hemc改性水泥砂浆性能及微结构的研究

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1、withhi曲polymerizationdegrees’HEMCcouldentrainmoreair；themodifiedsandslurrysamplestestedXRD，TG·DSC·DTGanalysisandFT-IRanalysis，HEMC’Sinvolvementdidnotchangethemodifiedslurry’Stypesofhydrationproductsineachageperiodanddidnotgenerateanewphase，andthehydrationproductsincl

2、udedettringite，calciumhydroxide，CSHgel．HEMCcouldsignificantlydelaythehydrationproductstheretardingeffect；HEMCdifferentdegreesofpolymerizationhadlittlediversitiesonthehydrationofcement，andHEMChardlyhadanyinfluencesinthelateperiod；hydratedfor3d，itWasobservedinmodifiedg

3、routbodythattherewassmallnumberofclumpsoffmecashmere-likefiberstructureofC-S-I-Igel，shotoutwardcollectively,andtheettringitesizeWascoarse，shortandinsmallnumber；hydratedfor28d，thestructureofthepurecementmudandthemodifiedmortarshadbeenverydensecompletedevelopmentofthec

4、rystal．TherewerealargenumberofCSHgelandhexahedralCa(OH)2crystalsonthesurfaceofsolidacrossamongthesolidparticles，appearingthereticularstructureofmutualcross-linking，．Besides，withinthescopeoftheview,fewettringitecrystalswereobserved．K呵Words：HEMC；cementmortar；workabilit

5、y；mechanicalprope啊；micro·structuralfeaturesV武汉理工大学硕士学位论文目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．IAbstract⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．Ⅲ目i囊⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯l第1章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一41．1研究背景⋯⋯⋯⋯⋯

6、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。41．2纤维素醚的结构、性能及在水泥基材料中的应用⋯⋯⋯⋯⋯⋯⋯⋯⋯j⋯⋯⋯⋯⋯41．2．1纤维素醚的种类和结构⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯。41．2．2纤维素醚的基本性能和应用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯71．2．3纤维素醚在水泥基材料中的作用⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．91．3国内外研究现状及研究进展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯lO1．3．1国内研究现状和进展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．101．3．2

7、国外研究现状和进展⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯121．4研究意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯141．5研究内容和技术路线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯141．5．1研究内容⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．141．5．2技术路线⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯16第2章原材料和试验方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯172．1原材料⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯

8、172．1．1普通硅酸盐水泥⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．172．1．2纤维素醚⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．172．1．3其他⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯．．172．