Sidleycel 羧甲基纤维素醚.docx
SodiumCarboxyMethylCellulose(CMC)BriefIntroductionVitalcelloseSodiumcarboxymethylcellulose(CMC)isananioniccelluloseethermadefromnaturalcottonfiberastheprimaryrawmaterialthroughalkalization,etherification,purification,drying,pulverization,orgranulation.TheappearanceofCMCiswhitepowderorgranules,anditswater-solublecolloidhasthefunctionsOfthickening,stabilizing,emulsifying,suspending,andfilm-forming.Theyarewidelyusedinfoodztoothpaste,paper;ceramics,printinganddyeing,oildrilling,andotherindustries.FoodGradeCMCTechnicalSpecificationsofFoodgradeCMCTypeItemVFlOlVF500VFlOOOVF3000VFSOOOVF7000VFG1000(Granular)VFG3000(Granuhr)VFG5000(Granular)VFG7000(Granuhr)VFG8000(Granular)Purity(%)99.599.5299.599.599.599.599.599.599.599.599.5Viscosity(mPas)80-120*200-5001000-20003000-40005000-60007000-80001000-20003000-40005000-60007000-80008000DegreeofSubstitution1.00.80-0.950.80-0.950.80-0.950.80-0.950.80-0.950.80-0.950.80-0.950.80-0.950.80-0.950.80-0.95LossonDrying(%)<10.0pHValue(l%)6.5-9.0RemarksTestmethod:ViscositymeasuredonbasisWetsampleof1%watersolution,at25DegCfBrookfiekiViscometerLVTD-I+TyPe,#2-4#SPindie,3OrPm.*1is2%watersolutionVitalcelloseCMChasgoodacidandsaltresistance,highsolutiontransparencylessfreecellulose,gelparticles,fastdissolutionspeed,andreasonablesolutionfluidity.Usedinfood,itcanimprovetheproduct'staste,grade,andqualityandprolongtheshelflife.1. CMCcanpreventtheproteininyogurtfromcoagulatingandavoidcausingprecipitationanddelamination.2. CMCcaneffectivelymix,disperseandemulsifywaterfat,andproteininicecream,andcanavoidtheappearanceoficecrystals,improvetasteandkeepuniformityoffinalproducts.3. CMChasgoodnatureofsubstitutionanduniformitytoensurethestabilityofacidicbeveragesandextenditsshelflife.4. CMCitselfhasnocatorificvalueandisagoodoptionformakinglow-caloriefoodsBatterygradeCMCTypeViscosityI%,mPas(BrookfieldLvtd30rpm)DegreeofsubstitutionPHMoisture%Purity%Mg+%Fe+%BVT-10010-1000.95-1.206.5-8.510299.50.02三0.02BVT-500100-10000.95-1.20BVT-100O800-16000.95-1.20BVT-20001600-25000.95-1.20BVT-30002500-40000.95-1.20Sodiumcarboxymethylcelluloseiswidelyusedinthebatteymanufacturingindustjyasabinderfornegativeelectrodematerialsoftheaqueoussystem.Theoptimalamountaddedcanobtainalargerbatterycapacity;IOngercyclelife,andlowerresistance.TheeffectofCMConthebattery:1. Improvethestabilityandfluidityofwater-resistingmaterialdispersedinsolution2. Dispersethenegativeelectrodeactivematerialandconductiveagent3. Adhesiveandprotectiveactivesubstances4. Preventprecipitationofactivesubstances5. DeconstructionofstablepolepiecestoimprovebatterychargeanddischargeperformanceFeaturesofbattery-gradeCMC1. Improvebatteryliquidsedimentation.VitalceltoseCMCgroupsubstitutionisuniform,andproductstabilityisstableincontinuousobservation72hstatictest2. Goodpermeability-fewerimpurityparticlesinCMC,almostnoinsolublematterafterthedissolution3. Changethephenomenonofpolepiececracking.ComparedwithotherCMC,theVitalcelloseCMCpolepiecehasbettersoftness,whichcansolvetheproblemofthepolepiececrackingwellTextileGradeCMCTypeViscosity,mPa.s(1%Soln.)D.SMoisture%pHValuePhysicalFormTVX13200-20001.3-1.4<106.5-9.0(Powder/Granular)TVX15200-15001.5-1.6TVX17200-12001.7-1.8TVX2022002.0minCustomizetheviscosityandgranularformsaccordingtocustomerrequirements.CMCismainlyusedastextilesizingandprintingpasteinthetextileindustiy.Withthefunctionofathickener;emulsifier;andsuspendingagent,CMCalsocanuseasaprintingpaste.CMCisnoteasytoreactwithreactivedyesbuteasytoformapastewithstablestorage;printinganddyeinggradeCMChasfewergelparticles,hightransparency;excellentperformanceOfpermeabilityandsuctionfiltration,stableviscosityandcanenhancethehydrophilicityandpenetratingabilityofdyes,therebyimprovingtheclarityOfprintingandtheadhesionofpigment.PrintinganddyeinggradeCMChasgoodrheologypropertiesandismoresuitableforfinepatternprintingOfhydrophilicfibertextilesthansodiumalginate.TheactualprintingeffectiscomparabletothefatterItcanreplacesodiumaIginateorcompounditinaprintingpaste.CoatingGradeCMCTypeViscosity(Brookfield,l%.25oC)Purity%ApplicationCMCP20MS2000-3000CPS95CoatingCMCP30MS3000-4000CPS95CoatingCMCGP50M(Granular)5000-6000CPS95CoatingThecoatinggradeCMCadoptstheslurryproductionprocess,whichmakestheetherificationreactionoftheproductmoreuniform,thedegreeofsubstitutionishighe;andtheproducthasexcellentanti-enzymeperformanceanddispersibility.Asapaintthickene;ithasthefolbwingfunctions:1. Asastabilizeritcanpreventthecoatingfromseparatingduetosuddenchangesintemperature.,2. Itcanbeusedasathickenertomakethecoatingstateuniformandachievetheidealpreservingandusingviscositywithoutseveredelaminationduringthestorageperiod3. Itcanminimizethedrippingandsaggingofpaintandiseasytoapply.TheInstantCMCinMSseriescanbedispersedwithin30minutesanddissolvedinwatertoformatransparentanduniformcolbidalsolutionwithoutprobngedsoakingandvigorousstirring.Granularproductsdissolvefasterandmoreefficientlythanordinaypowderproducts,reducingproductioncosis.ToothpasteGradeCMCIyPeViscosity(Brookfield,l%.25oC)Purity%ApplicationCMCTH500200-500CPS99.5ToothpasteCMCisoneoftheimportantrawmaterialsfortoothpastemanufactory.Itmainlyplaysaroleinshapeforming,pastingandmolding,soastoformtheshapewithproperviscosity,aswellascertainglossinessanddelicacy.1 Goodcompatibilitywithvariousrawmaterialsintoothpasteandpreventstheseparationoffrictionagents2 Makingpastedelicate,water-free,shell-free,andprolongstheshelflife3 CMChashightransmittanceafterdissolution,andhasbetterrheologicalandthixotropicproperties.PapermakingGradeCMCVitalcelloseCMCViscosity(Brookfield,4%250C)Purity%ApplicationsCV-5(Granular)20-50CPS90.0/98.0PaPerMakingCV-IO(Granular)50-100CPS90.0/98.0PaperMakingCMCisusedinthepreparationofcoatedpapercoatingsinthepaperindustry,andappliedasWet-endadditives,surfacesizingagentsandsoon:1 Controlandadjusttherheologyofcoatingsanddispersibilityofpigments2 Goodfilm-formingpropertiesandimprovestheglossofthecoating3 .ImprovetheretentionrateofbrightenersincoatingsandimprovepaperwhitenessDetergentGradeCMCTypeViscosityPurity%ApplicationCMCD55-40CPS(Brookfield,2%.25°C)70WashingpowderCMCD3000S3000-4000CPS(BrOOkfield,1%.25°C)95LaundrydetergentCMCD4000S4000-5000CPS(Brookfield,l%.25°C)95LaundrydetergentCMCD3000SD4000SisaninstantdispersingCMCwithnoagglomeration,fastdissolution,andhightransparency.SodiumCarboxymethylcellulosecanmakethewashingliquidhavespecificviscosity,thickening,dispersing,andemulsification,andalsopreventthede-depositionofdirt.TheworkingprincipleisthatnegativelychargeddirtgranulesandchargedsodiumCarboxymethylcellulosemolecularabsorbingonfabricshasmutualelectrostaticrepulsion.Sothatthewhitefabriccanmaintainitswhitenessandthecoloredfabriccanbebrightlycolored.CeramicGradeCMCTyPeViscosityPurity%ApplicationCMCCGlOOO(Powder/Granular)800-1200CPS(Brookfield,l%.25°C)95.0PrintingglazeCMCCG2000(Powder/Granular)1500-2500CPS(Brookfield,l%.25°C)95.0PrintingglazeCMCC2000S1500-2500CPS(BroOkfieId,1%.25°C)95.0PrintingglazeNotes:CMC2000SisansurfacetreatmentCMC,whichcanquicklydisperseinthesolution,avoidagglomeration,reducetheoperationtime,andformatransparentandviscoussolutiona代erstirringfor20-30minutes.FunctionsofCMCinceramicglaze:1. Excellentdispersibilityandprotectivecolloidpropertiesmaketheglazeslurrystablewithoutdelamination.2. Adjusttheviscosityoftheglazeslurrysothatithasgoodrheologicalproperties,whichisconvenientforglazing3. Theproduct'sdegreeofsubstitutionisuniform,withfewergelparticles,noinsolublematter;andlessresidueonthesieve.Oil-drillingGradeCMCProductItemsSpec.CMC-HVTViscometerdialreadingat600rpmIndistilledwater30In40gdm3saltwater30Insaturatedsaltwater>30APIFiltratexm310CMC-LVTViscometerdialreadingat600rpm90APIFiltratexm3<10ComplywithGBT5005-2001andAPI-13AstandardsOildrillinggradeCMC:CMCisahigh-purity,high-efficiencypulpingagentwithsolidresistancetosaltandtemperature.Compatiblewithseawaterandsaturatedbrine.Ithelpsstabilizethesoftsoilstructure,preventsthewell,swallfromcollapsing,increasesslurryproduction,reducesfiltrationloss,andimprovesthedrillingspeedandoilrecoveryrate.Oil-drillingGradePolyanionicCellulose(PAC)Appearanceviscosity(mpa.s)APIFiltrateVolumeMoisture%Degreeofsubstitution(D.S.)Purity%PAC-LV40<1610>0.970/95PAC-HV502310>0.990/95ComplywithAPI-13AstandardsCustomizedproductsareavailableaccordingtocustomers,specialrequirements.ThefunctionsofPolyanionicCellulose(PAC)indrillingfluid:l,Thehighdegreeofsubstitutionanduniformity,hightransparency,controllableviscosity,andwaterlossreduction;2,Anywater-basedslurrysuitableforuseinfreshorseawater;saturatedbrine;3,Themudcanincreasethequantityandreducethefiltration;4,PACisanexcellentmudfordrilling,repairing,andefficientlyfracturingfluid.