Articles with "polymerization caprolactone" as a keyword



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Polymerization of ε-Caprolactone Using Bis(phenoxy)-amine Aluminum Complex: Deactivation by Lactide.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01364

Abstract: Polymerizations of biodegradable lactide and lactones have been the subjects of intense research during the past decade. They can be polymerized/copolymerized effectively by several catalyst systems. With bis(phenolate)-amine aluminum complex, we have shown for the… read more here.

Keywords: aluminum; polymerization caprolactone; aluminum complex; amine aluminum ... See more keywords
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Morpholine-Stabilized Cationic Aluminum Complexes and Their Reactivity in Ring-Opening Polymerization of ε-Caprolactone.

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Published in 2019 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.9b00347

Abstract: The first structures exhibiting bidentate (N, O) chelation of a morpholine group to a p-block element (aluminum) have been prepared and characterized by X-ray diffraction methods: Al[L]+ [WCA]-, where [L] = 4-(2-aminoethyl)morpholinylamino- N, N-bis(2-methylene-4,6- tert-butylphenolate)… read more here.

Keywords: group; spectroscopy; aluminum; morpholine ... See more keywords
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Ring-Opening Polymerization of ε-Caprolactone Initiated by Multinuclear Aluminum Methanetris(aryloxido) Complexes

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Published in 2019 at "Organometallics"

DOI: 10.1021/acs.organomet.9b00540

Abstract: Dinuclear aluminum complexes (2a-/2b-THF) supported by a methanetris(aryloxide) were synthesized by dealuminumation of the corresponding trinuclear aluminum complexes (1a and 1b) in THF solvent. Tr... read more here.

Keywords: caprolactone initiated; ring opening; opening polymerization; aluminum ... See more keywords
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Investigation of the dinuclear effect of aluminum complexes in the ring-opening polymerization of ε-caprolactone

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Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra02136d

Abstract: A series of aluminum (Al) complexes bearing hydrazine-bridging Schiff base and salen ligands were synthesized and investigated as catalysts for the ring-opening polymerization of e-caprolactone (CL). The introduction of steric bulky groups increases the catalytic… read more here.

Keywords: ring opening; opening polymerization; aluminum complexes; aluminum ... See more keywords
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Anionic Ring Opening Polymerization of ε-Caprolactone Initiated by Lithium Silanolates

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Published in 2017 at "Australian Journal of Chemistry"

DOI: 10.1071/ch16270

Abstract: Ring-opening homo- and co-polymerization reactions of ϵ-caprolactone were performed by employing anionic polymerization (high vacuum techniques) and lithium silanolates (LS) as initiators. LS were obtained by reaction between hexamethyl(cyclotrisiloxane) and sec-Bu–Li+, or from living poly(dimethylsiloxanyl)lithium… read more here.

Keywords: ring opening; polymerization; opening polymerization; polymerization caprolactone ... See more keywords
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Bis[μ-bis(2,6-diisopropylphenyl) phosphato-κ2 O:O′]bis[(2,2′-bipyridine-κ2 N,N′)lithium] toluene disolvate and its catalytic activity in ring-opening polymerization of ∊-caprolactone and l-dilactide

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Published in 2019 at "Acta Crystallographica Section E: Crystallographic Communications"

DOI: 10.1107/s2056989019006960

Abstract: The solvated centrosymmmtric title compound, [Li2(C24H34O4P)2(C10H8N2)2]·2C7H8, was formed in the reaction between {Li[(2,6-iPr2C6H3-O)2POO](MeOH)3}(MeOH) and 2,2′-bipyridine (bipy) in toluene. The diaryl phosphate ligand demonstrates a μ-κO:κO′-bridging coordination mode and the 2,2′-bipyridine ligand is chelating to the… read more here.

Keywords: activity ring; bipyridine; opening polymerization; bis ... See more keywords