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1、Macromolecules1989,22,2911-29172911MechanismandKineticsofCuringofEpoxidesBasedonDiglycidylaminewithAromaticAmines.2.TheReactionbetweenDiglycidylanilineandAniline?LiborMatgjka*andKarenDugekInstituteofMacromolecularChemistry,CzechoslovakAcademyofSciences,16206Prague6,Czechoslovakia.ReceivedAugust10
2、,1988;RevisedManuscriptReceivedDecember12,1988ABSTRACTThemechanismofcuringofepoxideresinsbasedondiglycidylaminewithpolyfunctionalaromaticamineswasstudiedbyusingthemodelsystemdiglycidylaniline-aniline.TherateconstantsoftheparticularpartialreactionsweredeterminedbymeansofHPLCandGPC.Specificfeatures
3、ofthemechanismofreactionofdiglycidylamineepoxideswithamines,i.e.,themutualdependenceofreactivitiesoffunctionalgroups,thepositivesubstitutioneffectofepoxygroupsindiepoxide,andaconsiderabletendencytocyclization,arediscussedusingresultsofthefirst'andsecond(this)partofthestudy.Thekineticdescriptionof
4、theadditionreactionwascarriedoutbymeansofaschemewithfourkineticequations,takingintoconsiderationthedependenceofreactivitiesofepoxygroupsindiglycidylanilineandhydrogenatomsintheprimaryorsecondaryaminogroups.Alongwiththeintermolecularadditionalsotheintramolecularonetakesplace.Formationofeight-membe
5、red"nitrogen"ringsatthebeginningofthereactionwasproven.IntroductionbetweenepoxideandtheOHgroupoftheformingprod-Curingofepoxideswithamineswithparticipationofucts)becomesoperative.polyfunctionalcomponentsleadstotheformationofInpartl1wediscussedthemechanismofthemodelcross-linkedproducts,thestructure
6、sofwhichgreatlyde-reactionofDGA(E)withsecondaryamines,i.e.,N-pendonthemechanismandkineticsofthereaction.Amethylaniline(NMA)andl-anilino-3-phenoxy-2-propanoltheoreticaldescriptionofnetworkformationanddevel-(S).Lowmolecularweightproductsareformedduringthisopmentofnetworkstructureduringcuringispossi
7、blebyreaction;highermolecularweightcomponentsariseonlymeansofthetheoryofbranchingprocesses.Sofar,byetherification,whichmakespossiblearelativelysimplecross-linkingofthediglycidyletherofbisphenolAanalysisofthesystem.Onth
