FT-IR internal reflection study of migration and surface segregation of carboxylic acids in butadiene-styrene

D. Bieliński; P. Głąb; L. Ślusarski

Published : 2022-09-01

Vol. 49 No. 10 (2004)

FT-IR internal reflection study of migration and surface segregation of carboxylic acids in butadiene-styrene

D. Bieliński P. Głąb L. Ślusarski

Abstract

The subject of our study was kinetics of migration and surface segregation of linear aliphatic carboxylic acids (11-18 C atoms) in butadiene--styrene rubber (SBR). The iteration procedure has been proposed for determination of thickness of acid's surface layer formed as a result of segregation as well as for determination of acid diffusion coefficient. With the aim of determining these kinetic curves of migration FT-IR IRS spectra analyses have been used. Differences in final thickness of surface layer of particular acids (after 24 h) have been explained on the basis of differences in their solubility in SBR at temperature of spectroscopic measurement equal to 23 °C.

Keywords

kauczuk butadienowo-styrenowy ; liniowe alifatyczne kwasy karboksylowe ; kwasy karboksylowe ; rozpuszczalność ; kinetyka dyfuzji ; warstwa wierzchnia ; spektroskopia FTIR butadiene-styrene rubber ; linear aliphatic carboxylic acids ; solubility ; diffusion kinetics ; surface layers ; FTIR spectroscopy

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Bieliński, D., Głąb, P., & Ślusarski, L. (2022). FT-IR internal reflection study of migration and surface segregation of carboxylic acids in butadiene-styrene. Polimery, 49(10), 706–711. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1803

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D. Bieliński polimery@ichp.pl

Affiliation
Technical University of Łódź, Institute of Polymers, ul. Stefanowskiego 12/16, 90-924 Łódź

P. Głąb

Affiliation
Technical University of Łódź, Institute of Polymers, ul. Stefanowskiego 12/16, 90-924 Łódź

L. Ślusarski

Affiliation
Technical University of Łódź, Institute of Polymers, ul. Stefanowskiego 12/16, 90-924 Łódź