改性二水石膏二氧化硅復(fù)合材料在樹脂基人造大理石中的應(yīng)用研究

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