Effect of sepiolite on the biodegradation of poly(lactic acid) and polycaprolactone

Kikku Fukushima; rnDaniela Tabuani; rnCristina Abbate; rnMaria Arena; rnLoredana Ferreri

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Effect of sepiolite on the biodegradation of poly(lactic acid) and polycaprolactone

机译：海泡石对聚乳酸和聚己内酯生物降解的影响

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PLA and PCL nanocomposites prepared by adding 5 wt% of a sepiolite (SEPS9) were degraded in compost, leading to effective degradation for all samples.rnPLA and PLA/SEPS9 seem to be mainly degraded by a bulk mechanism, showing a significant level of polymer degradation, however the presence of SEPS9 particles partially delays the degradation probably due to a preventing effect of these particles on polymer chain mobility and/or PLA/enzymes miscibility. PCL and PCL/SEPS9 showed a preferential surface mechanism of degradation; and in contrast to PLA, sepiolite does not present a considerable barrier effect on the degradation of PCL.

机译：通过添加5 wt％的海泡石（SEPS9）制备的PLA和PCL纳米复合材料在堆肥中降解，导致所有样品均有效降解.rnPLA和PLA / SEPS9似乎主要是通过本体机理降解，显示出高水平的聚合物降解，但是SEPS9颗粒的存在可能部分延迟了降解，这可能是由于这些颗粒对聚合物链迁移率和/或PLA /酶的可混溶性有预防作用。 PCL和PCL / SEPS9表现出优先的降解表面机制。与PLA相比，海泡石对PCL的降解没有明显的阻隔作用。

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来源
《Polymer Degradation and Stability》 |2010年第10期|p.2049-2056|共8页
作者
Kikku Fukushima; rnDaniela Tabuani; rnCristina Abbate; rnMaria Arena; rnLoredana Ferreri;
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作者单位

Politecnico di Torino sede di Alessandria, INSTM research unit, Viale Teresa Michel 5, 15100 Alessandria, Italy;

rnPROPLAST Consortium, Strada Comunale Savonesa 9,15057 Rivalta Scrivia (AL), Italy;

rnDipartimento di Scienze agronomiche, Agrochimiche e delle Produzioni animali, Sezione di Scienze agrochimiche, Universita di Catania, Via S. Sofia 98, 95123 Catania (CT), Italy;

rnDipartimento di Scienze agronomiche, Agrochimiche e delle Produzioni animali, Sezione di Scienze agrochimiche, Universita di Catania, Via S. Sofia 98, 95123 Catania (CT), Italy;

rnConsiglio Nazionale delle Ricerche, Istituto di Chimica e Tecnologia dei Polimeri, Via Paolo Gaifami 18, 95126 Catania (CT), Italy;

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正文语种 eng
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polycaprolactone; polylactic acid; nanocomposites; sepiolite; biodegradation;

机译：聚己内酯聚乳酸纳米复合材料海泡石生物降解;

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2. Anaerobic biodegradation tests of poly(lactic acid) and polycaprolactone using new evaluation system for methane fermentation in anaerobic sludge [J] . Hisaaki Yagi, Fumi Ninomiya, Masahiro Funabashi, Polymer Degradation and Stability . 2009,第9期

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6. Thermal and Morphological Properties of Poly(L-Lactic Acid)/Poly(D-Lactic Acid)-B-Polycaprolactone Diblock Copolymer Blends [O] . Eckhard Weidner, Stephan Kabasci, Rodion Kopitzky, 2020

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机译：聚（乳酸）/聚（乳酸 - 共乙醇酸）微型和纳米颗粒的生物相容性，生物分解和生物医学应用

Effect of sepiolite on the biodegradation of poly(lactic acid) and polycaprolactone

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