Autor: Chladek, W. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Influence of Chemical Composition on the Properties of Experimental Silicone-Based Soft Lining Composites
Autorzy:: Jabłońska-Stencel, E.
Pakieła, W.
Żmudzki, J.
Kasperski, J.
Chladek, G.
Powiązania:: https://bibliotekanauki.pl/articles/355272.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: dental material
soft lining
silicone
silica filler
mechanical properties
Opis:: The paper analyses the influence of chemical composition of silicone-based composites on their properties in the aspect of using them as long-term soft denture lining materials. Different concentrations of filler and methylhydrosiloxane-dimethylsiloxane copolymer were used. The filler was introduced into the composite with mechanical mixing combined with ultrasonic homogenization. Scanning electron microscopy was used to investigate the quality of filler dispersion. Shore A hardness, tensile strength, sorption, solubility and tensile bond strength to poly(methyl methacrylate) were measured. Tests show satisfactory results for some experimental composites, which met all the requirements for such materials.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 3; 1371-1377
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Effects of Different Inorganic Fillers on Mechanical Properties and Degree of Conversion of Dental Resin Composites
Autorzy:: Stencel, R.
Pakieła, W.
Barszczewska-Rybarek, I.
Żmudzki, J.
Kasperski, J.
Chladek, G.
Powiązania:: https://bibliotekanauki.pl/articles/352485.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: resin composites
dental materials
filler
mechanical properties
degree of conversion
Opis:: The aim of the study was to evaluate the influence of different fillers on the chosen functional properties of experimental composites based on typical polymeric matrix, in order to understand the effect of different fillers on their properties and to develop a simple base composite for further investigations with experimental fillers, e.g. with antimicrobial properties. Previous experiments have been usually based on commercially available composites of unknown composition or compilation of monomers, without reinforcing fillers. Scanning electron microscopy was used to investigate the quality of fillers’ dispersion, which was satisfying. Results showed significant differences between materials’ diametral tensile strength (p = 0.0019), compressive strength (p < 0.0001), Vickers microhardness (p < 0.0001), flexural modules (p = 0.0018), and the degree of conversion (p < 0.0001), but flexural strength was not significantly different (p = 0.0583). Investigations indicated that no filler type had an especially positive impact on the mechanical properties, but reinforcement effect was achieved by proper compilation of silica nanofiller and variable glass fillers. Nanofiller decreased the degree of conversion.
Źródło:: Archives of Metallurgy and Materials; 2018, 63, 3; 1361-1369
1733-3490
Pojawia się w:: Archives of Metallurgy and Materials
Dostawca treści:: Biblioteka Nauki

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