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Gel properties in free radical crosslinking copolymerization: A kinetic approach

✍ Scribed by Oǧuz Okay

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
331 KB
Volume
3
Category
Article
ISSN
1022-1344

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✦ Synopsis

Abstract

A kinetic model is presented for prediction of the gel properties in free‐radical monovinyldivinyl monomer copolymerization. It is an extension of the kinetic model proposed recently for the sol species. The model involves the moment equations of the primary chains in the gel, and predicts the gel growth and structure as a function of the reaction time. Formulae for the chain length averages of the primary chains in the sol and in the gel were derived. The equations for calculating the number‐ and weight‐average primary chain lengths are identical to the equations derived by statistical methods.

📜 SIMILAR VOLUMES

Modeling of effective crosslinking densi
Modeling of effective crosslinking density of the gel in free-radical copolymerization of vinyl/divinyl monomers
✍ Yingwu Luo; Zhixue Weng; Zhiming Huang; Zuren Pan 📂 Article 📅 1997 🏛 John Wiley and Sons 🌐 English ⚖ 213 KB 👁 2 views

The concept of effective crosslinking density proposed by Scanlan is extended to heterogeneously crosslinking polymer. A kinetic-statistical model of effective crosslinking density of the gel is developed in free-radical heterogeneously crosslinking polymerization. The model is applied to the vinyl

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✍ Yingwu Luo; Zhixue Weng; Zhiming Huang; Zuren Pan 📂 Article 📅 1996 🏛 John Wiley and Sons 🌐 English ⚖ 529 KB

Republic of China ## SYNOPSIS A general model of the gel/sol partition in the free-radical copolymerization of vinyl/divinyl monomers was developed, combining the statistical and kinetic modeling. It is emphasized that properties of the primary chains born at some conversion are effected by their