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  Surname Name Title Thesis status   Supervisors Reviewers Type of thesis Date of def. Title
Student Type of thesis - - - - - - - - - -
Item shown in detail Mrhálek Includes the selected person into the timetable overlap calculation. Ondřej Crystallization of Ethylene-Vinyl Acetate (EVA) Crystallization of Ethylene-Vinyl Acetate (EVA) Thesis finished and defended successfully (DUO).   Svoboda Petr Navrátilová Jana Bachelor's thesis 1466460000000 21.06.2016 Crystallization of Ethylene-Vinyl Acetate (EVA) Thesis finished and defended successfully (DUO).
Ondřej Mrhálek Bachelor's thesis 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX

Thesis info Krystalizace etylen-vinyl acetátu (EVA)

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Name Mrhálek Ondřej Includes the selected person into the timetable overlap calculation.
Acad. Yr. 2015/2016
Assigning department TUIP
Date of defence Jun 21, 2016
Type of thesis Bachelor's thesis
Thesis status Thesis finished and defended successfully (DUO). Thesis finished and defended successfully (DUO).
Completeness of mandatory entries - All mandatory fields for this Thesis are filled in.
Main topic Krystalizace etylen-vinyl acetátu (EVA)
Main topic in English Crystallization of Ethylene-Vinyl Acetate (EVA)
Title according to student Krystalizace etylen-vinyl acetátu (EVA)
English title as given by the student Crystallization of Ethylene-Vinyl Acetate (EVA)
Parallel name -
Subtitle -
Thesis supervisor Svoboda Petr, prof. Ing. Ph.D.
External examiner Navrátilová Jana, doc. Ing. Ph.D.
Annotation Cílem práce je sledování a následné vyhodnocení kinetiky krystalizace kopolymeru ethylen-vinyl acetát (EVA) s různým obsahem vinyl acetátu. Rovněž se sleduje vliv rychlosti ochlazování na kinetiku krystalizace. Krystalizaci kopolymeru lze vyhodnotit několika metodami, z nichž nejpodstatnější pro tuto práci je termická metoda diferenciální skenovací kalorimetrie (DSC). Z následných křivek byla nejprve určena krystalinita a posléze i další veličiny jako poločas krystalizace a parametry Avramiho rovnice. Všechny vypočítané veličiny u všech materiálů byly mezi sebou porovnány, čímž byl zjištěn vliv obsahu vinyl acetátu a rychlosti chlazení.
Annotation in English The main content of this work is investigating and evaluating crystallization kinetics of copolymer ethylene vinyl acetate (EVA) with various vinyl acetate content. Influence of cooling rate on the crystallization kinetics was also investigated. Crystallization of these copolymers was evaluated by differential scanning calorimetry (DSC). From subsequent curves was primarily evaluated crystallinity and then the others quantities such as half-time of crystallization and the parameters of Avrami equation. Calculated parameters of all materials were compared and then the influence of vinyl acetate content and cooling rate was determined.
Keywords krystalizace, ethylen-vinyl acetát, diferenciální skenovací kalorimetrie
Keywords in English crystallization, Ethylene-Vinyl Acetate, differential scanning calorimetry
Length of the covering note 57
Language CZ
Annotation
Cílem práce je sledování a následné vyhodnocení kinetiky krystalizace kopolymeru ethylen-vinyl acetát (EVA) s různým obsahem vinyl acetátu. Rovněž se sleduje vliv rychlosti ochlazování na kinetiku krystalizace. Krystalizaci kopolymeru lze vyhodnotit několika metodami, z nichž nejpodstatnější pro tuto práci je termická metoda diferenciální skenovací kalorimetrie (DSC). Z následných křivek byla nejprve určena krystalinita a posléze i další veličiny jako poločas krystalizace a parametry Avramiho rovnice. Všechny vypočítané veličiny u všech materiálů byly mezi sebou porovnány, čímž byl zjištěn vliv obsahu vinyl acetátu a rychlosti chlazení.
Annotation in English
The main content of this work is investigating and evaluating crystallization kinetics of copolymer ethylene vinyl acetate (EVA) with various vinyl acetate content. Influence of cooling rate on the crystallization kinetics was also investigated. Crystallization of these copolymers was evaluated by differential scanning calorimetry (DSC). From subsequent curves was primarily evaluated crystallinity and then the others quantities such as half-time of crystallization and the parameters of Avrami equation. Calculated parameters of all materials were compared and then the influence of vinyl acetate content and cooling rate was determined.
Keywords
krystalizace, ethylen-vinyl acetát, diferenciální skenovací kalorimetrie
Keywords in English
crystallization, Ethylene-Vinyl Acetate, differential scanning calorimetry
Research Plan 1) Rešerše na toto téma.
2) Změřit kinetiku krystalizace za pomocí diferenciální skenovací kalorimetrie (DSC) při různých rychlostech ochlazování.
3) Zjistit vliv obsahu vinyl acetátu na kinetiku krystalizace a obsah krystalické fáze.
4) Je možno vyzkoušet sledování krystalizace etylen-vinyl acetátu i za pomocí jiných metod, například širokoúhlého rozptylu rentgenového záření (WAXD) a polarizační světelné mikroskopie.
Research Plan
1) Rešerše na toto téma.
2) Změřit kinetiku krystalizace za pomocí diferenciální skenovací kalorimetrie (DSC) při různých rychlostech ochlazování.
3) Zjistit vliv obsahu vinyl acetátu na kinetiku krystalizace a obsah krystalické fáze.
4) Je možno vyzkoušet sledování krystalizace etylen-vinyl acetátu i za pomocí jiných metod, například širokoúhlého rozptylu rentgenového záření (WAXD) a polarizační světelné mikroskopie.
Recommended resources [1] Shi XM, Zhang J, Jin J, Chen SJ. Non-isothermal crystallization and melting of ethylene-vinyl acetate copolymers with different vinyl acetate contents. Express Polym Lett. 2008;2(9):623-629.
[2] Jin J, Chen SJ, Zhang J. Investigation of UV aging influences on the crystallization of ethylene-vinyl acetate copolymer via successive self-nucleation and annealing treatment. J Polym Res. 2010;17(6):827-836.
[3] Jin J, Chen SJ, Zhang J. Non-isothermal crystallization kinetics of partially miscible ethylene-vinyl acetate copolymer/low density polyethylene blends. Express Polym Lett. 2010;4(3):141-152. [4] Pang H, Zhong GJ, Xu JZ, Yan DX, Ji X, Li ZM, et al. Non-isothermal crystallization of ethylene-vinyl acetate copolymer containing a high weight fraction of graphene nanosheets and carbon nanotubes. Chinese J Polym Sci. 2012;30(6):879-892. [5] Lang MH, Zhang J. Non-isothermal crystallization behavior of poly(vinylidene fluoride)/ethylene-vinyl acetate copolymer blends. Iran Polym J. 2013;22(11):821-831. [6] Chen Y, Zou HW, Liang M, Cao Y. Melting and crystallization behavior of partially miscible high density polyethylene/ethylene vinyl acetate copolymer (HDPE/EVA) blends. Thermochim Acta. 2014;586:1-8. [7] Zhang XH, Yang HM, Song YH, Zheng Q. Influence of Crosslinking on Crystallization, Rheological, and Mechanical Behaviors of High Density Polyethylene/Ethylene-Vinyl Acetate Copolymer Blends. Polym Eng Sci. 2014;54(12):2848-2858.
Recommended resources
[1] Shi XM, Zhang J, Jin J, Chen SJ. Non-isothermal crystallization and melting of ethylene-vinyl acetate copolymers with different vinyl acetate contents. Express Polym Lett. 2008;2(9):623-629.
[2] Jin J, Chen SJ, Zhang J. Investigation of UV aging influences on the crystallization of ethylene-vinyl acetate copolymer via successive self-nucleation and annealing treatment. J Polym Res. 2010;17(6):827-836.
[3] Jin J, Chen SJ, Zhang J. Non-isothermal crystallization kinetics of partially miscible ethylene-vinyl acetate copolymer/low density polyethylene blends. Express Polym Lett. 2010;4(3):141-152. [4] Pang H, Zhong GJ, Xu JZ, Yan DX, Ji X, Li ZM, et al. Non-isothermal crystallization of ethylene-vinyl acetate copolymer containing a high weight fraction of graphene nanosheets and carbon nanotubes. Chinese J Polym Sci. 2012;30(6):879-892. [5] Lang MH, Zhang J. Non-isothermal crystallization behavior of poly(vinylidene fluoride)/ethylene-vinyl acetate copolymer blends. Iran Polym J. 2013;22(11):821-831. [6] Chen Y, Zou HW, Liang M, Cao Y. Melting and crystallization behavior of partially miscible high density polyethylene/ethylene vinyl acetate copolymer (HDPE/EVA) blends. Thermochim Acta. 2014;586:1-8. [7] Zhang XH, Yang HM, Song YH, Zheng Q. Influence of Crosslinking on Crystallization, Rheological, and Mechanical Behaviors of High Density Polyethylene/Ethylene-Vinyl Acetate Copolymer Blends. Polym Eng Sci. 2014;54(12):2848-2858.
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