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Dissertations / Theses on the topic 'Polymers Esters'

Author: Grafiati

Published: 4 June 2021

Last updated: 2 February 2022

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1

Omosa, Haron Moeti. "Studies on Several Diacetone-Glucose-derived Esters." Youngstown State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1628676922903541.

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2

Werry, Brian Scott. "Modifiable Poly(arylene ether)s and Hyperbranched Poly(esters)." Wright State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=wright1187277614.

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3

Pan, Xiao. "Novel Biobased Resins using Sucrose Esters of Plant Oils." Diss., North Dakota State University, 2011. https://hdl.handle.net/10365/29636.

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Interest in using renewable raw materials to prepare biobased monomers, polymers, and materials is rapidly increasing. The goal of the research described is to develop branched polyesters of plant oil fatty acids, using different core pol yo ls (i.e. sucrose, dipentaerythritol, and tripentaerythritol) and plant oils (i.e. linseed, safflower, and soybean), into curing systems that have potential uses in applications such as coatings, composites, and adhesives. This study is mainly focused on the use of sucrose as the core polyol in the soyate resins. Sucrose esters and their derivatives have a

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4

Myrex, Ronald Dustan. "Synthesis and characterization of phosphorus-containing inorganic polymers." Birmingham, Ala. : University of Alabama at Birmingham, 2007. https://www.mhsl.uab.edu/dt/2007r/myrex.pdf.

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Thesis (Ph. D.)--University of Alabama at Birmingham, 2007.<br>Additional advisors: Houston Boyd, Tracy Hamilton, Christopher Lawson, Charles Watkins. Description based on contents viewed Feb. 8, 2008; title from title screen. Includes bibliographical references.

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5

Chmura, Amanda J. "Group 4 metal alkoxide complexes as initiators for the ring opening polymerisation of cyclic esters." Thesis, University of Bath, 2008. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.512323.

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6

Owen, Paul. "Synthesis and properties of borate esters with B-O-MRâ†3(M=Si or Sn) links." Thesis, Bangor University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267185.

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7

Safranski, David Lee. "Poly(beta-amino esters) for cardiovascular applications." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/42825.

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Abdominal aortic aneurysms are a leading cause of death in the U.S. where 14,000 people die from aneurysm rupture and 178,000 are diagnosed each year. A novel alternative treatment for abdominal aortic aneurysms has been proposed, where a biodegradable polymer scaffold is photopolymerized in situ around the exterior of the aneurysm. This scaffold will mechanically constrain the aneurysm from further expansion, and will deliver a drug, doxycycline, to treat the underlying biological cause of the disease. In order for device development, a suitable polymer must be designed with appropriate mecha

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8

Ohno, Takahiro. "Improvement in physical properties of cellulose alkyl esters by the miscible blending with vinyl polymers." Kyoto University, 2007. http://hdl.handle.net/2433/136543.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第13124号<br>農博第1629号<br>新制||農||942(附属図書館)<br>学位論文||H19||N4250(農学部図書室)<br>UT51-2007-H397<br>京都大学大学院農学研究科森林科学専攻<br>(主査)教授西尾嘉之, 教授中坪文明, 教授杉山淳司<br>学位規則第4条第1項該当

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9

Balasanthiran, Vagulejan. "Chemistry of Bismuth, Chromium and Magnesium Complexes and Their Applications in the Ring-Opening Polymerization of Cyclic Esters and Epoxides." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1436792316.

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10

Mohtasham, Javid. "Fluorinated [beta]-sultones as Precursors to Fluorinated Sulfonic Acids, and New Fluorosulfonyl Containing Monomers/Polymers." PDXScholar, 1989. https://pdxscholar.library.pdx.edu/open_access_etds/1250.

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Sulfur trioxide (SO₃) adds to fluoroolefins of the form RCF=CF₂, (where R = F, SF₅, CF₃, CF₃OCF₂, CF₂=CF(CF₂)₂, CF₃(CF₂)₃O, CF₃O(CF₂)₂OCF₂, or CH₂ClCHClCH₂), yielding the fluorinated [beta]-sultones, RCFCF₂OSO₂. In the case of CF₃(CF₂)₃OCF=CF₂, a reverse addition occurs, giving the sultone, CF₃(CF₂)₃CF₂2OCFCF₂SO₂O. The fluoro [beta]-sultones are capable of undergoing different reactions, such as rearrangement, hydrolysis, esterification, and polymerization. These reactions, will result in the formation of compounds containing the fluorosulfonyl grouping (SO₂F); it is this group that yields the

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11

Wambua, Pasco M. "Chemistry of Magnesium and Zinc Complexes Supported by Bulky Ancillary Ligands and their Applications in the Ring-Opening Polymerization Studies of Cyclic Esters." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406125367.

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12

Roth, Peter J. [Verfasser]. "Alpha, Omega end group functionalization of RAFT polymers based on pentafluorophenyl esters and methane thiosulfonates / Peter J. Roth." Mainz : Universitätsbibliothek Mainz, 2011. http://d-nb.info/1025062914/34.

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13

Hibert, Geoffrey. "Glycolipids : from synthesis and self-assembly studies to the design of original bio-based polymers." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0249/document.

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Ces travaux de thèse traitent de l’étude de glycolipides et plus précisément d’esters de trehalose pour la synthèse de nouveaux polymères bio-sourcés. Des monoesters et diesters de trehalose ont ainsi été synthétisés par estérification des alcools primaires du trehalose avec des acides gras selon deux voies de synthèse. La première utilisant un agent de couplage peptidique ne nécessite pas l’utilisation de groupement protecteur pour estérifier sélectivement les alcools primaires. La deuxième est une estérification sélective catalysée par une lipase. L’auto-assemblage des esters de tréhalose a

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14

Correia, Ricardo Miguel Paulino Barroso Dias. "Synthesis and characterization of sugar containing hydrophilic and hydrophobic polymers with potential application in medicine." Master's thesis, Faculdade de Ciências e Tecnologia, 2013. http://hdl.handle.net/10362/11082.

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Dissertation toobtaina Master of Science degree in Bioorganics<br>There has been a worldwide acknowledgement that nature derived saccharides can provide the raw materials needed for the production of numerous industrial consumer goods. As such, sucrose is a low molecular weight renewable carbohydrate feedstock from which it is possible to elaborate new materials, like water-soluble and/or amphiphilic and biocompatible polymers. In this thesis we will describe some synthetic procedures (both conventional synthesis protocols (CSP) and microwave assisted protocols (MAPs)) by introducing and alte

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15

Yin, Hongfeng. "New methods in synthesis of cyclic oligoesters and cyclodepsipeptides." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1158668617.

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16

Hancock, Stuart. "Preparation of initiators for sustainable polymerisation." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.577743.

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Current plastics are mostly derived from petrochemical sources, as it is a finite resource renewable replacements are sought after. Polymers derived from cyclic esters such as; lactide, valerolactone and caprolactone are of interest. An industrially viable method of producing stereocontrolled polylactide (PLA) from rac-lactide is desired. Previous work on poly(cyclic esters) is overviewed in chapter 1 with an emphasis upon PLA. Chapter 2 reports the coordination of Ti(OiPr)4 to homo/piperazine bridged bis(phenol) (salan) ligands. Under ambient conditions bimetallic structures were produced and

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17

Zhou, Zhiping. "Mechanistic studies of the copolymerization of epoxides with carbon dioxide and ring-opening polymerization of cyclic esters." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1095348018.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xix, 193 p.; also includes graphics. Includes bibliographical references (p. 181-193).

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18

Castano, Gil Yenni Marcela. "Green Polymer Chemistry: The Role of Candida Antarctica Lipase B in Polymer Functionalization." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1398034236.

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19

Michaille, Sylvie. "Photolyse et photo-oxydation des polyesters insatures a l'etat solide." Clermont-Ferrand 2, 1987. http://www.theses.fr/1987CLF2D013.

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L'evolution photolytique et photo-oxydative des polyesters insatures, reticules ou non, exposes a une lumiere polychromatique de longueurs d'onde superieures a 300 nm, a ete etudiee par spectrophotometries ir, irtf, uv-visible. L'influence de chaque parametre d'elaboration a pu etre determinee: nature et concentration des diacides, nature des glycols, nature et concentration des agents reticulants, mode de reticulation. Les mecanismes mettent en jeu l'excitation primaire des groupes fumarates-maleates ou des groupes phtalates, et des reactions radicalaires rendent compte de l'apparition de pro

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20

Gao, Yaohua. "Electrospinning of Resorbable Amino-Acid Based Poly(ester urea)s for Regenerative Medicine." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460374617.

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21

Dreger, Nathan Z. "Amino Acid-Based Poly(ester urea)s for Soft-tissue Repair Applications." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1550486179514532.

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22

Pant, Nishtha. "Synthesis and Characterization of L-Valine based Poly(ester urea)s for Shape Memory Applications." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1607002293338635.

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23

Robinette, Eric Jason Palmese Giuseppe R. "Toughening vinyl ester matrix composites by tailoring nanoscale and mesoscale interfaces /." Philadelphia, Pa. : Drexel University, 2005. http://hdl.handle.net/1860/1125.

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24

Li, Hao. "Study of the Tunable Shape Memory Effect of Amino Acid-based Poly(ester urea)s." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1491434744895974.

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25

Qi, Ronghui. "Structure-property Relationship Study of Branched L-valine based Poly(ester urea)s." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460402230.

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26

Yu, Jiayi. "Synthesis and Characterization of Amino Acid-based Poly(ester urea)." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1366901855.

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27

Piras, Antioco. "Etude par résonnance magnétique nucléaire haute résolution en solution de la structure des polyesters insaturés." Paris 6, 1988. http://www.theses.fr/1988PA066483.

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Preparation et caracterisation par rmn a haute resolution d'alpha -omega -dihydroxy polyesters insatures modeles par rmn bidimensionnelle: mise en evidence de 3 types de branchements: cours, longs, cycliques. Preparation de polyesters lineaires par synthese en solution ou a partir de diacetates, reactions non adaptables industriellement sans modification des procedes; mise au point d'une technique de dosage de la reaction de saturation des produits industriels et etude des parametres influant sur cette reaction

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28

Lu, Yangtian. "Synthesis and Properties Study of a Doubly-Crosslinked Material Based on a Hyperbranched Polyacrylate with Hydrocarbon-Fluorocarbon Ester Substituents." University of Akron / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=akron1369046926.

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29

Seifert, Gabrielle Victoria. "Amorphous Calcium Phosphate Composites of a Phenylalanine-based Poly(ester urea) Poly(1-PHE-6)." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460388339.

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30

Keim, Terra Ann. "Synthesis, Characterization, and Cyclic Stress Influenced Degradation of a Poly(Ethylene) Glycol Based Poly(Beta-Amino Ester)." Thesis, Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19872.

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Poly(beta-amino esters) are photopolymerizable and biodegradable polymers prepared by the combination of amines with diacrylates. This study aims to fundamentally understand the polymer network formed by poly(ethylene)glycol diacrylate (PEGDA) MW 700 and 3-methoxypropylamine (3MOPA) as well as to characterize the degradation response of this material with and without cyclic loading. The networks were formed by a two-step process; (1) the synthesis of amine-co-peg diacrylate macromers through a step growth reaction, followed by (2) UV initiated chain growth network formation of the diacrylate

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31

Mudholkar, Seema. "Effect of oleic acid esters on the microencapsulation of 5-fluorouracil by poly(ortho esters) polymer." Scholarly Commons, 1998. https://scholarlycommons.pacific.edu/uop_etds/2345.

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The investigation focussed on the effects of oleic acid esters on the microencapsulation characteristics of the poly( ortho esters) polymer and their role as potential latentiated acid catalysts for the hydrolysis of the polymer backbone thereby influencing release of 5-fluorouracil. Four oleic acid esters, viz., ethyl oleate, propyl oleate, butyl oleate and lauryl oleate were studied. The microspheres were prepared by the emulsion solvent evaporation technique using sorbitan sesquioleate (6.44%w/w) as the surfactant. The microspheres were prepared with a theoretical drug loading of between 13

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32

Cimecioglu, A. Levent. "Cyclic and linear polymeric esters based on methanediol." Thesis, University of Leeds, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329121.

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33

Nie, Fei. "Synthesis and characterization of poly(ester-imide)s /." Online version of thesis, 1989. http://hdl.handle.net/1850/10685.

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34

Fontaine, Laurent. "Acces aux polyesters phosphoriques supports de principes actifs : polymerisation par ouverture de cycle et modification chimique." Le Mans, 1988. http://www.theses.fr/1988LEMA1009.

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Etude de la preparation de polyesters phosphoriques hydrosolubles et potentiellement biodegradables par polymerisation par ouverture de cycle et par modification chimique de poly(hydrogenophosphonate alkylene)

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35

Liu, Chenwei. "Synthesis of hyperbranched polymethacrylates by a bromoinimer approach." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1516719917076675.

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36

KARKAB, SAID, and Jean-Claude Brosse. "Esters de glycidyle pour la synthese de derives polymeres d'acides carboxyliques." Le Mans, 1993. http://www.theses.fr/1993LEMA1002.

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Des derives polymeres de mono- et diacides carboxyliques ont ete synthetises en utilisant leurs derives ester de glycidyle comme intermediaires reactifs. Trois voies d'acces aux esters de glycidyle ont ete envisagees reaction du chlorure d'acide avec le glycidol addition de l'acide sur l'epichlorhydrine suivie de la reformation de l'oxirane en milieu basique reaction en une etape d'un sel de tetraalkylammonium de l'acide avec l'epichlorhydrine ou l'epibromhydrine. Cette derniere methode est la plus interessante. Une variante avec le 1,8-diazabicyclo 5. 4. 0 undec-7-ene (dbu) comme capteur d'ac

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37

Jordan, Carolyn T. "DESIGN AND ANALYSIS OF CURCUMIN CONJUGATED POLY(BETA-AMINO ESTER) NETWORKS FOR CONTROLLED RELEASE IN OXIDATIVE STRESS ENVIRONMENTS." UKnowledge, 2018. https://uknowledge.uky.edu/cme_etds/84.

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Oxidative stress, the imbalance of free radical generation with antioxidant defenses, leads to cellular inflammation, apoptosis and cell death. This compromised environment results in debilitating diseases, such as oral mucositis (OM), atherosclerosis, and ischemia/reperfusion injury. Antioxidant therapeutics has been a proposed strategy to ameliorate these imbalances and maintain homeostatic environments. However, the success of these approaches, specifically curcumin, has been limited due to characteristics such as hydrophobicity and high reactivity when released as bolus doses to contest to

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38

Borges, Maur?cio Rodrigues. "S?ntese enzim?tica de ?steres de a??car: surfactantes e pol?meros como novos materiais ambientalmente seguros." Universidade Federal do Rio Grande do Norte, 2007. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12874.

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Made available in DSpace on 2014-12-17T14:07:23Z (GMT). No. of bitstreams: 1 MauricioRB.pdf: 2052566 bytes, checksum: ecabe62a65c1b9db9e09054f3321c5b1 (MD5) Previous issue date: 2007-03-12<br>Sugar esters are substances which possess surfactant, antifungical and bactericidal actions and can be obtained through two renewable sources of raw materials: sugars and vegetable oils. Their excellent biodegradability, allied to lhe fact that they are non toxic, insipid, inodorous, biocompatible, no-ionic, digestible and because they can resist to adverse conditions of temperature, pH and salinity, ex

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39

Caron, Antoine. "Hydrogénolyse de polymères porteurs de groupements ester benzylique latéraux." Rouen, 1988. http://www.theses.fr/1988ROUES012.

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Etude du clivage des groupes ester benzylique portés par des macromolécules linéaires de type poly (bêta -hydroxyacide), poly (acrylique) et poly (méthacrylique) par hydrogénolyse catalytique en phase hétérogène à l'aide de systèmes catalytiques poreux de type charbon palladié

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40

Nikam, Shantanu P. "LOCALIZED ANTIBIOTIC DELIVERY VIA VALINE BASED POLY(ESTER UREA)." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1522931095020122.

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41

Ghosh, Indrajit. "Blends of Biodegradable Thermoplastics With Lignin Esters." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/36890.

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Thermoplastic blends of several biodegradable polymers with lignin (L) and lignin esters were prepared by solvent casting and melt processing. Among the biodegradable thermoplastics were cellulose acetate butyrate (CAB), poly-hydroxybutyrate (PHB), poly-hydroxybutyrate-co-valerate (PHBV), and a starch-caprolactone blend (SCL). Lignin esters included acetate (LA), butyrate (LB), hexanoate (LH), and laurate (LL). Blend characteristics were analyzed in terms of thermal and mechanical properties. The results indicate widely different levels of interaction between two polymer constituents. Melt

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42

Horton, Kyle L. "Synthesis and characterization of biodegradable poly(vinyl esters) with HDAC inhibitory activity." Thesis, Wayne State University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1537532.

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<p>HDAC inhibitors are known to have anti-inflammatory properties. HDAC inhibitors are used in combination with Oct4 to generate induced pluripotent stem cells. I hypothesized that polyesters based on simple aliphatic HDAC inhibitors like valproic acid (VPA) and phenylbutyric acid (PBA) can serve as alternatives to existing polyester biomaterials with improved anti-inflammatory properties and as scaffolds for generation of iPSCs when used in combination with layer-by-layer thin films delivering reprogramming transcription factors. Vinyl ester of phenylbutyric acid (VEPA) and vinyl ester of val

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43

Childers, Erin P. "Tunable Poly(ester urea)s for Tissue Engineering Applications." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1478691327581315.

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44

Saggar, Sandeep Amar. "Additives for Increased Atomic Oxygen Resistance in Cyanate Ester Resins." W&M ScholarWorks, 1999. https://scholarworks.wm.edu/etd/1539626216.

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45

Katir, Nadia. "Esters méthyliques d'acides gras fonctionnalisés (B, Si, Ge, P) : Polyesters métallés - Nanoparticules de germanium." Phd thesis, Université Paul Sabatier - Toulouse III, 2008. http://tel.archives-ouvertes.fr/tel-00347655.

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Ce travail concerne la fonctionnalisation des esters méthyliques d'acides gras (EMAG) dans le but de valoriser les ressources halieutiques marocaines, en particulier les huiles de poisson dont ils sont les principaux constituants. Pour cela, des réactions d'hydroboration, d'hydrosilylation, d'hydrogermylation et de phosphorylation ont été réalisées dans les premier, deuxième et troisième chapitres et ont permis d'accéder à une grande variété de composés présentant des motifs EMAG diversement substitués. Dans les deux derniers chapitres, nous avons développé des applications de ces dérivés. Ain

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46

Abed, Jean-Claude. "Synthesis and characterization of heterocyclic polymers : polybenzoxazoles and cyanate ester networks /." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-171354/.

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47

Slapelis, Linda. "Plasma modification of poly(ester sulfonic) acid anionomeric membranes /." Online version of thesis, 1994. http://hdl.handle.net/1850/11445.

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48

Jacob, Sunny. "Synthesis and characterization of low-melting thermotropic liquid crystalline poly(ester-imide)s /." Online version of thesis, 1994. http://hdl.handle.net/1850/11881.

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49

Touhtouh, Samira. "Réaction d'échange alcool / ester : alcoolyse : application aux polymères." Thesis, Saint-Etienne, 2011. http://www.theses.fr/2011STET4004.

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Cette étude porte sur l’élaboration de polymères greffés à base de poly(éthylène alcool vinylique) (EVOH) et de la polycaprolactone (PCL). La réaction de greffage a lieu par la réaction d’alcoolyse entre les groupements ester de la polycaprolactone et les groupements alcools le long des chaînes d’EVOH. L’étude catalytique et cinétique par des études GC/MS très détaillées, facilitées par l’utilisation de réactions modèles avec le 1-dodécyl benzoate et le 2-dodécanol, montre la possibilité de la synthèse par extrusion réactive. L’activité catalytique de 1.5.7-triazabicyclo[4.4.0]dec-5-ene pour l

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50

Bardash, Liubov, and Liubov Bardash. "Synthesis and investigation of nanostructured polymer composites based on heterocyclic esters and carbon nanotubes." Phd thesis, Université Claude Bernard - Lyon I, 2011. http://tel.archives-ouvertes.fr/tel-00821160.

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The thesis relates to synthesis and investigation of nanostructured polymer composites based on oligomers of cyanate esters of bisphenol a (DCBA) or cyclic butylene terephthalate (CBT) and multiwalled carbon nanotubes (MWCNTS). Catalytic effect of mwcnts in process of DCBA polycyclotrimerization as well as in cbt polymerization has been observed. Significant increase in crystallization temperature of nanocomposites based on polybutylene terephthalate (cPBT) with adding of MWCNTS is observed. The effect of processing method of cpbt/mwcnts nanocomposites on its electrical properties has been fou

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