期刊
GREEN CHEMISTRY
卷 23, 期 17, 页码 6469-6476出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1gc01543e
关键词
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资金
- Ministry of Trade, Industry & Energy (MOTIE, Republic of Korea)
- Korea Evaluation Institute of Industrial Technology (KEIT) [10047910]
- National Research Foundation (NRF) of Korea through N-LAB program [NRF-2021R1A4A1052070]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10047910] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Solid-state polymerization (SSP) of biobased monomers can be used for large-scale synthesis of ecofriendly bioplastic bio-PA510 with low water absorption and high oxygen barrier properties, making it a promising candidate for food packaging applications.
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.
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