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Article
Variously substituted phenyl hepta cyclopentyl-polyhedral oligomeric silsesquioxane (ph,hcp-POSS)/polystyrene (PS) nanocomposites
A comparative study concerning the thermal stability of polystyrene (PS) and six POSS/PS nanocomposites of general formula R7R′(SiO1.5)8/PS (where R = cyclopentyl and R′ = phenyl, 4-methoxyphenyl, 4-tolyl, 3,5-xi...
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Article
Synthesis and thermal properties of new dumbbell-shaped isobutyl-substituted POSSs linked by aliphatic bridges
Five new dumbbell-shaped polyhedral oligomeric silsesquioxanes (POSSs), in which two identical silicon cages are linked to various length aliphatic bridges, were prepared by corner cap** reaction between hep...
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Article
End-life prediction of commercial PLA used for food packaging through short term TGA experiments: Real chance or low reliability?
A long-term (about nine months) isothermal degradation experiment of two different commercial polylactide (PLA) samples used for food packaging was carried out at a relatively low temperature (423 K). Thermoox...
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Article
Synthesis, characterization and thermal stability of new dumbbell-shaped isobutyl-substituted POSSs linked by aromatic bridges
Five new dumbbell-shaped polyhedral oligomeric silsesquioxanes (POSSs), in which two identical silicon cages R7(SiO1.5)8 (with R = isobutyl), linked to various aromatic bridges (Ar, Ar–Ar, Ar–O–Ar, Ar–S–Ar and Ar...
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Article
Synthesis and thermal characterization of new dumbbell-shaped cyclopentyl-substituted POSSs linked by aliphatic and aromatic bridges
Seven aliphatic and aromatic dumbbell-shaped bridged hepta-cyclopentyl polyhedral oligomeric silsesquioxanes (POSSs), in which two identical silicon cages R7(SiO1.5)8 (with R = cyclopentyl) are linked to various ...
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Article
Synthesis and Thermal Behaviour of Novel Aliphatic/Aromatic Hepta-Cyclopentyl Bridged Polyhedral Oligomeric Silsesquioxanes (POSSs)/Polystyrene (PS) Nanocomposites
The resistance to the thermal degradation of some polystyrene (PS) based nanocomposites, containing as filler novel aliphatic and aromatic hepta-cyclopentyl bridged polyhedral oligomeric silsesquioxanes (POSSs...
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Article
Thermal characterization of a series of novel hepta cyclopentyl bridged POSS/PS nanocomposites
A series of novel hepta cyclopentyl bridged polyhedral oligomeric silsesquioxanes (POSSs)/polystyrene (PS) nanocomposites, at different POSS contents (1, 3 and 5 % w/w), was synthesized and characterized. Nano...
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Article
Lifetime prediction of food and beverage packaging wastes
Two different types of commercial polyethylene terephthalate (PET) and polypropylene (PP) samples used for beverage and food packaging were degraded for 25 months in isothermal oxidative condition at relativel...
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Article
Thermal characterization of a series of lignin-based polypropylene blends
Polypropylene (PP), due to its chemical stability, is considered one of the main responsible of the increasing amount of plastic wastes on earth. To overcome this problem and to reduce the dependence of oil fe...
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Article
Polylactide/lignin blends
The effect of processing temperature and time on polylactide/lignin blends was evaluated. Two blends, one commercial and one prepared mixing polylactide (PLA) with different lignin contents, were processed at ...
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Chapter
Decomposition and Ageing of Hybrid Materials with POSS
The use of polyhedral oligomeric silsesquioxanes (POSSs), as reinforcing agent for making polymer composites and nanocomposites, recorded an exponential grown in the last two decades. Differently to the other ...
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Article
Synthesis and thermal behaviour of phenyl-substituted POSSs linked by aliphatic and aromatic bridges
Five novel bridged heptaphenyl polyhedral oligomeric silsesquioxanes (POSSs), in which two identical silicon cages R7(SiO1.5)8 (with R = Phenyl) are linked to various aliphatic [(CH2) n ...
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Article
A novel three-cages POSS molecule: synthesis and thermal behaviour
Two novel 4-methyl phenyl (trioxyisobutyl POSS) silane and 4-methyl phenyl (trioxycyclopentyl POSS) silane were synthesized. The nanosystems were characterized by elemental analysis, 1H NMR and FTIR spectroscopy,...
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Article
Synthesis and thermal characterization of monosubstituted octaphenyl POSS/polystyrene nanocomposites
Four novel polyhedral oligomeric silsesquioxanes/polystyrene (POSS/PS) nanocomposites, having formula R7R′1(SiO1.5)8/PS (where R = C6H5– and R′ = p-C6H4-X, with X = –CH3, –OCH3, –F, –Cl) were synthesized by in si...
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Article
Mechanical and thermal properties of fly ash-filled geopolymers
Fly ash recycling reduces the amount of waste to be treated or disposed in landfills, allowing both to decrease the environmental damage and to save the costs of transport and disposal of waste. Systems with d...
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Article
Advancements of thermal analysis and calorimetry in Central-Eastern Europe and Mediterranean region
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Article
Characterization of poly(ethylene oxide) modified with different phenyl hepta isobutyl polyhedral oligomeric silsesquioxanes
Poly(ethylene oxide)/polyhedral oligomeric silsesquioxanes (PEO/POSSs) composites were prepared by the melting method. The investigation of their thermal characteristics was performed by the differential scann...
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Article
Open AccessThe effect of polyhedral oligomeric silsesquioxanes (POSSs) incorporation in ethylene-propylene-diene-terpolymer (EPDM): a thermal study
A series of ethylene-propylene-diene-terpolymer (EPDM)/polyhedral oligomeric silsesquioxane (POSS) composites at different percentage of POSS were prepared and subjected to γ-irradiation. Both irradiated and n...
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Article
Thermo-oxidative investigation on SiO2 and SiO2–ZrO2 composites prepared by sol–gel route
SiO2, ZrO2 and SiO2–ZrO2 composites at different percentages of zirconia were synthesized by the sol–gel method and spectroscopically characterized by Fourier transform infrared (FTIR) spectroscopy. Different ser...
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Article
Kinetic study of the thermal and thermo-oxidative degradations of aromatic poly(ether sulfone) random copolymers bearing pendant carboxyl groups
A series of poly(ether sulfone) random copolymers at various loading of diphenolic acid (DPA) units were synthesized and subjected to a comprehensive kinetics degradation study to assess their thermal behaviou...