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The impact of the polycaprolactone content on the properties of polyurethane networks

Authorized Users Only
2023
Authors
Stefanović, Ivan
Džunuzović, Jasna
Džunuzović, Enis
Stevanović, Sanja
Dapčević, Aleksandra
Savić, Sanja
Giuseppe, Lama
Article (Published version)
,
Elsevier
Metadata
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Abstract
The influence of soft segment (SS) content on the properties of novel polyurethane networks (PUNs), prepared by a two-step polymerization in a solvent mixture, was investigated in this work. Hyperbranched polyester of the third pseudo generation (BH-30) was used as a crosslinker, and together with isophorone diisocyanate (IPDI) was applied to build hard segments (HS) in PUNs. On the other hand, SS of the prepared PUNs are based on polycaprolactone (PCL). The content of SS in PUNs varied from 10 to 50 wt%. The structural, thermal and mechanical properties, swelling behavior, as well as morphology of PUNs, were explored by various experimental methods. Performed investigations have shown that the use of BH-30 led to the emergence of relatively high crosslinking density and good mechanical properties, and that all features of PUNs significantly depend on the SS content. Higher PCL content caused presence of certain crystallinity, better thermal stability, more pronounced microphase separa...ted morphology, but also lower degree of hydrogen bonding, crosslinking density and storage modulus of the prepared PUNs. The obtained results have shown that the properties of PUNs can be easily varied and customized to different practical needs.

Keywords:
Polyurethane network / Polycaprolactone / Hyperbranched polyester / Thermomechanical properties / Microphase separation / Swelling behavior
Source:
Materials Today Communications, 2023, 35, 105721-
Publisher:
  • Elsevier
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)

DOI: 10.1016/j.mtcomm.2023.105721

ISSN: 2352-4928

Scopus: 2-s2.0-85149175985
[ Google Scholar ]
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/6119
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - JOUR
AU  - Stefanović, Ivan
AU  - Džunuzović, Jasna
AU  - Džunuzović, Enis
AU  - Stevanović, Sanja
AU  - Dapčević, Aleksandra
AU  - Savić, Sanja
AU  - Giuseppe, Lama
PY  - 2023
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/6119
AB  - The influence of soft segment (SS) content on the properties of novel polyurethane networks (PUNs), prepared by a two-step polymerization in a solvent mixture, was investigated in this work. Hyperbranched polyester of the third pseudo generation (BH-30) was used as a crosslinker, and together with isophorone diisocyanate (IPDI) was applied to build hard segments (HS) in PUNs. On the other hand, SS of the prepared PUNs are based on polycaprolactone (PCL). The content of SS in PUNs varied from 10 to 50 wt%. The structural, thermal and mechanical properties, swelling behavior, as well as morphology of PUNs, were explored by various experimental methods. Performed investigations have shown that the use of BH-30 led to the emergence of relatively high crosslinking density and good mechanical properties, and that all features of PUNs significantly depend on the SS content. Higher PCL content caused presence of certain crystallinity, better thermal stability, more pronounced microphase separated morphology, but also lower degree of hydrogen bonding, crosslinking density and storage modulus of the prepared PUNs. The obtained results have shown that the properties of PUNs can be easily varied and customized to different practical needs.
PB  - Elsevier
T2  - Materials Today Communications
T1  - The impact of the polycaprolactone content on the properties of polyurethane networks
VL  - 35
SP  - 105721
DO  - 10.1016/j.mtcomm.2023.105721
ER  - 
@article{
author = "Stefanović, Ivan and Džunuzović, Jasna and Džunuzović, Enis and Stevanović, Sanja and Dapčević, Aleksandra and Savić, Sanja and Giuseppe, Lama",
year = "2023",
abstract = "The influence of soft segment (SS) content on the properties of novel polyurethane networks (PUNs), prepared by a two-step polymerization in a solvent mixture, was investigated in this work. Hyperbranched polyester of the third pseudo generation (BH-30) was used as a crosslinker, and together with isophorone diisocyanate (IPDI) was applied to build hard segments (HS) in PUNs. On the other hand, SS of the prepared PUNs are based on polycaprolactone (PCL). The content of SS in PUNs varied from 10 to 50 wt%. The structural, thermal and mechanical properties, swelling behavior, as well as morphology of PUNs, were explored by various experimental methods. Performed investigations have shown that the use of BH-30 led to the emergence of relatively high crosslinking density and good mechanical properties, and that all features of PUNs significantly depend on the SS content. Higher PCL content caused presence of certain crystallinity, better thermal stability, more pronounced microphase separated morphology, but also lower degree of hydrogen bonding, crosslinking density and storage modulus of the prepared PUNs. The obtained results have shown that the properties of PUNs can be easily varied and customized to different practical needs.",
publisher = "Elsevier",
journal = "Materials Today Communications",
title = "The impact of the polycaprolactone content on the properties of polyurethane networks",
volume = "35",
pages = "105721",
doi = "10.1016/j.mtcomm.2023.105721"
}
Stefanović, I., Džunuzović, J., Džunuzović, E., Stevanović, S., Dapčević, A., Savić, S.,& Giuseppe, L.. (2023). The impact of the polycaprolactone content on the properties of polyurethane networks. in Materials Today Communications
Elsevier., 35, 105721.
https://doi.org/10.1016/j.mtcomm.2023.105721
Stefanović I, Džunuzović J, Džunuzović E, Stevanović S, Dapčević A, Savić S, Giuseppe L. The impact of the polycaprolactone content on the properties of polyurethane networks. in Materials Today Communications. 2023;35:105721.
doi:10.1016/j.mtcomm.2023.105721 .
Stefanović, Ivan, Džunuzović, Jasna, Džunuzović, Enis, Stevanović, Sanja, Dapčević, Aleksandra, Savić, Sanja, Giuseppe, Lama, "The impact of the polycaprolactone content on the properties of polyurethane networks" in Materials Today Communications, 35 (2023):105721,
https://doi.org/10.1016/j.mtcomm.2023.105721 . .

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