钙交联橙皮生物炭增强聚乳酸的生物降解性和保温性能

IF 6.2 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-02-13 DOI:10.1016/j.indcrop.2025.120666

Jaeyeon Kim , Jaekyung Lee , Subin Lee , Oju Kwon , Jaeho Lee , Jooheon Kim

{"title":"钙交联橙皮生物炭增强聚乳酸的生物降解性和保温性能","authors":"Jaeyeon Kim , Jaekyung Lee , Subin Lee , Oju Kwon , Jaeho Lee , Jooheon Kim","doi":"10.1016/j.indcrop.2025.120666","DOIUrl":null,"url":null,"abstract":"<div><div>The growing demand for sustainable materials has driven interest in biodegradable polymers such as polylactic acid (PLA). However, PLA’s inherent limitations in thermal insulation and flame retardancy restrict its broader applicability. To address these challenges, we produced PLA composites reinforced with various amounts of calcium-crosslinked orange peel biochar (CC-OPB) and discovered that the latter significantly enhanced the thermal and flame-retardant properties of the former. The 6 % CC-OPB/PLA composite achieved the lowest thermal conductivity of 0.081 W/m·K and a V-1 rating in a UL94 plastics flammability standard test. These improvements were attributed to the formation of a protective char layer and enhanced phonon scattering. In addition, the incorporation of CC-OPB accelerated the biodegradation process, with the 6 % CC-OPB/PLA composite showing a weight loss of 25.1 % after 20 days. Our findings demonstrate that CC-OPB/PLA composites offer a promising eco-friendly alternative for industrial applications by imparting superior insulation, fire resistance, and biodegradability to PLA.</div></div>","PeriodicalId":13581,"journal":{"name":"Industrial Crops and Products","volume":"226 ","pages":"Article 120666"},"PeriodicalIF":6.2000,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Enhanced biodegradability and thermal insulation capability of polylactic acid reinforced with calcium-crosslinked orange peel biochar\",\"authors\":\"Jaeyeon Kim , Jaekyung Lee , Subin Lee , Oju Kwon , Jaeho Lee , Jooheon Kim\",\"doi\":\"10.1016/j.indcrop.2025.120666\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>The growing demand for sustainable materials has driven interest in biodegradable polymers such as polylactic acid (PLA). However, PLA’s inherent limitations in thermal insulation and flame retardancy restrict its broader applicability. To address these challenges, we produced PLA composites reinforced with various amounts of calcium-crosslinked orange peel biochar (CC-OPB) and discovered that the latter significantly enhanced the thermal and flame-retardant properties of the former. The 6 % CC-OPB/PLA composite achieved the lowest thermal conductivity of 0.081 W/m·K and a V-1 rating in a UL94 plastics flammability standard test. These improvements were attributed to the formation of a protective char layer and enhanced phonon scattering. In addition, the incorporation of CC-OPB accelerated the biodegradation process, with the 6 % CC-OPB/PLA composite showing a weight loss of 25.1 % after 20 days. Our findings demonstrate that CC-OPB/PLA composites offer a promising eco-friendly alternative for industrial applications by imparting superior insulation, fire resistance, and biodegradability to PLA.</div></div>\",\"PeriodicalId\":13581,\"journal\":{\"name\":\"Industrial Crops and Products\",\"volume\":\"226 \",\"pages\":\"Article 120666\"},\"PeriodicalIF\":6.2000,\"publicationDate\":\"2025-02-13\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Industrial Crops and Products\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0926669025002122\",\"RegionNum\":1,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"AGRICULTURAL ENGINEERING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Industrial Crops and Products","FirstCategoryId":"97","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0926669025002122","RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRICULTURAL ENGINEERING","Score":null,"Total":0}

引用次数: 0

摘要

对可持续材料日益增长的需求推动了人们对聚乳酸（PLA）等可生物降解聚合物的兴趣。然而，PLA在隔热和阻燃方面的固有局限性限制了其更广泛的适用性。为了应对这些挑战，我们生产了用不同量的钙交联橙皮生物炭（CC-OPB）增强的PLA复合材料，并发现后者显著提高了前者的热性能和阻燃性能。6 % CC-OPB/PLA复合材料的导热系数最低，为0.081 W/m·K，在UL94塑料可燃性标准测试中达到V-1等级。这些改进归因于保护炭层的形成和声子散射的增强。此外，CC-OPB的加入加速了生物降解过程，6 %的CC-OPB/PLA复合材料在20天后失重25.1 %。我们的研究结果表明，CC-OPB/PLA复合材料通过赋予PLA优越的绝缘性、耐火性和可生物降解性，为工业应用提供了一个有前途的环保替代品。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

查看原文本刊更多论文

Enhanced biodegradability and thermal insulation capability of polylactic acid reinforced with calcium-crosslinked orange peel biochar

The growing demand for sustainable materials has driven interest in biodegradable polymers such as polylactic acid (PLA). However, PLA’s inherent limitations in thermal insulation and flame retardancy restrict its broader applicability. To address these challenges, we produced PLA composites reinforced with various amounts of calcium-crosslinked orange peel biochar (CC-OPB) and discovered that the latter significantly enhanced the thermal and flame-retardant properties of the former. The 6 % CC-OPB/PLA composite achieved the lowest thermal conductivity of 0.081 W/m·K and a V-1 rating in a UL94 plastics flammability standard test. These improvements were attributed to the formation of a protective char layer and enhanced phonon scattering. In addition, the incorporation of CC-OPB accelerated the biodegradation process, with the 6 % CC-OPB/PLA composite showing a weight loss of 25.1 % after 20 days. Our findings demonstrate that CC-OPB/PLA composites offer a promising eco-friendly alternative for industrial applications by imparting superior insulation, fire resistance, and biodegradability to PLA.

求助全文

通过发布文献求助，成功后即可免费获取论文全文。去求助

来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.