BF, Dept. of Wood Technology, Lj. (BFLES)
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Sestava, lastnosti, uporaba in reciklaža Kerrocka = Composition, properties and application of KerrockVovk, Matej, gozdar ; Beličič, Andrej ; Šernek, MilanKerrock je trd kompozitni material, sestavljen iz 40 ut. % polimetil metakrilata (PMMA) in 60 ut. % aluminijevega hidroksida (ATH), vezni člen med njima pa je silan. V tuji strokovni literaturi ... podobne materiale poimenujejo kot PMMA/ATH kompozit, Kerrock pa je eno od komercialnih imen za ta material. Lastnosti PMMA so odvisne od stopnje in načina polimerizacije, na splošno pa velja, da je trd, vodoodporen in UV odporen ter se ga lahko obdeluje. ATH je bel, netoksičen material, relativno mehak in neabraziven ter eden izmed najbolj razširjenih samougasljivih dodatkov v polimernih kompozitih. Zaradi takšne sestave je Kerrock možno obdelovati kot les in ga termoformirati kot plastomerne materiale. Uporablja se za opremo notranjih prostorov in v gradbeništvu kot fasadni element. Na mehanske lastnosti vplivajo morfologija stičnih površin polnila, adhezija na stični površini med polnilom in polimerno matrico, porazdelitev delcev ATH in vsebnost silana oziroma drugih dodatkov. Kerrock je možno kemično reciklirati, vendar takšni postopki zahtevajo velik energijski vložek. Druga možnost recikliranja je povezovanje prašnih delcev Kerrocka z vročim stiskanjem in tudi možnim predhodnim dodajanjem MMA ali poliestrske smole. V zadnjih letih so se raziskave in razvoj reciklaže odpadnih produktov Kerrocka preusmerile v povezovanje le-teh z lesom, kar je privedlo do novih rešitev. Recikliranju tega kompozita bo v prihodnje potrebno posvetiti več pozornostiSource: Les = Wood. - ISSN 0024-1067 (Letn. 66, št. 2, 2017, str. 57-69)Type of material - article, component part ; adult, seriousPublish date - 2017Language - slovenianCOBISS.SI-ID - 2846089
Author
Vovk, Matej, gozdar |
Beličič, Andrej |
Šernek, Milan
Topics
Kerrock |
kompozit |
ATH |
PMMA |
PMMA/ATH |
silan |
reciklaža |
Kerrock |
composite |
silane |
recycling |
recycling
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Vovk, Matej, gozdar | 36175 |
Beličič, Andrej | 10589 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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