Journal of Leather Science and Engineering最新文献_第6页

Ethylene vinyl acetate as a multifunctional compatibilizer for natural rubber/cis-1,4-polybutadiene rubber blends with enhanced compatibility, filler dispersion and mechanical properties 醋酸乙烯酯作为天然橡胶/顺式-1,4-聚丁二烯共混物的多功能相容剂，具有增强的相容性、填料分散性和机械性能

Journal of Leather Science and Engineering

Pub Date : 2025-02-01 DOI: 10.1186/s42825-024-00181-7

Jiyu Liang, Jianhui Wu, Chunhua Wang, Jun Sang, Keshuai Ren, To Ngai, Wei Lin

The blending of natural rubber (NR) with cis-1,4-polybutadiene rubber (BR) has gained widespread attention due to its potential in enhancing the low temperature resistance and abrasion resistance of NR. However, the incompatibility between NR and BR as well as the non-uniform distribution of fillers often have an adverse impact on the mechanical properties. Herein, we propose a facile approach to modulate the multi-scale structures in NR/BR blends including polymer compatibility and filler distribution by introducing ethylene vinyl acetate (EVA) with varying vinyl acetate (VA) content as multifunctional compatibilizers. The results indicate that the cure characteristics (i.e., processability) and mechanical properties of NR/BR blends can be readily tailored through adjustment of the VA content in EVA. When the VA content in EVA is increased to 18% (EVA-18), the NR/BR blends simultaneously exhibit favorable processability and mechanical properties. The microstructural analysis demonstrates that the introduction of EVA-18 not only enhances the compatibility between NR and BR with significantly reduced domain size, but also improves fillers dispersion in the rubber matrix. The presence of EVA-18 at concentrations up to 20 parts per hundred of rubber (phr) in NR/BR vulcanizates improves the mechanical properties by approximately 24% compared to un-compatibilized NR/BR vulcanizates, which is superior to the most present studies. This work will be beneficial for the development of NR/BR blends in the industry and provide a guideline for designing efficient compatibilizers for other immiscible rubber blends.

Graphical abstract

天然橡胶（NR）与顺式-1,4-聚丁二烯橡胶（BR）共混具有提高NR耐低温和耐磨性的潜力，受到了广泛的关注，但NR与BR之间的不相容以及填料分布的不均匀往往会对其力学性能产生不利影响。在此，我们提出了一种简单的方法来调节NR/BR共混物的多尺度结构，包括聚合物相容性和填料分布，通过引入具有不同醋酸乙烯（VA）含量的醋酸乙烯（EVA）作为多功能相容剂。结果表明，通过调整EVA中VA的含量，可以很容易地定制NR/BR共混物的固化特性（即加工性能）和力学性能。当EVA中VA含量增加到18% （EVA-18）时，NR/BR共混物同时具有良好的加工性能和力学性能。微观结构分析表明，EVA-18的引入不仅增强了NR与BR的相容性，显著减小了结构域尺寸，而且改善了填料在橡胶基体中的分散性。与未相容的NR/BR硫化胶相比，当EVA-18的浓度高达百分之20橡胶（phr）时，其机械性能提高了约24%，这优于目前大多数研究。本研究将有利于NR/BR共混物的工业发展，并为其它非混相橡胶共混物增容剂的设计提供指导。图形抽象

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引用次数: 0

Development of cinnamon essential oil-loaded Pickering emulsions stabilized by chitosan/gelatin nanoparticles with enhanced antibacterial and antibiofilm actives 壳聚糖/明胶纳米颗粒稳定肉桂精油皮克林乳剂的研制，增强其抗菌和抗生物膜活性

Journal of Leather Science and Engineering

Pub Date : 2025-01-03 DOI: 10.1186/s42825-024-00180-8

Zhilang Xu, Xinxin Wang, Huaqian Liang, Xinying Li, Derong Li, Changdao Mu, Liming Ge, Defu Li

Bacterial biofilm infection is a complicated and important global problem. Non-toxic biomass-based Pickering emulsions as an essential oil delivery system are a potentially effective means in biofilm treatment. Herein, the chitosan/gelatin complex nanoparticles (CGNPs) stabilized Pickering (CGP) emulsion loaded with cinnamon essential oil (CEO) was developed to inhibit and remove bacterial biofilms. CGNPs were initially successfully prepared with a particle size of 253.7 nm. Subsequently, CGP emulsions were prepared using CGNPs as the emulsifier and CEO as the oil phase, with the aqueous phase pH value of 5.5 and ionic strength of 50 mM. Amino groups of CGNPs were crosslinked with the aldehyde group of CEO via Schiff base reaction at the oil–water interface to form a denser core–shell structure, thus improving the stability of Pickering emulsion. The CGP emulsions exhibit controlled and long-term sustained release properties in essential oil delivery, with 89.8%, 81.0%, and 62.2% CEO release within 168 h for CGP-0.1, CGP-0.2, and CGP-0.3, respectively. Moreover, CGP emulsions have stronger antioxidant activities (nearly 100%), broad-spectrum antibacterial activities (> 90%), enhanced penetration and removal capabilities against preformed biofilms than single CEO or CGNPs, as well as its better biocompatibility than conventional surfactant-stabilized emulsions. Hence, CEO-delivered CGP emulsion could serve as a potential strategy against biofilm infections and bacterial resistance.

Graphical abstract

细菌生物膜感染是一个复杂而重要的全球性问题。无毒性生物质皮克林乳剂作为一种精油输送系统，在生物膜处理中具有潜在的有效性。本研究制备了壳聚糖/明胶复合纳米颗粒（CGNPs）稳定皮克林（CGP）乳液，负载肉桂精油（CEO），以抑制和去除细菌生物膜。初步成功制备了粒径为253.7 nm的CGNPs。随后，以CGNPs为乳化剂，以CEO为油相制备CGP乳液，水相pH值为5.5，离子强度为50 mM。CGNPs的氨基与CEO的醛基在油水界面通过希夫碱反应交联，形成更致密的核壳结构，提高了皮克林乳液的稳定性。CGP乳剂具有控释性和长效缓释性，CGP-0.1、CGP-0.2和CGP-0.3在168 h内的CEO释放率分别为89.8%、81.0%和62.2%。此外，CGP乳剂具有较强的抗氧化活性（接近100%），广谱抗菌活性（> 90%），对预成型生物膜的渗透和去除能力优于单一的CEO或CGNPs，生物相容性优于传统的表面活性剂稳定乳剂。因此，ceo - CGP乳剂可以作为对抗生物膜感染和细菌耐药性的潜在策略。图形抽象

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引用次数: 0

A novel recycling technology for chrome shavings: efficient separation of chromium and collagen fibers based on swelling inhibition in alkali-acid processing 一种新的铬屑回收技术：碱酸处理中基于抑制溶胀的铬和胶原纤维的有效分离

Journal of Leather Science and Engineering

Pub Date : 2025-01-02 DOI: 10.1186/s42825-024-00182-6

Honghong Chen, Minghui Li, Sadaqat Ali Chattha, Xu Zhang, Biyu Peng, Chunxiao Zhang

Dechroming techniques with a low degree of collagen hydrolysis and a high degree of dechroming are more suitable for the resource utilization of chrome shavings. However, achieving efficient simultaneous separation of chromium and collagen fibers is challenging because swollen collagen fibers absorb a large amount of chromium-containing water and are prone to hydrolysis after dechroming. This study investigated the correlation between the swelling inhibition of collagen fibers and the extent of dechroming and optimized the process parameters. The results demonstrated that the incorporation of neutral salt significantly increased the rate of dechroming and reduced the degree of collagen hydrolysis. The optimized alkali-acid-washing process was as follows: soaking in a Na₂SO₄ solution (4%, w/w), dechroming with a NaOH solution at pH 13.5, rapidly adjusting the pH of reactants to 1.0 with an H₂SO₄ solution, pressure filtration, washing the filtered residue with 5% Na₂SO₄ solution (w/w) at pH 1.0, followed by pressure filtration. After two cycles of the alkali-acid-washing process, the filtered residue was washed with an oxalic acid-Na₂SO₄ solution (5%, w/w) and pressure-filtered again. The chromium content of recovered collagen was reduced to 34.0 mg/kg. The degree of collagen hydrolysis was confined to 9% with the fiber morphology completely retained. The wastewater chromium content was reduced to 0.4 mg/L after the simple precipitation, meeting the direct discharge requirement. The recycled chrome was utilized as chrome-tanning agent. These results suggested that the established method could be a promising resource reutilization route for the sustainable development of the leather industry.

Graphical abstract

低胶原水解度和高脱色度的脱色技术更适合铬屑的资源化利用。然而，实现铬和胶原纤维的有效同时分离是具有挑战性的，因为肿胀的胶原纤维吸收了大量含铬的水，并且在脱铬后容易水解。本研究考察了胶原纤维的消肿作用与脱色程度的关系，并对工艺参数进行了优化。结果表明，中性盐的掺入显著提高了脱色率，降低了胶原蛋白的水解程度。优化的碱酸洗工艺为：Na2SO4溶液（4%,w/w）浸泡，NaOH溶液（pH值13.5）脱色，H2SO4溶液快速调节反应物pH值至1.0，加压过滤，过滤后的残渣用5% Na2SO4溶液（w/w）在pH值1.0下洗涤，再加压过滤。经过两个循环的碱-酸洗涤过程后，过滤后的残渣用草酸- na2so4溶液（5%,w/w）洗涤，再次加压过滤。回收胶原蛋白的铬含量降至34.0 mg/kg。胶原蛋白水解程度限制在9%，纤维形态完全保留。经简单沉淀处理后，废水铬含量降至0.4 mg/L，满足直接排放要求。将回收的铬用作铬鞣剂。上述结果表明，所建立的方法为皮革工业的可持续发展提供了一条有前途的资源再利用途径。图形抽象

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引用次数: 0

The study on multi-defect detection for leather using object detection techniques 基于目标检测技术的皮革多缺陷检测研究

Journal of Leather Science and Engineering

Pub Date : 2024-12-31 DOI: 10.1186/s42825-024-00186-2

Hasan Onur Ataç, Ahmet Kayabaşı, M. Fatih Aslan

Leather has played a very important role in human life for thousands of years. Ensuring the quality of leather and addressing surface defects poses significant challenges. Traditionally, human inspectors are responsible for detecting surface defects in tanneries, but this approach is labor-intensive and susceptible to human error. As a result, there is a growing demand for automated systems to detect the defects. Herein, artificial intelligence (AI) was developed to detect the defects on leather surfaces. Six targeted defect types, denoted as insect bites, scratches, holes, stitch marks, diseased and ruptures, were specifically addressed to enhance the overall quality assessment process. AI-based vision techniques were used to detect flaws on the leather on photographs taken with a high-resolution camera. Deep learning algorithms Mask R-CNN, YOLOv8 and within the framework of Detectron2, RetinaNet R101 3x, Faster R-CNN R101-FPN 3x models were performed and a comparison was made between these algorithms. By using the slicing aided hyper-inference (SAHI) algorithm in coordination with these algorithms, the detection rates of small defects on the images were increased. The highest accuracy rate was achieved when the YOLOv8 algorithm had 75 epoch values for training, and the SAHI algorithm had slice height-width values of 256 × 256 pixels.

Graphical Abstract

几千年来，皮革在人类生活中扮演着非常重要的角色。确保皮革的质量和解决表面缺陷提出了重大挑战。传统上，人类检查员负责检测制革厂的表面缺陷，但这种方法是劳动密集型的，容易出现人为错误。因此，对检测缺陷的自动化系统的需求不断增长。在此，开发了人工智能（AI）来检测皮革表面的缺陷。针对虫咬、划伤、孔洞、针痕、病变和破裂等六种目标缺陷类型进行了具体处理，以提高整体质量评估过程。基于人工智能的视觉技术被用于检测高分辨率相机拍摄的照片上的皮革缺陷。对深度学习算法Mask R-CNN、YOLOv8和Detectron2、RetinaNet R101 3x、Faster R-CNN R101- fpn 3x模型框架下的深度学习算法进行了比较。将切片辅助超推理（SAHI）算法与上述算法配合使用，提高了图像小缺陷的检出率。YOLOv8算法训练时的epoch值为75，SAHI算法的切片高宽值为256 × 256像素时准确率最高。图形抽象

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引用次数: 0

Collagen-based materials in male genitourinary diseases and tissue regeneration 胶原基材料在男性泌尿生殖系统疾病和组织再生中的应用

Journal of Leather Science and Engineering

Pub Date : 2024-12-18 DOI: 10.1186/s42825-024-00185-3

Fangyuan Li, XinHuang, Ruiying Wang, Yujing Li, Lukanxuan Wu, Xinyu Qiao, Yuchan Zhong, Guidong Gong, Wei Huang

Male genitourinary dysfunction causes serious physical or mental distress, such as infertility and psychological harm, which leads to impaired quality of life. Current conventional treatments involving drug therapy, surgical repair, and tissue grafting have a limited effect on recovering the function and fertility of the genitourinary organs. To address these limitations, various biomaterials have been explored, with collagen-based materials increasingly gaining attention for reconstructing the male genitourinary system due to their superior biocompatibility, biodegradability, low antigenicity, biomimetic 3D matrix characteristics, hemostatic efficacy, and tissue regeneration capabilities. This review covers the recent biomedical applications of collagen-based materials including treatment of erectile dysfunction, premature ejaculation, penile girth enlargement, prostate cancer, Peyronie's disease, chronic kidney disease, etc. Although there are relatively few clinical trials, the promising results of the existing studies on animal models reveal a bright future for collagen-based materials in the treatment of male genitourinary diseases.

Graphic Abstract

男性泌尿生殖功能障碍会造成严重的身体或精神困扰，如不育和心理伤害，从而导致生活质量受损。目前包括药物治疗、手术修复和组织移植在内的传统治疗方法对恢复泌尿生殖器官的功能和生育能力的影响有限。为了解决这些局限性，人们探索了各种生物材料，胶原基材料由于其优越的生物相容性、生物可降解性、低抗原性、仿生3D基质特性、止血功效和组织再生能力，在重建男性泌尿生殖系统方面越来越受到关注。本文综述了近年来胶原基材料在勃起功能障碍、早泄、阴茎增粗、前列腺癌、佩罗尼氏病、慢性肾脏疾病等方面的生物医学应用。虽然临床试验相对较少，但现有的动物模型研究结果显示，胶原基材料在治疗男性泌尿生殖系统疾病方面具有光明的前景。图形抽象

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引用次数: 0

The chondrogenic differentiation of BMSCs in collagen hydrogels and the effect of MMPs among cell-material interactions 胶原水凝胶中骨髓间充质干细胞的成软骨分化及基质蛋白酶在细胞-物质相互作用中的作用

Journal of Leather Science and Engineering

Pub Date : 2024-12-01 DOI: 10.1186/s42825-024-00176-4

Yajun Tang, Jing Wang, He Qiu, Yang Xu, Zhanhong Liu, Lu Song, Hai Lin, Xingdong Zhang

The purpose of this study was to investigate the influence of the advanced structure of collagen on the chondrogenic differentiation of BMSCs encapsulated in collagen hydrogels, with an emphasis on MMPs which might affect the cell-material interactions. Collagen and gelatin-based hydrogels with comparable physicochemical properties but mainly distinctive in molecular structure were prepared and further utilized to load BMSCs to study the chondrogenesis. The detection results of MMPs in hydrogels with and without TIMP at both gene and protein levels suggested that MMPs were involved in cell recognition, adhesion, migration, proliferation and further remodeling of cell microenvironment. The chondrogenic gene detection, histological observation and extracellular matrix analysis indicated that the BMSCs were well differentiated into chondrocytes and maintained the phenotypes in collagen hydrogels (C group) which preserved the native structures, comparing with those results acquired from gelatin hydrogels (G group). Finally, the expression of several integrin subunits was investigated to analyze the connection of these cell membrane surface proteins and microenvironment remodeled by MMPs in collagen and gelatin hydrogels. The conclusion was drawn that the advanced structure of collagen affected the chondrogenesis of BMSCs via the cell-material interactions, among which MMPs were one of the major factors crucial to form appropriate microenvironment to modulate the BMSCs fate.

Graphical abstract

本研究的目的是探讨胶原的高级结构对胶原水凝胶包膜的骨髓间充质干细胞成软骨分化的影响，重点研究可能影响细胞-物质相互作用的MMPs。制备了物理化学性质相近但分子结构主要不同的胶原蛋白和明胶基水凝胶，并将其应用于骨髓间充质干细胞的软骨形成研究。在带TIMP和不带TIMP的水凝胶中，MMPs在基因和蛋白水平上的检测结果表明，MMPs参与了细胞识别、粘附、迁移、增殖以及细胞微环境的进一步重塑。成软骨基因检测、组织学观察和细胞外基质分析表明，与明胶水凝胶（G组）相比，胶原水凝胶（C组）中BMSCs分化良好，表型保持原状，保留了原有结构。最后，我们研究了几个整合素亚基的表达，分析了这些细胞膜表面蛋白与胶原和明胶水凝胶中MMPs重塑的微环境的关系。结论：胶原的高级结构通过细胞-物质相互作用影响骨髓间充质干细胞的软骨形成，其中MMPs是形成适当微环境调节骨髓间充质干细胞命运的重要因素之一。图形抽象

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引用次数: 0

A comprehensive review of cellulose nanomaterials for adsorption of wastewater pollutants: focus on dye and heavy metal Cr adsorption and oil/water separation 全面评述用于吸附废水污染物的纤维素纳米材料：重点关注染料和重金属 Cr 的吸附以及油/水分离

Journal of Leather Science and Engineering

Pub Date : 2024-11-20 DOI: 10.1186/s42825-024-00179-1

Yadong Yang, Xuanze Li, Caichao Wan, Zhe Zhang, Wenzhe Cao, Guanyu Wang, Yiqiang Wu

Cellulose is widely distributed in higher plants and constitutes the most abundant natural biopolymer on Earth. Nanocellulose is a cellulose material with nanoscale dimensions, obtained through special processing and treatment. Up to now, nanocellulose has been widely investigated as a biosorbent to absorb various types of pollutants in wastewater due to its excellent properties, such as large specific surface area, antifouling behaviour, high aspect ratio, high heat resistance, excellent mechanical properties, biodegradability and biocompatibility. In addition, nanocellulose can be rationally structured by different recombination techniques such as membranes, sponges, aerogels, hydrogels and microspheres and provide specialised functionality for the adsorption of various types of pollutants from wastewater. This review introduces the basic properties, classification and modification methods of nanocellulose; discusses the preparation strategies of nanocellulose-based recombinant materials (including vacuum/pressurised filtration, sol–gel and electrospinning); reviews research progress in the adsorption of organic dyes and heavy metal Cr, as well as the separation of oil/water using nanocellulose-based recombinant materials; and explores the potential of nanocellulose in treating tannery wastewater. Finally, the problems faced by nanocellulose-based recombinant materials and future prospects are presented.

Graphical Abstract

纤维素广泛分布于高等植物中，是地球上最丰富的天然生物聚合物。纳米纤维素是一种通过特殊加工和处理获得的具有纳米尺寸的纤维素材料。纳米纤维素具有比表面积大、防污、高纵横比、高耐热性、优异的机械性能、生物可降解性和生物相容性等优良特性，迄今为止，纳米纤维素作为一种生物吸附剂吸收废水中的各种污染物已得到广泛研究。此外，纳米纤维素还可以通过不同的重组技术（如膜、海绵、气凝胶、水凝胶和微球）进行合理的结构化，并为吸附废水中的各类污染物提供专门的功能。本综述介绍了纳米纤维素的基本特性、分类和改性方法；讨论了基于纳米纤维素的重组材料的制备策略（包括真空/加压过滤、溶胶-凝胶和电纺丝）；回顾了利用基于纳米纤维素的重组材料吸附有机染料和重金属 Cr 以及分离油/水的研究进展；并探讨了纳米纤维素在处理制革废水方面的潜力。最后，介绍了基于纳米纤维素的重组材料面临的问题和未来前景。图文摘要

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引用次数: 0

Correction: an exploration of enhancing thermal stability of leather by hydrophilicity regulation: effect of hydrophilicity of phenolic syntan 更正：通过亲水性调节提高皮革热稳定性的探索：酚类合成物亲水性的影响

Journal of Leather Science and Engineering

Pub Date : 2024-11-04 DOI: 10.1186/s42825-024-00178-2

Qingyong Sun, Yunhang Zeng, Yue Yu, Ya-nan Wang, Bi Shi

引用次数: 0

Engineering collagen-based biomaterials for cardiovascular medicine 用于心血管医学的胶原基生物材料工程学

Journal of Leather Science and Engineering

Pub Date : 2024-11-01 DOI: 10.1186/s42825-024-00174-6

Xianghao Zuo, Yao Xiao, Jing Yang, Yuanmeng He, Yunxiang He, Kai Liu, Xiaoping Chen, Junling Guo

Cardiovascular diseases have been the leading cause of global mortality and disability. In addition to traditional drug and surgical treatment, more and more studies investigate tissue engineering therapeutic strategies in cardiovascular medicine. Collagen interweaves in the form of trimeric chains to form the physiological network framework of the extracellular matrix of cardiac and vascular cells, possessing excellent biological properties (such as low immunogenicity and good biocompatibility) and adjustable mechanical properties, which renders it a vital tissue engineering biomaterial for the treatment of cardiovascular diseases. In recent years, promising advances have been made in the application of collagen materials in blood vessel prostheses, injectable cardiac hydrogels, cardiac patches, and hemostatic materials, although their clinical translation still faces some obstacles. Thus, we reviewed these findings and systematically summarizes the application progress as well as problems of clinical translation of collagen biomaterials in the cardiovascular field. The present review contributes to a comprehensive understanding of the application of collagen biomaterials in cardiovascular medicine.

Graphical abstract

心血管疾病一直是导致全球死亡和残疾的主要原因。除了传统的药物和手术治疗外，越来越多的研究探讨了心血管医学中的组织工程治疗策略。胶原蛋白以三聚体链的形式交织在一起，形成心脏和血管细胞细胞外基质的生理网络框架，具有优良的生物学特性（如低免疫原性和良好的生物相容性）和可调节的机械特性，是治疗心血管疾病的重要组织工程生物材料。近年来，胶原蛋白材料在血管假体、可注射心脏水凝胶、心脏补片和止血材料等方面的应用取得了可喜的进展，但其临床转化仍面临一些障碍。因此，我们对这些研究成果进行了回顾，系统总结了胶原蛋白生物材料在心血管领域的应用进展以及临床应用中存在的问题。本综述有助于全面了解胶原蛋白生物材料在心血管医学中的应用。

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引用次数: 0

Fabrication of PBAT/lignin composite foam materials with excellent foaming performance and mechanical properties via grafting esterification and twin-screw melting free radical polymerization 通过接枝酯化和双螺杆熔融自由基聚合，制备具有优异发泡性能和机械性能的 PBAT/木质素复合泡沫材料

Journal of Leather Science and Engineering

Pub Date : 2024-10-17 DOI: 10.1186/s42825-024-00177-3

Hongsen Xu, Jingwen Shaoyu, Junyang Jin, Ming Li, Lei Ji, Wei Zhuang, Chenglun Tang, Zhiwei Chang, Hanjie Ying, Chenjie Zhu

As one of the mainstream biodegradable materials, poly(butylene adipate-co-terephthalate) (PBAT) foams offer a sustainable alternative to traditional plastic foams, effectively reducing environmental pollution. However, the high cost and poor mechanical performance of PBAT foams impede their practical application. Herein, the glycidyl methacrylate-grafted biomass lignin (GML) was used to produce a PBAT/GML composite foam with good foaming performance and mechanical properties at high lignin-filling amounts by twin-screw melting free radical polymerization and supercritical CO₂ foaming process. The compatibility of GML in the PBAT matrix was improved due to the formation of ester bonds in modified lignin, endowing the PBAT/GML (PGML) composite foam with exceptional foaming performance. Additionally, the mechanical properties of PGML composite foam were remarkably enhanced due to the introduction of the abundant aromatic structures of GML and the construction of a stable covalent crosslinking network. The compressive strengths and compression modulus of the PGML foam were improved by 2.53 times and 2.47 times, while its bending strength and bending modulus were improved by 1.27 times and 3.92 times compared to the neat PBAT. This research affords a new strategy for developing low-cost biodegradable biomass PBAT/lignin composite foam materials with good foaming performance and mechanical properties.

Graphical abstract

作为主流生物降解材料之一，聚己二酸丁二醇酯（PBAT）泡沫可替代传统塑料泡沫，有效减少环境污染。然而，PBAT 泡沫成本高、机械性能差，阻碍了其实际应用。本文采用甲基丙烯酸缩水甘油酯接枝生物质木质素（GML），通过双螺杆熔融自由基聚合和超临界二氧化碳发泡工艺，制备了PBAT/GML复合泡沫，在高木质素填充量下具有良好的发泡性能和机械性能。由于在改性木质素中形成了酯键，GML 在 PBAT 基体中的相容性得到了改善，从而使 PBAT/GML （PGML）复合泡沫具有优异的发泡性能。此外，由于引入了 GML 的丰富芳香结构并构建了稳定的共价交联网络，PGML 复合泡沫的机械性能也得到了显著提高。与纯 PBAT 相比，PGML 泡沫的压缩强度和压缩模量分别提高了 2.53 倍和 2.47 倍，弯曲强度和弯曲模量分别提高了 1.27 倍和 3.92 倍。这项研究为开发具有良好发泡性能和机械性能的低成本可生物降解生物质PBAT/木质素复合泡沫材料提供了一种新策略。图文摘要

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引用次数: 0