乙基纤维素.docx

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1、EthylCellulose(EC)BriefIntroductionEthylcellulose(EC)isawhiteorlightgrayflowablepowderorgranule.Itisodorlessandtasteless.ECisgenerallyinsolubleinwaterbutindifferentorganicsolventssuchasalcohol,ether,ketone,arene,halohydrocarbon,andotherorganicsolvents.Therefore,itcanbecompatiblewithvariouskindsofcel

2、luloses,resins,andalmostallplasticizers;EChaslowflammability,lowhygroscopicity,andgoodelectricalproperties,anditsfilmisveryGoodmechanicalstrengthandflexibilityoverawidetemperaturerange.Dissolutionmethod：Themostcommonlyusedmixedsolventofethylcellulose(DS:2.32.6)isaromatichydrocarbonandalcohol.Aromati

3、cscanbeusedbenzene,toluene,ethylbenzene,andxylene,andthelike.Thedosageis6080%;alcoholcanbemethanolandethanol.Thedosageis20-40%.SlowlyaddtheECtothesolventcontainerunderstirringuntilitisutterlywettedanddissolved.Mainapplicationsoftheproduct:Pharmaceuticalindustry:Ethylcellulose(EC)ismainlyappliedintab

4、letbinder,whichcanincreasethehardnessofthetabletandreduceitsfriabilityofthetablet.Asafilm-fbrmingagent,itcanimprovethetabletsappearance,isolatethetaste,preventthedrugfromdeterioratingduetomoisture,andincreasethesafestorageperiodofthedrug.Industrialindustry:Ethylcellulose(EC)iswidelyusedinvariouscoat

5、ings,suchasmetalsurface,paperproducts,rubber,andhotmeltcoatings,aswellasintegratedcircuits;usedinink,suchasmagneticink,gravure,andflexographicink;usedininsulatingmaterialsandcablecoatings;usedaspolymerdispersants;usedasadhesivesforcementedcarbideandceramics;TechnicalspecificationItemSpecificationsKgradeNgradeTgradeEthoxycontent45.0-47.447.5-49.549.6Residueonignition(%)0.40Viscosity(m.Pas20)3,5,7,10,20,50,70,100,150,200,300Lossondrying(%)3.0Solubility(%)99.0HeavyMetaI(%)0.0020package:20kgdrumor10kgdrum