| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multilayer extruded polystyrene resin foam board small in thermal conductivity even when a physical foaming agent high in gas permeation speed to a polystyrene resin is used, and having high heat insulation performance over a long term, and to provide a method of manufacturing the same. <P>SOLUTION: In this multilayer extruded polystyrene resin foam board formed by laminating a resin layer at least on one surface of a polystyrene resin foamed layer, a resin composing the resin layer contains at least one kind of resin (A) 1 (5-60 wt.%) selected from a polyester resin and a polyamide resin, and a polystyrene resin (B) 2 (95-40 wt.%) (where the total of the resin (A) and the polystyrene resin (B) is 100 wt.%); the resin (A) satisfies a specific condition; and, in the resin layer, the resin (A) and the polystyrene resin (B) form a dispersion phase and a continuous phase, respectively. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
