Functional, photochemically active, and chemically asymmetric membranes by interfacial polymerization of derivatized multifunctional prepolymers

Claim 1

A thin film composite membrane comprising a microporous polymeric membrane support and an ultrathin membrane comprising the interfacial polymerization reaction product made from at least one prepolymer of the type M F X m , M F ' Y n and N F Y n wherein M F and M F ' are monomeric or oligomeric moieties that can initiate photochemical redox reactions, N F is a linkable or crosslinkable monomeric or ologiomeric moiety that cannot initiate photochemical redox reactions, X and Y are groups which render said prepolymers reactive in an interfacial polymerization reaction, m and n are integers ≧2, and wherein said interfacial polymerization reaction product possesses substantially the same selective photochemical redox reactivity as M F and M F ' .

Claim 11

A method of making a polymer containing recurring linked and crosslinked groups selected from M F and M F ' wherein M F and M F ' are prepolymeric moieties that can initiate photochemical redox reactions, comprising: (a) forming a first solution of M F X m in a first liquid; (b) forming a second solution containing a second prepolymeric compound selected from M F X n , M F ' Y n and N F Y n in a second liquid which is immiscible with said first liquid; (c) combining said first and second solutions so as to form an interface between the two; and (d) reacting M F X m and said second prepolymeric compound at the interface of said first and second solutions wherien X and Y are different groups which are mutually reactive in an interfacial polymerization reaction, N F is a linking or a crosslinking group, and m and n are integers ≧2.

Claim 12

A method of making a polymer containing recurring linked and crosslinked groups selected from M F and M F ' wherein M F and M F ' are prepolymeric moieties that can initiate photochemical redox reactions, comprising: (a) forming a first solution of M F X m in a first liquid; (b) forming a second solution containing a second prepolymeric compound selected from M F X n , M F ' Y n and N F Y n in a second liquid which is immiscible with said first liquid; (c) combining said first and second solutions so as to form an interface between the two; and (d) reacting M F X m and said second prepolymeric compound at the interface of said first and second solutions wherien X and Y are different groups which are mutually reactive in an interfacial polymerization reaction, N F is a linking or a crosslinking group, and m and n are integers ≧2.

Claim 19

A method of making a polymer containing recurring linked and crosslinked groups of porphyrins, phthalocyanines and derivatives thereof comprising: (a) forming a first solution of a first reactive compound of the formula ##STR9## wherein M is a metal ion or --H H--, R is H, alkyl, aryl, pyridinyl, R', alkyl-R', or aryl-R', R' is H, Hal, NH 2 , CH 2 NH 2 , SH, OH, COHal, COOH, NCO, or SO 2 Hal, and Hal is halide; (b) forming a second solution of a second reactive compound that is reactive with said first reactive compound in an interfacial polymerization reaction, said second solution being immiscible with said first solution; (c) combining said first and second solutions so as to form an interface between the two; and (d) reacting said first and second reactive compounds at the interface of said first and second solutions.

Claim 20

A method of making a polymer containing recurring linked and crosslinked groups of porphyrins, phthalocyanines and derivatives thereof comprising: (a) forming a first solution of a first reactive compound of the formula ##STR9## wherein M is a metal ion or --H H--, R is H, alkyl, aryl, pyridinyl, R', alkyl-R', or aryl-R', R' is H, Hal, NH 2 , CH 2 NH 2 , SH, OH, COHal, COOH, NCO, or SO 2 Hal, and Hal is halide; (b) forming a second solution of a second reactive compound that is reactive with said first reactive compound in an interfacial polymerization reaction, said second solution being immiscible with said first solution; (c) combining said first and second solutions so as to form an interface between the two; and (d) reacting said first and second reactive compounds at the interface of said first and second solutions.