Melt stability of 8-arms star-shaped stereocomplex polylactide with three-dimensional core structures

Purba Purnama; Youngmee Jung; Soo Hyun Kim

doi:10.1016/j.polymdegradstab.2013.02.010

Melt stability of 8-arms star-shaped stereocomplex polylactide with three-dimensional core structures

Purba Purnama, Youngmee Jung, Soo Hyun Kim

KU-KIST Graduate School of Converging Science and Technology

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

The melt stability of star-shaped stereocomplex polylactide with different core structure by tripentaerythritol (TPE) and polyhedral oligomeric silsesquioxane-octahydroxypropyldimethylsilyl (POSS(OH)₈) compounds was investigated. The three-dimensional (3D) core structures affect the ability of star-shaped stereocomplex polylactide to preserve stereocomplex crystallite after melted. The exact position and proper space distribution of arm result in low chain freedom of itself which affects the ability of each arm to reassemble stereocomplex crystallites after melted. The result confirmed that the inorganic POSS(OH)₈ core molecule has better support to maintain melt stability compare to TPE core.

Original language	English
Pages (from-to)	1097-1101
Number of pages	5
Journal	Polymer Degradation and Stability
Volume	98
Issue number	5
DOIs	https://doi.org/10.1016/j.polymdegradstab.2013.02.010
Publication status	Published - 2013 May

Keywords

Melt stability
Polylactide
Star polymers
Stereocomplex
Structure

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Polymers and Plastics
Materials Chemistry

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10.1016/j.polymdegradstab.2013.02.010

Cite this

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title = "Melt stability of 8-arms star-shaped stereocomplex polylactide with three-dimensional core structures",

abstract = "The melt stability of star-shaped stereocomplex polylactide with different core structure by tripentaerythritol (TPE) and polyhedral oligomeric silsesquioxane-octahydroxypropyldimethylsilyl (POSS(OH)8) compounds was investigated. The three-dimensional (3D) core structures affect the ability of star-shaped stereocomplex polylactide to preserve stereocomplex crystallite after melted. The exact position and proper space distribution of arm result in low chain freedom of itself which affects the ability of each arm to reassemble stereocomplex crystallites after melted. The result confirmed that the inorganic POSS(OH)8 core molecule has better support to maintain melt stability compare to TPE core.",

keywords = "Melt stability, Polylactide, Star polymers, Stereocomplex, Structure",

author = "Purba Purnama and Youngmee Jung and Kim, {Soo Hyun}",

note = "Funding Information: This study was supported by the National Research Foundation of Korea Grant funded by the Korea Government (MEST), NRF-2010-C1AAA001-0028939 . ",

year = "2013",

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doi = "10.1016/j.polymdegradstab.2013.02.010",

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journal = "Polymer Degradation and Stability",

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T1 - Melt stability of 8-arms star-shaped stereocomplex polylactide with three-dimensional core structures

AU - Purnama, Purba

AU - Jung, Youngmee

AU - Kim, Soo Hyun

N1 - Funding Information: This study was supported by the National Research Foundation of Korea Grant funded by the Korea Government (MEST), NRF-2010-C1AAA001-0028939 .

PY - 2013/5

Y1 - 2013/5

N2 - The melt stability of star-shaped stereocomplex polylactide with different core structure by tripentaerythritol (TPE) and polyhedral oligomeric silsesquioxane-octahydroxypropyldimethylsilyl (POSS(OH)8) compounds was investigated. The three-dimensional (3D) core structures affect the ability of star-shaped stereocomplex polylactide to preserve stereocomplex crystallite after melted. The exact position and proper space distribution of arm result in low chain freedom of itself which affects the ability of each arm to reassemble stereocomplex crystallites after melted. The result confirmed that the inorganic POSS(OH)8 core molecule has better support to maintain melt stability compare to TPE core.

AB - The melt stability of star-shaped stereocomplex polylactide with different core structure by tripentaerythritol (TPE) and polyhedral oligomeric silsesquioxane-octahydroxypropyldimethylsilyl (POSS(OH)8) compounds was investigated. The three-dimensional (3D) core structures affect the ability of star-shaped stereocomplex polylactide to preserve stereocomplex crystallite after melted. The exact position and proper space distribution of arm result in low chain freedom of itself which affects the ability of each arm to reassemble stereocomplex crystallites after melted. The result confirmed that the inorganic POSS(OH)8 core molecule has better support to maintain melt stability compare to TPE core.

KW - Melt stability

KW - Polylactide

KW - Star polymers

KW - Stereocomplex

KW - Structure

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U2 - 10.1016/j.polymdegradstab.2013.02.010

DO - 10.1016/j.polymdegradstab.2013.02.010

M3 - Article

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SN - 0141-3910

VL - 98

SP - 1097

EP - 1101

JO - Polymer Degradation and Stability

JF - Polymer Degradation and Stability

IS - 5

ER -

Melt stability of 8-arms star-shaped stereocomplex polylactide with three-dimensional core structures

Abstract

Keywords

ASJC Scopus subject areas

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