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Dissertations / Theses on the topic 'Aminosilan'

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1

Arruda, Kíria Serranegra de. "Híbridos orgânicos-inogânicos aminosilano-ácido ricinoleico /." Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/97933.

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Orientador: Sidney José Lima Ribeiro<br>Banca: Wagner Luiz Polito<br>Banca: Márcia Martinelli<br>Resumo: Novos híbridos orgânicos-inorgânicos, chamados de maneira geral de amidosis foram preparados a partir de ácido ricinoleico (AR) e 3-aminopropiltrietoxisilano (APTES) em duas razões estequiométricas APTES:AR diferentes (1:1 e 1:0,5). As amostras foram preparadas em tetrahidrofurano (THF) sob refluxo e caracterizadas por espectroscopia de absorção na região do infravermelho (FTIR) e ressonância magnética nuclear (RMN) de 13C, 1H e 29Si. Com essas análises foi possível confirmar a formação da
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2

Arruda, Kíria Serranegra de [UNESP]. "Híbridos orgânicos-inogânicos aminosilano-ácido ricinoleico." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/97933.

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Made available in DSpace on 2014-06-11T19:29:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-08-08Bitstream added on 2014-06-13T19:17:25Z : No. of bitstreams: 1 arruda_ks_me_araiq.pdf: 2574220 bytes, checksum: 68a7f567e03f6abfd85e6b5fce3c866e (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Novos híbridos orgânicos-inorgânicos, chamados de maneira geral de amidosis foram preparados a partir de ácido ricinoleico (AR) e 3-aminopropiltrietoxisilano (APTES) em duas razões estequiométricas AP
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3

Pacheco, Rodriguez Diana Marisol. "Aminosilane-functionalized cellulosic polymers for increased carbon dioxide sorption." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/42722.

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Improvement of the efficiency of carbon dioxide (CO2) separation from flue gases has been identified as a high-priority research area to reduce the total energy cost of carbon capture and sequestration technologies in coal-fired power plants. Efficient CO2 removal from flue gases by adsorption systems requires the design of novel sorbents capable of capturing, concentrating and recovering CO2 on a cost-effective basis. The preparation of a novel aminosilane-functionalized cellulosic polymer sorbent by grafting of aminosilanes showed promising performance for CO2 separation and capture. A strat
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4

Rodriguez-Fernandez, Oliverio S. "Aminosilane crosslinking of plasticised poly(vinylchloride) : processing, properties and characterization." Thesis, Loughborough University, 1994. https://dspace.lboro.ac.uk/2134/10881.

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The extensive use of Poly(vinyl chloride) (PVC) is partly due to the modification of properties which is possible by the addition of plasticizer. Although plasticized PVC is used at temperatures well above Tg, the properties are favourable and the material has a rubberlike behaviour. This is generally considered to be due to the presence of a physical network consisting of small crystallites. However, its service range is limited by its thermoplastic nature. At temperatures above 100 C it has a tendency to flow and to have a reduced mechanical strength. One way to increase the maximum temperat
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5

Grahn, Alexander. "Functionalization of Upsalite® by aminosilane deposition from gas phase." Thesis, Uppsala universitet, Oorganisk kemi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-298135.

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The use of desiccant materials is crucial in many applications, such as dehumidification rotors, in OLED screen and as desiccant materials in dish washers, for example. Upsalite® is a novel, anhydrous, micro-mesoporous, and large surface area structure consisting of amorphous magnesium carbonate which has been shown to exhibit a good water sorption capacity. Depending on the heat treatment of Upsalite® after synthesis, the material exhibits different sorption capacity and hydrolytic stability. Calcined Upsalite® has a higher sorption capacity compared to as-synthesized, but crystallizes into n
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6

Stein, Brigitte. "Synthese und Reaktivität von substituierten Germolen und Aminosilanen." Diss., lmu, 2006. http://nbn-resolving.de/urn:nbn:de:bvb:19-48388.

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7

Stein, Brigitte. "Synthese und Reaktivität von substituierten Germolen und Aminosilanen." [S.l.] : [s.n.], 2006. http://edoc.ub.uni-muenchen.de/archive/00004838.

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8

Han, Bing. "Prevention of Cathodic Delamination of Polyurethane from Titanium by Plasma Polymerized Silica/Aminosilane Primer Systems." University of Cincinnati / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1491558395253426.

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9

Kim, Jin Kyung. "Syntheses of Silanediol Amino acids and alpha-amino-alpha-alkylsilanediol precursors." Diss., Temple University Libraries, 2008. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/16809.

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Chemistry<br>Ph.D.<br>Two research projects are described: studies of the synthesis of alpha-amino-alpha-alkylsilanes, the synthetic precursor of silanediol-based protease inhibitors, and the synthesis and stability evaluation of silanediol amino acids with an unprecedently unhindered silanediol group. Two methods were investigated as approaches to alpha-amino-alpha-alkylsilanes. First, a silicon-substituted aziridine was chosen as the precursor of an alpha-amino-alpha-alkylsilane via ring opening reactions with carbon nucleophiles. Silyl-substituted aziridines 2-24 and 2-30 were prepared
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10

Jain, Rahul. "Formation of Aminosilane and Thiol Monolayers on Semiconductor Surfaces and Bulk Wet Etching of III--V Semiconductors." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/255196.

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Continuous scaling down of the dimensions of electronic devices has made present day computers more powerful. In the front end of line, the minimum lateral dimensions in a transistor have shrunk from 45 nm in 2007 to 22 nm currently, and the gate oxide film thickness is two to three monolayers. This reduction in dimensions makes surface preparation an increasingly important part of the device fabrication process. The atoms or molecules that terminate surfaces function as passivation layers, diffusion barriers, and nucleation layers. In the back end of line, metal layers are deposited to connec
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11

Silva, Erik dos Santos. "Efeito da incorpora??o de s?lica tratada com aminosilano nos nanocomp?sitos PMMA/SAN/S?lica." PROGRAMA DE P?S-GRADUA??O EM CI?NCIA E ENGENHARIA DE MATERIAIS, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/24640.

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12

Vernhet, Claude. "Aminosilanes en synthèse organique : silylamines bêta-acétyléniques fonctionnelles pour la synthèse d'hétérocycles azotés." Montpellier 2, 1991. http://www.theses.fr/1991MON20107.

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De nouvelles methodes de syntheses d'heterocycles azotes ont ete examinees au depart d'amines siliciees beta-acetyleniques. La reactivite de la triple liaison cc de ces molecules polyfonctionnelles a ete exploitee: hydrometallation, isomerisation et carbometallation. Les reactions de carbocupration d'amino-esters acetyleniques sont, en particulier, etudiees. Suivant les conditions (nature des reactifs, temperature), une carbometallation stereoselective, conduisant a des produits cis ou trans peut etre obtenue. Ces resultats sont interpretes par une addition cinetique syn, suivie d'isomerisatio
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13

Guichenuy, Marianne. "Enhancement of a thermoplastic powder coating through the incorporation of an aminosilane : aspects of interfacial chemistry and performance." Thesis, University of Surrey, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441703.

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14

WAGH, VIJAY HEMANT. "VAPOR PHASE SILANATION OF PLASMA-POLYMERIZED SILICA-LIKE FILMS BY 3-AMINOPROPYLTRIETHOXYSILANE." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1121884987.

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15

Geng, Bolin. "Aminosilanes en synthèse organique : réactifs organométalliques gamma-aminés pour les synthèses d'amines insaturées et d'hétérocycles azotés." Montpellier 2, 1992. http://www.theses.fr/1992MON20185.

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L'utilisation d'organometalliques insatures gamma-amines pour la preparation d'amines insatures et d'heterocycles azotes a ete etudiee. Dans une premiere partie, la stereochimie de la carbocupration d'amide, d'esters et de cetone acetyleniques gamma-aminees a ete examinee. Un choix approprie du substrat, du reactif et (ou) des conditions experimentales, permet de realiser des additions cis ou trans avec une selectivite elevee. Les reactions des vinyl cuivre intermediaires ont permis de realiser des syntheses courtes d'heterocycles azotes a 5 chainons. L'interet de ces reactions a ete illustre
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16

Serreau, Laurence. "Adsorption et lubrification de surfaces de silice par mélange silane-tensioactif." Paris 6, 2006. http://www.theses.fr/2006PA066084.

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17

Santos, Isabela Faria. "Síntese de nanopartículas de poli(3-hidroxibutirato-co-3-hidroxivalerato) modificadas com aminosilanos para aplicação em engenharia de tecidos." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/97/97136/tde-03122018-171414/.

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A Engenharia de Tecidos tem como objetivo desenvolver alternativas para o tratamento de doenças degenerativas e regeneração de tecidos lesionados. O princípio básico da Engenharia de Tecidos é promover o crescimento de células sobre um substrato. Esse substrato deve reproduzir a matriz extracelular, influenciando a diferenciação e as funções celulares. Para isso, neste trabalho, nanopartículas poliméricas de poli(3-hidroxibutirato-co- 3-hidroxivalerato) (PHBHV), com diferentes diâmetros hidrodinâmicos, foram sintetizadas pelo método de emulsão-evaporação do solvente. A concentração do surfacta
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18

Marcomini, André Luís. "Influência do tratamento superficial da nanocarga nas propriedades mecânicas de curta e longa duração de um nanocompósito de PEEK/nHA." Universidade Federal de São Carlos, 2014. https://repositorio.ufscar.br/handle/ufscar/7700.

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Submitted by Regina Correa (rehecorrea@gmail.com) on 2016-10-03T20:29:08Z No. of bitstreams: 1 DissALM.pdf: 4634927 bytes, checksum: b4342e384fd20c4250c5311fa696a2d5 (MD5)<br>Approved for entry into archive by Ronildo Prado (ronisp@ufscar.br) on 2016-10-05T13:52:20Z (GMT) No. of bitstreams: 1 DissALM.pdf: 4634927 bytes, checksum: b4342e384fd20c4250c5311fa696a2d5 (MD5)<br>Approved for entry into archive by Ronildo Prado (ronisp@ufscar.br) on 2016-10-05T13:52:30Z (GMT) No. of bitstreams: 1 DissALM.pdf: 4634927 bytes, checksum: b4342e384fd20c4250c5311fa696a2d5 (MD5)<br>Made available in DSpac
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19

Shin, Nara [Verfasser], Karl [Gutachter] Leo, Stefan [Gutachter] Mannsfeld, and Sebastian [Gutachter] Reineke. "Enhancement of n-channel Organic Field-Effect Transistor Performance through Surface Doping and Modification of the Gate Oxide by Aminosilanes / Nara Shin ; Gutachter: Karl Leo, Stefan Mannsfeld, Sebastian Reineke." Dresden : Technische Universität Dresden, 2019. http://d-nb.info/1230578196/34.

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20

Vasseur, Sébastien. "Synthèse, caractérisation et échauffement par induction de nanoparticules magnétiques hybrides à cœur La0. 75Sr0. 25MnO3 pour applications thermothérapeutiques en cancérologie." Bordeaux 1, 2007. http://www.theses.fr/2007BOR13462.

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La thermothérapie consiste à soigner un tissu cancéreux par la chaleur, par destruction directe de la tumeur (thermoablation) ou amélioration de traitements radiothérapeutiques ou chimiothérapeutiques (hyperthermie). Une des voies les plus prometteuses de thermothérapie consiste à utiliser l'échauffement de nanoparticules magnétiques La0. 75Sr0. 25MnO3 ont été synthétisées par voie Pechini. Ces nanoparticules présentent un échauffement magnétique autorégulé, c'est-à-dire que lorsque la température du milieu s'approche de leur température de Curie, les nanoparticules perdent leur capacité d'éch
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21

Shin, Nara. "Enhancement of n-channel Organic Field-Effect Transistor Performance through Surface Doping and Modification of the Gate Oxide by Aminosilanes." Doctoral thesis, 2019. https://tud.qucosa.de/id/qucosa%3A35131.

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In this these, in order to enhance the n-channel organic field-effect transistor (OFET) performance, amino functionalized self-assembled monolayers (A-SAMs) which consist of amino groups, a well-known n-type dopant candidate, were introduced from the top of OFET surfaces and on the gate oxide surfaces. To obtain better understanding for optimization of OFET performances we attempted to elucidate the mechanism of surface doping and surface modification by A-SAMs. Both the surface doping and surface modification of the gate oxide approaches have individual pros and cons. One needs to take into a
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22

Herbig, Marcus. "Reaktivität von CO2 gegenüber Si-N-Bindungen." 2020. https://tubaf.qucosa.de/id/qucosa%3A71500.

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Um die Insertionsreaktionen von CO2 in Si-N-Bidungen genauer zu erforschen wurden 122 Silicium-Verbindungen synthetisiert -- davon 56 erstmalig -- und umfassend strukturell charakterisiert. Wichtige Hinweise auf die Voraussetzungen für das Ablaufen der Insertion konnten aus den qualitativen und quantitativen Untersuchungen der Reaktion der Aminosilane mit CO2 gewonnen werden. Analoge Umsetzungen verschiedener Heteroallene mit einem ausgewählten Aminosilan gaben Einblicke über mögliche Teilschritte der Insertion. Experimentell bestimmte Reaktionsenthalpien der CO2-Insertion stehen in guter Über
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23

Chen, Li-Wei, and 陳立偉. "The Study of the Nanocontact Imprint with Aminosilane." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/67478770537361491874.

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24

Lin, Chun-Yi, and 林俊毅. "Adsorption Behavior of DNA on Aminosilane Self-Assembled Films." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/26214021952530099806.

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碩士<br>國立成功大學<br>化學工程學系碩博士班<br>93<br>A preparation process of a flat aminosilane self-assembled monolayer (SAM) on a glass substrate surface was established in the study. Surface morphology and wettability of the SAM were then investigated by atomic force microscopy (AFM) analysis and contact angle measurement, in order to evaluate the effects of various process parameters. The results demonstrated that after a glass substrate was treated with the established surface cleaning procedure, surface roughness of the substrate and contact angle of water on the substrate could be controlled within
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25

FU, LIANG-CHUN, та 傅亮淳. "Aminosilane Assisted Synthesis of Nanoparticles for Organic-Inorganic Perovskite Resistive Memory". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/6j2jkw.

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26

Stein, Brigitte [Verfasser]. "Synthese und Reaktivität von substituierten Germolen und Aminosilanen / Brigitte Stein." 2006. http://d-nb.info/978868366/34.

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