Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1997-11-25
1999-07-27
Michl, Paul R.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524 61, 524 68, C08L 9500
Patent
active
059291443
ABSTRACT:
Process and composition for styrene-ethylene-butylene-styrene (SEBS) block copolymer modified asphalt mixtures for use in roofing, sealing, paving, and waterproofing membranes. A plasticized SEBS compound is added to oxidized or unoxidized asphalt flux in either low-shear or high-shear processes, and is applied in hot and ambient uses such as cutbacks and emulsions, with or without added fillers, fibers, or other additives.
REFERENCES:
patent: 4032491 (1977-06-01), Schoenke
patent: 4923913 (1990-05-01), Chic et al.
Michael Russo, "Modified Asphalt: A high-end option for BUR", Roofing, Siding and Insulation, May 1989.
Auth. Unk., "Kraton G Polymer Modified Asphalts", Shell Chemical Company, Apr. 1989.
Auth. Unk., "Kraton G. Rubber: Modifier of asphalt for built-up roofing", Shell Chemical Company, 1987.
Auth. Unk., "Kraton G. Rubber: Uniquely versitile as a modifier for asphalt roofing systems", Shell Chemical Company, 1987.
Auth. Unk., "Weighing the Advatages of SEBS Modified Asphalt", Roofing Siding and Insulation, Aug. 1997.
Garrison David L.
Marquardt Matthew J.
Michl Paul R.
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