| 20090004457 | POLYMER FOAM COMPOSITE CONTAINING HOLLOW PARTICLES AND PROCESS FOR PREPARING THE SAME - Disclosed is a polymer foam composite comprising a plurality of hollow cells. Each cell is defined by a cell wall. A plurality of hollow particles are contained in the cell wall. The hollow particles have a diameter in the range of about 100 nm to about 4 μm. The hollow portion of the hollow particle is filled with air, a fluorocarbon gas, a hydrocarbon gas, an inert gas or a mixture thereof. A process for manufacturing the polymer foam composite is also disclosed. A catalyst, a dispersant, a foaming agent, and hollow particles are added to a polyol to prepare a premixed polyol. Isocyanate is added to the premixed polyol to foam the premixed polyol and thereby form the polymer foam composite. | 01-01-2009 |
