BTCA에 의한 실크/면 교직물의 DP 가공(2)- HPLC에 의한 BTCA 처리 실크/면 교직물의 물리적 특성 평가 -
Durable Press Finishing of Silk/Cotton Fabrics with BTCA(2)- The Evaluation of Physical Properties of Silk/Cotton Fabrics Treatedwith BTCA by HPLC Analysis -
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Abstract
Silk/Cotton fabrics were treated with butanetetracarboxylic acid(BTCA) under various treating conditions such as concentration, treated time and curing temperatures. Bending property, tensile strength, wrinkle recovery angle, and shrinkage were measured. The BTCA concentration in the saponfication mixture was measured by an isocratic HPLC equipped with the strong cationic exchange columm Aminex HPX-87-H and a UV detector. The detected concentration of BTCA was shown in silk side much more than that of cotton side. The bending and shrinkage properties were improved at minimum curing condition and the lower concentration of BTCA. Tensile strength decreased with increasing concentration of BTCA, curing temperature and treated time, while wrinkle recovery angle increased.