Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Guilhermino José Macedo Fechine"'
Publikováno v:
Polymers, Vol 15, Iss 9, p 2099 (2023)
This study aimed to investigate how an ultralow content of a molybdenum disulfide (MoS2) two-dimensional particle affects the photodegradation mechanism of polystyrene (PS). Here, an accelerated weathering study was presented on neat polystyrene and
Externí odkaz:
https://doaj.org/article/638bfd72d30e431d9a75efb39e15ca05
Autor:
Jaime Taha-Tijerina, Hélio Ribeiro, Karla Aviña, Juan Manuel Martínez, Anna Paula Godoy, Josué Marciano de Oliveira Cremonezzi, Milene Adriane Luciano, Marcos Antônio Gimenes Benega, Ricardo Jorge Espanhol Andrade, Guilhermino José Macedo Fechine, Ganguli Babu, Samuel Castro
Publikováno v:
Nanomaterials, Vol 10, Iss 6, p 1160 (2020)
In this paper, the thermal conductivity behavior of synthetic and natural esters reinforced with 2D nanostructures—single hexagonal boron nitride (h-BN), single molybdenum disulfide (MoS2), and hybrid h-BN/MOS2—were studied and compared to each o
Externí odkaz:
https://doaj.org/article/838888ddbb3c47a79b46f809734f4419
Autor:
Renate Maria Ramos Wellen, Marcelo Silveira Rabello, Inaldo Cesar Araujo Júnior, Guilhermino José Macedo Fechine, Eduardo Luis Canedo
Publikováno v:
Polímeros, Vol 25, Iss 3, Pp 296-304 (2015)
AbstractWe studied the crystallization and melting phenomena of poly (3- hydroxybutyrate) (PHB), a biodegradable and biocompatible semi-crystalline thermoplastic, obtained from renewable resources. Its high crystallinity motivated several studies on
Externí odkaz:
https://doaj.org/article/e4bf4a59be9f4b65a443a03415254841
Autor:
Luiz Henrique Cavalcante Damacena, Eder Henrique Coelho Ferreira, Hélio Ribeiro, Guilhermino José Macedo Fechine, Adriana Martinelli Catelli Souza
Publikováno v:
Polymer Composites.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77c35f6e30e305010a320fe73d49ee60
https://doi.org/10.1002/pc.27328
https://doi.org/10.1002/pc.27328
Autor:
André da Silva Siqueira, Natália Ferreira Braga, Pablo Andrés Riveros Muñoz, Lucas Freitas de Freitas, Aryel Heitor Ferreira, Guilhermino Jose Macêdo Fechine
Publikováno v:
eXPRESS Polymer Letters, Vol 18, Iss 6, Pp 656-672 (2024)
Extensive research and practical applications have been conducted within the biomaterials domain, focusing on polylactic acid (PLA) based composite. These composites have been explored for their favorable attributes, such as excellent processability,
Externí odkaz:
https://doaj.org/article/f4394f0a10f04a038293d9598f2ffef6
Autor:
Renate Maria Ramos Wellen, Eduardo Luís Canedo, Marcelo Silveira Rabello, Guilhermino José Macêdo Fechine
Publikováno v:
Materials Research, Vol 19, Iss 4, Pp 759-764 (2016)
The present work is concerned with the photodegradation and photostabilization of poly(3-hydroxybutyrate) (PHB) biopolymer. Two commercial grades of PHB were investigated, containing of 4.0% and 6.2% of hydroxyvalerate (HV) comonomer, named PHB1 and
Externí odkaz:
https://doaj.org/article/9b2862405f8e4e078d9c63af0f4e3c17
Autor:
Fernando dos Santos Peleias Junior, Carlos Alberto Zeituni, Maria Elisa Chuery Martins Rostelato, Guilhermino José Macêdo Fechine, Carla Daruich de Souza, Fábio Rodrigues de Mattos, Eduardo Santana de Moura, João Augusto Moura, Marcos Antônio Gimenes Benega, Anselmo Feher, Osvaldo Luiz da Costa, Bruna Teiga Rodrigues
Publikováno v:
Polímeros, Vol 25, Iss 3, Pp 317-325 (2015)
ResumoA Organização Mundial da Saúde (OMS) relata o câncer como uma das principais causas de morte no mundo. Uma modalidade de tratamento que vem sendo bastante utilizada no tratamento do câncer de próstata é a braquiterapia, que consiste na i
Externí odkaz:
https://doaj.org/article/ca93b29ed17c419786b8266d751c1eee
Autor:
Juliana França Marinho, Natália Ferreira Braga, Annelise Krohn, Fernanda Salviano Myata, Luiz Henrique Silveira, Abner Cabral Neto, Guilhermino José Macêdo Fechine
Publikováno v:
Polímeros, Vol 25, Iss 2, Pp 133-136 (2015)
A coupled device extruder and injection moulding were used to prepare biocomposites in order to provide a continuous and large-scale production, and overcome the fiber degradation inside the extruder. Two types of biocomposites were prepared, Sisal/p
Externí odkaz:
https://doaj.org/article/d72ab471b04e4cdbab224c745e25ddff
Publikováno v:
Química Nova, Vol 29, Iss 4, Pp 674-680 (2006)
Samples of polypropylene (PP) and low-density polyethylene (LDPE) were submitted to ultraviolet radiation, in the natural environment and also in the laboratory. Chemical modifications were quantified by the carbonyl index (CI), mechanical properties
Externí odkaz:
https://doaj.org/article/4b637c096815496683dbdc90b064861e
Publikováno v:
Polímeros, Vol 26, Iss 2, Pp 102-105
Abstract Poly (butylene adipate-co-terephthalate) - PBAT is a synthetic biodegradable polymer commonly used for plastic film production from neat polymer or nanocomposites. The PBAT is submitted to high temperatures and shear rate during its processi
Externí odkaz:
https://doaj.org/article/2325395f245241b5849b1c7bb7a37410