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High standard viscosity quaternary Mannich microemulsions
High standard viscosity quaternary Mannich microemulsions
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机译:高标准粘度四元曼尼希微乳液
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摘要
Inverse microemulsions having a Standard Viscosity of at least about 3. 3 cps are disclosed which comprise an aqueous phase of dispersed micelles containing water and an (alk)acrylamide-based polymer substituted with at least 1 mole percent of quaternized tertiary aminomethyl groups, wherein said microemulsion is derived from a microemulsion containing greater than about 20 percent, by weight, and less than about 40 percent, by weight, of aqueous phase polymer solids, based on said microemulsion. A method of making said microemulsions and use thereof to dewater dispersions of suspended solids are also taught.
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