Patent ID: 8828901

Claim:
A process for the preparation of a solid catalyst system (CS) comprising the steps of: (I) generating an emulsion (E) by dispersing a liquid clathrate (LC) in a solution (S) wherein: (i) the solution (S) constitutes the continuous phase (CP) of the emulsion (E), and (ii) the liquid clathrate (LC) constitutes in form of droplets the dispersed phase (DP) of the emulsion (E); (II) solidifying said dispersed phase (DP) to convert said droplets to solid particles; and (III) optionally recovering said particles to obtain said catalyst system (CS), wherein: (a) the liquid clathrate (LC) comprises: (i) a lattice (L) being the reaction product of: (α) aluminoxane (A), (β) an organometallic compound (O) of a transition metal (M) of Group 3 to 10 of the Periodic Table (IUPAC 2007) or of an actinide or lanthanide, and (γ) a compound (B) being effective to form with the aluminoxane (A) and the organometallic compound (O) the lattice (L), and (ii) a guest (G) being an hydrocarbon compound (HO), and (b) the solution (S) comprises non-halogenated fluid (NF) and a hydrocarbon solvent (HS), said non-halogenated fluid (NF) being a silicon fluid (SF), wherein said compound (B) is an M-X compound which is an organic, inorganic or organometallic compound which can potentially dissociate or partially dissociate into cationic (M + ) and anionic (X − ) components or said compound (B) is an organo-silicon compound (OS) being different to the silicon fluid (SF), said organo-silicon compound (OS) being a hydrocarbylsiloxane of the formula R 3 Si—O[—SiR 2 —O] n —SiR 3 or Si—[O—R] 4 , and wherein R is, independently, a hydrocarbyl group having up to about 18 carbon atoms and n is 0 to 3, or said organo-silicon compound (OS) being a hydrocarbylpolysiloxane having from 2 to 6 silicon atoms in the molecule and which are separated from each other by an oxygen atom such that there is a linear, branched or cyclic backbone of alternating Si and oxygen atoms, with the remainder of the four valence bonds of each of the silicon atoms individually satisfied by an univalent hydrocarbyl group R being, independently, a hydrocarbyl group having up to about 18 carbon atoms.