Natural and synthetic polymers
Polymers · Chemistry
Study notes
Classify: silk, nylon-6,6, cellulose, bakelite, DNA. Step 1: Silk: natural protein fibre (silkworm) → NATURAL. Step 2: Nylon-6,6: lab-made polyamide → SYNTHETIC. Step 3: Cellulose: plant polysaccharide → NATURAL. Step 4: Bakelite: phenol-formaldehyde → SYNTHETIC. DNA: natural biopolymer. Origin decides!