Plastic Injection Molding: Past, Present and Future

 Plastic injection molding is a process that forces liquid plastic into a mold to make custom plastic nameplates, plaques, signs and product branding elements. Once the plastic cools and solidifies, it releases from the mold to form a variety of plastic parts for any industry. Popular uses of injection-molded include appliance nameplates, nameplates for industrial equipment, car emblems, vehicle branding, and license plate holders, as well as product identification for recreational products.

The injection-molded plastic process allows manufacturers to produce custom plastic nameplates and components that would be too costly to make as intricately by utilizing traditional machining methods. Injection-molded plastics also save time and money by allowing many pieces of the same component to be made at the same time, from the same mold; each copy identical to the one before it. This process also reduces labor costs by minimizing the need for manual labor from employees. There is also nearly no wasted material, as any unused or leftover plastic can be recycled to be reused in the process
So began his career in plastics engineering as he and his brother Isaiah started making several mixtures for checkers and other objects. After some time trying various mixtures, John mixed nitrocellulose, camphor, and alcohol together. He pressed these ingredients into a circular steel mold that was heated and allowed it to cool. When the material was removed from the mold, he realized that he had successfully created a billiard ball composed of plastic. Thus began the process of plastic injection molding.
To further the processes of plastic injection molding another great inventor came into plastics actively in New York after traveling from Belgium on a fellowship. Leo Hendrick Baekeland began working with polymers and this lead to his invention for Kodak Eastman which was Velox. Velox is a photographic paper that could be developed in gaslight instead of sunlight.

As a chemist, he made several developments in this field also going on to investigate how polymers were molecularly structured. These investigations lead to many inventions and discoveries beyond what chemists had discovered thus far about coatings and adhesives.

Many more creative inventors have come through the process of plastic injection molding in history and it has come through an even finer process for production in today's products such as appliances and nameplates, signs, and plaques.





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