Relevant bibliographies by topics / Blokový kopolymer

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  1. Dissertations / Theses

Academic literature on the topic 'Blokový kopolymer'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Dissertations / Theses on the topic "Blokový kopolymer"

1

Hoza, Adam. "Effect of Ethylene and Propylene on Performance of Ziegler - Natta Catalyst in Stopped - Flow Polymerization." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-320775.

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Výzkum v této práci byl zaměřen na přípravu a charakterizaci blokových kopolymerů typu polypropylen-blok-poly(propylenu-co-ethylenu) (dále jen PP-blok-EPR). Tyto materiály jsou považovány za účinné kompatibilizátory mezi semi-krystalickou polypropylenovou (PP) matricí a amorfními doménami statistického kopolymeru propylenu a etylenu (EPR) v rázuvzdorném sekvenčním kopolymeru (ICP) a proto byl výzkum zaměřen na zkoumání vlivu přídavku blokového kopolymeru PP-blok-EPR na vlastnosti komerčního ICP. Blokové kopolymery byly připraveny za použití techniky „stopped-flow“. Pro tento účel byla zkonstru
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2

Šido, Jiří. "Radikálové roubování PE/PP kopolymeru." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2009. http://www.nusl.cz/ntk/nusl-216542.

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Diploma thesis deals with preparation and characterization of block copolymer PP/PE grafted with itaconic anhydride in melt. Experimental part deals with free radical iniciated grafting of polar monomers onto polyolefins and with potencial applications of grafted polyolefins. Samples of PP/PE grafted with itaconic anhydride were prepared under various conditions in the experimental part. 2,5-dimethyl-2,5bis(tert-buthylperoxy)hexane (Luperox 101) was used as radical iniciator. Grafting was performed in Brabender mixer under conditions: temperature 190-230°C, concentration of monomer 0,25-1 weig
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Binar, Radim. "Vliv hydrolýzy na chemické a fyzikální vlastnosti PAN hydrogelů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-401451.

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Předložená diplomová práce se zabývá přípravou hydrogelů odvozených od polyakrylonitrilu a charakterizací jejich fyzikálních a chemických vlastností. Teoretická část shrnuje základní poznatky z oblasti hydrogelů, a také o polyakrylonitrilu. Dále se zabývá možností zpracování polyakrylonitrilu do reaktivní formy, takzvaného aquagelu a jeho zásadité hydrolýzy za účelem přípravy multi-blokových kopolymerů schopných tvořit 3D síť (gel). Experimentální část prezentuje výsledky charakterizace hydrogelů z polyakrylonitrilu neboli HYPANů, které byly připraveny bazicky katalyzovanou hydrolýzou aquagelu
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4

Šindelka, Karel. "Spontánní asociace polyelektrolytů ve vodných roztocích (disipativní částicová dynamika)." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-333042.

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Title: Self-assembly of polyelectrolytes in aqueous solutions (dissipative particle dynamics) Author: Karel Šindelka Department: Faculty of science, Charles University in Prague Supervisor: Doc. Ing. Zuzana Limpouchová, CSc. Consultant: Doc. Ing. Martin Lísal, DSc. Abstract In the thesis, the coarse-grained dissipative particle dynamics (DPD) is used for the study of self-assembly of equimolar mixtures of oppositely charged symmetric block PEs with one PE block (either strong polycation or strong polyanion) and one readily water-soluble neutral block in aqueous media. In the first part of the
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5

Raya, Rahul Kumar. "Studium spontánní asociace a koasociace blokových kopolymerů a polyelektrolytů." Doctoral thesis, 2021. http://www.nusl.cz/ntk/nusl-446086.

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The Thesis describe my studies based on self-assembly and co-assembly of block copolymer micelles that I conducted at the Department of Physical and Macro- molecular Chemistry at the Charles University, Prague in the research group of my supervisor, Prof. Dr. Karel Procházka, DrSc. The Thesis based on my publications and consists of four parts. Here I studied the formation of polymeric nanoparticles in aqueous solutions formed by polyelectrolytes with hydrophobic backbones by a combination of several experimental methods. The achieved results enabled me to explain the structure and properties
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6

Uchman, Mariusz Marcin. "Samoorganizace amfifilních blokových kopolymerů." Doctoral thesis, 2010. http://www.nusl.cz/ntk/nusl-299205.

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Souhrn Dizertační Práce Summary of the PhD Thesis SUMMARY OF THE PH.D. THESIS In the presented work, two different approaches for the formation of new functional nanoassemblies in aqueous solution were investigated. AB- and ABC-type of stimuli-responsive block co- and terpolymers and, eventually, additives like cadmium containing salt or boron clusters were utilized in the self- and/or co- assembly processes. In the self-assembly approach diblock copolymer polystyrene-block-poly((sulfamate- carboxylate)isoprene), (PS-PISC), and triblock terpolymer poly((sulfamate-carboxylate)isoprene)-block- p
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7

Gromadzki, Daniel. "Syntéza a samoorganizace blokových a roubovaných amfifilních funkčních kopolymerů." Doctoral thesis, 2010. http://www.nusl.cz/ntk/nusl-295432.

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7. Conclusions and outlook A set of questions of current interest in macromolecular chemistry was tackled and resolved in this thesis. The research project included both polymer synthesis and advanced characterization of produced polymeric materials using various experimental techniques. Particular interest was paid to block copolymers including diblock ionomers, "block- random" copolymers and block copolymers with nonlinear architecture such as comb-like copolymers and molecular brushes. The main results achieved in the present thesis are (l) structure-property relationship in diblock ionomer
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8

Škvarla, Juraj. "Nanočástice na bázi komplexů blokových kopolymerů s fluorovanými surfaktanty." Master's thesis, 2012. http://www.nusl.cz/ntk/nusl-309692.

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This thesis deals with (i) complex nanoaggregates of cationic perfluorinated surfactant N-(1,1,2,2- tetrahydroperfluorodecyl)pyridinium chloride and of double hydrophilic block polyanions poly(ethylene oxide)-b-poly(methacrylate) and poly(ethylene oxide)-b-poly((2-sulfamate-3- carboxylate)isoprene), and with (ii) mixed micelles of amphiphilic copolymer poly(ethylene oxide)- b-poly(e-caprolactone) and nonionic perfluorinated fluorosurfactant Zonyl FSN-100. The study was aimed at the characterization of the association behavior of the block copolymer-fluorosurfactant systems in aqueous solutions
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9

Murmiliuk, Anastasiia. "Multidimenzionální charakterizace polyelektrolytů a interpolyelektrolytových komplexů ve vodných roztocích." Doctoral thesis, 2021. http://www.nusl.cz/ntk/nusl-438407.

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Multidimensional characterization of polyelectrolytes and interpolyelectrolyte complexes in aqueous solutions Abstract: This PhD thesis is dedicated to the study of polyelectrolytes and their self-assembly in aqueous solutions. The morphology and ionization state of individual polymer chains were investigated as well as their co-assembly with oppositely charged species. First, the charge regulation of short and long weak polyelectrolytes in aqueous solution was investigated to deeper understand their pH-responsive properties. The changes of ionization degree and charge of oligopeptides compose
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10

Škvarla, Juraj. "Studium polyelektrolytů a asociujících blokových kopolymerů pomocí rozptylových a spektroskopických metod." Doctoral thesis, 2017. http://www.nusl.cz/ntk/nusl-369455.

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This dissertation focuses on application of scattering and spectroscopic techniques for studies of self-assembled systems of amphiphiles (both polymeric and low-molar mass) and polyelectrolytes in aqueous solutions. Special attention was paid to optical methods, namely static, dynamic and electrophoretic light scattering and steady-state and time-resolved fluorescence spectroscopy, which were supported by a number of other techniques such as small-angle X-ray scattering or transmission electron microscopy. The dissertation brings new results regarding micellization behavior of perfluorinated s
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