Ultra-lightweight cellulose foam material: preparation and properties

Li, Ran; Du, Jinyan; Zheng, Yanmei; Wen, Yueqin; Zhang, Xin‐Xiang; Yang, Wenbin; Lue, Ang; Zhang, Lina

doi:10.1007/s10570-017-1196-y

Cited by 48 publications

(14 citation statements)

References 23 publications

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“…Foam forming offers possibilities for cost saving and environmental impact reduction through better energy and water efficiency (Smith and Punton 1975;Lehmonen et al 2013) and higher dryness levels after the forming section (Smith et al 1974;Wiggins 1973;Torvinen et al 2015). Perhaps even more importantly, foam forming enables widening of the product portfolio with highly porous structures (Madani et al 2014;Jahangiri et al 2014;Alimadadi and Uesaka 2016;Pöhler et al 2016;Li et al 2017;Burke et al 2019) and non-woven sheets composed of long fibers (Koponen et al 2016a, b).…”

Section: Introductionmentioning

confidence: 99%

Dewatering of foam-laid and water-laid structures and the formed web properties

et al. 2019

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The use of aqueous foams as a carrier fluid for pulp fibers instead of water has re-emerged in the paper and board industry in recent years. In foam forming, a surfactant is needed to reduce the surface tension of the carrier liquid and to create foam as a process fluid and flowing medium. This presents the following questions: (1) How do the water forming and foam forming processes differ? (2) How do the obtained wet/dry fibre sheets differ after forming and after wet pressing? (3) Which differences in the process behavior and sheet properties are due to the surfactant, and which are due to the presence of air bubbles in the flowing medium? The answers to these questions were sought by using an experimental academic approach and by applying a special dynamic

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Section: Introductionmentioning

confidence: 99%

Dewatering of foam-laid and water-laid structures and the formed web properties

et al. 2019

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“…In previous work, ultra-light-weight cellulose foams were realized by combination of the foam forming technique and a novel cellulose solvent by adding sodium dodecyl sulfate (SDS) to the NaOH/urea aqueous solution with a further mechanical stir [20]. Cellulose foam is ultra-low density and has good mechanical properties; as a result, it can be utilized as a matrix to fabricate composite materials via mixing with some other functional fillers.…”

Section: Introductionmentioning

confidence: 99%

Lightweight Cellulose/Carbon Fiber Composite Foam for Electromagnetic Interference (EMI) Shielding

Lin

Lan

et al. 2018

Polymers

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Lightweight electromagnetic interference shielding cellulose foam/carbon fiber composites were prepared by blending cellulose foam solution with carbon fibers and then freeze drying. Two kinds of carbon fiber (diameter of 7 μm) with different lengths were used, short carbon fibers (SCF, L/D = 100) and long carbon fibers (LCF, L/D = 300). It was observed that SCFs and LCFs built efficient network structures during the foaming process. Furthermore, the foaming process significantly increased the specific electromagnetic interference shielding effectiveness from 10 to 60 dB. In addition, cellulose/carbon fiber composite foams possessed good mechanical properties and low thermal conductivity of 0.021–0.046 W/(m·K).

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“…Foams produced from petroleum-based conventional polymers, such as polystyrene (PS) and polyurethane (PU), are widely used in the food packaging industry, because of their excellent properties and low production costs. However, these polymers do not undergo biodegradation and its recycling is unprofitable (Li et al 2017). Hence, the increased customer awareness about the environment and the creation of government laws on environmental protection and waste disposal has encouraged scientists to develop new eco-friendly materials.…”

Section: Introductionmentioning

confidence: 99%

Composite Foams Made from Biodegradable Polymers for Food Packaging Applications

Araque

Álvarez

Gutiérrez

2018

Polymers for Food Applications

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Polymeric foams are cell structures (porous microstructures) that have been frequently made from synthetic polymers for use in the development of food packaging. Due to the problems concerning the environmental impact caused by polymers from the petrochemical industry, the foams have been more recently studied from biodegradable polymers. However, the polymer materials obtained are usually susceptible to moisture, thus conditioning the collapse of the porous structure of the material. As an alternative, the composite foams have been investigated from nanofillers such as clays, cellulose, nanoparticles, among others. This chapter aims to analyze the recent advances in the studies of composite foams.

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Ultra-lightweight cellulose foam material: preparation and properties

Cited by 48 publications

References 23 publications

Dewatering of foam-laid and water-laid structures and the formed web properties

Dewatering of foam-laid and water-laid structures and the formed web properties

Lightweight Cellulose/Carbon Fiber Composite Foam for Electromagnetic Interference (EMI) Shielding

Composite Foams Made from Biodegradable Polymers for Food Packaging Applications

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