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Isocyanates are the most critical building blocks for the performance polyurethane-based polymers that make up coatings, foams, adhesives, elastomers, and insulation. As manufacturing volume has risen, concerns have increased over both product quality and the toxic health impact of a residual isocyanate. In-situ monitoring with process analytical technology provides process understanding to quantify isocyanate (NCO), polyol, by-products, and pre-polymer concentrations in real-time.
This paper describes experimental results where in-situ mid-infrared (MIR) spectroscopy was applied to ensure that the following are met:
- Product Quality Specifications
- Personnel Safety
- Environmental Regulations
This enables a safer work environment and ensures residual NCO concentration meet standards, while optimizing production capacity and lower operating costs.
