Crosslinking of Poly(N-vinyl-2-pyrrolidone) in the Coating of Cotton Yarn

被引：7

作者：

Serafini Immich, Ana Paula ^{[1
]}

Hermes de Araujo, Pedro Henrique ^{[1
]}

Catalani, Luiz Henrique ^{[2
]}

Ulson de Souza, Antonio Augusto ^{[1
]}

Souza, Selene M. A. Guelli U. ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Dept Chem Engn, BR-88040900 Florianopolis, SC, Brazil

[2] Univ Sao Paulo, Inst Chem, BR-05508900 Sao Paulo, Brazil

来源：

POLYMER ENGINEERING AND SCIENCE | 2011年 / 51卷 / 03期

关键词：

m; FENTONS REAGENT; HYDROGELS; RADIATION;

D O I：

10.1002/pen.21845

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Coating of cotton yarn is employed in the textile industry to increase the mechanical resistance of the yarns and resistance to vibration, friction, impact, and elongation, which are some of the forces to which the yarn is subjected during the weaving process. The main objective of this study is to investigate the usage of a synthetic hydrophilic polymer, poly(N-vinyl-2-pyrrolidone) (PVP), to coat 100% cotton textile yarn, aiming to give the yarn a temporary mechanical resistance. For the improvement of the mechanical resistance of the yarn, the following crosslinking processes of PVP were investigated: UV-C (ultraviolet) radiation, the Fenton and photo-Fenton reactions, and sensitized UV-C radiation. The influence of each crosslinking process was determined through tensile testing of the coated yarns. The results indicated that the best crosslinking process employed was UV-C radiation; increasing the mechanical resistance of the yarn up to 44% if compared with the pure cotton yarn, that is, without polymeric coating and crosslinking. POLYM. ENG. SCI., 51:445-453, 2011. (C) 2010 Society of Plastics Engineers

引用

页码：445 / 453

页数：9

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