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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 20, Number 12
BKCSDE 20(12)
December 20, 1999 

Dynamics of Interdiffusion at Interface between Partially Miscible Polymers
Woon Chun Kim, Hyungsuk Pak
We have studied the behavior of interdiffusion between partially miscible polymer pair from a theoretical viewpoint by applying the reptation model for collective interdiffusion and spinodal decomposition in polymer mixtures with different molecular weights. We find that our predictions agree well with the experiments of Klein and co-workers, where the exponent α of the initial increase of interfacial width with time in t α is significantly lower than 0.5 for free diffusion.
1479 - 1482
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