Polyurethane foam containing silicone
AssigneeWacker Chemie AG
InventorsJens Cremer, Klaus Stowischek
Life of this patent
Estimating the term…
Abstract
Silicone-containing polyurethane foams prepared from isocyanate-containing organosilicon compounds and expandable graphite are flame retardant without displaying liquifaction of the polymer component when the foam is exposed to high temperatures.
Claims12
-10. (canceled)
A foamable composition comprising at least one organopolysiloxane (A) having at least one isocyanate group and expandable graphite (B).
A process for preparing a silicone-containing polyurethane foam, comprising reacting at least one organopolysiloxane having at least one isocyanate group (A) mixed with expandable graphite (B) with a chemical blowing agent (H).
Dependencies are inferred from the claim text.