Search of pressure-induced liquid-liquid transitions in polymers

2015 Fiscal Year Final Research Report

• Project/Area Number: 24684032
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Biophysics/Chemical physics
• Research Institution: Keio University
• Principal Investigator: CHIBA Ayano 慶應義塾大学, 理工学部, 講師 (20424195)
• Project Period (FY): 2012-04-01 – 2016-03-31
• Keywords: 液体液体転移 / 高分子 / 高圧力 / 圧力誘起相転移 / 多孔性物質

Outline of Final Research Achievements

Phase transitions between crystalline structures are well known, and the changes of physical properties that accompanies the transitions have been extensively studied. Recently it has been widely accepted that even liquids can have several structures and there can be phase transitions between liquid structures. In this study, we aim to prove that there are such liquid-liquid phase transitions in polymer melts, and found pressure-induced structural changes in some polymer melts. We also tried to create two amorphous solids by one polymer, which are stable at room temperature and atmospheric pressure.

Free Research Field

液体