Effect of cellulose micro/nanofibrils and carboxylated styrene butadiene rubber coating on sack kraft paper

IF 0.9 4区 农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD Nordic Pulp & Paper Research Journal Pub Date : 2023-07-07 DOI:10.1515/npprj-2023-0016
L. N. Hugen, Eduardo Miranda, Allan de Amorim dos Santos, R. C. Lago, L. Silva, G. Tonoli, S. Ferreira
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Abstract

Abstract The main objective of this research is to evaluate the influence of coating based on cellulose micro/nanofibrils (CMF) and carboxylated styrene butadiene rubber (XSBR) on sack kraft paper, for possible use in packaging. Filmogenic solutions were applied manually as a coating on sack kraft paper. These solutions were prepared by suspensions of CMF 1.5 % w/v with the addition of different content of XSBR (0, 2, 10, and 20 % about the total mass of CMF). Uncoated sack kraft paper was used as control. Films were obtained by casting and characterized physically, morphologically, and mechanically. The results demonstrated that XSBR and CMF composite suspension showed good performance as a coating on sack kraft paper. The formation of homogeneous structures well distributed on paper can be observed on scanning electron microscope images. Coatings containing XSBR presented a smoother surface, less porosity and hydrophilicity, and a greater coalescence, with good properties of air resistance and water vapor permeability. However, regarding mechanical properties, there were no improvements in coated papers. Therefore, the present study contributed information on the development of more flexible and hydrophobic cellulosic papers for possible applications in the industrial packaging sector.
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纤维素微/纳米原纤维与羧化丁苯橡胶涂布对袋装牛皮纸的影响
摘要本研究的主要目的是评估基于纤维素微/纳米纤维(CMF)和羧化苯乙烯-丁二烯橡胶(XSBR)的涂层对麻袋牛皮纸的影响,以备在包装中使用。成膜溶液作为涂层手动施加在麻袋牛皮纸上。这些溶液是通过CMF1.5的悬浮液制备的 % w/v,添加不同含量的XSBR(0、2、10和20 % 大约CMF的总质量)。使用未涂布的袋装牛皮纸作为对照。通过流延获得薄膜,并对其进行物理、形态和机械表征。结果表明,XSBR和CMF复合悬浮液在麻袋牛皮纸上具有良好的涂层性能。在扫描电子显微镜图像上可以观察到均匀结构在纸上的形成。含有XSBR的涂层表面更光滑,孔隙率和亲水性更小,聚结性更强,具有良好的空气阻力和水蒸气渗透性。然而,在机械性能方面,涂布纸没有任何改进。因此,本研究为开发更具柔性和疏水性的纤维素纸在工业包装领域的可能应用提供了信息。
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来源期刊
Nordic Pulp & Paper Research Journal
Nordic Pulp & Paper Research Journal 工程技术-材料科学:纸与木材
CiteScore
2.50
自引率
16.70%
发文量
62
审稿时长
1 months
期刊介绍: Nordic Pulp & Paper Research Journal (NPPRJ) is a peer-reviewed, international scientific journal covering to-date science and technology research in the areas of wood-based biomass: Pulp and paper: products and processes Wood constituents: characterization and nanotechnologies Bio-refining, recovery and energy issues Utilization of side-streams from pulping processes Novel fibre-based, sustainable and smart materials. The editors and the publisher are committed to high quality standards and rapid handling of the peer review and publication processes. Topics Cutting-edge topics such as, but not limited to, the following: Biorefining, energy issues Wood fibre characterization and nanotechnology Side-streams and new products from wood pulping processes Mechanical pulping Chemical pulping, recovery and bleaching Paper technology Paper chemistry and physics Coating Paper-ink-interactions Recycling Environmental issues.
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