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A-level Chemistry/OCR (Salters)/Open-Book Paper/Stereochemistry in poly(propene)
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The three structural forms of poly(alkenes)
Isotactic
Isotactic polymers have all their R-groups pointing in the same direction.
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Syndiotactic
Syndiotactic polymers have their R-groups pointing in alternating directions.
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Atactic
Atactic polymers have no regularity in the direction of their R-groups.
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