Rapid thickening of aminosilicones to promote emulsion stability and adhesion of uv-curable quantum dot enhancement film emulsions

Abstract

The present invention provides nanostructure compositions and methods of producing nanostructure compositions. The nanostructure compositions comprise a population of nanostructures, an aminosilicone polymer, an organic resin, and a cation. The present invention also provides nanostructure films comprising a nanostructure layer and methods of making nanostructure films.

1 . A nanostructure composition, comprising:
 (a) at least one population of nanostructures;   (b) at least one aminosilicone polymer; and   (c) at least one organic resin;   wherein between about 1% and 100% of the amine groups on the aminosilicone polymer are complexed to a cation.   
     
     
         2 . The nanostructure composition of  claim 1 , comprising between one and five populations of nanostructures. 
     
     
         3 . (canceled) 
     
     
         4 . The nanostructure composition of  claim 1 , wherein the at least one population of nanostructures contains a core selected from the group consisting of InP, InZnP, InGaP, CdSe, CdS, CdSSe, CdZnSe, CdZnS, ZnSe, ZnSSe, InAs, InGaAs, and InAsP. 
     
     
         5 . (canceled) 
     
     
         6 . The nanostructure composition of  claim 1 , comprising between one and five aminosilicone polymers. 
     
     
         7 .- 8 . (canceled) 
     
     
         9 . The nanostructure composition of  claim 1 , wherein the cation is a proton of an acid. 
     
     
         10 . The nanostructure composition of  claim 9 , wherein the acid is selected from the group consisting of oleic acid, diisooctylphosphinic acid, oxalic acid, octanoic acid, propionic acid, and decanoic acid. 
     
     
         11 . The nanostructure composition of  claim 1 , wherein the cation is a metal ion of a metal ion salt or complex. 
     
     
         12 . The nanostructure composition of  claim 11 , wherein the metal ion is selected from the group consisting of Li + , Na + , K + , Mg 2+ , and Al 3+ . 
     
     
         13 . The nanostructure composition of  claim 1 , comprising between one and five organic resins. 
     
     
         14 . (canceled) 
     
     
         15 . The nanostructure composition of  claim 1 , wherein the at least one organic resin is a thermosetting resin or a UV curable resin. 
     
     
         16 .- 19 . (canceled) 
     
     
         20 . The nanostructure composition of  claim 1 , wherein between about 1% and about 40% of the amine groups in the aminosilicone polymer are complexed to a cation. 
     
     
         21 . The nanostructure composition of  claim 1 , wherein the nanostructure composition comprises 2 populations of nanostructures, 2 aminosilicone polymers, 1 acid, and 2 organic resins. 
     
     
         22 . The nanostructure composition of  claim 1 , wherein the nanostructures are quantum dots. 
     
     
         23 . The nanostructure composition of  claim 1 , wherein the nanostructure composition comprises a population of nanostructures comprising a InP core and/or a population of nanostructures comprising a CdSe core. 
     
     
         24 .- 26 . (canceled) 
     
     
         27 . A method of preparing a nanostructure composition, the method comprising:
 (1)   (a) providing a composition comprising at least one population of nanostructures and at least one aminosilicone polymer;   (b) admixing at least one organic resin with the composition of (a); and   (c) admixing at least one acid, metal ion salt, or metal ion complex salt with the composition obtained in (b), wherein the weight percentage of the acid, metal ion salt, or metal ion complex salt admixed with the nanostructure composition is between about 0.1% and about 5% of the total weight of the nanostructure composition; or   (2)   (a) providing a composition comprising at least one population of nanostructures, at least one aminosilicone polymer, and at least one organic resin; and   (b) admixing at least one acid, metal ion salt, or metal ion complex salt with the composition of (a), wherein the weight percentage of the at least one acid, metal ion salt, or metal ion complex salt admixed with the nanostructure composition is between about 0.1% and about 5% of the total weight of the nanostructure composition.   
     
     
         28 . (canceled) 
     
     
         29 . The method of  claim 27 , wherein the at least one population of nanostructures contains a core selected from the group consisting of InP, InZnP, InGaP, CdSe, CdS, CdSSe, CdZnSe, CdZnS, ZnSe, ZnSSe, InAs, InGaAs, or InAsP. 
     
     
         30 .- 44 . (canceled) 
     
     
         45 . The method of  claim 27 , wherein the admixing of the at least one acid, metal ion salt, or metal ion complex salt causes an increase in the viscosity of the aminosilicone polymer in the nanostructure composition. 
     
     
         46 . The method of  claim 45 , wherein the increase in viscosity of the aminosilicone polymer in the nanostructure composition is between about 10% and about 5000%. 
     
     
         47 .- 48 . (canceled) 
     
     
         49 . The method of  claim 27 , wherein the acid is selected from the consisting of oleic acid, diisooctylphosphinic acid, oxalic acid, octanoic acid, propionic acid, and decanoic acid. 
     
     
         50 . (canceled) 
     
     
         51 . The method of  claim 27 , wherein the metal ion salt is selected from the group consisting of a Li + , Na + , K + , Mg 2+ , and Al 3+  salt. 
     
     
         52 .- 53 . (canceled) 
     
     
         54 . The method of  claim 27 , wherein the nanostructures are quantum dots. 
     
     
         55 . The method of  claim 54 , wherein the quantum dots are InP and/or CdSe quantum dots. 
     
     
         56 . The method of  claim 27 , wherein the the at least one organic resin is 3-mercaptopropionate and triallyl triazine trione, and wherein the at least one acid is diisooctylphosphonic acid. 
     
     
         57 .- 83 . (canceled) 
     
     
         84 . A nanostructure film layer comprising:
 (a) at least one population of nanostructures;   (b) at least one aminosilicone polymer; and   (c) at least one organic resin;   
       wherein the nanostructure film layer has a mean peel strength of between about 0.35 lbs/in and about 5 lbs/in, and wherein between about 1% and about 100% of the amine groups in the aminosilicone polymer are complexed to a cation. 
     
     
         85 .- 86 . (canceled) 
     
     
         87 . The nanostructure film layer of claim  84 , wherein the at least one population of nanostructures contains a core selected from the group consisting of InP, InZnP, InGaP, CdSe, CdS, CdSSe, CdZnSe, CdZnS, ZnSe, ZnSSe, InAs, InGaAs, or InAsP. 
     
     
         88 .- 91 . (canceled) 
     
     
         92 . The nanostructure film layer of  claim 84 , wherein between about 1% and about 40% of the amine groups in the aminosilicone polymer are complexed to a cation. 
     
     
         93 .- 99 . (canceled) 
     
     
         100 . The nanostructure film layer of  claim 84 , wherein the nanostructure film layer has a mean peel strength of between about 0.5 lbs/in and about 5 lbs/in. 
     
     
         101 . The nanostructure film layer of  claim 84 , wherein the nanostructure film layer has a mean peel strength of between about 0.75 lbs/in and about 5 lbs/in. 
     
     
         102 . The nanostructure film layer of  claim 84 , wherein the nanostructure film layer comprises 2 populations of nanostructures, 2 aminosilicone polymers, 1 acid, and 2 organic resins. 
     
     
         103 . The nanostructure film layer of  claim 84 , wherein the nanostructures are quantum dots. 
     
     
         104 . The nanostructure film layer of  claim 103 , wherein the quantum dots are InP and/or CdSe quantum dots.