نتایج جستجو برای: melt processing

تعداد نتایج: 514982  

Journal: :Macromolecules 2021

Processing ionomers is complicated by their ability to exhibit brittle fracture even in the melt state. This work introduces a new strategy for providing with good flowability, extensibili...

Journal: :Èlektronnaâ obrabotka materialov 2022

By the methods of mathematical three-dimensional modeling, features distribution electric and thermal fields in volume molten alloy foundry hypoeutectic silumin A356, when it is treated with an current by parallel electrodes, are established. It was found that geometry electrode system qualitatively quantitatively determines effect electrothermal on melt treatment direct current. demonstrated d...

Journal: :Fibers and Polymers 2021

Polypropylene melt-blown fabric as the core filter materials plays an important role in manufacturing civil and medical epidemic prevention products. The aim of this study was to optimize control particle filtration efficiency apparent surface quality from perspectives electret masterbatch composition processing parameters. Magnesium stearate fumed silica were used manufacture polypropylene fab...

2014
Chung-Chih Lin

The state of melt viscosity in injection process is significantly influenced by the setting parameters due to that the shear rate of injection process is higher than other processes. How to determine plastic melt viscosity during injection process is important to understand the influence of setting parameters on the melt viscosity. An apparatus named as pressure sensor bushing (PSB) module that...

1998
A. P. Smith C. Bai H. Ade R. J. Spontak C. M. Balik C. C. Koch

Incorporation of liquid crystalline polymers (LCPs) into commodity polymers remains a challenge in the design of high-performance, low-cost polymeric blends. Blends of a thermoplastic polymer and a nematic LCP are produced here by mechanical alloying. Functionality sensitive X-ray microscopy reveals LCP dispersions as small as 100 nm in diameter. Intimate mixing remains upon subsequent melt pro...

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