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Malvern: Molecular and bulk characterization of PLA and PLGA samples using multi-detector GPC and rheometry

Published 12 October 2017 | By Malvern Instruments

Exploring the relationship between molecular characteristics and bulk rheological properties of biodegradable polymers

Poly(lactic acid) is a biodegradable polymer derived from natural resources (corn starch), that has received significant attention in recent years. It is one of the most prevalent biodegradable polymers in the market place due to availability, low cost of production, and when derived from natural sustainable sources it is a truly renewable polymer. PLA is often used as a copolymer with glycolic acid to form PLGA and is routinely used with varying compositions of lactic and glycolic acids. Being a versatile polymer, it is used in a wide variety of applications from additive manufacture (3D printing) to disposable cutlery, biodegradable sutures, drug delivery, or as biodegradable packaging.


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