Polyurethane flexible foams include some amount of fire retardant chemistry to meet or exceed reaction to fire standards. For the consumer, the enhanced reaction to fire can mean increased egress time from a burning room. However, many fire retardants, particularly halogen containing fire retardants are either under review or have been banned. Along with public and media attention, according to the Department of Energy (DfE), the State of California and the Consumer Product Safety Commission (CPSC) are planning to establish updated flame retardancy standards. Hexion has developed a line of aromatic polyether polyols which, due to their high aromaticity, may be a of use to the polyurethane foam formulator as an additive in either reducing or finding alternatives to halogenated flame retardants. Several polyols will be reviewed with a focus on the newest polyol, Resonance™ PL92-450. The aromatic polyether polyol will be described during this discussion as an additive to a flexible foam system.
Steve Crain, PMP; Business Development Leader, Hexion Inc
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