Effects of xylan-modified precipitated calcium carbonate filler on the properties of paper

IF 0.9 4区农林科学 Q3 MATERIALS SCIENCE, PAPER & WOOD

Nordic Pulp & Paper Research Journal Pub Date : 2024-08-23 DOI:10.1515/npprj-2024-0042

Onur Unlu, Ayse Aytac

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引用次数: 0

Abstract

The use of mineral-based fillers tends to reduce the mechanical properties of paper, which can limit their application. The filler surface modification is a significant treatment to overcome this limitation. This research aims to offer a novel modified mineral-based filler to provide its industrial application. The surface of precipitated calcium carbonate (PCC) was modified with xylan (XS), which is a type of hemicellulose, a polysaccharide consisting mainly of xylose residues. It is used as a filler at different filler dosage levels in paper pulp. Modified PCC(MPCC) was characterized with Fourier transform infrared spectroscopy, Thermogravimetric analysis, X-ray photoelectron spectroscopy, X-ray diffraction and Field-emission scanning electron microscopy analyses. The analysis demonstrated that the MPCC filler surface was coated with XS successfully. The effect of PCC and MPCC-filled hand-sheet paper physical, chemical and optical properties were studied. The experimental results showed that the mechanical (tensile, burst, tear strength) and optical (brightness, opacity) of hand-sheet paper filled with MPCC were significantly improved compared with unmodified PCC-filled paper at the same ash content. The filler retention of PCC and MPCC fillers in paper was investigated, and the MPCC filler showed better filler retention properties in paper stock than the PCC filler.

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木聚糖改性沉淀碳酸钙填料对纸张性能的影响

矿物基填料的使用往往会降低纸张的机械性能，从而限制其应用。填料表面改性是克服这一限制的重要方法。本研究旨在提供一种新型改性矿物基填料，以提供其工业应用。木聚糖是一种半纤维素，是一种主要由木糖残基组成的多糖。木聚糖是一种半纤维素，是一种主要由木糖残渣组成的多糖，在纸浆中可用作不同用量的填料。通过傅里叶变换红外光谱、热重分析、X 射线光电子能谱、X 射线衍射和场发射扫描电子显微镜分析，对改性 PCC（MPCC）进行了表征。分析表明，MPCC 填料表面成功包覆了 XS。研究了 PCC 和 MPCC 填料对手抄纸物理、化学和光学性能的影响。实验结果表明，在灰分含量相同的情况下，与未改性的 PCC 填充纸相比，填充了 MPCC 的手抄纸的机械性能（抗张强度、耐破度、撕裂强度）和光学性能（白度、不透明度）均有明显改善。研究了 PCC 填料和 MPCC 填料在纸中的留着率，结果表明 MPCC 填料在纸浆中的留着率优于 PCC 填料。

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来源期刊

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

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.