wherein said solid polymeric matrix is obtained by polymerizing or copolymerizing an organic monomer represented by Formula I: ##STR4## where R1, R2, and R3 are independently selected from the group consisting of (a) --Y--CH2 CH2)x H where x is an integer of 1 to 20, Y is O, S, NH, or NR where R is an alkyl group having 1 to 10 carbon atoms, (b) an alkyl substituent having 1 to 6 carbon atoms, (c)