BS EN ISO 16805-2005 Binders for paints and varnishes Determination of glass transition temperature《色漆和清漆用粘合剂 玻璃转变温度的测定》.pdf

1、16805:2005)g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58transition temperatureThe European Standard EN ISO 16805:2005 has the status of a British

2、 StandardICS 87.040; 87.060.20 Binders for paints and varnishes Determination of glass BRITISH STANDARDBS EN ISO 16805:2005Incorporating Amendment No. 1 to BS ISO 16805:2005 (renumbers BS ISO as BS EN ISO BS EN ISO 16805:2005This British Standard was published under the authority of the Standards Po

3、licy and Strategy Committee on 2 February 2005 BSI 2006ISBN 0 580 45381 2 in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.Thi

4、s publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations.Summary of pagesThis document comprises a front cover, an inside front

5、 cover, the EN ISO title page, page 2, the ISO title page, pages ii to iv, pages 1 and 2, an inside back cover and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date Comments15790 31 August 200

6、6 Renumbers BS ISO 16805:2005 as BS EN ISO 16805:2005A list of organizations represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international publications referred to monitor related international and European developments

7、and promulgate them in the UK.National forewordThis British Standard is the English language version of EN ISO 16805:2005. It is identical with ISO 16805:2003.The UK participation in its preparation was entrusted to Technical Committee STI/3, Paints, media and related products, which has the respons

8、ibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed;EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 16805May 2005ICS 87.040; 87.060.20English v

9、ersionBinders for paints and varnishes Determination of glasstransition temperature (ISO 16805:2003)Liants pour peintures et vernis Dtermination de latemprature de transition vitreuse (ISO 16805:2003)Bindemittel fr Beschichtungsstoffe Bestimmung derGlasbergangstemperatur (ISO 16805:2003)This Europea

10、n Standard was approved by CEN on 10 April 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerni

11、ng such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own langua

12、ge and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

13、 Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any

14、 form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 16805:2005: EEN ISO 16805:2005 2 Foreword The text of ISO 16805:2003 has been prepared by Technical Committee ISO/TC 35, Paints and varnishes, of the International Organization for Standardization (ISO) and has been ta

15、ken over as EN ISO 16805:2005 by Technical Committee CEN/TC 139, Paints and varnishes, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2005, and c

16、onflicting national standards shall be withdrawn at the latest by November 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estoni

17、a, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Endorsement notice The text of ISO 16805:2003 has been approved by CEN as EN ISO 1680

18、5:2005 without any modifications. Reference numberISO 16805:2003(E)OSI 3002INTERNATIONAL STANDARD ISO16805First edition2003-10-15Binders for paints and varnishes Determination of glass transition temperature Liants pour peintures et vernis Dtermination de la temprature de transition vitreuse EN ISO

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23、 ISOs memreb i ydobn the cnuotfo yr ttseuqer ehe.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 avleT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o groWe bwww.is.o groii ISO 3002 Allr ihgtsser edevrIS:50861 O3002(E) I SO 3002 All irhgts seredevr iiiForeword ISO (the Internat

24、ional 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 member body interested in a subject for which a technical committee has bee

25、n 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 Electrotechnical Commission (IEC) on all matters of electrotechnical stand

26、ardization. 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 adopted by the technical committees are circulated to the member bodies for

27、 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 patent rights. ISO shall not be held responsible for identifying any or all

28、 such patent rights. ISO 16805 was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 10, Test methods for binders for paints and varnishes. EN ISO 16805:2005ISO 16805:2003(E) iv I SO 3002 All irhgts seredevrIntroduction The determination of the glass transition tempera

29、ture (Tg) is a very accurate and reproducible way of characterizing polymers. However, there are a number of factors which have to be considered if a standard for the determination of the Tgis to be developed. The Tgof a polymer is dependent on the heating rate, the moisture content of the sample an

30、d also on the amount of sample used. Since sample preparation is a very important part of the procedure (and a special method may be necessary for binders for paints and varnishes), this International Standard specifies only the procedure for sample preparation. The measurement procedure itself is a

31、lready specified in another International Standard. EN ISO 16805:2005INTENRATIONAL TSANDADR IS:50861 O3002(E)I SO 3002 All irhgts seredevr 1Binders for paints and varnishes Determination of glass transition temperature 1 Scope This International Standard specifies the procedure to be used for sample

32、 preparation for the determination of the glass transition temperature of binders for paints and varnishes, including coating powders, by differential scanning calorimetry (DSC). The method to be used for determining the glass transition temperature is specified in ISO 11357-2. 2 Normative reference

33、s The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 15528, Paints, varnishes and raw materials

34、for paints and varnishes Sampling ISO 11357-1, Plastics Differential scanning calorimetry (DSC) Part 1: General principles ISO 11357-2:1999, Plastics Differential scanning calorimetry (DSC) Part 2: Determination of glass transition temperature 3 Terms and definitions For the purposes of this documen

35、t, the following terms and definitions apply. 3.1 glass transition reversible change in an amorphous polymer or in amorphous regions of a partially crystalline polymer from (or to) a viscous rubbery condition to (or from) a hard and brittle one NOTE It is the temperature at which the rotational degr

36、ees of freedom of a polymer are excited. Adapted from ISO 11357-2:1999 3.2 glass transition temperature approximate midpoint of the temperature range over which the glass transition takes place NOTE 1 The assigned glass transition temperature (Tg) may vary, depending on the specific property and on

37、the method and conditions selected to measure it. NOTE 2 The so-called onset temperature (see ISO 11357-2), which can also be used, is often more accurately defined. NOTE 3 To avoid interference or inaccurate measurements due to relaxation or evaporation of solvent/water residues, it can be better t

38、o carry out the measurement twice with the same sample and report the second result. Adapted from ISO 11357-2:1999 EN ISO 16805:2005IS:50861 O3002(E) 2 I SO 3002 All irhgts seredevr4 Sampling and sample preparation Take a representative sample of the binder to be tested, as described in ISO 15528. U

39、sing a film applicator with a gap 40 m to 50 m high, apply the binder at a suitable wet-film thickness arbitrarily 20 m to 25 m (= 0,8 to 1,0 mills/thous), alternatively as specified by the user to a suitable flat, inert and non-porous substrate which will permit easy removal of the film when dried.

40、 Substrates like glass, polytetrafluoroethylene (PTFE) or ethylene/propylene diene terpolymer (EPDM) are possible candidates if inert to the binder concerned. Store the wet film under suitable atmospheric conditions and for a sufficient length of time to permit full drying. If systems are to be comp

41、ared, the same times and conditions shall be used for each system. NOTE The length of time necessary varies depending on the composition, e.g. the solvent/water content. Elevated temperatures may be used, although consideration should be given when selecting the temperature to factors such as the th

42、ermal decomposition of the binder and also the presence of any thermally reactive binder components, e.g. crosslinking agents, as these will influence the value of the glass transition temperature. After drying, place a specimen of known mass of the film in a DSC pan, ensuring good contact between t

43、he film and the pan, as specified in ISO 11357-2:1999, Subclause 9.2. 5 Procedure Carry out the determination as specified in ISO 11357-2. 6 Expression of results See ISO 11357-2. 7 Precision See ISO 11357-2. 8 Test report The test report shall contain at least the following information: a) a refere

44、nce to this International Standard (ISO 16805); b) all details necessary for complete identification of the product tested (manufacturer, trade name, batch number, etc.); c) all details concerning sample preparation, such as the substrate, application method and drying conditions used, as well as th

45、e test temperature (room temperature or higher temperature, if used) and pressure (under a vacuum or at ambient pressure); d) the result of the test and the test parameters, as indicated in ISO 11357-1 and ISO 11357-2; e) whether the result was based on the onset or midpoint temperature and whether

46、the first or second measurement was used; f) any deviation from the test method specified; g) the date of the test. EN ISO 16805:2005blankBS EN ISO BSI389 Chiswick High RoadLondonW4 4AL16805:2005 BSI British Standards InstitutionBSI is the independent national body responsible for preparing British

47、Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.RevisionsBritish Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions.It is the con

48、stant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. T

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