期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 130, 期 1, 页码 186-192出版社
WILEY
DOI: 10.1002/app.39153
关键词
biomaterials; elastomers; properties and characterization; mechanical properties; nanoparticles; nanowires and nanocrystals
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- Instituto Nacional de Eletronica Organica (INEO)
- NanoBioNet group
- NanoBioMed group
Natural rubber/gold nanoparticles membranes (NR/Au) were studied by ultrasensitive detection and chemical analysis through surface-enhanced Raman scattering and surface-enhanced resonance Raman scattering in our previous work (Cabrera et al., J. Raman Spectrosc. 2012, 43, 474). This article describes the studies of thermal stability and mechanical properties of SERS-active substrate sensors. The composites were prepared using NR membranes obtained by casting the latex solution as an active support (reducing/establishing agents) for the incorporation of colloidal gold nanoparticles (AuNPs). The nanoparticles were synthesized by in situ reduction at different times. The characterization of these sensors was carried out by thermogravimetry, differential scanning calorimetry, scanning electron microscopy (SEM) microscopy, and tensile tests. It is suggested an influence of nanoparticles reduction time on the thermal degradation of NR. There is an increase in thermal stability without changing the chemical properties of the polymer. For the mechanical properties, the tensile rupture was enhanced with the increase in the amount of nanoparticles incorporated in the material. (c) 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
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