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The majority of minerals present in natural rubber are associated with the macrogel: An ICP‐MS and SEM/EDX investigation
Author(s) -
Rolere Sébastien,
Char Christine,
Taulemesse Jean Marie,
Bergeret Anne,
SainteBeuve Jérôme,
Bonfils Frédéric
Publication year - 2016
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.43062
Subject(s) - mineral , electron microprobe , scanning electron microscope , inductively coupled plasma mass spectrometry , natural rubber , magnesium , mineralogy , potassium , inductively coupled plasma , microanalysis , sulfur , analytical chemistry (journal) , chemistry , mass spectrometry , materials science , nuclear chemistry , environmental chemistry , metallurgy , chromatography , composite material , plasma , organic chemistry , physics , quantum mechanics
The mineral composition of the insoluble (macrogel) and soluble fractions of two natural rubber (NR) samples made from the latex of two different clones (RRIM600 from Thailand and GT1 from Côte d'Ivoire) was determined using inductively coupled plasma mass spectrometry (ICP‐MS). The ICP‐MS results showed that mineral elements were concentrated in the macrogel. The major mineral elements found in macrogel were phosphorus, magnesium, potassium, and sulfur. Some mineral elements were mostly concentrated in micron‐sized mineral aggregates, visible at the surface of the samples using scanning electron microscopy coupled with an energy dispersive X‐ray microanalyzer (SEM/EDX). The nature of these mineral aggregates was found to be highly variable. Their inhomogeneous distribution in the macrogel indicates that these aggregates do not have a major influence on macrogel structure. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016 , 133 , 43062.