发明授权
US4393155A Enhanced viscosity maintenance and demulsibility in asphalt emulsions 失效
增强沥青乳液中的粘度维持和破乳性

Enhanced viscosity maintenance and demulsibility in asphalt emulsions
摘要:
Improved viscosity maintenance properties and high demulsibility values are provided by asphalt-in-water emulsions; e.g., RS-2 comprising in combination asphalt, emulsifiers and polyacrylamides having molecular weights above about 100,000.
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