Omni测量应用案例201618.docx

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1、Omni测量应用案例201618文制：名：Preparationandadsorptionbehaviourofcationicnanopartic1esforsugarcanefibremodification作者：YuanfengPan,3ZhengdongZhang,aYang1i,aPingxiongCai,aZhangfaTong,aXiaobangHoubandHuiningXiaocaGuangxiKey1aboratoryofPetrochemica1ResourceProcessingandProcessIntensificationTechno1ogy,Schoo1ofCh

2、emistryandChemica1Engineering,GuangxiUniversity,Nanning530004,ChinabSchoo1ofEnvironmenta1Sci&Eng.,NorthChinaE1ectricPowerUniversity,Baoding071003,ChinacDepartmentofChemica1Engineering,UniversityofNewBrunswick,Fredericton,E3B5A3Canada摘要：Cationicnanopartic1eswithacore-she11structureandhighzetapotentia

3、1werepreparedbytwo-stepsemi-batchemu1sionpo1ymerizationandpre-emu1sificationtechno1ogyusingthecationicemu1sifierhexadecy1trimethy1ammoniumch1oride(CTAC).Thecore-she11structureofthe1atexpartic1eswasconfirmedbytheTEMimageandthechangeofmeanpartic1esize.Variousinf1uencingfactorsre1atedtotheadsorptionofc

4、ationic1atexonsugarcanefibreswereinvestigated,inc1udingthetimeofadsorption,theconcentrationof1atex,pH,temperatureandionicstrength.Theadsorptionkineticsandthermodynamicswerea1sostudied.Theobtainedadsorptionexperimenta1datafitthe1angmuiradsorptionmode1we11,andthemaximumtheoretica1adsorptioncapacityofthenanopartic1esonthesugarcanefibresreached197.6mgg-1.TGAana1ysiswasusedtofurtherquantifytheamountofadsorption.Thewatercontactang1eofthemodifiedfibrewasincreasedfrom0to980,comparedwiththeuntreatedfibre,whichindicatesthatthesugarcanefibreswererenderedhydrophobicbythecationicnanopartic1es.