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1、SodiumCarboxyMethylCellulose(CMC)BriefIntroductionVitalcelloseSodiumcarboxymethylcellulose(CMC)isananioniccelluloseethermadefromnaturalcottonfiberastheprimaryrawmaterialthroughalkalization,etherification,purification,drying,pulverization,orgranulation.TheappearanceofCMCiswhitepowderorgranules,andits
2、water-solublecolloidhasthefunctionsOfthickening,stabilizing,emulsifying,suspending,andfilm-forming.Theyarewidelyusedinfoodztoothpaste,paper;ceramics,printinganddyeing,oildrilling,andotherindustries.FoodGradeCMCTechnicalSpecificationsofFoodgradeCMCTypeItemVFlOlVF500VFlOOOVF3000VFSOOOVF7000VFG1000(Gra
3、nular)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
4、.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,highsolutiontransparencyles
5、sfreecellulose,gelparticles,fastdissolutionspeed,andreasonablesolutionfluidity.Usedinfood,itcanimprovetheproductstaste,grade,andqualityandprolongtheshelflife.1. CMCcanpreventtheproteininyogurtfromcoagulatingandavoidcausingprecipitationanddelamination.2. CMCcaneffectivelymix,disperseandemulsifywaterf
6、at,andproteininicecream,andcanavoidtheappearanceoficecrystals,improvetasteandkeepuniformityoffinalproducts.3. CMChasgoodnatureofsubstitutionanduniformitytoensurethestabilityofacidicbeveragesandextenditsshelflife.4. CMCitselfhasnocatorificvalueandisagoodoptionformakinglow-caloriefoodsBatterygradeCMCT
7、ypeViscosityI%,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-30002500-40000.95-1.20Sodiumcarboxymethylcelluloseiswidelyusedinthebatteymanufacturingindu
8、stjyasabinderfornegativeelectrodematerialsoftheaqueoussystem.Theoptimalamountaddedcanobtainalargerbatterycapacity;IOngercyclelife,andlowerresistance.TheeffectofCMConthebattery:1. Improvethestabilityandfluidityofwater-resistingmaterialdispersedinsolution2. Dispersethenegativeelectrodeactivematerialan
9、dconductiveagent3. Adhesiveandprotectiveactivesubstances4. Preventprecipitationofactivesubstances5. DeconstructionofstablepolepiecestoimprovebatterychargeanddischargeperformanceFeaturesofbattery-gradeCMC1. Improvebatteryliquidsedimentation.VitalceltoseCMCgroupsubstitutionisuniform,andproductstabilit
10、yisstableincontinuousobservation72hstatictest2. Goodpermeability-fewerimpurityparticlesinCMC,almostnoinsolublematterafterthedissolution3. Changethephenomenonofpolepiececracking.ComparedwithotherCMC,theVitalcelloseCMCpolepiecehasbettersoftness,whichcansolvetheproblemofthepolepiececrackingwellTextileG
11、radeCMCTypeViscosity,mPa.s(1%Soln.)D.SMoisture%pHValuePhysicalFormTVX13200-20001.3-1.4106.5-9.0(Powder/Granular)TVX15200-15001.5-1.6TVX17200-12001.7-1.8TVX2022002.0minCustomizetheviscosityandgranularformsaccordingtocustomerrequirements.CMCismainlyusedastextilesizingandprintingpasteinthetextileindust
12、iy.Withthefunctionofathickener;emulsifier;andsuspendingagent,CMCalsocanuseasaprintingpaste.CMCisnoteasytoreactwithreactivedyesbuteasytoformapastewithstablestorage;printinganddyeinggradeCMChasfewergelparticles,hightransparency;excellentperformanceOfpermeabilityandsuctionfiltration,stableviscosityandc
13、anenhancethehydrophilicityandpenetratingabilityofdyes,therebyimprovingtheclarityOfprintingandtheadhesionofpigment.PrintinganddyeinggradeCMChasgoodrheologypropertiesandismoresuitableforfinepatternprintingOfhydrophilicfibertextilesthansodiumalginate.TheactualprintingeffectiscomparabletothefatterItcanr
14、eplacesodiumaIginateorcompounditinaprintingpaste.CoatingGradeCMCTypeViscosity(Brookfield,l%.25oC)Purity%ApplicationCMCP20MS2000-3000CPS95CoatingCMCP30MS3000-4000CPS95CoatingCMCGP50M(Granular)5000-6000CPS95CoatingThecoatinggradeCMCadoptstheslurryproductionprocess,whichmakestheetherificationreactionof
15、theproductmoreuniform,thedegreeofsubstitutionishighe;andtheproducthasexcellentanti-enzymeperformanceanddispersibility.Asapaintthickene;ithasthefolbwingfunctions:1. Asastabilizeritcanpreventthecoatingfromseparatingduetosuddenchangesintemperature.,2. Itcanbeusedasathickenertomakethecoatingstateuniformandachievetheidealpreservingandusingviscositywithoutseveredelaminationduringthestorageperiod3. Itcanminimizethedrippingandsaggingofpaintandiseasytoapply.TheIns
