PMID- 37177376 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20230515 IS - 2073-4360 (Electronic) IS - 2073-4360 (Linking) VI - 15 IP - 9 DP - 2023 May 8 TI - Investigation of the Effects of Chain Extender on Material Properties of PLA/PCL and PLA/PEG Blends: Comparative Study between Polycaprolactone and Polyethylene Glycol. LID - 10.3390/polym15092230 [doi] LID - 2230 AB - This study investigated the effect of the Joncryl concentration on the properties of polylactide/poly(epsilon-caprolactone) (PLA/PCL) and PLA/poly(ethylene glycol) (PEG) blends. The addition of Joncryl influenced the properties of both PLA-based blends. In the blend of PLA/PCL blends, the addition of Joncryl reduced the size of PCL droplets, which implies the compatibility of the two phases, while PLA/PEG blends showed a co-continuous type of morphology at 0.1% and 0.3 wt.% of Joncryl loading. The crystallinity of PCL and PEG was studied on both PLA/PCL and PLA/PEG blend systems. In both scenarios, the crystallinity of the blends decreased upon the addition of Joncryl. Thermal stabilities were shown to depend on the addition of Joncryl. The toughness increased when 0.5 wt.% of Joncryl was added to both systems. However, the stiffness of PLA/PCL decreased, while the stiffness of PLA/PEG increased with the increasing concentration of Joncryl. This study provides new insight into the effect of chain extenders on the compatibility of PLA-based blends. FAU - Matumba, Karabo Innocent AU - Matumba KI AUID- ORCID: 0000-0002-7283-2856 AD - Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa. AD - Institute of NanoEngineering Research, Department of Chemical, Metallurgical and Materials Engineering (Polymer Division), Tshwane University of Technology, Pretoria 0001, South Africa. FAU - Motloung, Mpho Phillip AU - Motloung MP AD - Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa. AD - Department of Chemical Sciences, University of Johannesburg, Johannesburg 2028, South Africa. FAU - Ojijo, Vincent AU - Ojijo V AD - Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa. FAU - Ray, Suprakas Sinha AU - Ray SS AUID- ORCID: 0000-0002-0007-2595 AD - Centre for Nanostructures and Advanced Materials, DSI-CSIR Nanotechnology Innovation Centre, Council for Scientific and Industrial Research, Pretoria 0001, South Africa. AD - Department of Chemical Sciences, University of Johannesburg, Johannesburg 2028, South Africa. FAU - Sadiku, Emmanuel Rotimi AU - Sadiku ER AUID- ORCID: 0000-0002-8504-1041 AD - Institute of NanoEngineering Research, Department of Chemical, Metallurgical and Materials Engineering (Polymer Division), Tshwane University of Technology, Pretoria 0001, South Africa. LA - eng GR - C6ACH20/Department of Science and Innovation/ GR - 086ADMIN/Council for Scientific and Industrial Research/ GR - L587/Tshwane University of Technology/ PT - Journal Article DEP - 20230508 PL - Switzerland TA - Polymers (Basel) JT - Polymers JID - 101545357 PMC - PMC10181129 OTO - NOTNLM OT - PCL OT - PEG OT - PLA OT - blends OT - chain extender OT - mechanical properties OT - morphology COIS- The authors declare no conflict of interest. EDAT- 2023/05/13 15:13 MHDA- 2023/05/13 15:14 PMCR- 2023/05/08 CRDT- 2023/05/13 01:38 PHST- 2023/02/17 00:00 [received] PHST- 2023/04/30 00:00 [revised] PHST- 2023/05/04 00:00 [accepted] PHST- 2023/05/13 15:14 [medline] PHST- 2023/05/13 15:13 [pubmed] PHST- 2023/05/13 01:38 [entrez] PHST- 2023/05/08 00:00 [pmc-release] AID - polym15092230 [pii] AID - polymers-15-02230 [pii] AID - 10.3390/polym15092230 [doi] PST - epublish SO - Polymers (Basel). 2023 May 8;15(9):2230. doi: 10.3390/polym15092230.