Paper Information

Journal:   IRANIAN POLYMER JOURNAL (ENGLISH)   July-Agust 2003 , Volume 12 , Number 4; Page(s) 271 To 280.
 
Paper: 

THE EFFECT OF PLASMA TREATMENT ON SOME PROPERTIES OF COTTON

 
 
Author(s):  MAALEK R.M.A.*, HOLME I.
 
* Textile Engineering Dept., Amir Kabir University of Technology, Tehran, I.R.Iran
 
Abstract: 

Treatment of cotton fibres has been studied in air and oxygen plasma and the treatment time, nature and flow rate of the gas, and plasma power varied. In order to establish the chemical effect of plasma treatment on cotton fibres the following tests have been performed: Cuprammonium fluidity test, weight loss measurement, determination of carboxyl groups, carbonyl group identification, FTIR analysis and measurement of the ASTM yellowness of the untreated and plasma treated cotton fabrics. In addition of vertical wicking studies and the effect of ageing of the plasma treated samples on the rate and the amount of dye uptake have been investigated. The plasma treatments lead to surface erosion of the cotton fibres, which generates a weight loss, accompanied by an increase in the fibre carboxyl group and carbonyl group contents. The increase in fibre carboxyl group content leads to a more wettable fibre and the rate of fabric vertical wicking is increased. The direct dye (chloramine Fast Red K) uptake of treated samples increases almost linearly with the increase in fibre carboxyl group content caused by plasma treatment, but progressively decreases with increase in the ageing time after oxygen plasma treatment. Ageing after plasma treatm.

 
Keyword(s): COLD PLASMA, PLASMA TREATMENT, COTTON, DYE UPTAKE, FREE RADICALS
 
References: 
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