Nanocellulose Fiber Sizing for Fiberglass Composites

Haque, Ejaz; Goswami, Joyanta; Moon, Robert J.; Kalaitzidou, Kyriaki

doi:10.12783/asc34/31326

Cited by 1 publication

(1 citation statement)

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“…Given the identical slot die parameters used for both coatings, the inconsistent thicknesses between SD1 and SD2 are most likely a consequence of the difference in their formulations. Based on previously reported results for the same formulations, it is possible that the presence of CNC may enhance the wetting potential of the emulsion on the glass fiber surface [6]. This is further supported by the observation in this work that the pure emulsion dewetted from small areas of the bare rovings, resulting in shrunken, highly concentrated pools of coating in those areas, whereas the emulsion with CNC impregnated the rovings without issue.…”

Section: Sem Morphologysupporting

confidence: 84%

Scalability Potential of Nanocellulose Glass Fiber Coatings for Lightweight Composites

Asadi¹,

Jarrahbashi²,

Kalaitzidou³

et al. 2020

SAMPE 2020 | Virtual Series

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High levels of greenhouse gas emissions in the transportation sector have sparked a rise in demand for lightweight materials in automotive manufacturing. Developing a material with the appropriate balance of performance, cost, and weight to displace existing structural technologies has proven challenging, however. Some promise has been shown in the use of nanocellulose as a secondary reinforcement phase in fiber-reinforced composites, but process scalability remains a significant barrier to their incorporation at the manufacturer level. Coating the fiber surface with nanocellulose is a conceptually scalable approach to enhancing composite properties through toughening of the fiber-matrix interphase. However, while improvements in mechanical properties have been observed via this approach, the relationship between processing methodology and surface coating properties has yet to be thoroughly studied. This work aims to demonstrate the scalability of nanocellulose fiber coatings and their associated application space using different coating processes. Two scalable thin film deposition methods, slot die and spray coating, will be evaluated. The characteristics of fiber coatings achieved using these methods will be compared using SEM, XPS, and TGA to establish specific advantages of each process. Composite interfacial mechanical properties will also be compared against each other and against lab scale results.

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Section: Sem Morphologysupporting

confidence: 84%