Electronic Resource
College Park, Md.
:
American Institute of Physics (AIP)
The Journal of Chemical Physics
90 (1989), S. 1281-1284
ISSN:
1089-7690
Source:
AIP Digital Archive
Topics:
Physics
,
Chemistry and Pharmacology
Notes:
The correlation function presented by Debye et al. for characterizing the random two-phase structure in solids is further extended by considering an effect of partial ordering to describe the statistical features in phase separation structures of polymer blends. The new correlation function is in the form γ(r)=exp(−r/a0 )cos(q0 r) with two parameters. The scattering intensity distribution calculated from this function can predict a maximum whose sharpness and position are characterized by a0 and q0 . Good agreement was achieved between the calculated intensity and measured small-angle light scattering curve from phase-separated poly(methyl methacrylate)/poly(vinyl acetate) blends.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.456133
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