To provide a shutter which has lighting properties and personal recognition properties and further has both of antistatic properties and antibiotic properties in a shutter apparatus of a sheet opening/closing type, which is used at a doorway to a factory and a facility, and a carry-in/out port of a product and a material.
A flexible opening and closing body for the sheet shutter is a light transmissible composite sheet that is formed by using a coarse-mesh woven fabric as a base fabric and has thermoplastic resin coating layers formed on the both sides of the base fabric. The coarse-mesh woven fabric comprises a knitted or woven structure composed of a dense part and a void part, has the dense part that totally occupies 20-70% of the coarse-mesh woven fabric, and also has a metal thin film layer formed on one or more faces thereof. The metal thin film layer comprises at least a first thin film layer and a second thin film layer for covering a surface of the first thin film layer. The first thin film layer is a layer that contains one or more metals selected from the group consisting of silver, copper and zinc, and the second thin film layer is a layer formed of an alloy layer or a metal oxide layer.
SUZUKI TAKAHIRO
KUZE JUNJI
YANAGISAWA TAKASHI
SEKISUI NANO COAT TECHNOLOGY CO LTD
HIRAOKA & CO LTD