• Nenhum resultado encontrado

Polímeros vol.25 número6

N/A
N/A
Protected

Academic year: 2018

Share "Polímeros vol.25 número6"

Copied!
8
0
0

Texto

Imagem

Figure 1. Schematic view of a single screw extruder for obtaining pellets of plasticized PAN.
Figure 3. FT-IR spectra of (a) extruded PAN co-VA fibers and (b) commercial PAN co VA fibers obtained by wet spinning process having  composition of 94%/mass of AN and 6%/mass of VA.
Figure 4. Cross section SEM images of fracture morphologies of extruded PAN co-VA fibers.
Figure 5a shows a longitudinal surface view of the  extruded PAN co-VA fibers. The polymer fibrils are oriented  preferably in the direction parallel to the longitudinal axis  of the fiber
+2

Referências

Documentos relacionados

The presence of oxygen inside the DSC pan has an inhibiting effect (at the same temperature, the samples polymerized in oxygen atmosphere have a longer induction time than the

Figure 3 represents the FTIR spectra of synthetic aluminosilicate and natural aluminosilicate (metakaolin), while Figure 4 shows the spectra of synthetic aluminosilicate

O paciente evoluiu no pós-operatório imediato com progressão de doença em topografia do tumor primário (figura1), sendo encaminhado ao Oncobeda em janeiro de 2017

In this study, thermogravimetric analysis (TGA), differential thermal analysis (DTA) and differential scanning calorimetry (DSC) were used to achieve the following objectives:

The proposed architecture, designated by ADACOR (Adaptive and Cooperative Control Architecture for Distributed Manufacturing Systems), is based on a set of

To have an insight on the effect of UV irradiation treatment on thermal properties of unfilled BMU133 and its traced blends, DSC and TGA analyses were carried out.. The results

The principal peak must be related to most exothermic event and the secondary one occurs at the same temperature range observed to BZN crystallization in Figure 1.. Hence it

According to DSC analysis, PAni exothermic peaks are associated to cross-linking reactions during the annealing process, as observed by Cheng (2002). his author attests that..