DOX mediated synthesis of PLA-co-PS graft copolymers with matrix-driven self-assembly in PLA-based blends

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Fältnamn	Indikatorer	Metadata
000		03194naa a2200565 4500
001		oai:DiVA.org:kth-322573
003		SwePub
008		221222s2022 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3225732 URI
024	7	a https://doi.org/10.1016/j.eurpolymj.2022.1111572 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Gazzotti, Stefanou KTH,Fiber- och polymerteknologi4 aut0 (Swepub:kth)u1clw2jr
245	1 0	a DOX mediated synthesis of PLA-co-PS graft copolymers with matrix-driven self-assembly in PLA-based blends
264	1	b Elsevier BV,c 2022
338		a print2 rdacarrier
500		a QC 20230612
520		a Intriguing phase morphology was formed through self-assembly of polylactide-polystyrene (PLA-co-PS) graft copolymers blended with polylactide (PLA). PLA-co-PS graft copolymers were synthesized by exploiting a styrene-functionalized 1,3-Dioxolan-4-one (StyDOX) monomer through a two-step procedure and their structure was confirmed. Different amounts of PLA-co-PS and commercial PLA were solution cast to blend films. Etching of amorphous PLA revealed the presence of spherical micrometer sized domains dispersed within the films, arising from the self-assembly behavior of PLA-co-PS caused by the immiscibility of PS-grafts in the PLA matrix. EDS and IR imaging analyses further revealed that these microspheres were characterized by a PS-rich core opposed to the PLA-rich outer shell, which is expected to be miscible and able to form favorable interactions with the PLA matrix. PLA/PS blends were also prepared with different loadings of PLA-co-PS. The ability of PLA-co-PS to compatibilize the two phases was assessed through rheological analyses. Finally, the possibility to chemically recycle the copolymer was evaluated.
650	7	a NATURVETENSKAPx Kemix Polymerkemi0 (SwePub)104062 hsv//swe
650	7	a NATURAL SCIENCESx Chemical Sciencesx Polymer Chemistry0 (SwePub)104062 hsv//eng
653		a Blending
653		a Etching
653		a Graft copolymers
653		a Grafting (chemical)
653		a Infrared imaging
653		a Self assembly
653		a Styrene
653		a Blend films
653		a Functionalized
653		a Graft- copolymers
653		a matrix
653		a Phase morphology
653		a Poly lactide
653		a Self-assembly behaviors
653		a Solution-cast
653		a Synthesised
653		a Two-step procedure
653		a Polyesters
700	1	a Adolfsson, Karin H.u KTH,Fiber- och polymerteknologi4 aut0 (Swepub:kth)u1d4klhj
700	1	a Hakkarainen, Minnau KTH,Polymerteknologi4 aut0 (Swepub:kth)u14e229n
700	1	a Farina, H.4 aut
700	1	a Silvani, A.4 aut
700	1	a Ortenzi, M. A.4 aut
710	2	a KTHb Fiber- och polymerteknologi4 org
773	0	t European Polymer Journald : Elsevier BVg 170, s. 111157-q 170<111157-x 0014-3057x 1873-1945
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-322573
856	4 8	u https://doi.org/10.1016/j.eurpolymj.2022.111157

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Av författaren/redakt...: Gazzotti, Stefan ...; Adolfsson, Karin ...; Hakkarainen, Min ...; Farina, H.; Silvani, A.; Ortenzi, M. A.

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