PPO、PET、环氧合金的反应兼容

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1、ReactiveCompatibilizationofPETandPPEBlendsbyEpoxyCouplersDA-WEILO,CHIH-RONGCHIANG,FENG-CHIHCHANGInstituteofAppliedChemistry,NationalChiao-TungUniversity,Hsinchu,Taiwan,RepublicofChinaReceived25July1996;accepted9January1997ABSTRACT:Acommerciallyavailabletetraf

2、unctionalepoxymonomerwasdemon-stratedtobeaneffectivereactivecompatibilizerforblendsofpoly(ethyleneterephthal-ate)(PET)andpolyphenyleneether(PPE).Itrequiresabout10±20%byweightofaconventionalreactivecompatibilizertoachievethesamelevelofcompatibilizationintermso

3、fdomainsizereductionandmechanicalpropertyimprovement.ThisepoxymonomerisabletocontactandreactwithPETandPPEsimultaneouslyduringhighshearextruderblendingtoformthedesirablePET±epoxy±PPEmixedcopolymer.ThismixedcopolymercontainsPETandPPEsegmentsthattendtoanchoratth

4、einterfacetoactasanef®cientcompatibilizerofthePETandPPEblends.q1997JohnWiley&Sons,Inc.JApplPolymSci65:739±753,1997Keywords:polymerblend;reactivecompatibilizer;couplingagent;PPE;PET;epoxyINTRODUCTIONCertainpolymers,oligomers,andsmallmole-culescontainingmultipl

5、eglycidylfunctionalTheamountofyearlypublishedliteratureonthegroups,C±Xn(n2),areabletofunctionaseffec-areaofnonreactivecompatibilizationhasmain-tivereactivecompatibilizersforcertainpolymertainedasteadygrowthrateduringlasttwode-pairsifbothblendconstituentsAandB

6、containthecades.Theamountofliteratureonreactivecom-necessaryfunctionalgroups.4±10Afractionofthepatibilizationwasrelativelyscarcebefore1990,C±XnisabletoreactinsituwithbothAandBbuthasincreasedatanexponentialratesincesimultaneouslytoformthedesiredA±X±C±X±Bthen.R

7、eactivecompatibilizationofpolymermixedcopolymerattheinterfaceandactsasareac-blendshasbeenthesubjectofafewrecentre-tivecompatibilizerfortheblendofA/B.1±3views.Fromapracticalpointofview,areadilyavailableAconventionalreactivecompatibilizationofacompatibilizerwit

8、houtrequiringtimelyconsumedpolymerblendA/BisagraftorblockreactiveC±synthesisishighlydesirable.Inthisarticle,weXcopolymerprovidedthatCisstructurallysimilardemonstrateanotherexamplethatacom