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Št. zadetkov: 3
ǂThe ǂsignifcance of sample preparation of historical and contemporary poly(vinyl chloride) objects to investigate the distribution and changes of molar mass by SEC-MALS-dRI
Tjaša Rijavec, Dominika Pawcenis, Krzysztof Kruczała, Matija Strlič, Irena Kralj Cigić
Izvirni znanstveni članek
Oznake: agregati;asociacija;velikostno izključitvena kromatografija;PVC;zbirke dediščine;dediščinska znanost;aggregates;association;size-exclusion chromatography;gel-permeation chromatography;heritage collection;heritage science;
The distribution of molar mass of historical and contemporary poly(vinyl chloride) objects was determined using size exclusion chromatography with multi-angle light scattering detection. The weight average molar mass was determined for a collection of 57 samples, ranging from 75 to 186 kg/mol with a ...
Leto: 2023 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Characterisation and degradation of poly(vinyl chloride) in historical and contemporary objects
Tjaša Rijavec, Irena Kralj Cigić, Helena Prosen, Romana Cerc Korošec, Krzysztof Kruczała
Doktorska disertacija
Oznake: -;
Poly(vinyl chloride) (PVC) objects make up a significant part of contemporary heritage collections. PVC was identified as one of the polymeric materials that are prone to degradation, making it necessary to conduct further studies for an improved understanding of the mechanisms of degradation. ...
Leto: 2024 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Heritage PVC objects
Tjaša Rijavec, Sonia Bujok, Sergii Antropov, G. Asher Newsome, Josep Grau-Bové, Irena Kralj Cigić, Krzysztof Kruczała, Łukasz Bratasz, Matija Strlič
Izvirni znanstveni članek
Oznake: dediščinska znanost;duifuzija in izhlapevanje;migracija;modeliranje;konservatorstvo umetnin;ocena tveganja;razgradnja;heritage science;diffusion-evaporation;migration;modelling;art conservation;risk assessment;degradation;
The predominance of diffusion-evaporation of plasticizers in heritage collections is investigated and an analytical method of studying surface exudates based on dry swabbing is introduced for an in-situ museum survey. Most plasticized heritage PVC objects exhibit no visible surface exudates, indicat ...
Leto: 2025 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Št. zadetkov: 3
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