Research Article

Intrinsically Noncombustible Thermosets from Sulfur-Containing Epoxy Resin and Benzoxazines: Evaluation of Thermal and Mechanical Properties

Table 1

Differential scanning calorimetry data of blend resins.

w (BZ): w (EPS)Tonset (°C)Tmax (°C)Toffset (°C)△H (J·g−1)

TBP-a/EPS10 : 0237254261291
7 : 3220250265361
5 : 5218251280325
3 : 7210251285309

TBP-fa/EPS10 : 0216230244309
7 : 3175223251398
5 : 5174224260353
3 : 7163224275338

TBP-tma/EPS10 : 0218240253104
7 : 3185230259211
5 : 5170229260189
3 : 7168230263178

DSC, differential scanning calorimetry; TBP, 4,4’-thiobisphenol; EPS, epoxy resin; BZ, benzoxazine.