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The surface tension of viscous polymers at high temperatures
Author(s) -
Hybart F. J.,
White T. R.
Publication year - 1960
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1960.070030717
Subject(s) - surface tension , polymer , polyamide , maximum bubble pressure method , materials science , opacity , bubble , composite material , polymer chemistry , tension (geology) , thermodynamics , mechanics , optics , ultimate tensile strength , physics
The maximum bubble pressure method for the determination of surface tension has been modified for use with thermally unstable, viscous, opaque polymers at high temperatures. A value of 35.1 dynes/cm. was obtained for nylon 66 at 285°C. The order of this value and those for other polymers has been compared with the values for simpler compounds. Further evidence for the persistence of association between polyamide molecules in the molten state is presented.

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