Online Monitoring of Acid Number and OH Number during Polyester Resin Production
Application Note N520
Online Monitoring of Acid Number and OH Number during Polyester Resin Production
At all stages of the polyester production process it is critical to monitor the parameters Acid Number and OH Number online. This way the reaction endpoint can be accurately determined, bad batches are avoided, and the quality of the end products can be kept within narrow specifications. FT-NIR process spectroscopy is a proven tool and used widely across the industry.
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