聚氨酯缔合增稠剂增稠机理及增稠效果研究进展

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,,510641):,,,,:;;;;;:TQ63014+9ResearchofMechanismandThickeningEffectinHydrophobe2modifiedEthoxylatedUrethaneZHANGFang2tao,LUOZhong2yu,XIUYu2ying(ResearchInstituteofMaterialsScience,SouthChinaUniversityofTechnology,Guangzhou510641,Guangdong,China)Abstract:Withtheoutstandingthickeningeffectandpro2environmentcharacter,Polyurethaneassociationthick2enerhasbeendevelopingrapidlyinthecoatingindustry1Thecombinedactionofthespecialhydrophilicandhydro2phobicsegmentshelpstoformacertainassociationnetworkintheemulsion,whichhasgreatlyenhancedthethick2eningeffect1Inaddition,manyfactorssuchasthemolecularweightofthickener,oil2watersectionofthechain,andsurfactant,alsohaveprofoundimpactonitsthickeningeffect1Keywords:hydrophobe2modifiedethoxylatedurethane;molecularweight;molecularweightdistribution;hydro2philicsegment;hydrophobicsegment;surfactant,VOC,,,,,,55%,,,,,,,,,[1],,,,,,1,:;;05©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(HydroxyethylCellulose),,,pH(3-11),,,113,,,,,,,pH,,114,,,,pH,,2(HEUR),,:,818,,--,(),(),,,,,,,,,,,(t=1s),152009382©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[3-14],[15-18,20,22,23]311MyungwoongKim[5]HEUR,,,4000,HEUR,HEUR,PEG,,,MohammadBarmar[8],,,HEUR,HEUR,HEUR,HEUR,,HEUR,,HEUR,HEUR312HEURHEUR,M1Barmar[12]HEUR,NCOOH,10000,,1300023000,313HEUR,,RebeccaMay[13]HEUR,PEGHEUR,HEUR,,,PEG,,,,,,,314,,J.PhilipKaczarsk[14],HEUR,,50025©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1],1[J]1,2006,(3):46-481[2],1[J]1,2006,(3):47-491[3]MBARMARA,MBARIKANI,BKAFFASH1SteadyshearviscositystudyofvariousHEURmodelswithdifferenthydrophilicandhydropho2bicsizes[J]1ColloidsandSurfacesA:Physi2cochemicalandEngineeringAspects,2005,(253):77-821[4]SXMA,SLCOOPER1Shearthickeningina2queoussolutionsofhydrocarbonend-cappedpoly(ethyleneoxide)[J]1Macromolecules,2001,(34):3294-33011[5]MKIM,YWCHOI,JHSIM,etal1Endchainlengtheffectofhydrophobicallyend-cappedpoly(ethyleneoxide)sontheirself-as2sembliesinsolution[J]1J1Phys1ChemB,2004,(108):8269-82771[6]ANAC1LARA-CENICEROS,CLAUDIARIV2ERA-VALLEJO,ENRIQUEJ1JIM*NEZ-RE2GALADO1Synthesis,characterizationandrheo2logicalpropertiesofthreedifferentassociativepol2ymersobtainedbymicellarpolymerization[J].PolymerBulletin,2007,(58):425-4331[7]OQUADRAT,JSNUPAREK,JMIKESOVp,etal1effectofhardcomonomerssty2reneandmethylmethacrylateinethylacrylate/acrylicacidlaticesontheirthickeningwithasso2ciativethickener[J]1ColloidsandSurfacesA:Physicochem1Eng1Aspects,2005,(253):163-1681[8]MKIM,YW1CHOI,JHSIM,etal1Endchainlengtheffectofhydrophobicallyend-cappedpoly(ethyleneoxide)sontheirself-as2sembliesinsolution[J]1J1Phys1ChemB,2004,(108):8269-82771[9]DHKIM,JWKIM,SGOH,etal1Effectsofnonionicsurfactantontherheologicalpropertyofassociativepolymersincomplexformulations[J].Polymer,2007,(48):3817-38211[10]TAUBRY,MMOAN1Hydrophobicallyassoci2atingpolymersasrheologymodifiers[J].RE2VUEDELINSTITUTFRANCAISDUPE2TROLE,1997(52):129-1321[11]OQUADRAT,JHORSKY,JSNUPREK1Effectofstyreneunitsinlaticesofacrylateco2polymerswithstructuredparticlesonthethick2eningwithassociativethickeners[J]1ProgressinOrganicCoatings,2004,(50):166-1711[12]MBARMAR,VRIBITSCH,BKAFFASHI,etal1InfluenceofprepolymersmolecularweightontheviscoelasticpropertiesofaqueousHEURsolutions[J]1Colloid&PolymerScience,2004,(282):454-4601[13]RMay,JPKAXZMAESKI,JEGLASS.Infu2enceofmolecularweightdistributionsonHEURaqueoussolutionrheology[J].Marcro2molecules,1996,(29):4745-4753.[14]JPKACZMARSKI,JEGLASS1Synthesisandsolutionpropertiesofhydrophobically-modifiedethoxylatedurethaneswithvariableoxyethylenespacerlengthst[J]1Macromole2cules,1993,(26):5149-51561[15],1[J]1,2006,(3):47-491352009382©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[16]1[D]1,20061[17],,,1[J]1,2001,(05):32-351[18],,,1[J]1,2006,36(4):1-41[19]TANNABLE,RBUSCALL,RETTELAIE,etal1Therheologyofsolutionsofassociatingpol2ymers:Comparisonofexperimentalbehaviorwithtransientnetworktheory[J]1ASSOCIAT2INGPOLYMERSOLUTIONS,1992,(37):695-7261[20],1[J]1,2001,32(1):36,40-411[21]GMORENO,CVALENCIA,JMFRANCO,etal1InfluenceofmolecularweightandfreeNCOcontentontherheologicalpropertiesoflithiumlubricatinggreasesmodifiedwithNCO-terminatedprepolymers[J]1EuropeanPoly2merJournal,2008,(44):2262-22741[22],1[J]1,2005,43(7/8):1-41[23]1[J]1,2005,43(6):15-181[24]DMMAHLI,MJSTEFFENHAGEN,LLXING,JEGLASS1Surfactantbehavioranditsinfluenceontheviscosityofassociativethick2enerssolutions,thickenedlatexdispersions,andwaterbornelatexcoatings[J]1JournalorCoatingsTechnology,2003,(75):39-511(4)3(1),,,,,(2),,;,(3),,,,[1]AshokKumar1Yadav,Nishkam,Kasturiya1Manu2facturingprocessofacrylicfiberbywetspinning[J]1Man-MadeTextilesInIndia,2000,9(2):421-426.[2]QianBaoJun,PanDing,WuZhenqiu1Themecha2nismandcharacteristicsofdry-ietwet-spinningofacrylicfibers[J]1AdvanceinPolymer