Thermal Degradation of Ternary Blend Films Containing PVA/Chitosan/Vanillin

被引：4
|
作者：
Kasai, Deepak [1 ]
Chougale, Ravindra [2 ]
Masti, Saraswati [3 ]
Narasgoudar, Shivayogi [3 ]
机构：
[1] Mangalore Univ, Dept Mat Sci, Mangalagangothri 574199, Karnataka, India
[2] Karnatak Univ, PG Dept Studies Chem, Dharwad 580003, Karnataka, India
[3] Karnatak Sci Coll, Dept Chem, Dharwad 580001, Karnataka, India
来源：
2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC-2017) | 2018年 / 1953卷
关键词：
Chitosan; PVA; vanillin and thermogavimetry;
D O I：
10.1063/1.5032561
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The ternary chitosan/poly (vinyl alcohol)/vanillin blend films were prepared by solution casting method. The influence of equal weight percent of poly (vinyl alcohol) and vanillin on thermal stability of the chitosan blend films were investigated by using thermogravimetric analysis (TGA). The kinetic parameters such as enthalpy (Delta H*), entropy (Delta S*), and Gibbs free energy (Delta G*) in the first and second decomposition steps based on the thermogravimetric data were calculated. The thermal stabilities of the blend films were confirmed by thermodynamic parameters obtained in the activation energies, which indicated that increase in the equal weight percent of PVA/vanillin decreased the thermal stability of the chitosan film.
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页数：4
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