Patent ID: 7772301
Filing Date: 2010-08-10
Classification: C08L,C09J,E04D,Y10T

Abstract:
1. A bitumen based adhesive having a low volatile content including 19-22 weight percent plasticizer, 16-18 weight percent bitumen, 0.01-0.1 weight percent adhesion promoter, 0.05-0.35 weight percent antioxidant, 0.05-0.3 weight percent dehydration agent, 20-35 weight percent filler, 0.4-1.2 weight percent thixotropic agent and 0.1-0.4 weight percent catalyst and 25-31 weight percent polymer, said polymer including a polymer compound selected from the group consisting of silylated polymer, silyl-terminated polymer, and combinations thereof, said polymer having a greater weight percent than said bitumen, said plasticizer having a greater weight percent than said bitumen, a weight percent ratio of said polymer to said bitumen is at least about 1.05:1, a weight percent ratio of said plasticizer to said bitumen is at least about 1.01:1, said bitumen having an average softening point of 90-190° F.