Abstract
Samples of pure polyurethane (polyol + isocyanate) were prepared as well as other samples by adding urea powder, and when adding urea powder, the flexibility and cohesion of polyurethane improved, as well as its thermal conductivity decreased and its density increased, as well as flame and fire resistance. The best ratio was 5g of urea for each 12cm3 polyurethane.
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More From: IOP Conference Series: Earth and Environmental Science
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