Bonding adhesive and adhered roofing systems prepared using the same

Abstract

A bond adhesive composition comprising a polymer having a silicon-containing hydrolyzable terminal group and a hydrocarbon resin, where the composition is substantially devoid of phenolic resin.

What is claimed is: 
     
         1 . A bond adhesive composition comprising:
 i. a polymer having a silicon-containing hydrolyzable terminal group; and   ii. a hydrocarbon resin, where the composition is substantially devoid of phenolic resin,
 wherein the composition further includes a plasticizer. 
   
     
     
         2 . The composition of  claim 1 , where the composition further includes an adhesion promoter. 
     
     
         3 . The composition of  claim 1 , where the composition further includes a catalyst. 
     
     
         4 . The composition of  claim 1 , where the composition further includes a moisture scavenger. 
     
     
         5 . The composition of  claim 1 , where the composition further includes a thixotropic compound. 
     
     
         6 . The composition of  claim 1 , where the polymer having a silicon-containing hydrolyzable terminal group is a silane-terminated polymer. 
     
     
         7 . (canceled) 
     
     
         8 . The composition of  claim 1 , where the adhesive composition has a dynamic viscosity of less than 20,000 cPs by using a Brookfield viscometer equipped with a #6 spindle operating at room temperature and 10 rpm. 
     
     
         9 . The composition of  claim 1 , where the adhesive composition has a dynamic viscosity of less than 15,000 cPs by using a Brookfield viscometer equipped with a #6 spindle operating at room temperature and 10 rpm. 
     
     
         10 . A method for forming an adhered membrane roof system, the method comprising:
 i. applying a bond adhesive to a substrate on a roof to form an adhesive layer, where the bond adhesive includes a polymer having a silicon-containing hydrolyzable terminal group and a hydrocarbon resin devoid of phenolic resin; and   ii. applying a membrane directly to the adhesive layer.   
     
     
         11 . The method of  claim 10 , where the adhesive forms a substantially continuous layer between the substrate and the membrane over at least 40% of the entire roof surface. 
     
     
         12 . The method of  claim 10 , where the method is devoid of any step of applying the adhesive directly to the rubber membrane. 
     
     
         13 . The method of  claim 10 , where said step of applying the adhesive includes dip and roll techniques. 
     
     
         14 . The method of  claim 10 , where said step of applying the adhesive includes spraying the adhesive on the substrate. 
     
     
         15 . The method of  claim 10 , where the substrate includes an insulation board. 
     
     
         16 . The method of  claim 10 , where the substrate includes a coverboard. 
     
     
         17 . The method of  claim 10 , where the substrate includes an existing membrane. 
     
     
         18 . The method of  claim 10 , where the existing membrane is a roofing membrane. 
     
     
         19 . The method of  claim 10 , where the existing membrane includes an asphalt-based roofing membrane. 
     
     
         20 . The method of  claim 10 , where said step of applying a membrane includes applying an EPDM membrane. 
     
     
         21 . The method of  claim 10 , where the membrane is a rubber-based membrane. 
     
     
         22 . The method of  claim 10 , where the membrane is a thermoplastic-based membrane. 
     
     
         23 . The method of  claim 10 , where the bond adhesive further includes an adhesion promoter. 
     
     
         24 . The method of  claim 10 , where the bond adhesive further includes a catalyst. 
     
     
         25 . The method of  claim 10 , where the bond adhesive further includes a moisture scavenger. 
     
     
         26 . The method of  claim 10 , where the bond adhesive further includes a thixotropic compound. 
     
     
         27 . The method of  claim 10 , where the polymer having a silicon-containing hydrolyzable terminal group is a silane-terminated polymer.