Carpet with hydrophobic surface finish

Abstract

The present invention relates to a treated carpet comprising a partial or complete coating on a carpet surface, wherein the coating comprises 5 to 100% by weight of a hydrophobic compound, based on the total weight of the coating, selected from a cyclic or acyclic alcohol which is substituted with at least two hydrophobic groups.

What is claimed is: 
     
         1 . A treated carpet comprising a partial or complete coating on a carpet surface,
 wherein the carpet is made of natural fiber, nylon, acrylic, aromatic polyamide, polyester, polyacrylonitrile, or polyacrylonitrile copolymer,   wherein the coating comprises 5 to 100% 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 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;   where the cyclic or acyclic alcohol is selected from a pentaerythritol, a 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; and   each R 2  is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond.   
     
     
         2 . The treated carpet 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 two R groups are 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 two of R or R 4  are 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 two of R 19  or R are —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 treated carpet 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 treated carpet 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 treated carpet of  claim 2 , where the hydrophobic compound is selected from Formula (Ib). 
     
     
         6 . The treated carpet of  claim 1 , where the coating further comprises a hydrophobic surface effect agent. 
     
     
         7 . The treated carpet of  claim 6 , wherein the surface effect is shrinkage control, moisture control, softness, 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, or acid resistance. 
     
     
         8 . The treated carpet of  claim 6  wherein the hydrophobic surface effect agent is selected from the group consisting of non-fluorinated or fluorinated cationic acrylic polymers, non-fluorinated or fluorinated anionic acrylic polymers, non-fluorinated or fluorinated nonionic acrylic polymers, partially fluorinated urethanes, hydrophobic non-fluorinated urethanes, silicones, and waxes. 
     
     
         9 . The treated carpet of  claim 1 , where the coating comprises 20 to 100% by weight of the hydrophobic compound, based on the total solids weight of the coating. 
     
     
         10 . The treated carpet of  claim 1 , where the coating comprises 50 to 100% of the hydrophobic compound, based on the total solids weight of the coating. 
     
     
         11 . The treated carpet of  claim 10 , where the coating comprises 100% of the hydrophobic compound, based on the total weight of the coating. 
     
     
         12 . A method of imparting a surface effect to a carpet comprising contacting a carpet surface with a coating to form a partially or completely treated carpet,
 wherein the carpet is made of natural fiber, nylon, acrylic, aromatic polyamide, polyester, polyacrylonitrile, or polyacrylonitrile copolymer,   wherein the coating comprises 5 to 100% 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 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;   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; and   each R 2  is independently —H, a linear or branched alkyl group having 6 to 30 carbons optionally comprising at least 1 unsaturated bond.   
     
     
         13 . The method of  claim 12 , 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 two R groups are 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 two of R or R 4  are 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 two of R 19  or R are —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 . 
       
     
     
         14 . The method of  claim 12 , further comprising the step of heating the partially or completely treated carpet. 
     
     
         15 . The method of  claim 12 , further comprising the step of solidifying the coating by drying, cooling, or allowing to cool. 
     
     
         16 . The method of  claim 12 , where the contacting step occurs by spraying, rolling, padding, brushing, sprinkling, dipping, dripping, tumbling, or screen printing.