METHOD OF OBTAINING ALCOHOL SOLVATE OF NEODYMIUM CHLORIDE Russian patent published in 2012 - IPC C01F17/00 C08F4/44 B01J37/04 

FIELD: chemistry.

SUBSTANCE: invention relates to method of obtaining alcohol solvate of neodymium chloride, which can be used as component for obtaining catalyst of polymerisation of diene hydrocarbons. Method includes mixing water neodymium chloride with monoatomic alcohol or mixture of monoatomic alcohols and with paraffinic or aromatic hydrocarbon or their mixture, inert with respect to organoaluminium compounds, with concentration of neodymium in obtained mixture 3.7-12.5 wt %. Water neodymium chloride is obtained by step-by step removal of crystallisation water from neodymium chloride hexahydrate by heating with mixing in vacuum, supplying nitrogen through the layer of dried product to the content of 3.0-3.5 mole of water per 1 mole of neodymium chloride at temperature from 70 to 105°C and further to content of water not more than 0.8 mole per 1 mole of neodymium chloride at temperature from 130 to 135°C.

EFFECT: invention ensures simplification of technology, elimination of stages of regeneration of raw material components, elimination of technological equipment corrosion and reduction of expenditure on obtaining solvates homogeneous as to the particle size, content of alcohol and water and high catalytic activity.

2 cl, 5 ex