'Department of Polymer Engineering, Scientific Society of Mechanical Engineering'
Doi
Abstract
This work covers the synthesis and characterization of in-reactor Ultra-High Molecular Weight Polyethylene/
High Density Polyethylene, UHMWPE/HDPE, blends by in situ polymerization in a single reactor, through dual catalyst
immobilization. These blends are synthesized combining two different catalysts (one for each targeted molar mass) co-immobilized
in mesoporous Santa Barbara Amorphous, SBA-15, particles. First, the ethylene polymerization behavior is investigated,
under different polymerization conditions. Then, studies on the thermal, mechanical and rheological characteristics
of the produced in-reactor blends are presented and their performance is compared and discussed in a comprehensive way.
Moreover, the effect of different filler contents on the properties exhibited by the resulting materials is investigated.
Results have shown that these in-reactor UHMWPE/HDPE blends exhibit a complex thermal, mechanical and rheological
behavior, which depends mainly on the proportion between the two polymer components and on the amount of SBA-15.info:eu-repo/semantics/publishedVersio
