Addition Polymerisation
Compounds containing the C=C double bond can be polymerised. Polymers are large molecules formed from hundreds to thousands of repeat units. Alkenes undergo addition polymerisation to form long saturated high molecular mass chains with no double bonds.

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Key terms in this lesson
- addition
- A reaction in which a pi bond is broken and atoms or groups are added across it to form a saturated product, with no atoms lost.
More in Alkenes
- Stereoisomerism in Alkenes
- Reactions of Alkenes
- Hydrogenation
- Reaction with Halogens
- Reaction with Hydrogen Halides
- Reaction with Steam
- Oxidation of Alkenes to Diols
- Environmental Concerns
All 11 lessons in Alkenes · All OCR A-level Organic Chemistry topics