Single component polyurethane-modified bitumen compositions

Details Single component polyurethane-modified bitumen compositions Single component polyurethane-modified bitumen compositions

1987-12-17

1989-01-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 98, 521101, 521137, 524 59, 524 62, C08J 900

Patent

active

047957603

ABSTRACT:
A liquid, solvent-free or low-solvent hardenable polyurethane-modified bitumen composition is described, which is based on a bitumen modified with a polyurethane prepolymer. The compatibility between bitumen and polyurethane prepolymer is achieved by a plasticizer system comprising a primary and a secondary plasticizer. The inventive composition is particularly suitable as an adhesive, sealant, foam material or coating compound.

REFERENCES:
patent: 3179610 (1965-04-01), Wood
patent: 3257336 (1966-06-01), Levy et al.
patent: 4225678 (1980-09-01), Roy
patent: 4255527 (1981-03-01), Roy
patent: 4511679 (1985-04-01), Ariyoshi
patent: 4609695 (1986-09-01), Cogliano
patent: 4737524 (1988-04-01), Ako
"Teer und Peck", G. Collin/M. Zander, Rugezrswerke AG in Ullmanns Enzyklopadie der Technischen Chemie, Fourth Edition, Weinhim, 1982, vol. 22, pp. 411-455.
Encyclopedia of Polymer Scienced and Technology, New York-London-Sydney, 1965, vol. 2, p. 423.
"Bitumen" by K. H. Gusfeldt, Deutsche Shell AG in Ullmanns Enzyklopadie der Technischen Chemie, Fourth Edition, Weinheim 1974, vol. 8, pp. 527-547.

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