NDLI: Effect of cellulose nanofiber dimensions on sheet forming through filtration

Content Provider	Springer Nature Link
Author	Zhang, Liyuan Batchelor, Warren Varanasi, Swambabu Tsuzuki, Takuya Wang, Xungai
Copyright Year	2012
Abstract	Four different cellulose nanofibers samples were prepared from northern bleached softwood kraft fibers. Fiber diameter distributions were measured from SEM images. Fiber aspect ratios ranging from 84 to 146 were estimated from fiber suspension sedimentation measurements. Three samples had heterogeneous distributions of fiber diameters, while one sample was more homogeneous. Sheet forming experiments using filters with pores ranging from 150 to 5 μm showed that the samples with a heterogeneous distribution of fiber dimensions could be easily formed into sheets at 0.2% initial solids concentration with all filter openings. On the other hand, sheets could only be formed from the homogenous sample by using 0.5% or more initial solids content and a lower applied vacuum and smaller filter openings. The forming data and estimated aspect ratios show reasonable agreement with the predictions of the crowding number and percolation theories for the connectivity and rigidity thresholds for fiber suspensions.
Starting Page	561
Ending Page	574
Page Count	14
File Format	PDF
ISSN	09690239
Journal	Cellulose
Volume Number	19
Issue Number	2
e-ISSN	1572882X
Language	English
Publisher	Springer Netherlands
Publisher Date	2012-01-17
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cellulose nanofiber Nanofiber length Sedimentation Nanofiber sheets Polymer Sciences Bioorganic Chemistry Organic Chemistry Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

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