Conductive and roughening layer

Abstract

The invention relates to a material comprising a web wherein said web comprises at least one surface layer comprising polyether polymeric antistat, extrudable polymer, and compatibilizer wherein said surface layer has a roughness of greater than 0.3 Ra.

1 . A method of forming a roughened sheet comprising extruding a polymer sheet wherein at least one surface layer comprises polyether polymeric antistat, extrudable polymer, and compatibilizer stretching said polymer sheet by a ratio of at least 3:1 in at least one direction such that said at least one surface layer has a roughness of greater 0.3 Ra.  
     
     
         2 . The method of  claim 1  wherein said surface layer has a resistivity of less than 13 log ohm/sq.  
     
     
         3 . The method of  claim 1  wherein said polyether polymeric antistat comprises polyether block copolyamide.  
     
     
         4 . The method of  claim 1  wherein said extrudable polymer comprises polypropylene.  
     
     
         5 . The method of  claim 1  wherein said extrudable polymer comprises polyolefin.  
     
     
         6 . The method of  claim 1  wherein said extrudable polymer comprises polyester.  
     
     
         7 . The method of  claim 1  wherein said roughness is between 0.3 Ra and 2 Ra.  
     
     
         8 . The method of  claim 1  wherein said resistivity is less than 12.5 log ohm/sq.  
     
     
         9 . The method of  claim 1  wherein said polyether polymeric antistat comprises between 15 and 85% weight by layer, said extrudable polymer comprises between 15 and 85% by weight of said layer, and said compatibilizer comprises between 0.2 and 20% by weight of said layer.  
     
     
         10 . The method of  claim 1  further comprising thermally processable onium salt.  
     
     
         11 . The method of  claim 1  wherein said thermally processable onium salt comprises between 0.1 and 10% by weight of the amount of said polyether polymeric antistat.  
     
     
         12 . The method of  claim 1  further comprising thermally processable onium salt.  
     
     
         13 . The method of  claim 12  wherein said thermally processable onium salt comprises between 0.1 and 10% by weight of the amount of said polyether polymeric antistat.  
     
     
         14 . The imaging member of  claim 1  wherein said compatibilizer comprises at least one member selected from the group consisting of polyethylene, polypropylene, ethylene/propylene copolymers, ethylene/butene copolymers, polyethylene, polypropylene, ethylene/propylene copolymers, ethylene/butene copolymers grafted with maleic anhydride or glycidyl methacrylate, ethylene/alkyl (meth)acrylate/maleic anhydride copolymers wherein the maleic anhydride is grafted or copolymerized, ethylene/vinyl acetate/maleic anhydride copolymers wherein the maleic anhydride is grafted or copolymerized, ethylene/alkyl (meth)acrylate/maleic anhydride copolymers and ethylene/vinyl acetate/maleic anhydride copolymers wherein anhydride is replaced fully or partly by glycidyl methacrylate, ethylene/(meth)acrylic acid copolymers and their salts, ethylene/alkyl (meth)acrylate/glycidyl methacrylate copolymers wherein the glycidyl methacrylate is grafted or copolymerized, and grafted copolymers constituted by at least one mono-amino oligomer of polyamide and of an alpha-mono-olefin (co)polymer grafted with a monomer able to react with the amino functions of said oligomer.  
     
     
         15 . The imaging member of  claim 1  wherein said compatibilizer comprises at least one member selected from the group consisting of polyethylene, polypropylene, ethylene/propylene copolymers, ethylene/butene copolymers, polyethylene, polypropylene, ethylene/propylene copolymers, ethylene/butene copolymers grafted with maleic anhydride or gycidyl methacrylate, ethylene/alkyl (meth)acrylate/maleic anhydride copolymers, ethylene/vinyl acetate/maleic anhydride copolymers, ethylene/alkyl (meth)acrylate/glycidyl methacrylate copolymers, and ethylene/glycidyl methacrylate.  
     
     
         16 . The imaging member of  claim 1  wherein said compatibilizer comprises terpolymers of ethylene/methyl acrylate/glycidyl methacrylate or copolymers of ethylene/glycidyl methacrylate.