Zobrazeno 1 - 10
of 266
pro vyhledávání: '"Miguel A. Rodriguez-Perez"'
Autor:
Celia Garcia-Hernandez, Cristina Medina-Plaza, Cristina Garcia-Cabezon, Yolanda Blanco, Jose A. Fernandez-Escudero, Enrique Barajas-Tola, Miguel A. Rodriguez-Perez, Fernando Martin-Pedrosa, Maria L. Rodriguez-Mendez
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
The maturity of grapes is usually monitored by means of the sugar concentration. However, the assessment of other parameters such as the phenolic content is also important because the phenolic maturity has an important impact on the organoleptic char
Externí odkaz:
https://doaj.org/article/f142482bc93f48e19b823b071af5591d
Autor:
Mario Martin-Gallego, Emil Lopez-Hernandez, Javier Pinto, Miguel A. Rodriguez-Perez, Miguel A. Lopez-Manchado, Raquel Verdejo
Publikováno v:
Polymers, Vol 11, Iss 5, p 756 (2019)
Owing to their high strength and stiffness, thermal and environmental stability, lower shrinkage, and water resistance, epoxy resins have been the preferred matrix for the development of syntactic foams using hollow glass microspheres. Although these
Externí odkaz:
https://doaj.org/article/88bb5eb748b04cb99f4523db0bc28e9e
Publikováno v:
Materials, Vol 9, Iss 2, p 93 (2016)
This research analyzes the effects of different treatments on flax nonwoven (NW) fabrics which are intended for composite reinforcement. The treatments applied were of two different kinds: a wet/dry cycling which helps to stabilize the cellulosic fib
Externí odkaz:
https://doaj.org/article/f3fb3e61a2774055a2a9a0cb661ecc96
Publikováno v:
Polymers, Vol 13, Iss 14, p 2383 (2021)
A new approach to produce nanocellular polymers combining small cell sizes with low relative densities is presented herein. This production method, based on gas dissolution foaming, consists of performing a double saturation and foaming cycle. Thus,
Externí odkaz:
https://doaj.org/article/2c01057f120d49dda2bcc258ea61afb7
Publikováno v:
Nanomaterials; Volume 12; Issue 14; Pages: 2409
A family of transparent polyisocyanurate-polyurethane (PUR-PIR) aerogels with an interesting combination of physical properties were synthesized. First, their textural properties were analyzed aiming to study catalyst influence on the final porous st
Autor:
Ana Isabel Quilez-Molina, Violeta Hurtado-García, Suset Barroso-Solares, Miguel Ángel Rodriguez-Perez, Javier Pinto
Publikováno v:
EDULEARN Proceedings.
Autor:
Beatriz Merillas Valero, Alyne Lamy-Mendes, MIGUEL ANGEL RODRIGUEZ PEREZ, Luisa Durães, Fernando Villafañe
Publikováno v:
Gels; Volume 8; Issue 7; Pages: 392
In this work, silica aerogel composites reinforced with reticulated polyurethane (PU) foams have been manufactured having densities in the range from 117 to 266 kg/m3 and porosities between 85.7 and 92.3%. Two different drying processes were employed
Autor:
Beatriz Merillas Valero, MIGUEL ANGEL RODRIGUEZ PEREZ, Luisa Durães, João Pedro Vareda, Judith Martín-de León
Publikováno v:
Polymers. 14(13)
Nowadays, our society is facing problems related to energy availability. Owing to the energy savings that insulators provide, the search for effective insulating materials is a focus of interest. Since the current insulators do not meet the increasin
Autor:
Fernando Villafañe, Beatriz Merillas Valero, MIGUEL ANGEL RODRIGUEZ PEREZ, Judith Martín-de León
Publikováno v:
Nanomaterials; Volume 12; Issue 9; Pages: 1522
Highly transparent polyisocyanurate–polyurethane (PUR–PIR) aerogels were synthesized, and their optical properties were studied in detail. After determining the density and structural parameters of the manufactured materials, we analyzed their op
Publikováno v:
Polymers; Volume 14; Issue 9; Pages: 1807
Polyurethane foams with a hybrid structure between closed cell and open cell were fabricated and fully characterized. Sound absorption measurements were carried out in order to assess their acoustic performance at different frequency ranges. The cell