Otto Bayer
Diisocyanate + diol → polyurethane at IG Farben / Bayer.
Polyurethanschaum · Organischer Niedrig-λ-Schaum für Kühlschrank und Bau. Brandschutz braucht PIR und Bekleidung.
Polyurethanschaum did not arrive as a finished commodity. Otto Bayer 1937; fridge foam 1950s around Germany still explains who makes it and which tests it sits in.
Ten dated points, five eras and three milestones below are the spine — not a complete industrial history.
Diisocyanate + diol → polyurethane at IG Farben / Bayer.
Comfort market first.
Replaced cork and glass wool in appliances.
US commercial roofs.
CFC blowers began to exit.
Isocyanurate index for better fire indices.
Climate GWP problem replaced ozone problem.
Lower-GWP blowing agents.
Insulation combustibility became a public brief — chemistry and system both.
Formulators juggle λ, fire and climate.
Diisocyanate + diol → polyurethane at IG Farben / Bayer.
Replaced cork and glass wool in appliances.
CFC blowers began to exit.
Climate GWP problem replaced ozone problem.
Insulation combustibility became a public brief — chemistry and system both.
US commercial roofs.
Climate GWP problem replaced ozone problem.
Formulators juggle λ, fire and climate.
Knowing this timeline is how to read a mill certificate without treating Polyurethanschaum as timeless.
Geschmolzenes Gestein oder Glas als A1-Matten — der unbrennbare Standard.
Gesamt 69 📦Versiegeltes Vakuum-Sandwich: λ ~0,004–0,008 bis der Beutel leckt.
Gesamt 44 🕯️Latentwärmepakete, die Schwankungen glätten. Ergänzung, kein λ-Ersatz.
Gesamt 36