Tag

molecular weight

Using 90° SLS to Determine Mw

On the limits of 90° static light scattering for determining weight average molar mass Mw A discussion with Chief Science Officer, Dr. Wayne Reed Technical Note 003 assesses the fractional error in Mw that results when θ=90° detection is used, instead of a full angular extrapolation via MALS.  
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Automatic Control of Polymer Composition and Mw

Fluence Analytics and its academic research partner Tulane PolyRMC collaborated on a peer review article for Polymer Journal which describes the achievement of fully automatic, simultaneous control of polymer composition and molecular weight trajectories during free radical copolymer synthesis. This was accomplished by coupling the continuous ACOMP data stream into a feedback controller which operated pumps for...
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Rapid Determination of Mw for a Monoclonal Antibody

Colloidal stability is determined by the balance of repulsive and attractive intermolecular interactions between protein molecules, like a monoclonal antibody, to conserve the native folded state. Simply stated, the propensity for aggregation is reduced by less intermolecular interaction. Therefore, determination of the second virial coefficient (B22) is a valuable screening tool to predict aggregation propensity....
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Automatic Synthesis of Multimodal Polymers

Fluence Analytics collaborated with its academic research partner Tulane PolyRMC on a peer review publication in Macromolecular Reaction Engineering. An automatic molecular weight controller is used in semi-batch reactions to produce final polymers that contain distinct subpopulations with different molecular weight distributions (MWD). While blending polymers with different MWD is frequently used to make multimodal polymer products,...
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Automatic Control of Polymer Molecular Weight during Synthesis

Fluence Analytics and its academic research partner Tulane PolyRMC collaborated on a peer review article for Macromolecules which discusses using ACOMP to automatically control polymer molecular weight during synthesis. The continuous record of monomer and polymer concentrations, Cm and Cp, and cumulative weight-average mass, Mw, furnished by automatic continuous online monitoring of polymerization reactions (ACOMP) has been harnessed...
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Real-time Analytics during PVP Polymerization

ACOMP was used to monitor the free radical polymerization of vinyl pyrrolidone using UV Absorption (UV), capillary viscometry and multi-angle light scattering (MALS). This technical note describes how ACOMP is used to monitor the polymerization of vinyl pyrrolidone under small changes in initiator concentrations.
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Introduction to ACOMP

ACOMP: The Automated System that allows Continuous Realtime Monitoring of Polymerization Reactions
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Automatic Control of Polymer Molecular Weight Results Presented at AIChE 2017 Spring Meeting

APMT Research Engineer Natalie Leonardi is making a presentation on Automatic Control of Polymer Molecular Weight during a Free Radical Polymerization at the 2017 AIChE Spring Meeting and 13th Global Congress on Process Safety. The Spring Meeting is taking place in San Antonio, TX at the Henry B. Gonzalez Convention Center, and Natalie’s talk is...
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APMT Achieves Automatic Control of Polymer Molecular Weight

ACOMP Enables Automated Control of Polymer Properties during Synthesis (New Orleans, LA, U.S.) ‒ Advanced Polymer Monitoring Technologies (APMT) today announced that it has achieved automatic control of polymer molecular weight during synthesis utilizing new capabilities integrated with APMT’s ACOMP product, which monitors polymer properties during polymerization reactions. The results of this collaborative research effort...
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