Polymers OCR Gateway

Polymers OCR Gateway

1. What is it?

   • Addition polymers are made from molecules containing C=C bonds. Polymers have different uses that depend on their properties. DNA, starch and proteins are biological polymers.

2. A polymer is a substance of high relative formula mass, made up of small repeating units.

3. Polyethylene is one of the most common polymeric materials found in plastic packaging, bottles and shopping bags. The uses of polyethylene are very different from another polymer, poly(vinyl chloride), which is commonly used for water pipes and is able to withstand large amounts of pressure