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Compatibilization of immiscible blends of polypropylene and isosorbide containing copolyester with silica nanoparticles

Title
Compatibilization of immiscible blends of polypropylene and isosorbide containing copolyester with silica nanoparticles
Author
김성훈
Keywords
blends; poly(propylene) (PP); polyesters; silicas
Issue Date
2020-04
Publisher
WILEY
Citation
POLYMER ENGINEERING AND SCIENCE, v. 60, no. 6, page. 1365-1376
Abstract
In the present study, compatibilization of immiscible blends of polymers was investigated based on the Pickering emulsion concept with various mixing procedures. Silica nanoparticles were incorporated into poly (1,4-cyclohexanedimethylene isosorbide terephthalate) (PEICT)/isotactic polypropylene (iPP) blends. Localization of nanoparticles was effectively modified by varying mixing procedures. Relocation of hydrophilic silica occurred in a secondary mixing procedure with the PEICT, which has relatively high affinity when primarily mixed withiPP. The final location of the silica nanoparticles was confirmed by SEM images. SEM and an optical microscope were used to follow morphological change. By simply changing the mixing procedure, the hydrophilic silica nanoparticles were able to perform the role of a morphology modifier successfully without modifying the surface characteristics. The mechanical properties and crystallization behavior were also compared depending on the surface characteristics of the silica nanoparticles and their final localization.
URI
https://onlinelibrary.wiley.com/doi/10.1002/pen.25387https://repository.hanyang.ac.kr/handle/20.500.11754/165846
ISSN
0032-3888; 1548-2634
DOI
10.1002/pen.25387
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ORGANIC AND NANO ENGINEERING(유기나노공학과) > Articles
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