"Physical aging in polymer glasses." Science, 267, 1945-1947 (1995).Hodge IM. Physical aging in polymer glasses. Science 1995;267(5206): 1945.Hodge, I. M. (1995). Physical aging in polymer glasses. Science, 267, 1945.Hodge, I. M. Physical aging in polymer glasses. Science 1995, ...
The generalization of a multiordering parameter model to treat physical aging in polymeric glasses is more fully explored. In the past, this model has successfully rationalized most aspects of time dependent volume and enthalpy behavior; however, only qualitative agreement between predictions of the gen...
Increasing concentration of cross-linked agents in polymer samples to 11.2 mol.% is accompanied with degeneration of high-temperature component of relaxation, and complete relaxation of plastic deformation proceeds via low-temperature component. The effect of cross-linking on temperature-induced relaxation...
Finally, the effects of physical aging on mechanical properties are reviewed, highlighting especially those areas which remain controversial.John M. HutchinsonProgress in Polymer ScienceHutchinson JM. Physical aging of polymers. Prog Polym Sci 1995;20:703-60....
For various polymer glasses, the temperature-induced recovery of residual deformation was studied. The ratio between the low-temperature and high-temperature recovery components is controlled by the difference between deformation temperature and glass transition temperature Tg of polymer samples independently ...
Physical agingSorptionMembranesPolymers below their glass transition temperature (Tg) are non-equilibrium glasses because excess free volume "frozen" between kinetically-restricted polymer chains slowly relaxes over time towards equilibrium via local, segmental chain motion. This process, known as physical ...
Interaction between physical aging, deformation, and segmental mobility in poly(methyl methacrylate) glasses -methyl methacrylate glasses," Journal of Chemical Physics, vol. 133, 2010. [ L. Struik, "The Mechanical Behavior and Physical Ageing of Semicrystalline... Lee, Hau-Nan,MD Ediger - 《...
Non-equilibrium glasses, including polymer glasses, spontaneously tend to approach the equilibrium state. The time-dependent phenomena occurring in glassy polymers below the glass transition are commonly referred to as physical aging. Since the physical aging results primarily in a volume relaxation (or...
plasticization of glassy polymers involves the effect of a plasticizing agent on the local free volume in the certain structural sublevels, the resultant changes in the microscopic molecular and segmental mobility, and the corresponding modification of the macroscopic mechanical behavior of polymer ...
Reversible chirality inversion of an AuAgx-cysteine coordination polymer by pH change Reactive chiral systems have attracted much attention in biology, optoelectronics, and photonics; however, a comprehensive understanding of these systems remains incomplete. Here the authors show the reversible chirality of...