A new slit‐radial die for simultaneously measuring steady state shear viscosity and first normal stress difference of viscoelastic liquids via capillary rheometry

Esfahani, Masood K.; Georgantopoulos, Christos K.; Naue, Ingo F. C.; Sunder, J.; Wilhelm, Manfred

doi:10.1002/app.52094

Cited by 2 publications

(2 citation statements)

References 29 publications

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“…Such occurrence may be caused by the thinning of the fiber diameter as the die temperature rises. The thinner the fiber, the smoother the fiber surface, and the better the wettability of the fiber 39 . The liquid wetting height is also observed increase with increase in the hot air pressure 0.038 to 0.05 MPa, as shown in Figure 10b.…”

Section: Resultsmentioning

confidence: 70%

“…The thinner the fiber, the smoother the fiber surface, and the better the wettability of the fiber. 39 The liquid wetting height is also observed increase with increase in the hot air pressure 0.038 to 0.05 MPa, as shown in Figure 10b. This can be explained by the fact that the rise of hot air pressure causes the pore size of the material to decrease.…”

Section: Liquid Wetting Heightmentioning

confidence: 69%

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Preparation of PLA/PEG@SDS microfibers‐based nonwovens via melt‐blown process parameters: Wound dressings with enhanced water wetting performance

Wang

Zhang

Cao

et al. 2023

J of Applied Polymer Sci

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Polylactic acid (PLA) melt‐blown nonwovens are promising materials for medical and healthcare applications due to their properties such as softness, breathability, biodegradability, and biocompatibility. However, their widespread commercial application has been limited by their poor mechanical properties and insufficient hydrophilicity limit. To address these limitations, we prepared polylactic acid/polyethylene glycol@sodium dodecyl sulfate (PLA/PEG@SDS) microfibers‐based nonwovens using a melt‐blown process. The average fiber diameter of PLA/PEG@SDS microfibers nonwovens could be tuned from 1 to 13.9 μm by regulating the die temperature or hot air pressure. In addition, increasing the die temperature from 210°C to 225°C resulted in a 140.3% and 124.8% increase in the breaking resistance along the mechanical direction (MD) and transverse direction (CD), respectively. Meanwhile, the increase in the breaking resistance was observed between the hot air pressure and the mechanical strength of the PLA/PEG@SDS microfibers‐based nonwovens. Notably, the prepared samples exhibited a short wetting time of 3.438 s, a fast water absorption rate of 68.401%·s−1, and an excellent liquid water diffusion of 5.86 mm s−1. These results suggest that the PLA/PEG@SDS microfibers nonwovens prepared using melt‐blown process demonstrate efficient wetting performance, which paves the way for the industrial production of medical‐grade materials such as wound dressings.

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Section: Resultsmentioning

confidence: 70%

Section: Liquid Wetting Heightmentioning

confidence: 69%

Preparation of PLA/PEG@SDS microfibers‐based nonwovens via melt‐blown process parameters: Wound dressings with enhanced water wetting performance

Wang

Zhang

Cao

et al. 2023

J of Applied Polymer Sci

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High-Moisture Extrusion of Plant Proteins: Fundamentals of Texturization and Applications

Sui,

Zhang,

Zhang

et al. 2024

Annual Review of Food Science and Technology

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The growing demand for sustainable and healthy food alternatives has led to a significant increase in interest in plant-based protein products. Among the various techniques used in creating meat analogs, high-moisture extrusion (HME) stands out as a promising technology for developing plant-based protein products that possess desirable texture and mouthfeel. During the extrusion process, plant proteins undergo a state transition, causing their rheological properties to change, thereby influencing the quality of the final extrudates. This review aims to delve into the fundamental aspects of texturizing plant proteins using HME, with a specific focus on the rheological behavior exhibited by these proteins throughout the process. Additionally, the review explores the future of HME from the perspective of novel raw materials and technologies. In summary, the objective of this review is to provide a comprehensive understanding of the potential of HME technology in the development of sustainable and nutritious plant-based protein products. Expected final online publication date for the Annual Review of Food Science and Technology, Volume 15 is April 2024. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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A new slit‐radial die for simultaneously measuring steady state shear viscosity and first normal stress difference of viscoelastic liquids via capillary rheometry

Abstract: A new slit-radial die capable of simultaneously obtaining steady state shear viscosity η _ γ ð Þ and the average first normal stress difference coefficient ⟨Ψ 1 _ γ ð Þ⟩

Cited by 2 publications

References 29 publications

Preparation of PLA/PEG@SDS microfibers‐based nonwovens via melt‐blown process parameters: Wound dressings with enhanced water wetting performance

Preparation of PLA/PEG@SDS microfibers‐based nonwovens via melt‐blown process parameters: Wound dressings with enhanced water wetting performance

High-Moisture Extrusion of Plant Proteins: Fundamentals of Texturization and Applications

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