PMID- 34451210
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20210831
IS  - 2073-4360 (Electronic)
IS  - 2073-4360 (Linking)
VI  - 13
IP  - 16
DP  - 2021 Aug 10
TI  - Optimization of Reactive Diluent for Bio-Based Unsaturated Polyester Resin: A 
      Rheological and Thermomechanical Study.
LID - 10.3390/polym13162667 [doi]
LID - 2667
AB  - Nowadays, unsaturated polyester resins (UPR) are mainly obtained from 
      non-renewable resources. The ever-increasing regulations and the continuous 
      demand for more sustainability have led to extensive research towards more 
      environmentally suitable alternatives to petroleum-based materials. However, one 
      of the main disadvantages of bio-based UPR is their relatively high viscosity 
      compared to petrochemical ones. In order to overcome this drawback, in this work, 
      we investigated the possibility to lower the resin viscosity utilizing a mixture 
      of dimethyl itaconate (DMI) and methyl methacrylate (MMA) as a reactive diluent. 
      The effect of the DMI and MMA ratio on resin rheological properties was 
      investigated. The optimal curing parameters were determined and all UPRs had a 
      high gel content, which was shown to be dependent on the DMI and MMA ratio in the 
      formulation. Furthermore, thermomechanical and mechanical properties of the 
      resulting network were also found to be affected by the used reactive diluent 
      mixture. A small substitution of DMI by MMA proved to be advantageous since it 
      offers lower resin viscosity and improved mechanical properties.
FAU - Spasojevic, Pavle
AU  - Spasojevic P
AUID- ORCID: 0000-0001-8903-2102
AD  - Faculty of Technical Sciences, University of Kragujevac, Svetog Save 65, 32000 
      Cacak, Serbia.
FAU - Seslija, Sanja
AU  - Seslija S
AD  - Institute of Chemistry, Technology and Metallurgy, Center of Excellence in 
      Environmental Chemistry and Engineering, University of Belgrade, Njegoseva 12, 
      11000 Belgrade, Serbia.
FAU - Markovic, Maja
AU  - Markovic M
AUID- ORCID: 0000-0002-8466-8539
AD  - Innovation Center of Faculty of Technology and Metallurgy, University of 
      Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
FAU - Pantic, Olga
AU  - Pantic O
AUID- ORCID: 0000-0003-4667-2585
AD  - Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 
      11000 Belgrade, Serbia.
FAU - Antic, Katarina
AU  - Antic K
AD  - Innovation Center of Faculty of Technology and Metallurgy, University of 
      Belgrade, Karnegijeva 4, 11000 Belgrade, Serbia.
FAU - Spasojevic, Milica
AU  - Spasojevic M
AD  - Innovative Centre of Faculty of Chemistry, University of Belgrade, Studentski Trg 
      12-16, 11000 Belgrade, Serbia.
LA  - eng
GR  - PROMIS, #6062612, POLYGREEN/Science Fund of the Republic of Serbia/
GR  - Contracts No. 451-03-9/2021-14/200026, 451-03-9/2021-14/200287/Ministry of 
      Education, Science and Technological Development of the Republic of Serbia/
PT  - Journal Article
DEP - 20210810
PL  - Switzerland
TA  - Polymers (Basel)
JT  - Polymers
JID - 101545357
PMC - PMC8399482
OTO - NOTNLM
OT  - dimethyl itaconate
OT  - methyl methacrylate
OT  - rheological properties
OT  - unsaturated polyester resins
COIS- The authors declare no conflict of interest.
EDAT- 2021/08/29 06:00
MHDA- 2021/08/29 06:01
PMCR- 2021/08/10
CRDT- 2021/08/28 01:03
PHST- 2021/06/22 00:00 [received]
PHST- 2021/08/05 00:00 [revised]
PHST- 2021/08/06 00:00 [accepted]
PHST- 2021/08/28 01:03 [entrez]
PHST- 2021/08/29 06:00 [pubmed]
PHST- 2021/08/29 06:01 [medline]
PHST- 2021/08/10 00:00 [pmc-release]
AID - polym13162667 [pii]
AID - polymers-13-02667 [pii]
AID - 10.3390/polym13162667 [doi]
PST - epublish
SO  - Polymers (Basel). 2021 Aug 10;13(16):2667. doi: 10.3390/polym13162667.