納米SiO-,2-透明耐磨涂層的制備與研究.pdf

1、分類弓UDC密級學號01210661移粉卯歹幺霉碩士學位論文納米SiOz透明耐磨涂層的制備與研究學科名稱：食品科學(包裝工程)學科門類指導教師工學黃穎為副教授楊斌講師AbstractTitle：PREPARATIONOFNANOSi02TRANSPARENTANDABRASl0NRESISTANTCOATINGANDSTUDYONITSPROPERTIESMajor：PACKAGEENGINEERINGName：JiyuYangSupe

2、rvisor：AssociateprofYingweiHuangSupervisor：LectorateBinYangAbstractSignature：Signature：Signature：j渺一bOverthepasttenyearsresearchintothespecialfunctionalpropertiesofnanometermaterialshavebecomeahottopicinmanycountriesworl

3、dwideThecombineofinorganicnanometermaterialswithorganicpolymerscarriesitssignificanceinpmducingabrasion—resistantcoatingswithhightransparencyAppliedtowoodenfnmitttrefloorboardsandresinlensetc，suchpropertiesareespeciallyd

4、esirableInthisthesis，wefirstlookattheuseofstericacidinthesurfacetreatmentofnano—Si02StericacidreactswithhydroxidegroupsOnthesurfaceofrialtoSi02andsuchsurfacetreatednano—Si02iscombinedwithalkydtoproducetransparentandabras

5、ionresistantcoatingsThebestresultisachievedwiththeadditionof5wt％ofnano—Si02，whichhasincreasedtheabrasionresistanceby99％Scratch—resistanceandhardnessarealsoimprovedthelatterreaching2HintheWolffWilbomPencilTestDiscussionsa

6、rethengiventotherelationbetweentheparticlevolumeconcentration(PVC)andtheabrasionresistance，scratchresistanceandhardnessofthecoatingItisdeterminedthataPVCofabout206％(5叭％)isacriticalvalueatwhichmanyofthecoating’Sproperties

7、showabruptchange，thusconfirmingthatthenanometermaterialcoatingfollowstheCPVCtheoryobeyedbyordinarycoatingsThemechanismthroughwhichthellano—materialimprovesthecoating’Sabrasionresistanceisexamined，includingthechoiceofresi

8、nandllano—particlesandthemechanismoflubricationTheaqueousdispersionofllano—Si02istheninvestigatedThiscoversthetypeofdispersant，dispersantdosage，pHvalue，dispersiontime，dispersionmethodandtheinfluenceofthenano—particleconc