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Strukturne izolacijske plošče iz konopljinega pezdirja : magistrsko delo = Structural insulation panels from hemp shives : M. Sc. thesisDobravec, VidZaradi vse večje težnje po uporabi naravnih obnovljivih materialov se povečuje tudi uporaba ter proizvodnja industrijske konoplje oziroma njenih vlaken in pezdirja. Oba se že uporabljata za izdelavo ... izolacijskih in ivernih plošč a v večini primerov zgolj kot dodatek. Ker lahko iz konopljinega pezdirja izdelamo kompozit s primerno trdnostjo kot tudi kompozit z dobrimi izolacijskimi lastnostmi smo želeli preveriti možnost izdelave strukturno izolacijskega kompozita oziroma SIP plošče (structural insulating panels ang.), ki bi bil zanimiv za uporabo v panelnih sistemih. Tovrstni kompoziti so sestavljeni iz izolativne sredice (npr. EPS, XPS ali PUR), ki je na obeh straneh obdana z nosilnima ploščama (OSB, vezane ali iverne).V prvem delu naloge smo iz pezdirja in MUF lepilne smole izdelali štiri enoslojne plošče (8 mm) različnih gostot ter štiri izolacijske plošče (50 mm) katere smo izdelali iz različnih deležev pezdirja in PUR pene. Nosilnim ploščam smo določili mehanske lastnosti in izolacijskim ploščam toplotno prevodnost. Iz pridobljenih podatkov smo nato izbrali nosilno in izolacijsko ploščo z optimalnimi mehansko izolacijskimi lastnostmi ter izdelali SIP kompozit kateremu smo določili toplotno prevodnost in tlačno trdnost. Ugotovili smo, da je za izdelavo nosilnih plošč najbolj primerna gostota cca. 700 kg/m3, medtem ko smo pri sredici ugotovili, da z naraščanjem deleža konoplje toplotna prevodnost narašča, zato smo za sredico uporabili ploščo z gostoto med 75 in 100 kg/m3 (25 % dodatkom konopljinega pezdirja). Tlačna trdnost SIP kompozita je bila 4,93 MPa ter toplotna prevodnost 0,0514 W/m2K.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [V. Dobravec], 2021Language - slovenianCOBISS.SI-ID - 81114115
Author
Dobravec, Vid
Other authors
Medved, Sergej |
Pavlič, Matjaž
Topics
konopljin pezdir |
SIP plošče |
mehanske lastnosti |
toplotna prevodnost |
toplotna prevodnost |
hemp shive |
structural insulating panel |
mechanical properties |
thermal conductivity |
thermal conductivity

Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. (Library does not participate in COBISS.) |
reading room 1 cop.
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Biotechnical Faculty, Ljubljana | Ljubljana | BFLJ |
reading room 1 cop.
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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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Dobravec, Vid | ![]() |
Medved, Sergej | 15410 |
Pavlič, Matjaž | 20386 |
Source: Personal bibliographies
and: SICRIS
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