WebPolymer uses - Polymers - GCSE Chemistry (Single Science) Revision - Edexcel - BBC Bitesize GCSE Edexcel Polymers Addition polymers are made from molecules containing C=C bonds.... WebPolymer-based products are increasingly a part of everyday life, used in many products, from pens to parts for racing cars. Most polymers. are obtained from crude oil. often found deep within the Earth’s crust. and Russia, Saudi Arabia and USA are the major oil suppliers. It is accessed by drilling, which can be a costly and messy process.
Polymers - OCR - GCSE Design and Technology Revision
WebPolymers. Materials are chosen based on factors including working properties, aesthetics, environmental impact, function, manufacturing processes etc. It is important to choose a material fit for purpose. Part of. Design and Technology. Materials. Revise. Video. Test. Webpolymer. The glass fibres make the material strong, the polymer makes it lightweight. These properties make it useful for making these kayaks which have to float and could be bumped by rocks... high school summer school programs online
Addition polymers - Alkanes, alkenes and plastics - BBC Bitesize
WebLearn about and revise polymers with this BBC Bitesize GCSE Chemistry (Edexcel) study guide. Homepage. ... Addition polymers are made from molecules containing C=C bonds. Polymers have different ... WebSurface finishes. Some polymers that are formed in a mould are self-finishing, meaning that the inside surface of the mould is so smooth that the form that is taken from it is also smooth. A motorbike helmet is a good example - the outside of the helmet is smooth because of the mould it was made in. Once a polymer has been cut or shaped from ... WebMost polymers are formed by processing crude oil. Rubber is a plastic that is found naturally. Acrylic (PMMA) - used for car lights, visors and baths Hard, brittle, shiny, available in a wide ... how many countries currently make up nato