Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session A43: Polymer Crystallization from Classical to Functional Systems I
8:00 AM–11:00 AM,
Monday, March 5, 2018
LACC
Room: 503
Sponsoring
Unit:
DPOLY
Chair: Toshikazu Miyoshi, Akron Univ
Abstract ID: BAPS.2018.MAR.A43.3
Abstract: A43.00003 : Crystallization of Isotactic Poly(methyl methacrylate) Monolayer Observed by High-Resolution Atomic Force Microscopy in Real Time
8:48 AM–9:00 AM
Presenter:
Jiro Kumaki
(Department of Organic Materials Science, Yamagata University)
Authors:
Yuki Ono
(Department of Organic Materials Science, Yamagata University)
Jiro Kumaki
(Department of Organic Materials Science, Yamagata University)
We showed that a HR images could be attained by AFM using Langmuir-Blodgett (LB) films, which are suitable for observation by scanning probe microscopy (Kumaki, Polym. J., 48, 3 (2016)), and observed folded-chain crystals of an isotactic poly(methyl methacrylate) (it-PMMA) at the molecular level (Kumaki et al. , JACS 127, 5788 (2005)). If we used the it-PMMA LB film, the crystallization behavior could be visualized at the molecular level. However, if we apply a temperature jump for crystallization from an amorphous state, an unavoidable large thermal drift prevents the HR imaging.
Recently, we found that an it-PMMA monolayer deposited in the amorphous state crystallized under humid air at room temperature, and the crystallization was successfully followed by AFM at the molecular level in real time. We will discuss the various crystallization behaviors observed by the HR AFM.
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.A43.3
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