Shingle roofing coating method and composition
AssigneeAsphalt Sciences LLC
InventorsJoseph Randall Bruns, Hashem Hashemi, Moises Cisneros Rached
Life of this patent
Estimating the term…
Abstract
An asphalt composition for use as a shingle roof coating is described. The asphalt composition includes a first asphalt feedstock and a first concentrate. The first concentrate includes an elastomeric polymer and an asphalt flux. The asphalt composition includes 0.5% to 6% by weight of the elastomeric polymer. The elastomeric polymer includes a styrenic block copolymer. The first concentrate includes 3% by weight to 25% by weight of the styrenic block copolymer. The first concentrate includes 3% by weight to 15% by weight of one of an ethylene polymer and an ethylene propylene copolymer. The first concentrate has a penetration of at least 100 dmm.
Claims9
An asphalt composition comprising:
- a first asphalt feedstock;
- a first concentrate including an elastomeric polymer and an asphalt flux;
- wherein the asphalt composition includes 0.5% to 6% by weight of the elastomeric polymer;
- wherein the elastomeric polymer includes a styrenic block copolymer;
- wherein the first concentrate includes 3% by weight to 25% by weight of the styrenic block copolymer;
- wherein the first concentrate includes 3% by weight to 15% by weight of one of an ethylene polymer and an ethylene propylene copolymer;
- and
- wherein the first concentrate has a penetration of at least 100 dmm.
Dependencies are inferred from the claim text.