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Home  >  Journal list  >  Polymer Journal  >  Vol.28  No.9 (1996)  >  pp.758-760

Polymer Journal
<<Previous article Vol.28  No.9 (1996)   pp.758 - 760 Next article>>

Crosslinking Reaction Regarded as Coagulation I. Gelling Time of Expanded Flory-Stockmayer Model Determined Numerically

Takashi Fukutomi1) and Yoshitaka Koshiro1)
1) Department of Polymer Chemistry, Faculty of Engineering, Tokyo Institute of Technology

ABSTRACT:  Gelling time τg of the crosslinking in which the rate constants of inter cluster reactions between i-mer and j-mer is proportional to (ij)α(1⁄2<α≤1) are determined by numerical calculation. Linear relation between Mρ1⁄δ(ρ,α) (Mρ is the ρ-th moment of cluster size) and time τ, derived by theoretical considerations is adopted. It becomes clear that the linear relation between Mρ1⁄δ(ρ,α) and τ holds approximately not only for τ near τg but a rather wide range of τ.


Keyword:
Crosslinking Reaction/ Gelling Time/ Coagulation/ Cluster Size Distribution/ Numerical Calculation/ Asymptotic Solution

Published online: April 02, 2005
© Copyright, 2005 by The Society of Polymer Science, Japan

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