Poly(vinyl chloride) derivatives as stabilizers against photodegradation

被引：14

作者：

Yousif, Emad ^{[1
]}

Ahmed, Ahmed ^{[2
]}

Abood, Rana ^{[1
]}

Jaber, Nasreen ^{[1
]}

Noaman, Riyadh ^{[3
]}

Yusop, Rahimi ^{[4
]}

机构：

[1] AL Nahrain Univ, Dept Chem, Coll Sci, Baghdad, Iraq

[2] Al Mustansiryah Univ, Coll Sci, Polymer Res Unit, Baghdad, Iraq

[3] Minist Ind & Minerals, Commiss Res & Ind Dev, Chem & Petrochem Res Ctr, Baghdad, Iraq

[4] Univ Kebangsaan Malaysia, Sch Chem Sci & Food Technol, Fac Sci & Technol, Bangi 43600, Selangor, Malaysia

来源：

JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE | 2015年 / 9卷 / 02期

关键词：

Photochemistry; Poly(vinyl chloride); UV-vis spectroscopy; Photostabilizer;

D O I：

10.1016/j.jtusci.2014.10.003

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The photo-stabilization of polymers derived from poly(vinyl chloride) (PVC) films was investigated. The PVC and modified PVC films were produced by the casting method from tetrahydrofuran (THF) solvent. The photostabilization activities of these compounds were determined by monitoring the carbonyl, polyene and hydroxyl indices with irradiation time. The changes in viscosity average molecular weight of PVC with irradiation time were also tracked (using THF as a solvent). The quantum yield of the chain scission (Phi(cs)) of these complexes in PVC films was evaluated and found to range between 4.79 x 10(-8) and 7.50 x 10(-8). Results obtained showed that the rate of photo stabilization of PVC in the presence of the additive followed the trend: P1>P2>P3>P4>P5 (C) 2014 Taibah University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/3.0/).

引用

页码：203 / 212

页数：10

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