Method for comprehensively drying liquid rubber and drying device
A liquid rubber and drying device technology, applied in separation methods, chemical instruments and methods, evaporation, etc., can solve the problems of affecting solvent evaporation efficiency, short residence time, small changes in physical properties and appearance, etc., to improve drying efficiency and throughput , reduce residence time, avoid performance and appearance changes
Inactive Publication Date: 2012-09-26
LIAONING HEYUN SYNTHETIC RUBBER RES INST
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Abstract
The invention provides a method for comprehensively drying liquid rubber. The method comprises the following steps of: 1) concentrating; and 2) performing thin film evaporation. The method for comprehensively drying the liquid rubber is suitable for drying the liquid rubber with both low viscosity and high viscosity, particularly the liquid rubber of which a liquid rubber solution or emulsion is low in concentration and high in solvent content, and the final product is high in viscosity. By adopting the drying device with a special structure and a combined mode, so that the drying efficiency and the treatment amount of the liquid rubber can be improved greatly, a liquid rubber product with qualified volatile matter can be obtained in a short period of time, and the residence time of the liquid rubber at high temperature can be reduced greatly; and therefore, the change of the performance and appearance of the liquid rubber remained at high temperature for a long time can be avoided.
Application Domain
Evaporation
Technology Topic
SolventEmulsion +6
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Example Embodiment
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PUM
Property | Measurement | Unit |
Viscosity | 90.0 | pa·s |
Viscosity | 93.0 | pa·s |
Viscosity | 75.0 | pa·s |
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