C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1612
C08L 95/00 (2006.01)
Patent
CA 2020179
Blends of asphalt and 0.1 to 5 weight percent of a chloroprene polymer are disclosed. The chloroprene polymers can contain up to 12 weight percent 2,3-dichlorobutadiene-1,3 a vinyl monomer or mixtures thereof. The chloroprene polymers are mercaptan-modified or dialkyl- or dialkoxy xanthogen disulfide-modified chloroprene polymers having a gel content of 10 to 50 weight percent and preferably from 20 to 40 weight percent.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
LandOfFree
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