Thermal and Mechanical Properties of Polyethylene/Doped-TiO₂ Nanocomposites Synthesized Using In Situ Polymerization

Table 2

Results of ethylene polymerization^a.

Entry no.	Filler (in mg)	Pressure (Bar)	Time (minutes)	Ultimate strength (MPa)	Young’s modulus (MPa)	Strain at Fracture (%)
1	0^b	5	30	17	325	7
2	15	5	30	17	338	454
3	15^c	5	60	33	342	1040

^aPolymerization conditions: solvent toluene = 100 mL, temp = 30°C, catalyst (Cp₂ZrCl₂) amount = 20.5 μmol, filler is Mn (1%)-doped TiO₂, [Al]/[M] = 700, reaction time = 30 mins, Ethylene Pressure = 5 bar, ^bControl, ^cReaction Time = 60 mins.