1、BRITISH STANDARD BS EN 12092:2001 Incorporating corrigendum no. 1 Adhesives Determination of viscosity The European Standard EN 12092:2001 has the status of a British Standard ICS 83.180 Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIBS EN 12092:2001 This
2、British Standard, having been prepared under the direction of the Materials and Chemicals Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 22 March 2002 BSI 2007 ISBN 0 580 39284 8 National foreword This British Standard was pu
3、blished by BSI. It is the UK implementation of EN 12092:2001. It supersedes BS 5350-B8:1990 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee PRI/52, Adhesives. A list of organizations represented on PRI/52 can be obtained on request to its secretary. T
4、his 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 cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. Date Comments 16854 Corrigendum No
5、 1 31 January 2007 Revision of supersession details Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12092 October2001 ICS83.180 Englishversion AdhesivesDeterminationofviscosity AdhsifsDterminationdelaviscosi
6、t KlebstoffeBestimmungderViskositt ThisEuropeanStandardwasapprovedbyCENon30September2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreference
7、sconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentr
8、ehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEURO
9、PENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN12092:2001E Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSI
10、EN12092:2001(E) 2 Contents Foreword3 1 Scope 4 2 Normativereferences 4 3 Termsanddefinitions . 5 4 Choiceofthepreferredmethod .5 5 Safety5 6 Testmethods .5 AnnexA (informative)Dynamicandkinematicviscosity.Definitionandcalculation12 Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Unc
11、ontrolled Copy, (c) BSIEN12092:2001(E) 3 Foreword ThisEuropeanStandardhasbeenpreparedbyTechnicalCommitteeCEN/TC193“Adhesives“,thesecretariatof whichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyApril2002,
12、andconflictingnationalstandardsshallbewithdrawnatthelatestby April2002. InthisstandardtheAnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, F
13、rance,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden, SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN12092:2001(E) 4 1Scope ThisEuropeanStandardspecifiessixmethodswhich,experienceh
14、asshown,aresuitableformeasuringthe viscosityofawiderangeofadhesives: rotationalviscometermethod; coneandplateviscometermethod; fallingballviscometermethod; glasscapillaryviscometermethod; flowcupmethod; pressurisedextrusionmethod. Thisstandarddoesnotintendtodescribeequipment,whichisuniquetoonemanufa
15、cturer,ratheritdescribes generictypesofviscometer.Theinstrumentsdescribedoperateonverydifferentprinciplesmakingitinadvisableto compareresultsfromonetypeofviscometerwiththosefromanother.However,resultsfromdifferentinstruments ofthesametypeshouldbecomparable. NOTE1Somemodernviscometersincorporateinteg
16、ratedelectronicmeasuringdevicesandhaveahighdegreeofautomation. Theuserwillnotnecessarilyhaveaccessto(orneedtoknow)fulldetailsofaninstrumentsmeasuringsystems.However,all viscometersarecapableofbeingcalibratedand,toconformtothisstandard,theviscometerusedshouldbecalibratedinthe appropriateviscosityrang
17、ebeforeatest.Certifiedcalibrationfluidsshouldbeusedforthispurposeandevidenceofcalibra tion givenwiththetestresults. NOTE2Thepropertiesofmanyadhesivesareverysensitivetotestconditions.Itisimportantthereforethatthetestreport containscomprehensiveinformationontheconductofthetest. 2 Normativereferences T
18、hisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean standardonlyw
19、henincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN923 AdhesivesTermsanddefinitions. EN1066 AdhesivesSampling. EN1067 AdhesivesDeterminationandpreparationofsamplesfor testing. ENISO2431 PaintsandvarnishesDeterminati
20、onofflowtimebyuseofflow cups(ISO2431:1993,includingTechnicalcorrgendum1:1994). ENISO2555 PlasticsResinsintheliquidstateorasemulsionsor dispersionsDeterminationofapparentviscositybythe Brookfieldtestmethod(ISO2555:1989). ENISO3104 PetroleumproductsTransparentandopaqueliquids Determinationofkinematicv
21、iscosityandcalculationofdynamic viscosity(ISO3104:1994). Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN12092:2001(E) 5 ENISO3219 PlasticsPolymers/resinsintheliquidorasemulsionsor dispersionsDeterminationofviscosityusingarotational viscometerwithdefineds
22、hearrate(ISO3219:1993). ISO3105 GlasscapillarykinematicviscometersSpecificationsand operatinginstructions. ISO4575 PlasticsPolyvinylchloridepastesDeterminationofapparent viscosityusingtheSeversviscometer. ISO/DIS120582 PlasticsDeterminationofviscosityusingafallingball viscometerPart2:Freefallingball
23、method. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthefollowingtermanddefinition,togetherwiththosegiveninEN923, apply. 3.1 viscosity propertyofamaterialtoresistdeformationincreasinglywithincreasedrateofdeformation 4 Choiceofthepreferredmethod Thepreferredmethodshallbechosenaccordingto
24、thetypesandrequirementsoftheadhesivesused. ForNewtonianliquidswithviscositybelow10Pas,themethoddescribedin6.5ispreferred.Thealternative methodsaregivenin6.4and6.6. ForNewtonianliquidswithaviscosityhigherthan10Pas,themethodsdescribedin6.2and6.7arepreferred. FornonNewtonianliquidsthemethoddescribedin6
25、3ispreferred.Themethodgivenin6.2canalsobeused. NOTE Newtonianliquidoridealliquidisdefinedasaliquidcharacterizedbyaconstantvaluefortheshearstressdividedby therateofshearinsimpleshearflowandwithzeronormalstressdifferences. NonNewtonianliquidornonidealliquidisdefinedasaliquidnotexhibitingNewtonianbeha
26、viour. 5Safety Personsusingthisstandardshallbefamiliarwithnormallaboratorypractice. Thisstandarddoesnotpurporttoaddressallthesafetyproblems,ifany,associatedwithitsuse. Itistheresponsibilityoftheusertoestablishhealthandsafetypracticesandtoensurecompliancewithany Europeanandnationalregulatorycondition
27、s. 6Test methods 6.1General Alltheproceduresdescribedinthefollowingtestmethodsshallbecarriedoutinduplicate.Thedifferencebetween thevaluesoftwoconsecutivetestsshallbelessthan5%andlessthan3%forthetestmethoddescribedin6.2,in particular.Ifthisisnotthecase,furthertestsshallbecarriedoutuntilthisrequiremen
28、tisfulfilled. Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN12092:2001(E) 6 6.2 Rotationalviscometermethod 6.2.1 Principle Aspindle,usuallyintheshapeofacylinderordisc,rotatesataconstantspeedintheadhesive.Theinstrument measuresthetorsionalresistanceofrot
29、ation.Factors,whichdependonthespeedofrotationandthe characteristicsofthespindle,areappliedtothetorsionalresistancemeasurementresultinginanestimateofthe coefficientofviscosity. ThemethodisoftenappliedtononNewtonianfluidsandtheviscositymeasureddependsontherateofshear. Adetaileddescriptionoftheapparatu
30、stobeusedandfurtherdetailsofthismethodaregiveninENISO2555and ENISO3219. 6.2.2 Procedure 6.2.2.1 Preparetheadhesiveinaccordancewiththemanuacturersinstructions.Unlessotherwisespecified,takea sampleoftheadhesiveinaccordancewithEN1066andexamineandprepareitinaccordancewithEN1067. 6.2.2.2Setup,calibratean
31、doperatetheviscometerinaccordancewiththemanufacturersinstructions.Spindles andspeedsshallbechosensuchthattheinstrumentreadingisintherangeof20%to95%ofthefullscalevalue. 6.2.2.3 Ensurethatthetemperatureofthetestspecimeniswithintheprescribedlimits.Unlessotherwisespecified, thetemperatureofthetestspecim
32、enshallbemaintainedat(23 0,5)C.Heatorcoolthecontainerholdingthetest specimenbyimmersioninathermostaticallycontrolledbath.Specialattachmentsareusuallyavailablefortesting hotmeltadhesives. 6.2.2.4 Startthemotorandleavethespindleturningintheadhesiveuntilasteadyvalueisrecorded.Insomefluids thereadingoft
33、heinstrumentwillnotsettle,butwillcontinuetodrift.Insuchcases,recordthereadingaftera specifictime. 6.2.2.5Stopthemotor,waituntilthespindlehasstopped,thenrestartthemotorandtakeasecondmeasurement. 6.2.2.6 Repeattheprocessdescribedin6.2.2.5untiltwoconsecutivereadingsdifferbynomorethan3%.Takethe averageo
34、fthesetwovalues. 6.2.2.7Aftereachdetermination,removethespindlefromtheapplianceandwashitcarefullyintheappropriate solvent. 6.2.3Expressionofresults Calculatetheestimateofviscositybythemethodprescribedbythemanufactureroftheviscometer. ExpresstheresulttothreesignificantfiguresinunitsofPasorinmPasasapp
35、ropriate. Ifrequired,plotthecharacteristicviscosity/shearratecurvefortheadhesive. 6.2.4Testreport Thetestreportshallcontain,atleast,thefollowinginformation: a)referencetothisEuropeanStandard; b)identificationoftheproducttestedincludingdetailsofanymixingorotherpreparationscarriedout; c)thetesttempera
36、ture; d)detailsoftheviscometer,manufacturerandmodel,includingthespindlesandspeedsusedandtheshearrate,if known; e)incaseswhereameasurementwastakenafteraspecifictime,thevalueofthistimeperiod; Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN12092:2001(E) 7 f
37、)thevalue(s)oftheviscosityexpressedasindicatedin6.2.3; g)proofofinstrumentcalibration; h)thetestdate. 6.3 Coneandplateviscometermethod 6.3.1Principle Theadhesiveundertestiscontainedbetweentheconicalendofarotatingdiscandastaticplate.Theviscosityof theadhesiveisrelatedtothetorquerequiredtomaintainagiv
38、enspeedofrotationandthediameterandangleof thecone. AdetaileddescriptionoftheapparatustobeusedandfurtherdetailsonthismethodaregiveninENISO3219. 6.3.2 Procedure 6.3.2.1Preparetheadhesiveinaccordancewiththemanufacturersinstructions.Unlessotherwisespecified,takea sampleoftheadhesiveinaccordancewithEN106
39、6andexamineandprepareitinaccordancewithEN1067. 6.3.2.2Setupandcalibratetheviscometerinaccordancewiththemanufacturersinstructions. Unlessotherwisestatedtheinstrumentshallbeadjustedtoashearrateof18000s 1 . 6.3.2.3 Withtheconeintheoperatingpositionbutwithnoadhesiveinplace,ensurethattheviscometerreaches
40、 theprescribedtemperature.Unlessotherwisespecified,thetestshallbecarriedoutat(23 0,5)C. 6.3.2.4 Starttheconerotatingandzerotheinstrument. 6.3.2.5 Stoptherotationandraisetheconetoahighposition. 6.3.2.6Placeasmallamountoftheadhesive(asspecifiedbytheviscometermanufacturer)inthecentreofthe plateandlower
41、theconeagaintotheoperatingposition. 6.3.2.7Removeexcessadhesive. 6.3.2.8Waitapproximately15sforthesampletoreachthetesttemperature. 6.3.2.9Starttheconerotating.Allowthereadingtoreachasteadyvalueandrecordthereading. 6.3.2.10Aftereachdeterminationcarefullycleanallcomponentswithanappropriatesolvent. 6.3
42、3Expressionofresults Calculatetheestimateofviscositybythemethodprescribedbythemanufactureroftheviscometer. ExpresstheresulttothreesignificantfiguresinunitsofPasorinmPasasappropriate. Ifrequired,plotthecharacteristicsviscosity/shearratecurvefortheadhesive. 6.3.4 Testreport Thetestreportshallcontain,
43、atleast,thefollowinginformation: a)referencetothisEuropeanStandard; b)identificationoftheproducttestedincludingdetailsofanymixingorotherpreparationscarriedout; c)thetesttemperature; Licensed Copy: Wang Bin, na, Thu Mar 29 06:37:06 GMT+00:00 2007, Uncontrolled Copy, (c) BSIEN12092:2001(E) 8 d)detailsoftheviscometer,manufacturerandmodel,includingthespindlesandspeedsusedandtheshearrate,if known; e)incaseswhereameasurementwastakenafteraspecifiedtime,thevalueofthistimep
