Abstract
The study of surface structure of polyethylene films after their manufacture and later 7 years of closed storage were carried out. Electron-microscopic studies have revealed the features of the structure formation and aging processes, depending on the amount of organic and organic-mineral fillers, as well as the characteristic features of the destruction of the polymer material matrix.
Highlights
Polymer films based on thermoplastics as a technical material in the manufacture of membranes for separation of gas and liquid environments, technical parts of sensors and separators are increasingly used
The purpose of the study was to determine the changes in the structure of polyethelene films modified with organic and inorganic fillers during long-term aging under closed storage conditions
For polyethylene films with organic filler, the temporal changes of the structure were determined by the increase in the crystallinity of the matrix, which by the 7th year of storage was exhibited in the formation of a certain quantity of crystallites of polyethylene, which grew out of the amorphous matrix (Fig. 8)
Summary
Polymer films based on thermoplastics as a technical material in the manufacture of membranes for separation of gas and liquid environments, technical parts of sensors and separators are increasingly used. Their use requires the correction of definite physical characteristics, which is carried out by various additives and fillers of the polymer matrix. The improvement of some characteristics may be accompanied by a decrease in the other physico-mechanical and chemical appearance of the material, which necessitates further research. The purpose of the study was to determine the changes in the structure of polyethelene films modified with organic and inorganic fillers during long-term aging under closed storage conditions
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