Designation:D5958−99(Reapproved2012)´1StandardPracticesforPreparationofOil-BasedInkResinSolutions1ThisstandardisissuedunderthefixeddesignationD5958;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—ThermometerreferencesandFootnote5wereeditoriallycorrectedinNovember2012.1.Scope*1.1Thesepracticesdescribelaboratoryproceduresforpre-paringanoil-basedinkresinsolutioninahigh-boilingsolventusingfourpiecesoflabequipment;(1)ahotoilbath(Sections4to11),(2)astirrer/hotplate(Sections12to16),(3)anindustrialblender(Sections17to22),and(4)ahotairgun(Sections23to27).ASTMSubcommitteeD01.37recommendsusingthehotoilbathprocedure(PracticeD5597)wherepossible.1.2Thesepracticesuselaboratoryequipmentgenerallyavailableinanormal,well-equippedlaboratory.1.3Oneorseveralofthesepracticesallowsforrapidresinsolutionpreparation(under30min,typical),canregulatethemaximumtemperature,canbedoneunderaninertatmosphere,andcanpreventtherandomsolventlossduringpreparation.1.4Theseproceduresareforusewithinkresinsintendedmainlyforoil-basedoffsetandletterpressinks.Thetypeofresinsaretypically,butnotlimitedtoC9aromatichydrocarbonresins,modifieddicyclopentadieneresins,rosinpentaerythritolorglycerineesters,phenolicmodifiedrosinesters,maleicanhydridemodifiedrosinesters,andnaturallyoccurringresinssuchasgilsonite.1.5ThetypicalhighboilingsolventstobeusedincludeC12toC16petroleumdistillates,2,2,4trimethyl1,3-pentanedioldi-isobutyrate,2alkalirefinedlinseedoil,tridecylalcohol,orcombinationsoftheabove.1.6Toavoidfireorinjury,orboth,totheoperator,thesepracticesshouldnotbeusedwithlowflashpointsolventssuchastolueneorxylene.Theminimumflashpointofthesolventsusedshouldbe60°C(140°F)asdeterminedbyTestMethodD56.(Warning—Usersofthispracticeshouldbeawarethattheflashpointofmanysolventsusedforthistest(asdefinedinTestMethod...
