Preparation and Characterization of Polyurethane Foam Based on Different Fillers

Nirvana Elghannam, M. A. Sadek, M. A. Radwan, Hany A. Elazab

Abstract

Polyurethane (PU or PUR) is a polymer composed of units of organic material connected with each other by urethane (carbamate) links. Most polyurethanes are thermosetting polymers not melting during heating, and thermoplastic polyurethanes are also available. In this article, the target is to find the best additive to add on polyurethane that has a high percentage due to the raw material, which is the polyurethane foam that is so expensive to save much money and have the best characteristics. The results obtained that the best additive is sand with particle size 600 micron. The addition of 8.48% of sand to the toluene diisocyanate and triethylenediamine made the polyurethane better in the compression resistance. It changed the 0% sand load from 0.94 kN to 1.359 kN.

 


Keywords: polyurethane foam, fillers, polymer.


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