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1、超低VOC含量乳胶涂料配制技术—乳液混拼技术Thisarticleiscontributedby111jjj999PdfdocumentsmayexperiencepoorbrowsingontheWAPside・ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.PreparationtechnologyofsuperlowVOCcontentlatexcoatingEmulsionmixingtechniqueLiuYongzhen,ChenPeng,Ren
2、Xiuquan,FanWen(TianjinCityBuildingMaterialsScienceResearchInstitute,Tianjin300381)Abstract:usingthesameemulsioncopolymerizationmonomersynthesisofdifferentglasstransitiontemperature,highglasstemperatureiscalledhardemulsion,lowglasstransitiontemperatureiscalledsoftemulsionbysoftemuls
3、ionindifferentproportionblendinganddeterminetheminimumfilmformingtemperatureAdhesionandmechanicalproperties,andcomparedwiththeperformanceofthecorrespondingsinglesyntheticemulsion.Keywords:mixing;softemulsion;hardemulsion;antiadhesion1PrefaceWiththeincreasingrequirementsofenvironmen
4、talprotection,thevolatileorganiccompounds(volatileorganic,compounds,VOC)arerestrictedmoreandmorevoices,thisisduetotheemissionofVOCisoneofthemaincausesofphotochemicalpollutionandthedestructionoftheozonelayerandtheconsiderablenumberofVOCisthereforederivedfromindustrialandarchitectura
5、lcoatings.Productionofpollution-freegreenlowVOCandultralowVOCcoatings,inordertoprotecttheecologicalenvironmentisveryserious,hasbecomeanimportanttrendinthelatexpaintcoatingtechnologyforthedevelopmentofthepolymeremulsionasmainfilm-formingmaterial,duetothedispersionofpolymeremulsionph
6、aseofwater,theenvironmentaladvantagesisrichlyendowedbynature・However,italsocontainsatleast4%VOCintopolymerparticlesinlatexmembranefusionprocessinVOCMostofthemfromcoalescentsaccordingtothemechanismoffilmformationoflatexpaint,polymeremulsioninpolymeriftoohard,theminimumfilm-formingte
7、mperature(MFT),iftheconstructiontemperatureisclosetoorlowerthanMFT,whilethelatexpaintcannotformacompletefilmorfilmisnotsufficient,sotherethefilmglossisnotdecreasedadhesiontoalthoughtheabovewillberesistancedurabilitydropandgoodproblemofcracksandunevencolorsubstrate;ifthepolymeristoo
8、soft,buttheemergenceofnewd
