Film forming formulation for textured surfaces

Abstract

A film forming formulation and applicator device for use with the film forming formulation for obtaining sharp paint lines on textured surfaces is described. The formulation comprises a binder as a film forming component. The binder is selected from the group consisting of acrylic, styrene-butadiene rubber (SBR), polyvinyl acetate (PVAc), and ethylene-vinyl acetate (EVA). The binder comprises at least 90 percent by weight of the formulation.

What is claimed is: 
     
         1 . A method of using a film forming formulation to obtain sharp paint lines on a textured surface, the method comprising:
 applying the film forming formulation at an intersection of a tape and the textured surface, wherein the film forming formulation comprises:   a binder selected from the group consisting of acrylic, styrene-butadiene rubber (SBR), polyvinyl acetate (PVAc), vinyl acrylic, ethylene-vinyl acetate (EVA), and a combination thereof, and   wherein the binder is present in an amount of at least 90 percent by weight of the film forming formulation.   
     
     
         2 . The method according to  claim 1 , wherein the film forming formulation is clear when dry. 
     
     
         3 . The method according to  claim 1 , wherein the binder is in a form of an emulsion or a dispersion. 
     
     
         4 . The method according to  claim 3 , wherein the emulsion is a styrene acrylic emulsion. 
     
     
         5 . The method according to  claim 4 , wherein the styrene acrylic emulsion is hydrophobic. 
     
     
         6 . The method according to  claim 4 , wherein the styrene acrylic emulsion is present in an amount of at least 92% by weight of the formulation. 
     
     
         7 . The method according to  claim 4 , wherein the styrene acrylic emulsion comprises 50% to 52% solids, residual monomers in a concentration range of less than 500 ppm, and aqua ammonia in a concentration range of 0% to 0.2%. 
     
     
         8 . The method according to  claim 1 , wherein the film forming formulation further comprises a component selected from the group consisting of a matting agent, a defoamer, a thickener, a dilutant, an anti-settling agent, a biocide, a coalescent agent, and a combination thereof. 
     
     
         9 . The method according to  claim 8 , wherein the biocide is present in a range of 0.04% to 0.25% by weight of the formulation. 
     
     
         10 . The method according to  claim 9 , wherein the biocide is present in a range of 0.07% to 0.10% by weight of the formulation. 
     
     
         11 . The method according to  claim 8 , wherein the defoamer is present in a range of 0.01% to 1% by weight of the formulation. 
     
     
         12 . The method according to  claim 8 , wherein the thickener is selected from the group consisting of an alkali soluble acrylic thickener, a non-ionic liquid associative thickener, and a combination thereof. 
     
     
         13 . The method according to  claim 12 , wherein the alkali soluble, acrylic thickener has a pH in a range of about 2.8 to 3.0. 
     
     
         14 . The method according to  claim 1 , wherein the film forming formulation further comprises an additive selected from the group consisting of a UV stabilizer, dispersant, plasticizer, other stabilizer, and a combination thereof. 
     
     
         15 . The method according to  claim 1 , wherein the film forming formulation has a viscosity in a range of about 100 cps to 1200 cps when measured at a temperature of 73.4±3.6° F. using a Brookfield RVT viscometer with spindle #2 at 50 rpm. 
     
     
         16 . The method according to  claim 1 , wherein the film forming formulation has a viscosity in a range of about 1500 to 2500 cps when measured at a temperature of 73.4±3.6° F. using a Brookfield RVT viscometer with spindle #4 at 50 rpm. 
     
     
         17 . The method according to  claim 12 , wherein the alkali soluble acrylic thickener is present in an amount in a range of about 0.05% to 2% by weight of the film forming formulation. 
     
     
         18 . The method according to  claim 17 , wherein the alkali soluble acrylic thickener is diluted with a dilutant. 
     
     
         19 . The method according to  claim 12 , wherein the non-ionic liquid associative thickener is present in an amount in a range of about 0.05% and 0.09% by weight of the film forming formulation. 
     
     
         20 . A method of using a film forming formulation to obtain sharp paint lines on a textured surface, the method comprising:
 applying the film forming formulation at an intersection of a tape and the textured surface, wherein the film forming formulation comprises:   a binder selected from the group consisting of acrylic, styrene-butadiene rubber (SBR), polyvinyl acetate (PVAc), ethylene-vinyl acetate (EVA), and a combination thereof, and   a color shift indicator or an acid-base (pH) indicator.   
     
     
         21 . The method according to  claim 20 , wherein the color shift indicator or the acid-base (pH) indicator is thymolphthalein stock solution or phenolphathalein. 
     
     
         22 . The method according to  claim 21 , wherein the thymolphthalein stock solution has a color transition range in a pH range of about 9.3 to 10.5. 
     
     
         23 . The method according to  claim 21 , wherein the phenolphthalein has a color transition range in a pH range of about 8.2 to 10. 
     
     
         24 . The method according to  claim 21 , wherein the phenolphthalein is pink at a pH above 10. 
     
     
         25 . The method according to  claim 21 , wherein the phenolphthalein is clear at a pH of 8.2 or below. 
     
     
         26 . A method of using a film forming formulation to obtain sharp paint lines on a textured surface, the method comprising:
 applying the film forming formulation at an intersection of a tape and the textured surface, wherein the film forming formulation comprises:   a binder in a form of a polymer emulsion or a polymer dispersion, wherein the polymer emulsion or the polymer dispersion has a glass transition temperature (Tg) of at least 4 degrees Celsius, and   wherein the binder is present in an amount of at least 90 percent by weight of the film forming formulation.   
     
     
         27 . The method according to  claim 26 , wherein the binder is selected from the group consisting of acrylic, styrene-butadiene rubber (SBR), polyvinyl acetate (PVAc), ethylene-vinyl acetate (EVA), and a combination thereof. 
     
     
         28 . The method according to  claim 28 , wherein the polymer emulsion is a styrene acrylic emulsion. 
     
     
         29 . The method according to  claim 28 , wherein the polymer emulsion is an acrylic polymer emulsion. 
     
     
         30 . The method according to  claim 26 , wherein the film forming formulation further comprises a color shift indicator, an acid-base (pH) indicator, or any other indicator of wetness or dryness. 
     
     
         31 . The method according to  claim 26 , wherein the film forming formulation further comprises a component selected from the group consisting of a matting agent, a defoamer, a thickener, a dilutant, an anti-settling agent, a biocide, a coalescent agent, and a combination thereof.