Terylene is a polyester of:
Hexamethylene diamine and adipic acid
Vinyl chloride and formaldehyde
Melamine and formaldehyde
Ethylene glycol and terephthalic acid
Match the polymers given in Column I with their commercial names given in Column II.
Column IColumn IIA.Polyester of glycol and phthalic acid1.NovolacB.Copolymer of 1,3−butadiene and styrene2.GlyptalC.Phenol and formaldehyde resin3.Buna−SD.Polyester of glycol and terephthalic acid4.Buna−NE.Copolymer of 1,3−butadiene and acrylonitrile5.Dacron
How is dacron obtained from ethylene glycol and terephthalic acid?