Designation:D6989−03(Reapproved2013)StandardPracticesforPreparationofSolventandWaterBasedInkResinSolutions1ThisstandardisissuedunderthefixeddesignationD6989;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesepracticesdescribelaboratoryproceduresforpre-paringasolventorwaterbasedinkresinsolutioninlowboilingsolventoralkalinewaterusingtwotypesoflabequipment;(1)anindustrialblender(Sections3-7),and(2)alaboratoryrollermill(Sections8-12).NOTE1—ASTMSubcommitteeD01.37recommendsusingtheindus-trialblenderwherepossible.1.2Thesepracticesuselaboratoryequipmentgenerallyavailableinanormal,well-equippedlaboratory.1.3Theseproceduresareforusewithinkresinsintendedmainlyforliquid(forexample,flexographicandrotogravure)inks.Thetypeofresinsistypically,butnotlimitedto,acrylicandstyrene/acryliccopolymers,polyamides,polyesters,polyvinylbutyral,andmaleated/fumaratedrosinesters.1.4Thetypicallowboilingsolventstobeusedincludeethanol,isopropanol,n-propanol,ethylacetate,isopropylacetate,andn-propylacetate.Forwaterbasedinkresinsolutions,waterisusedincombinationwithammoniumhydroxideoraminessuchasdimethylethanolamine,monoethanolamine,andtriethylamine.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.Terminology2.1Definitions:2.1.1coldcut,n—dispersionofresinintosolventusinghighsheardispersionwithoutexternalheating.2.1.2compatibility,n—theabilityoftwoormoredifferingsubstancestobemixedtogetherwithoutresultantkick-outorhaziness.2.1.3dissolution,n—thepointatwhichallresincompletelydissolvesi...
