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You searched for: Author "Fernández, M. Dolores" Remove constraint Author: "Fernández, M. Dolores" Subject thermal stability Remove constraint Subject: thermal stability Subject plasticizers Remove constraint Subject: plasticizers
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1. Study on the effect of graphene and glycerol plasticizer on the properties of chitosan-graphene nanocomposites via in situ green chemical reduction of graphene oxide

Author:
Fernández, M. Dolores,   et al.   ; Cobos, Mónica; González, Bernardina; Fernández, M. Jesús;     Show all 4 Authors
Source:
International journal of biological macromolecules 2018 v.114 pp. 599-613
ISSN:
0141-8130
Subject:
Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; ascorbic acid; chemical reduction; chitosan; crystal structure; electrical conductivity; glycerol; graphene; graphene oxide; mechanical properties; nanocomposites; nuclear magnetic resonance spectroscopy; plasticizers; reducing agents; scanning electron microscopy; thermal stability; transmission electron microscopy; ultraviolet-visible spectroscopy
Abstract:
... Unplasticized and glycerol plasticized chitosan/graphene (CS/GS) nanocomposites were synthesized via in situ chemical reduction of graphene oxide sheets (GO) with l-ascorbic acid (L-AA) as reductant by solution casting. The reduction of GO with L-AA was investigated to establish the optimal amount of reductant required to produce chemically reduced graphene sheets (GS). The combine effect of both ...
DOI:
10.1016/j.ijbiomac.2018.03.129

2. Effect of polyhedral oligomeric silsesquioxane (POSS) derivative on the morphology, thermal, mechanical and surface properties of poly(lactic acid)-based nanocomposites

Author:
Fernández, M. Dolores,   et al.   ; Fernández, M. Jesús; Cobos, Mónica;     Show all 3 Authors
Source:
Journal of materials science 2016 v.51 no.7 pp. 3628-3642
ISSN:
0022-2461
Subject:
X-ray diffraction; contact angle; differential scanning calorimetry; glass transition temperature; hydrophobicity; melting; nanocomposites; nanoparticles; plasticizers; polylactic acid; silicon; tensile strength; thermal stability; thermogravimetry; transmission electron microscopy
Abstract:
... In this study, poly(L-lactic acid)/polyhedral oligomeric silsesquioxane derivatives nanocomposites (PLLA/POSS) were prepared using solution casting. Three different POSS molecules, two amino-POSS derivatives with different nonreactive organic substituents attached to the corner silicon atoms (aminopropylheptaisobutyl-POSS, APIBPOSS, and aminopropylheptaisooctyl-POSS, APIOPOSS) and a PLLA-g-POSS or ...
DOI:
10.1007/s10853-015-9686-5