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RISS 인기검색어
- 검색키워드
- 저자 : Becerir, (검색결과 3 건)
- 무료
- 기관 내 무료
- 유료
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Becerir Behcet The Korean Fiber Society 2005 Fibers and polymers Vol.6 No.3
This paper focuses on the application of a novel mathematical limit approach derived for K/S values in reactive dyeing of cotton fabrics. The relation obtained from Kubelka-Munk equation is used because the Kubelka-Munk equation is the basic relationship among fabric reflectance, fabric dye content and dyestuff characteristics. The limit approach derived in a former paper is applied to the laboratory dyeings and the dyeing behavior of some reactive dyes on cotton knitted fabric has been obtained. The results of the laboratory experiments are discussed using the new mathematical approach. When the actual K/S values obtained from the dyeings and the calculated K/S values derived by the limit approach are considered independently, it is observed that the limit relation is val id for low dye concentration applications. When the K/S values are calculated taking the K/S value of the initial dyeing concentration $(0.1\;\%\;owf)$ as the starting concentration by applying the result of the derived limit approach, the calculated K/S values fit with the ones obtained in actual dyeings. It is concluded that the novel approach presented in the paper can be used in calculating the K/S values when the initial dyeings at low dye concentrations are carefully carried out.
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Becerir Behcet,Iskender Abdulhalik The Korean Fiber Society 2004 Fibers and polymers Vol.5 No.4
In this paper, a comparison between a mathematical and an experimental method for the evaluation. of some process components of polyester microfibre dyeing is presented. In the experimental part, a dyeing procedure was chosen, K/S values of the dyed samples were measured and the coefficients of the mathematical formula presented in the mathematical part were obtained. K/S values of different dyeing procedures were also measured. In the mathematical part, predicted K/S values were calculated by a novel formula. The results of the two methods were then compared. According to the results obtained, the mathematical formula presented in this study can be used for calculating the predicted K/S values at lower dye concentrations.
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Akgun, Mine,Becerir, Behcet,Alpay, Halil Rifat The Korean Fiber Society 2007 Fibers and polymers Vol.8 No.5
This paper assesses the color difference and color strength values (K/S) obtained for eight disperse-dyed polyester fabric samples with different fabric construction parameters (weft yarn type, weft yarn count, weft density and fabric weave) after four sets of abrasion cycles. Warp yarn type and count, warp density, and warp yarn twist are the same for all fabrics. Fabric samples are dyed in a commercial red disperse dye (C.I. Disperse Red 74:1) and four different abrasion cycles (2500, 5000, 7500, 10000) are used. The K/S values of the abraided fabrics and color difference values between the control fabric (dyed but not abraided) and abraded fabrics are calculated. The main differences in the K/S and color difference values are observed between 0-2500 abrasion cycles. The high tenacity of the polyester fibers and continuous polyester yams causes some fuzz but no pilling formation on the fabric surface that lead to increased K/S values and color differences. Fiber dullness, yarn thickness, yarn density and fabric weave are concluded to have different effects on the appearance after abrasion.
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