Impact of Drying Regimes and Different Coating Layers on Carboxymethyl Cellulose Cross-Linked with Citric Acid on Cotton Thread Fibers for Wound Dressing Modification

Abstract

The oldest preservation techniques used are drying techniques, which are employed to remove moisture and prevent microorganisms’ growths, prolonging a material’s shelf life. This study evaluates the effects of drying methods on carboxymethyl cellulose (CMC) + citric acid (CA) coating layers on cotton threads. For this reason, cotton threads were washed and then coated with different layers of CMC cross-linked with CA, followed by drying using an oven (OD), infrared (IR), and a combination of oven + IR (OIR) drying methods at 65 °C. Our investigations revealed that CMC + CA yields a pliable biopolymer. The differences in drying regimes and coating layers of CMC + CA have a significant effect on the coated cotton thread strength and absorption capability. The study concluded that the IR drying regime is more effective to dry a single-layered cotton thread with a single layer of CMC + CA coating to enhance desirable properties for wound dressing modification.

Macro-Size Regenerated Cellulose Fibre Embedded with Graphene Oxide with Antibacterial Properties

“…The small band is also present in RCF−0, RCF−GO1, RCF−GO2, and RCF−GO3 with peaks of 1611, 1631, 1627, 1629, and 1629 cm −1 , respectively. The band slightly shifted to a lower wavenumber, indicating more C = O vibrations detected from the RCF [ 27 ]. However, among the RCF composite, RCF−GO1 has the lowest absorption value, followed by RCF−GO2 and RCF−GO3.…”

“…Antibacterial properties of RCFs with different GO concentrations were conducted using the agar plate diffusion method (GB/T 20944.1-2017), as reported by Fu et al [ 26 , 27 ]. All samples were sterilised under ultra-violet light for 30 min before use.…”

Preparation of Ceramic Fiber Threads with Enhanced Abrasion Resistance Performance

“…Thus, strategies to improve the abrasion resistance performance of yarns made from different raw materials can provide valuable insights. To date, researchers have employed diverse methods to enhance the abrasion resistance performance of yarns made from cotton [22], polyester [21], carbon fibers [23], and fabrics consisting of polyester-cotton blends, polyester, and other materials [24]. These methods include altering the spinning process, adjusting fabric structures, and applying resin finishing.…”