Glyptal or alkyl resin is a polymer of:
Which of the following monomers form biodegradable polymers?
(a) 3-hydroxybutanoic acid + 3-hydroxypentanoic acid
(b) Glycine + amino caproic acid
(c) Ethylene glycol + phthalic acid
(d) Caprolactum
Glyptal polymer is obtained from the reaction between ethylene glycol and:
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