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High Resiliency Urethane Foams for Automotive Seating Applications

change in the design and construction of automotive seats resulted in a significant increase in the amount of flexible foam required per cushion. [1 ] High resiliency flexible foam has become synonymous with a quality seating material. These foams possess outstanding cushioning and resiliency properties normally associated with good latex rubber foam. [2] The use of polyether polyols with increased reactivity provides several processing advantages for high resiliency foams. Because molded foams cure much faster than that attained with earlier systems based on less reactive polyols, a substantial savings in time and energy is realized. The processing characteristics, as well as physical properties, of molded, high resiliency foams are substantially improved by the use of polymer-polyols. [3] This specialty class of polyols allows for precise control of foam load-bearing properties over