Pva polymer pdf

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A 10 , 1 Download references. Box , Riyadh, , Saudi Arabia. Box , Taif, , Saudi Arabia. You can also search for this author in PubMed Google Scholar. Correspondence to Mohamed Bakr Mohamed. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Reprints and Permissions.

Heiba, Z. Download citation. Received : 01 September Accepted : 20 November The reason for this change in the absorption frequency value of the hydroxyl group -OH is due to the complexes formation between the polymer PVA and the added NaI salt. Moreover, it can be noticed also the appearance of band at the wavenumber cm- 1 related to the bending vibration band of -CH2 and a band at the wavenumber cm- 1 assigned to the wagging vibration band of -CH2 of the pure PVA film.

Figure 1. Table 1. Figure 2. Table 2. It is clear that, after filling the pure PVA film with NaI salt, the stress-strain curve changes and we obtain curves with different characteristics depending on the weight ratio of the added filling material as shown in Fig.

Table 3 shows the values of tensile strength T. The maximum value of tensile strength and Young's modulus are The decrease in tensile properties values such as tensile strength, Young's modulus and elongation at break of PVA-NaI composite films at the some weight ratios of NaI salt compared with pure PVA film can be attributed to the weak interaction between molecules, and low interface adhesion between the composite components due to reduce in the tensile properties and fragility of the composite films [2].

Figure 3. Stress-strain curve of pure PVA film. Table 3. Figure 6. References [1] W. Li et al. Ravindra et al. Salman, N. Bakr, M. Luo et al. Singh, S. Kulkarin, Morphological and mechanical properties of polyvinyl alcohol doped with inorganic fillers, International Journal of Polymeric Materials and Polymeric Biomaterials. Saleh, S. DeMerlis, C. Review of the oral toxicity of polyvinyl alcohol PVA. Food Chem. Tan, S.

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Park, JC.