Bio-based poly(pentamethylene sebacamide) by solid-state polymerization from bio-based monomers

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Solid-state polymerization (SSP) of biobased monomers, biocadaverine and biosebacic acid was carried out for large-scale synthesis of bio-PA510 as an ecofriendly bioplastic having low water absorption and high oxygen barrier properties. The polymers obtained via SSP for 5 hours at 190 degrees C in vacuo exhibited a relative viscosity (RV) of 3.1 for particles with a size of 1.0-1.7 mm. The SSP of bio-PA510 developed in this study circumvents the problems encountered when scaling up conventional melt polymerization methods, such as polymer discoloring and discharging. Interestingly, bio-PA510 exhibits low water absorption (0.18%) and low oxygen permeability (1.47 cc mm m(-2) day) compared to other long chain polyamides such as poly(hexamethylene dodecanediamide) (PA612) (0.39%, 6.77 cc mm m(-2) day), which render bio-PA510 a promising candidate for food packaging applications.
Publisher
ROYAL SOC CHEMISTRY
Issue Date
2021-09
Language
English
Article Type
Article
Citation

GREEN CHEMISTRY, v.23, no.17, pp.6469 - 6479

ISSN
1463-9262
DOI
10.1039/d1gc01543e
URI
http://hdl.handle.net/10203/287792
Appears in Collection
CH-Journal Papers(저널논문)
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