BS ISO 5794-3-2011 Rubber compounding ingredients Silica precipitated hydrated Evaluation procedures in a blend of solution styrene-butadiene rubber (S-SBR) and butadiene rubber (B.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 5794-3:2011Rubber compoundingingredients Silica,precipitated, hydratedPart 3: Evaluation procedures in a blend ofsolution styrene-butadiene rubber (S-SBR)and butadiene rub
2、ber (BR)BS ISO 5794-3:2011 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 5794-3:2011.The UK participation in its preparation was entrusted to TechnicalCommittee PRI/23, Test methods for rubber and non-blackcompounding ingredients.A list of organizations repre
3、sented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 67344 3ICS 83.040.20Compliance with a British Standard cannot confer im
4、munity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 August 2011.Amendments issued since publicationDate Text affectedBS ISO 5794-3:2011Rubber compounding ingredients Silica, precipitated, hydrated Part 3:Evaluation
5、procedures in a blend of solution styrene-butadiene rubber (S-SBR) and butadiene rubber (BR)Ingrdients de mlange du caoutchouc Silices hydrates prcipites Partie 3: Mthodes dvaluation dans un mlange de solution de caoutchouc styrne-butadine (S-SBR) et butadine (BR) ISO 2011Reference numberISO 5794-3:
6、2011(E)First edition2011-08-01ISO5794-3INTERNATIONAL STANDARDBS ISO 5794-3:2011ISO 5794-3:2011(E)COPYRIGHT PROTECTED DOCUMENT ISO 2011All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, incl
7、uding 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 officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in
8、Switzerlandii ISO 2011 All rights reservedBS ISO 5794-3:2011ForewordISO (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 committ
9、ees. 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 liaison with ISO, also take part in the work. ISO collaborates closely with the Int
10、ernational Electrotechnical 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 St
11、andards adopted 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 subj
12、ect of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 5794-3 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.ISO 5794 consists of the follo
13、wing parts, under the general title Rubber compounding ingredients Silica, precipitated, hydrated: Part 1: Non-rubber tests Part 2: Evaluation procedures in styrene-butadiene rubber Part 3: Evaluation procedures in a blend of solution styrene-butadiene rubber (S-SBR) and butadiene rubber (BR)ISO 579
14、4-3:2011(E) ISO 2011 All rights reserved iiiBS ISO 5794-3:2011BS ISO 5794-3:2011INTERNATIONAL STANDARD ISO 5794-3:2011(E)Rubber compounding ingredients Silica, precipitated, hydrated Part 3:Evaluation procedures in a blend of solution styrene-butadiene rubber (S-SBR) and butadiene rubber (BR)WARNING
15、 Persons using this part of ISO 5794 should be familiar with normal laboratory practice. This International Standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and
16、to ensure compliance with any national regulatory conditions.1 ScopeThis part of ISO 5794 specifies the test formulation, equipment, procedure and test methods for determining the physical properties of precipitated hydrated silica in a compound based on a blend of solution styrene-butadiene and but
17、adiene rubber. The formulation can be regarded as a model compound for silica-based passenger car tyre treads.NOTE 1 ISO 5794-22specifies the test formulation, equipment, procedure and test methods for determining the physical properties of precipitated hydrated silica in a styrene-butadiene rubber
18、mix.NOTE 2 ISO 5794-11specifies methods for chemical analysis of precipitated hydrated silica, describes its physical and chemical properties, and classifies silicas with respect to their specific surface area obtained by nitrogen adsorption.2 Normative referencesThe following referenced documents a
19、re 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 37, Rubber, vulcanized or thermoplastic Determination of tensile stress-strain pro
20、pertiesISO 48, Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)ISO 289-1, Rubber, unvulcanized Determinations using a shearing-disc viscometer Part 1: Determination of Mooney viscosityISO 2393, Rubber test mixes Preparation, mixing and vulcanizati
21、on Equipment and proceduresISO 3417, Rubber Measurement of vulcanization characteristics with the oscillating disc curemeterISO 6502, Rubber Guide to the use of curemeters3 Test formulationThe standard formulation is given in Table 1. The formulation shall be used for any type of silica precipitated
22、 for its evaluation.International or national standard chemicals shall be used if available. Materials used shall be chemically equivalent to those indicated in Table 1.For interlaboratory comparisons, the same type of S-SBR and BR shall be used. ISO 2011 All rights reserved 1BS ISO 5794-3:20114 Pro
23、cedure4.1 Equipment and procedure4.1.1 GeneralEquipment and procedure for preparation, mixing and vulcanization shall be in accordance with ISO 2393. The following procedure is an example which has been found suitable for a 1,5 l internal mixer of the Banbury1)type.4.1.2 First stage Filling factor:
24、0,74. Rotational speed: 70 r/min. Starting temperature: 80 C. Friction: 1:1,11. Ram pressure: 0,55 MPa.The first stage procedure is given in a) to j) herafter.Duration mina) Add polymers. 0,0 to 0,5b) Add half of the silica, carbon black/silane, ZnO, stearic acid, oil. 0,5 to 1,5c) Clean. 1,5d) Add
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