2018
DOI: 10.1016/j.polymer.2018.05.037
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PLA-PEG-PLA tri-block copolymers: Effective compatibilizers for promotion of the interfacial structure and mechanical properties of PLA/PBAT blends

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Cited by 79 publications
(57 citation statements)
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“…Melt blending or compounding PLLA with different types of flexible polymers was one of the economic approaches to toughen PLLA . However, poly(ε‐caprolactone) (PCL) was a biodegradable aliphatic polyester with high flexibility and good biocompatibility and thermal stability, which had gained great attention as modifiers for PLLA, and the modifying results exhibited some improvements in the toughness of PLLA .…”
Section: Introductionmentioning
confidence: 99%
“…Melt blending or compounding PLLA with different types of flexible polymers was one of the economic approaches to toughen PLLA . However, poly(ε‐caprolactone) (PCL) was a biodegradable aliphatic polyester with high flexibility and good biocompatibility and thermal stability, which had gained great attention as modifiers for PLLA, and the modifying results exhibited some improvements in the toughness of PLLA .…”
Section: Introductionmentioning
confidence: 99%
“…The T g (MPBAT) of MSPT composites containing the PUP compatibilizer shifted toward a higher temperature compared with that of control (−21.53 °C) . A possible explanation was that PUP enhanced the interfacial adhesion between starch and MPBAT due to the physical crosslinking of polyethylene glycol adipate in PUP and poly‐1, 4‐butylene glycol adipate in MPBAT, as well as the chemical crosslinking of the PUP and starch. The T g (MPBAT) and Δ T g went through a maximum at the MSPT‐2 samples with increasing PUP addition.…”
Section: Resultsmentioning
confidence: 96%
“…The brittleness does hinder its applications ranging from packaging materials to medical implants . To improve the elongation at break and impact strength, various modifier polymers (e.g., rubber or other polymers with excellent flexibility) have been widely employed to blend with PLLA . The binary blend, however, always undergoes phase separation because of weak interfacial interaction and poor miscibility between PLLA and other polymers.…”
Section: Methodsmentioning
confidence: 99%
“…Therefore, compatibilizers have been introduced to the blend system . For instance, Ding and his co‐workers synthesized a polylactic‐polyethylene glycol‐polylactic (PLA‐PEG‐PLA) tri‐block copolymer to improve compatibility between polylactic acid (PLA) and poly(butylene adipate‐co‐terephthalate) (PBAT) . The results indicated that typical sea‐island structures changed to co‐continuous structures.…”
Section: Methodsmentioning
confidence: 99%