Various 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/m² 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.

行业的各个部门正在寻找具有特定要求的新材料，以提供改进的性能。该研究提出了一种基于聚丙交酯的新型复合材料，该材料已用有机硅化合物（3-硫代丙基）聚倍半硅氧烷（SSQ-SH）进行了改性。SSQ-SH化合物是笼形结构和非完全凝聚的无规结构的混合物。复合材料通过注射成型获得。该研究包括对新材料的全面表征，分析其功能特性，例如流变性 (MFR)、机械强度（拉伸强度、夏比冲击强度）和热性能。还拍摄了 SEM 显微照片来分析样品的微观结构。与纯聚合物相比，向聚丙交酯中添加按重量计 5% 的有机硅化合物导致 MFR 显着增加 73.8%。5% SSQ-SH/PLA 复合材料的冲击强度提高最大，与 PLA 相比提高了 32.0 kJ/m ²，增幅高达 187%。所进行的研究证实了通过使用有机硅化合物来改变聚合物性能的可能性。