scholarly journals Thermal Expansion of Supported Thin Polymer Films:  A Direct Comparison of Free Surface vs Total Confinement

2001 ◽  
Vol 34 (9) ◽  
pp. 3041-3045 ◽  
Author(s):  
Darrin J. Pochan ◽  
Eric K. Lin ◽  
Sushil K. Satija ◽  
Wen-li Wu
Keyword(s):  
Thermal Expansion ◽  
Free Surface ◽  
Polymer Films ◽  
Thin Polymer Films ◽  
Thin Polymer

Glass transition behaviour of thin polymer films coated on the 3D networks of porous CNT sponges

2020 ◽  
Vol 22 (37) ◽  
pp. 21297-21306
Author(s):  
Min Wang ◽  
Jiapeng Zhang ◽  
Shenglin Zhou ◽  
Zhaohui Yang ◽  
Xiaohua Zhang
Keyword(s):  
Glass Transition ◽  
Free Surface ◽  
Polymer Films ◽  
Polymer Chains ◽  
Polymer Substrate ◽  
Thin Polymer Films ◽  
Substrate Interface ◽  
Thin Polymer ◽  
Transition Behaviour ◽  
3D Networks

The influence of the coexistence of a free surface and a polymer–substrate interface on the glass transition behaviour of polymer chains on CNT sidewalls.

Mechanical Property Determination for Supported Polymer Films using Double Bending Beams

1986 ◽  
Vol 76 ◽  
Author(s):  
B. J. Han ◽  
H. M. Tong ◽  
K. Saenger ◽  
Carl C. Gryte
Keyword(s):  
Mechanical Properties ◽  
Thermal Expansion ◽  
Polymer Films ◽  
Coefficient Of Thermal Expansion ◽  
Elastic Stiffness ◽  
Thin Polymer Films ◽  
Thin Polymer ◽  
Wet Processing ◽  
Beam Technique ◽  
Different Young’S Modulus

ABSTRACTA double-bending-beam technique has been developed to determine the mechanical properties (e.g., the elastic stiffness parameter and the in-plane coefficient of thermal expansion) of thin polymer films during thermal cycling. The mechanical properties of poly(methyl methacrylate) and a polyimide have been determined from the combined stress-temperature relationships of identical polymer films coated on two rigid beams (each with a distinctly different Young's modulus and coefficient of thermal expansion). The measured mechanical properties were found to agree with data obtained using conventional techniques. The double-bending-beam technique can be applied to a wide variety of dry and wet processing situations involving thin polymer films.

Is the chain dynamics in thin polymer films isotropic ?

2000 ◽  
Vol 10 (PR7) ◽  
pp. Pr7-233-Pr7-237 ◽  
Author(s):  
S. Rivillon ◽  
P. Auroy ◽  
B. Deloche
Keyword(s):  
Polymer Films ◽  
Thin Polymer Films ◽  
Chain Dynamics ◽  
Thin Polymer
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