| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2014: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2013: ¥8,060,000 (Direct Cost: ¥6,200,000、Indirect Cost: ¥1,860,000)
Fiscal Year 2012: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
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| Outline of Final Research Achievements |
At the outermost surface, aggregation states of polymers generally tend to alter to their most stable ones in response to their surrounding environment. Such could be attained even at a temperature being much lower than the bulk glass transition temperature. Chains at the outermost region are in part dissolved in the liquid phase and/or swollen due to the sorption of liquid molecules. Combining various surface sensitive experimental techniques, we have found that there exists the mobility gradient along the direction normal to the interface. The α process arisen form the segmental motion in the interfacial region is faster than the bulk β process at a given temperature. The extent of the surface reorganization might be explained in terms of the interfacial energy. Regulating the polymer mobility at the interface, the platelet adhesion on the polymer film can be controlled.
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