Malvern Instruments

Analytical Solutions for Manufacturing Productivity

Analysing Polymer Degradation using GPC / SEC Methodology

Malvern Instruments

The effects of processing a polymer has on its molecular weight, molecular weight distribution, and solution viscosity are important for chemical industry manufacturers to understand if they are to fully optimise their operations.

Knowing whether a recycled or reground polymer will still fall within specifications can save time and money, while knowing what the polymer characteristics are at end use can help avoid failures and improve specifications.

This document describes the Gel Permeation Chromatography (GPC), or equivalently Size Exclusion Chromatography (SEC), analysis of the degradation of poly(lactic acid) (PLA).

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