Hydrophobic, anti-microbial insulation products and a hydrophobic, anti-microbial coating composition for preparing the same

Abstract

A coating composition is provided for obtaining a hydrophobic, antimicrobial product, particularly fiberglass products, wherein the coating composition contains a compound having at least one hydrophobic group and at least one group capable of interacting with a group on the surface of the product substrate, particularly with Si or OH groups on the glass fibers of the fiberglass product, and the coated products obtained thereby.

1 . A coated fiberglass product, comprising: 
 glass fibers having thereon a coating obtained by application of a coating composition comprising a compound having at least one hydrophobic group and at least one group capable of interacting with Si or OH groups present on the glass fibers.    
     
     
         2 . The coated fiberglass product of  claim 1 , wherein said at least one hydrophobic group is a long chain organic group having from 14-22 carbon atoms.  
     
     
         3 . The coated fiberglass product of  claim 2 , wherein said at least one hydrophobic group is an alkyl group having from 16-20 carbon atoms.  
     
     
         4 . The coated fiberglass product of  claim 3 , wherein said at least one hydrophobic group is a C-18 alkyl group.  
     
     
         5 . The coated fiberglass product of  claim 1 , wherein said at least one group capable of interacting with Si or OH groups of the glass fibers is a member selected from the group consisting of halides, amino groups, hydroxy, and C1-4 alkoxy groups.  
     
     
         6 . The coated fiberglass product of  claim 5 , wherein said at least one group capable of interacting with Si or OH groups of the glass fibers is a halide group.  
     
     
         7 . The coated fiberglass product of  claim 1 , wherein said compound is a member selected from the group consisting of monoalkyl silyl trihalides, dialkyl silyl dihalides and trialkyl silyl monohalides.  
     
     
         8 . The coated fiberglass product of  claim 1 , wherein said compound is a member selected from the group consisting of octadecyl silyl trichloride, dimethyl silyl dichloride and octadecanoic acid.  
     
     
         9 . The coated fiberglass product of  claim 1 , wherein said glass fibers are in a form selected from the group consisting of fiberglass batts, fiberglass boards and fiberglass duct liners.  
     
     
         10 . The coated fiberglass product of  claim 1 , wherein said coating is present in an amount of from 1 to 20 mg/m 2 .  
     
     
         11 . The coated fiberglass product of  claim 10 , wherein said coating is present in an amount of from 2 to 10 mg/m 2 .  
     
     
         12 . The coated fiberglass product of  claim 11 , wherein said coating is present in an amount of about 5 mg/m 2 .  
     
     
         13 . A method for preparation of an antimicrobial product, comprising: 
 applying to a surface of a substrate a coating composition comprising a compound having at least one hydrophobic group and at least one group capable of interacting with a group on said surface of said substrate.    
     
     
         14 . The method of  claim 13 , wherein said substrate comprises a member selected from the group consisting of metal, glass and plastic.  
     
     
         15 . The method of  claim 14 , wherein said substrate comprises glass.  
     
     
         16 . The method of  claim 15 , wherein said glass is a member selected from the group consisting of fiberglass batts, fiberglass duct liners and fiberglass boards.  
     
     
         17 . The method of  claim 15 , wherein said coating composition comprises a compound having at least one hydrophobic group and at least one group capable of interacting with Si or OH groups present on the glass.  
     
     
         18 . The method of  claim 13 , wherein said coating composition further comprises a suitable carrier.  
     
     
         19 . The method of  claim 13 , wherein said at least one hydrophobic group is a long chain saturated or unsaturated organic group having from 14-22 carbon atoms.  
     
     
         20 . The method of  claim 19 , wherein said at least one hydrophobic group is an alkyl group having from 16-20 carbon atoms.  
     
     
         21 . The method of  claim 20 , wherein said at least one hydrophobic group is a C-18 alkyl group.  
     
     
         22 . The method of  claim 17 , wherein said at least one group capable of interacting with Si or OH groups present on the glass is a member selected from the group consisting of halides, amino groups, hydroxy, and C1-4 alkoxy groups.  
     
     
         23 . The method of  claim 22 , wherein said at least one group capable of interacting with Si or OH groups present on the glass is a halide group.  
     
     
         24 . The method of  claim 13 , wherein said compound is a member selected from the group consisting of monoalkyl silyl trihalides, dialkyl silyl dihalides and trialkyl silyl monohalides.  
     
     
         25 . The method of  claim 13 , wherein said compound is a member selected from the group consisting of octadecyl silyl trichloride, dimethyl silyl dichloride and octadecanoic acid.  
     
     
         26 . The method of  claim 13 , wherein said coating is applied in an amount of from 1 to 20 mg/m 2 .  
     
     
         27 . The method of  claim 23 , wherein said coating is applied in an amount of from 2 to 10 mg/M 2 .  
     
     
         28 . The method of  claim 24 , wherein said coating is applied in an amount of about 5 mg/m 2 .  
     
     
         29 . A method for improving air quality, comprising: 
 coating a fiberglass duct liner with a coating composition comprising a compound having at least one hydrophobic group and at least one group capable of interacting with Si or OH groups present on the glass fibers.    
     
     
         30 . The method of  claim 29 , wherein said coating composition further comprises a suitable carrier.  
     
     
         31 . The method of  claim 29 , wherein said at least one hydrophobic group is a long chain saturated or unsaturated organic group having from 14-22 carbon atoms.  
     
     
         32 . The method of  claim 31 , wherein said at least one hydrophobic group is an alkyl group having from 16-20 carbon atoms.  
     
     
         33 . The method of  claim 32 , wherein said at least one hydrophobic group is a C-18 alkyl group.  
     
     
         34 . The method of  claim 29 , wherein said at least one group capable of interacting with Si or OH groups present on the glass fibers is a member selected from the group consisting of halides, amino groups, hydroxy, and C1-4 alkoxy groups.  
     
     
         35 . The method of  claim 34 , wherein said at least one group capable of interacting with Si or OH groups present on the glass fibers is a halide group.  
     
     
         36 . The method of  claim 29 , wherein said compound is a member selected from the group consisting of monoalkyl silyl trihalides, dialkyl silyl dihalides and trialkyl silyl monohalides.  
     
     
         37 . The method of  claim 29 , wherein said compound is a member selected from the group consisting of octadecyl silyl trichloride, dimethyl silyl dichloride and octadecanoic acid.  
     
     
         38 . The method of  claim 29 , wherein said coating composition is applied in an amount of from 1 to 20 mg/m 2 .  
     
     
         39 . The method of  claim 38 , wherein said coating composition is applied in an amount of from 2 to 10 mg/m 2 .  
     
     
         40 . The method of  claim 39 , wherein said coating composition is applied in an amount of about 5 mg/m 2 .  
     
     
         41 . The method of  claim 29 , wherein said coating step is performed prior to installation of said fiberglass duct liner in a HVAC system.  
     
     
         42 . The method of  claim 29 , wherein said coating step is performed on a fiberglass duct liner previously installed in a HVAC system.