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Attritor-milling of poly(amide imide) suspensions
Citation Link: https://doi.org/10.15480/882.2359
Publikationstyp
Journal Article
Date Issued
2014-12
Sprache
English
TORE-DOI
TORE-URI
Journal
Volume
17.2014
Start Page
92
End Page
96
Publisher DOI
Scopus ID
Publisher
Elsevier
The milling behavior of poly(amide imide), which serves as a prototypical hydrophilic high-performance polymer with a high glass transition temperature, was investigated. Various milling conditions (milling times up to 7 h, stirrer tip speeds of 3.4-4.9 m/s, and mass concentrations of 5-20%) were tested, and particle sizes as low as d50,3 ∼ 3 μm were obtained. The milling was performed at 11°C in an attritor. Differential scanning calorimetry and thermogravimetric analysis were performed before and after milling to investigate the effect of milling on the glass transition temperature and on the decomposition behavior of the polymer. The suspension obtained after milling was observed to be stable without the addition of stabilizers or the adjustment of the pH value, and no negative effect of milling on the polymer properties was observed. The attritor technique proved to be an adequate and efficient milling tool for the production of micrometer-sized high-performance polymer suspensions.
Subjects
Attritor
polymer
grinding
Suspension
DDC Class
620: Ingenieurwissenschaften
Funding(s)
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Name
1-s2.0-S1674200113002290-main.pdf
Size
1.41 MB
Format
Adobe PDF