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http://dx.doi.org/10.5322/JESI.2015.24.1.9

Study on Phase Separation of Carbon Dioxide-reducible Polymer Blends  

Cho, Yong-Kwang (Department of Polymer Engineering, Pukyong National University)
Kim, Yeong-Woo (Department of Polymer Engineering, Pukyong National University)
Lee, Hak Yong (Department of Polymer Engineering, Pukyong National University)
Park, Sang-Bo (Department of Polymer Engineering, Pukyong National University)
Park, Chan-Young (Department of Polymer Engineering, Pukyong National University)
Lee, Won-Ki (Department of Polymer Engineering, Pukyong National University)
Publication Information
Journal of Environmental Science International / v.24, no.1, 2015 , pp. 9-15 More about this Journal
Abstract
Sustainable and eco-friendly polymers, natural polymers, bio-based polymers, and degradable polyesters, are of growing interest because of environmental concerns associated with waste plastics and emissions of carbon dioxide from preparation of petroleum-based polymers. Degradable polymers, poly(butylene adipate-co-terephthalate) (PBAT), poly(propylene carbonate) (PPC), and poly(L-lactic acid) (PLLA), are related to reduction of carbon dioxide in processing. To improve a weak mechanical property of a degradable polymer, a blending method is widely used. This study was forced on the component separation of degradable polymer blends for effective recycling. The melt-mixed blend films in a specific solvent were separated by two layers. Each layer was analysed by FT-IR, DSC, and contact angle measurements. The results showed that each component in the PPC/PLLA and PPC/PBAT blends was successfully separated by a solvent.
Keywords
Carbon dioxide; Degradable polyesters; Blending method; Component separation; Recycling;
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Times Cited By KSCI : 12  (Citation Analysis)
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