Designation:D2222−19StandardTestMethodforMethanolExtractofVinylChlorideResins1ThisstandardisissuedunderthefixeddesignationD2222;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversthedeterminationofthemetha-nolextract,ornonvolatilemethanol-solubleportion,ofvinylchlorideresins.1.2Themethanolextracttestismostcommonlyemployedwithpaste-ordispersion-typevinylresinsintendedfororgano-solorplastisolapplications.Themajoringredientremovedisthesoapsystememployedinthepolymerizationreaction.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-tics3.Terminology3.1Definitions—DefinitionsareinaccordancewithTermi-nologiesD883andD1600unlessotherwiseindicated.4.SummaryofTestMethod4.1Themethanol-solublematerialsareextractedfromtheresininaSoxhletextractor,themethanolevaporatedtodryness,andtheresidueweighedastheweightpercentmethanolextract.5.SignificanceandUse5.1Themethanolextracttestismostcommonlyemployedwithpaste-ordispersion-typevinylresinsintendedfororgano-solorplastisolapplications.Thetestresultis...
