Preparation and Characterization of Polyurethane Rigid Foam Nanocomposites from Used Cooking Oil and Perlite

Table 4

Summary of TGA results for PURFs.

Code	T5% (°C)	T50% (°C)	Tmax1 (°C)	Tmax2 (°C)	Char yield (%)
PU-S1	265	457	426	596	6
PU-S2	203	438	487	587	2.6
PU-S3	209	442	487	581	2.4
PU-S4	203	443	483	574	2.3