Single component polyurethane-modified bitumen compositions

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

1988-09-12

1989-10-03

Foelak, Morton

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 62, 525456, C08K 501

Patent

active

048717924

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 compatability 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: 4724252 (1988-02-01), Rosshofer
patent: 4795760 (1989-01-01), Lucke

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