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http://dx.doi.org/10.12925/jkocs.2012.29.3.2

A Study on Crystallization of Linear Low Density Polyethylene Particles from Decalin Solution  

Park, Keun-Ho (Dept. of Chemical Engineering, Changwon National University)
Jang, Young-Min (Dee Aen Coteck Co., Ltd. R&D center)
Publication Information
Journal of the Korean Applied Science and Technology / v.29, no.3, 2012 , pp. 370-376 More about this Journal
Abstract
We fabricated linear low density polyethylene (LLDPE) particles via crystallization from decalin solution. In the thermally induced phase separation (TIPS) process, formation of particles occurred during controlled cooling of LLDPE/decalin solution. Despite an increase of nucleation and growth rate for crystals at higher polymer concentrations, which generally results in larger particles than at lower concentration, the average diameter of LLDPE particles increased as LLDPE was more concentrated in decalin solution. In the FE-SEM micrographs, the observed particles from various concentrations were smaller than 10 ${\mu}m$, showing spherical morphologies. In addition to its effect on size, concentration of LLDPE had an broadening effect on the particle size distribution.
Keywords
crystallization; thermally induced phase separation; linear low density polyethylene(LLDPE); polymer; decalin;
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Times Cited By KSCI : 3  (Citation Analysis)
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