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Which process limits the polymerisation rate during emulsion polymerisation?

A)Free radical capture by micelles
B)Monomer depletion in aqueous phase
C)Surfactant aggregation number
D)Particle size monodispersity

💡 Explanation

Radical entry into a micelle containing polymer leads to rapid termination because termination rate is high in small volumes; therefore, radical capture limits polymerisation, rather than monomer depletion which would limit propagation rate under starved feed conditions.

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