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Dive into the research topics where Cesar Henrique Wanke is active.

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Featured researches published by Cesar Henrique Wanke.


Journal of Polymer Research | 2015

Effects of POSS addition on Non-isothermal crystallization and morphology of PVDF

Johnny De Nardi Martins; Otávio Bianchi; Cesar Henrique Wanke; Charles Dal Castel; Ricardo Vinicius Bof de Oliveira

The influence of polyhedral oligomericsilsesquioxane (POSS) content on the rheological behavior, non-isothermal crystallization behavior, and on crystal morphology of the poly(vinylidene fluoride) nanocomposites prepared through melt blending were investigated in this work. Rheological analysis showed that the POSS additiondecreased viscosity as compared to pure PVDF and induced a deviation in the liquid-like behavior predict by Einstein Suspension Sphere Law. The addition of POSS into PVDF promoted chances in the crystallization behavior. The crystallization was slower in the nanocomposite with higher POSS content due to the diluent effect of POSS in this system. Small angle X-ray scattering (SAXS) patterns showed a small increasing in the lamellar region of PVDF. The amorphous region increases significantly with POSS addition. The interface between the crystalline and amorphous region remains practically unchanged.


Scientia cum Industria | 2017

Implantação de Íons de Nitrogênio em PMMA Através de uma Fonte Kaufman

Cristian Padilha Fontoura; Cesar Henrique Wanke; Cesar Aguzzoli

A modificacao de superficies e uma tecnica que a engenharia tem feito uso ha muito tempo, para melhoria de propriedades em materiais. O poli metil-metacrilato (PMMA), por ser um material de constante uso em aplicacoes biomedicas, exige que sua superficie apresente caracteristicas favoraveis a adesao celular e compatibilidade com tecidos. Os polimeros, de uma maneira geral, quando submetidos a tratamentos em plasma, tendem a formar grupos funcionais que alteram propriedades opticas, quimicas, fisicas e de biocompatibilidade. Em funcao disso, este trabalho propos realizar a funcionalizacao de substratos de PMMA atraves da fonte de ions Kaufman. Amostras de PMMA foram submetidas ao feixe de ions de nitrogenio gerado pela fonte Kaufman, em diversas condicoes. A caracterizacao foi feita pelas tecnicas de GD-OES, FTIR e EDS. Ficou comprovado, atraves do perfil de concentracao de nitrogenio obtido por GD-OES, que a quantidade de nitrogenio na superficie aumenta gradativamente com o tempo de implantacao e a potencia. Outro indicio foi a analise em FTIR, que mostrou presenca de aminas nas faixas entre 1654-655 cm-1 e 3300-3700 cm-1. A analise em EDS, porem, comprovou tambem a presenca de ferro e cromo, agentes citotoxicos, que precisam ser eliminados para a continuidade dos trabalhos. http://dx.doi.org/10.18226/23185279.v5iss1p31


Journal of Non-crystalline Solids | 2015

Preparation and characterization of polyhedral oligomeric silsesquioxane (POSS) using domestic microwave oven

Igor Penso; Eduardo A. Cechinatto; Giovanna Machado; Caroline Luvison; Cesar Henrique Wanke; Otávio Bianchi; Márcio R.F. Soares


Journal of Applied Polymer Science | 2016

Structure and properties relationship of melt reacted polyamide 6/malenized soybean oil

Juliano Roberto Ernzen; Fabrício Bondan; Caroline Luvison; Cesar Henrique Wanke; Johnny De Nardi Martins; Rudinei Fiorio; Otávio Bianchi


Surface & Coatings Technology | 2016

Antibacterial properties obtained by low-energy silver implantation in stainless steel surfaces

Fernando G. Echeverrigaray; S. Echeverrigaray; A.P.L. Delamare; Cesar Henrique Wanke; C.A. Figueroa; I.J.R. Baumvol; Cesar Aguzzoli


Journal of Applied Polymer Science | 2015

Synthesis and characterization of the polyols by air oxidation of soybean oil and its effect on the morphology and dynamic mechanical properties of poly(vinyl chloride) blends

Pedro Antônio Ourique; Jérôme M. L. Gril; Gaëlle W. Guillaume; Cesar Henrique Wanke; Sergio Echeverrigaray; Otávio Bianchi


Journal of Applied Polymer Science | 2017

Preparation and characterization of the ethylene-vinyl acetate copolymer partially hydrolyzed assisted by microwave radiation

Matheus Moresco Paradinha; Fernanda Trindade Gonzalez Dias; Cesar Henrique Wanke; Júnia Capua de Lima Novello; Eduardo Cesar Tondo; Johnny De Nardi Martins; Otávio Bianchi


Polymer Testing | 2016

Effects of POSS vertex group on structure, thermal and mechanical properties of PMMA/POSS hybrid materials

Cesar Henrique Wanke; Denise Pozzo; Caroline Luvison; Israel Krindges; Cesar Aguzzoli; Márcio R.F. Soares; Otávio Bianchi


Scientia cum Industria | 2014

Low Energy Ion Implanting of Silver Ion in Titanium

Fernanda Elisa Demore Palandi; Fernando G. Echeverrigaray; Cesar Henrique Wanke; C.A. Figueroa; I.J.R. Baumvol; Cesar Aguzzoli


Progress in Organic Coatings | 2017

Synthesis, properties, and applications of hybrid polyurethane–urea obtained from air-oxidized soybean oil

Pedro Antônio Ourique; Israel Krindges; Cesar Aguzzoli; C.A. Figueroa; Javier I. Amalvy; Cesar Henrique Wanke; Otávio Bianchi

Collaboration


Dive into the Cesar Henrique Wanke's collaboration.

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Otávio Bianchi

University of Caxias do Sul

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Cesar Aguzzoli

University of Caxias do Sul

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C.A. Figueroa

University of Caxias do Sul

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Caroline Luvison

University of Caxias do Sul

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I.J.R. Baumvol

Universidade Federal do Rio Grande do Sul

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Israel Krindges

University of Caxias do Sul

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A.P.L. Delamare

University of Caxias do Sul

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