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A kitchen sponge made of polyurethane foam
A kitchen sponge made of polyurethane foam
Otto Bayer in 1952 demonstrating his creation
Otto Bayer in 1952 demonstrating his creation
Open-flame test. Top: untreated polyurethane foam burns vigorously. Bottom: with fire-retardant treatment.
Open-flame test. Top: untreated polyurethane foam burns vigorously. Bottom: with fire-retardant treatment.
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SBS block copolymer in TEM
SBS block copolymer in TEM