The calorimetric glass transition of free standing polystyrene thin films

Yung P. Koh; Gregory B. McKenna; Sindee L. Simon

The calorimetric glass transition of free standing polystyrene thin films

Yung P. Koh, Gregory B. McKenna, Sindee L. Simon

Chemical Engineering

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Abstract

The absolute heat capacity and the glass transition are measured for stacked polystyrene thin films using the step scan differential scanning calorimetric (DSC) method. We find that the absolute heat capacity in both the glass and liquid states decreases with decreasing film thickness and that the T ^g also decreases with decreasing film thickness. The results indicate that an understanding of T _g at the nanoscale is elusive.

Original language	English
Pages	1506-1509
Number of pages	4
State	Published - 2006
Event	Society of Plastics Engineers Annual Technical Conference 2006, ANTEC 2006 - Charlotte, NC, United States Duration: May 7 2006 → May 11 2006

Conference

Conference	Society of Plastics Engineers Annual Technical Conference 2006, ANTEC 2006
Country	United States
City	Charlotte, NC
Period	05/7/06 → 05/11/06

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title = "The calorimetric glass transition of free standing polystyrene thin films",

abstract = "The absolute heat capacity and the glass transition are measured for stacked polystyrene thin films using the step scan differential scanning calorimetric (DSC) method. We find that the absolute heat capacity in both the glass and liquid states decreases with decreasing film thickness and that the T g also decreases with decreasing film thickness. The results indicate that an understanding of T g at the nanoscale is elusive.",

author = "Koh, {Yung P.} and McKenna, {Gregory B.} and Simon, {Sindee L.}",

year = "2006",

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T1 - The calorimetric glass transition of free standing polystyrene thin films

AU - Koh, Yung P.

AU - McKenna, Gregory B.

AU - Simon, Sindee L.

PY - 2006

Y1 - 2006

N2 - The absolute heat capacity and the glass transition are measured for stacked polystyrene thin films using the step scan differential scanning calorimetric (DSC) method. We find that the absolute heat capacity in both the glass and liquid states decreases with decreasing film thickness and that the T g also decreases with decreasing film thickness. The results indicate that an understanding of T g at the nanoscale is elusive.

AB - The absolute heat capacity and the glass transition are measured for stacked polystyrene thin films using the step scan differential scanning calorimetric (DSC) method. We find that the absolute heat capacity in both the glass and liquid states decreases with decreasing film thickness and that the T g also decreases with decreasing film thickness. The results indicate that an understanding of T g at the nanoscale is elusive.

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Y2 - 7 May 2006 through 11 May 2006

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