high density polyethylene (hdpe) films were produced using cast film extrusion process with different draw ratios, ranging from 16.9 to 148.8. morphology, crystallinty and orientation state of crystalline and amorphous phases of the cast films were investigated using scanning electron microscopy (sem), differential scanning calorimetry (dsc) and polarized fourier transform infrared spectroscopy...

High density polyethylene (HDPE) films were produced using cast film extrusion process with different draw ratios, ranging from 16.9 to 148.8. Morphology, crystallinty and orientation state of crystalline and amorphous phases of the cast films were investigated using scanning electron microscopy (SEM), differential scanning calorimetry (DSC) and polarized Fourier transform infrared spectroscopy...

The effects of three different mixers, two different feeding orders and nanoclay content on the structure development and rheological properties of PE/nanoclay nanocomposite samples were investigated. Fractional Zener and Carreau–Yasuda models were applied to discuss the melt linear viscoelastic properties of the samples. Moreover, scaling law for fractal networks was used to quantify clay disp...

We consider the logical system of boolean expressions built on the single connector of implication and on positive literals. Assuming all expressions of a given size to be equally likely, we prove that we can define a probability distribution on the set of boolean functions expressible in this system. We then show how to approximate the probability of a function f when the number of variables g...

This study aimed to reveal the influence of draw ratio and take-up speed on pore size distribution morphology hollow fiber ultrafiltration membrane selective layer. To this end, spinnerets with ring ducts 1.8 1.3 mm were employed, whereas external diameter obtained was kept equal. Atomic force microscopy scanning electron employed Liquid–liquid displacement porosimetry used determine limiting d...