| 摘要 |
PROBLEM TO BE SOLVED: To provide a low-thermal storage film which is a thermoplastic resin film usable for covering a substrate and having low-thermal storage properties and excellent weather and heat resistances, etc. SOLUTION: The low-thermal storage film is obtained by molding a low-thermal storage resin composition containing a thermoplastic resin (A) and has≤500μm thickness. The composition further comprises an inorganic pigment (B) having infrared light reflection characteristics in an amount of 0.5-13 mass% based on the whole composition. The low-thermal storage film is characterized as having≤73°C temperature rise of the composition obtained under the following test conditions. [test conditions] A molded product (80 mm length, 55 mm width and 2.5 mm thickness) composed of the low-thermal storage resin composition is conditioned in a room regulated to 25±2°C temperature and 50±5% RH humidity for 60 min and the surface is then irradiated with an infrared lamp (100 W output) from 200 mm height for 60 min. The surface temperature of the molded product is subsequently measured and the difference from the initial temperature before the irradiation with the infrared lamp is taken as the temperature rise. COPYRIGHT: (C)2007,JPO&INPIT
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