TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (Claimed): Preparation of (I), comprises (S1) mixing and reacting a (2-benzoyl-3,4,5,6-tetraphenyl-phenyl)-phenyl-methanone compound of formula (II), a benzenesulfonylbenzene compound of formula (III), bis(4-hydroxyphenyl) sulfone, alkali metal carbonates or alkaline earth metal carbonate and an organic solvent to obtain poly(tetra phenyl ether ketone sulfone) (PTPEKS), (S2) reacting PTPEKS with an organic solvent and a reducing agent to obtain PTPPES, (S3) reacting PTPPES with chloromethyl in the presence of a catalyst to form dichloromethane-PTPPES (CH2Cl-PTPPES), and (S4) solidifying the CH2Cl-PTPPES in the presence of trimethylamine and an amine compound to obtain (I). Preferred Components: (II) comprises 1,2-bis(4-fluorobenzoyl)-3,4,5,6-tetra phenyl benzene, and bis(4-fluorophenyl) sulfone. (III) is bis(4-fluorophenyl) sulfone. The organic solvent comprises N-methylpyrolidone, 1,3-dimethyl-2-imidazolidinone, dimethyl sulfoxide, dimethylacetamide, dimethylformamide, tetrahydro furfuryl alcohol, isophorone, diethyl adipate, dimethyl glutarate, sulfolane, gamma-butyl lactone, ethyleneglycol monobutyl ether, diethylene glycol monobuthyl ether and triethylene glycol monobutyl ether. The reducing agent is hydrazine. The amine compound comprises N,N,N',N'-tetramethyl metanediamine, N,N,N',N'-tetramethylethylenediamine, N,N,N',N'-tetramethyl-1,3-propanediamine, N,N,N',N'-tetramethyl-1,4-butanediamine, N,N,N',N'-tetramethyl-1,6-hexanediamine, trimethylamine, triethylamine and diethylphenylamine. Preferred Process: The step S3 step comprises introducing hydrochloric acid and formaldehyde along with chloromethyl, and is carried out at -5?o C to -0?o C for 5-6 hours. The step S4 is carried out at 25-30?o C for 48-60 hours. The step S4 is carried out at 80-100?o C.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The alkali metal carbonate is potassium carbonate. The catalyst is zinc chloride or tin chloride.X = Cl, Br, I, or F. EXAMPLE - No suitable example given.