C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
403/35
C08G 18/32 (2006.01) C08G 18/50 (2006.01)
Patent
CA 1168800
CROSSLINKER-SURFACTANT FOR SEMIFLEXIBLE ENERGY MANAGEMENT POLYETHER POLYURETHANE FOAMS (D#75,864-F) ABSTRACT OF THE DISCLOSURE The incorporation of a crosslinker comprising an ethylene oxide adduct of a Mannich condensate of nonyl phenol, diethanolamine and formaldehyde in molded poly- urethane semiflexible foams is disclosed. Semiflexible polyurethane foams incorporating this crosslinker result in foams which offer many advantages including a significant improvement in moldability characteristics and materials utilization as well as other advantages. These improvements are demonstrable over similar formulations using other cross- linkers. The resulting foams find use in energy absorbing applications in the automotive industry and other industries.
384732
Smart & Biggar
The Dow Chemical Company
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