Science, Maths & Technology
Introduction to polymers
...research closely linked to development by industry. Box 1 Plastics in Victorian times The use of shellac as a moulding material was pioneered in the 1850s by Samuel Peck and Co. of the USA who added such refinements as the insertion of hinges during the moulding process. Metal inserts into thermoplastic mouldings are commonplace today. Casein made from skimmed milk was an...