Designation:D5226−21StandardPracticeforDissolvingPolymerMaterials1ThisstandardisissuedunderthefixeddesignationD5226;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticeoutlinestheparametersapplicabletothepreparationofapolymericsolution,suchassolvent,concentration,temperature,pressure,time,agitation,andheat-ingmode.1.2Theproperuseofthispracticerequiresknowledgeofsolventsandtheireffectonpolymericmaterials.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD1600TerminologyforAbbreviatedTermsRelatingtoPlas-tics2.2OtherDocument:PolymerHandbook33.Terminology3.1Fordefinitionsoftermsthatappearinthispracticerelatingtoplastics,refertoTerminologyD883.3.2AbbreviationsareinaccordancewithTerminologyD1600.4.SummaryofPractice4.1Apolymersolutionisdescribedorpreparedusingthecellclassificationslistingtheparametersrelativetosolvatethepolymer.Thecellclassificationsarelistedinthefollowingorder:polymer,solvent,concentration,temperature,time,container,heatingmode,andagitation.4.1.1ApolymerandalistofsuggestedsolventsformakingasolutionarelistedinAnnexA1.4.1.2Table1designatestheparametersforcontainer,heat-ingmode,andtypeofagitation.NOTE2—Toillustratetheuseofthecel...
