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

Table 1

Results of ethylene polymerization^a.

Entry no.	Filler	𝑇𝑚 ^f	𝑋𝑐 ^f	𝑇degradation ^g
	(in mg)	(°C)		(°C)
1	0^b	136	67	452
2	15	137	62	475
3	15^c	137	64	478
4	15^d	135	71	468
5	15^e	130	71	469

^aPolymerization conditions: solvent toluene = 100 mL, temp = 30°C, catalyst (Cp₂ZrCl₂) amount = 20.5 μmol, filler is Mn (1%) doped TiO₂, [Al]/[M] = 700, ethylene Pressure = 5 bar, reaction time = 30 mins, ^bControl,^cReaction Time = 60 mins, ^dReaction Time = 120 mins, ^eEthylene Pressure = 2 bar, ^fDetermined by DSC measurements, ^gDetermined by TGA analysis.