Details der Publikation - SalenCr Catalyst Immobilized on Amino-Functionalized Cellulose for the Copolymerization of $ SO

SalenCr Catalyst Immobilized on Amino-Functionalized Cellulose for the Copolymerization of $ SO_{2} $ with Cyclohexene Oxide

In this work, by loading a chromium Salen complex on amino-functionalized cellulose (AFC-SalenCr), a novel and efficient heterogeneous catalyst was successfully synthesized, and used for the copolymerization of sulfur dioxide ($ SO_{2} $) with cyclohexene oxide for the first time. The catalysts were characterized by FTIR, XPS, ICP-MS and TGA for their physiochemical and thermal properties. The as-prepared AFC-SalenCr showed high catalytic activity for the copolymerization. Under optimal reaction conditions, the molecular weight of the resultant copolymer could reach 40,100 g/mol. Moreover, the catalyst was able to recover facilely and be reused for four cycles without any significant activity loss. In addition, the thermal degradation kinetics of the synthesized copolymer was further studied using Kissinger and Flynn–Wall–Ozawa methods for the first time, which indicated that the activation energy of the thermal degradation was 92.8 kJ/mol and 94.0 kJ/mol, respectively. Graphical Abstract.

Medienart:	E-Artikel

Erscheinungsjahr:	2022
Erschienen:	2022

Enthalten in:	Zur Gesamtaufnahme - volume:153
Enthalten in:	Catalysis letters - 153(2022), 1 vom: 19. März, Seite 248-259

Sprache:	Englisch

Beteiligte Personen:	Liu, Yi [VerfasserIn] Chen, Ying [VerfasserIn] Zhi, Yunfei [VerfasserIn] Yu, Xiaojian [VerfasserIn] Wang, Pengfei [VerfasserIn] Wang, Shouhong [VerfasserIn] Shan, Shaoyun [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

BKL:	35.17$jKatalyse
Themen:	Amino-functionalized cellulose Chromium Salen complex Copolymerization Sulfur dioxide Thermal degradation kinetics

Anmerkungen:	© The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022

doi:	10.1007/s10562-022-03940-5

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2133239650

Internformat


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520			\|a In this work, by loading a chromium Salen complex on amino-functionalized cellulose (AFC-SalenCr), a novel and efficient heterogeneous catalyst was successfully synthesized, and used for the copolymerization of sulfur dioxide ($ SO_{2} $) with cyclohexene oxide for the first time. The catalysts were characterized by FTIR, XPS, ICP-MS and TGA for their physiochemical and thermal properties. The as-prepared AFC-SalenCr showed high catalytic activity for the copolymerization. Under optimal reaction conditions, the molecular weight of the resultant copolymer could reach 40,100 g/mol. Moreover, the catalyst was able to recover facilely and be reused for four cycles without any significant activity loss. In addition, the thermal degradation kinetics of the synthesized copolymer was further studied using Kissinger and Flynn–Wall–Ozawa methods for the first time, which indicated that the activation energy of the thermal degradation was 92.8 kJ/mol and 94.0 kJ/mol, respectively. Graphical Abstract
650		4	\|a Amino-functionalized cellulose
650		4	\|a Chromium Salen complex
650		4	\|a Sulfur dioxide
650		4	\|a Copolymerization
650		4	\|a Thermal degradation kinetics
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700	1		\|a Shan, Shaoyun \|4 aut
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SalenCr Catalyst Immobilized on Amino-Functionalized Cellulose for the Copolymerization of $ SO_{2} $ with Cyclohexene Oxide

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