polymer processing

We live in the world of polymers. Hair, protein, sugars, cellulose, sand, stone, glass, plastic bowls, buckets, plastic bags - you will find polymer structures everywhere. Polymers resemble a thread. If we could look into the world of molecules, we would see long chains made up of thousands of interconnected and repeating elements, or monomers. Our hair is made of natural polymers, but it can also be made synthetically. This way we get all the plastics and some fabrics. Who has not heard of celluloid, silicones, bakelite, nylon or PVC, i.e. polyvinyl chloride, from which gramophone records and many others are made. - The first polymers were discovered by accident in cotton plantations in the 19th century. Someone poured nitric acid on the cotton and it formed nitrocellulose. It has been noticed that when the material is heated it starts to melt and that it can be formed into various shapes. So, operative entrepreneurs began to produce billiard balls from it. However, the great career o...

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