阅读说明：本技术 低密度、低压缩永久变形、长恢复时间的聚氨酯泡沫 (Low density, low compression set, long recovery time polyurethane foams ) 是由 G·卡萨格兰德 F·拉泰拉 A·帕帕 于 2020-04-20 设计创作，主要内容包括：柔性聚氨酯泡沫的特征在于具有缓慢的恢复时间、低泡沫密度和非常低的压缩永久变形。所述泡沫适用于人体舒适应用,如枕头和床垫。(Flexible polyurethane foams are characterized by slow recovery times, low foam density and very low compression set. The foam is suitable for use in human comfort applications such as pillows and mattresses.)