Antimicrobial Finish of Cotton Fabric with Acrylamidomethyl Chito-oligosaccharide

Acrylamidomethyl Chito-oligosaccharide를 이용한 면직물의 항미생물 가공

  • 이재원 (서울대학교 공과대학 섬유고분자공학과) ;
  • 남창우 (서울대학교 공과대학 섬유고분자공학과) ;
  • 고석원 (서울대학교 공과대학 섬유고분자공학과)
  • Published : 1999.10.01


Chito-oligosaccharide (COS) was prepared by depolymerizing chitosan using sodium nitrite. The COS has many advantages in the application to fabrics compared with high molecular-weight chitosan, such as soft handle and uniform distribution. to introduce the reactive groups to COS, we prepared acrylamidomethyl chito-oligosaccharide (COS-NMA) by the reaction of COS with N-methylolacrylamide (NMA) in acidic medium, and the reaction product was characterized by $^1$H-NMR analysis. Cotton fabrics were treated with COS-NMA by a two-step process: the application of an acidic COS-NMA solution to cotton fabrics in the first step and then its reaction in an alkaline medium. Antimicrobial activity of the COS-NMA treated cotton fabrics was excellent. Durability to laundering of the treated fabrics was high enough to retain antimicrobial activity after twenty cycles of laundering.



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