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A novel approach for adding smart functionalities to cellulosic fabrics.

N A Ibrahim1, B M Eid1, H El-Batal1

  • 1Textile Research Division, National Research Center, Cairo, Egypt.

Carbohydrate Polymers
|October 19, 2021
PubMed
Summary
This summary is machine-generated.

A novel nanocomposite of silver nanoparticles (Ag-NPs) on hyperbranched poly(amide-amine) (HBPAA) imparts durable antibacterial properties to cellulosic fabrics. This functional finishing enhances fabric performance, even after multiple washes.

Keywords:
Ag-NPs-colloidCellulosic substratesFunctional finishingHBPAAOne-step reactive dyeing/finishing

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Area of Science:

  • Materials Science
  • Textile Chemistry
  • Nanotechnology

Background:

  • Cellulosic fabrics like linen, cotton, and viscose are widely used but lack inherent antibacterial properties.
  • Developing durable antibacterial finishes for textiles is crucial for hygiene and performance.
  • Silver nanoparticles (Ag-NPs) are known for their antimicrobial efficacy but require stable carriers for textile applications.

Purpose of the Study:

  • To prepare and characterize a water-soluble nanocomposite of Ag-NPs loaded on hyperbranched poly(amide-amine) (HBPAA).
  • To evaluate the efficacy of this nanocomposite in functional finishing and combined reactive dyeing/finishing of cellulosic fabrics.
  • To assess the durability of the antibacterial properties after repeated laundering.

Main Methods:

  • Synthesis and characterization of Ag-NP/HBPAA nanocomposite.
  • Application of the nanocomposite onto linen, cotton, and viscose fabrics via functional finishing and combined dyeing/finishing.
  • Evaluation of antibacterial activity and assessment of fabric properties (functional, comfort, dyeing) before and after 15 laundering cycles.

Main Results:

  • The Ag-NP/HBPAA nanocomposite was successfully prepared and shown to be water-soluble.
  • Finished and dyed/finished fabrics exhibited outstanding antibacterial functionality, persisting after 15 laundering cycles.
  • The impact on other fabric performance properties varied, depending on the specific cellulosic substrate.

Conclusions:

  • The developed Ag-NP/HBPAA nanocomposite provides a durable and effective antibacterial finish for cellulosic textiles.
  • This technology offers a promising route for enhancing the hygienic properties of fabrics without significantly compromising other performance characteristics.
  • Substrate-specific effects highlight the importance of tailoring finishing processes for different cellulosic materials.