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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 JURASOVÁ Includes the selected person into the timetable overlap calculation. Silvia Internal pressure determination from total thickness of swollen surface layer measurement in natural polymer system Internal pressure determination from total thickness of swollen surface layer measurement in natural polymer system Thesis finished and defended successfully (DUO).   Lapčík Lubomír Lapčíková Barbora Master's thesis 1118700000000 14.06.2005 Internal pressure determination from total thickness of swollen surface layer measurement in natural polymer system Thesis finished and defended successfully (DUO).
Silvia JURASOVÁ Master's thesis 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX 0XX

Thesis info Štúdium tvorby povrchovej nabobtnalej vrstvičky hydrofilných polymerov a stnovenie hodnot vnútorného tlaku

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Name JURASOVÁ Silvia Includes the selected person into the timetable overlap calculation.
Acad. Yr. 2004/2005
Assigning department TUFMI
Date of defence Jun 14, 2005
Type of thesis Master's thesis
Thesis status Thesis finished and defended successfully (DUO). Thesis finished and defended successfully (DUO).
Completeness of mandatory entries - The following mandatory fields are not filled in for this Thesis.: Title in English
Main topic Štúdium tvorby povrchovej nabobtnalej vrstvičky hydrofilných polymerov a stanovenie hodnot vnútorného tlaku
Main topic in English Internal pressure determination from total thickness of swollen surface layer measurement in natural polymer system
Title according to student Štúdium tvorby povrchovej nabobtnalej vrstvičky hydrofilných polymerov a stnovenie hodnot vnútorného tlaku
English title as given by the student -
Parallel name -
Subtitle -
Thesis supervisor Lapčík Lubomír, prof. Ing. CSc.
External examiner Lapčíková Barbora, doc. Mgr. Ph.D.
Annotation Bola študovaná príprava planárnych filmov karboxymethylcelulózy o rozdielnej molekulovej hmotnosti a rovnakom stupni substitúcie na produktech priemyselnej výroby firmy Herkules Inc. Filmy boli pripravované odlievaním z vodných roztokov na Petriho miskách a po dokonalej dehydratácii boli podrobené štúdiu kinetiky tvorby povrchovej napučanej vrstvičky v procese inkorporácie kvapalnej vody mikrointerferometrickou metodou. Z teplotných závislostí hrúbky povrchovej napučanej vrstvičky, difúzního koeficientu H2O a empirického člena RA,s v rovnici Uebberreitera a Asmussena boli pomocou vzťahu zavedeného Lapčíkom a Valkom vypočítané hodnoty vnútorných tlakov v sústavách obsahujúcich približne 50 % jednotlivých zložiek.
Annotation in English There was studied: a preparation of planar film of carboxymethylcellulose with different molecular weight substitution. The study of the same degrees of substitution. The study of samples where of industrial origin - a specific product Hercules Inc. The films were prepared by method of plaster- casting from diluted solutions on Petri dishes at laboratory temperature. By this way prepared samples where subjected to swelling in liquid water at temperature range from twenty to thirty degrees centigrade. There were determinate of swelling parameters: integral mean diffusion coefficient of water in a carboxymethylcellulose, activated enthalpy of diffusion connecting swelling, activated enthalpy of swelling and expansion work of polymer under an action work of internal pressure. The value of the last one was determinate from the equation introduced by Lapčík, Valko earlier.
Keywords celulóza, rychlost botnania, aktivačná entalpia, vnútorný tlak
Keywords in English cellulose, velocity of swelling, activation enthalpy, internal pressure
Length of the covering note 116 s.
Language CZ
Annotation
Bola študovaná príprava planárnych filmov karboxymethylcelulózy o rozdielnej molekulovej hmotnosti a rovnakom stupni substitúcie na produktech priemyselnej výroby firmy Herkules Inc. Filmy boli pripravované odlievaním z vodných roztokov na Petriho miskách a po dokonalej dehydratácii boli podrobené štúdiu kinetiky tvorby povrchovej napučanej vrstvičky v procese inkorporácie kvapalnej vody mikrointerferometrickou metodou. Z teplotných závislostí hrúbky povrchovej napučanej vrstvičky, difúzního koeficientu H2O a empirického člena RA,s v rovnici Uebberreitera a Asmussena boli pomocou vzťahu zavedeného Lapčíkom a Valkom vypočítané hodnoty vnútorných tlakov v sústavách obsahujúcich približne 50 % jednotlivých zložiek.
Annotation in English
There was studied: a preparation of planar film of carboxymethylcellulose with different molecular weight substitution. The study of the same degrees of substitution. The study of samples where of industrial origin - a specific product Hercules Inc. The films were prepared by method of plaster- casting from diluted solutions on Petri dishes at laboratory temperature. By this way prepared samples where subjected to swelling in liquid water at temperature range from twenty to thirty degrees centigrade. There were determinate of swelling parameters: integral mean diffusion coefficient of water in a carboxymethylcellulose, activated enthalpy of diffusion connecting swelling, activated enthalpy of swelling and expansion work of polymer under an action work of internal pressure. The value of the last one was determinate from the equation introduced by Lapčík, Valko earlier.
Keywords
celulóza, rychlost botnania, aktivačná entalpia, vnútorný tlak
Keywords in English
cellulose, velocity of swelling, activation enthalpy, internal pressure
Research Plan a) vypracovať literárnu rešeršiu na danú tému
b) pripravit definovane vzorky polymernych gelov
c) preštudovať teplotnú závislosť celkovej hrúbky povrchovej nabobtnalej
vrstvičky skúmaných vzoriek
d) vyhodnotiť experimentálne dáta
Research Plan
a) vypracovať literárnu rešeršiu na danú tému
b) pripravit definovane vzorky polymernych gelov
c) preštudovať teplotnú závislosť celkovej hrúbky povrchovej nabobtnalej
vrstvičky skúmaných vzoriek
d) vyhodnotiť experimentálne dáta
Recommended resources podľa pokynov vedúceho diplomovej práce
Recommended resources
podľa pokynov vedúceho diplomovej práce
Týká se praxe No
Enclosed appendices -
Appendices bound in thesis -
Taken from the library Yes
Full text of the thesis
Appendices
Reviewer's report
Supervisor's report
Defence procedure record file