Chemometric methods for studying the effects of chemicals on cellulose pyrolysis by thermogravimetry-mass spectrometry

Pappa, A; Mikedi, K; Tzamtzis, N; Statheropoulos, M

dc.contributor.author	Pappa, A	en
dc.contributor.author	Mikedi, K	en
dc.contributor.author	Tzamtzis, N	en
dc.contributor.author	Statheropoulos, M	en
dc.date.accessioned	2014-03-01T01:18:45Z
dc.date.available	2014-03-01T01:18:45Z
dc.date.issued	2003	en
dc.identifier.issn	0165-2370	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/15178
dc.subject	Cellulose	en
dc.subject	Chemometrics	en
dc.subject	DR	en
dc.subject	Forest fire retardants	en
dc.subject	PCA	en
dc.subject	TG-MS	en
dc.subject.classification	Chemistry, Analytical	en
dc.subject.classification	Spectroscopy	en
dc.subject.other	Carbon dioxide	en
dc.subject.other	Cellulose	en
dc.subject.other	Dehydration	en
dc.subject.other	Flame retardants	en
dc.subject.other	Mass spectrometry	en
dc.subject.other	Principal component analysis	en
dc.subject.other	Thermogravimetric analysis	en
dc.subject.other	Volatile organic compounds	en
dc.subject.other	Chemometric methods	en
dc.subject.other	Pyrolysis	en
dc.subject.other	Carbon Dioxide	en
dc.subject.other	Cellulose	en
dc.subject.other	Dehydration	en
dc.subject.other	Flame Retardants	en
dc.subject.other	Gravimetry	en
dc.subject.other	Pyrolysis	en
dc.subject.other	Thermal Analysis	en
dc.title	Chemometric methods for studying the effects of chemicals on cellulose pyrolysis by thermogravimetry-mass spectrometry	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/S0165-2370(02)00063-3	en
heal.identifier.secondary	http://dx.doi.org/10.1016/S0165-2370(02)00063-3	en
heal.language	English	en
heal.publicationDate	2003	en
heal.abstract	Chemometric methods were used for extracting information out of the mixture mass spectra recorded in a thermogravimetric-mass spectrometric (TG-MS) analysis. Principal Component Analysis (PCA) and Discriminant Rotation (DR) were applied for studying the effects of fire retardants on the gases evolved during thermal degradation of cellulose. The chemicals (NH4)(2)SO4, (NH4)(2)HPO4 and a commercial retardant (Fire Trol) were used as fire retardants. PCA and DR resulted in four factors discriminating between untreated cellulose and cellulose treated with fire retardants. For the interpretation of the factors the rotated discriminant spectra were used. For estimating the effects of the fire retardants, the score plot in the first two discriminants space was used. It was shown that in all cases the retardation action was based on various factors such as: the increase of CO2 evolution produced by dehydration of cellulose, the relative decrease of very flammable volatile products (carbonyl compounds, reduced furans and pyranone derivatives) and the increase of levoglucosenone produced by dehydration of levoglucosan. A differentiation between the effects of (NH4)(2)SO4 and the other two retardants was also observed and it concerned mainly the production of phenol derivatives and acetic acid. (C) 2002 Elsevier Science B.V. All rights reserved.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Journal of Analytical and Applied Pyrolysis	en
dc.identifier.doi	10.1016/S0165-2370(02)00063-3	en
dc.identifier.isi	ISI:000181495500002	en
dc.identifier.volume	67	en
dc.identifier.issue	2	en
dc.identifier.spage	221	en
dc.identifier.epage	235	en