Composition for affixing a colorant to a surface, protecting a surface, and providing wear resistance to a surface

Abstract

A composition includes a first solvent, a second solvent, a first surfactant for maintaining a dispersion of at least one of the first solvent and the second solvent, a first film forming polyurethane dispersion, a second film forming polyurethane dispersion, and a second surfactant for maintaining at least one of the first film forming polyurethane dispersion and the second film forming polyurethane dispersion.

We claim: 
     
         1 . A composition comprising:
 a first solvent;   a second solvent;   a first surfactant for maintaining a dispersion of at least one of the first solvent and the second solvent;   a first film forming polyurethane dispersion;   a second film forming polyurethane dispersion; and   a second surfactant for maintaining at least one of the first film forming polyurethane dispersion and the second film forming polyurethane dispersion.   
     
     
         2 . The composition according to  claim 1 , wherein the composition includes:
 about 4 wt. % of the first solvent; and   about 4 wt. % of the second solvent.   
     
     
         3 . The composition according to  claim 1 , wherein the composition includes:
 about 0.02 wt. % of the first surfactant; and   about 0.5 wt. % of the second surfactant.   
     
     
         4 . The composition according to  claim 1 , wherein the composition includes:
 about 8 wt. % of the first film forming polyurethane dispersion; and   about 4 wt. % of the second film forming polyurethane dispersion.   
     
     
         5 . The composition according to  claim 1 , wherein the composition includes:
 about 4 wt. % of the first solvent;   about 4 wt. % of the second solvent.   
     
     
         6 . The composition according to  claim 1 , wherein the composition includes:
 about 0.02 wt. % of the first surfactant; and   about 0.5 wt. % of the second surfactant.   
     
     
         7 . The composition according to  claim 1 , wherein the composition includes:
 about 5 wt. % of the first film forming polyurethane dispersion; and   about 5 wt. % of the second film forming polyurethane dispersion.   
     
     
         8 . The composition according to  claim 1 , wherein the first solvent is 2,2,4-trimethyl pentane 1,3-diol monoisobutyrate. 
     
     
         9 . The composition according to  claim 1 , wherein the second solvent is dipropylene glycol n-butyl ether. 
     
     
         10 . The composition according to  claim 1 , wherein the first surfactant is a polyacrylic acid/methacrylic block copolymer. 
     
     
         11 . The composition according to  claim 1 , wherein the first film forming polyurethane dispersion is an aliphatic polycaronateester-polyether polyurethane dispersion. 
     
     
         12 . The composition according to  claim 1 , wherein the second film forming polyurethane dispersion is an aliphatic, anionic polyurethane dispersion. 
     
     
         13 . The composition according to  claim 1 , wherein the second surfactant is sodium lauryl sulfate. 
     
     
         14 . The composition according to  claim 1 , further comprising:
 an antibacterial; and   an antifungal.   
     
     
         15 . The composition according to  claim 14 , wherein the antibacterial is oxazolidine, and the antifungal is 3-iodo-2-propynl butyl carbamate. 
     
     
         16 . The composition according to  claim 1 , further comprising:
 at least one pH buffer; and   a free radical scavenger.   
     
     
         17 . The composition according to  claim 16 , wherein the at least one pH buffer is potassium phosphate dibasic and potassium phosphate monobasic, and the free radical scavenger is bis(1-octyloxy-2,2,6-tetramethyl-4-piperidyl)sebacate. 
     
     
         18 . The composition according to  claim 1 , further comprising a UV light absorber. 
     
     
         19 . The composition according to  claim 18 , wherein the UV light absorber is an aqueous dispersion of a 2-hydroxyl-phenyl-s-triazine. 
     
     
         20 . The composition according to  claim 1 , wherein the composition includes:
 about 4 wt. % of the 2,2,4-trimethyl pentane 1,3-diol monoisobutyrate;   about 4 wt. % of the dipropylene glycol n-butyl ether;   about 0.02 wt. % of the polyacrylic acid/methacrylic block copolymer;   about 8 wt. % of the aliphatic polycarbonateester-polyether polyurethane dispersion;   about 4 wt. % of the aliphatic, anionic polyurethane dispersion;   about 0.5 wt % of the sodium lauryl sulfate;   about 0.15 wt, % of the oxazolidine;   about 0.05 wt. % of the 3-iodo-2-propynl butyl carbamate;   about 0.24 wt. % of the potassium phosphate dibasic;   about 0.24 wt. % of the monopotassium phosphate;   about 0.06 wt. % of the bis(1-octyloxy-2,2,6-tetramethyl-4-piperidyl)sebacate;   about 0.06 wt. % of the aqueous dispersion of a 2-hydroxyl-phenyl-s-triazine;   about 0.547 wt. % nitrogen; and   about 78.133 wt. % water.