【摘要】 以海藻酸钠（SA）、壳聚糖季铵盐（QASC）2种性质不同的天然聚合物对棉织物进行改性，探究对含银墨滴铺展性能的影响。结果表明：SA改性导致含银墨滴的铺展面积逐渐减小，墨滴铺展圆度随着SA用量的增加先增加后减小，在用量为1%时铺展圆度最好。与SA相比，QASC可以更多附着于棉织物表面，导致织物亲水性下降，并使墨滴铺展面积和铺展圆度都有所下降。更多还原

【Abstract】 Two natural polymers with different properties, sodium alginate(SA) and chitosan quaternary ammonium salt(QASC), were used as modifiers to modify cotton fabrics. Its effect on the spreading performance of silver-containing ink drops was investigated. The results showed that the spreading area of silvercontaining ink drops decreased gradually after SA modification, and the spreading roundness of ink drops increased first and then decreased with increasing SA dosage. The spreading roundness was the best at 1%SA. Compared with SA, QASC could attach more to the surface of cotton fabric, but it would reduce the hydrophilicity of the fabric, the spread area and roundness of ink drops.更多还原