Modification of Clays by Sol-Gel Reaction and Their Use in the Ethylene In Situ Polymerization for Obtaining Nanocomposites

Table 5

The effects of modification to clay using sol-gel, in the reaction conditions of polyethylene nanocomposites.

System	System (g)	% Zr (experimental)	Activity (kg·pol/mol*bar*h)	Clay %
Homogeneous	—	—	12000	—
HsT3	0.044	0,64	5142	0.3
HsT8	0.046	0,64	1901	0.8
HsT12	0.052	0,53	5250	0.4

Catalytic system (g) = 0.048,
% Zr theoretical = 0.72,
mol Zr in reactor = ,
ratio Al/Zr = 1400,
time of reaction (h) = 0.5.