EFFECTS OF DRYING STRATEGIES AND MICROFIBRILLATED CELLULOSE FIBER CONTENT ON THE PROPERTIES OF FOAM-FORMED PAPER

Korehei Reza; Jahangiri Pouyan; Nikbakht Abbas; Martinez Mark; Olson James

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EFFECTS OF DRYING STRATEGIES AND MICROFIBRILLATED CELLULOSE FIBER CONTENT ON THE PROPERTIES OF FOAM-FORMED PAPER

机译：干燥策略和微纤化纤维素纤维含量对泡沫纸性能的影响

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A novel methodology was used to create a highly porous foam-formed paper that is bonded with highly refined cellulose fiber. In this process, cellulose pulp suspension at various consistencies (0.5, 1.0, 1.5, and 2%) was dispersed in water, followed by foam formation under high shear forces in the presence of a surfactant. Various drying methods were used to achieve foam formation. These included freeze-drying (FD), vacuum-dewatered air-drying (VAD), and dewatered freeze-drying (VFD). Increasing the pulp's consistency and changing the drying techniques from freeze-drying to air-drying resulted in a more compact morphological structure and increased density of foam-formed paper samples. Densification of foam-formed samples was measured using a Dynamic Mechanical Analysis (DMA) machine and a sample with densification at lowest strain value was obtained by a 10 wt% addition of microfibrillated cellulose fiber (MFC). At 10 wt% MFC addition, denser foam-formed paper samples with enhanced microstructure were obtained. Air filtration efficiency and acoustic properties of foam-formed paper were also characterized and optimized by the addition of MFC.

机译：使用一种新颖的方法来创建一种高度多孔的泡沫成型纸，该纸与高度精制的纤维素纤维粘合在一起。在该方法中，将各种浓度（0.5、1.0、1.5和2％）的纤维素纸浆悬浮液分散在水中，然后在表面活性剂存在下在高剪切力下形成泡沫。使用了各种干燥方法来形成泡沫。这些措施包括冷冻干燥（FD），真空脱水的空气干燥（VAD）和脱水的冷冻干燥（VFD）。提高纸浆的稠度，并将干燥技术从冷冻干燥改为风干，可以使形态结构更加紧凑，并增加泡沫成型纸样品的密度。使用动态力学分析（DMA）机测量泡沫形成的样品的致密化，并通过添加10 wt％的微纤化纤维素纤维（MFC）获得具有最低应变值致密化的样品。在添加10wt％的MFC时，获得了具有增强的微结构的致密的泡沫形成的纸样品。还通过添加MFC来表征和优化泡沫成型纸的空气过滤效率和声学性能。

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来源
《Journal of Wood Chemistry and Technology》 |2016年第6期|235-249|共15页
作者
Korehei Reza; Jahangiri Pouyan; Nikbakht Abbas; Martinez Mark; Olson James;
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作者单位

Univ British Columbia, Dept Mech Engn, 2054-6250 Appl Sci Lane, Vancouver, BC V6T 1Z4, Canada;

Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z4, Canada;

Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z4, Canada;

Univ British Columbia, Dept Chem & Biol Engn, Vancouver, BC V6T 1Z4, Canada;

Univ British Columbia, Dept Mech Engn, 2054-6250 Appl Sci Lane, Vancouver, BC V6T 1Z4, Canada;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
Pulp suspension; foam-formed paper; micro-fibrillated cellulose fiber; densification; filtration; acoustic property;

机译：纸浆悬浮液;泡沫纸;微纤化纤维素纤维;致密化;过滤;声学性能;

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1. The effect of fiber content on the mechanical and thermal expansion properties of biocomposites based on microfibrillated cellulose [J] . Nakagaito AN, Yano H Cellulose . 2008,第4期

机译：纤维含量对基于微纤化纤维素的生物复合材料的机械和热膨胀性能的影响
2. The effect of fiber content on the mechanical and thermal expansion properties of biocomposites based on microfibrillated cellulose [J] . Antonio Norio Nakagaito, Hiroyuki Yano Cellulose . 2008,第4期

机译：纤维含量对基于微纤化纤维素的生物复合材料的机械和热膨胀性能的影响
3. The effects of different types of wet-end added microfibrillated celluloses on the properties of paper made from bleached kraft pulp [J] . Ankerfors Mikael, Lindstrom Tom, Nordmark Gunborg Glad Nordic Pulp & Paper Research Journal . 2017,第3期

机译：不同类型的湿部添加微纤化纤维素对漂白牛皮纸浆造纸性能的影响
4. EFFECTS OF CELLULOSE NANOFIBER CONTENT ON OPTICAL,VISCOELASTIC,AND THERMAL PROPERTIES OF CELLULOSE NANOFIBER REINFORCED POLY(METHYL METHACRYLATE) [C] . T.Bennett, T Kuboki, M.Sain Technical Conference of the Society of Plastics Engineers . 2019

机译：纤维素纳米纤维含量对纤维素纳米纤维增强聚（甲基丙烯酸甲酯）的光学，粘弹性和热性能的影响
5. Effect of drying restraint and recycling on mechanical properties of fibers in machine-made paper. [D] . Kappil, Maya Oommen. 1994

机译：干燥抑制和循环利用对机械纸中纤维机械性能的影响。
6. Nanopaper Properties and Adhesive Performance of Microfibrillated Cellulose from Different (Ligno-)Cellulosic Raw Materials [O] . Stefan Pinkl, Stefan Veigel, Jérôme Colson, 2017

机译：不同（木质）纤维素原料的微纤化纤维素的纳米纸性能和粘合性能
7. Stone Matrix Asphalt (SMA) is a gap-graded mix that is gaining popularity worldwide. Generally, gap graded mixes are thought to be weak in fatigue resistance. In this study, cellulose fibers were pre-blended in PG64-22 binder with fiber proportions of 0.2%, 0.4%, 0.6%, 0.8% and 1.0% by weight of aggregates. The fiber-modified binder showed improved rheological properties and showed that the PG64-22 binder can be modified and raised to PG70-22 grade. The cellulose oil palm fiber (COPF) was found to improve the diameteral fatigue performance of SMA design mix. The fatigue life increased to a maximum at a fiber content of about 0.6%, whilst the tensile stress and stiffness also showed a similar trend in performance. The initial strains of the mix were lowest at a fiber content of 0.6%. [O] . Ratnasamy Muniandy, Bujang B.K. Huat 2006

机译：石基沥青（SMA）是一种间隙分级的混合物，在全球范围内越来越受欢迎。通常，间隙梯度混合料被认为抗疲劳性较弱。在这项研究中，将纤维素纤维预先掺入PG64-22粘合剂中，纤维比例为集料重量的0.2％，0.4％，0.6％，0.8％和1.0％。纤维改性的粘合剂表现出改善的流变性能，并表明PG64-22粘合剂可以被改性并提高到PG70-22级。发现纤维素油棕纤维（COPF）可以改善SMA设计混合物的直径疲劳性能。在约0.6％的纤维含量下，疲劳寿命增加到最大值，而拉伸应力和刚度也表现出相似的性能趋势。混合物的初始应变在纤维含量为0.6％时最低。

EFFECTS OF DRYING STRATEGIES AND MICROFIBRILLATED CELLULOSE FIBER CONTENT ON THE PROPERTIES OF FOAM-FORMED PAPER

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