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Influence of reprocessing cycles on mechanical and antibacterial performances of hygienic in situ compatibilized PBS/PLA blends doped with HPQM

journal contribution
posted on 21.06.2021, 10:10 by Panupong Srimalanon, Nacho Martin-Fabiani-CarratoNacho Martin-Fabiani-Carrato, Benjaphorn Prapagdee, Teerasak Markpin, Ekachai Wimolmala, Narongrit Sombatsompop
A spontaneous combination of hygienic in situ compatibilized polybutylene succinate/polylactic acids (PBS/PLA) was formulated through the addition of optimum dosages of dicumyl peroxide (DCP), which was a fundamental motivator, and 2-hydroxypropyl-3-piperazinyl-quinoline carboxylic acid methacrylate (HPQM) as an antibacterial agent via a melt blending process. The effect of reprocessing the mechanical and natural attributes, as well as the hygienic effectiveness to counter the Escherichia coli of the PBS/PLA combinations were explored. The outcomes demonstrated that varying processing cycles affected the rupture performance of the PBS/PLA blends. Furthermore, the toughness of the PBS/PLA blends rose as the number of cycles escalated. Three processing cycles exhibited the highest elongation at the break and tensile toughness, while the number of processing cycles did not have any major negative impact on the tensile modulus and strength. For the effect of the number of the processing cycles of the hygienic effectiveness against the E. coli on the PBS/PLA blends doped with HPQM, the percentages of bacterial reduction appeared to rise as the contact time was increased, but decreased with the increasing number of cycles. The study suggested that the PBS/PLA blends could be reprocessed up to three times and still retain their optimal properties.

Funding

Thailand Science Research and Innovation (TSRI) under the Directed Basic Research Grant (DBG6280004)

Royal Golden Jubilee PhD Programme (PHD/0053/2558)

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Materials

Published in

Journal of Material Cycles and Waste Management

Volume

23

Issue

5

Pages

1893-1904

Publisher

Springer

Version

AM (Accepted Manuscript)

Rights holder

© Springer Japan KK, part of Springer Nature

Publisher statement

This is a post-peer-review, pre-copyedit version of an article published in Journal of Material Cycles and Waste Management. The final authenticated version is available online at: https://doi.org/10.1007/s10163-021-01259-8.

Acceptance date

08/06/2021

Publication date

2021-06-14

Copyright date

2021

ISSN

1438-4957

eISSN

1611-8227

Language

en

Depositor

Dr Nacho Martin-Fabiani Carrato. Deposit date: 19 June 2021