Authenticatable articles and methods therefor

Abstract

An article comprising the compound of Formula (I): wherein R 1 is selected from the group consisting of an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; R 2 and R 3 are independently selected from the group consisting of a hydroxyl group, a halogen atom, an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; Y is either an oxygen atom or a sulfur atom; “n” has a value of 0 to 4; and “m” has a value of 0 to 3.

1 . An article comprising the compound of Formula (I): 
       
         
           
           
               
               
           
         
       
       wherein R 1  is selected from the group consisting of an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; R 2  and R 3  are independently selected from the group consisting of a hydroxyl group, a halogen atom, an aliphatic functionality having 1 to 12 carbons, an aromatic functionality having 3 to 20 carbons, and a cycloaliphatic functionality having 3 to 20 carbons; Y is either an oxygen atom or a sulfur atom; “n” has a value of 0 to 4; and “m” has a value of 0 to 3. 
     
     
         2 . The article of  claim 1 , wherein the article comprises polycarbonate and from about 1×10 −7  percent by weight to about 10 percent by weight of the compound of Formula (I) based on the weight of the polymer. 
     
     
         3 . The article of  claim 1 , wherein the compound of Formula (I) has a Stokes shift of greater that about 50 nanometers. 
     
     
         4 . The article of  claim 1 , wherein the compound of Formula (I) comprises a compound selected from the group consisting of Formula (II), Formula (III), Formula (IV), Formula (V), Formula (VI), Formula (VII), Formula (VIII), Formula (IX), and Formula (X): 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
     
     
         5 . The article of  claim 4 , wherein the article comprises a compound of Formula (II): 
       
         
           
           
               
               
           
         
       
     
     
         6 . The article of  claim 4 , wherein the article comprises a compound of Formula (III): 
       
         
           
           
               
               
           
         
       
     
     
         7 . The article of  claim 4 , wherein the article comprises a compound of Formula (VI): 
       
         
           
           
               
               
           
         
       
     
     
         8 . The article of  claim 4 , wherein the article comprises a compound of Formula (VII): 
       
         
           
           
               
               
           
         
       
     
     
         9 . The article of  claim 1 , wherein the article is an optical disc. 
     
     
         10 . The article of  claim 1 , further comprising a second compound of Formula (I). 
     
     
         11 . A method of making an article comprising:
 incorporating an authentication compound of Formula (I) in a polymer to provide an authenticatable polymer, and   forming an article from the authenticatable polymer;   wherein the authentication compound of Formula (I) is present in an amount of about 1×10 −7  percent by weight to about 10 percent by weight based on the weight of the polymer.   
     
     
         12 . An article made by the method of  claim 11 .