FERREIRA, L. A. A. P.; FERREIRA, Leila Aparecida Alvim de Paula.
Résumé:
This research has the objective the physical chemical, morphological and structural
evaluation of Polyvinyl Chloride (PVC) bags for blood filling and hemocomponentes.
The samples from national and imported blood bags used for this research were
selected through ANVISA database from blood bags regularly released by that. The
PVC blood bags were characterized by Fourier transform Infrared (FTIR), X-ray
Diffraction (XRD), optical microscopy (OM), scanning electron microscopy (SEM),
energy dispersed spectroscopy X-ray (EDS), Atomic Force Microscopy (AFM) and
Mechanical Testing. The analyses were performed on Biomaterial development and
evaluation lab (CERTBIO). On Fourier transform Infrared (FTIR) it was observed that
all components show chemical similarity. On XRD was noticed that the samples have
showed a semi crystalline characteristics. On OM and SEM it was noticed that the
sample has a smooth side and other with sprinkles on surface. ON EDS assay it was
observed conformity on chemical compounds identified as well as on their strength. It
demonstrates that blood bags follow the same composition criteria. Based on
mechanical tests results for both manufacturers, the blood bags without
anticoagulant showed less deformation compared to blood bags with anticoagulant.
All bags showed viscoelastic material behavior. Thus, we can conclude that all
characterization tests used in this study were relevant to assessing the quality of the
bags that are used as containers of blood and its components existing on the market,
considering the general and specific requirements established in rules and
regulations.