Effects of Alkaline Treatment on the Mechanical and Rheological Properties of Low-Density Polyethylene/Spartium junceum Flour Composites

Table 2

Values of impact strength (Izod) of composites LDPE/SJ composite with treated and untreated flour.

Composites	𝑎𝑛 (KJ/m^2)	𝑎𝑘 (KJ/m^2)
LDPE/SJ (100/0)	No break	No break
Untreated flour
LDPE/SJ (90/10)	No break	29,72
LDPE/SJ (80/20)	30,67	17,28
LDPE/SJ (70/30)	18,01	9,25
Treated flour (24 h)
LDPE/SJ (90/10)/25°C	No break	No break
LDPE/SJ (80/20)/25°C	No break	24,59
LDPE/SJ (70/30)/25°C	29,37	13,84
LDPE/SJ (70/30)/40°C	18,86	9,42
Treated flour (48 h)
LDPE/SJ (90/10)/25°C	No break	No break
LDPE/SJ (80/20)/25°C	No break	30,46
LDPE/SJ (70/30)/25°C	27,45	14,38
LDPE/SJ (70/30)/40°C	13,28	7,58
Treated flour (72 h)
LDPE/SJ (90/10)/25°C	No break	No break
LDPE/SJ (80/20)/25°C	No break	21,63
LDPE/SJ (70/30)/25°C	23,54	12,82
LDPE/SJ (70/30)/40°C	18,20	7,94