Effect of in situ deposition of calcium carbonate in cotton fiber on its mechanical properties

Abstract

In this study, in order to improve mechanical properties of cotton fabrics, nano-micro sized calcium carbonate (CaCO 3 ) was deposited in situ on cotton fabrics. The mechanical properties, surface morphology, crystalline index, infrared spectrum, thermal property, and wettability of the deposited fabrics were measured and discussed. The results showed that the breaking strength of cotton fabric increased by about 10% after in situ deposition of nano-micro calcium carbonate. After ultrasonic washing, the strength of cotton fabric deposited CaCO 3 was still increased by about 10%. The crystallinity of the cotton fabric deposited with calcium carbonate increased from 76% to 84%. The hydrogen bond between cellulose molecules and calcium carbonate was confirmed by infrared spectroscopy. The hydrophilicity and thermal properties of cotton fabric were not significantly influenced by calcium carbonate deposition. This provides a new idea for improving the mechanical properties of cotton fabric.breaking strength, cotton fiber, crystalline index, nano-micro calcium carbonate | INTRODUCTIONCotton is a rich natural source of cellulose polysaccharide. Cotton fabric is favored because of its excellent wearing comfort, breathability, and dyeability. 1,2 However, the low strength of cotton fabrics may have certain impact on their wearability. The main methods used to improve the strength of cellulose materials are alkali treatment 3 and nanoparticle coating. 4 Among these, alkali treatment is the most widely used method. The tensile strength of natural fibers, such as hemp fibers, 5 okra fibers, 6 and Juncus effusus fibers, 7 improved after alkali treatment. 8

The effect of mercerization on water conductivity in cotton fabrics and its regulation

“…The untreated cotton fiber crystallization peaks mainly appeared in the (10), (110), (200), and (004) crystal planes at 14.5°, 16.1°, 22.3°, and 33.7°, 27 respectively. A new diffraction peak appeared at 12.4° in the cotton fibers treated with 260 g/L NaOH, indicating that the crystal structure of the cellulose I had partially transformed into cellulose II 28,29 .…”

Research on Properties of PBAT/CaCO3 Composite Films Modified with Titanate Coupling Agent

“…The absorption peak at 2522 cm −1 is the stretching vibration peak of the O=C=O group; the absorption peak at 1797 cm −1 is the stretching vibration peak of the C=O group; the absorption peak at 1426 cm −1 is the asymmetric stretching vibration peak of carbonate ion in CaCO 3 ; the absorption peak at 876 cm −1 is the out-of-plane bending vibration peak of the carbonate ion, and the absorption peak at 713 cm −1 is the in-plane bending vibration peak of carbonate ion. The absorption peak at 876 cm −1 is the out-of-plane bending vibration peak of the carbonate ion, and the absorption peak at 713 cm −1 is the in-plane bending vibration peak of the carbonate ion [ 45 ].…”

“…Polymers 2023, 15, x FOR PEER REVIEW 9 of 18 carbonate ion, and the absorption peak at 713 cm −1 is the in-plane bending vibration peak of carbonate ion. The absorption peak at 876 cm −1 is the out-of-plane bending vibration peak of the carbonate ion, and the absorption peak at 713 cm −1 is the in-plane bending vibration peak of the carbonate ion [45]. From the results of FTIR analysis, it can be seen that the modified CaCO3 shows new absorption peaks near 2820 cm −1 and 2940 cm −1 , which are the telescopic vibrational absorption peaks of -CH3and -CH2-in the organic coupling agent, respectively, indicating that the coupling agent has successfully encapsulated on the surface of CaCO3 and formed new chemical bonds [46].…”

Physico‐chemical characterization and degradation analysis of mineral paper: Impact of accelerated weathering and aerobic biodegradation

“…Incorporating organic and inorganic fillers into polymers significantly enhances their characteristics, processability, and environmental impact 7–10 . Many studies have examined the influence of calcium carbonate (CaCO 3 ) on polymer properties and developed new material features 11–13 . Calcium carbonate is the most commonly used and cost‐effective mineral filler that is blended with polymers to reduce costs and adjust their properties to specific applications 4,14,15 …”

“…[7][8][9][10] Many studies have examined the influence of calcium carbonate (CaCO 3 ) on polymer properties and developed new material features. [11][12][13] Calcium carbonate is the most commonly used and cost-effective mineral filler that is blended with polymers to reduce costs and adjust their properties to specific applications. 4,14,15 Recent technological advancements have allowed for the production of paper materials using mineral powders instead of traditional cellulose-based fibers.…”