3 years ago

Hyperbranched Polymers Formed Through Self‐Condensing Vinyl Polymerization in a Continuous Stirred‐Tank Reactor (CSTR): 1. Molecular Weight Distribution

Hidetaka Tobita


A new Monte Carlo simulation algorithm, based on the random sampling technique, is proposed for the self‐condensing vinyl polymerization conducted in a continuous stirred‐tank reactor. In order to highlight the most fundamental aspects of the reaction system, the kinetic rate constants are assumed to be constant, and the size and structure dependence is neglected. With this ideal model, the high molecular weight (MW) tail of the weight fraction distribution W(P) is shown to follow the power law, W(P) ∝ P −α. The power exponent is represented by α = 1/(ηξ) for ξ  < 1/(2η), where ξ and η are defined in the text. For ξ  1/(2η), the weight‐average MW cannot reach the steady state because of the power exponent with α ≤ 2.

Publisher URL: https://onlinelibrary.wiley.com/doi/abs/10.1002/mats.201800027

DOI: 10.1002/mats.201800027

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