DIN EN ISO 1628-5-2015 Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 5 Thermoplastic polyester (TP) homopolymers and c.pdf
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1、May 2015 Translation by DIN-Sprachendienst.English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 83
2、.080.20!%B“2315890www.din.deDDIN EN ISO 1628-5Plastics Determination of the viscosity of polymers in dilute solution usingcapillary viscometers Part 5: Thermoplastic polyester (TP) homopolymers and copolymers(ISO 1628-5:1998);English version EN ISO 1628-5:2015,English translation of DIN EN ISO 1628-
3、5:2015-05Kunststoffe Bestimmung der Viskositt von Polymeren in verdnnter Lsung durch einKapillarviscosimeter Teil 5: Thermoplastische Polyester (TP) Homopolymere und Copolymere(ISO 1628-5:1998);Englische Fassung EN ISO 1628-5:2015,Englische bersetzung von DIN EN ISO 1628-5:2015-05Plastiques Dtermina
4、tion de la viscosit des polymres en solution dilue laide de viscosimtres capillaires Partie 5: Homopolymres et copolymres des polyesters thermoplastiques (TP)(ISO 1628-5:1998);Version anglaise EN ISO 1628-5:2015,Traduction anglaise de DIN EN ISO 1628-5:2015-05SupersedesDIN 53728-3:1985-01, withdrawn
5、2014-04www.beuth.deDocument comprises 16 pagesIn case of doubt, the German-language original shall be considered authoritative.04.15 DIN EN ISO 1628-5:2015-05 2 A comma is used as the decimal marker. National foreword The text of ISO 1628-5:1998 has been prepared by Technical Committee ISO/TC 61 “Pl
6、astics” and has been taken over as EN ISO 1628-5:2015 by Technical Committee CEN/TC 249 “Plastics” (Secretariat: NBN, Belgium). The responsible German body involved in its preparation was the DIN-Normenausschuss Kunststoffe (DIN Standards Committee Plastics), Working Committee NA 054-02-10 AA Thermo
7、plast-Formmassen. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1628-1 DIN EN ISO 1628-1 ISO 3451-2 DIN ISO 3451-2 ISO 7792-1 DIN EN ISO 7792-1 Amendments This standard differs from DIN 53728-3:1985-01 (withdrawn 2014-04) as follows:
8、a) specifications relating to solvents and the selection of solvents have been extended and completely revised; b) two procedures can be used for the preparation of the solution; c) the determination of the viscosity number has been modified. Previous editions DIN 53728-3: 1973-08, 1985-01 National
9、Annex NA (informative) Bibliography DIN EN ISO 1628-1, Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometer Part 1: General principles DIN ISO 3451-2, Plastics Determination of ash Part 2: Poly(alkyleneterephthalates) DIN EN ISO 7792-1, Plastics Thermopla
10、stic polyester (TP) moulding and extrusion materials Part 1: Designation system and basis for specifications EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 1628-5 March 2015 ICS 83.080.20 English Version Plastics - Determination of the viscosity of polymers in dilute solution using capilla
11、ry viscometers - Part 5: Thermoplastic polyester (TP) homopolymers and copolymers(ISO 1628-5:1998) Plastiques - Dtermination de la viscosit des polymres en solution dilue laide de viscosimtres capillaires - Partie 5: Homopolymres et copolymres des polyesters thermoplastiques (TP) (ISO 1628-5:1998) K
12、unststoffe - Bestimmung der Viskositt von Polymeren in verdnnter Lsung durch ein Kapillarviscosimeter - Teil 5: Thermoplastische Polyester (TP) Homopolymere und Copolymere (ISO 1628-5:1998) This European Standard was approved by CEN on 1 March 2015. CEN members are bound to comply with the CEN/CENEL
13、EC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or
14、 to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the offi
15、cial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,
16、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of
17、exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 1628-5:2015 EDIN EN ISO 1628-5:2015-05 EN ISO 1628-5:2015 (E) 2Contents Page Foreword . 3 1 Scope 4 2 Normative references 4 3 Principle 5 4 Solvents 5 4.1 Phenol/1,2-dichlorobenzene .5 4.2 Phenol/
18、1,1,2,2-tetrachloroethane .5 4.3 o-Chlorophenol, analytical grade . 5 4.4 m-Cresol, meeting the following specifications . 5 4.5 Dichloroacetic acid, analytical grade 5 4.6 Phenol/2,4,6-trichlorophenol 5 4.7 Storage of the solvents . 5 5 Apparatus . 6 6 Solvent and solution . 6 6.1 Selection of the
19、solvent 6 6.2 Determination of inorganic materials or other additives in the sample 7 6.2.1 Determination of the content of inorganic materials . 7 6.2.2 Determination of the content of other additives 7 6.3 Sample 7 6.4 Preparation of solution . 7 6.4.1 Procedure A . 76.4.2 Procedure B .8 7 Procedu
20、re .9 7.1 Preparatory operations .9 7.2 Measurement of flow time 9 8 Expression of results 9 9 Test report 10 Annex A (informative) Round-robin testing.11 A.1 General .11 A.2 Repeatability and reproducibility .11 A.3 Interconversion of the viscosity numbers determined in different solvents 11 A.3.1
21、Viscosity number of PET 11 A.3.2 Viscosity number of PBT 12 Foreword The text of ISO 1628-5:1998 has been prepared by Technical Committee ISO/TC 61 “Plastics” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 1628-5:2015 by Technical Committee CEN/TC 249 “
22、Plastics” the secretariat of which is held by NBN. 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 September 2015, and conflicting national standards shall be withdrawn at the latest by September
23、2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organi
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