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                                       Details van artikel 22 van 35 gevonden artikelen
 
 
  On the Mechanism of Thermoplasts Modification by Ultradispersed Inorganic Fillers
 
 
Titel: On the Mechanism of Thermoplasts Modification by Ultradispersed Inorganic Fillers
Auteur: Okhlopkova, A. A.
Zotov, S. V.
Vinogradov, A. V.
Pinchuk, L. S.
Goldade, V. A.
Kestelman, V. N.
Verschenen in: International journal of polymeric materials
Paginering: Jaargang 46 (2000) nr. 1-2 pagina's 11-25
Jaar: 2000-06-01
Inhoud: The polarizing mechanism enhancing service characteristics of thermoplasts filled with ultradispersed inorganic compounds (SiMeON) obtained by plasma-chemical synthesis has been studied. The results of examining spectra of thermostimulated currents and polarizing charge surface density of filled polyethylene, polyvinyl butyral and polytetrafluoroethylene have proved the presence of a spontaneous electric charge in the filler. Experiments have been conducted to simulate the effect of the filler particle electric field on the strength and permolecular structure of contacting surface layer of the polymer. Recrystallization of the binder in electric field of the filler particles is shown to result in varying crystalline structure and phase transition temperature as well as increased strength of the polymer surface layers at the filler particle boundary. The formation of filled by ultradispersed particles polymer material is accompanied by generation of the polarizing charge in the binder. The mechanism of polarization complements traditional ideas on physico-chemical nature of polymer filling.
Uitgever: Taylor & Francis
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

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