Simultaneous milling and coating of inorganic particulates with polymeric coating materials using a fluid energy mill

Document Type

Article

Publication Date

1-1-2010

Abstract

A fluid energy-based method and apparatus was used to simultaneously mill and coat coarse particles with the presence of various coating materials, including: three micron-sized particles-carnauba wax, polyethylene (PE), and polytetrafluoroethylene (PTFE) particles, and one type of nanoparticle, PTFE. The coating performance of polymeric materials and their effect on the breakage of the coarse particles were studied. The Young's modulus of the coating materials and the materials' size ratio were found to be critical in controlling the coating quality. The polymeric coating, working as a lubricant and cushion layer, absorbs part of the high kinetic energy and results in the larger particle size of fluid energy mill-ground product. Experimental and simulation results suggest that side-sweep attrition plays a role in breakage of core particles. © 2010 Society of Plastics Engineers.

Identifier

78649563764 (Scopus)

Publication Title

Polymer Engineering and Science

External Full Text Location

https://doi.org/10.1002/pen.21777

e-ISSN

15482634

ISSN

00323888

First Page

2366

Last Page

2374

Issue

12

Volume

50

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