A Comparative Study of Dispersion Techniques for Nanocomposite Made with Nanoclays and an Unsaturated Polyester Resin

Table 3

Storage temperature influence on nanocharged resin using HSM and sonication dispersion techniques.

Isothermal temperature (°C)	Dwell time (h)	Pure resin		Sonication A1		HSM B1-5 passes
		𝐻res (J/g)	Δ𝐻res (J/g)	𝐻res (J/g)	𝛼nano^1 (%)	𝐻res (J/g)	𝛼nano^1 (%)
−18	24	279.8	—	259.7	6.5	273.1	4.4
70	1					224.6	18.4
	1.5					214.2	21.5
	2					166.7	38.5
	6	260.1	19.7	214.7	14.4
70	12	243.6	36.2	206.9	15.1
70	24	239.3	40.5	197.1	17.6

¹Calculation based on 𝐻_res of the corresponding pure resin storage