Coatings incorporating hydrophobic compounds

Abstract

The present invention relates to a coated article comprising a partial or complete coating on the surface of an article, wherein the coating comprises a coating base and 0.1 to 5% by weight of a hydrophobic compound, based on the total solids weight of the coating, selected from a hydrophobic cyclic or acyclic alcohol, and the coating has a film thickness of at least 0.1 mils.

What is claimed is: 
     
         1 . A coated article comprising a partial or complete durable coating on the surface of an article,
 wherein the coating comprises a coating base and 0.1 to 5% by weight of a hydrophobic compound, based on the total solids weight of the coating, selected from a cyclic or acyclic alcohol which is substituted with at least one —R 1 , —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 , or mixtures thereof;   where the cyclic or acyclic alcohol is selected from a pentaerythritol, saccharide, reduced sugar, aminosaccharide, citric acid, aldonic acid, or aldonic acid lactone; wherein   each n is independently 0 to 20;   each m is independently 0 to 20;   m+n is greater than 0;   each R 1  is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond;   each R 2  is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond; and   the coating has a thickness of at least 0.1 mils.   
     
     
         2 . The coated article of  claim 1 , where the hydrophobic compound is selected from Formulas (Ia), (Ib), or (Ic): 
       
         
           
           
               
               
           
         
         wherein each R is independently —H; —R 1 ; —C(O)R 1 ; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; 
         each n is independently 0 to 20; 
         each m is independently 0 to 20; 
         m+n is greater than 0; 
         r is 1 to 3; 
         a is 0 or 1; 
         p is independently 0 to 2; 
         provided that a is 0 when r is 3; 
         each R 1  is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond; 
         each R 2  is independently —H, or a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond; 
         provided when Formula (Ia) is chosen, then at least one R is —H and at least one R is a —R 1 ; —C(O)R 1 ; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; 
         each R 4  is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond, or combinations thereof; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; 
         provided when Formula (Ib) is chosen, then at least one R or R 4  is —H; and at least one R or R 4  is a linear or branched alkyl group optionally comprising at least 1 unsaturated bond, or combinations thereof; —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; 
       
       or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 ; and
 each R 19  is —H, —C(O)R 1 , or —CH 2 C[CH 2 OR] 3 , 
 
       provided when Formula (Ic) is chosen, then at least one R 19  or R is —H; and at least one R 19  or R is —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 . 
     
     
         3 . The coated article of  claim 2 , where the hydrophobic compound is selected from Formula (Ia) to be Formula (Ia′): 
       
         
           
           
               
               
           
         
       
       wherein R is further limited to independently —H; —R 1 ; or —C(O)R 1 . 
     
     
         4 . The coated article of  claim 2 , where the hydrophobic compound is selected from Formula (Ia) to be Formula (Ia′): 
       
         
           
           
               
               
           
         
         wherein R is further limited to independently —H; 
         —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 ; or 
         —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 . 
       
     
     
         5 . The coated article of  claim 2 , where the hydrophobic compound is selected from Formula (Ib). 
     
     
         6 . The coated article of  claim 1 , where the hydrophobic compound is substituted with at least two —R 1 , —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 , or mixtures thereof. 
     
     
         7 . The coated article of  claim 1 , where the coating further comprises a hydrophobic surface effect agent. 
     
     
         8 . The coated article of  claim 7 , wherein the surface effect is moisture control, strength, anti-slip, anti-static, anti-snag, anti-pill, stain repellency, stain release, soil repellency, soil release, water repellency, oil repellency, odor control, antimicrobial, sun protection, anti-blocking, cleanability, dust resistance, leveling, corrosion resistance, acid resistance, anti-fog, or anti-ice. 
     
     
         9 . The coated article of  claim 7  wherein the hydrophobic surface effect agent is selected from the group consisting of hydrophobic non-fluorinated cationic acrylic polymers, hydrophobic non-fluorinated anionic acrylic polymers, hydrophobic non-fluorinated nonionic acrylic polymers, partially fluorinated urethanes, hydrophobic non-fluorinated urethanes, cationic partially fluorinated acrylic polymers or copolymers, nonionic partially fluorinated acrylic polymers or copolymers, partially fluorinated acrylamide polymers or copolymers, fluorinated phosphates, fluorinated ethoxylates, fluorinated or non-fluorinated organosilanes, silicones, waxes, including parafins, and mixtures thereof. 
     
     
         10 . The coated article of  claim 1 , where the coating comprises 0.2 to 5 of the hydrophobic compound, based on the total solids weight of the coating, and further comprises a dried coating base. 
     
     
         11 . The coated article of  claim 1 , where the coating comprises 0.25 to 2% of the hydrophobic compound, based on the total solids weight of the coating. 
     
     
         12 . The coated article of  claim 1  wherein the article is unglazed concrete, brick, tile, granite, limestone, marble, grout, mortar, statuary, monument, wood, composite material, terrazzo, gypsum board, wall or ceiling panel, glass, metal, or a combination thereof. 
     
     
         13 . The coated article of  claim 10 , where the coating base is selected from the group consisting of an acrylic polymer, epoxy polymer, vinyl polymer, and polyurethane polymer in the form of an interior house paint, exterior house paint, stain, or clear coating. 
     
     
         14 . A method of imparting a surface effect to an article comprising contacting a the surface of the article with a durable coating to form a partially or completely coated article,
 wherein the coating comprises a coating base and 0.1 to 5% by weight of a hydrophobic compound, based on the total solids weight of the coating, selected from a cyclic or acyclic alcohol which is substituted with at least one —R 1 , —C(O)R 1 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m R 2 , —(CH 2 CH 2 O) n (CH(CH 3 )CH 2 O) m C(O)R 1 , or mixtures thereof;   where the cyclic or acyclic alcohol is selected from a pentaerythritol, saccharide, reduced sugar, aminosaccharide, citric acid, aldonic acid, or aldonic acid lactone; wherein   each n is independently 0 to 20;   each m is independently 0 to 20;   m+n is greater than 0;   each R 1  is independently a linear or branched alkyl group having 5 to 29 carbons optionally comprising at least 1 unsaturated bond;   
       each R 2  is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond; and
 the coating has a thickness of at least 0.1 mils. 
 
     
     
         15 . The method of  claim 14 , further comprising the step of heating the partially or completely coated article. 
     
     
         16 . The method of  claim 15 , further comprising the step of solidifying the coating by drying, cooling, or allowing to cool.