Abstract

AbstractThe environmental scanning electron microscope was used in conjunction with a heating stage to study in situ the polymerization process in the manufacturing of filter papers for the automotive industry. The images obtained from the video recording were converted into TIFF format with a computer program and were then analyzed using an image analyzer to assess the percentage shrinkage during the cure process. These experiments yield valuable information that is impossible to obtain with other electron microscopy techniques, for example, determining whether the polymer envelops the fibers or not, or whether there is a greater or lesser degree of anchoring between fibers.

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