ISO 11358-1-2014.pdf
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1、 ISO 2014Plastics Thermogravimetry(TG)of polymers Part 1:General principlesPlastiques Thermogravimtrie(TG)des polymres Partie 1:Principes gnrauxINTERNATIONAL STANDARDISO11358-1First edition2014-07-15Reference numberISO 11358-1:2014(E)Copyright International Organization for Standardization Provided
2、by IHS under license with ISO Licensee=University of Alberta/5966844001,User=ahmadi,rozitaNot for Resale,01/26/2015 09:54:28 MSTNo reproduction or networking permitted without license from IHS-,-,-ISO 11358-1:2014(E)ii ISO 2014 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2014All rights reser
3、ved.Unless otherwise specified,no part of this publication may be reproduced or utilized otherwise in any form or by any means,electronic or mechanical,including photocopying,or posting on the internet or an intranet,without prior written permission.Permission can be requested from either ISO at the
4、 address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel.+41 22 749 01 11Fax+41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandCopyright International Organization for Standardization Provided by IHS under
5、license with ISO Licensee=University of Alberta/5966844001,User=ahmadi,rozitaNot for Resale,01/26/2015 09:54:28 MSTNo reproduction or networking permitted without license from IHS-,-,-ISO 11358-1:2014(E)ISO 2014 All rights reserved iiiContents PageForeword.iv1 Scope.12 Normative references.13Termsan
6、ddefinitions.14 Principle.25 Apparatus.26 Test specimen preparation.26.1 General.26.2 Test specimens from finished products.36.3 Test specimen conditioning.36.4 Test specimen mass.37 Calibration.37.1 Mass calibration.37.2 Temperature calibration.38 Procedure.48.1 General.48.2 Temperature scanning mo
7、de.48.3 Isothermal mode.59 Expression of results.59.1 Graphical representation.59.2 Determination of increase in mass.59.3 Determination of loss in mass.610 Test report.8Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=University of Alberta/596
8、6844001,User=ahmadi,rozitaNot for Resale,01/26/2015 09:54:28 MSTNo reproduction or networking permitted without license from IHS-,-,-ISO 11358-1:2014(E)ForewordISO(the International Organization for Standardization)is a worldwide federation of national standards bodies(ISO member bodies).The work of
9、 preparing International Standards is normally carried out through ISO technical committees.Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee.International organizations,governmental and non-governmental,in
10、 liaison with ISO,also take part in the work.ISO collaborates closely with the International Electrotechnical Commission(IEC)on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Dir
11、ectives,Part 1.In particular the different approval criteria needed for the different types of ISO documents should be noted.This document was drafted in accordance with the editorial rules of the ISO/IEC Directives,Part 2(see www.iso.org/directives).Attention is drawn to the possibility that some o
12、f the elements of this document may be the subject of patent rights.ISO shall not be held responsible for identifying any or all such patent rights.Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations
13、 received(see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,as well as information about ISOs
14、adherence to the WTO principles in the Technical Barriers to Trade(TBT)see the following URL:Foreword-Supplementary informationThe committee responsible for this document is ISO/TC 61,Plastics,Subcommittee SC 5,Physical chemical properties.This first edition of ISO 11358-1 cancels and replaces ISO 1
15、1358:1997,which has been technically revised.The main changes are:a)addition of ISO 472 to the Normative references clause and removal of definitions specified therein;b)revision of apparatus specifications.ISO 11358 consists of the following parts,under the general title Plastics Thermogravimetry(T
16、G)of polymers:Part 1:General principles Part 2:Determination of activation energy Part 3:Determination of the activation energy using the Ozawa-Friedman plot and analysis of the reaction kinetics iv ISO 2014 All rights reservedCopyright International Organization for Standardization Provided by IHS
17、under license with ISO Licensee=University of Alberta/5966844001,User=ahmadi,rozitaNot for Resale,01/26/2015 09:54:28 MSTNo reproduction or networking permitted without license from IHS-,-,-INTERNATIONAL STANDARD ISO 11358-1:2014(E)Plastics Thermogravimetry(TG)of polymers Part 1:General principles1
18、ScopeThis part of ISO 11358 specifies general conditions for the analysis of polymers using thermogravimetric techniques.It is applicable to liquids or solids.Solid materials may be in the form of pellets,granules or powders.Fabricated shapes reduced to appropriate specimen size may also be analysed
19、 by this method.Thermogravimetry can be used to determine the temperature(s)and rate(s)of decomposition of polymers,and to measure at the same time the amounts of volatile matter,additives and/or fillers they contain.The thermogravimetric measurements may be carried out in dynamic mode(mass change v
20、ersus temperature or time under programmed conditions)or isothermal mode(mass change versus time at constant temperature).Thermogravimetric measurements may also be carried out using different testing atmospheres,e.g.to separate decomposition in an inert atmosphere from oxidative degradation.2 Norma
21、tive referencesThe following documents,in whole or in part,are normatively referenced in this document and are indispensable for its application.For dated references,only the edition cited applies.For undated references,the latest edition of the referenced document(including any amendments)applies.I
22、SO 291,Plastics Standard atmospheres for conditioning and testingISO 472,Plastics VocabularyISO 11357-1,Plastics Differential scanning calorimetry(DSC)Part 1:General principles3 TermsanddefinitionsFor the purposes of this document,the terms and definitions given in ISO 472 and the following apply.3.
23、1dynamic mass-change determinationtechnique for recording the variation of the mass of a test specimen with temperature T which is changing at a programmed rate3.2isothermal mass-change determinationtechnique for recording the variation of the mass of a test specimen with time t at constant temperat
24、ure T3.3Curie temperaturetemperature at which a ferromagnetic material passes from the ferromagnetic state to the paramagnetic state or vice versa ISO 2014 All rights reserved 1Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=University of Albe
25、rta/5966844001,User=ahmadi,rozitaNot for Resale,01/26/2015 09:54:28 MSTNo reproduction or networking permitted without license from IHS-,-,-ISO 11358-1:2014(E)4 PrincipleA test specimen is heated at specified rates with a controlled temperature programme,and the change in mass is measured as a funct
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