Tin(IV) Compounds as Photo-Stabilizers for Irradiated Surfaces of Poly(Vinyl Chloride) Films

被引：2

作者：

Mohammed, Alaa ^{[1
]}

Kadhom, Mohammed ^{[2
]}

Yousif, Emad ^{[3
]}

机构：

[1] Al Nisour Univ Coll, Dept Anesthesiol Tech, Baghdad 10012, Iraq

[2] Alkarkh Univ Sci, Coll Renewable Energy & Environm Sci, Dept Environm Sci, Baghdad 10081, Iraq

[3] Al Nahrain Univ, Coll Sci, Dept Chem, Baghdad 64021, Iraq

来源：

SURFACES | 2021年 / 4卷 / 04期

关键词：

PVC; UV irradiation; organotin complexes; photostability; polymeric films; PHOTOOXIDATION; DEGRADATION; COMPLEXES; PVC; STABILIZATION;

D O I：

10.3390/surfaces4040023

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Dimethyl-organotin(IV) valsartan (Me2SnL2) and dichlorostannanediyl valsartan (SnL2Cl2) complexes were synthesized, characterized, and applied as Poly(vinyl chloride) (PVC) photo-stabilizers. The complexes were loaded within the PVC films in a weight ratio of 0.5%, and the modified films were irradiated to a UV light of 313 nm wavelength for 300 h at room temperature. The efficiency of the complexes-filled films was compared with the plain one and evaluated before and after irradiation by Fourier transform infrared spectroscopy, weight loss, gel content, change in viscosity, atomic force microscopy, and field emission scanning electron microscopy. The SnL2Cl2 complex had higher activity than the Me2SnL2 complex to retard the PVC's photodegradation by several mechanisms.

引用

页码：279 / 292

页数：14

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