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Polyurethane Flexible Foam for Automotive Seat Cushion Having Both Superior Static and Dynamic Properties  

Hong, Chae-Hwan (Hyundai-Kia Motors Co., Ltd.)
Back, Han-Sung (BASF-Koreas)
Kim, Kyung-Man (BASF-Koreas)
Kim, Sung-Yoon (Dymos)
Choi, Sok-Min (Dymos)
Hwang, Tae-Won (Hyundai-Kia Motors Co., Ltd.)
Publication Information
Polymer(Korea) / v.31, no.1, 2007 , pp. 47-52 More about this Journal
Abstract
Polyurethane flexible foams have been widely used for automotive seat cushions because of their excellent performance. It has been required so far to reduce the density of seat cushion foam. However, recently, improving the riding comfort of seat cushions becomes more important. With regard to riding comfort, we investigated the improvement of static properties such as the ball rebound property and the hysteresis loss. We also studied the vibration characteristics, which are well known as an important factor to affect the comfort performance during driving.
Keywords
riding comfort; automotive seat; polyurethane foam; vibration characteristics;
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