2009
DOI: 10.1016/j.microrel.2009.03.006
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Experimental investigations and model study of moisture behaviors in polymeric materials

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Cited by 153 publications
(81 citation statements)
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References 29 publications
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“…The curve presented in Figure 4 is similar to the curve obtained by other authors who have studied water absorption kinetics in natural materials [4,16,26,27,34,37]. It was noticed that the water absorption kinetics of the pith of Raffia vinifera takes place in two phases: the first phase rapidly takes place and enables reaching approximately 50% of the mass at saturation.…”
Section: Kinetics Of Watersupporting
confidence: 84%
See 1 more Smart Citation
“…The curve presented in Figure 4 is similar to the curve obtained by other authors who have studied water absorption kinetics in natural materials [4,16,26,27,34,37]. It was noticed that the water absorption kinetics of the pith of Raffia vinifera takes place in two phases: the first phase rapidly takes place and enables reaching approximately 50% of the mass at saturation.…”
Section: Kinetics Of Watersupporting
confidence: 84%
“…To simplify the resolution of (2), it is supposed that the diffusion coefficient is independent of the space direction [33,34]. This hypothesis enables us to write (2) in the following form:…”
Section: Mass Diffusion Theory Through Solidmentioning
confidence: 99%
“…As time progresses, however, the experimental curves start to deviate from the Fick's model, revealing non-Fickian behavior. The transition from Fickian behavior to non-Fickian diffusion is quite subtle: the moisture absorption curves remain continuous without any observable jumps in moisture content, which is different from some of the results reported in the literature [28,47]. Two-stage moisture diffusion behavior has been reported in the literature for various materials [28,47].…”
Section: Non-fickian Diffusion Under High Relative Humiditycontrasting
confidence: 77%
“…However, there are many results reported in the literature showing that at higher temperature-humidity level over long exposure time, moisture diffusion in many epoxy molding compounds exhibit twostage diffusion behavior, and the saturated moisture content may not be repeatable nor reversible, but depends on its prior temperature-humidity exposure history [20,28,46,47]. For example, at IBM showed that moisture absorption-desorption behavior in a epoxy-glass material did not have reversibility but depend on the exposure history [46]: one sample was saturated at 85°C 80% RH first, followed by exposure at 65°C 30% RH; while a second sample was first saturated at 65°C 30% RH, followed by saturation at 85°C 80% RH.…”
Section: Environmental Exposure-induced Increase In C Satmentioning
confidence: 99%
“…Fan [9] discussed two mechanisms of absorption. The first being due to the absorption of water molecules in the free or nano-cavities and the second consists on the formation of a hydrogen bond with the water molecule and the polymer chains due to their molecular polarity.…”
Section: -2mentioning
confidence: 99%