功能化PLA和PBAT的可回收和可生物降解纸涂料。

IF 4.3 3区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
ACS Omega Pub Date : 2025-03-14 eCollection Date: 2025-03-25 DOI:10.1021/acsomega.4c11134
Syeda Shamila Hamdani, Hazem M Elkholy, Manal O Alghaysh, Ian Wyman, Anibal Bher, Rafael Auras, Muhammad Rabnawaz
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引用次数: 0

摘要

传统的无功能聚酯涂布纸适用于包装,但这种涂布纸是不可回收的。在此,我们报告了使用功能化聚酯共混物的可回收和工业堆肥的纸涂层材料。首先,合成了羧酸功能化聚乳酸(CPLA)和羧酸功能化聚己二酸丁二醇酯(CPBAT)。将CPLA单独或与CPLA共混的CPLA乳化后用于纸张涂布。对涂布纸的拒水性、拒油性、气阻性、防潮性、密封性和力学性能指标进行了测试。通过认证方法对涂布纸的可重复性和可回收性进行了充分验证。CPBAT和cpla涂层纸的可堆肥性也得到了证实。这种新型涂布纸不含PFAS和持久性微塑料,其可回收性符合循环经济方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Recyclable and Biodegradable Paper Coating with Functionalized PLA and PBAT.

Conventional nonfunctional polyester-coated paper is suitable for packaging, but this coated paper is nonrecyclable. Herein, we report paper coating materials recyclable and industrially compostable using functionalized polyester blends. First, carboxylic acid-functionalized polylactic acid (CPLA) and carboxylic acid-functionalized poly(butylene adipate-co-terephthalate) (CPBAT) were synthesized. CPLA, either alone or as a blend of CPLA and CPBAT, was emulsified and then applied for paper coating. The coated paper was tested to evaluate its water and oil repellency, gas and moisture barrier, sealing, and mechanical properties index. The coated paper's repulpability and recyclability were fully validated by certified methods. The compostability of the CPBAT- and CPLA-coated papers was also confirmed. This newly coated paper is PFAS- and persistent microplastics-free, and its recyclable nature fits into a circular economy approach.

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来源期刊
ACS Omega
ACS Omega Chemical Engineering-General Chemical Engineering
CiteScore
6.60
自引率
4.90%
发文量
3945
审稿时长
2.4 months
期刊介绍: ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.
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