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Scogin® IN2420 is a sodium alginate–based polymer naturally derived from seaweed. It is commonly used to thicken and gel water-based solutions used in industrial applications.
Scogin® IN2420 is a naturally derived alginate polymer sourced from sustainably managed brown seaweed farms. It is typically used as a binder, gelling agent, and thickener. It is also used as a stabilizer in water-based coating, ink, and adhesive formulations. Scogin® IN2420 is a sustainable alternative to the traditionally used fossil fuel–based additives and binders used in these applications. In water, Scogin® IN2420 added at 1 wt% creates a solution with a viscosity of 15–25 mPa·s. If a medium-strength gel is needed, calcium can also be added to the solution for gelation to occur.
Some other applications that Scogin® IN2420 can be used in are active-ingredient encapsulation, paper and board manufacturing, and water treatment.
Due to its excellent film-forming properties, Scogin® IN2420 is ideal for paper and board sizing as well as manufacturing paper coatings. This film-forming property also makes Scogin® IN2420 useful in bioplastics research and fabrication. When used for water treatment, Scogin® IN2420 functions as an effective flocculant, especially when utilized as a co-flocculant with metal-based flocculants. Scogin® IN2420 alginate has a long, linear molecular structure that effectively entraps and encapsulates active ingredients that can be found in agricultural and industrial formulations.
Low viscosity and instability within coatings, inks, and adhesive formulations
Difficulty in forming gels due to heating requirements
Use of additives and binders derived from nonrenewable resources
Loss on Drying (% max): 15
pH: 6.5–8.5
Viscosity (1%, 25°C, mPa·s): 15–25
Particle size (18 mesh BS, % min): 97
Particle size (25 mesh BS, % min): 90
Primary Chemistry: Sodium alginate
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