Characterization of polymers

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Overview

TF3 with MALS and viscometer – comprehensive two-dimensional polymer separation with advanced detection
Thermal field-flow fractionation (TF3) is a powerful technique for the separation of large or complex polymer samples. When used in conjunction with advanced detection systems such as multi angle light scattering (MALS) and viscosity, it is an indispensable tool to gain deeper insight into the nature of these complex polymer samples.

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Separation, characterization and fractionation of nearly any macromolecules or nanoparticles
The Postnova modular FFF platform can be configured for any single or combination of several of the five FFF subtechniques - Asymmetric Flow FFF (AF4), Hollow-Fibre Flow FFF (HF5), Electrical FFF (EAF4), Centrifugal FFF CF3) and Thermal FFF (TF3). Because of this flexibility, it can be used for the separation, characterization and fractionation of nearly any macromolecules or nanoparticles. The Postnova platform can be also configurated for Size Exclusion Chromatography (SEC or GPC). You can easily switch from FFF to SEC and vice versa. The NovaFFF software takes care of control, data acquisition and calculation.

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Postnova AF2000 MT mid temperature MultiFlow FFF system
The system can be configured for Asymmetric Flow Field-Flow Factionation (AF4), Hollow Fiber Flow Field-Flow Factionation (HF5) and Size Exclusion Chromatography (SEC).

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Postnova TF2000 Thermal FFF system
The system can separate simultaneously polymers and particles without the limitations associated with GPC/SEC. The separation takes place according to molecular weight AND chemical composition, thus making the TF2000 Series the ideal choice for difficult polymer separation.

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Postnova 21-angle MALS detector - the ideal detector for ultra-high molar mass
The Postnova 21-angle MALS detector has been especially developed for coupling with FFF systems – to the opposite of previously available MALS detectors which were designed with chromatography (SEC/GPC) in mind, that is for smaller molar mass.

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Microscopic ATR measurement of thin polyimide film on silicon substrates
This application note shows an example of measuring a thin polyimide film on a silicon substrate using the micro-ATR method.

High-clarity observation ATR accessory
The ATR Pro ONE View uses the latest high-throughput diamond prism for sample measurement and observation directly through the prism. Wide area and high-definition viewing are achieved using a combination of a unique illumination method and survey optics. The observed image is combined with spectral data and collected automatically. The ATR Pro ONE View system uses the simplicity of ATR to measure very small samples with detailed observation for accurate sample positioning with a permanent record of the measurement location.

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Application notes