Method for preparing a solid form of bisphenol F
AssigneeAditya Birla Chemicals (Thailand) Ltd. (Advanced Materials)
InventorsPradip Kumar Dubey, Chandan Kumar Singh, Parawee Thanomsup
Life of this patent
Estimating the term…
Abstract
A method for preparing a solid form of Bisphenol F is disclosed. The method comprises feeding Bisphenol F at a temperature in the range of 130-170° C. into an extruder; processing the fed Bisphenol F in a first mixing zone of the extruder, the first mixing zone maintained at a temperature in the range of 110-130° C., and then in a second mixing zone of the extruder, the second mixing zone maintained at a temperature in the range of 100-110° C.; conveying the processed Bisphenol F to a discharge zone of the extruder, the discharge zone maintained at a temperature in the range of 75-100° C.; discharging the processed Bisphenol F; and obtaining Bisphenol F in the solid form.
Claims14
A method for preparing a solid form of Bisphenol F, the method comprising:
- feeding Bisphenol F at a temperature in the range of 130-170° C. into an extruder;
- processing the fed Bisphenol F in a first mixing zone of the extruder, the first mixing zone maintained at a temperature in the range of 110-130° C., and then in a second mixing zone of the extruder, the second mixing zone maintained at a temperature in the range of 100-110° C.;
- conveying the processed Bisphenol F to a discharge zone of the extruder, the discharge zone maintained at a temperature in the range of 75-100° C.;
- discharging the processed Bisphenol F;
- and
- obtaining Bisphenol F in the solid form.
Dependencies are inferred from the claim text.