A new material needs to maintain a low viscosity when concentrated or anhydrous, and then build viscosity when diluted with water. It should have an approximate concentrated viscosity of less than 500 cps, and a diluted viscosity greater than 1,000 cps when diluted to 50% or more with water. The water-soluble or water-dispersible creation must have low environmental impact and low toxicity. Possible solution areas include colloids, water-soluble polymers, and functional polymers. Previous attempts involved salt-concentrated and salt-sensitive polymers.
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