Antiviral fabric treatment- Practical documentation

Antiviral fabric treatment
Fig: Antiviral fabric treatment

Antiviral fabric treatment is now the main topic of textile finishes. Textile products supply the maximum hosting area for viruses and bacteria. So that fabric can supply is bacteria and virus to the skin of the human body. As a result, pathogens create in the skin. So needs treatment to destroy these pathogens.

Virus: virus is nothing but the submicroscopic infectious agent which infects specific cell of plants, animals, and humans. It is a harmful infectious which crate diseases. More than viruses are enveloped by fatty, lipid, cholesterol membrane. The other 40% of the virus is Non-Enveloped. Various size 20-300nm. Example: Coronavirus, Human and avian influenza virus  (H1N1, H5N1), Herpes simplex virus, Hepatitis virus, HIV.

Bacteria: Bacteria is a single cell organism. Large number of bacteria present inside and outside of human body. Most of the bacteria is harmless and some of are harmful. Sze normally 1000nm. Example:Staphylococcus aureus, MRSA , MSSA; Gram neg. Escherichia coli, Klebsiella pneumoniae,  Salmonella typhimurium

Why need Antiviral fabric treatment?

  • Textiles provide a large hosting surface of viruses and bacteria.
  • Textile directly contacts with human skin.
  • Various can survive day to a month on the fabric surface.
  • Research shows that human coronavirus(covid 19) can alive for up to 2 days at room temperature.

Fabrics on which Antiviral treatment can be done:

  • All types non-woven fabrics like face masks, air  filters, medical nonwovens (e.g. surgical gowns, drapes etc.),
  • Applies on work wear in hospitals and care  facilities,
  • On bed sheets and liners,
  • Curtains,
  • Carpets and room furnishings.
  • Even all fabrics in daily  use like terry towels and apparel in general.

Application of Antiviral agent on knited fabric:

Application of Antiviral agent can be done in both continuous and exhaust method. This antiviral agent will be active up to 30 wash.

Application of antiviral agent in the exhaust system:

ANTI-VIRAL Dyeing and FINISH PROCESS

Scouring and Bleach

Enzyme

Dyeing

 Soaping 90’c^10

80’C*10 (Normal hot

Check absorbency

Control PH 4.5-5.

Dose 30’c*5-Antiviral agent 2%(Depends on the concentration of chemical)

                    Increase Temp to 60’c (grading 1’C)

Runtime 30 min

Cooling 40’C

 Drain & Unload

Slitting

Stenter: 1St bath 40 to 50g/l durable softener

Temperature: 120’c

Stenter: 2nd bath Water only

           Compacting

Delivery to cutting

Application of antiviral agent in the Standard continuous system:

ANTI-VIRAL Dyeing and FINISH PROCESS

Scouring and Bleach

Enzyme

Dyeing

 Soaping 90’c^10

80’C*10 (Normal hot

Check absorbency

 Drain & Unload

Slitting

Stenter: 1St bath Anti viral agent 50-120 G/L, Temperature: 120’C to 140’C Ph= 4.5 to 5

Stenter: 2bath Durable softener 40 to 50 G/L

Compacting

Delivery to cutting

How can Antiviral fabric treatment be tasted?

There are three step is established to test this treatment:

Step 1: Silver content analysis: AAS Industry standard (Amount of silver content on the textiles is analyzed)

Step2: Antibacterial test: If passed, then: ISO 20743 antimicrobial test of staphylococcus.

Step3: Antiviral test: ISO 18184

Conclussion Antiviral fabric treatment:

Antiviral fabric treatment is a special advanced technique. Nowadays, it is so essential fabric treatment for priventing coronavirous. So that it is essential teratment all over the world.

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