聚氯乙烯糊樹脂的交聯(lián)改性.pdf

1、北京化工大學(xué)碩士學(xué)位論文聚氯乙烯糊樹脂的交聯(lián)改性姓名：孫亞娟申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：高分子化學(xué)與物理指導(dǎo)教師：張美珍2002.5.22北京1蘭蘭壟蘭翌主!墨蘭蘭堡堡圭一__，__—_—_—d__—__—__，—__———^—，—__——、—，●_—__—●____—_———_—————一CROSSLINKINGMODIFICATIONOFPOLY(VINYLCHLORIDE)PASTERESINABSTRACTThecrosslinki

2、ngmodificationofpoly(vinylchloride)(PVC)pasteresinhasbeeninvestigatedbyusing2dibutylamino4，6一dimercapto—striazine(DB)andN(2一aminoethyl)一3一aminopropyltrimethoxysilane(ATMS)ascrosslinkingagentsseparatelyGelcontentwasusedto

3、measurethedegreeofcrosslinking；themolecularstructure，surfacemorphologydynamicalmechanicalpropertyandthermaldecompositionbehaviorofPVCwerestudiedbyfouriertransfelrmiiaflaredspectrometer(FTIR)，atomicforcemicroscopy(AFM)，dy

4、namicalmechanicalthermalanalyzerfDMTA)andthermalgravimetricanalyzer(TG)respectivelyTheresultsindicatedthatPVCcouldbeeffectivelycrosslinkedbyDBandATMSFortheDBcrosslinkingsystem，theoptimumcrosslinkingtemperatureandtimewere

5、determined；FortheATMScrosslinkingsystem，theoptimumgraftingtemperatureandtime，theoptimumamountofATMSandstabilizerwerealsodeterminedThemolecularstructureofcrosslinkedPVCwasconfirmedThesurfacemorphologyanalysisindicatedthat

6、thecrosslinkingstructurecouldbeinfluencedbythemorphologyandmolecularstructureofthecrosslinkingagentTheresultsalsoshowedthatthecrosslinkingofPVCcouldleadtoimprovementofdynamicalmechanicalpropertyandthermalstabilityKEYWORD