Characterization of ligno-cellulosic materials bleached with oxo-diperoxo-molybdates

被引：2
|
作者：
Sirghie, Cecilia [1 ]
Bodescu, Adina-Maria [2 ]
Botar, Alexandru [1 ]
Cavaco-Paulo, Artur [3 ]
Munteanu, Florentina-Daniela [2 ]
机构：
[1] Aurel Vlaicu Univ Arad, Res Dev Innovat Nat & Tech Sci Inst, Arad 310330, Romania
[2] Aurel Vlaicu Univ Arad, Fac Food Engn Tourism & Environm Protect, Arad 310330, Romania
[3] Univ Minho, Ctr Biol Engn, IBB, P-4710057 Braga, Portugal
来源：
CARBOHYDRATE POLYMERS | 2013年 / 98卷 / 01期
关键词：
Linen-cotton fabric; Oxo-diperoxo molybdates; Cyclic voltammetry; Whiteness index; Thermal analysis; FT-IR analysis; COTTON; ULTRASOUND; COMPLEXES;
D O I：
10.1016/j.carbpol.2013.06.021
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A newly effective system was used to bleach ligno-cellulosic textile materials. This system is based on two different newly synthesized natrium oxo-diperoxo molybdates, Na-2[MoO(O-2)(2)(C2O4)] and Na-2[MoO (O-2)(2)(C6H6O7)]. These two compounds were characterized by means of cyclic voltammetry, and the bleached fabrics were fully characterized by measuring their whiteness index, percent loss in fabric weight and the content of lignin in the fabric. The obtained results revealed that good whiteness index of the bleached linen-cotton fabrics (50% linen and 50% cotton) and low content of lignin could be obtained by soaking the fabric for 55 min at 90 degrees C in a solution containing 3.5% of molybdate complex and 3.5% H2O2. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：490 / 494
页数：5
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