改性二水石膏二氧化硅復合材料在樹脂基人造大理石中的應用研究

1、武漢理工大學碩士學位論文改性二水石膏二氧化硅復合材料在樹脂基人造大理石中的應用研究姓名：張曉瑩申請學位級別：碩士專業(yè)：礦物加工工程指導教師：朱瀛波20081201武漢理f：人學碩士學位論文ABSTRACTResinbasedartificialmarble，mainlycomposedofresin，inorganicfiller，pigmentandotheradditivesItisanewkindluxuriousdecorati

2、onbuildingmaterialArtificialmarblenotonlylookslikenaturalone，butiSmoreflexibleimpact，oilresistantandfeeImorecomfortableAnditiSnowbeingusedinalargequantityinsomekindoffieldsNowdays，manymanufactoriesuseATHasartificialmarbl

3、efillerbutbecausethehighpriceandotherreasons，wemustlookingforareplacementinsteadofATHCalciumsulfatedihydrate，alsoknownasgYPsum，isoneofthemostcommonmineralsonearthInadditiontopuritywhitenessandsoftness，calciumsulfatefille

4、rprovidesfunctionaladvantagesuchasflameretardantandsimilarrefractiveindextoUPresin，SOwecanuseitasfillertoextendUPresinButithighcontentfillerwillbringonthecompoundsystemaresomewhathardertolloutSOwemustlookingforawayteduci

5、ngsystemviscositybyloweringresinviscositytheconclusionsaredrawnasfollows：1ViscosityofthesystemisinfluencedbyseveralfactorssuchasCaS042H20particlesizeProportionofthewei曲tofCaS042H20tothatofUPresinandambienttemperature。And

6、comparetheartificialmarble’SpropertieswithCaS042H20andKrH，wefindtheyallhavesimilarflameretardant，Barcolhardnessthelighttransmission；butformechanicalproperties，theATHsheetsarebetterthanCaS042H20powdersheets2Blend30％weight

7、proportionquartztotheCaS042H20filler，meviscosity，BarcoIhardness，waterresistance，tensilestrength，impactstrengthofthesystemare34578PaS，642Hba，0011％，518Mpa，5502KJ／m23Inordertoenhancethemechanicalpropertyofthecompositionsyst

8、emWeusethesilanecouplingagentWD70modifiedthefillerTheexperimentresultshows，theoptimumtechnicalconditioniSasfollows：surfactantdosageis2％，modificationtemperatureis80℃，modificationtimeis15min；underthisconditionactiveexponen

9、tofmodifiedproductisO904andcontactangleis9784TheresearchexpressesthatcomparetothefillerofATH，usethemodifiedpowderwithsilanecouplingagentmodifiedasthefilleroftheartificialmarblenotonlycanenhancethemechanicalpropertiesofth