Novel reading inhibit agents

Abstract

Disclosed is an optical disk, card or media which comprises: a) a plurality of data structures that are readable by the interrogating beam of light; and b)a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is used in the optical read-out system, the interrogating beam of light passes through the composition before or after contacting some or all of the data structures. The composition comprises a polymeric matrix with an organometallic complex dissolved therein or with metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed therein. The composition is substantially transparent to the interrogating beam and/or is substantially colorless. Alternatively, the composition comprises a solid polymeric matrix with an olefinic compound dissolved or uniformly dispersed therein wherein double bond in the olefinic compound undergoes oxidative cleavage promoted by a transition metal catalyst and a thiophenol or a catalytic amount of a thiyl radical and wherein the composition is substantially transparent to the interrogating beam and/or is substantially colorless.

What is claimed is:  
     
         1 . An optical disk, card or media for use in an optical read-out system that comprises a light source operative to produce an interrogating beam of light for reading data structures, wherein the optical disk, card or media comprises: 
 a. a plurality of data structures that are readable by the interrogating beam of light;    b. a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is used in the optical read-out system, the interrogating beam of light passes through the composition before or after contacting some or all of the data structures, wherein the composition comprises a polymeric matrix with an organometallic complex dissolved therein or with metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed therein and wherein the composition is substantially transparent to the interrogating beam and/or is substantially colorless.    
     
     
         2 . The optical disk or card of  claim 1  further comprising: 
 a. a metallic layer; and  
 b. a substrate disposed in a confronting relationship with the metallic layer.  
 
     
     
         3 . The optical disk or card of  claim 2  wherein the composition is a film superimposed over at least some of the data structures.  
     
     
         4 . The optical disk or card of  claim 2  wherein the composition is interposed between the metallic layer and the substrate.  
     
     
         5 . The optical disk or card of  claim 2  wherein the organometallic complex or nanoparticles react when exposed to an ambient condition to form a product which reduces the transparency of the composition to the interrogating beam and/or increases the coloration of the composition.  
     
     
         6 . The optical disk or card of  claim 2  wherein the organometallic complex or nanoparticles react when exposed to oxygen, moisture, light and/or heat to form a product which reduces the transparency of the composition to the interrogating beam and/or increases the coloration of the composition.  
     
     
         7 . The optical disk or card  claim 6  wherein the composition is a solid solution of an organometallic complex dissolved in a polymeric matrix.  
     
     
         8 . The optical disk or card of  claim 7  wherein the organometallic complex is a cyclopentadienyl or CO complex of iron, chromium, nickel, cobalt, titanium, tungsten, platinum or ruthenium.  
     
     
         9 . The optical disk or card of  claim 8  wherein the organometallic complexes is Fe(CO) 5  complex, Co 2 (CO) 8  complex or nickel cyclooctoadiene complex.  
     
     
         10 . The optical disk or card of  claim 6  wherein the composition is a solid polymeric matrix with metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed therein.  
     
     
         11 . The optical disk or card of  claim 10  wherein the metal or transition metal nanoparticles oxidize when exposed to air.  
     
     
         12 . The optical disk or card of  claim 11  wherein metal or transition metal is Al, Si, Cr, Fe, Co, Ni, Cu, Zn, In, Sn, Ag, Au, Pt, Pd, Mo or W.  
     
     
         13 . The optical disk or card of  claim 10  further comprising a ligand which stabilizes the metal or transition metal nanoparticles.  
     
     
         14 . The optical disk or card of  claim 13  wherein the metal or transition metal is Au, Ag, Pt or Pd and the ligand is a monovalent substituted or unsubstituted thio-alkyl, thio-cycloalkyl, thio-arylalkyl, sulfide or disulfide ligand.  
     
     
         15 . The optical disk or card of  claim 13  wherein the metal or transition metal is Fe, Al, Cu or Co and the ligand is an alkyl carboxylic acid.  
     
     
         16 . The optical disk or card of  claim 6  wherein the polymeric matrix is a thermoplastic polymer.  
     
     
         17 . The optical disk or card of  claim 6  wherein the polymeric matrix is formed from a photopolymerizable or thermopolmerizable monomer and/or oligomer comprising ethylenically unsaturated groups, epoxide groups or combinations thereof.  
     
     
         18 . An optical disk, card or media for use in an optical read-out system that comprises a light source operative to produce an interrogating beam of light for reading data structures, comprising: 
 a. a plurality of data structures that are readable by the interrogating beam of light; and    b. a composition on or in the optical disk disposed so that when the optical disk, card or media is used in the optical read-out system, the interrogating beam of light passes through the composition before or after contacting some or all the of the data structures, wherein the composition comprises: i) a solid polymeric matrix with an olefinic compound dissolved or uniformly dispersed therein; and ii) a transition metal catalyst and a thiophenol or a catalytic amount of a thiyl radical and wherein the composition is substantially transparent to the interrogating beam and/or is substantially colorless.    
     
     
         19 . The optical disk or card of  claim 18  further comprising: 
 a. a metallic layer; and  
 b. a substrate disposed in a confronting relationship with the metallic layer.  
 
     
     
         20 . A method for coating an internal or external surface of a device with a layer that is substantially transparent to visible light wherein the layer undergoes a reduction in said transparency when exposed to an ambient condition, said method comprising the steps of: 
 a. dispensing onto the surface a film of a solution comprising at least one monomer or at least one oligomer, wherein the solution additionally comprised an organometallic complex, metal, transition metal, metal oxide or transition metal oxide nanoparticles dissolved therein or uniformly dispersed therein; and    b. polymerizing the monomer(s) or oligomer(s) to form a polymer.    
     
     
         21 . The method of  claim 20  wherein the device is an optical disk or card or a part used in the manufacture of an optical disk or card.  
     
     
         22 . The method of  claim 21  wherein the device is a substrate, metallized layer, information carrying layer or barrier layer used in the manufacture of an optical disk or card.  
     
     
         23 . The method of  claim 21  wherein the organometallic complex or nanoparticles react when exposed to an ambient condition to form a product which reduces the transparency of the layer or increases the coloration of the layer.  
     
     
         24 . The method of  claim 21  wherein the organometallic complex or nanoparticles react when exposed to an ambient condition to form light scattering centers.  
     
     
         25 . The method of  claim 22  wherein the organometallic complex or nanoparticles react when exposed to oxygen, moisture, light and/or heat to form a product which reduces the transparency of the polymerized monomer or increases the coloration of the layer.  
     
     
         26 . The method  claim 25  wherein the monomer solution comprises an organometallic complex dissolved therein.  
     
     
         27 . The method of  claim 26  wherein the organometallic complex is a cyclopentadienyl or CO complex of iron, chromium, nickel, cobalt, titanium, tungsten, platinum or ruthenium.  
     
     
         28 . The method of  claim 27  wherein the organometallic complex is Fe(CO) 5  complex, Co 2 (CO) 8  complex or nickel cyclooctadiene.  
     
     
         29 . The method of  claim 25  wherein the monomer solution comprises metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed or dissolved therein.  
     
     
         30 . The method of  claim 29  wherein the metal or transition metal nanoparticles oxidize when exposed to air.  
     
     
         31 . The method of  claim 30  wherein metal or transition metal is Al, Si, Cr, Fe, Co, Ni, Cu, Zn, In, Sn, Ag, Au, Pt, Pd, Mo or W.  
     
     
         32 . The method of  claim 29  wherein the monomer solution further comprises a ligand which stabilizes the metal or transition metal nanoparticles.  
     
     
         33 . The method of  claim 32  wherein the metal or transition metal is Au, Ag, Pt or Pd and the ligand is a monovalent substituted or unsubstituted thio-alkyl, thio-cycloalkyl, thio-arylalkyl, sulfide or disulfide ligand.  
     
     
         34 . The method of  claim 32  wherein the metal or transition metal is Fe, Al, Cu or Co and the ligand is an alkyl carboxylic acid.  
     
     
         35 . The method of  claim 25  wherein the monomer solution comprise one or more monomers or oligoner(s) which form thermoplastic a polymer when polymerized.  
     
     
         36 . The method of  claim 25  wherein the monomer or oligomer is olefinic or epoxy monomer or oligomer that is photopolymerizable or thermopolymermizable.  
     
     
         37 . A method for coating an internal or external surface of a device with a layer that is substantially transparent to visible light wherein the layer undergoes a reduction in said transparency when exposed to an ambient condition, said method comprising the steps of: 
 a. dispensing onto the surface a film of a solution comprising: i) least one monomer or oligomer with an olefinic compound dissolved or uniformly dispersed therein; and ii) a transition metal catalyst and a thiophenol or a catalytic amount of a thiyl radical; and    b. polymerizing the monomer.    
     
     
         38 . A method for coating an internal or external surface of a device with a layer that is substantially transparent to visible light wherein the layer undergoes a reduction in said transparency when exposed to an ambient condition, said method comprising the steps of: 
 a. dispensing onto the surface a film of a solution of at least one polymer, wherein the solution additionally comprises an organometallic complex, metal, transition metal, metal oxide or transition metal oxide nanoparticles dissolved therein or uniformly dispersed therein; and    b. removing the solvent from the solution to form the coating.    
     
     
         39 . The method of  claim 38  wherein the device is an optical disk or card or a part used in the manufacture of an optical disk or card.  
     
     
         40 . The method of  claim 39  wherein the device is a substrate, metallized layer, information carrying layer or barrier layer used in the manufacture of an optical disk or card.  
     
     
         41 . The method of  claim 39  wherein the organometallic complex or nanoparticles react when exposed to an ambient condition to form a product which reduces the transparency of the layer or increases the coloration of the layer.  
     
     
         42 . The method of  claim 39  wherein the organometallic complex or nanoparticles react when exposed to an ambient condition to form light scattering centers.  
     
     
         43 . The method of  claim 40  wherein the organometallic complex or nanoparticles react when exposed to oxygen, moisture, light and/or heat to form a product which reduces the transparency of the polymerized monomer or increases the coloration of the layer.  
     
     
         44 . The method  claim 43  wherein the monomer solution comprises an organometallic complex dissolved therein.  
     
     
         45 . The method of  claim 44  wherein the organometallic complex is a cyclopentadienyl or CO complex of iron, chromium, nickel, cobalt, titanium, tungsten, platinum or ruthenium.  
     
     
         46 . The method of  claim 45  wherein the organometallic complex is Fe(CO) 5  complex, Co 2 (CO) 8  complex or nickel cyclooctadiene.  
     
     
         47 . The method of  claim 43  wherein the monomer solution comprises metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed or dissolved therein.  
     
     
         48 . The method of  claim 47  wherein the metal or transition metal nanoparticles oxidize when exposed to air.  
     
     
         49 . The method of  claim 48  wherein metal or transition metal is Al, Si, Cr, Fe, Co, Ni, Cu, Zn, In, Sn, Ag, Au, Pt, Pd, Mo or W.  
     
     
         50 . The method of  claim 47  wherein the monomer solution further comprises a ligand which stabilizes the metal or transition metal nanoparticles.  
     
     
         51 . The method of  claim 50  wherein the metal or transition metal is Au, Ag, Pt or Pd and the ligand is a monovalent substituted or unsubstituted thio-alkyl, thio-cycloalkyl, thio-arylalkyl, sulfide or disulfide ligand.  
     
     
         52 . The method of  claim 50  wherein the metal or transition metal is Fe, Al, Cu or Co and the ligand is an alkyl carboxylic acid.  
     
     
         53 . The method of  claim 43  wherein the monomer solution comprise one or more monomers or oligoner(s) which form thermoplastic a polymer when polymerized.  
     
     
         54 . The method of  claim 43  wherein the monomer or oligomer is olefinic or epoxy monomer or oligomer that is photopolymerizable or thermopolymermizable.  
     
     
         55 . A method for coating an internal or external surface of a device with a layer that is substantially transparent to visible light wherein the layer undergoes a reduction in said transparency when exposed to an ambient condition, said method comprising the steps of: 
 c. dispensing onto the surface a film of a solution comprising: i) at least one polymer, with an olefinic compound dissolved or uniformly dispersed therein; and ii) a transition metal catalyst and a thiophenol or a catalytic amount of a thiyl radical; and    d. removing the solvent from the solution to form the coating.    
     
     
         56 . A method of limiting access to data stored on an optical disk, card, media, said optical disk, card or media being used in an optical read-out system that comprises a light source operative to produce an interrogating beam of light for reading data structures, said method comprising the step of exposing the optical disk, card or media to an ambient condition, wherein the optical disk, card or media comprises: 
 a. a plurality of data structures that are readable by the interrogating beam of light;    b. a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is used in the optical read-out system, the interrogating beam of light passes through the composition before or after contacting some or all of the data structures, wherein the composition comprises a polymeric matrix with an organometallic complex dissolved therein or with metal, transition metal, metal oxide or transition metal oxide nanoparticles uniformly dispersed therein and wherein the composition is substantially transparent to the interrogating beam and/or is substantially colorless.    
     
     
         57 . The method of  claim 56  wherein the ambient condition is exposure to the interrogating beam of light.  
     
     
         58 . A method of limiting access to data stored on an optical disk, card, said optical disk, card or media being used in an optical read-out system that comprises a light source operative to produce an interrogating beam of light for reading data structures, said method comprising the step of exposing the optical disk, card or media to an ambient condition, wherein the optical disk, card or media comprises: 
 a. a plurality of data structures that are readable by the interrogating beam of light; and    b. a composition on or in the optical disk disposed so that when the optical disk, card or media is used in the optical read-out system, the interrogating beam of light passes through the composition before or after contacting some or all the of the data structures, wherein the composition comprises: i) a solid polymeric matrix with an olefinic compound dissolved or uniformly dispersed therein; and ii) a transition metal catalyst and a thiophenol or a catalytic amount of a thiyl radical and wherein the composition is substantially transparent to the interrogating beam and/or is substantially colorless.    
     
     
         59 . The method of  claim 58  wherein the ambient condition is exposure to the interrogating beam of light.