Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Edcleide Maria Araujo"'
Autor:
Rene Anisio Paz, Edcleide Maria Araujo, Luiz Antônio Pessan, Tomas Jeferson Alves Melo, Amanda Damião Leite, Vanessa da Nobrega Medeiros
Publikováno v:
Materials Research, Vol 15, Iss 4, Pp 506-509 (2012)
Nanocomposites of polymer/clay have had much attention in recent years, particularly those developed with layered silicates due to the need of engineering materials more efficient than pure polymers for certain applications. The level of exfoliation
Externí odkaz:
https://doaj.org/article/4b20bcda996741c7a2dfaf303b48e484
Autor:
Amanda Melissa Damião Leite, Edcleide Maria Araujo, Rene Anisio da Paz, Osanildo Damião Pereira, Hélio Lucena Lira, Edson Noriyuki Ito
Publikováno v:
Materials Research, Vol 12, Iss 2, Pp 165-168 (2009)
Recent interest in polymer/organoclays nanocomposites systems is motivated by the possibility of achieving enhanced properties and added functionality at lower clay loading as compared to conventional micron size fillers. By adding montmorillonite cl
Externí odkaz:
https://doaj.org/article/73dcac1cc9d74de9915f6a729eccc40d
Autor:
Valmar da Silva Severiano Sobrinho, Thercio Henrique de Carvalho Costa, Michelle Cequeira Feitor, Maxwell Santana Libório, Rômulo Ribeiro Magalhães de Sousa, Álvaro Albueno da Silva Linhares, Pâmala Samara Vieira, Luciano Lucas Fernandes Lima, Cleânio da Luz Lima, Edcleide Maria Araújo
Publikováno v:
ACS Omega, Vol 9, Iss 50, Pp 49849-49856 (2024)
Externí odkaz:
https://doaj.org/article/e774e0dcfe7b41c6a5a14ecb1cdb4e38
Autor:
Rafael Agra Dias, Vanessa da Nóbrega Medeiros, Bárbara Ianny Arruda Silva, Edcleide Maria Araújo, Hélio de Lucena Lira
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2020)
The aim of this work was to prepare hollow fiber membrane changing the composition of polyethersulfone, polyvinylpyrrolidone (PVP) and clay, through the phase inversion technique, evaluating the influence of these constituents on the viscosity and di
Externí odkaz:
https://doaj.org/article/eb0b978f234a498bb1ecc5febc5687d0
Autor:
Danilo Diniz Siqueira, Carlos Bruno Barreto Luna, Edcleide Maria Araújo, Edson Antônio dos Santos Filho, Dayanne Diniz de Souza Morais, Renate Maria Ramos Wellen
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2020)
Biodegradable Poly (ɛ-caprolactone) (PCL) was compounded with Brasgel PA (MMT) and Cloisite Na (CLNa), and compatibilized with maleic anhydride grafted poly(ɛ-caprolactone) (PCL-g-MA). No evidence of degradation was verified during processing, as w
Externí odkaz:
https://doaj.org/article/f4bdd28794a841cab513f857a1c09818
Autor:
Rodholfo Silva Barbosa Ferreira, Caio Henrique do Ó Pereira, Edson Antônio dos Santos Filho, Amanda Melissa Damião Leite, Edcleide Maria Araújo, Hélio de Lucena Lira
Publikováno v:
Materials Research, Vol 20, Iss suppl 1, Pp 117-125 (2018)
Membranes of polyamide 6 and its nanocomposites with 3 and 5% of clay were obtained by the phase inversion method using distilled water and solvent as the coagulation bath, 10 and 30% of acid was used, in order to change the membranes morphology/poro
Externí odkaz:
https://doaj.org/article/91f99ce5722441529b23f0390853585f
Autor:
Josiane Dantas Viana Barbosa, Joyce Batista Azevedo, Edcleide Maria Araújo, Bruna Aparecida Souza Machado, Katharine Valéria Saraiva Hodel, Tomas Jefferson Alves de Mélo
Publikováno v:
Polímeros, Vol 29, Iss 3 (2019)
Abstract The objective of this study was to develop bionanocomposites from blends of poly(lactic acid) (PLA) and poly(butylene adipate-co-terephthalate) (PBAT) and from 3% and 6% bentonite clay. Initially, the bentonite clay was treated with Praepage
Externí odkaz:
https://doaj.org/article/b394001a8f7b4bb5892b31c67d9692b7
Autor:
Rodholfo da Silva Barbosa Ferreira, Sandriely Sonaly Lima Oliveira, Aline Florindo Salviano, Edcleide Maria Araújo, Amanda Melissa Damião Leite, Hélio de Lucena Lira
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
Polyethersulfone (PES) hollow fiber membranes were produced, containing 3% of two types of clay (Brasgel PA - MMT and Cloisite NA - CLNa), in order to modify the characteristics of the polyethersulfone membrane. By means of the X-ray diffraction, it
Externí odkaz:
https://doaj.org/article/4c44b2e35f8049548c1e52bff6a9f80a
Autor:
Eduardo da Silva Barbosa Ferreira, Caio Henrique do Ó Pereira, Edcleide Maria Araújo, Elieber Barros Bezerra, Danilo Diniz Siqueira, Renate Maria Ramos Wellen
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
In this work, compounds based on two grades of polypropylene (PP), i.e., PP H503 or PP H103 with residues of Big bag fabrics (RBB) were processed in a corrotational twin screw extruder with RBB content ranging from 10% to 50% of the weight. Then, the
Externí odkaz:
https://doaj.org/article/8dad2c2561f44dc78c89794042062881
Autor:
Suelem Sonaly Lima Oliveira, Sandriely Sonaly Lima Oliveira, Rodholfo da Silva Barbosa Ferreira, Hélio de Lucena Lira, Lisiane Navarro de Lima Santana, Edcleide Maria Araújo
Publikováno v:
Materials Research, Vol 22, Iss suppl 1 (2019)
The development of ceramic membranes with different geometries and compositions extends the possibilities of industrial applications, inducing advantages in terms of increased permeability, membrane area by volume module and chemical, thermal and mec
Externí odkaz:
https://doaj.org/article/8c3a43a2f2ae44ec973a3c298c24ad8d