Dynamic Crossover Scaling in Polymer Solutions
نویسندگان
چکیده
منابع مشابه
A Brownian Dynamics Study of Crossover Scaling in Semidilute Polymer Solutions
Understanding the dynamics of polymer solutions in the semidilute regime is important not only from the point of view of advancing fundamental knowledge in polymer science but also from the point of view of technological applications. The behavior of semidilute polymer solutions varies significantly with concentration and solvent quality, which are reflected in the concentration driven crossove...
متن کاملCorrections to scaling in multicomponent polymer solutions.
We calculate the correction-to-scaling exponent omegaT that characterizes the approach to the scaling limit in multicomponent polymer solutions. A direct Monte Carlo determination of omegaT in a system of interacting self-avoiding walks gives omegaT=0.415+/-0.020. A field-theory analysis based on five- and six-loop perturbative series leads to omegaT=0.41+/-0.04. We also verify the renormalizat...
متن کاملCorrelation length and amplitude scaling in critical polymer solutions
We present a light scattering measurement of the correlation length for a series of critical solutions of polystyrene in methylcyclohexane with different molecular weights. Our results show that the correlation length j;Nne, where N is the polymerization index and e5(T2Tc)/Tc is the reduced temperature. The N exponent zn is found to be 0.1860.02, which is contrary to most earlier direct experim...
متن کاملScaling of Nanoparticle Retardation in Semi-dilute Polymer Solutions
We analyze the scaling law for the polymer-induced retardation a nanoparticle experiences as it moves through a semi-dilute polymer solution. The translational friction is calculated from a modified Stokes flow using a local viscosity near the nanosphere. The results rationalize a general retardation factor, R = exp(Kac) [T. Odijk, Biophys. J. 79 (2000) 2314], revealing scaling exponents μ = 0....
متن کاملScaling approach to dilferential swelling of polymer solutions and gels
The failure of the classical theories for swollen polymer networks was clearly demonstrated by recent differential swelling experiments of Gee, Eichinger and McKenna. We introduce a weaker form of the additivity assumption based on the separation of the gel into "solid"-like and "liquid"-like components. Using simple scaling arguments and the
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2012
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.109.088302