Energy-attenuating polyurethanes
AssigneePolymer Dynamics (Delaware), Ltd.
InventorFritz Hostettler
Life of this patent
Estimating the term…
Abstract
A non-liquid, energy-absorbing polyurethane is derived from the process which comprises reacting a mixture of linear and branched polyols, a polyisocyanate and, optionally, a blowing agent, under polyurethane-forming conditions at an isocyanate index of from about 65 to about 85.
Claims55
A non-liquid, energy-absorbing polyurethane resulting from the process which comprises reacting a mixture of linear and branched polyols, a polyisocyanate and, optionally, a blowing agent, under polyurethane-forming conditions at an isocyanate index of from about 65 to about 85.
A process for preparing a non-liquid, energy-absorbing polyurethane which comprises reacting a mixture of linear and branched polyols, a polyisocyanate and, optionally, a blowing agent, under polyurethane-forming condition at an isocyanate index of from bout 65 to abut 85.
Dependencies are inferred from the claim text.