Asphalt blends with chloroprene polymers or copolymers thereof w

Details Asphalt blends with chloroprene polymers or copolymers thereof w Asphalt blends with chloroprene polymers or copolymers thereof w

1989-06-30

1992-02-11

Seccuro, Carman J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524 60, C08L 9500

Patent

active

050876520

ABSTRACT:
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.

REFERENCES:
patent: 3026280 (1962-03-01), Apotheker
patent: 3933710 (1976-01-01), Fukushi et al.
patent: 3963659 (1976-06-01), Binder et al.
patent: 4036799 (1977-07-01), Wertermann
patent: 4100123 (1978-07-01), Wertermann
patent: 4340518 (1982-07-01), Nolte et al.
"Chloroprene Polymers", Encyclopedia of Polymer Science and Engineering, vol. 3, Second Edition, 1985, p. 445.

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