BS-EN-ISO-9371-1995 BS-2782-7-METHODS-734A-TO-D.pdf
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1、BRITISH STANDARD BS EN ISO 9371:1995 BS 2782-7: Methods 734A to D:1995 Plastics Phenolic resins in the liquid state or in solution Determination of viscosity The European Standard EN ISO 9371:1995 has the status of a British Standard Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:13:56 GM
2、T+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9371:1995 This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 December 1995 BSI 12-1999 The following B
3、SI references relate to the work on this standard: Committee reference PRI/21 Draft announced in BSI News August 1994 ISBN 0 580 24497 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PRI/21, Testing of plastics, upon wh
4、ich the following bodies were represented: The British Apparel and Textile Confederation British Plastics Federation Department of the Environment (Building Research Establishment) Department of Trade and Industry (National Physical Laboratory) Electrical and Electronic Insulation Association (BEAMA
5、 Ltd.) GAMBICA (BEAMA Ltd) Institute of Materials Ministry of Defence Packaging and Industrial Films Association PIRA International RAPRA Technology Ltd. Royal Society of Chemistry Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:13:5
6、6 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9371:1995 BSI 12-1999i Contents Page Committees responsibleInside front cover National forewordii Foreword2 1Scope3 2Normative references3 3General (valid for all four methods)3 4Reference methods3 5Comparative test methods6 6Test report (valid
7、for all four methods)6 Annex A (normative) Calibrating Ubbelohde viscometers7 Annex B (normative) Determination of the viscosity using a Hoeppler dropping-ball viscometer7 Figure 1 Details of Ubbelohde viscometer4 Figure B.1 Dropping-ball viscometer8 Table 1 Dimensions, approximate C-constants and k
8、inematic-viscosity ranges of the Ubbelohde viscometer5 Table 2 Correspondence between spindle no. and viscosity range for a rotary viscometer6 Table B.1 Balls for use in a dropping-ball viscometer having a measurement tube with an inside diameter of 15,94 mm9 Table B.2 Precision data10 Licensed Copy
9、: sheffieldun sheffieldun, na, Mon Nov 20 02:13:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 9371:1995 ii BSI 12-1999 National foreword This British Standard has been prepared by Technical Committee PRI/21 and is the English language version of EN ISO 9371:1995 Plastics Phenolic resins in
10、 the liquid state or in solution Determination of viscosity. It is identical with ISO 9371:1990 published by the International Organization for Standardization (ISO). This standard has been dual numbered and is contained in the BS 2782 series of tests as BS 2782-7:Methods 734A-D. A British Standard
11、does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Cross-references Publication referred toCorresponding Britis
12、h Standard BS 2782 Methods of testing plastics Part 7 Rheological properties ISO 2555:1989Method 730C:1992 Determination of apparent viscosity of resins by the Brookfield Test method ISO 3219:1977Method 730B:1994 Determination of the viscosity of polymers in the liquid, emulsified or dispersed state
13、, using a rotational viscometer working at a defined shear rate Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN ISO title page, pages 2 to 10 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorp
14、orated. This will be indicated in the amendment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:13:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 9371 July 1995 ICS 83.080.10 Descriptors: Phenolic resi
15、ns, plastics, viscosity, viscosity measurement English version Plastics Phenolic resins in the liquid state or in solution Determination of viscosity (ISO 9371:1990) Plastiques Rsines phnoliques liquides ou en suspension Dtermination de la viscosit (ISO 9371:1990) Kunststoffe Phenolharze, flssig ode
16、r Lsung Bestimmung der Viskositt (ISO 9371:1990) This European Standard was approved by CEN on 1995-01-12. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterati
17、on. Up-to-date lists and bibliographical references concerning such national standards 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 translati
18、on under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, N
19、etherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1995 Copyright reserved to CEN members Ref. No. EN ISO 9371:1
20、995 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:13:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 9371:1995 BSI 12-1999 2 Foreword The text of the International Standard from ISO/TC 61, Plastics, of the International Organization for Standardization (ISO) has been taken over as
21、 a European Standard by the Technical Committee CEN/TC 249, Plastics. 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 January 1996, and conflicting national standards shall be withdrawn at the lat
22、est by January 1996. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland a
23、nd the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 02:13:56 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 9371:1995 BSI 12-19993 1 Scope This International Standard specifies four methods for the determination of the viscosity of phenolic resins, either as a liquid or
24、in solution. It describes the following two types of method: a) Reference methods: 1) Determination using a viscometer with a definite speed gradient 2) Determination using an Ubbelohde capillary viscometer b) Comparative test methods: 1) Determination using a rotary viscometer 2) Determination usin
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