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ATR-FTIR spectroscopy and quantitative multivariate analysis of paints and coating materials

ATR-FTIR spectroscopy and quantitative multivariate analysis of paints and coating materials
ATR-FTIR spectroscopy and quantitative multivariate analysis of paints and coating materials
The applicability of ATR-FTIR spectroscopy with partial least squares (PLS) data analysis was evaluated for quantifying the components of mixtures of paint binding media and pigments, and alkyd resins. PLS methods were created using a number of standard mixtures. Validation and measurement uncertainty estimation was carried out. Binary, ternary and quaternary mixtures of several common binding media and pigments were quantified, with standard measurement uncertainties in most cases below 3g/100g. Classes of components - aromatic anhydrides and alcohols - used in alkyd resin synthesis were also successfully quantified, with standard uncertainties in the range of 2-3g/100g. This is a more demanding application because in alkyd resins aromatic anhydrides and alcohols have reacted to form a polyester, and are not present in their original forms. Once a PLS method has been calibrated, analysis time and cost are significantly reduced from typical quantitative methods such as GC/MS. This is beneficial in the case of routine analysis where the components are known.
ATR-FT-IR spectroscopy, Alkyd resins, Paint, Partial least squares, Quantitative analysis
1386-1425
207-213
Hayes, Philippa Alice
028acfba-0589-4c4f-b542-2ccdeccff41f
Vahur, Signe
889ee09e-a46c-4e99-ac6c-f1f1015ac32c
Leito, Ivo
39c9b976-43f0-445b-af1d-3006fba6c7af
Hayes, Philippa Alice
028acfba-0589-4c4f-b542-2ccdeccff41f
Vahur, Signe
889ee09e-a46c-4e99-ac6c-f1f1015ac32c
Leito, Ivo
39c9b976-43f0-445b-af1d-3006fba6c7af

Hayes, Philippa Alice, Vahur, Signe and Leito, Ivo (2014) ATR-FTIR spectroscopy and quantitative multivariate analysis of paints and coating materials. Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy, 133, 207-213. (doi:10.1016/j.saa.2014.05.058).

Record type: Article

Abstract

The applicability of ATR-FTIR spectroscopy with partial least squares (PLS) data analysis was evaluated for quantifying the components of mixtures of paint binding media and pigments, and alkyd resins. PLS methods were created using a number of standard mixtures. Validation and measurement uncertainty estimation was carried out. Binary, ternary and quaternary mixtures of several common binding media and pigments were quantified, with standard measurement uncertainties in most cases below 3g/100g. Classes of components - aromatic anhydrides and alcohols - used in alkyd resin synthesis were also successfully quantified, with standard uncertainties in the range of 2-3g/100g. This is a more demanding application because in alkyd resins aromatic anhydrides and alcohols have reacted to form a polyester, and are not present in their original forms. Once a PLS method has been calibrated, analysis time and cost are significantly reduced from typical quantitative methods such as GC/MS. This is beneficial in the case of routine analysis where the components are known.

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More information

Published date: 10 December 2014
Keywords: ATR-FT-IR spectroscopy, Alkyd resins, Paint, Partial least squares, Quantitative analysis
Organisations: Ocean and Earth Science

Identifiers

Local EPrints ID: 367640
URI: http://eprints.soton.ac.uk/id/eprint/367640
ISSN: 1386-1425
PURE UUID: cfb6c3fc-400b-43ac-9811-7a342a4c4452

Catalogue record

Date deposited: 04 Aug 2014 10:45
Last modified: 15 Jul 2019 21:49

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