Patent ID: 6811703
Filing Date: 2004-11-02
Classification: B01J,B09C,C02F

Abstract:
A method of making a solids phase mixed solvent polymer for adsorption and retention of solvated compounds, the method comprising;(a) reacting a ketone with a phenol to form a dialkyldiphenol; (b) methylolating said dialkyldiphenol with an aldehyde; (c) reacting a monoalkyl ether of PEG with phosphorous tribromide to form a monoalkyl PEG bromide; (d) reacting the products of steps (b) and (c) to form a monoalkyl PEG ether of the methylolated alkyl diphenol; (e) combining a phenol-aldehyde resole with said monoalkyl PEG ether of the methylolated alkyl diphenol to effectuate cross-linking.