The Effect of Nanoclay, PP and PP-g-MA Type on Dyeing Properties of PP/clay Nanocomposite with Various Dyes: A Way to Investigate the Dyeability Mechanism

Journal: Vol.10, No.2, Spring 2017 - Article 2   Pages :  73 Until 84

Article Code:

M.M. Salehi: Research Institute Petroleum Industry - Polymer and Science Technology Division
M. Ataeefard: Institute for Color Science and Technology - Department of Printing Science and Technology
S. Moradian: Center of Excellence for Color Science and Technology,Institute for Color Science and Technology - Faculty of Polymer and Color Engineering,Amirkabir University of Technology

Article's abstract:

Polypropylenes loaded with different alkyl ammonium-modified montmorillonite are prepared to utilize a melt-mixing technique in various ways. Two types of polypropylene and compatibilizer are incorporated to improve the dispersion of various types of nanoclay and the dyeing behavior of the nanocomposites with various disperses, so acid and basic dyes were studied. For the first time, the aim of this study was to investigate the effect of operational and material parameters in dyeing behavior and color buildup of producing nanocomposite due to better understanding of the dyeability mechanism of PP/nanoclay composite. The extent of exfoliation and dispersion of the nanoclay in PP was analyzed by XRD and TEM analytical techniques and the dyeability was studied through color build up and spectrophotometric measurement. The results showed that the mixing condition had not any significant effect on dyeability and lower the molecular weight of polypropylenes and that the compatibilizer causes better dyeability. The most intercalated nanocomposite also showed better dyeability and within various types of dye, disperses dye showed better dyeability. All things considered, it is appeared that between the two mechanisms suggested for dyeing improvement in the PP/nanoclay composite, the dominant mechanism is creating the path.

Dyeability, Polypropylene, Nanocomposite, Nanoclay.

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