(132c) Kneader Technology for the Direct Devolatilization of Temperature Sensitive Elastomers
AIChE Spring Meeting and Global Congress on Process Safety
2013
2013 Spring Meeting & 9th Global Congress on Process Safety
Chemicals Manufacturing for the 21st Century
New Approaches in Chemical Manufacturing Operations
Wednesday, May 1, 2013 - 2:45pm to 3:15pm
Synthetic elastomers have been produced for over 50 years. Advances in catalyst systems and polymer formulations have been somewhat diminished by the continued use of the same processing technology. In particular, the use of coagulation, steam stripping, mechanical dewatering, and convective drying for the devolatilization of temperature sensitive elastomeric solutions can be replaced with direct devolatilization using kneader technology. A two-step, direct devolatilization process has demonstrated energy savings and advantages in environmental emissions and process/product flexibility when compared to the conventional steam stripping process.
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