Some Properties of Antimicrobial Coated Knitted Textile Material Evaluation

Abstract

The aim of this work was to investigate the antimicrobial activity of knitted fabric intended for medical purposes as well as the influence of antimicrobial treatment on the compression work, volume resistivity, water sorption. and water retention of the examined material. Polyamide/elastane plain jersey knitted fabric was treated with a polymer matrix of chitosan gel in which either gentamicin sulfate or autochthonous essential oil of Picea abies was incorporated as an active substance. The treated fabrics showed a wide range of antimicrobial activity on microorganisms ( Staphilococcus aureus, Escherichia coli, Klebsiella and Candida albicans ) and therefore may have various medical applications. However, antimicrobial treatment changed the mechanical and physical-hygienic properties of the knitted fabric. The antimicrobial coatings decreased the total, elastic and irreversible compression work, water sorption, and volume resistivity, and increased the water retention of the fabrics. Antimicrobial treatment with chitosan and gentamicin sulfate produced a knitted fabric with good antimicrobial properties. However, if good mechanical and physical-hygienic properties are required, antimicrobial treatment with chitosan and essential oil of Picea abies has the advantage over treatment with gentamicin sulfate.

Comfort parameters of clothing woven fabrics in twill weave before and after thermal fixation of interlining

“…Od elektrofi zičkih svojstava, u koja spadaju električna otpornost, relativna dielektrična propustljivost, tangens dielektričnih gubitaka i specifi čna električna provodljivost, najčešće je određivana električna otpornost tekstilnih materijala, zbog poznate činjenice da su intenzitet i brzina rasipanja generisanog statičkog naelektrisanja sa tekstilnog materijala obrnuto srazmerni njegovoj električnoj otpornost [1][2][3][4][5][12][13][14][15][16][17][18]. Određivanju električne otpornosti tekstilnih materijala posvećen je veliki broj radova [2-5, 12-17, 19-21].…”

“…Zapreminska električna otpornost međupostave i ispitivanih odevnih tkanina, pre i posle termičkog fi ksiranja tkane međupostave, određena je primenom uređaja koji je razvijen na Katedri za tekstilno inženjerstvo Tehnološko-metalurškog fakulteta Univerziteta u Beogradu. Za određivanje električne otpornosti tkani-na korišćena je stacionarna naponska metoda, čiji je način funkcionisanja opisan u većem broju radova [2,5,12,13,16]. Zapreminske električne otpornosti tkanina određene su u oba njena strukturna pravca, tj.…”

“…Na osnovu određene zapreminske električne otpornosti tkanina (R x , GW), izračunata je specifi čna zapreminska električna otpornost uzoraka (u daljem tekstu otpornost) ρ (GΩcm) primenom jednačine [2,12,13]:…”

Antimicrobial Modifications of Polymers

“…This method demands low pressure (0.1 -100 Pa) and the presence of a working gas (usually N 2 , O 2 or Ar, CF 4 ). Plasma modifications to polymer surfaces are characterized by their weak stability over time, as polymer surfaces tend to return to their original chemical state [30][31][32][33][34][35][36][37][38][39][40].…”

Natural‐based polymers for antibacterial treatment of absorbent materials

“…with natural based agents such as metal salts, alkaline and a bisbiguanide compound (chlorhexidine) and copper cations (preferably carboxymethyl) . Knitted medical fabrics were treated by chitosan and chitosan‐sodium/calcium alginate based antibacterial gel, including herbal agents or antibiotic drugs. In another study, polyester nonwoven fabric was treated with peptides isolated from different plants and animals by grafting and polypropylene (PP) nonwoven fabric was treated with poly 2‐(N, N‐dimethyl amino ethyl methacrylate (PDAMA) and silver for antibacterial efficiency.…”