Effect of Colloidal Dispersion of Clay on Some Properties of Wool Fiber

Abstract

This work was carried out to characterize the changes induced on wool fiber by clay treatment. Technical measurements were studied including Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), thermal degradation analysis (TGA), scanning electron microscopy (SEM), moisture regain measurement (MRM), and tensile strength test (TST). The intensity of major peaks in FTIR spectra of the clay treated sample is in favor of chemical changes of the polypeptide functional groups. DSC results indicated that clay treatment of wool enhances heat and thermal barrier properties of fiber. TGA results stated lower thermal degradation of clay treated wool compared with untreated one. One of the main advantages of clay application on wool could be its positive effect on the moisture absorption of wool.

An innovative approach to the preparation of coloured and multifunctional silk material with the natural extracts from chestnut shell and black rice bran

“…The band at 1047 cm À1 is due to aromatic skeletal vibrations (C=C), and the band at 868 cm À1 is assigned to C-H bending vibration in the benzene ring. These results demonstrated the presence of benzene rings and hydroxyl groups of ellagic acid in the chestnut shell extract according to previous reports [11,[30][31][32]. Similar results are also observed in the FTIR spectrum of the black rice bran extract.…”

A robust method for producing electromagnetic shielding cellulose via iron oxide pillared clay coating under ultraviolet irradiation

“…Our group has recently demonstrated that Fe-PILC is able to reduce the high reflective index of silica and aluminum in total clay particles throughout the spectral range of 400-700 nm. 9,13,14 This reduction becomes stronger at 520 nm. The reflective curves of cotton also decrease as the surface roughness increases due to the aggregation of nanoparticles.…”

Green composites: A review of processing technologies and recent applications

“…Comparison between some mechanical properties of natural and synthetic fiber. [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30] Fiber Density (g/cm 3 The bio-based matrix plays a parallel role as of the polymer matrix which helps to transfer applied shear load to fibers to protect them from physical damage. The categorization of biodegradable polymers and synthetic biopolymers is presented in Table 4.…”