Paper/ plastic laminate and electromagnetic shielding material

Abstract

A laminate material comprising a paper web and a polymeric film adhered to the paper web, the polymeric film comprising a biodegradable polymeric material that includes an organic additive.

What is claimed is: 
     
         1 . A laminate material comprising:
 a paper web; and   a polymeric film adhered to the paper web, the polymeric film comprising a biodegradable polymeric material that includes an organic additive.   
     
     
         2 . The laminate material of  claim 1 , further comprising a layer of conductive material. 
     
     
         3 . The laminate material of  claim 2 , wherein the layer of conductive material is made of one or more of aluminum, copper, silver, nickel, gold, and silver. 
     
     
         4 . The laminate material of  claim 1 , wherein the organic additive renders the polymeric film degradable upon exposure to oleophilic bacteria. 
     
     
         5 . A laminate material comprising:
 a paper web; and   a polymeric film adhered to the paper web,   wherein the laminate material is configured to shield radiation having frequencies between 3 Hz and 300 GHz.   
     
     
         6 . The laminate material of  claim 5 , further comprising a layer of conductive material. 
     
     
         7 . The laminate material of  claim 6 , wherein the layer of conductive material has a thickness of between 3×10 −7  and 1×10 −3  inches. 
     
     
         8 . The laminate material of  claim 5 , wherein the laminate material is configured to shield radiation having a frequency of 13.56 MHz. 
     
     
         9 . A laminate material comprising:
 a paper web;   a polymeric film adhered to the paper web; and   a coating that increases resistance of a surface of the laminate material to one or more of scuffs and scratches.   
     
     
         10 . The laminate material of  claim 9 , further comprising a layer of conductive material. 
     
     
         11 . The laminate material of  claim 10 , wherein the layer of conductive material is a foil. 
     
     
         12 . The laminate material of  claim 9 , wherein the coating is applied by employing one or more of five roll coating, UV curing, and electron beam curing. 
     
     
         13 . A laminate material comprising:
 a paper web;   a polymeric film adhered to the paper web; and   a coating that increases receptivity of a surface of the laminate material to printing and marking inks.   
     
     
         14 . The laminate material of  claim 13 , further comprising a layer of conductive material. 
     
     
         15 . The laminate material of  claim 14 , wherein the layer of conductive material includes a pattern of meshes. 
     
     
         16 . The laminate material of  claim 13 , wherein the coating is a topcoat of the laminate material. 
     
     
         17 . A laminate material comprising:
 a paper web;   a polymeric film adhered to the paper web; and   a coating that includes an antimicrobial agent that is configured to destroy or inhibit the growth of microorganisms.   
     
     
         18 . The laminate material of  claim 17 , further comprising a layer of conductive material. 
     
     
         19 . The laminate material of  claim 18 , wherein the layer of conductive material is incorporated into the polymeric film. 
     
     
         20 . The laminate material of  claim 17 , wherein the antimicrobial agent is one or more of an antibacterial agent, an antifungal agent, an antiviral agent, and an antiparasitic agent. 
     
     
         21 . A laminate material comprising:
 a first paper web;   a polymeric film adhered to the first paper web;   a second paper web; and   a coating that increases resistance of a surface of the laminate material to one or more of water, grease, and oil.   
     
     
         22 . The laminate material of  claim 21 , further comprising a layer of conductive material. 
     
     
         23 . The laminate material of  claim 22 , wherein the layer of conductive material is situated between the polymeric film and the second paper web. 
     
     
         24 . The laminate material of  claim 21 , wherein the coating prevents the laminate material from being damaged by one or more of water, grease, and oil. 
     
     
         25 . A security device capable of electromagnetically shielding an RFID smart chip, the security device comprising:
 a dimensionally stable electromagnetic shielding laminate material comprising:
 a paper web; 
 a polymeric film comprising a biodegradable polymeric material that includes an organic additive; 
 a layer of conductive material; and 
 a coating that includes an antimicrobial agent that is configured to destroy or inhibit the growth of microorganisms, and 
   a substrate positioned adjacent to the dimensionally stable electromagnetic shielding laminate material;   wherein the dimensionally stable electromagnetic shielding laminate material is configured to shield radiation having frequencies between 3 Hz and 300 GHz.   
     
     
         26 . The security device of  claim 25 , wherein the dimensionally stable electromagnetic shielding laminate material further comprises:
 a coating that increases resistance of a surface of the dimensionally stable electromagnetic shielding laminate material to one or more of scuffs and scratches;   a coating that increases receptivity of a surface of the dimensionally stable electromagnetic shielding laminate material to printing and marking inks; and   a coating that increases resistance of a surface of the dimensionally stable electromagnetic shielding laminate material to one or more of water, grease, and oil.   
     
     
         27 . The security device of  claim 25 , wherein the substrate is one or more of wallpaper, paper of an envelope, a sleeve, a sheath, a holder, and a folder into which the RFID smart chip can be inserted.