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首页> 外文期刊>Journal of Applied Polymer Science >Characterization and Biocompatibility of Chestnut Shell Fiber–Based Composites with Polyester
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Characterization and Biocompatibility of Chestnut Shell Fiber–Based Composites with Polyester

机译：栗壳纤维基聚酯复合材料的表征和生物相容性

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摘要

The structural, mechanical, biocompatibility, and biodegradability properties of composite materials formed of poly(butylene succinate) (PBS) and natural fiber (chestnut shell fiber; CSF) were evaluated. Maleic anhydride-grafted poly(butylene succinate) (PBS-g-MA) and treated (crosslinked) CSF (TCSF) were used to improve the mechanical properties of PBS/CSF composites. The results show that PBS-g-MA/TCSF composites have superior mechanical properties compared with both pure PBS and PBS/CSF composites, which is attributed to better compatibility between the polymer and TCSF. Normal human foreskin fibroblasts (FBs) were seeded onto these two series of composites to characterize the biocompatibility. FB proliferation, collagen production, and cytotoxicity assays on the PBS/CSF series of composites exhibited superior results compared with those on the PBS-g-MA/TCSF composites. PBS-g-MA/TCSF was found to be more water resistant than PBS/CSF, and the weight loss of both the composites buried in soil compost indicated that both were biodegradable, especially at high levels of CSF substitution.
机译：评价了由聚丁二酸丁二酸酯（PBS）和天然纤维（栗壳纤维; CSF）形成的复合材料的结构，机械，生物相容性和生物降解性。马来酸酐接枝的聚丁二酸丁二酯（PBS-g-MA）和处理过的（交联的）CSF（TCSF）用于改善PBS / CSF复合材料的机械性能。结果表明，与纯PBS和PBS / CSF复合材料相比，PBS-g-MA / TCSF复合材料具有优异的机械性能，这归因于聚合物与TCSF之间的更好相容性。正常人包皮成纤维细胞（FBs）播种到这两个系列的复合材料，以表征生物相容性。与PBS-g-MA / TCSF复合材料相比，在PBS / CSF系列复合材料上进行的FB增殖，胶原蛋白生成和细胞毒性试验显示出优异的结果。发现PBS-g-MA / TCSF比PBS / CSF更耐水，并且埋在土壤堆肥中的两种复合材料的失重表明它们都是可生物降解的，尤其是在高水平的CSF替代下。

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