The titanium dioxide sol is prepared by sol-gel method with tetrabutyl titanate as the precursor.and then is applied to cotton finish by curing-steaming process after two-dip-two roll.The surface morphology,grayness difference,shading rate,UV protection,thermal insulation and static water contact angle of fabrics before and after finishing are tested by scanning electron microscope(SEM),image scanner,Datacolor colorimeter,UV protection coefficient tester,thermal conductivity tester and contact angle tester.The results show that the titanium dioxide film is formed on the surface of the cotton fabric after finishing,and the fabric has good anti-UV performance,as well as visual shielding performance,good heat insulation performance and excellent hydrophobic performance.
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