1、BRITISH STANDARD BS EN 13900-1:2003 Pigments and extenders Methods of dispersion and assessment of dispersibility in plastics Part 1: General introduction The European Standard EN 13900-1:2003 has the status of a British Standard ICS 83.040.30 BS EN 13900-1:2003 This British Standard was published u
2、nder the authority of the Standards Policy and Strategy Committee on 21 February 2003 BSI 21 February 2003 ISBN 0 580 41284 9 National foreword This British Standard is the official English language version of EN 13900-1:2003. The UK participation in its preparation was entrusted to Technical Commit
3、tee STI/1, Pigments, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI
4、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. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for it
5、s correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interes
6、ts informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates when the do
7、cument was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN139001 February2003 ICS83.040.30 Englishversion PigmentsandextendersMethodsofdispersionand assessmentofdispersibilityinplasticsPart1:General introduction Pigmentsetmatir
8、esdechargeMthodesdedispersion etvaluationdescaractristiquesdedispersibilitdansles plastiquesPartie1:Introductiongnrale PigmenteundFllstoffeDispergierverfahrenund BeurteilungderDispergierbarkeitinKunstoffenTeil1: AllgemeineEinleitung ThisEuropeanStandardwasapprovedbyCENon12December2002. CENmembersare
9、boundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. This
10、EuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,Czec
11、hRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,SlovakRepublic,Spain,Sweden,Switzerland and UnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeSta
12、ssart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN139001:2003EEN139001:2003(E) 2 Foreword Thisdocument(EN139001:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC298“Pigmentsand extenders“,t hesecretariatof which ish eld by DIN.
13、ThisEurop ean Standardshall be given thes tatusofa national standard, either by publication of an identical text or by endorsement,atthel atest by August2 003, andcon flicting nationals tandardssh all be withdrawn at the latest by August2 003. AccordingtotheCEN/CENELECInternalRegulations,thenational
14、standardsorganizationsofthefollowing countriesareboundtoimplementthisEuro peanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovak Republic,S pain, Sweden,Swi tzerlandandtheUnitedKin gdom.EN13
15、9001:2003(E) 3 1Scope ThispartofthisEuropeanStandardprovidesanintroductiontothevariouspartsofthisEuropeanStandardwhich describemethodsfordispersingpigmentsandextendersinplasticsmaterialsinordertodeterminetheirdispersion characteristicsandcolouristicproperties. Methodsofassessingdispersioncharacteris
16、ticsaredescribedinthesubsequentpartsofthisEuropeanStandard. Thevariousproceduresdescribedpermitcomparisontobemadebetweensimilarpigments(forexamplebetween atestsampleandanagreedreferencepigment).Theresultsprovideanindicationofrelativedispersibilityunder practicalconditionsofuse,providedthatthetestpro
17、cedureandplasticsmaterialselectedareappropriate. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendme
18、ntstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN139002, PigmentsandextendersMethodsofdispersionandassessmentofdispersibilityinplasticsPart2
19、: Determinationofcolouristicpropertiesandeaseofdispersioninplasticizedpolyvinylchloridebytworollmilling. EN139003, PigmentsandextendersMethodsofdispersionandassessmentofdispersibilityinplasticsPart3: Determinationofcolouristicpropertiesandeaseofdispersionofblackandcolourpigmentsinpolyethylenebytwo r
20、ollmilling. prEN139004, PigmentsandextendersMethodsofdispersionandassessmentofdispersibilityinplastics Part4:Determinationofcolouristicpropertiesandeaseofdispersionofwhitepigmentsinpolyethylenebytworoll milling. 3 Termsanddefinitions ForthepurposesofthispartofthisEuropeanStandardthefollowingtermsand
21、definitionsapply. 3.1 dispersibility easeandextenttowhichpigmentsorextenderscan,bywetting,eliminationofairandbymechanical disagglomeration,bedistributedhomogeneouslyinaplasticsmaterialunderstandardizedconditionsofprocessing NOTE Dispersibilityisgenerallyassessedintermsofcolourstrengthdevelopment,col
22、ouristicpropertiesandfrequency andsizeofagglomerates. 3.2 easeofdispersion(DH) measureoftherateatwhichorthedegreetowhichapigmentorextenderachievesagivenlevelofdispersion whendispersedinaplasticsmaterial 3.3 aggregate primaryparticlessojoinedtogetherthattheycannotbebrokendownduringnormalpigment/exten
23、derdispersing processesEN139001:2003(E) 4 3.4 agglomerate primaryparticlesoraggregatesoramixtureofthetwosojoinedtogetherthattheymaybebrokendownduring normalpigment/extenderdispersingprocesses 4 Methodsofdispersionandmethodsofassessment 4.1Preliminaryagreements Agreementshallbereachedbetweentheintere
24、stedpartieson: a) theplasticsmaterialtobeused; b) themethodofdispersion; c)the assessment method; asalloftheseinfluencetheresults. 4.2Plasticsmaterials Alargevarietyofplasticsmaterialsisavailablewithgreatlydifferingproperties.Itisthereforenotpossible,inthis partofthisEuropeanStandard,tostipulatewhic
25、hplasticsmaterialshallbeused.InotherpartsofthisEuropean Standard,generalindicationsaregivenastotherelevanceoftheproceduresdescribedtothemostcommonly usedplasticsmaterials. 4.3Methodsofdispersion Therearemanydifferencesintheequipmentandprocessingconditionsusedinpracticefordispersingpigments andextend
26、ersinplasticsmaterials.Itisthereforenotpossibletospecifyasingleprocedurefordispersinga pigmentfortestingpurposes.InotherpartsofthisEuropeanStandard,generalindicationsaregivenastothe relevanceinpracticeoftheproceduredescribed. 4.4Methodsofassessment Therearedifferentmethodsofcharacterisingdispersibil
27、ityofpigmentsinplasticsmaterials.Thesearedescribedin therelevantpartsofthisEuropeanStandard. 5Procedures 5.1Determinationofcolouristicpropertiesandeaseofdispersioninplasticizedpolyvinyl chloridebytworollmilling Usingatworollmill,thepigmentundertestisdispersedat160 C5 Cinthebasiccompound.Themilledshe
28、et obtainedinthiswayisthensubjectedtothehighershearingforcesresultingfromtworollmillingat130 C5 C. TheresultingincreaseincolourstrengthisameasureoftheeaseofdispersionDH PVCP. FordetailsseeEN139002. 5.2Determinationofcolouristicpropertiesandeaseofdispersionofblackandcolourpigments inpolyethylenebytwo
29、rollmilling Usingatworollmill,thepigmentundertestisdispersedataappropriatetemperatureinthepolymer.Themilled sheetobtainedinthiswayisthensubjectedtothehighershearingforcesresultingfromtworollmillingata narrowergapwidth.TheresultingincreaseincolourstrengthisameasureoftheeaseofdispersionDH PE. Fordetai
30、lsseeEN139003.EN139001:2003(E) 5 5.3Determinationofcolouristicpropertiesandeaseofdispersionofwhitepigmentsin polyethylenebytworollmilling Usingatworollmill,thepigmentundertestisdispersedataappropriatetemperatureinthepolymer.Themilled sheetobtainedinthiswayisthensubjectedtothehighershearingforcesresu
31、ltingfromtworollmillingata narrowergapwidth.TheresultingincreaseintintingstrengthisameasureoftheeaseofdispersionDH PE . FordetailsseeprEN139004. 5.4Determinationofdispersibilityofpigmentsbyfiltervaluetest Theincreaseinpressurewhenpressingapigmentedpolymerofdefinedcompositionthroughafilterpackinan ex
32、truderunderdefinedconditionsisameasureofthedispersibilityofthepigmentundertest. FordetailsseeprEN139005(draftstandardinpreparation). 5.5Determinationofdispersibilityofpigmentsbyfilmtest Theassessmentbasedonthesizeandfrequencyofagglomeratesinapigmentedpolymerfilmofdefined compositionandthicknessisame
33、asureofthedispersiblitiyofthepigmentundertest.Themethodcanbeused bothfortransparentandnontransparentfilms. FordetailseeprEN139006(draftstandardinpreparation). 6Precision StatementsonprecisionofthemethodsaregiveninthesubsequentpartsofthisEuropeanStandard.Thesewill generallybelimitedbythedependenceoft
34、heresultsonthechoiceofplasticsmaterialandthemethodof dispersionemployed.BS EN 13900-1:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and a
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