加成型液体硅橡胶的底涂剂及增粘剂_续_(8)

介绍底涂和增粘剂

第5期ABSTRACT 　55

andthendecreasedlater;itstensilestrengthandtensileelon2

gationdecreasedfirstly,andthenincreasedsubsequently;anditsviscositywenthigher.WhenthevolumefractionofAl2O3was0107,theRTV-2siliconerubberhadgoodther2malconductivityandprocessingproperty,butwithlowme2chanicalproperties.

Keywords:RTV,siliconerubber,heatconductive,Si3N4,AlN,Al2O3

Synthesisofmethyltrimethoxysilanebysolution.JIANGZhen2hua,CHENFa2de,ZHANGJin,WANGDong2po(HubeiProvincialResearch&DesignInstituteofIndustry,Wuhan,Hubei430073).Y,,19(5):18～20

Abstract:meansofsolutionandmethanolasrawinfluenceofreactionconditions,asni2trogenflow,offillerandsolvent,andmoisturecontentinmethanol,ontheyieldofproductwasdiscussed.Thesyn2thesisconditionofmethyltrimethoxylsilanewasthatnitrogenflow012m3/h,temperature80℃,withsolventdimethylbenzeneandfiller5mmglassspring,andwatercontentinmethylalcoholmoistureunder500×10-6.Keywords:methyltrichlorosilane,methanol,methyltrimethoxylsilane

Commentsonproductiontechnologyofsiliconpowder.CHANGSen(ZhejiangMetallurgicalResearchInstitute,Hangzhou,Zhejiang310007).YoujiguiCailiao,2005,19(5):21～23

Abstract:Itwasintroducedthatthetechniquerequirementsofthesynthesisofmethylchlorosilaneforsiliconpowder.ThecommonusedtechnologyfortheproductionofsiliconpowderwereRaymond,doubleroll,discmill,pressing-turning.Thetechniqueswerecomparedfromtheactivityandparticlediameterofsiliconpowder,theproductionca2pacityofasingleunit,theprocessingcosts,serviceabilityandenvironmentalprotection.Itwasdiscussedthattheef2fectsoftheproductiontechnologyonthemicrostructure,ac2tivity,particlediameteranditsdistribution,appearanceofsiliconpowder.Thecharacteristicsofthemillingcuttingtoolsfortheproductionofsiliconpowderwerealsointro2duced.

Keywords:silicon,siliconpowder,methylchlorosilane,Raymond,doubleroll,discmill,pressing2turning

MainfactorsaffectingvulcanizationtimeofRTVblockmethylsiliconerubber.LICun2feng(BeijingHuaerCompa2ny,Limited,Beijing100022).YoujiguiCailiao,2005,19(5):24～25

Abstract:Itwasdiscussedthatthemainfactorshavingef2fectonthevulcanizationtimeofRTVblockmethylsiliconerubber,suchasthemolratioofethoxylandsiliconehydrox2yl,thepHvalueofmethyltriethoxysilane,andthecontentofironionsimpurityinmethyltriethoxysilane,temperature,

moisture,andthequantityofcatalyst.Italsowasintroducedthewaysofpreventingandcontrollingthefactors.

Keywords:RTVblockmethylsiliconerubber,methyltri2ethoxysilane,α,ω-dihydroxylpolydimethylsiloxane,ethoxyl,siliconehydroxyl,ironions

ProgressinstudyofUV2curablesiliconeLIUChang2li,WUWen2jian,ZHANGXue,ManYa2hui(Collegeofand,National,410073).,,5)26introductionofclassificationof,thedevelopmentinthestudyofUVsiliconeprepolymersofvinyl,acrylate,epoxy,styrene,vinyletherwassummarized.ThepreparationofUVcurablesiliconemodifiedacrylatewasdiscussed.ItalsointroducedthecurrentconditionofUVcurablesilicones,whichwouldhaveagoodfutureforapplication.

Keywords:UV2curable,silicone,polysiloxane,siliconemodifiedacrylate,epoxy

Studyonepoxyresinmodifiedbypolysiloxanes.LIXiao2ru,CONGLi2xiao,ZHANGSheng2you,FENGSheng2yu(SchoolofChemistryandChemicalEngineering,ShandongUniversity,Jinan,Shandong250100).YoujiguiCailiao,2005,19(5):33～36

Abstract:Itwassummarizedthattherewerefourwaysforpreparingepoxyresinmodifiedbypolysiloxanes,whichwerereactionofpolysiloxanecontainedhydroxyl/alkoxybetweenepoxyresin,reactionofpolysiloxanecontainedaminobe2tweenepoxyresin,reactionofpolysiloxanecontainedSi-Hbetweenepoxyresin,andreactionofpolysiloxanecontainedheteroatombetweenepoxyresin.Itwasdiscussedthattheeffectsofepoxyresinmodifiedbypolysiloxanesonthephasestructure,mechanicalpropertyandheatstabilityofepoxyresin.

Keywords:polysiloxanes,siliconeresin,epoxyresin,tough2ening

Primecoating&viscosifierforadditionalLSR(contin2ued).HUANGWen2run(ChenguangResearchInstituteofChemistryIndustry,Chengdu,Sichuan610041).YoujiguiCailiao,2005,19(5):37～43

Abstract:Thestructuralfeatureandtypicalformulaofsev2eralkindsoftypicalviscosifiersforadditionalLSR,suchassiloxaneoligomercontainingphenyl/ester,methylsiloxanecontainingphenyl,silatranederivate,phenolcompoundcon2tainingalkene,orbi(trimethoxysiliconepropyl)dialkylfu2maratewithhydroxyended(CH3)2SiO/CH3(CH2=CH)SiOcopolymersimultaneously,thereactionproductoftrimethyolpropanediallyls,γ2epoxypropoxyandtetraethy2lorthosilicateresultant,secondaryaminecontainingwithtri2alkoxysilaneandester,tetraalkoxysilane,siloxaneoligomercontainingvinylandtheresultantofγ2methylacryloylpropyltrimethoxysilane,werediscussed.

Keywords:LSR,additional,viscosifier