Decorative laminated safety glass

Abstract

The present invention is a decorative laminated article comprising an image bearing thermoplastic interlayer wherein the image has been printed on the interlayer using an ink jet printing process, wherein the pigment comprises at least one pigment selected from the group consisting of: PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7. The interlayer material of the present invention can be, for example, PVB, PET, or polyurethane.

1 . A process for obtaining an image-bearing laminate having a laminate adhesive strength of at least about 1000 psi, the process comprising the steps: “ink jet” printing a digital image, using a pigmented ink, onto at least one surface of a thermoplastic polymer interlayer to obtain an image-bearing interlayer; and laminating the image-bearing interlayer between sheets of transparent materials to obtain an image-bearing laminate, wherein the thermoplastic interlayer is a polymer selected from: polyvinyl butyrals (PVB), polyurethanes, polyethylenes, polypropylenes, and polyesters, EVA and wherein the pigments comprise at least one pigment selected from the group consisting of PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7.  
   
   
       2 . The process of  claim 1  wherein the pigmented ink is jetted onto a roughened polymer interlayer surface, the surface having a roughness (R z ) of from about 30 μm to about 60 μm and a Frequency of greater than 0.9 cycles/mm, wherein the ink comprises a dispersant and optionally comprises a binder in either an aqueous or non-aqueous vehicle.  
   
   
       3 . The process of  claim 2  wherein the viscosity of the ink is in the range of from about 1 cps to about 30 cps measured at 25° C.  
   
   
       4 . The process of  claim 3  wherein the viscosity of the ink is in the range of from about 1 cps to about 20 cps.  
   
   
       5 . The process of  claim 4  wherein the viscosity of the ink is in the range of from about 1 cps to about 15 cps.  
   
   
       6 . The process of  claim 5  wherein the viscosity of the ink is in the range of from about 1 cps to about 12 cps.  
   
   
       7 . The process of  claim 6  wherein the pigment is dispersed in a vehicle having a water content of no more than 16 wt %.  
   
   
       8 . The process of  claim 7  wherein the vehicle comprises an organic solvent or mixture of organic solvents.  
   
   
       9 . The process of  claim 8  wherein the organic solvent or the solvents in the mixture are selected from solvents in the group consisting of: propylene glycol ethers; dipropylene glycol ethers; ethylene glycol butyl ethers; dipropylene glycol monomethyl ether esters.  
   
   
       10 . The process of  claim 9  wherein the vehicle comprises dipropylene glycol monomethyl ether acetate (DPMA) and water.  
   
   
       11 . The process of  claim 10  wherein the vehicle consists essentially of DPMA.  
   
   
       12 . The process of  claim 8  wherein the ink comprises a dispersant but no binder.  
   
   
       13 . The process of  claim 12  wherein the dispersant comprises a structured polymer.  
   
   
       14 . The process of  claim 9  wherein the ink comprises a dispersant and a binder.  
   
   
       15 . The process of  claim 14  wherein the dispersant comprises: AB, BAB and ABC block copolymers, branched polymers and graft polymers.  
   
   
       16 . The process of  claim 15  wherein the binder is selected from binders in the group consisting of: polyurethane (PUR); polyvinyl pyrilidone/polyvinyl acetate (PVP/NA); PVP; and mixtures of any of these.  
   
   
       17 . The process of  claim 16  wherein the thermoplastic interlayer is polyvinyl butyral (PVB), polyethylene terephthalate (PET), PUR, or ethylene vinyl acetate (EVA).  
   
   
       18 . The process of  claim 17  wherein the interlayer is PVB.  
   
   
       19 . The process of  claim 18  wherein the image is printed using a drop on demand (DOD) ink jet printing process.  
   
   
       20 . The process of  claim 19  wherein the DOD process is a piezo electric process.  
   
   
       21 . The process of  claim 19  wherein the DOD process is a thermal ink jet printing process.  
   
   
       22 . The process of  claim 18  wherein the image is printed using a continuous drop ink jet printing process.  
   
   
       23 . A decorative laminate having an adhesive strength of at least about 1000 psi comprising at least one sheet of interlayer material bearing an image on at least one surface of the interlayer sheet, wherein the image was printed using an ink jet printing process comprising the step of jetting either an aqueous or solvent-based pigmented ink onto either a smooth or a roughened interlayer surface, the roughened surface having a roughness (R z ) of from about 30 μm to about 60 μm and a Frequency of greater than 0.9, wherein the pigment comprises at least one pigment selected from the group consisting of PY 139; PY 120; PY 155; PY 14; PY 110; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7; and wherein the ink has a viscosity that is sufficiently low that it can be jetted through an ink jet printing head without heating the printing head, and wherein the ink comprises a dispersant and optionally comprises a binder.  
   
   
       24 . The laminate of  claim 23  wherein the interlayer is laminated between two sheets of glass.  
   
   
       25 . The laminate of  claim 24  wherein the laminate has an adhesive strength of at least about 1400 psi.  
   
   
       26 . The laminate of  claim 25  wherein the laminate has an adhesive strength of at least about 1700 psi.  
   
   
       27 . The laminate of  claim 26  wherein the laminate has an adhesive strength at least about 1800 psi.  
   
   
       28 . The laminate of  claim 27  comprising an image printed using at least two inks, wherein each ink, when printed onto the interlayer individually, has an adhesion of at least 1000 psi.  
   
   
       29 . The laminate of  claim 28  wherein each ink, when printed onto the interlayer individually, has an adhesion of at least 1400 psi.  
   
   
       30 . The laminate of  claim 29  wherein each ink, when printed onto the interlayer individually, has a Delta E after 480 KLangley of less than 10.  
   
   
       31 . A thermoplastic interlayer sheet bearing an image on at least one surface of the interlayer sheet, the image being printed on the sheet by a process comprising the step: jetting either an aqueous or solvent-based pigmented ink onto a roughened interlayer surface, the surface having a roughness (R z ) of from about 30 μm to about 60 μm and a Frequency of greater than 0.9 cycles/mm, wherein the pigment comprises at least one pigment selected from the group consisting PY 120; PY 155; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7; and wherein the ink has a viscosity that is sufficiently low that it can be jetted through an ink jet printing head without heating the printing head, and wherein the ink comprises a dispersant and optionally comprises a binder.  
   
   
       32 . The interlayer of  claim 31  wherein the interlayer has a surface roughness Frequency of from about 1.0 cycles/mm to about 2.9 cycles/mm.  
   
   
       33 . The interlayer of  claim 32  wherein the interlayer has a surface roughness Frequency of from about 1.1 cycles/mm to about 2.5 cycles/mm.  
   
   
       34 . The interlayer of  claim 33  wherein the interlayer comprises PVB, PET, or PUR.  
   
   
       35 . The interlayer of  claim 34  wherein the interlayer is PVB.  
   
   
       36 . A thermoplastic interlayer sheet bearing an image on at least one surface of the interlayer sheet, the image being printed on the sheet by a process comprising the step: jetting either an aqueous or solvent-based pigmented ink onto a smooth interlayer surface having a surface roughness (R z ) of less than 30 μm, wherein the pigment comprises at least one pigment selected from the group consisting of PY 139; PY 120; PY 155; PY 14; PY 110; PY 128; PY 180; PY 95; PY 93; PV19/PR 202; PR 122; PB 15:4; PB 15:3; and PBI 7; and wherein the ink has a viscosity that is sufficiently low that it can be jetted through an ink jet printing head without heating the printing head, and wherein the ink comprises a dispersant and optionally comprises a binder.