Влияние магнитного поля на фазовые переходы и структуру растворов и расплавов гибкоцепных полимеров
: магистерская диссертация

Translated title of the thesis: The Effect of a Magnetic Field on Phase Transitions and Structure of Solutions and Melts of Flexible Chain Polymers: Master's thesis

Student thesis: Master's Thesis

Abstract

Phase transitions of the PE – xylol, PE – hexane, PE – chloroform, PE – dichlorobenzene, PEG – 1,4-dioxane and PEG – toluene systems, and also the structure of the polymers separated from these systems have been studied using the
cloud-point method, polarizing microscopy and the X-ray diffraction under magnetic field and in its absence.
Phase diagrams of these systems are constructed. It is shown that the magnetic field leads to the increase in polymer crystallization temperatures from solutions and melts.
It is revealed that the sizes of spherulites formed in PEG solutions under magnetic field are significantly smaller, than that in the magnetic field absence.
The crystallinity degree of the PE and PEG samples separated from solutions and melts was determined. It was shown that the magnetic field increases the crystallinity degree of PEG, but doesn't influence on the PE crystallinity degree.
Date of Award2016
Original languageRussian
Awarding Institution
  • Ural Federal University
SupervisorСергей Анатольевич Вшивков (Supervisor)

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