Triblock copolymers of PLLA-PEG-PLLA for nerve guidance channel scaffolds via 3D printing

Wu, Wei

doi:10.17760/d20260379

Cited by 1 publication

(1 citation statement)

References 14 publications

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“…Baimark et al [ 34 ] and Wu et al [ 28 ] showed similar patterns for PLLA-b-poly(ethylene glycol)-b-PLLA (PLLA-PEG-PLLA) block copolymers synthesized by polymerization of PLA with ring-opening and chain extender based on epoxy resin. In his work, Wu synthesized triblock copolymers of PEG (block B) type ABA in combination with PLLA (blocks A) with different molecular weights of PEG and different degrees of polymerization of PLLA [ 35 ]. The works showed the positive effect of the chain extender on the plasticization of PLA, so PLLA-PEG-PLLA samples with an extended chain did not have phase separation.…”

Section: Copolymerization With Flexible Polymersmentioning

confidence: 99%

Recent Approaches to the Plasticization of Poly(lactic Acid) (PLA) (A Review)

Mastalygina,

Aleksanyan

2023

Polymers

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Poly(lactic acid) (PLA) is a polyester attracting growing interest every year in different application fields, such as packaging, cosmetics, food, medicine, etc. Despite its significant advantages, it has low elasticity that may hinder further development and a corresponding rise in volume of consumption. This review opens a discussion of basic approaches to PLA plasticization. These considerations include copolymerization and blending with flexible polymers, introducing oligomers and low-molecular additives, as well as structural modification. It was demonstrated that each approach has its advantages, such as simplicity and low cost, but with disadvantages, including complex processing and the need for additional reagents. According to the analysis of different approaches, it was concluded that the optimal option is the application of copolymers as the additives obtained via reactive mixing to PLA and its blends with other polymers.

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Section: Copolymerization With Flexible Polymersmentioning

confidence: 99%