| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve heat conductivity, to prevent aging degradation of heat conductivity and to have excellent appearance quality while improving the recycling rate of spent foam urethane in a vacuum heat insulating panel. <P>SOLUTION: A core material 15 formed by kneading a small quantity of a binder in a waste urethane pulverized material 14 is enclosed together with a getter agent 4 in a gas barrier film 2 to form a core material 13, and the inside of the gas barrier film 2 is vacuum-sealed to form a vacuum heat insulating panel 11. <P>COPYRIGHT: (C)2003,JPO</p> |
