纳米纤维素类型和基质材料对纳米复合膜制备的影响

IF 1.3 4区农林科学 Q2 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Chemistry and Technology Pub Date : 2023-07-20 DOI:10.35812/cellulosechemtechnol.2023.57.57

Ekrem Durmaz, S. Ates

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引用次数: 0

摘要

本研究的目的是研究以不同比例的硼酸（BA）和聚乙烯醇（PVA）为基体，将纤维素纳米纤维（CNFs）和纤维素纳米晶体（CNCs）结合制备的纳米复合膜的化学结构、热性能和力学性能。BA增强的纳米复合材料具有B–O–B和B–O-C醚键，而PVA的加入不影响薄膜的化学键。此外，在CNF和CNC薄膜中添加BA提高了薄膜在高温下的耐热性，但添加PVA降低了这些薄膜的热性能。考虑到纳米复合薄膜的机械性能，与BA不同，在CNF和CNC薄膜中添加PVA具有积极的影响。因此，得出结论，每种BA和PVA都有各自的优势，可以优先用于特定的工业应用。

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EFFECT OF NANOCELLULOSE TYPE AND MATRIX MATERIAL ON PRODUCTION OF NANOCOMPOSITE FILMS

The objective of this study has been to investigate the chemical structure, thermal and mechanical properties of nanocomposite films, which were produced by combining cellulose nanofibrils (CNFs) and cellulose nanocrystals (CNCs) with different ratios of boric acid (BA) and polyvinyl alcohol (PVA) as a matrix. Nanocomposites reinforced with BA had B–O–B, and B–O–C ether bonds, while the addition of PVA did not influence the chemical bonds of the films. Furthermore, the addition of BA to CNF and CNC films enhanced the thermal resistance of the films at high temperatures, but the addition of PVA declined the thermal properties of these films. Considering the mechanical properties of nanocomposite films, it was determined that adding PVA to CNF and CNC films had a positive impact, unlike BA. Consequently, it was concluded that each BA and PVA have their advantages and can be preferred for specific industrial applications.

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来源期刊

Cellulose Chemistry and Technology 工程技术-材料科学：纸与木材

CiteScore

2.30

自引率

23.10%

发文量

审稿时长

7.3 months

期刊介绍： Cellulose Chemistry and Technology covers the study and exploitation of the industrial applications of carbohydrate polymers in areas such as food, textiles, paper, wood, adhesives, pharmaceuticals, oil field applications and industrial chemistry. Topics include: • studies of structure and properties • biological and industrial development • analytical methods • chemical and microbiological modifications • interactions with other materials