Hamper 发表于 2025-3-26 22:57:35
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https://doi.org/10.1007/978-3-031-40938-7y photon correlation spectroscopy. They are attributed to the .′- and .-relaxations and they exhibit similar power law decays. All three processes are analysed in terms of recent mode coupling theories. The scaling relations inherent in the mode coupling approach are tested by determining the relevant exponents directly from the spectra.相同 发表于 2025-3-27 15:22:14
P. Sriyutha Murthy,V. Pandiyan,Arindam Dashe broad temperature range from 273 to 373 K. Two distinct primary relaxation processes associated with the PS-like and PMPS-like segmental dynamics can be resolved by PCS and DS techniques. The corresponding distributions of relaxation times exhibit a broad shape with temperature-dependent breadths.种族被根除 发表于 2025-3-27 17:48:22
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Computer simulation of the glass transition of polymer melts,laxation time diverges as exp (const/..) in .=2 and as exp in .=3. For .=3 the self-diffusion constant also follows the Vogel-Fulcher law, with ..=250 K for chain lengths .=20 and potentials adapted to bisphenol-A-polycarbonate .LEVER 发表于 2025-3-28 05:26:55
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Segmental relaxation in a symmetric poly(styrene-b-methylphenylsiloxane),he broad temperature range from 273 to 373 K. Two distinct primary relaxation processes associated with the PS-like and PMPS-like segmental dynamics can be resolved by PCS and DS techniques. The corresponding distributions of relaxation times exhibit a broad shape with temperature-dependent breadths.