A History of Plastics
THINK!!!! Before you read this, take a moment, think of and observe the things made out of plastics around you. https://surfaceid.com/wpcontent/uploads/2016/12/plastics.jpg ASK!!!!! W hat are plastics and how did they come about? W hat materials were those things made out of 50-100 years ago? What triggered the change? Can I live comfortably today without plastics? ...Read on to know my thoughts on the matter... Plastics are a set of natural, synthetic, or semi-synthetic materials composed primarily of polymers. If synthetic, they are made out of raw materials from natural products like wood, salt, crude oil, wool, cellulose, or natural gas. FUN FACTS!!!! The first recorded mention of plastics was in 1284 (more than 800 years ago), with horn and turtle shell being the earliest natural plastics. In 1872, the Hyatt brothers invented the first plastic injection molding machine. Injection molding is a technique used for manufacturing parts by injecting molten material into a mol...