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Volume: 18 | Article ID: art00071_1
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The First Measurement of Cohesive Force Distributions in Powder Flow: New Insights into the Effect of Metal Oxide Surface Additives on Xerographic Toner
Richard P. N. Veregin
Mandy Lam
  DOI :  10.2352/ISSN.2169-4451.2002.18.1.art00071_1  Published Online :  January 2002
Abstract

The Hosokawa powder tester has been used for years to determine cohesion of bulk powders, including toner. For the first time a method is demonstrated to measure cohesive force distributions, rather than just average values, using the Hosokawa tester. The method is demonstrated for toner, varying surface additive composition and loading. Force distributions are shown to be generally log-normal. Both the mean and width of the distributions generally decrease with increased surface additive loading. Thus, better flow with additives decreases peak cohesion and distribution width.

Journal Title : NIP & Digital Fabrication Conference
Publisher Name : Society of Imaging Science and Technology
Publisher Location : 7003 Kilworth Lane, Springfield, VA 22151, USA
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 DOI 10.2352/ISSN.2169-4451.2002.18.1.art00071_1
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Richard P. N. Veregin, Mandy Lam, "The First Measurement of Cohesive Force Distributions in Powder Flow: New Insights into the Effect of Metal Oxide Surface Additives on Xerographic Toner"  in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP18),  2002,  pp 287 - 289,  https://doi.org/10.2352/ISSN.2169-4451.2002.18.1.art00071_1

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Copyright © Society for Imaging Science and Technology 2002
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NIP & Digital Fabrication Conference
nip digi fabric conf
2169-4451
Society of Imaging Science and Technology
7003 Kilworth Lane, Springfield, VA 22151, USA
2169-4451(20020101)2002:1L.287;1-
nip_v2002n1/splitsection71.xml
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Articles
The First Measurement of Cohesive Force Distributions in Powder Flow: New Insights into the Effect of Metal Oxide Surface Additives on Xerographic Toner
VereginRichard P. N.
LamMandy
01012002
2002
1
287
289
2002
The Hosokawa powder tester has been used for years to determine cohesion of bulk powders, including toner. For the first time a method is demonstrated to measure cohesive force distributions, rather than just average values, using the Hosokawa tester. The method is demonstrated for toner, varying surface additive composition and loading. Force distributions are shown to be generally log-normal. Both the mean and width of the distributions generally decrease with increased surface additive loading. Thus, better flow with additives decreases peak cohesion and distribution width.