Towards a greener way to modify polysulfone: Solvent-free grafting of maleic anhydride in the presence of dicumyl peroxide initiator

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Author list: Homjun A., Chinpa W., Qu้mener D., Jiraratananon R., Deratani A.

Publisher: American Scientific Publishers

Publication year: 2013

Journal: Advanced Science Letters (1936-6612)

Volume number: 19

Issue number: 1

Start page: 316

End page: 319

Number of pages: 4

ISSN: 1936-6612

eISSN: 1936-7317

URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84876865028&doi=10.1166%2fasl.2013.4689&partnerID=40&md5=4aeec296c29fbd217f7e07c7263a2bfb

Languages: English-Great Britain (EN-GB)

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Abstract

Polysulfone (PSf) was functionalized via a sustainable way by grafting maleic anhydride (MAH) in the presence of dicumyl peroxide (DCP) without organic solvent medium. Influences of MAH and DCP content and reaction temperature and time on grafting degree were investigated. The degree of grafting (GD) was estimated by Fourier Transform Infra pectroscopy (FTIR). The GD was found to increase up to a maximum value and then to decrease with an increase in MAH and DCP content. The results also demonstrated that an increase in reaction time and tempera ure causes an increase in the GD. By Differential Scanning Calorimetry (DSC) analysis, it was found that the glass transition temperature (Tg) of grafted PSf was lower than that of pure PSf. ฉ 2013 American Scientific Publishers All rights reserved.

Keywords

Maleic anhydride, Polysulfone