Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Virginia Mansanares Giacon"'
Autor:
Mírian Dayse Lima Zau, Raimundo Pereira de Vasconcelos, Virginia Mansanares Giacon, Francisco Antônio Rocco Lahr
Publikováno v:
Polímeros, Vol 24, Iss 6, Pp 726-732 (2014)
O beneficiamento de toras de madeira produz uma grande quantidade de resíduos, em torno de 60%, os quais em geral são aproveitados na geração de energia com a produção de cinzas e fuligem, ou dispostos em locais inadequados, gerando um problema
Externí odkaz:
https://doaj.org/article/a90afa3c393c4a8e8b08ee2b26ffebea
Publikováno v:
Polímeros, Iss 0 (2017)
Abstract A method to produce thin layer of PMMA (poly (methyl methacrylate) films by spin coating is reported. PMMA is dissolved in xylene, a mixture of MIBK-xylene and chloroform. Varying the PMMA concentration and spin-coating speeds controls the t
Externí odkaz:
https://doaj.org/article/faa10045704240bc846358b5ecaa0a06
Autor:
Hilton Eduardo de Oliveira Neto, Cristina Gomes da Silva, Lizandro Manzato, Juliana dos Santos Carneiro da Cunha, Virginia Mansanares Giacon
Publikováno v:
Fibers and Polymers. 22:3203-3211
Amazon region found abundant vegetal fibers with diversified properties to the application. Tucum and malva fibers regularly obtained in this region were applied as reinforcement in the polymeric biomatrix and as a substitute for synthetic materials.
Autor:
Luiz Matheus Abecassis Ferreira Brito, Edgar A. Sanches, Viviane Siqueira Magalhães Rebelo, Gabrielle Machado dos Santos, Juliano Fiorelli, Gabriel Messias Medeiros de Melo, Virginia Mansanares Giacon, Ângela Mari dos Santos Costella
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Natural fiber has been an attractive alternative as reinforcement in polymeric composites. However, their physical properties can be impaired due to the hydrophilic behavior of the vegetal fibers: the weak bonds at the interface fiber/matrix emerge d
Autor:
Rosinaldo Rabelo Aparício, Gabrielle Machado dos Santos, Viviane Siqueira Magalhães Rebelo, Virgínia Mansanares Giacon, Cristina Gomes da Silva
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract The use of castor oil in producing polyurethane resins has been identified as one of the most promising options for the industry. The piassava fibers waste generated by the industry on a large scale presents excellent properties as a reinfor
Externí odkaz:
https://doaj.org/article/96f4b2d786694380b790016d9929fda7
Autor:
Tércio Elyan Azevedo Martins, Andressa Costa de Oliveira, Ursulandréa Sanches Abelan, Maria Valéria Robles Velasco, Érica Savassa Pinto Cacoci, Cibele Rosana Ribeiro de Castro Lima, Virginia Mansanares Giacon
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Background Essential oils have great interest among the increasing demand for herbal cosmetics in the market. They are natural sources of biologically active ingredients due to the wide application of such compounds as well as their particular chemic
Autor:
Noam G. da Silva, Kelson M.T. Oliveira, Bianca de A. Feitosa, Virginia Mansanares Giacon, Wagner M. Picanço, Greta T.A. Silva, Sérgio Michielon de Souza, Edgar A. Sanches, Pedro Henrique Campelo
Publikováno v:
Journal of Molecular Structure. 1167:118-126
The goal of this paper is to report a systematic structural and morphological characterization of PANI-ES/nano-SiO2 hybrid composite, which was synthesized in the bulk form by surface modification of nano-SiO2 particles through in situ polymerization
Autor:
Virginia Mansanares Giacon, Lucieta Guerreiro Martorano, Andrezza de Melo Barbosa, Viviane Siqueira Magalhães Rebelo
Publikováno v:
Matéria (Rio de Janeiro) v.24 n.3 2019
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 24, Issue: 3, Article number: e12435, Published: 16 SEP 2019
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro), Volume: 24, Issue: 3, Article number: e12435, Published: 16 SEP 2019
RESUMO Na Amazônia, o principal potencial de contribuição para os Objetivos de Desenvolvimento Sustentável (ODS), está no aproveitamento de resíduos da agroindústria para uso na construção civil, como alternativa de novos materiais sustentá
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02ea6015fcce408658ed6a2d1b8905e3
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000300347
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1517-70762019000300347
Autor:
Viviane Siqueira Magalhães Rebelo, Yuri da Silva, Romildo Dias Toledo Filho, Virginia Mansanares Giacon, Saulo Rocha Ferreira
Publikováno v:
Polímeros v.29 n.1 2019
Polímeros (São Carlos. Online)
Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
Polímeros, Vol 29, Iss 1 (2019)
Polímeros (São Carlos. Online)
Associação Brasileira de Polímeros (ABPol)
instacron:ABPO
Polímeros, Vol 29, Iss 1 (2019)
The objective of this work was to investigate the effects of mercerization on chemical, morphological and thermal properties of Amazon Piassava Fibers. The effect of this treatment was studied using XRF, SEM, XRD and TGA. The fibers have been treated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5afa4922355250f30937292716c22e08
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282019000100401
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0104-14282019000100401
Autor:
Edgar A. Sanches, Suzan X. Lima, Adriano de Souza Carolino, Ana L. F. Rocha, Virginia Mansanares Giacon, Pedro Henrique Campelo, Larissa Medeiros de Oliveira, Matheus Moraes Biondo, Yurimiler Leyet Ruiz, Juliana Pereira da Silva
Publikováno v:
Journal of Molecular Structure. 1205:127588
Poly(o-methoxyanilines) (POMA) were chemically synthesized using different dopant acids to obtain the polymers POMA/HCl, POMA/HNO3, POMA/H2SO4 and POMA/H3PO4. The nature and size of the counterions influenced considerably on the structural, morpholog