C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1611, 189/5,
C08L 95/00 (2006.01) B32B 1/08 (2006.01) C08L 53/02 (2006.01)
Patent
CA 1096091
ASPHALT AND RUBBER COMPRISING COMPOSITION Abstract of the Disclosure A pipe coating composition is provided having good crack resistance properties that consists essentially of about 50 to 70 wt. % min- eral aggregate, about 15 to 35 wt. % finely divided mineral filler, about 5 to 20 wt. % asphalt, about 0.05 to 7 wt. % of a rubbery radical teleblock copolymer, about 0 to 7 wt. % of an oil, and about 0 to 0.5 wt. % of a fibrous material. Furthermore, the crack resistance of a pipe coating com- position is dramatically improved by using an asphalt rubber composition essentially the same structure,
307058
Gray Lew T.
Marrs Oren L.
Reusser Robert E.
Osler Hoskin & Harcourt Llp
Phillips Petroleum Company
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