Clay-Coated nylon fiber was fabricated by dipping a raw fiber in aqueous clay colloid due to an electrostatic interaction of anionic clay sheet and cationic nylon surface. The surfaces of the clay coated fiber were investigated by a SEM, showing some scale-like structure. The Photo-resistivity, especially toughness for uv-light, was improved by the uv-absorption of the clay coated layer for an example, tensile strength of the clay coated fiber was improved by 5 % Compared to the uncoated original one. Alterative multi-Coating with poly allylic amine improved the photo-resistivity. However the multi-coating effect was saturated at ca. 5-layers. AFM observation revealed that there we small defects of the clay coating, which could introduce th...
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