FOLLOWUS
a.Adam Mickiewicz University in Poznań, Faculty of Chemistry, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
b.Adam Mickiewicz University in Poznań, Centre for Advanced Technologies, Uniwersytetu Poznańskiego 10, 61-614 Poznań, Poland
c.Institute of Biomedical Engineering, Faculty of Mechanical Engineering, Bialystok University of Technology, Wiejska 45C, 15-351 Bialystok, Poland
bogdan.marciniec@amu.edu.pl (B.M.)
robert.przekop@amu.edu.pl (R.E.P.)
Published:1 June 2024,
Published Online:7 March 2024,
Received:11 December 2023,
Revised:7 January 2024,
Accepted:15 January 2024
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Pakuła, D.; Sztorch, B.; Romańczuk-Ruszuk, E.; Marciniec, B.; Przekop, R. E. High impact polylactide based on organosilicon nucleation agent. Chinese J. Polym. Sci. 2024, 42, 787–797
Daria Pakuła, Bogna Sztorch, Eliza Romańczuk-Ruszuk, et al. High Impact Polylactide Based on Organosilicon Nucleation Agent. [J]. Chinese Journal of Polymer Science 42(6):787-797(2024)
Pakuła, D.; Sztorch, B.; Romańczuk-Ruszuk, E.; Marciniec, B.; Przekop, R. E. High impact polylactide based on organosilicon nucleation agent. Chinese J. Polym. Sci. 2024, 42, 787–797 DOI: 10.1007/s10118-024-3095-7.
Daria Pakuła, Bogna Sztorch, Eliza Romańczuk-Ruszuk, et al. High Impact Polylactide Based on Organosilicon Nucleation Agent. [J]. Chinese Journal of Polymer Science 42(6):787-797(2024) DOI: 10.1007/s10118-024-3095-7.
In the present work
(3-thiopropyl)polysilsesquioxane SSQ-SH was introduced into a polylactide. Thermal and mechanical characterization was carried out
as well as a rheology test. The formation of spherulite structures was observed. Particularly noteworthy is the fact that SSQ-SH significantly improves the impact strength of the composite.
Vario
us sectors of the industry are searching for new materials with specific requirements
providing improved properties. The study presents novel composite materials based on polylactide that have been modified with the organosilicon compound
(3-thiopropyl)polysilsesquioxane (SSQ-SH). The SSQ-SH compound is a mixture of cage structures and not fully condensed random structures. The composite materials were obtained through injection moulding. The study includes a comprehensive characterization of the new materials that analyze their functional properties
such as rheology (MFR)
mechanical strength (tensile strength
Charpy impact strength)
and thermal properties. SEM microscopic photos were also taken to analyze the microstructure of the samples. The addition of a 5% by-weight organosilicon compound to polylactide resulted in a significant increase in MFR by 73.8% compared to the neat polymer. The greatest improvement in impact strength was achieved for the 5% SSQ-SH/PLA composite
increasing it by 32.0 kJ/m
2
compared to PLA
which represents an increase of up to 187%. The conducted research confirms the possibility of modifying the properties of the polymer by employing organosilicon compounds.
Octa(3-thiopropyl)silsesquioxane8SH-POSSPolylactide (PLA)Injection mouldingComposites
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