylene at about 350-570 K under high pressure … Read more

Dacron or terylene is a polymer of ethylene glycol and terephthalic acid. Terylene is prepared by heating a mixture of … Read more

It is a condensation polymer and is obtained from phenol and formaldehyde in the presence of either an acid or … Read more

Natural rubber (or polyprene) is obtained by the polymerization of isoprene (2-methyl-1, 3-butadiene). n CH2 =C(CH3) -CH = CH2  ——->  … Read more

The synthetic rubber (neoprene) is obtained by the polymerization of chloroprene (2-chloro-1, 3-butadiene). n CH2 =C(Cl) -CH = CH2  ———->  … Read more

Nylon-2-Nylon-6 is an alternative polyamide copolymer of glycine and amino caproic acid and is biodegradable. Used: It is used 1) … Read more

Nylon-6,6 is prepared by the polymerization of monomers, hexamethylenediamine and adipic acid. n H2N-(CH2)6-NH2 + n HOOC-(CH2)4-COOH ——-> — [—NH-(CH2)6-NH-CO-(CH2)4-CO—]n … Read more

Nylon-6: Preparation: It has the monomer caprolactum which is obtained from cyclohexene. Caprolactum on heating with traces of water gives … Read more

Homopolymer: A polymer formed from one type of monomers is called homopolymer. For example, polythene is a homopolymer of monomer … Read more