Esterification of Polypropylene Fiber and its Adsorption of Phthalate Esters

Author:

Wang Hai Tao1,Wei Jun Fu2,Zhang Huan1,Zhao Kong Yin2,Mu Li Juan1,Wang Miao1,Zheng Jian1

Affiliation:

1. Tianjin Polytechinic University

2. Tianjin Polytechnic University

Abstract

In this work, an acrylic-polypropylene grafting copolymer (PP-g-AA) was prepared by 60Co γ-rays irradiation grafting with acrylic acid (AA) onto polypropylene (PP) fiber. The esterification PP-g-AA fiber (PP-g-COOR) was prepared by the esterification of PP-g-AA with C8 alcohol via SOCl2 as the intermediate. The PP-g-COOR fiber was utilized to adsorb and enrich trace dibutyl phthalate (DBP) in water. The results indicated that PP-g-COOR fiber exhibited a good adsorption property of DBP. The adsorption property of PP-g-COOR fiber was greatly enlarged 25 times than the PP-g-AA. The distribution coefficient of DBP on PP-g-COOR fiber depended on the pH values of aqueous phase and the initial concentration of DBP. In general, the PP-g-COOR fiber was better for the adsorption and enrichment of DBP.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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