BS ISO 28343-2010 Rubber compounding ingredients Process oils Determination of glass transition temperature by DSC《橡胶配合剂 工艺用油 用差示扫描量热法测定玻璃转化温度》.pdf
《BS ISO 28343-2010 Rubber compounding ingredients Process oils Determination of glass transition temperature by DSC《橡胶配合剂 工艺用油 用差示扫描量热法测定玻璃转化温度》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 28343-2010 Rubber compounding ingredients Process oils Determination of glass transition temperature by DSC《橡胶配合剂 工艺用油 用差示扫描量热法测定玻璃转化温度》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 28343:2010Rubber compoundingingredients Process oils Determination of glasstransition temperature by DSCBS ISO 28343:2010 BRITISH STANDARDNational forewordThis British Sta
2、ndard is the UK implementation of ISO 28343:2010.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/23, Test methods for rubber and non-blackcompounding ingredients.A list of organizations represented on this committee can beobtained on request to its secretary.This publ
3、ication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 59106 8ICS 83.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the au
4、thority of theStandards Policy and Strategy Committee on 30 September 2010.Amendments issued since publicationDate Text affectedBS ISO 28343:2010Reference numberISO 28343:2010(E)ISO 2010INTERNATIONAL STANDARD ISO28343First edition2010-09-01Rubber compounding ingredients Process oils Determination of
5、 glass transition temperature by DSC Ingrdients de mlange du caoutchouc Huiles de mise en uvre Dtermination de la temprature de transition vitreuse par DSC BS ISO 28343:2010ISO 28343:2010(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this
6、 file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretar
7、iat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure
8、 that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2010 All rights reserved. Unless otherwise specified, no part of this publication
9、may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Te
10、l. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2010 All rights reservedBS ISO 28343:2010ISO 28343:2010(E) ISO 2010 All rights reserved iiiContents Page Foreword iv 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Reagen
11、ts and materials 1 5 Apparatus.2 6 Storage and laboratory conditions2 7 Calibration2 8 Sampling.2 9 Procedure.3 10 Expression of results3 11 Test report4 Annex A (informative) Determination of Tgfrom the point of inflection5 Annex B (informative) Precision data .7 Bibliography8 BS ISO 28343:2010ISO
12、28343:2010(E) iv ISO 2010 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each memb
13、er 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 liaison with ISO, also take part in the work. ISO collaborates closely with the International Ele
14、ctrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adop
15、ted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of pate
16、nt rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 28343 was prepared by Technical Committee ISO/TC 45, Rubber and rubber products, Subcommittee SC 3, Raw materials (including latex) for use in the rubber industry. BS ISO 28343:2010INTERNATIONAL STANDARD
17、ISO 28343:2010(E) ISO 2010 All rights reserved 1Rubber compounding ingredients Process oils Determination of glass transition temperature by DSC WARNING Persons using this International Standard should be familiar with normal laboratory practice. This standard does not purport to address all of the
18、safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. 1 Scope This International Standard specifies a method for the determination, by differential
19、scanning calorimetry (DSC), of the glass transition temperature, Tg, of process oils used in rubber compounding. NOTE The same oils are used as extender oils for synthetic rubbers. 2 Normative references The following referenced documents are indispensable for the application of this document. For d
20、ated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 1382, Rubber Vocabulary ISO 3170, Petroleum liquids Manual sampling ISO 11357-1:2009, Plastics Differential scanning calorimetry (DSC) Part 1
21、: General principles 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 1382 and ISO 11357-1 and the following apply. 3.1 Tgglass transition temperature approximate midpoint of the temperature range over which the glass transition takes place NOTE For t
22、he purposes of this International Standard, the glass transition temperature is defined as the point of inflection of the DSC curve. The point of inflection corresponds to the calculated maximum of the first-derivative curve. 4 Reagents and materials 4.1 Dry helium gas, purity 99,999 % or in accorda
23、nce with the differential scanning calorimeter manufacturers instructions. 4.2 If helium is not available, use dry nitrogen gas (purity 99,999 % or in accordance with the differential scanning calorimeter manufacturers instructions). BS ISO 28343:2010ISO 28343:2010(E) 2 ISO 2010 All rights reserved5
24、 Apparatus 5.1 Differential scanning calorimeter, equipped with a liquid-nitrogen cooling system so that a temperature of around 150 C can be attained. Two types of instrument can be used: a “heat-flow” analyser1), in which the temperature of the test sample is increased or decreased and the variati
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