POLYURETHANE FOAM EXCELLENT IN MOISTURE ABSORPTION AND RELEASE PROPERTIES

摘要

PROBLEM TO BE SOLVED: To provide a polyurethane foam excellent in moisture absorption and release properties, strength retention characteristics under wet conditions, and electrostatic properties. ;SOLUTION: This polyurethane foam, excellent in moisture absorption and release properties, is characterized in that the moisture absorption at 20°C×65%RH is 2-6 wt.%; that the moisture absorption at 30°C×90%RH is 6 wt.% or higher; and that the difference in moisture absorption between the above two conditions is 4 wt.% or higher.;COPYRIGHT: (C)2001,JPO