International Journal of Polymer Science / 2017 / Article / Tab 1

Research Article

Synthesis of Disentangled Ultra-High Molecular Weight Polyethylene: Influence of Reaction Medium on Material Properties

Table 1

Results of ethylene polymerization with 1/MAO.

SampleSolvent(s)Catalyst []Yield 
PDI

PE1Toluene2.50.24120
PE2Toluene7.58.811700
PE3Toluene1523.522001.76.03.5
PE4Toluene3039.21800
PE5Toluene40651100

PE6Heptane15129701.43.52.5
PE7T/H 25/75151512000.93.94.3
PE8T/H 50/50151613001.53.02
PE9T/H 60/401530.52500
PE10T/H 75/251530.225002.27.03.2
PE11T/H 80/2015282300
PE12T/H 90/101526.521002.37.63.3

PE13Heptane15131130013.13.1
PE14T/H 75/251528329001.86.93.8
PE15Toluene1525526001.76.23.6

(a) Toluene/heptane solvent mixtures are expressed as volume.
(b) Expressed in [hbar].
(c) Data from rheological experiments, in 106 g mol−1.
Other reaction conditions: time: 1 h; temperature: 10°C, , ethylene: 1.1–1.4 bar; PE1–5, solvent amount: 0.5–0.75 l; PE6–12, solvent amount: 0.75–1.0 l; PE13–15, solvent amount: 6 l.