English to Russian Science Chemistry; Chem Sci/Eng полимеры

The bimodal HDPE resin according to the invention has particular rheological properties. The bimodal HDPE resin of the invention has a **rheological horizontal activation energy** of more than 45 kJ/moi at a frequency of 1s"1 and a rheological horizontal activation energy of less than 45 kJ/mol at a frequency of 100s"1, More preferably, the bimodal HDPE resin has a rheological horizontal activation energy of more than 50 kJ/mol at a frequency of 1s'1 and a rheological horizontal activation energy of less than 40 kJ/mol at a frequency of 100s'1. This can be seen in Figure 1. Rheological horizontal activation energy is measured on a Rheometrics® ARES rheometer at 170, 190 and 210°C by inducing shear deformation within the linear viscoelastic regime (at 10% deformation) and recording complex viscosity at different shear rates.

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