Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Humberto Vázquez-Torres"'
Publikováno v:
Polímeros, Vol 20, Iss 4, Pp 287-294 (2010)
En este trabajo se estudió el efecto de la adición del termoplástico lineal polifenilsulfona (PPSU), sobre la cinética de reacción y las propiedades térmicas de una resina epoxídica basada en diglicidil éter de bisfenol - A (DGEBA), curada co
Externí odkaz:
https://doaj.org/article/ccf89f4d0e764a6ab75c4769f3164683
Autor:
Jorge Alberto Granados-Olvera, Jose Antonio Arcos-Casarrubias, José M. Cervantes-Uc, Asdrúbal J. Cedeño, Humberto Vázquez-Torres
Publikováno v:
Polymer Bulletin. 79:2871-2901
There is a great number of reports with the aim to reduce the inherent brittleness of epoxy resins through their modification with different types of reacting and non-reacting additives, in order to diversify their applications. In this work, the tou
Autor:
Paulina Varguez-Catzim, Wilberth Herrera-Kao, Rita Sulub-Sulub, Humberto Vázquez-Torres, Moisés Alcaraz Calderón, Manuel Aguilar-Vega, Maria Ortencia González-Díaz
Publikováno v:
Reactive and Functional Polymers. 183:105490
Autor:
Keiko Shirai, Humberto Vázquez-Torres, Mariana Quintana-Quirino, Gabriel Vigueras Ramírez, Cindy Morales-Osorio
Publikováno v:
Process Biochemistry. 82:1-9
The polyurethane foam (PUF) allowed the growth of Gluconacetobacter xylinus for prompt production of bacterial cellulose (BC) due to high water storage capacity that let high water activity, as well as diffusion of oxygen through the PUF pores. PUF w
Autor:
C E Belman-Flores, A. May-Pat, Humberto Vázquez-Torres, Wilberth Herrera-Kao, Nayeli Rodríguez-Fuentes, A.I. Oliva, José M. Cervantes-Uc, R.F. Vargas-Coronado, Juan V. Cauich-Rodríguez
Publikováno v:
Journal of Materials Science: Materials in Medicine. 31
In this work, pH-sensitive hydrogel nanoparticles based on N-isopropyl acrylamide (NIPAM) and methacrylic acid (MAA) at various molar ratios, were synthesized and characterized in terms of physicochemical and biological properties. FTIR and 1HNMR spe
Autor:
Eduardo Vivaldo-Lima, María de los Ángeles Vargas-Hernández, José Alfredo Tenorio-López, Humberto Vázquez-Torres, Juan José Benvenuta-Tapia
Publikováno v:
Thermochimica Acta. 667:93-101
A kinetic study of the copolymerization of styrene (S) and maleic anhydride (MA) in the presence of dibenzyl trithiocarbonate (DBTTC) as RAFT agent monitored by differential scanning calorimetry, is presented. The results obtained indicate that the p
Autor:
Maria Ortencia González-Díaz, Manuel Aguilar-Vega, Mikhail G. Zolotukhin, Humberto Vázquez-Torres, Rita Sulub-Sulub, Wilberth Herrera-Kao
Publikováno v:
Industrial & Engineering Chemistry Research. 57:8989-8996
A novel series of aromatic polyamides was synthesized by postpolymerization modification using a simple strategy to introduce different bulky pendant groups into a precursor polymer. The polyamides possess high thermostability with Tg values in the r
Autor:
Ismael Bustos-Jaimes, Lenin Tamay de Dios, Keiko Shirai, Humberto Vázquez-Torres, Erika Ruvalcaba, Andres Espadín, Cristina Velasquillo, Josefina Valadez-García, Miquel Gimeno
Publikováno v:
Carbohydrate Polymers. 181:684-692
A nano-composite from biologically obtained chitin nanofillers homogenously dispersed in a poly(ε-caprolactone) matrix was successfully achieved by an ultrasonication-assisted non-toxic and non-aqueous methodology. For this purpose, biological chiti
Autor:
Humberto Vázquez-Torres, Wilberth Herrera-Kao, M. I. Loría-Bastarrachea, José M. Cervantes-Uc, Yamile Pérez-Padilla, Juan V. Cauich-Rodríguez
Publikováno v:
Polymer Bulletin. 75:4191-4205
Thermal degradation of three biodegradable polyesters: poly(caprolactone), poly(lactic acid), and poly(hydroxybutyrate), was studied by thermogravimetry coupled to Fourier Transform Infrared Spectroscopy TGA/FTIR before and after they were partially
Autor:
José M. Hernández-Alcántara, L. C. Ordóñez, Eduardo Vivaldo-Lima, Alberto Rosas-Aburto, Pedro Roquero, Jesús Díaz-Sánchez, Miquel Gimeno, Humberto Vázquez-Torres, Isabel Gracia-Mora
Publikováno v:
Synthetic Metals. 223:43-48
An effective polyaniline-based electrochromic device was successfully achieved using the enzyme-mediated poly (gallic acid) as a polyaniline polymerization template. Poly (gallic acid) proved non-toxic upon the conducted cytotoxicity assays. Thermogr