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 ... 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...
Addition polymers - Polymers - GCSE Chemistry (Single ... - BBC Bitesize
WebPolymers - Materials - KS3 Chemistry - BBC Bitesize - BBC Bitesize Home Support Careers KS3 Polymers Part of Chemistry Materials Key Points Polymers are very long chain molecules made... 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 ... html background opacity but not text
Polymers test questions - OCR Gateway - BBC Bitesize
WebMost polymers are manufactured and are designed by chemical engineers. Most are made using non-renewable crude oil. Difficulties around disposal mean there is a drive to … WebPolymerisation is the process in which many small monomer units combine to form one large polymer molecule. The alkenes ethene and propene are two important feedstocks in the petrochemical ... 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 ... html background music code