Absorption and release of coating solvents by a thermoplastic polyolefin and effects on mechanical properties

Absorption and release of coating solvents by a thermoplastic polyolefin and effects on... This study treats the transport of solvents in a thermoplastic polyolefin (TPO) and influence on mechanical bulk properties. The selected substrate and solvents represent materials used in coatings on plastics. The swelling of TPO was found to depend on the temperature and, in accordance with Hansen’s concept of solubility, revealing the following order of swelling power for solvent types: aromatic hydrocarbons ≫ esters > alcohols. Absorption of TPO by the solvent xylene at 20 and 80°C allowed for the calculation of a diffusion coefficient. Complete release of xylene was found to last several months. Recovered TPO samples were of slightly lower weight, reduced E-modulus and tensile strength compared to the original state. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Coatings Technology and Research Springer Journals

Absorption and release of coating solvents by a thermoplastic polyolefin and effects on mechanical properties

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Publisher
Springer US
Copyright
Copyright © 2018 by American Coatings Association
Subject
Materials Science; Tribology, Corrosion and Coatings; Surfaces and Interfaces, Thin Films; Polymer Sciences; Industrial Chemistry/Chemical Engineering; Materials Science, general
ISSN
1547-0091
eISSN
1935-3804
D.O.I.
10.1007/s11998-017-0013-8
Publisher site
See Article on Publisher Site

Abstract

This study treats the transport of solvents in a thermoplastic polyolefin (TPO) and influence on mechanical bulk properties. The selected substrate and solvents represent materials used in coatings on plastics. The swelling of TPO was found to depend on the temperature and, in accordance with Hansen’s concept of solubility, revealing the following order of swelling power for solvent types: aromatic hydrocarbons ≫ esters > alcohols. Absorption of TPO by the solvent xylene at 20 and 80°C allowed for the calculation of a diffusion coefficient. Complete release of xylene was found to last several months. Recovered TPO samples were of slightly lower weight, reduced E-modulus and tensile strength compared to the original state.

Journal

Journal of Coatings Technology and ResearchSpringer Journals

Published: Jan 23, 2018

References

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