About: Termička stabilnost segmentiranih poliuretanskih elastomera ojačanih česticama gline     Goto   Sponge   NotDistinct   Permalink

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  • The aim of this work was to determine the influence of clay nanopartides on thermal properties of segmented polyurethanes based on hexamethylene-diisocyanate, aliphatic polycarbonate diol and 1,4-butanediol as chain extender. The organically modified particles of montmorillonite and bentonite were used as reinforcing fillers. The structure of elastomeric materials was varied either by diol type or chain extender content. The ratio of OH groups from diol and chain extender (R) was either 1 or 10. Thermal properties of prepared materials were determined using modulated differential scanning calorimetry (MDSC). Thermal stability of obtained elastomers has been studied by simultaneously thermogravimetry coupled with DSC. The glass transition temperature, Tg, of soft segments for all investigated samples was about 33 degrees C. On the basis of DTG results, it was concluded that obtained materials were very stable up to 300 degrees C. (en)
  • Cilj je bio ispitivanje uticaja nanočestica gline na toplotna svojstva segmentiranih poliuretana dobijenih reakcijom polikarbonatnog diola, heksametilen-diizocijanata i produživača lanca 1,4-butandiola. Organski modifikovane čestice montmorilonita i bentonita su korišćene kao punioci za ojačanje elastomera. Struktura dobijenih materijala je varirana ili promenom sadržaja produživača lanaca ili tipom polikarbonatnog diola. Odnos OH grupa iz diolne komponente i OH grupa iz produživača lanca (R) bio je 1 ili 10. Toplotna svojstva materijala su određena korišćenjem modulovane diferencijalne skenirajuće kalorimetrije (MDSC). Termička degradacija je praćena simultanom diferencijalnom skenirajućom kalorimetrijom i termogravimetrijom koja istovremeno prati i promenu protoka toplote i gubitka mase.Temperatura prelaska u staklasto stanje,Tg,mekih segmenata elastomera iznosila je oko –33°C.Na osnovu termogravimetrijskih rezultata, ustanovljeno je da su dobijeni materijali veoma stabilni do 300°C.
Title
  • Termička stabilnost segmentiranih poliuretanskih elastomera ojačanih česticama gline
  • Thermal stability of segmented polyurethane elastomers reinforced by clay particles (en)
skos:prefLabel
  • Termička stabilnost segmentiranih poliuretanskih elastomera ojačanih česticama gline
  • Thermal stability of segmented polyurethane elastomers reinforced by clay particles (en)
skos:notation
  • RIV/61389013:_____/09:00342403!RIV11-AV0-61389013
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 345903
http://linked.open...ai/riv/idVysledku
  • RIV/61389013:_____/09:00342403
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • segmented polyurethanes; thermal stability; elastomers (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CS - Státní svaz Srbska a Černé Hory
http://linked.open...ontrolniKodProRIV
  • [8974045E9E16]
http://linked.open...i/riv/nazevZdroje
  • Hemijska industrija
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 63
http://linked.open...iv/tvurceVysledku
  • Špírková, Milena
  • Strachota, Adam
  • Budinski-Simendic, J.
  • Lazić, N.
  • Pavličevic, J.
  • Szecsenyi, K. M.
http://linked.open...ain/vavai/riv/wos
  • 000276140700004
http://linked.open...n/vavai/riv/zamer
issn
  • 0367-598X
number of pages
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