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Abstract:
In a study of heat-sealing of polyethylenes,
the T-peel fractured surfaces of bonded films
of ethylene/1-octene copolymers with different
1-octene contents were characterized using Atomic
Force Microscopy (AFM) and analyzed by fractal
analysis. The AFM images gave visual evidence
of a strong dependence on bonding temperature,
peel rate, and 1-octene content. This dependence
was demonstrated quantitatively by fractal analyses.
This presentation elucidates the full details
of this study.
Presenter:
Hailing
Yang, Institute for Advanced Learning and Research
Dr. Hailing
Yang is currently a research associate at the
Institute for Advanced Learning and Research in
Danville, Virginia. She received her BS from the
Polymer Chemical Engineering Department at Tianjin
University in 1996, and her PhD from the Department
of Chemistry at Virginia Tech in May 2006. From
1996 to 2000, she worked as a research assistant
at the National Research Institute of Silicone
in Chengdu, China. She joined Virginia Tech in
2001 and has been working in the multidisciplinary
field of adhesive and fracture science; her research
has included evaluating the heat-sealing of branched
polyethylenes and dynamic mechanical properties
of PSA in paper laminates for postage-stamp applications.
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