Effect of gelatin on the solubility and diffusivity of normal pentane in the poly (vinyl alcohol)/Gelatin blends

被引：2
作者：
Azimi, Hamidreza [1 ]
机构：
[1] Azarbaijan Shahid Madani Univ, Dept Chem Engn, Tabriz 5375171379, Iran
来源：
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS | 2023年 / 36卷 / 08期
基金：
美国国家科学基金会;
关键词：
Poly vinyl alcohol; gelatin; n-pentane; solubility; diffusivity; SUPERCRITICAL CO2; POLYSTYRENE; N-2; PERMEABILITY; TEMPERATURE; MORPHOLOGY; BEHAVIOR; AGENTS; FOAM;
D O I：
10.1177/08927057221123491
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In this work, we investigated the effect of Gelatin on the solubility and diffusivity of normal pentane in poly (vinyl alcohol) (PVA)/Gelatin (Gel) blends. The processibility of PVA was enhanced after adding the gelatin as plasticizer to PVA which gelatin could extend the process widow of PVA with destroying the hydrogen bonding of the polymer matrix. Therefore, the PVA/Gel blends with different concentrations were prepared by simple solution-casting method. The intermolecular suitable interactions in PVA/Gel blends were confirmed using the FTIR, XRD and SEM/EDX analyzes. In the following, the effect of various factors like temperature, pressure and gelatin content on the thermodynamic parameters like specific free volume, solubility and diffusivity was investigated. It was shown that there was a relationship between the specific free volume of the blends with the solubility and diffusivity of normal pentane in blends. The specific free volume of blends was determined by applying the PVT data and the Sanchez-Lacombe (SL) equation of state, in which it was enhanced with increasing of the temperature and gelatin in blends, respectively. Also, the solubility and diffusivity of normal pentane in samples were determined by the magnetic suspension balance (MSB) system. The results presented that the solubility and diffusivity of n-pentane improved with increasing of gelatin content in blend, pressure and temperature decrement, respectively.
引用
收藏
页码：3195 / 3208
页数：14
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