Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Eduardo Luís Canedo"'
Publikováno v:
Polímeros, Vol 29, Iss 1 (2019)
Abstract Nonisothermal crystallization and melting of the biodegradable thermoplastics poly(3-hydroxybutyrate) (PHB), poly(butylene adipate-co-terephthalate) (PBAT), and a 1:1 PHB/PBAT blend were investigated by differential scanning calorimetry (DSC
Externí odkaz:
https://doaj.org/article/0d618c8a8a884d9aa33262917414c512
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:
Renate Maria Ramos Wellen, Eduardo Luís Canedo, Camila Augusta Ventura Lima, Inaldo Cesar Araújo Júnior, Yêda Medeiros Bastos de Almeida, Marcelo Silveira Rabello
Publikováno v:
Materials Research, Vol 18, Iss 2, Pp 235-239 (2015)
Mechanical properties, morphology and nonisothermal crystallization of poly(3-hydroxybutyrate) (PHB) and blends of PHB and polystyrene (PS) were studied by tensile tests, scanning electron microscopy (SEM) and differential scanning calorimetry (DSC).
Externí odkaz:
https://doaj.org/article/1e333f191e0846f9a83fd33d4df24483
Autor:
Rômulo Freitas Farias, Eduardo Luís Canedo, Renate Maria Ramos Wellen, Marcelo Silveira Rabello
Publikováno v:
Materials Research, Vol 18, Iss 2, Pp 258-266 (2015)
Environmental stress cracking (ESC) is one of the most important causes of polymer premature failure, occurring when a combination of mechanical load and an aggressive fluid is applied. The phenomenon is well know by polymer producers and product des
Externí odkaz:
https://doaj.org/article/e7cf25d8eb9b4573966dbc2097dc541e
Autor:
Daniella Stepheny Carvalho Andrade, Eduardo Luís Canedo, Laura Hecker de Carvalho, Renata Barbosa, Tatianny Soares Alves
Publikováno v:
Materials Research
Abstract Polymer processing parameters may considerably affect final product characteristic as, if properly chosen, these parameters may lead to products with optimal properties. The aim of this work is to evaluate the rheological characteristics of
Externí odkaz:
https://doaj.org/article/cfdce14ee32a4eed81b6e0752a385273
Autor:
Salim Abdelnor Arruda, Jokderléa Correa de Sousa, Juliana Cisneiros Lima, Maria do Bom Conselho Vitorino, Eduardo Luis Canedo, Yêda Medeiros Bastos de Almeida
Publikováno v:
Materials Research, Vol 21, Iss 5 (2018)
PHB has interesting features such as biodegradability, sustainability and durability. However, it has a high cost, in addition to being hard, brittle and thermally unstable during processing. Therefore, it was found convenient to study the crystalliz
Externí odkaz:
https://doaj.org/article/06ba9d0eb96a4e5682d98e3bb2a2f316
Autor:
Nichollas Guimarães Jaques, Ingridy Dayane dos Santos Silva, Manoel da Cruz Barbosa Neto, Andreas Ries, Eduardo Luis Canedo, Renate Maria Ramos Wellen
Publikováno v:
Polímeros, Iss 0 (2018)
Abstract Compounds of poly(3-hydroxybutyrate) (PHB) and titanium dioxide (TiO2) with filler content between 1% and 10% were prepared in a laboratory internal mixer. The effect of heating and cooling rates on the crystallization and melting of PHB/TiO
Externí odkaz:
https://doaj.org/article/2f999ab0320542a6a190ca4c5bd80e09
Autor:
Hanniman Denizard Cosme Barbosa, Bárbara Fernanda Figueiredo dos Santos, Albaniza Alves Tavares, Rossemberg Cardoso Barbosa, Marcus Vinícius Lia Fook, Eduardo Luis Canedo, Suédina Maria de Lima Silva
Publikováno v:
International Journal of Chemical Engineering, Vol 2018 (2018)
The aim of this study was to develop an inexpensive apparatus for fabricating microspheres, based on chitosan, for 5-fluorouracil (5-FU) controlled release. Chitosan microspheres were prepared by precipitation method and the effects of manufacturing
Externí odkaz:
https://doaj.org/article/4859c349565446279a7c5dba3bca29e3
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
Publikováno v:
Polímeros, Vol 24, Iss 3, Pp 307-313 (2014)
A inflamabilidade de nanocompósitos com três tipos de polipropileno (homo e copolímeros) contendo 5% de argila montmorilonita organofílica (Cloisite 20A), 5 e 15% de polipropileno enxertado com anidrido maleico como agente compatibilizante e 0, 0
Externí odkaz:
https://doaj.org/article/d358d93697c2418b9c1d0c6a069688d5