br Acknowledgements The authors thank the framework agreemen

Acknowledgements The authors thank the framework agreement between the Universidad Nacional de Colombia and Universidad de los Andes (Bogotá, Colombia) under which this work was carried out. They also wish to thank the Bank of the Republic of Colombia and Project 3580 for funding this research.
Data In this work, we provide the data obtained for photocurable polyacrylate-based composites filled with hydrophobized nanosilica, both before the polymerization, namely formulation viscosity, and after curing, that is the scanning abscisic acid microscopy (SEM) visualization of the their free and fractured surfaces. We estimate the bulk Poisson׳s ratio for these samples, as well. The validation of this study can be found in Ref. [1]. The data presented herein illustrates the effects of monomer-nanosilica interactions on system viscosity, quality of nanosilica dispersion in polymer matrices, and Poisson effect for polymeric nanocomposites with selected filler loadings.
Experimental design, materials and methods
Acknowledgements Hubert Gojzewski acknowledges The Ministry of Science and Higher Education in Poland for the Project Mobilnosc Plus no. 650/MOB/2011/0 and the stipend Stypendium dla wybitnych mlodych naukowcow. This work was supported by the Research Projects of Poznan University of Technology03/32/DSPB/0704 and 06/62/DSPB/2173. The SEM support by Rona Pitschke is gratefully appreciated.
Data Experimental details are described in Ref. [1]. The data presented here are related to three-layer films (PA/tie/PE) with different layouts and composition, as specified in Table 1. In these data, the effects of relative layer thickness and clay type on transport and mechanical properties of the films were investigated. A comprehensive picture of the effects of both the organoclay type and processing conditions on the multilayer films’ performances, the increments in oxygen and water vapor barrier as well as stiffness increments for the nanocomposite films, respect to the corresponding neat systems, is shown in Fig. 1. The graph evidences that the coextruded films with the thinner nanocomposite layer (S2-C and S2-D) and, in particular, the system filled with C30B, display the most significant increment in stiffness and oxygen barrier properties, whereas the multilayer films with D43B (S1-D and S2-D) show the most interesting water vapor barrier performances. Table 2 reports the overall migration values in rectified olive oil (CEN method EN 1186-4:2002) of selected multilayer films. The overall migration data obtained for the multilayer films tested in this work were always significantly lower than the legislation limit of 10 mg/dm2[2–4].
Experimental design, materials and methods
Data Metal-matrix-composites allow overcoming the specific limitations of metallic and ceramic materials by blending their typically mutually exclusive property profiles. Knowledge based design of the composites requires, depending on the desired property profile and application, the choice of suitable metallic matrices and particles characterized by their intrinsic properties. In the following table the intrinsic properties (melting point, bulk modulus (B), shear modulus (G), Young׳s modulus (E), density, hardness, Poisson׳s ratio and structure/space group) of different types of phases (borides, carbo-borides, carbides, oxides, nitrides and intermetallics) are compiled from literature sources. The reference for each value or range of values is listed next to it on the right. Unless specified otherwise, values were assumed to have been determined experimentally as specifications are in most cases not given in the listed references. Densities determined by X-ray diffraction (XRD) are enclosed in curved brackets . Theoretically determined values are marked with a star *. Furthermore, the main selection criteria brittleness (expressed by the B/G ratio; B/G values below 1.75 are considered to represent ‘more brittle’ compounds [1]) and specific modulus (i.e. the E/density ratio) have been derived. If more than one value is given for E and density of a compound, i.e. several values from one reference or diverging values from different references, the E/density ratio is given as a range. In case of several values listed for B and G, the determined B/G ratio was chosen conservatively using the lowest B and highest G value, respectively (Table 1).