Modeling of Complex Viscosity Changes in the Curing of Epoxy Resins from Near-Infrared Spectroscopy and Multivariate Regression Analysis

The present study investigates the relationship between the changes in complex viscosity and near-infrared spectra. Principal component regression analysis is applied to a near-infrared data set obtained from the in situ monitoring of the curing of diglycidyl ether of bisphenol A with the diamine 4,...

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Veröffentlicht in:	Applied spectroscopy 2004-12, Vol.58 (12), p.1424-1430
Hauptverfasser:	Garrido, M., Larrechi, M. S., Rius, F. X.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer Simulation Epoxy Resins - analysis Epoxy Resins - chemistry Hardness Hardness Tests - methods Kinetics Models, Chemical Multivariate Analysis Regression Analysis Spectrophotometry, Infrared - methods Viscosity
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container_title	Applied spectroscopy
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creator	Garrido, M. Larrechi, M. S. Rius, F. X.
description	The present study investigates the relationship between the changes in complex viscosity and near-infrared spectra. Principal component regression analysis is applied to a near-infrared data set obtained from the in situ monitoring of the curing of diglycidyl ether of bisphenol A with the diamine 4,4′-diaminodiphenylmethane. The values of complex viscosity obtained by dynamic mechanical analysis during the cure process were used as a reference. The near-infrared spectra recorded throughout the reaction, unlike the univariate data analysis at some wavelengths of the spectra, contain a sufficient amount of information to estimate the complex viscosity. The relationship found was high and the results demonstrate the quality of the fitted model. Also, a simple user-friendly procedure for applying the model, focused on the user, is shown.
doi_str_mv	10.1366/0003702042641335
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S. ; Rius, F. X.</creator><creatorcontrib>Garrido, M. ; Larrechi, M. S. ; Rius, F. X.</creatorcontrib><description>The present study investigates the relationship between the changes in complex viscosity and near-infrared spectra. Principal component regression analysis is applied to a near-infrared data set obtained from the in situ monitoring of the curing of diglycidyl ether of bisphenol A with the diamine 4,4′-diaminodiphenylmethane. The values of complex viscosity obtained by dynamic mechanical analysis during the cure process were used as a reference. The near-infrared spectra recorded throughout the reaction, unlike the univariate data analysis at some wavelengths of the spectra, contain a sufficient amount of information to estimate the complex viscosity. The relationship found was high and the results demonstrate the quality of the fitted model. 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S.</creatorcontrib><creatorcontrib>Rius, F. X.</creatorcontrib><title>Modeling of Complex Viscosity Changes in the Curing of Epoxy Resins from Near-Infrared Spectroscopy and Multivariate Regression Analysis</title><title>Applied spectroscopy</title><addtitle>Appl Spectrosc</addtitle><description>The present study investigates the relationship between the changes in complex viscosity and near-infrared spectra. Principal component regression analysis is applied to a near-infrared data set obtained from the in situ monitoring of the curing of diglycidyl ether of bisphenol A with the diamine 4,4′-diaminodiphenylmethane. The values of complex viscosity obtained by dynamic mechanical analysis during the cure process were used as a reference. The near-infrared spectra recorded throughout the reaction, unlike the univariate data analysis at some wavelengths of the spectra, contain a sufficient amount of information to estimate the complex viscosity. 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X.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-82332960d58f47e8adcece3c46a3cf15202daf75e34878f22d3e218b8d34ec033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Algorithms</topic><topic>Computer Simulation</topic><topic>Epoxy Resins - analysis</topic><topic>Epoxy Resins - chemistry</topic><topic>Hardness</topic><topic>Hardness Tests - methods</topic><topic>Kinetics</topic><topic>Models, Chemical</topic><topic>Multivariate Analysis</topic><topic>Regression Analysis</topic><topic>Spectrophotometry, Infrared - methods</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Garrido, M.</creatorcontrib><creatorcontrib>Larrechi, M. S.</creatorcontrib><creatorcontrib>Rius, F. 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X.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modeling of Complex Viscosity Changes in the Curing of Epoxy Resins from Near-Infrared Spectroscopy and Multivariate Regression Analysis</atitle><jtitle>Applied spectroscopy</jtitle><addtitle>Appl Spectrosc</addtitle><date>2004-12</date><risdate>2004</risdate><volume>58</volume><issue>12</issue><spage>1424</spage><epage>1430</epage><pages>1424-1430</pages><issn>0003-7028</issn><eissn>1943-3530</eissn><abstract>The present study investigates the relationship between the changes in complex viscosity and near-infrared spectra. Principal component regression analysis is applied to a near-infrared data set obtained from the in situ monitoring of the curing of diglycidyl ether of bisphenol A with the diamine 4,4′-diaminodiphenylmethane. The values of complex viscosity obtained by dynamic mechanical analysis during the cure process were used as a reference. 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subjects	Algorithms Computer Simulation Epoxy Resins - analysis Epoxy Resins - chemistry Hardness Hardness Tests - methods Kinetics Models, Chemical Multivariate Analysis Regression Analysis Spectrophotometry, Infrared - methods Viscosity
title	Modeling of Complex Viscosity Changes in the Curing of Epoxy Resins from Near-Infrared Spectroscopy and Multivariate Regression Analysis
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