Rheological Study: Sodium Hexametaphosphate's Influence on Emulsification and Stability of Nitrocellulose-Butanol Colloid Lacquers

13 February 2024, Version 1
This content is a preprint and has not undergone peer review at the time of posting.


In this paper, we study the effect of Sodium Hexametaphosphate on the Nitrocellulose butanol wet for the emulsification and stability of the resulting colloid. Nitrocellulose wetted with butanol is used in lacquers for high-gloss automotive finishes and leather finishing and plays a pivotal role in diverse industries due to its unique glossing properties. We investigated the rheological properties of this Nitrocellulose-butanol wets with and without Sodium Hexametaphosphate at various temperatures. We performed multiple tests such as oscillatory rheometry, steady shear rheometry, and time sweep tests at various temperatures to understand these solutions' temperature characteristics, shelf-life, and stability with time. We find that the Sodium hexametaphosphate helps prevent the aggregation of nitrocellulose particles, stabilize them, and improve the rheological properties of the colloid, leading to better application and performance characteristics.


Sodium Hexametaphosphate
Rheological Properties
Oscillatory Rheometry
Steady Shear Rheometry
Temperature Characteristic
Nitrocellulose-Butanol Wet


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