BONDING ADHESIVE AND ADHERED ROOFING SYSTEMS PREPARED USING THE SAME
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.
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.